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1 | /* |
1 | /* |
2 | * Copyright © 2006-2007 Intel Corporation |
2 | * Copyright © 2006-2007 Intel Corporation |
3 | * |
3 | * |
4 | * Permission is hereby granted, free of charge, to any person obtaining a |
4 | * Permission is hereby granted, free of charge, to any person obtaining a |
5 | * copy of this software and associated documentation files (the "Software"), |
5 | * copy of this software and associated documentation files (the "Software"), |
6 | * to deal in the Software without restriction, including without limitation |
6 | * to deal in the Software without restriction, including without limitation |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
8 | * and/or sell copies of the Software, and to permit persons to whom the |
8 | * and/or sell copies of the Software, and to permit persons to whom the |
9 | * Software is furnished to do so, subject to the following conditions: |
9 | * Software is furnished to do so, subject to the following conditions: |
10 | * |
10 | * |
11 | * The above copyright notice and this permission notice (including the next |
11 | * The above copyright notice and this permission notice (including the next |
12 | * paragraph) shall be included in all copies or substantial portions of the |
12 | * paragraph) shall be included in all copies or substantial portions of the |
13 | * Software. |
13 | * Software. |
14 | * |
14 | * |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
21 | * DEALINGS IN THE SOFTWARE. |
21 | * DEALINGS IN THE SOFTWARE. |
22 | * |
22 | * |
23 | * Authors: |
23 | * Authors: |
24 | * Eric Anholt |
24 | * Eric Anholt |
25 | */ |
25 | */ |
26 | 26 | ||
27 | #include |
27 | #include |
28 | #include |
28 | #include |
29 | //#include |
29 | //#include |
30 | #include |
30 | #include |
31 | #include |
31 | #include |
32 | #include |
32 | #include |
33 | #include |
33 | #include |
34 | #include |
34 | #include |
35 | #include |
35 | #include |
36 | #include "intel_drv.h" |
36 | #include "intel_drv.h" |
37 | #include |
37 | #include |
38 | #include "i915_drv.h" |
38 | #include "i915_drv.h" |
39 | #include "i915_trace.h" |
39 | #include "i915_trace.h" |
40 | #include |
40 | #include |
41 | #include |
41 | #include |
42 | #include |
42 | #include |
43 | #include |
43 | #include |
44 | #include |
44 | #include |
45 | - | ||
46 | static inline void ndelay(unsigned long x) |
- | |
47 | { |
- | |
48 | udelay(DIV_ROUND_UP(x, 1000)); |
- | |
49 | } |
- | |
50 | 45 | ||
51 | /* Primary plane formats supported by all gen */ |
46 | /* Primary plane formats supported by all gen */ |
52 | #define COMMON_PRIMARY_FORMATS \ |
47 | #define COMMON_PRIMARY_FORMATS \ |
53 | DRM_FORMAT_C8, \ |
48 | DRM_FORMAT_C8, \ |
54 | DRM_FORMAT_RGB565, \ |
49 | DRM_FORMAT_RGB565, \ |
55 | DRM_FORMAT_XRGB8888, \ |
50 | DRM_FORMAT_XRGB8888, \ |
56 | DRM_FORMAT_ARGB8888 |
51 | DRM_FORMAT_ARGB8888 |
57 | 52 | ||
58 | /* Primary plane formats for gen <= 3 */ |
53 | /* Primary plane formats for gen <= 3 */ |
59 | static const uint32_t intel_primary_formats_gen2[] = { |
54 | static const uint32_t intel_primary_formats_gen2[] = { |
60 | COMMON_PRIMARY_FORMATS, |
55 | COMMON_PRIMARY_FORMATS, |
61 | DRM_FORMAT_XRGB1555, |
56 | DRM_FORMAT_XRGB1555, |
62 | DRM_FORMAT_ARGB1555, |
57 | DRM_FORMAT_ARGB1555, |
63 | }; |
58 | }; |
64 | 59 | ||
65 | /* Primary plane formats for gen >= 4 */ |
60 | /* Primary plane formats for gen >= 4 */ |
66 | static const uint32_t intel_primary_formats_gen4[] = { |
61 | static const uint32_t intel_primary_formats_gen4[] = { |
67 | COMMON_PRIMARY_FORMATS, \ |
62 | COMMON_PRIMARY_FORMATS, \ |
68 | DRM_FORMAT_XBGR8888, |
63 | DRM_FORMAT_XBGR8888, |
69 | DRM_FORMAT_ABGR8888, |
64 | DRM_FORMAT_ABGR8888, |
70 | DRM_FORMAT_XRGB2101010, |
65 | DRM_FORMAT_XRGB2101010, |
71 | DRM_FORMAT_ARGB2101010, |
66 | DRM_FORMAT_ARGB2101010, |
72 | DRM_FORMAT_XBGR2101010, |
67 | DRM_FORMAT_XBGR2101010, |
73 | DRM_FORMAT_ABGR2101010, |
68 | DRM_FORMAT_ABGR2101010, |
74 | }; |
69 | }; |
75 | 70 | ||
76 | /* Cursor formats */ |
71 | /* Cursor formats */ |
77 | static const uint32_t intel_cursor_formats[] = { |
72 | static const uint32_t intel_cursor_formats[] = { |
78 | DRM_FORMAT_ARGB8888, |
73 | DRM_FORMAT_ARGB8888, |
79 | }; |
74 | }; |
80 | - | ||
81 | #define DIV_ROUND_CLOSEST_ULL(ll, d) \ |
- | |
82 | ({ unsigned long long _tmp = (ll)+(d)/2; do_div(_tmp, d); _tmp; }) |
- | |
83 | - | ||
84 | #define MAX_ERRNO 4095 |
- | |
85 | phys_addr_t get_bus_addr(void); |
- | |
86 | - | ||
87 | static inline void outb(u8 v, u16 port) |
- | |
88 | { |
- | |
89 | asm volatile("outb %0,%1" : : "a" (v), "dN" (port)); |
- | |
90 | } |
- | |
91 | static inline u8 inb(u16 port) |
- | |
92 | { |
- | |
93 | u8 v; |
- | |
94 | asm volatile("inb %1,%0" : "=a" (v) : "dN" (port)); |
- | |
95 | return v; |
- | |
96 | } |
- | |
97 | - | ||
98 | static void intel_increase_pllclock(struct drm_device *dev, |
- | |
99 | enum pipe pipe); |
75 | |
100 | void intel_crtc_update_cursor(struct drm_crtc *crtc, bool on); |
76 | void intel_crtc_update_cursor(struct drm_crtc *crtc, bool on); |
101 | 77 | ||
102 | static void i9xx_crtc_clock_get(struct intel_crtc *crtc, |
78 | static void i9xx_crtc_clock_get(struct intel_crtc *crtc, |
103 | struct intel_crtc_config *pipe_config); |
79 | struct intel_crtc_config *pipe_config); |
104 | static void ironlake_pch_clock_get(struct intel_crtc *crtc, |
80 | static void ironlake_pch_clock_get(struct intel_crtc *crtc, |
105 | struct intel_crtc_config *pipe_config); |
81 | struct intel_crtc_config *pipe_config); |
106 | 82 | ||
107 | static int intel_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode, |
83 | static int intel_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode, |
108 | int x, int y, struct drm_framebuffer *old_fb); |
84 | int x, int y, struct drm_framebuffer *old_fb); |
109 | static int intel_framebuffer_init(struct drm_device *dev, |
85 | static int intel_framebuffer_init(struct drm_device *dev, |
110 | struct intel_framebuffer *ifb, |
86 | struct intel_framebuffer *ifb, |
111 | struct drm_mode_fb_cmd2 *mode_cmd, |
87 | struct drm_mode_fb_cmd2 *mode_cmd, |
112 | struct drm_i915_gem_object *obj); |
88 | struct drm_i915_gem_object *obj); |
113 | static void intel_dp_set_m_n(struct intel_crtc *crtc); |
- | |
114 | static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc); |
89 | static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc); |
115 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc); |
90 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc); |
116 | static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, |
91 | static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, |
- | 92 | struct intel_link_m_n *m_n, |
|
117 | struct intel_link_m_n *m_n); |
93 | struct intel_link_m_n *m2_n2); |
118 | static void ironlake_set_pipeconf(struct drm_crtc *crtc); |
94 | static void ironlake_set_pipeconf(struct drm_crtc *crtc); |
119 | static void haswell_set_pipeconf(struct drm_crtc *crtc); |
95 | static void haswell_set_pipeconf(struct drm_crtc *crtc); |
120 | static void intel_set_pipe_csc(struct drm_crtc *crtc); |
96 | static void intel_set_pipe_csc(struct drm_crtc *crtc); |
121 | static void vlv_prepare_pll(struct intel_crtc *crtc); |
97 | static void vlv_prepare_pll(struct intel_crtc *crtc, |
- | 98 | const struct intel_crtc_config *pipe_config); |
|
- | 99 | static void chv_prepare_pll(struct intel_crtc *crtc, |
|
- | 100 | const struct intel_crtc_config *pipe_config); |
|
122 | 101 | ||
123 | static struct intel_encoder *intel_find_encoder(struct intel_connector *connector, int pipe) |
102 | static struct intel_encoder *intel_find_encoder(struct intel_connector *connector, int pipe) |
124 | { |
103 | { |
125 | if (!connector->mst_port) |
104 | if (!connector->mst_port) |
126 | return connector->encoder; |
105 | return connector->encoder; |
127 | else |
106 | else |
128 | return &connector->mst_port->mst_encoders[pipe]->base; |
107 | return &connector->mst_port->mst_encoders[pipe]->base; |
129 | } |
108 | } |
130 | 109 | ||
131 | typedef struct { |
110 | typedef struct { |
132 | int min, max; |
111 | int min, max; |
133 | } intel_range_t; |
112 | } intel_range_t; |
134 | 113 | ||
135 | typedef struct { |
114 | typedef struct { |
136 | int dot_limit; |
115 | int dot_limit; |
137 | int p2_slow, p2_fast; |
116 | int p2_slow, p2_fast; |
138 | } intel_p2_t; |
117 | } intel_p2_t; |
139 | 118 | ||
140 | typedef struct intel_limit intel_limit_t; |
119 | typedef struct intel_limit intel_limit_t; |
141 | struct intel_limit { |
120 | struct intel_limit { |
142 | intel_range_t dot, vco, n, m, m1, m2, p, p1; |
121 | intel_range_t dot, vco, n, m, m1, m2, p, p1; |
143 | intel_p2_t p2; |
122 | intel_p2_t p2; |
144 | }; |
123 | }; |
145 | 124 | ||
146 | int |
125 | int |
147 | intel_pch_rawclk(struct drm_device *dev) |
126 | intel_pch_rawclk(struct drm_device *dev) |
148 | { |
127 | { |
149 | struct drm_i915_private *dev_priv = dev->dev_private; |
128 | struct drm_i915_private *dev_priv = dev->dev_private; |
150 | 129 | ||
151 | WARN_ON(!HAS_PCH_SPLIT(dev)); |
130 | WARN_ON(!HAS_PCH_SPLIT(dev)); |
152 | 131 | ||
153 | return I915_READ(PCH_RAWCLK_FREQ) & RAWCLK_FREQ_MASK; |
132 | return I915_READ(PCH_RAWCLK_FREQ) & RAWCLK_FREQ_MASK; |
154 | } |
133 | } |
155 | 134 | ||
156 | static inline u32 /* units of 100MHz */ |
135 | static inline u32 /* units of 100MHz */ |
157 | intel_fdi_link_freq(struct drm_device *dev) |
136 | intel_fdi_link_freq(struct drm_device *dev) |
158 | { |
137 | { |
159 | if (IS_GEN5(dev)) { |
138 | if (IS_GEN5(dev)) { |
160 | struct drm_i915_private *dev_priv = dev->dev_private; |
139 | struct drm_i915_private *dev_priv = dev->dev_private; |
161 | return (I915_READ(FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK) + 2; |
140 | return (I915_READ(FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK) + 2; |
162 | } else |
141 | } else |
163 | return 27; |
142 | return 27; |
164 | } |
143 | } |
165 | 144 | ||
166 | static const intel_limit_t intel_limits_i8xx_dac = { |
145 | static const intel_limit_t intel_limits_i8xx_dac = { |
167 | .dot = { .min = 25000, .max = 350000 }, |
146 | .dot = { .min = 25000, .max = 350000 }, |
168 | .vco = { .min = 908000, .max = 1512000 }, |
147 | .vco = { .min = 908000, .max = 1512000 }, |
169 | .n = { .min = 2, .max = 16 }, |
148 | .n = { .min = 2, .max = 16 }, |
170 | .m = { .min = 96, .max = 140 }, |
149 | .m = { .min = 96, .max = 140 }, |
171 | .m1 = { .min = 18, .max = 26 }, |
150 | .m1 = { .min = 18, .max = 26 }, |
172 | .m2 = { .min = 6, .max = 16 }, |
151 | .m2 = { .min = 6, .max = 16 }, |
173 | .p = { .min = 4, .max = 128 }, |
152 | .p = { .min = 4, .max = 128 }, |
174 | .p1 = { .min = 2, .max = 33 }, |
153 | .p1 = { .min = 2, .max = 33 }, |
175 | .p2 = { .dot_limit = 165000, |
154 | .p2 = { .dot_limit = 165000, |
176 | .p2_slow = 4, .p2_fast = 2 }, |
155 | .p2_slow = 4, .p2_fast = 2 }, |
177 | }; |
156 | }; |
178 | 157 | ||
179 | static const intel_limit_t intel_limits_i8xx_dvo = { |
158 | static const intel_limit_t intel_limits_i8xx_dvo = { |
180 | .dot = { .min = 25000, .max = 350000 }, |
159 | .dot = { .min = 25000, .max = 350000 }, |
181 | .vco = { .min = 908000, .max = 1512000 }, |
160 | .vco = { .min = 908000, .max = 1512000 }, |
182 | .n = { .min = 2, .max = 16 }, |
161 | .n = { .min = 2, .max = 16 }, |
183 | .m = { .min = 96, .max = 140 }, |
162 | .m = { .min = 96, .max = 140 }, |
184 | .m1 = { .min = 18, .max = 26 }, |
163 | .m1 = { .min = 18, .max = 26 }, |
185 | .m2 = { .min = 6, .max = 16 }, |
164 | .m2 = { .min = 6, .max = 16 }, |
186 | .p = { .min = 4, .max = 128 }, |
165 | .p = { .min = 4, .max = 128 }, |
187 | .p1 = { .min = 2, .max = 33 }, |
166 | .p1 = { .min = 2, .max = 33 }, |
188 | .p2 = { .dot_limit = 165000, |
167 | .p2 = { .dot_limit = 165000, |
189 | .p2_slow = 4, .p2_fast = 4 }, |
168 | .p2_slow = 4, .p2_fast = 4 }, |
190 | }; |
169 | }; |
191 | 170 | ||
192 | static const intel_limit_t intel_limits_i8xx_lvds = { |
171 | static const intel_limit_t intel_limits_i8xx_lvds = { |
193 | .dot = { .min = 25000, .max = 350000 }, |
172 | .dot = { .min = 25000, .max = 350000 }, |
194 | .vco = { .min = 908000, .max = 1512000 }, |
173 | .vco = { .min = 908000, .max = 1512000 }, |
195 | .n = { .min = 2, .max = 16 }, |
174 | .n = { .min = 2, .max = 16 }, |
196 | .m = { .min = 96, .max = 140 }, |
175 | .m = { .min = 96, .max = 140 }, |
197 | .m1 = { .min = 18, .max = 26 }, |
176 | .m1 = { .min = 18, .max = 26 }, |
198 | .m2 = { .min = 6, .max = 16 }, |
177 | .m2 = { .min = 6, .max = 16 }, |
199 | .p = { .min = 4, .max = 128 }, |
178 | .p = { .min = 4, .max = 128 }, |
200 | .p1 = { .min = 1, .max = 6 }, |
179 | .p1 = { .min = 1, .max = 6 }, |
201 | .p2 = { .dot_limit = 165000, |
180 | .p2 = { .dot_limit = 165000, |
202 | .p2_slow = 14, .p2_fast = 7 }, |
181 | .p2_slow = 14, .p2_fast = 7 }, |
203 | }; |
182 | }; |
204 | 183 | ||
205 | static const intel_limit_t intel_limits_i9xx_sdvo = { |
184 | static const intel_limit_t intel_limits_i9xx_sdvo = { |
206 | .dot = { .min = 20000, .max = 400000 }, |
185 | .dot = { .min = 20000, .max = 400000 }, |
207 | .vco = { .min = 1400000, .max = 2800000 }, |
186 | .vco = { .min = 1400000, .max = 2800000 }, |
208 | .n = { .min = 1, .max = 6 }, |
187 | .n = { .min = 1, .max = 6 }, |
209 | .m = { .min = 70, .max = 120 }, |
188 | .m = { .min = 70, .max = 120 }, |
210 | .m1 = { .min = 8, .max = 18 }, |
189 | .m1 = { .min = 8, .max = 18 }, |
211 | .m2 = { .min = 3, .max = 7 }, |
190 | .m2 = { .min = 3, .max = 7 }, |
212 | .p = { .min = 5, .max = 80 }, |
191 | .p = { .min = 5, .max = 80 }, |
213 | .p1 = { .min = 1, .max = 8 }, |
192 | .p1 = { .min = 1, .max = 8 }, |
214 | .p2 = { .dot_limit = 200000, |
193 | .p2 = { .dot_limit = 200000, |
215 | .p2_slow = 10, .p2_fast = 5 }, |
194 | .p2_slow = 10, .p2_fast = 5 }, |
216 | }; |
195 | }; |
217 | 196 | ||
218 | static const intel_limit_t intel_limits_i9xx_lvds = { |
197 | static const intel_limit_t intel_limits_i9xx_lvds = { |
219 | .dot = { .min = 20000, .max = 400000 }, |
198 | .dot = { .min = 20000, .max = 400000 }, |
220 | .vco = { .min = 1400000, .max = 2800000 }, |
199 | .vco = { .min = 1400000, .max = 2800000 }, |
221 | .n = { .min = 1, .max = 6 }, |
200 | .n = { .min = 1, .max = 6 }, |
222 | .m = { .min = 70, .max = 120 }, |
201 | .m = { .min = 70, .max = 120 }, |
223 | .m1 = { .min = 8, .max = 18 }, |
202 | .m1 = { .min = 8, .max = 18 }, |
224 | .m2 = { .min = 3, .max = 7 }, |
203 | .m2 = { .min = 3, .max = 7 }, |
225 | .p = { .min = 7, .max = 98 }, |
204 | .p = { .min = 7, .max = 98 }, |
226 | .p1 = { .min = 1, .max = 8 }, |
205 | .p1 = { .min = 1, .max = 8 }, |
227 | .p2 = { .dot_limit = 112000, |
206 | .p2 = { .dot_limit = 112000, |
228 | .p2_slow = 14, .p2_fast = 7 }, |
207 | .p2_slow = 14, .p2_fast = 7 }, |
229 | }; |
208 | }; |
230 | 209 | ||
231 | 210 | ||
232 | static const intel_limit_t intel_limits_g4x_sdvo = { |
211 | static const intel_limit_t intel_limits_g4x_sdvo = { |
233 | .dot = { .min = 25000, .max = 270000 }, |
212 | .dot = { .min = 25000, .max = 270000 }, |
234 | .vco = { .min = 1750000, .max = 3500000}, |
213 | .vco = { .min = 1750000, .max = 3500000}, |
235 | .n = { .min = 1, .max = 4 }, |
214 | .n = { .min = 1, .max = 4 }, |
236 | .m = { .min = 104, .max = 138 }, |
215 | .m = { .min = 104, .max = 138 }, |
237 | .m1 = { .min = 17, .max = 23 }, |
216 | .m1 = { .min = 17, .max = 23 }, |
238 | .m2 = { .min = 5, .max = 11 }, |
217 | .m2 = { .min = 5, .max = 11 }, |
239 | .p = { .min = 10, .max = 30 }, |
218 | .p = { .min = 10, .max = 30 }, |
240 | .p1 = { .min = 1, .max = 3}, |
219 | .p1 = { .min = 1, .max = 3}, |
241 | .p2 = { .dot_limit = 270000, |
220 | .p2 = { .dot_limit = 270000, |
242 | .p2_slow = 10, |
221 | .p2_slow = 10, |
243 | .p2_fast = 10 |
222 | .p2_fast = 10 |
244 | }, |
223 | }, |
245 | }; |
224 | }; |
246 | 225 | ||
247 | static const intel_limit_t intel_limits_g4x_hdmi = { |
226 | static const intel_limit_t intel_limits_g4x_hdmi = { |
248 | .dot = { .min = 22000, .max = 400000 }, |
227 | .dot = { .min = 22000, .max = 400000 }, |
249 | .vco = { .min = 1750000, .max = 3500000}, |
228 | .vco = { .min = 1750000, .max = 3500000}, |
250 | .n = { .min = 1, .max = 4 }, |
229 | .n = { .min = 1, .max = 4 }, |
251 | .m = { .min = 104, .max = 138 }, |
230 | .m = { .min = 104, .max = 138 }, |
252 | .m1 = { .min = 16, .max = 23 }, |
231 | .m1 = { .min = 16, .max = 23 }, |
253 | .m2 = { .min = 5, .max = 11 }, |
232 | .m2 = { .min = 5, .max = 11 }, |
254 | .p = { .min = 5, .max = 80 }, |
233 | .p = { .min = 5, .max = 80 }, |
255 | .p1 = { .min = 1, .max = 8}, |
234 | .p1 = { .min = 1, .max = 8}, |
256 | .p2 = { .dot_limit = 165000, |
235 | .p2 = { .dot_limit = 165000, |
257 | .p2_slow = 10, .p2_fast = 5 }, |
236 | .p2_slow = 10, .p2_fast = 5 }, |
258 | }; |
237 | }; |
259 | 238 | ||
260 | static const intel_limit_t intel_limits_g4x_single_channel_lvds = { |
239 | static const intel_limit_t intel_limits_g4x_single_channel_lvds = { |
261 | .dot = { .min = 20000, .max = 115000 }, |
240 | .dot = { .min = 20000, .max = 115000 }, |
262 | .vco = { .min = 1750000, .max = 3500000 }, |
241 | .vco = { .min = 1750000, .max = 3500000 }, |
263 | .n = { .min = 1, .max = 3 }, |
242 | .n = { .min = 1, .max = 3 }, |
264 | .m = { .min = 104, .max = 138 }, |
243 | .m = { .min = 104, .max = 138 }, |
265 | .m1 = { .min = 17, .max = 23 }, |
244 | .m1 = { .min = 17, .max = 23 }, |
266 | .m2 = { .min = 5, .max = 11 }, |
245 | .m2 = { .min = 5, .max = 11 }, |
267 | .p = { .min = 28, .max = 112 }, |
246 | .p = { .min = 28, .max = 112 }, |
268 | .p1 = { .min = 2, .max = 8 }, |
247 | .p1 = { .min = 2, .max = 8 }, |
269 | .p2 = { .dot_limit = 0, |
248 | .p2 = { .dot_limit = 0, |
270 | .p2_slow = 14, .p2_fast = 14 |
249 | .p2_slow = 14, .p2_fast = 14 |
271 | }, |
250 | }, |
272 | }; |
251 | }; |
273 | 252 | ||
274 | static const intel_limit_t intel_limits_g4x_dual_channel_lvds = { |
253 | static const intel_limit_t intel_limits_g4x_dual_channel_lvds = { |
275 | .dot = { .min = 80000, .max = 224000 }, |
254 | .dot = { .min = 80000, .max = 224000 }, |
276 | .vco = { .min = 1750000, .max = 3500000 }, |
255 | .vco = { .min = 1750000, .max = 3500000 }, |
277 | .n = { .min = 1, .max = 3 }, |
256 | .n = { .min = 1, .max = 3 }, |
278 | .m = { .min = 104, .max = 138 }, |
257 | .m = { .min = 104, .max = 138 }, |
279 | .m1 = { .min = 17, .max = 23 }, |
258 | .m1 = { .min = 17, .max = 23 }, |
280 | .m2 = { .min = 5, .max = 11 }, |
259 | .m2 = { .min = 5, .max = 11 }, |
281 | .p = { .min = 14, .max = 42 }, |
260 | .p = { .min = 14, .max = 42 }, |
282 | .p1 = { .min = 2, .max = 6 }, |
261 | .p1 = { .min = 2, .max = 6 }, |
283 | .p2 = { .dot_limit = 0, |
262 | .p2 = { .dot_limit = 0, |
284 | .p2_slow = 7, .p2_fast = 7 |
263 | .p2_slow = 7, .p2_fast = 7 |
285 | }, |
264 | }, |
286 | }; |
265 | }; |
287 | 266 | ||
288 | static const intel_limit_t intel_limits_pineview_sdvo = { |
267 | static const intel_limit_t intel_limits_pineview_sdvo = { |
289 | .dot = { .min = 20000, .max = 400000}, |
268 | .dot = { .min = 20000, .max = 400000}, |
290 | .vco = { .min = 1700000, .max = 3500000 }, |
269 | .vco = { .min = 1700000, .max = 3500000 }, |
291 | /* Pineview's Ncounter is a ring counter */ |
270 | /* Pineview's Ncounter is a ring counter */ |
292 | .n = { .min = 3, .max = 6 }, |
271 | .n = { .min = 3, .max = 6 }, |
293 | .m = { .min = 2, .max = 256 }, |
272 | .m = { .min = 2, .max = 256 }, |
294 | /* Pineview only has one combined m divider, which we treat as m2. */ |
273 | /* Pineview only has one combined m divider, which we treat as m2. */ |
295 | .m1 = { .min = 0, .max = 0 }, |
274 | .m1 = { .min = 0, .max = 0 }, |
296 | .m2 = { .min = 0, .max = 254 }, |
275 | .m2 = { .min = 0, .max = 254 }, |
297 | .p = { .min = 5, .max = 80 }, |
276 | .p = { .min = 5, .max = 80 }, |
298 | .p1 = { .min = 1, .max = 8 }, |
277 | .p1 = { .min = 1, .max = 8 }, |
299 | .p2 = { .dot_limit = 200000, |
278 | .p2 = { .dot_limit = 200000, |
300 | .p2_slow = 10, .p2_fast = 5 }, |
279 | .p2_slow = 10, .p2_fast = 5 }, |
301 | }; |
280 | }; |
302 | 281 | ||
303 | static const intel_limit_t intel_limits_pineview_lvds = { |
282 | static const intel_limit_t intel_limits_pineview_lvds = { |
304 | .dot = { .min = 20000, .max = 400000 }, |
283 | .dot = { .min = 20000, .max = 400000 }, |
305 | .vco = { .min = 1700000, .max = 3500000 }, |
284 | .vco = { .min = 1700000, .max = 3500000 }, |
306 | .n = { .min = 3, .max = 6 }, |
285 | .n = { .min = 3, .max = 6 }, |
307 | .m = { .min = 2, .max = 256 }, |
286 | .m = { .min = 2, .max = 256 }, |
308 | .m1 = { .min = 0, .max = 0 }, |
287 | .m1 = { .min = 0, .max = 0 }, |
309 | .m2 = { .min = 0, .max = 254 }, |
288 | .m2 = { .min = 0, .max = 254 }, |
310 | .p = { .min = 7, .max = 112 }, |
289 | .p = { .min = 7, .max = 112 }, |
311 | .p1 = { .min = 1, .max = 8 }, |
290 | .p1 = { .min = 1, .max = 8 }, |
312 | .p2 = { .dot_limit = 112000, |
291 | .p2 = { .dot_limit = 112000, |
313 | .p2_slow = 14, .p2_fast = 14 }, |
292 | .p2_slow = 14, .p2_fast = 14 }, |
314 | }; |
293 | }; |
315 | 294 | ||
316 | /* Ironlake / Sandybridge |
295 | /* Ironlake / Sandybridge |
317 | * |
296 | * |
318 | * We calculate clock using (register_value + 2) for N/M1/M2, so here |
297 | * We calculate clock using (register_value + 2) for N/M1/M2, so here |
319 | * the range value for them is (actual_value - 2). |
298 | * the range value for them is (actual_value - 2). |
320 | */ |
299 | */ |
321 | static const intel_limit_t intel_limits_ironlake_dac = { |
300 | static const intel_limit_t intel_limits_ironlake_dac = { |
322 | .dot = { .min = 25000, .max = 350000 }, |
301 | .dot = { .min = 25000, .max = 350000 }, |
323 | .vco = { .min = 1760000, .max = 3510000 }, |
302 | .vco = { .min = 1760000, .max = 3510000 }, |
324 | .n = { .min = 1, .max = 5 }, |
303 | .n = { .min = 1, .max = 5 }, |
325 | .m = { .min = 79, .max = 127 }, |
304 | .m = { .min = 79, .max = 127 }, |
326 | .m1 = { .min = 12, .max = 22 }, |
305 | .m1 = { .min = 12, .max = 22 }, |
327 | .m2 = { .min = 5, .max = 9 }, |
306 | .m2 = { .min = 5, .max = 9 }, |
328 | .p = { .min = 5, .max = 80 }, |
307 | .p = { .min = 5, .max = 80 }, |
329 | .p1 = { .min = 1, .max = 8 }, |
308 | .p1 = { .min = 1, .max = 8 }, |
330 | .p2 = { .dot_limit = 225000, |
309 | .p2 = { .dot_limit = 225000, |
331 | .p2_slow = 10, .p2_fast = 5 }, |
310 | .p2_slow = 10, .p2_fast = 5 }, |
332 | }; |
311 | }; |
333 | 312 | ||
334 | static const intel_limit_t intel_limits_ironlake_single_lvds = { |
313 | static const intel_limit_t intel_limits_ironlake_single_lvds = { |
335 | .dot = { .min = 25000, .max = 350000 }, |
314 | .dot = { .min = 25000, .max = 350000 }, |
336 | .vco = { .min = 1760000, .max = 3510000 }, |
315 | .vco = { .min = 1760000, .max = 3510000 }, |
337 | .n = { .min = 1, .max = 3 }, |
316 | .n = { .min = 1, .max = 3 }, |
338 | .m = { .min = 79, .max = 118 }, |
317 | .m = { .min = 79, .max = 118 }, |
339 | .m1 = { .min = 12, .max = 22 }, |
318 | .m1 = { .min = 12, .max = 22 }, |
340 | .m2 = { .min = 5, .max = 9 }, |
319 | .m2 = { .min = 5, .max = 9 }, |
341 | .p = { .min = 28, .max = 112 }, |
320 | .p = { .min = 28, .max = 112 }, |
342 | .p1 = { .min = 2, .max = 8 }, |
321 | .p1 = { .min = 2, .max = 8 }, |
343 | .p2 = { .dot_limit = 225000, |
322 | .p2 = { .dot_limit = 225000, |
344 | .p2_slow = 14, .p2_fast = 14 }, |
323 | .p2_slow = 14, .p2_fast = 14 }, |
345 | }; |
324 | }; |
346 | 325 | ||
347 | static const intel_limit_t intel_limits_ironlake_dual_lvds = { |
326 | static const intel_limit_t intel_limits_ironlake_dual_lvds = { |
348 | .dot = { .min = 25000, .max = 350000 }, |
327 | .dot = { .min = 25000, .max = 350000 }, |
349 | .vco = { .min = 1760000, .max = 3510000 }, |
328 | .vco = { .min = 1760000, .max = 3510000 }, |
350 | .n = { .min = 1, .max = 3 }, |
329 | .n = { .min = 1, .max = 3 }, |
351 | .m = { .min = 79, .max = 127 }, |
330 | .m = { .min = 79, .max = 127 }, |
352 | .m1 = { .min = 12, .max = 22 }, |
331 | .m1 = { .min = 12, .max = 22 }, |
353 | .m2 = { .min = 5, .max = 9 }, |
332 | .m2 = { .min = 5, .max = 9 }, |
354 | .p = { .min = 14, .max = 56 }, |
333 | .p = { .min = 14, .max = 56 }, |
355 | .p1 = { .min = 2, .max = 8 }, |
334 | .p1 = { .min = 2, .max = 8 }, |
356 | .p2 = { .dot_limit = 225000, |
335 | .p2 = { .dot_limit = 225000, |
357 | .p2_slow = 7, .p2_fast = 7 }, |
336 | .p2_slow = 7, .p2_fast = 7 }, |
358 | }; |
337 | }; |
359 | 338 | ||
360 | /* LVDS 100mhz refclk limits. */ |
339 | /* LVDS 100mhz refclk limits. */ |
361 | static const intel_limit_t intel_limits_ironlake_single_lvds_100m = { |
340 | static const intel_limit_t intel_limits_ironlake_single_lvds_100m = { |
362 | .dot = { .min = 25000, .max = 350000 }, |
341 | .dot = { .min = 25000, .max = 350000 }, |
363 | .vco = { .min = 1760000, .max = 3510000 }, |
342 | .vco = { .min = 1760000, .max = 3510000 }, |
364 | .n = { .min = 1, .max = 2 }, |
343 | .n = { .min = 1, .max = 2 }, |
365 | .m = { .min = 79, .max = 126 }, |
344 | .m = { .min = 79, .max = 126 }, |
366 | .m1 = { .min = 12, .max = 22 }, |
345 | .m1 = { .min = 12, .max = 22 }, |
367 | .m2 = { .min = 5, .max = 9 }, |
346 | .m2 = { .min = 5, .max = 9 }, |
368 | .p = { .min = 28, .max = 112 }, |
347 | .p = { .min = 28, .max = 112 }, |
369 | .p1 = { .min = 2, .max = 8 }, |
348 | .p1 = { .min = 2, .max = 8 }, |
370 | .p2 = { .dot_limit = 225000, |
349 | .p2 = { .dot_limit = 225000, |
371 | .p2_slow = 14, .p2_fast = 14 }, |
350 | .p2_slow = 14, .p2_fast = 14 }, |
372 | }; |
351 | }; |
373 | 352 | ||
374 | static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = { |
353 | static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = { |
375 | .dot = { .min = 25000, .max = 350000 }, |
354 | .dot = { .min = 25000, .max = 350000 }, |
376 | .vco = { .min = 1760000, .max = 3510000 }, |
355 | .vco = { .min = 1760000, .max = 3510000 }, |
377 | .n = { .min = 1, .max = 3 }, |
356 | .n = { .min = 1, .max = 3 }, |
378 | .m = { .min = 79, .max = 126 }, |
357 | .m = { .min = 79, .max = 126 }, |
379 | .m1 = { .min = 12, .max = 22 }, |
358 | .m1 = { .min = 12, .max = 22 }, |
380 | .m2 = { .min = 5, .max = 9 }, |
359 | .m2 = { .min = 5, .max = 9 }, |
381 | .p = { .min = 14, .max = 42 }, |
360 | .p = { .min = 14, .max = 42 }, |
382 | .p1 = { .min = 2, .max = 6 }, |
361 | .p1 = { .min = 2, .max = 6 }, |
383 | .p2 = { .dot_limit = 225000, |
362 | .p2 = { .dot_limit = 225000, |
384 | .p2_slow = 7, .p2_fast = 7 }, |
363 | .p2_slow = 7, .p2_fast = 7 }, |
385 | }; |
364 | }; |
386 | 365 | ||
387 | static const intel_limit_t intel_limits_vlv = { |
366 | static const intel_limit_t intel_limits_vlv = { |
388 | /* |
367 | /* |
389 | * These are the data rate limits (measured in fast clocks) |
368 | * These are the data rate limits (measured in fast clocks) |
390 | * since those are the strictest limits we have. The fast |
369 | * since those are the strictest limits we have. The fast |
391 | * clock and actual rate limits are more relaxed, so checking |
370 | * clock and actual rate limits are more relaxed, so checking |
392 | * them would make no difference. |
371 | * them would make no difference. |
393 | */ |
372 | */ |
394 | .dot = { .min = 25000 * 5, .max = 270000 * 5 }, |
373 | .dot = { .min = 25000 * 5, .max = 270000 * 5 }, |
395 | .vco = { .min = 4000000, .max = 6000000 }, |
374 | .vco = { .min = 4000000, .max = 6000000 }, |
396 | .n = { .min = 1, .max = 7 }, |
375 | .n = { .min = 1, .max = 7 }, |
397 | .m1 = { .min = 2, .max = 3 }, |
376 | .m1 = { .min = 2, .max = 3 }, |
398 | .m2 = { .min = 11, .max = 156 }, |
377 | .m2 = { .min = 11, .max = 156 }, |
399 | .p1 = { .min = 2, .max = 3 }, |
378 | .p1 = { .min = 2, .max = 3 }, |
400 | .p2 = { .p2_slow = 2, .p2_fast = 20 }, /* slow=min, fast=max */ |
379 | .p2 = { .p2_slow = 2, .p2_fast = 20 }, /* slow=min, fast=max */ |
401 | }; |
380 | }; |
402 | 381 | ||
403 | static const intel_limit_t intel_limits_chv = { |
382 | static const intel_limit_t intel_limits_chv = { |
404 | /* |
383 | /* |
405 | * These are the data rate limits (measured in fast clocks) |
384 | * These are the data rate limits (measured in fast clocks) |
406 | * since those are the strictest limits we have. The fast |
385 | * since those are the strictest limits we have. The fast |
407 | * clock and actual rate limits are more relaxed, so checking |
386 | * clock and actual rate limits are more relaxed, so checking |
408 | * them would make no difference. |
387 | * them would make no difference. |
409 | */ |
388 | */ |
410 | .dot = { .min = 25000 * 5, .max = 540000 * 5}, |
389 | .dot = { .min = 25000 * 5, .max = 540000 * 5}, |
411 | .vco = { .min = 4860000, .max = 6700000 }, |
390 | .vco = { .min = 4860000, .max = 6700000 }, |
412 | .n = { .min = 1, .max = 1 }, |
391 | .n = { .min = 1, .max = 1 }, |
413 | .m1 = { .min = 2, .max = 2 }, |
392 | .m1 = { .min = 2, .max = 2 }, |
414 | .m2 = { .min = 24 << 22, .max = 175 << 22 }, |
393 | .m2 = { .min = 24 << 22, .max = 175 << 22 }, |
415 | .p1 = { .min = 2, .max = 4 }, |
394 | .p1 = { .min = 2, .max = 4 }, |
416 | .p2 = { .p2_slow = 1, .p2_fast = 14 }, |
395 | .p2 = { .p2_slow = 1, .p2_fast = 14 }, |
417 | }; |
396 | }; |
418 | 397 | ||
419 | static void vlv_clock(int refclk, intel_clock_t *clock) |
398 | static void vlv_clock(int refclk, intel_clock_t *clock) |
420 | { |
399 | { |
421 | clock->m = clock->m1 * clock->m2; |
400 | clock->m = clock->m1 * clock->m2; |
422 | clock->p = clock->p1 * clock->p2; |
401 | clock->p = clock->p1 * clock->p2; |
423 | if (WARN_ON(clock->n == 0 || clock->p == 0)) |
402 | if (WARN_ON(clock->n == 0 || clock->p == 0)) |
424 | return; |
403 | return; |
425 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
404 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
426 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); |
405 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); |
427 | } |
406 | } |
428 | 407 | ||
429 | /** |
408 | /** |
430 | * Returns whether any output on the specified pipe is of the specified type |
409 | * Returns whether any output on the specified pipe is of the specified type |
431 | */ |
410 | */ |
432 | static bool intel_pipe_has_type(struct drm_crtc *crtc, int type) |
411 | bool intel_pipe_has_type(struct intel_crtc *crtc, enum intel_output_type type) |
433 | { |
412 | { |
434 | struct drm_device *dev = crtc->dev; |
413 | struct drm_device *dev = crtc->base.dev; |
435 | struct intel_encoder *encoder; |
414 | struct intel_encoder *encoder; |
436 | 415 | ||
437 | for_each_encoder_on_crtc(dev, crtc, encoder) |
416 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) |
438 | if (encoder->type == type) |
417 | if (encoder->type == type) |
439 | return true; |
418 | return true; |
440 | 419 | ||
441 | return false; |
420 | return false; |
442 | } |
421 | } |
- | 422 | ||
- | 423 | /** |
|
- | 424 | * Returns whether any output on the specified pipe will have the specified |
|
- | 425 | * type after a staged modeset is complete, i.e., the same as |
|
- | 426 | * intel_pipe_has_type() but looking at encoder->new_crtc instead of |
|
- | 427 | * encoder->crtc. |
|
- | 428 | */ |
|
- | 429 | static bool intel_pipe_will_have_type(struct intel_crtc *crtc, int type) |
|
- | 430 | { |
|
- | 431 | struct drm_device *dev = crtc->base.dev; |
|
- | 432 | struct intel_encoder *encoder; |
|
- | 433 | ||
- | 434 | for_each_intel_encoder(dev, encoder) |
|
- | 435 | if (encoder->new_crtc == crtc && encoder->type == type) |
|
- | 436 | return true; |
|
- | 437 | ||
- | 438 | return false; |
|
- | 439 | } |
|
443 | 440 | ||
444 | static const intel_limit_t *intel_ironlake_limit(struct drm_crtc *crtc, |
441 | static const intel_limit_t *intel_ironlake_limit(struct intel_crtc *crtc, |
445 | int refclk) |
442 | int refclk) |
446 | { |
443 | { |
447 | struct drm_device *dev = crtc->dev; |
444 | struct drm_device *dev = crtc->base.dev; |
448 | const intel_limit_t *limit; |
445 | const intel_limit_t *limit; |
449 | 446 | ||
450 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { |
447 | if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_LVDS)) { |
451 | if (intel_is_dual_link_lvds(dev)) { |
448 | if (intel_is_dual_link_lvds(dev)) { |
452 | if (refclk == 100000) |
449 | if (refclk == 100000) |
453 | limit = &intel_limits_ironlake_dual_lvds_100m; |
450 | limit = &intel_limits_ironlake_dual_lvds_100m; |
454 | else |
451 | else |
455 | limit = &intel_limits_ironlake_dual_lvds; |
452 | limit = &intel_limits_ironlake_dual_lvds; |
456 | } else { |
453 | } else { |
457 | if (refclk == 100000) |
454 | if (refclk == 100000) |
458 | limit = &intel_limits_ironlake_single_lvds_100m; |
455 | limit = &intel_limits_ironlake_single_lvds_100m; |
459 | else |
456 | else |
460 | limit = &intel_limits_ironlake_single_lvds; |
457 | limit = &intel_limits_ironlake_single_lvds; |
461 | } |
458 | } |
462 | } else |
459 | } else |
463 | limit = &intel_limits_ironlake_dac; |
460 | limit = &intel_limits_ironlake_dac; |
464 | 461 | ||
465 | return limit; |
462 | return limit; |
466 | } |
463 | } |
467 | 464 | ||
468 | static const intel_limit_t *intel_g4x_limit(struct drm_crtc *crtc) |
465 | static const intel_limit_t *intel_g4x_limit(struct intel_crtc *crtc) |
469 | { |
466 | { |
470 | struct drm_device *dev = crtc->dev; |
467 | struct drm_device *dev = crtc->base.dev; |
471 | const intel_limit_t *limit; |
468 | const intel_limit_t *limit; |
472 | 469 | ||
473 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { |
470 | if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_LVDS)) { |
474 | if (intel_is_dual_link_lvds(dev)) |
471 | if (intel_is_dual_link_lvds(dev)) |
475 | limit = &intel_limits_g4x_dual_channel_lvds; |
472 | limit = &intel_limits_g4x_dual_channel_lvds; |
476 | else |
473 | else |
477 | limit = &intel_limits_g4x_single_channel_lvds; |
474 | limit = &intel_limits_g4x_single_channel_lvds; |
478 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI) || |
475 | } else if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_HDMI) || |
479 | intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG)) { |
476 | intel_pipe_will_have_type(crtc, INTEL_OUTPUT_ANALOG)) { |
480 | limit = &intel_limits_g4x_hdmi; |
477 | limit = &intel_limits_g4x_hdmi; |
481 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO)) { |
478 | } else if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_SDVO)) { |
482 | limit = &intel_limits_g4x_sdvo; |
479 | limit = &intel_limits_g4x_sdvo; |
483 | } else /* The option is for other outputs */ |
480 | } else /* The option is for other outputs */ |
484 | limit = &intel_limits_i9xx_sdvo; |
481 | limit = &intel_limits_i9xx_sdvo; |
485 | 482 | ||
486 | return limit; |
483 | return limit; |
487 | } |
484 | } |
488 | 485 | ||
489 | static const intel_limit_t *intel_limit(struct drm_crtc *crtc, int refclk) |
486 | static const intel_limit_t *intel_limit(struct intel_crtc *crtc, int refclk) |
490 | { |
487 | { |
491 | struct drm_device *dev = crtc->dev; |
488 | struct drm_device *dev = crtc->base.dev; |
492 | const intel_limit_t *limit; |
489 | const intel_limit_t *limit; |
493 | 490 | ||
494 | if (HAS_PCH_SPLIT(dev)) |
491 | if (HAS_PCH_SPLIT(dev)) |
495 | limit = intel_ironlake_limit(crtc, refclk); |
492 | limit = intel_ironlake_limit(crtc, refclk); |
496 | else if (IS_G4X(dev)) { |
493 | else if (IS_G4X(dev)) { |
497 | limit = intel_g4x_limit(crtc); |
494 | limit = intel_g4x_limit(crtc); |
498 | } else if (IS_PINEVIEW(dev)) { |
495 | } else if (IS_PINEVIEW(dev)) { |
499 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) |
496 | if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_LVDS)) |
500 | limit = &intel_limits_pineview_lvds; |
497 | limit = &intel_limits_pineview_lvds; |
501 | else |
498 | else |
502 | limit = &intel_limits_pineview_sdvo; |
499 | limit = &intel_limits_pineview_sdvo; |
503 | } else if (IS_CHERRYVIEW(dev)) { |
500 | } else if (IS_CHERRYVIEW(dev)) { |
504 | limit = &intel_limits_chv; |
501 | limit = &intel_limits_chv; |
505 | } else if (IS_VALLEYVIEW(dev)) { |
502 | } else if (IS_VALLEYVIEW(dev)) { |
506 | limit = &intel_limits_vlv; |
503 | limit = &intel_limits_vlv; |
507 | } else if (!IS_GEN2(dev)) { |
504 | } else if (!IS_GEN2(dev)) { |
508 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) |
505 | if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_LVDS)) |
509 | limit = &intel_limits_i9xx_lvds; |
506 | limit = &intel_limits_i9xx_lvds; |
510 | else |
507 | else |
511 | limit = &intel_limits_i9xx_sdvo; |
508 | limit = &intel_limits_i9xx_sdvo; |
512 | } else { |
509 | } else { |
513 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) |
510 | if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_LVDS)) |
514 | limit = &intel_limits_i8xx_lvds; |
511 | limit = &intel_limits_i8xx_lvds; |
515 | else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO)) |
512 | else if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_DVO)) |
516 | limit = &intel_limits_i8xx_dvo; |
513 | limit = &intel_limits_i8xx_dvo; |
517 | else |
514 | else |
518 | limit = &intel_limits_i8xx_dac; |
515 | limit = &intel_limits_i8xx_dac; |
519 | } |
516 | } |
520 | return limit; |
517 | return limit; |
521 | } |
518 | } |
522 | 519 | ||
523 | /* m1 is reserved as 0 in Pineview, n is a ring counter */ |
520 | /* m1 is reserved as 0 in Pineview, n is a ring counter */ |
524 | static void pineview_clock(int refclk, intel_clock_t *clock) |
521 | static void pineview_clock(int refclk, intel_clock_t *clock) |
525 | { |
522 | { |
526 | clock->m = clock->m2 + 2; |
523 | clock->m = clock->m2 + 2; |
527 | clock->p = clock->p1 * clock->p2; |
524 | clock->p = clock->p1 * clock->p2; |
528 | if (WARN_ON(clock->n == 0 || clock->p == 0)) |
525 | if (WARN_ON(clock->n == 0 || clock->p == 0)) |
529 | return; |
526 | return; |
530 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
527 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
531 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); |
528 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); |
532 | } |
529 | } |
533 | 530 | ||
534 | static uint32_t i9xx_dpll_compute_m(struct dpll *dpll) |
531 | static uint32_t i9xx_dpll_compute_m(struct dpll *dpll) |
535 | { |
532 | { |
536 | return 5 * (dpll->m1 + 2) + (dpll->m2 + 2); |
533 | return 5 * (dpll->m1 + 2) + (dpll->m2 + 2); |
537 | } |
534 | } |
538 | 535 | ||
539 | static void i9xx_clock(int refclk, intel_clock_t *clock) |
536 | static void i9xx_clock(int refclk, intel_clock_t *clock) |
540 | { |
537 | { |
541 | clock->m = i9xx_dpll_compute_m(clock); |
538 | clock->m = i9xx_dpll_compute_m(clock); |
542 | clock->p = clock->p1 * clock->p2; |
539 | clock->p = clock->p1 * clock->p2; |
543 | if (WARN_ON(clock->n + 2 == 0 || clock->p == 0)) |
540 | if (WARN_ON(clock->n + 2 == 0 || clock->p == 0)) |
544 | return; |
541 | return; |
545 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n + 2); |
542 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n + 2); |
546 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); |
543 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); |
547 | } |
544 | } |
548 | 545 | ||
549 | static void chv_clock(int refclk, intel_clock_t *clock) |
546 | static void chv_clock(int refclk, intel_clock_t *clock) |
550 | { |
547 | { |
551 | clock->m = clock->m1 * clock->m2; |
548 | clock->m = clock->m1 * clock->m2; |
552 | clock->p = clock->p1 * clock->p2; |
549 | clock->p = clock->p1 * clock->p2; |
553 | if (WARN_ON(clock->n == 0 || clock->p == 0)) |
550 | if (WARN_ON(clock->n == 0 || clock->p == 0)) |
554 | return; |
551 | return; |
555 | clock->vco = DIV_ROUND_CLOSEST_ULL((uint64_t)refclk * clock->m, |
552 | clock->vco = DIV_ROUND_CLOSEST_ULL((uint64_t)refclk * clock->m, |
556 | clock->n << 22); |
553 | clock->n << 22); |
557 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); |
554 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); |
558 | } |
555 | } |
559 | 556 | ||
560 | #define INTELPllInvalid(s) do { /* DRM_DEBUG(s); */ return false; } while (0) |
557 | #define INTELPllInvalid(s) do { /* DRM_DEBUG(s); */ return false; } while (0) |
561 | /** |
558 | /** |
562 | * Returns whether the given set of divisors are valid for a given refclk with |
559 | * Returns whether the given set of divisors are valid for a given refclk with |
563 | * the given connectors. |
560 | * the given connectors. |
564 | */ |
561 | */ |
565 | 562 | ||
566 | static bool intel_PLL_is_valid(struct drm_device *dev, |
563 | static bool intel_PLL_is_valid(struct drm_device *dev, |
567 | const intel_limit_t *limit, |
564 | const intel_limit_t *limit, |
568 | const intel_clock_t *clock) |
565 | const intel_clock_t *clock) |
569 | { |
566 | { |
570 | if (clock->n < limit->n.min || limit->n.max < clock->n) |
567 | if (clock->n < limit->n.min || limit->n.max < clock->n) |
571 | INTELPllInvalid("n out of range\n"); |
568 | INTELPllInvalid("n out of range\n"); |
572 | if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1) |
569 | if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1) |
573 | INTELPllInvalid("p1 out of range\n"); |
570 | INTELPllInvalid("p1 out of range\n"); |
574 | if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2) |
571 | if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2) |
575 | INTELPllInvalid("m2 out of range\n"); |
572 | INTELPllInvalid("m2 out of range\n"); |
576 | if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1) |
573 | if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1) |
577 | INTELPllInvalid("m1 out of range\n"); |
574 | INTELPllInvalid("m1 out of range\n"); |
578 | 575 | ||
579 | if (!IS_PINEVIEW(dev) && !IS_VALLEYVIEW(dev)) |
576 | if (!IS_PINEVIEW(dev) && !IS_VALLEYVIEW(dev)) |
580 | if (clock->m1 <= clock->m2) |
577 | if (clock->m1 <= clock->m2) |
581 | INTELPllInvalid("m1 <= m2\n"); |
578 | INTELPllInvalid("m1 <= m2\n"); |
582 | 579 | ||
583 | if (!IS_VALLEYVIEW(dev)) { |
580 | if (!IS_VALLEYVIEW(dev)) { |
584 | if (clock->p < limit->p.min || limit->p.max < clock->p) |
581 | if (clock->p < limit->p.min || limit->p.max < clock->p) |
585 | INTELPllInvalid("p out of range\n"); |
582 | INTELPllInvalid("p out of range\n"); |
586 | if (clock->m < limit->m.min || limit->m.max < clock->m) |
583 | if (clock->m < limit->m.min || limit->m.max < clock->m) |
587 | INTELPllInvalid("m out of range\n"); |
584 | INTELPllInvalid("m out of range\n"); |
588 | } |
585 | } |
589 | 586 | ||
590 | if (clock->vco < limit->vco.min || limit->vco.max < clock->vco) |
587 | if (clock->vco < limit->vco.min || limit->vco.max < clock->vco) |
591 | INTELPllInvalid("vco out of range\n"); |
588 | INTELPllInvalid("vco out of range\n"); |
592 | /* XXX: We may need to be checking "Dot clock" depending on the multiplier, |
589 | /* XXX: We may need to be checking "Dot clock" depending on the multiplier, |
593 | * connector, etc., rather than just a single range. |
590 | * connector, etc., rather than just a single range. |
594 | */ |
591 | */ |
595 | if (clock->dot < limit->dot.min || limit->dot.max < clock->dot) |
592 | if (clock->dot < limit->dot.min || limit->dot.max < clock->dot) |
596 | INTELPllInvalid("dot out of range\n"); |
593 | INTELPllInvalid("dot out of range\n"); |
597 | 594 | ||
598 | return true; |
595 | return true; |
599 | } |
596 | } |
600 | 597 | ||
601 | static bool |
598 | static bool |
602 | i9xx_find_best_dpll(const intel_limit_t *limit, struct drm_crtc *crtc, |
599 | i9xx_find_best_dpll(const intel_limit_t *limit, struct intel_crtc *crtc, |
603 | int target, int refclk, intel_clock_t *match_clock, |
600 | int target, int refclk, intel_clock_t *match_clock, |
604 | intel_clock_t *best_clock) |
601 | intel_clock_t *best_clock) |
605 | { |
602 | { |
606 | struct drm_device *dev = crtc->dev; |
603 | struct drm_device *dev = crtc->base.dev; |
607 | intel_clock_t clock; |
604 | intel_clock_t clock; |
608 | int err = target; |
605 | int err = target; |
609 | 606 | ||
610 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { |
607 | if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_LVDS)) { |
611 | /* |
608 | /* |
612 | * For LVDS just rely on its current settings for dual-channel. |
609 | * For LVDS just rely on its current settings for dual-channel. |
613 | * We haven't figured out how to reliably set up different |
610 | * We haven't figured out how to reliably set up different |
614 | * single/dual channel state, if we even can. |
611 | * single/dual channel state, if we even can. |
615 | */ |
612 | */ |
616 | if (intel_is_dual_link_lvds(dev)) |
613 | if (intel_is_dual_link_lvds(dev)) |
617 | clock.p2 = limit->p2.p2_fast; |
614 | clock.p2 = limit->p2.p2_fast; |
618 | else |
615 | else |
619 | clock.p2 = limit->p2.p2_slow; |
616 | clock.p2 = limit->p2.p2_slow; |
620 | } else { |
617 | } else { |
621 | if (target < limit->p2.dot_limit) |
618 | if (target < limit->p2.dot_limit) |
622 | clock.p2 = limit->p2.p2_slow; |
619 | clock.p2 = limit->p2.p2_slow; |
623 | else |
620 | else |
624 | clock.p2 = limit->p2.p2_fast; |
621 | clock.p2 = limit->p2.p2_fast; |
625 | } |
622 | } |
626 | 623 | ||
627 | memset(best_clock, 0, sizeof(*best_clock)); |
624 | memset(best_clock, 0, sizeof(*best_clock)); |
628 | 625 | ||
629 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
626 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
630 | clock.m1++) { |
627 | clock.m1++) { |
631 | for (clock.m2 = limit->m2.min; |
628 | for (clock.m2 = limit->m2.min; |
632 | clock.m2 <= limit->m2.max; clock.m2++) { |
629 | clock.m2 <= limit->m2.max; clock.m2++) { |
633 | if (clock.m2 >= clock.m1) |
630 | if (clock.m2 >= clock.m1) |
634 | break; |
631 | break; |
635 | for (clock.n = limit->n.min; |
632 | for (clock.n = limit->n.min; |
636 | clock.n <= limit->n.max; clock.n++) { |
633 | clock.n <= limit->n.max; clock.n++) { |
637 | for (clock.p1 = limit->p1.min; |
634 | for (clock.p1 = limit->p1.min; |
638 | clock.p1 <= limit->p1.max; clock.p1++) { |
635 | clock.p1 <= limit->p1.max; clock.p1++) { |
639 | int this_err; |
636 | int this_err; |
640 | 637 | ||
641 | i9xx_clock(refclk, &clock); |
638 | i9xx_clock(refclk, &clock); |
642 | if (!intel_PLL_is_valid(dev, limit, |
639 | if (!intel_PLL_is_valid(dev, limit, |
643 | &clock)) |
640 | &clock)) |
644 | continue; |
641 | continue; |
645 | if (match_clock && |
642 | if (match_clock && |
646 | clock.p != match_clock->p) |
643 | clock.p != match_clock->p) |
647 | continue; |
644 | continue; |
648 | 645 | ||
649 | this_err = abs(clock.dot - target); |
646 | this_err = abs(clock.dot - target); |
650 | if (this_err < err) { |
647 | if (this_err < err) { |
651 | *best_clock = clock; |
648 | *best_clock = clock; |
652 | err = this_err; |
649 | err = this_err; |
653 | } |
650 | } |
654 | } |
651 | } |
655 | } |
652 | } |
656 | } |
653 | } |
657 | } |
654 | } |
658 | 655 | ||
659 | return (err != target); |
656 | return (err != target); |
660 | } |
657 | } |
661 | 658 | ||
662 | static bool |
659 | static bool |
663 | pnv_find_best_dpll(const intel_limit_t *limit, struct drm_crtc *crtc, |
660 | pnv_find_best_dpll(const intel_limit_t *limit, struct intel_crtc *crtc, |
664 | int target, int refclk, intel_clock_t *match_clock, |
661 | int target, int refclk, intel_clock_t *match_clock, |
665 | intel_clock_t *best_clock) |
662 | intel_clock_t *best_clock) |
666 | { |
663 | { |
667 | struct drm_device *dev = crtc->dev; |
664 | struct drm_device *dev = crtc->base.dev; |
668 | intel_clock_t clock; |
665 | intel_clock_t clock; |
669 | int err = target; |
666 | int err = target; |
670 | 667 | ||
671 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { |
668 | if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_LVDS)) { |
672 | /* |
669 | /* |
673 | * For LVDS just rely on its current settings for dual-channel. |
670 | * For LVDS just rely on its current settings for dual-channel. |
674 | * We haven't figured out how to reliably set up different |
671 | * We haven't figured out how to reliably set up different |
675 | * single/dual channel state, if we even can. |
672 | * single/dual channel state, if we even can. |
676 | */ |
673 | */ |
677 | if (intel_is_dual_link_lvds(dev)) |
674 | if (intel_is_dual_link_lvds(dev)) |
678 | clock.p2 = limit->p2.p2_fast; |
675 | clock.p2 = limit->p2.p2_fast; |
679 | else |
676 | else |
680 | clock.p2 = limit->p2.p2_slow; |
677 | clock.p2 = limit->p2.p2_slow; |
681 | } else { |
678 | } else { |
682 | if (target < limit->p2.dot_limit) |
679 | if (target < limit->p2.dot_limit) |
683 | clock.p2 = limit->p2.p2_slow; |
680 | clock.p2 = limit->p2.p2_slow; |
684 | else |
681 | else |
685 | clock.p2 = limit->p2.p2_fast; |
682 | clock.p2 = limit->p2.p2_fast; |
686 | } |
683 | } |
687 | 684 | ||
688 | memset(best_clock, 0, sizeof(*best_clock)); |
685 | memset(best_clock, 0, sizeof(*best_clock)); |
689 | 686 | ||
690 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
687 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
691 | clock.m1++) { |
688 | clock.m1++) { |
692 | for (clock.m2 = limit->m2.min; |
689 | for (clock.m2 = limit->m2.min; |
693 | clock.m2 <= limit->m2.max; clock.m2++) { |
690 | clock.m2 <= limit->m2.max; clock.m2++) { |
694 | for (clock.n = limit->n.min; |
691 | for (clock.n = limit->n.min; |
695 | clock.n <= limit->n.max; clock.n++) { |
692 | clock.n <= limit->n.max; clock.n++) { |
696 | for (clock.p1 = limit->p1.min; |
693 | for (clock.p1 = limit->p1.min; |
697 | clock.p1 <= limit->p1.max; clock.p1++) { |
694 | clock.p1 <= limit->p1.max; clock.p1++) { |
698 | int this_err; |
695 | int this_err; |
699 | 696 | ||
700 | pineview_clock(refclk, &clock); |
697 | pineview_clock(refclk, &clock); |
701 | if (!intel_PLL_is_valid(dev, limit, |
698 | if (!intel_PLL_is_valid(dev, limit, |
702 | &clock)) |
699 | &clock)) |
703 | continue; |
700 | continue; |
704 | if (match_clock && |
701 | if (match_clock && |
705 | clock.p != match_clock->p) |
702 | clock.p != match_clock->p) |
706 | continue; |
703 | continue; |
707 | 704 | ||
708 | this_err = abs(clock.dot - target); |
705 | this_err = abs(clock.dot - target); |
709 | if (this_err < err) { |
706 | if (this_err < err) { |
710 | *best_clock = clock; |
707 | *best_clock = clock; |
711 | err = this_err; |
708 | err = this_err; |
712 | } |
709 | } |
713 | } |
710 | } |
714 | } |
711 | } |
715 | } |
712 | } |
716 | } |
713 | } |
717 | 714 | ||
718 | return (err != target); |
715 | return (err != target); |
719 | } |
716 | } |
720 | 717 | ||
721 | static bool |
718 | static bool |
722 | g4x_find_best_dpll(const intel_limit_t *limit, struct drm_crtc *crtc, |
719 | g4x_find_best_dpll(const intel_limit_t *limit, struct intel_crtc *crtc, |
723 | int target, int refclk, intel_clock_t *match_clock, |
720 | int target, int refclk, intel_clock_t *match_clock, |
724 | intel_clock_t *best_clock) |
721 | intel_clock_t *best_clock) |
725 | { |
722 | { |
726 | struct drm_device *dev = crtc->dev; |
723 | struct drm_device *dev = crtc->base.dev; |
727 | intel_clock_t clock; |
724 | intel_clock_t clock; |
728 | int max_n; |
725 | int max_n; |
729 | bool found; |
726 | bool found; |
730 | /* approximately equals target * 0.00585 */ |
727 | /* approximately equals target * 0.00585 */ |
731 | int err_most = (target >> 8) + (target >> 9); |
728 | int err_most = (target >> 8) + (target >> 9); |
732 | found = false; |
729 | found = false; |
733 | 730 | ||
734 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { |
731 | if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_LVDS)) { |
735 | if (intel_is_dual_link_lvds(dev)) |
732 | if (intel_is_dual_link_lvds(dev)) |
736 | clock.p2 = limit->p2.p2_fast; |
733 | clock.p2 = limit->p2.p2_fast; |
737 | else |
734 | else |
738 | clock.p2 = limit->p2.p2_slow; |
735 | clock.p2 = limit->p2.p2_slow; |
739 | } else { |
736 | } else { |
740 | if (target < limit->p2.dot_limit) |
737 | if (target < limit->p2.dot_limit) |
741 | clock.p2 = limit->p2.p2_slow; |
738 | clock.p2 = limit->p2.p2_slow; |
742 | else |
739 | else |
743 | clock.p2 = limit->p2.p2_fast; |
740 | clock.p2 = limit->p2.p2_fast; |
744 | } |
741 | } |
745 | 742 | ||
746 | memset(best_clock, 0, sizeof(*best_clock)); |
743 | memset(best_clock, 0, sizeof(*best_clock)); |
747 | max_n = limit->n.max; |
744 | max_n = limit->n.max; |
748 | /* based on hardware requirement, prefer smaller n to precision */ |
745 | /* based on hardware requirement, prefer smaller n to precision */ |
749 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
746 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
750 | /* based on hardware requirement, prefere larger m1,m2 */ |
747 | /* based on hardware requirement, prefere larger m1,m2 */ |
751 | for (clock.m1 = limit->m1.max; |
748 | for (clock.m1 = limit->m1.max; |
752 | clock.m1 >= limit->m1.min; clock.m1--) { |
749 | clock.m1 >= limit->m1.min; clock.m1--) { |
753 | for (clock.m2 = limit->m2.max; |
750 | for (clock.m2 = limit->m2.max; |
754 | clock.m2 >= limit->m2.min; clock.m2--) { |
751 | clock.m2 >= limit->m2.min; clock.m2--) { |
755 | for (clock.p1 = limit->p1.max; |
752 | for (clock.p1 = limit->p1.max; |
756 | clock.p1 >= limit->p1.min; clock.p1--) { |
753 | clock.p1 >= limit->p1.min; clock.p1--) { |
757 | int this_err; |
754 | int this_err; |
758 | 755 | ||
759 | i9xx_clock(refclk, &clock); |
756 | i9xx_clock(refclk, &clock); |
760 | if (!intel_PLL_is_valid(dev, limit, |
757 | if (!intel_PLL_is_valid(dev, limit, |
761 | &clock)) |
758 | &clock)) |
762 | continue; |
759 | continue; |
763 | 760 | ||
764 | this_err = abs(clock.dot - target); |
761 | this_err = abs(clock.dot - target); |
765 | if (this_err < err_most) { |
762 | if (this_err < err_most) { |
766 | *best_clock = clock; |
763 | *best_clock = clock; |
767 | err_most = this_err; |
764 | err_most = this_err; |
768 | max_n = clock.n; |
765 | max_n = clock.n; |
769 | found = true; |
766 | found = true; |
770 | } |
767 | } |
771 | } |
768 | } |
772 | } |
769 | } |
773 | } |
770 | } |
774 | } |
771 | } |
775 | return found; |
772 | return found; |
776 | } |
773 | } |
777 | 774 | ||
778 | static bool |
775 | static bool |
779 | vlv_find_best_dpll(const intel_limit_t *limit, struct drm_crtc *crtc, |
776 | vlv_find_best_dpll(const intel_limit_t *limit, struct intel_crtc *crtc, |
780 | int target, int refclk, intel_clock_t *match_clock, |
777 | int target, int refclk, intel_clock_t *match_clock, |
781 | intel_clock_t *best_clock) |
778 | intel_clock_t *best_clock) |
782 | { |
779 | { |
783 | struct drm_device *dev = crtc->dev; |
780 | struct drm_device *dev = crtc->base.dev; |
784 | intel_clock_t clock; |
781 | intel_clock_t clock; |
785 | unsigned int bestppm = 1000000; |
782 | unsigned int bestppm = 1000000; |
786 | /* min update 19.2 MHz */ |
783 | /* min update 19.2 MHz */ |
787 | int max_n = min(limit->n.max, refclk / 19200); |
784 | int max_n = min(limit->n.max, refclk / 19200); |
788 | bool found = false; |
785 | bool found = false; |
789 | 786 | ||
790 | target *= 5; /* fast clock */ |
787 | target *= 5; /* fast clock */ |
791 | 788 | ||
792 | memset(best_clock, 0, sizeof(*best_clock)); |
789 | memset(best_clock, 0, sizeof(*best_clock)); |
793 | 790 | ||
794 | /* based on hardware requirement, prefer smaller n to precision */ |
791 | /* based on hardware requirement, prefer smaller n to precision */ |
795 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
792 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
796 | for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) { |
793 | for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) { |
797 | for (clock.p2 = limit->p2.p2_fast; clock.p2 >= limit->p2.p2_slow; |
794 | for (clock.p2 = limit->p2.p2_fast; clock.p2 >= limit->p2.p2_slow; |
798 | clock.p2 -= clock.p2 > 10 ? 2 : 1) { |
795 | clock.p2 -= clock.p2 > 10 ? 2 : 1) { |
799 | clock.p = clock.p1 * clock.p2; |
796 | clock.p = clock.p1 * clock.p2; |
800 | /* based on hardware requirement, prefer bigger m1,m2 values */ |
797 | /* based on hardware requirement, prefer bigger m1,m2 values */ |
801 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; clock.m1++) { |
798 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; clock.m1++) { |
802 | unsigned int ppm, diff; |
799 | unsigned int ppm, diff; |
803 | 800 | ||
804 | clock.m2 = DIV_ROUND_CLOSEST(target * clock.p * clock.n, |
801 | clock.m2 = DIV_ROUND_CLOSEST(target * clock.p * clock.n, |
805 | refclk * clock.m1); |
802 | refclk * clock.m1); |
806 | 803 | ||
807 | vlv_clock(refclk, &clock); |
804 | vlv_clock(refclk, &clock); |
808 | 805 | ||
809 | if (!intel_PLL_is_valid(dev, limit, |
806 | if (!intel_PLL_is_valid(dev, limit, |
810 | &clock)) |
807 | &clock)) |
811 | continue; |
808 | continue; |
812 | 809 | ||
813 | diff = abs(clock.dot - target); |
810 | diff = abs(clock.dot - target); |
814 | ppm = div_u64(1000000ULL * diff, target); |
811 | ppm = div_u64(1000000ULL * diff, target); |
815 | 812 | ||
816 | if (ppm < 100 && clock.p > best_clock->p) { |
813 | if (ppm < 100 && clock.p > best_clock->p) { |
817 | bestppm = 0; |
814 | bestppm = 0; |
818 | *best_clock = clock; |
815 | *best_clock = clock; |
819 | found = true; |
816 | found = true; |
820 | } |
817 | } |
821 | 818 | ||
822 | if (bestppm >= 10 && ppm < bestppm - 10) { |
819 | if (bestppm >= 10 && ppm < bestppm - 10) { |
823 | bestppm = ppm; |
820 | bestppm = ppm; |
824 | *best_clock = clock; |
821 | *best_clock = clock; |
825 | found = true; |
822 | found = true; |
826 | } |
823 | } |
827 | } |
824 | } |
828 | } |
825 | } |
829 | } |
826 | } |
830 | } |
827 | } |
831 | 828 | ||
832 | return found; |
829 | return found; |
833 | } |
830 | } |
834 | 831 | ||
835 | static bool |
832 | static bool |
836 | chv_find_best_dpll(const intel_limit_t *limit, struct drm_crtc *crtc, |
833 | chv_find_best_dpll(const intel_limit_t *limit, struct intel_crtc *crtc, |
837 | int target, int refclk, intel_clock_t *match_clock, |
834 | int target, int refclk, intel_clock_t *match_clock, |
838 | intel_clock_t *best_clock) |
835 | intel_clock_t *best_clock) |
839 | { |
836 | { |
840 | struct drm_device *dev = crtc->dev; |
837 | struct drm_device *dev = crtc->base.dev; |
841 | intel_clock_t clock; |
838 | intel_clock_t clock; |
842 | uint64_t m2; |
839 | uint64_t m2; |
843 | int found = false; |
840 | int found = false; |
844 | 841 | ||
845 | memset(best_clock, 0, sizeof(*best_clock)); |
842 | memset(best_clock, 0, sizeof(*best_clock)); |
846 | 843 | ||
847 | /* |
844 | /* |
848 | * Based on hardware doc, the n always set to 1, and m1 always |
845 | * Based on hardware doc, the n always set to 1, and m1 always |
849 | * set to 2. If requires to support 200Mhz refclk, we need to |
846 | * set to 2. If requires to support 200Mhz refclk, we need to |
850 | * revisit this because n may not 1 anymore. |
847 | * revisit this because n may not 1 anymore. |
851 | */ |
848 | */ |
852 | clock.n = 1, clock.m1 = 2; |
849 | clock.n = 1, clock.m1 = 2; |
853 | target *= 5; /* fast clock */ |
850 | target *= 5; /* fast clock */ |
854 | 851 | ||
855 | for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) { |
852 | for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) { |
856 | for (clock.p2 = limit->p2.p2_fast; |
853 | for (clock.p2 = limit->p2.p2_fast; |
857 | clock.p2 >= limit->p2.p2_slow; |
854 | clock.p2 >= limit->p2.p2_slow; |
858 | clock.p2 -= clock.p2 > 10 ? 2 : 1) { |
855 | clock.p2 -= clock.p2 > 10 ? 2 : 1) { |
859 | 856 | ||
860 | clock.p = clock.p1 * clock.p2; |
857 | clock.p = clock.p1 * clock.p2; |
861 | 858 | ||
862 | m2 = DIV_ROUND_CLOSEST_ULL(((uint64_t)target * clock.p * |
859 | m2 = DIV_ROUND_CLOSEST_ULL(((uint64_t)target * clock.p * |
863 | clock.n) << 22, refclk * clock.m1); |
860 | clock.n) << 22, refclk * clock.m1); |
864 | 861 | ||
865 | if (m2 > INT_MAX/clock.m1) |
862 | if (m2 > INT_MAX/clock.m1) |
866 | continue; |
863 | continue; |
867 | 864 | ||
868 | clock.m2 = m2; |
865 | clock.m2 = m2; |
869 | 866 | ||
870 | chv_clock(refclk, &clock); |
867 | chv_clock(refclk, &clock); |
871 | 868 | ||
872 | if (!intel_PLL_is_valid(dev, limit, &clock)) |
869 | if (!intel_PLL_is_valid(dev, limit, &clock)) |
873 | continue; |
870 | continue; |
874 | 871 | ||
875 | /* based on hardware requirement, prefer bigger p |
872 | /* based on hardware requirement, prefer bigger p |
876 | */ |
873 | */ |
877 | if (clock.p > best_clock->p) { |
874 | if (clock.p > best_clock->p) { |
878 | *best_clock = clock; |
875 | *best_clock = clock; |
879 | found = true; |
876 | found = true; |
880 | } |
877 | } |
881 | } |
878 | } |
882 | } |
879 | } |
883 | 880 | ||
884 | return found; |
881 | return found; |
885 | } |
882 | } |
886 | 883 | ||
887 | bool intel_crtc_active(struct drm_crtc *crtc) |
884 | bool intel_crtc_active(struct drm_crtc *crtc) |
888 | { |
885 | { |
889 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
886 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
890 | 887 | ||
891 | /* Be paranoid as we can arrive here with only partial |
888 | /* Be paranoid as we can arrive here with only partial |
892 | * state retrieved from the hardware during setup. |
889 | * state retrieved from the hardware during setup. |
893 | * |
890 | * |
894 | * We can ditch the adjusted_mode.crtc_clock check as soon |
891 | * We can ditch the adjusted_mode.crtc_clock check as soon |
895 | * as Haswell has gained clock readout/fastboot support. |
892 | * as Haswell has gained clock readout/fastboot support. |
896 | * |
893 | * |
897 | * We can ditch the crtc->primary->fb check as soon as we can |
894 | * We can ditch the crtc->primary->fb check as soon as we can |
898 | * properly reconstruct framebuffers. |
895 | * properly reconstruct framebuffers. |
899 | */ |
896 | */ |
900 | return intel_crtc->active && crtc->primary->fb && |
897 | return intel_crtc->active && crtc->primary->fb && |
901 | intel_crtc->config.adjusted_mode.crtc_clock; |
898 | intel_crtc->config.adjusted_mode.crtc_clock; |
902 | } |
899 | } |
903 | 900 | ||
904 | enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv, |
901 | enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv, |
905 | enum pipe pipe) |
902 | enum pipe pipe) |
906 | { |
903 | { |
907 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
904 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
908 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
905 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
909 | 906 | ||
910 | return intel_crtc->config.cpu_transcoder; |
907 | return intel_crtc->config.cpu_transcoder; |
911 | } |
908 | } |
912 | - | ||
913 | static void g4x_wait_for_vblank(struct drm_device *dev, int pipe) |
- | |
914 | { |
- | |
915 | struct drm_i915_private *dev_priv = dev->dev_private; |
- | |
916 | u32 frame, frame_reg = PIPE_FRMCOUNT_GM45(pipe); |
- | |
917 | - | ||
918 | frame = I915_READ(frame_reg); |
- | |
919 | - | ||
920 | if (wait_for(I915_READ_NOTRACE(frame_reg) != frame, 50)) |
- | |
921 | WARN(1, "vblank wait timed out\n"); |
- | |
922 | } |
- | |
923 | - | ||
924 | /** |
- | |
925 | * intel_wait_for_vblank - wait for vblank on a given pipe |
- | |
926 | * @dev: drm device |
- | |
927 | * @pipe: pipe to wait for |
- | |
928 | * |
- | |
929 | * Wait for vblank to occur on a given pipe. Needed for various bits of |
- | |
930 | * mode setting code. |
- | |
931 | */ |
- | |
932 | void intel_wait_for_vblank(struct drm_device *dev, int pipe) |
- | |
933 | { |
- | |
934 | struct drm_i915_private *dev_priv = dev->dev_private; |
- | |
935 | int pipestat_reg = PIPESTAT(pipe); |
- | |
936 | - | ||
937 | if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) { |
- | |
938 | g4x_wait_for_vblank(dev, pipe); |
- | |
939 | return; |
- | |
940 | } |
- | |
941 | - | ||
942 | /* Clear existing vblank status. Note this will clear any other |
- | |
943 | * sticky status fields as well. |
- | |
944 | * |
- | |
945 | * This races with i915_driver_irq_handler() with the result |
- | |
946 | * that either function could miss a vblank event. Here it is not |
- | |
947 | * fatal, as we will either wait upon the next vblank interrupt or |
- | |
948 | * timeout. Generally speaking intel_wait_for_vblank() is only |
- | |
949 | * called during modeset at which time the GPU should be idle and |
- | |
950 | * should *not* be performing page flips and thus not waiting on |
- | |
951 | * vblanks... |
- | |
952 | * Currently, the result of us stealing a vblank from the irq |
- | |
953 | * handler is that a single frame will be skipped during swapbuffers. |
- | |
954 | */ |
- | |
955 | I915_WRITE(pipestat_reg, |
- | |
956 | I915_READ(pipestat_reg) | PIPE_VBLANK_INTERRUPT_STATUS); |
- | |
957 | - | ||
958 | /* Wait for vblank interrupt bit to set */ |
- | |
959 | if (wait_for(I915_READ(pipestat_reg) & |
- | |
960 | PIPE_VBLANK_INTERRUPT_STATUS, |
- | |
961 | 50)) |
- | |
962 | DRM_DEBUG_KMS("vblank wait timed out\n"); |
- | |
963 | } |
- | |
964 | 909 | ||
965 | static bool pipe_dsl_stopped(struct drm_device *dev, enum pipe pipe) |
910 | static bool pipe_dsl_stopped(struct drm_device *dev, enum pipe pipe) |
966 | { |
911 | { |
967 | struct drm_i915_private *dev_priv = dev->dev_private; |
912 | struct drm_i915_private *dev_priv = dev->dev_private; |
968 | u32 reg = PIPEDSL(pipe); |
913 | u32 reg = PIPEDSL(pipe); |
969 | u32 line1, line2; |
914 | u32 line1, line2; |
970 | u32 line_mask; |
915 | u32 line_mask; |
971 | 916 | ||
972 | if (IS_GEN2(dev)) |
917 | if (IS_GEN2(dev)) |
973 | line_mask = DSL_LINEMASK_GEN2; |
918 | line_mask = DSL_LINEMASK_GEN2; |
974 | else |
919 | else |
975 | line_mask = DSL_LINEMASK_GEN3; |
920 | line_mask = DSL_LINEMASK_GEN3; |
976 | 921 | ||
977 | line1 = I915_READ(reg) & line_mask; |
922 | line1 = I915_READ(reg) & line_mask; |
978 | mdelay(5); |
923 | mdelay(5); |
979 | line2 = I915_READ(reg) & line_mask; |
924 | line2 = I915_READ(reg) & line_mask; |
980 | 925 | ||
981 | return line1 == line2; |
926 | return line1 == line2; |
982 | } |
927 | } |
983 | 928 | ||
984 | /* |
929 | /* |
985 | * intel_wait_for_pipe_off - wait for pipe to turn off |
930 | * intel_wait_for_pipe_off - wait for pipe to turn off |
986 | * @dev: drm device |
- | |
987 | * @pipe: pipe to wait for |
931 | * @crtc: crtc whose pipe to wait for |
988 | * |
932 | * |
989 | * After disabling a pipe, we can't wait for vblank in the usual way, |
933 | * After disabling a pipe, we can't wait for vblank in the usual way, |
990 | * spinning on the vblank interrupt status bit, since we won't actually |
934 | * spinning on the vblank interrupt status bit, since we won't actually |
991 | * see an interrupt when the pipe is disabled. |
935 | * see an interrupt when the pipe is disabled. |
992 | * |
936 | * |
993 | * On Gen4 and above: |
937 | * On Gen4 and above: |
994 | * wait for the pipe register state bit to turn off |
938 | * wait for the pipe register state bit to turn off |
995 | * |
939 | * |
996 | * Otherwise: |
940 | * Otherwise: |
997 | * wait for the display line value to settle (it usually |
941 | * wait for the display line value to settle (it usually |
998 | * ends up stopping at the start of the next frame). |
942 | * ends up stopping at the start of the next frame). |
999 | * |
943 | * |
1000 | */ |
944 | */ |
1001 | void intel_wait_for_pipe_off(struct drm_device *dev, int pipe) |
945 | static void intel_wait_for_pipe_off(struct intel_crtc *crtc) |
1002 | { |
946 | { |
- | 947 | struct drm_device *dev = crtc->base.dev; |
|
1003 | struct drm_i915_private *dev_priv = dev->dev_private; |
948 | struct drm_i915_private *dev_priv = dev->dev_private; |
1004 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
949 | enum transcoder cpu_transcoder = crtc->config.cpu_transcoder; |
1005 | pipe); |
950 | enum pipe pipe = crtc->pipe; |
1006 | 951 | ||
1007 | if (INTEL_INFO(dev)->gen >= 4) { |
952 | if (INTEL_INFO(dev)->gen >= 4) { |
1008 | int reg = PIPECONF(cpu_transcoder); |
953 | int reg = PIPECONF(cpu_transcoder); |
1009 | 954 | ||
1010 | /* Wait for the Pipe State to go off */ |
955 | /* Wait for the Pipe State to go off */ |
1011 | if (wait_for((I915_READ(reg) & I965_PIPECONF_ACTIVE) == 0, |
956 | if (wait_for((I915_READ(reg) & I965_PIPECONF_ACTIVE) == 0, |
1012 | 100)) |
957 | 100)) |
1013 | WARN(1, "pipe_off wait timed out\n"); |
958 | WARN(1, "pipe_off wait timed out\n"); |
1014 | } else { |
959 | } else { |
1015 | /* Wait for the display line to settle */ |
960 | /* Wait for the display line to settle */ |
1016 | if (wait_for(pipe_dsl_stopped(dev, pipe), 100)) |
961 | if (wait_for(pipe_dsl_stopped(dev, pipe), 100)) |
1017 | WARN(1, "pipe_off wait timed out\n"); |
962 | WARN(1, "pipe_off wait timed out\n"); |
1018 | } |
963 | } |
1019 | } |
964 | } |
1020 | 965 | ||
1021 | /* |
966 | /* |
1022 | * ibx_digital_port_connected - is the specified port connected? |
967 | * ibx_digital_port_connected - is the specified port connected? |
1023 | * @dev_priv: i915 private structure |
968 | * @dev_priv: i915 private structure |
1024 | * @port: the port to test |
969 | * @port: the port to test |
1025 | * |
970 | * |
1026 | * Returns true if @port is connected, false otherwise. |
971 | * Returns true if @port is connected, false otherwise. |
1027 | */ |
972 | */ |
1028 | bool ibx_digital_port_connected(struct drm_i915_private *dev_priv, |
973 | bool ibx_digital_port_connected(struct drm_i915_private *dev_priv, |
1029 | struct intel_digital_port *port) |
974 | struct intel_digital_port *port) |
1030 | { |
975 | { |
1031 | u32 bit; |
976 | u32 bit; |
1032 | 977 | ||
1033 | if (HAS_PCH_IBX(dev_priv->dev)) { |
978 | if (HAS_PCH_IBX(dev_priv->dev)) { |
1034 | switch (port->port) { |
979 | switch (port->port) { |
1035 | case PORT_B: |
980 | case PORT_B: |
1036 | bit = SDE_PORTB_HOTPLUG; |
981 | bit = SDE_PORTB_HOTPLUG; |
1037 | break; |
982 | break; |
1038 | case PORT_C: |
983 | case PORT_C: |
1039 | bit = SDE_PORTC_HOTPLUG; |
984 | bit = SDE_PORTC_HOTPLUG; |
1040 | break; |
985 | break; |
1041 | case PORT_D: |
986 | case PORT_D: |
1042 | bit = SDE_PORTD_HOTPLUG; |
987 | bit = SDE_PORTD_HOTPLUG; |
1043 | break; |
988 | break; |
1044 | default: |
989 | default: |
1045 | return true; |
990 | return true; |
1046 | } |
991 | } |
1047 | } else { |
992 | } else { |
1048 | switch (port->port) { |
993 | switch (port->port) { |
1049 | case PORT_B: |
994 | case PORT_B: |
1050 | bit = SDE_PORTB_HOTPLUG_CPT; |
995 | bit = SDE_PORTB_HOTPLUG_CPT; |
1051 | break; |
996 | break; |
1052 | case PORT_C: |
997 | case PORT_C: |
1053 | bit = SDE_PORTC_HOTPLUG_CPT; |
998 | bit = SDE_PORTC_HOTPLUG_CPT; |
1054 | break; |
999 | break; |
1055 | case PORT_D: |
1000 | case PORT_D: |
1056 | bit = SDE_PORTD_HOTPLUG_CPT; |
1001 | bit = SDE_PORTD_HOTPLUG_CPT; |
1057 | break; |
1002 | break; |
1058 | default: |
1003 | default: |
1059 | return true; |
1004 | return true; |
1060 | } |
1005 | } |
1061 | } |
1006 | } |
1062 | 1007 | ||
1063 | return I915_READ(SDEISR) & bit; |
1008 | return I915_READ(SDEISR) & bit; |
1064 | } |
1009 | } |
1065 | 1010 | ||
1066 | static const char *state_string(bool enabled) |
1011 | static const char *state_string(bool enabled) |
1067 | { |
1012 | { |
1068 | return enabled ? "on" : "off"; |
1013 | return enabled ? "on" : "off"; |
1069 | } |
1014 | } |
1070 | 1015 | ||
1071 | /* Only for pre-ILK configs */ |
1016 | /* Only for pre-ILK configs */ |
1072 | void assert_pll(struct drm_i915_private *dev_priv, |
1017 | void assert_pll(struct drm_i915_private *dev_priv, |
1073 | enum pipe pipe, bool state) |
1018 | enum pipe pipe, bool state) |
1074 | { |
1019 | { |
1075 | int reg; |
1020 | int reg; |
1076 | u32 val; |
1021 | u32 val; |
1077 | bool cur_state; |
1022 | bool cur_state; |
1078 | 1023 | ||
1079 | reg = DPLL(pipe); |
1024 | reg = DPLL(pipe); |
1080 | val = I915_READ(reg); |
1025 | val = I915_READ(reg); |
1081 | cur_state = !!(val & DPLL_VCO_ENABLE); |
1026 | cur_state = !!(val & DPLL_VCO_ENABLE); |
1082 | WARN(cur_state != state, |
1027 | WARN(cur_state != state, |
1083 | "PLL state assertion failure (expected %s, current %s)\n", |
1028 | "PLL state assertion failure (expected %s, current %s)\n", |
1084 | state_string(state), state_string(cur_state)); |
1029 | state_string(state), state_string(cur_state)); |
1085 | } |
1030 | } |
1086 | 1031 | ||
1087 | /* XXX: the dsi pll is shared between MIPI DSI ports */ |
1032 | /* XXX: the dsi pll is shared between MIPI DSI ports */ |
1088 | static void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state) |
1033 | static void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state) |
1089 | { |
1034 | { |
1090 | u32 val; |
1035 | u32 val; |
1091 | bool cur_state; |
1036 | bool cur_state; |
1092 | 1037 | ||
1093 | mutex_lock(&dev_priv->dpio_lock); |
1038 | mutex_lock(&dev_priv->dpio_lock); |
1094 | val = vlv_cck_read(dev_priv, CCK_REG_DSI_PLL_CONTROL); |
1039 | val = vlv_cck_read(dev_priv, CCK_REG_DSI_PLL_CONTROL); |
1095 | mutex_unlock(&dev_priv->dpio_lock); |
1040 | mutex_unlock(&dev_priv->dpio_lock); |
1096 | 1041 | ||
1097 | cur_state = val & DSI_PLL_VCO_EN; |
1042 | cur_state = val & DSI_PLL_VCO_EN; |
1098 | WARN(cur_state != state, |
1043 | WARN(cur_state != state, |
1099 | "DSI PLL state assertion failure (expected %s, current %s)\n", |
1044 | "DSI PLL state assertion failure (expected %s, current %s)\n", |
1100 | state_string(state), state_string(cur_state)); |
1045 | state_string(state), state_string(cur_state)); |
1101 | } |
1046 | } |
1102 | #define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true) |
1047 | #define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true) |
1103 | #define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false) |
1048 | #define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false) |
1104 | 1049 | ||
1105 | struct intel_shared_dpll * |
1050 | struct intel_shared_dpll * |
1106 | intel_crtc_to_shared_dpll(struct intel_crtc *crtc) |
1051 | intel_crtc_to_shared_dpll(struct intel_crtc *crtc) |
1107 | { |
1052 | { |
1108 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
1053 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
1109 | 1054 | ||
1110 | if (crtc->config.shared_dpll < 0) |
1055 | if (crtc->config.shared_dpll < 0) |
1111 | return NULL; |
1056 | return NULL; |
1112 | 1057 | ||
1113 | return &dev_priv->shared_dplls[crtc->config.shared_dpll]; |
1058 | return &dev_priv->shared_dplls[crtc->config.shared_dpll]; |
1114 | } |
1059 | } |
1115 | 1060 | ||
1116 | /* For ILK+ */ |
1061 | /* For ILK+ */ |
1117 | void assert_shared_dpll(struct drm_i915_private *dev_priv, |
1062 | void assert_shared_dpll(struct drm_i915_private *dev_priv, |
1118 | struct intel_shared_dpll *pll, |
1063 | struct intel_shared_dpll *pll, |
1119 | bool state) |
1064 | bool state) |
1120 | { |
1065 | { |
1121 | bool cur_state; |
1066 | bool cur_state; |
1122 | struct intel_dpll_hw_state hw_state; |
1067 | struct intel_dpll_hw_state hw_state; |
1123 | 1068 | ||
1124 | if (WARN (!pll, |
1069 | if (WARN (!pll, |
1125 | "asserting DPLL %s with no DPLL\n", state_string(state))) |
1070 | "asserting DPLL %s with no DPLL\n", state_string(state))) |
1126 | return; |
1071 | return; |
1127 | 1072 | ||
1128 | cur_state = pll->get_hw_state(dev_priv, pll, &hw_state); |
1073 | cur_state = pll->get_hw_state(dev_priv, pll, &hw_state); |
1129 | WARN(cur_state != state, |
1074 | WARN(cur_state != state, |
1130 | "%s assertion failure (expected %s, current %s)\n", |
1075 | "%s assertion failure (expected %s, current %s)\n", |
1131 | pll->name, state_string(state), state_string(cur_state)); |
1076 | pll->name, state_string(state), state_string(cur_state)); |
1132 | } |
1077 | } |
1133 | 1078 | ||
1134 | static void assert_fdi_tx(struct drm_i915_private *dev_priv, |
1079 | static void assert_fdi_tx(struct drm_i915_private *dev_priv, |
1135 | enum pipe pipe, bool state) |
1080 | enum pipe pipe, bool state) |
1136 | { |
1081 | { |
1137 | int reg; |
1082 | int reg; |
1138 | u32 val; |
1083 | u32 val; |
1139 | bool cur_state; |
1084 | bool cur_state; |
1140 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1085 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1141 | pipe); |
1086 | pipe); |
1142 | 1087 | ||
1143 | if (HAS_DDI(dev_priv->dev)) { |
1088 | if (HAS_DDI(dev_priv->dev)) { |
1144 | /* DDI does not have a specific FDI_TX register */ |
1089 | /* DDI does not have a specific FDI_TX register */ |
1145 | reg = TRANS_DDI_FUNC_CTL(cpu_transcoder); |
1090 | reg = TRANS_DDI_FUNC_CTL(cpu_transcoder); |
1146 | val = I915_READ(reg); |
1091 | val = I915_READ(reg); |
1147 | cur_state = !!(val & TRANS_DDI_FUNC_ENABLE); |
1092 | cur_state = !!(val & TRANS_DDI_FUNC_ENABLE); |
1148 | } else { |
1093 | } else { |
1149 | reg = FDI_TX_CTL(pipe); |
1094 | reg = FDI_TX_CTL(pipe); |
1150 | val = I915_READ(reg); |
1095 | val = I915_READ(reg); |
1151 | cur_state = !!(val & FDI_TX_ENABLE); |
1096 | cur_state = !!(val & FDI_TX_ENABLE); |
1152 | } |
1097 | } |
1153 | WARN(cur_state != state, |
1098 | WARN(cur_state != state, |
1154 | "FDI TX state assertion failure (expected %s, current %s)\n", |
1099 | "FDI TX state assertion failure (expected %s, current %s)\n", |
1155 | state_string(state), state_string(cur_state)); |
1100 | state_string(state), state_string(cur_state)); |
1156 | } |
1101 | } |
1157 | #define assert_fdi_tx_enabled(d, p) assert_fdi_tx(d, p, true) |
1102 | #define assert_fdi_tx_enabled(d, p) assert_fdi_tx(d, p, true) |
1158 | #define assert_fdi_tx_disabled(d, p) assert_fdi_tx(d, p, false) |
1103 | #define assert_fdi_tx_disabled(d, p) assert_fdi_tx(d, p, false) |
1159 | 1104 | ||
1160 | static void assert_fdi_rx(struct drm_i915_private *dev_priv, |
1105 | static void assert_fdi_rx(struct drm_i915_private *dev_priv, |
1161 | enum pipe pipe, bool state) |
1106 | enum pipe pipe, bool state) |
1162 | { |
1107 | { |
1163 | int reg; |
1108 | int reg; |
1164 | u32 val; |
1109 | u32 val; |
1165 | bool cur_state; |
1110 | bool cur_state; |
1166 | 1111 | ||
1167 | reg = FDI_RX_CTL(pipe); |
1112 | reg = FDI_RX_CTL(pipe); |
1168 | val = I915_READ(reg); |
1113 | val = I915_READ(reg); |
1169 | cur_state = !!(val & FDI_RX_ENABLE); |
1114 | cur_state = !!(val & FDI_RX_ENABLE); |
1170 | WARN(cur_state != state, |
1115 | WARN(cur_state != state, |
1171 | "FDI RX state assertion failure (expected %s, current %s)\n", |
1116 | "FDI RX state assertion failure (expected %s, current %s)\n", |
1172 | state_string(state), state_string(cur_state)); |
1117 | state_string(state), state_string(cur_state)); |
1173 | } |
1118 | } |
1174 | #define assert_fdi_rx_enabled(d, p) assert_fdi_rx(d, p, true) |
1119 | #define assert_fdi_rx_enabled(d, p) assert_fdi_rx(d, p, true) |
1175 | #define assert_fdi_rx_disabled(d, p) assert_fdi_rx(d, p, false) |
1120 | #define assert_fdi_rx_disabled(d, p) assert_fdi_rx(d, p, false) |
1176 | 1121 | ||
1177 | static void assert_fdi_tx_pll_enabled(struct drm_i915_private *dev_priv, |
1122 | static void assert_fdi_tx_pll_enabled(struct drm_i915_private *dev_priv, |
1178 | enum pipe pipe) |
1123 | enum pipe pipe) |
1179 | { |
1124 | { |
1180 | int reg; |
1125 | int reg; |
1181 | u32 val; |
1126 | u32 val; |
1182 | 1127 | ||
1183 | /* ILK FDI PLL is always enabled */ |
1128 | /* ILK FDI PLL is always enabled */ |
1184 | if (INTEL_INFO(dev_priv->dev)->gen == 5) |
1129 | if (INTEL_INFO(dev_priv->dev)->gen == 5) |
1185 | return; |
1130 | return; |
1186 | 1131 | ||
1187 | /* On Haswell, DDI ports are responsible for the FDI PLL setup */ |
1132 | /* On Haswell, DDI ports are responsible for the FDI PLL setup */ |
1188 | if (HAS_DDI(dev_priv->dev)) |
1133 | if (HAS_DDI(dev_priv->dev)) |
1189 | return; |
1134 | return; |
1190 | 1135 | ||
1191 | reg = FDI_TX_CTL(pipe); |
1136 | reg = FDI_TX_CTL(pipe); |
1192 | val = I915_READ(reg); |
1137 | val = I915_READ(reg); |
1193 | WARN(!(val & FDI_TX_PLL_ENABLE), "FDI TX PLL assertion failure, should be active but is disabled\n"); |
1138 | WARN(!(val & FDI_TX_PLL_ENABLE), "FDI TX PLL assertion failure, should be active but is disabled\n"); |
1194 | } |
1139 | } |
1195 | 1140 | ||
1196 | void assert_fdi_rx_pll(struct drm_i915_private *dev_priv, |
1141 | void assert_fdi_rx_pll(struct drm_i915_private *dev_priv, |
1197 | enum pipe pipe, bool state) |
1142 | enum pipe pipe, bool state) |
1198 | { |
1143 | { |
1199 | int reg; |
1144 | int reg; |
1200 | u32 val; |
1145 | u32 val; |
1201 | bool cur_state; |
1146 | bool cur_state; |
1202 | 1147 | ||
1203 | reg = FDI_RX_CTL(pipe); |
1148 | reg = FDI_RX_CTL(pipe); |
1204 | val = I915_READ(reg); |
1149 | val = I915_READ(reg); |
1205 | cur_state = !!(val & FDI_RX_PLL_ENABLE); |
1150 | cur_state = !!(val & FDI_RX_PLL_ENABLE); |
1206 | WARN(cur_state != state, |
1151 | WARN(cur_state != state, |
1207 | "FDI RX PLL assertion failure (expected %s, current %s)\n", |
1152 | "FDI RX PLL assertion failure (expected %s, current %s)\n", |
1208 | state_string(state), state_string(cur_state)); |
1153 | state_string(state), state_string(cur_state)); |
1209 | } |
1154 | } |
1210 | 1155 | ||
1211 | static void assert_panel_unlocked(struct drm_i915_private *dev_priv, |
1156 | void assert_panel_unlocked(struct drm_i915_private *dev_priv, |
1212 | enum pipe pipe) |
1157 | enum pipe pipe) |
- | 1158 | { |
|
1213 | { |
1159 | struct drm_device *dev = dev_priv->dev; |
1214 | int pp_reg, lvds_reg; |
1160 | int pp_reg; |
1215 | u32 val; |
1161 | u32 val; |
1216 | enum pipe panel_pipe = PIPE_A; |
1162 | enum pipe panel_pipe = PIPE_A; |
1217 | bool locked = true; |
1163 | bool locked = true; |
- | 1164 | ||
- | 1165 | if (WARN_ON(HAS_DDI(dev))) |
|
- | 1166 | return; |
|
1218 | 1167 | ||
- | 1168 | if (HAS_PCH_SPLIT(dev)) { |
|
- | 1169 | u32 port_sel; |
|
1219 | if (HAS_PCH_SPLIT(dev_priv->dev)) { |
1170 | |
- | 1171 | pp_reg = PCH_PP_CONTROL; |
|
- | 1172 | port_sel = I915_READ(PCH_PP_ON_DELAYS) & PANEL_PORT_SELECT_MASK; |
|
- | 1173 | ||
- | 1174 | if (port_sel == PANEL_PORT_SELECT_LVDS && |
|
1220 | pp_reg = PCH_PP_CONTROL; |
1175 | I915_READ(PCH_LVDS) & LVDS_PIPEB_SELECT) |
- | 1176 | panel_pipe = PIPE_B; |
|
- | 1177 | /* XXX: else fix for eDP */ |
|
- | 1178 | } else if (IS_VALLEYVIEW(dev)) { |
|
- | 1179 | /* presumably write lock depends on pipe, not port select */ |
|
- | 1180 | pp_reg = VLV_PIPE_PP_CONTROL(pipe); |
|
1221 | lvds_reg = PCH_LVDS; |
1181 | panel_pipe = pipe; |
1222 | } else { |
1182 | } else { |
- | 1183 | pp_reg = PP_CONTROL; |
|
1223 | pp_reg = PP_CONTROL; |
1184 | if (I915_READ(LVDS) & LVDS_PIPEB_SELECT) |
1224 | lvds_reg = LVDS; |
1185 | panel_pipe = PIPE_B; |
1225 | } |
1186 | } |
1226 | 1187 | ||
1227 | val = I915_READ(pp_reg); |
1188 | val = I915_READ(pp_reg); |
1228 | if (!(val & PANEL_POWER_ON) || |
1189 | if (!(val & PANEL_POWER_ON) || |
1229 | ((val & PANEL_UNLOCK_REGS) == PANEL_UNLOCK_REGS)) |
1190 | ((val & PANEL_UNLOCK_MASK) == PANEL_UNLOCK_REGS)) |
1230 | locked = false; |
1191 | locked = false; |
1231 | - | ||
1232 | if (I915_READ(lvds_reg) & LVDS_PIPEB_SELECT) |
- | |
1233 | panel_pipe = PIPE_B; |
- | |
1234 | 1192 | ||
1235 | WARN(panel_pipe == pipe && locked, |
1193 | WARN(panel_pipe == pipe && locked, |
1236 | "panel assertion failure, pipe %c regs locked\n", |
1194 | "panel assertion failure, pipe %c regs locked\n", |
1237 | pipe_name(pipe)); |
1195 | pipe_name(pipe)); |
1238 | } |
1196 | } |
1239 | 1197 | ||
1240 | static void assert_cursor(struct drm_i915_private *dev_priv, |
1198 | static void assert_cursor(struct drm_i915_private *dev_priv, |
1241 | enum pipe pipe, bool state) |
1199 | enum pipe pipe, bool state) |
1242 | { |
1200 | { |
1243 | struct drm_device *dev = dev_priv->dev; |
1201 | struct drm_device *dev = dev_priv->dev; |
1244 | bool cur_state; |
1202 | bool cur_state; |
1245 | 1203 | ||
1246 | if (IS_845G(dev) || IS_I865G(dev)) |
1204 | if (IS_845G(dev) || IS_I865G(dev)) |
1247 | cur_state = I915_READ(_CURACNTR) & CURSOR_ENABLE; |
1205 | cur_state = I915_READ(_CURACNTR) & CURSOR_ENABLE; |
1248 | else |
1206 | else |
1249 | cur_state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; |
1207 | cur_state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; |
1250 | 1208 | ||
1251 | WARN(cur_state != state, |
1209 | WARN(cur_state != state, |
1252 | "cursor on pipe %c assertion failure (expected %s, current %s)\n", |
1210 | "cursor on pipe %c assertion failure (expected %s, current %s)\n", |
1253 | pipe_name(pipe), state_string(state), state_string(cur_state)); |
1211 | pipe_name(pipe), state_string(state), state_string(cur_state)); |
1254 | } |
1212 | } |
1255 | #define assert_cursor_enabled(d, p) assert_cursor(d, p, true) |
1213 | #define assert_cursor_enabled(d, p) assert_cursor(d, p, true) |
1256 | #define assert_cursor_disabled(d, p) assert_cursor(d, p, false) |
1214 | #define assert_cursor_disabled(d, p) assert_cursor(d, p, false) |
1257 | 1215 | ||
1258 | void assert_pipe(struct drm_i915_private *dev_priv, |
1216 | void assert_pipe(struct drm_i915_private *dev_priv, |
1259 | enum pipe pipe, bool state) |
1217 | enum pipe pipe, bool state) |
1260 | { |
1218 | { |
1261 | int reg; |
1219 | int reg; |
1262 | u32 val; |
1220 | u32 val; |
1263 | bool cur_state; |
1221 | bool cur_state; |
1264 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1222 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1265 | pipe); |
1223 | pipe); |
1266 | 1224 | ||
1267 | /* if we need the pipe A quirk it must be always on */ |
1225 | /* if we need the pipe quirk it must be always on */ |
- | 1226 | if ((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
|
1268 | if (pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) |
1227 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) |
1269 | state = true; |
1228 | state = true; |
1270 | 1229 | ||
1271 | if (!intel_display_power_enabled(dev_priv, |
1230 | if (!intel_display_power_is_enabled(dev_priv, |
1272 | POWER_DOMAIN_TRANSCODER(cpu_transcoder))) { |
1231 | POWER_DOMAIN_TRANSCODER(cpu_transcoder))) { |
1273 | cur_state = false; |
1232 | cur_state = false; |
1274 | } else { |
1233 | } else { |
1275 | reg = PIPECONF(cpu_transcoder); |
1234 | reg = PIPECONF(cpu_transcoder); |
1276 | val = I915_READ(reg); |
1235 | val = I915_READ(reg); |
1277 | cur_state = !!(val & PIPECONF_ENABLE); |
1236 | cur_state = !!(val & PIPECONF_ENABLE); |
1278 | } |
1237 | } |
1279 | 1238 | ||
1280 | WARN(cur_state != state, |
1239 | WARN(cur_state != state, |
1281 | "pipe %c assertion failure (expected %s, current %s)\n", |
1240 | "pipe %c assertion failure (expected %s, current %s)\n", |
1282 | pipe_name(pipe), state_string(state), state_string(cur_state)); |
1241 | pipe_name(pipe), state_string(state), state_string(cur_state)); |
1283 | } |
1242 | } |
1284 | 1243 | ||
1285 | static void assert_plane(struct drm_i915_private *dev_priv, |
1244 | static void assert_plane(struct drm_i915_private *dev_priv, |
1286 | enum plane plane, bool state) |
1245 | enum plane plane, bool state) |
1287 | { |
1246 | { |
1288 | int reg; |
1247 | int reg; |
1289 | u32 val; |
1248 | u32 val; |
1290 | bool cur_state; |
1249 | bool cur_state; |
1291 | 1250 | ||
1292 | reg = DSPCNTR(plane); |
1251 | reg = DSPCNTR(plane); |
1293 | val = I915_READ(reg); |
1252 | val = I915_READ(reg); |
1294 | cur_state = !!(val & DISPLAY_PLANE_ENABLE); |
1253 | cur_state = !!(val & DISPLAY_PLANE_ENABLE); |
1295 | WARN(cur_state != state, |
1254 | WARN(cur_state != state, |
1296 | "plane %c assertion failure (expected %s, current %s)\n", |
1255 | "plane %c assertion failure (expected %s, current %s)\n", |
1297 | plane_name(plane), state_string(state), state_string(cur_state)); |
1256 | plane_name(plane), state_string(state), state_string(cur_state)); |
1298 | } |
1257 | } |
1299 | 1258 | ||
1300 | #define assert_plane_enabled(d, p) assert_plane(d, p, true) |
1259 | #define assert_plane_enabled(d, p) assert_plane(d, p, true) |
1301 | #define assert_plane_disabled(d, p) assert_plane(d, p, false) |
1260 | #define assert_plane_disabled(d, p) assert_plane(d, p, false) |
1302 | 1261 | ||
1303 | static void assert_planes_disabled(struct drm_i915_private *dev_priv, |
1262 | static void assert_planes_disabled(struct drm_i915_private *dev_priv, |
1304 | enum pipe pipe) |
1263 | enum pipe pipe) |
1305 | { |
1264 | { |
1306 | struct drm_device *dev = dev_priv->dev; |
1265 | struct drm_device *dev = dev_priv->dev; |
1307 | int reg, i; |
1266 | int reg, i; |
1308 | u32 val; |
1267 | u32 val; |
1309 | int cur_pipe; |
1268 | int cur_pipe; |
1310 | 1269 | ||
1311 | /* Primary planes are fixed to pipes on gen4+ */ |
1270 | /* Primary planes are fixed to pipes on gen4+ */ |
1312 | if (INTEL_INFO(dev)->gen >= 4) { |
1271 | if (INTEL_INFO(dev)->gen >= 4) { |
1313 | reg = DSPCNTR(pipe); |
1272 | reg = DSPCNTR(pipe); |
1314 | val = I915_READ(reg); |
1273 | val = I915_READ(reg); |
1315 | WARN(val & DISPLAY_PLANE_ENABLE, |
1274 | WARN(val & DISPLAY_PLANE_ENABLE, |
1316 | "plane %c assertion failure, should be disabled but not\n", |
1275 | "plane %c assertion failure, should be disabled but not\n", |
1317 | plane_name(pipe)); |
1276 | plane_name(pipe)); |
1318 | return; |
1277 | return; |
1319 | } |
1278 | } |
1320 | 1279 | ||
1321 | /* Need to check both planes against the pipe */ |
1280 | /* Need to check both planes against the pipe */ |
1322 | for_each_pipe(i) { |
1281 | for_each_pipe(dev_priv, i) { |
1323 | reg = DSPCNTR(i); |
1282 | reg = DSPCNTR(i); |
1324 | val = I915_READ(reg); |
1283 | val = I915_READ(reg); |
1325 | cur_pipe = (val & DISPPLANE_SEL_PIPE_MASK) >> |
1284 | cur_pipe = (val & DISPPLANE_SEL_PIPE_MASK) >> |
1326 | DISPPLANE_SEL_PIPE_SHIFT; |
1285 | DISPPLANE_SEL_PIPE_SHIFT; |
1327 | WARN((val & DISPLAY_PLANE_ENABLE) && pipe == cur_pipe, |
1286 | WARN((val & DISPLAY_PLANE_ENABLE) && pipe == cur_pipe, |
1328 | "plane %c assertion failure, should be off on pipe %c but is still active\n", |
1287 | "plane %c assertion failure, should be off on pipe %c but is still active\n", |
1329 | plane_name(i), pipe_name(pipe)); |
1288 | plane_name(i), pipe_name(pipe)); |
1330 | } |
1289 | } |
1331 | } |
1290 | } |
1332 | 1291 | ||
1333 | static void assert_sprites_disabled(struct drm_i915_private *dev_priv, |
1292 | static void assert_sprites_disabled(struct drm_i915_private *dev_priv, |
1334 | enum pipe pipe) |
1293 | enum pipe pipe) |
1335 | { |
1294 | { |
1336 | struct drm_device *dev = dev_priv->dev; |
1295 | struct drm_device *dev = dev_priv->dev; |
1337 | int reg, sprite; |
1296 | int reg, sprite; |
1338 | u32 val; |
1297 | u32 val; |
- | 1298 | ||
- | 1299 | if (INTEL_INFO(dev)->gen >= 9) { |
|
- | 1300 | for_each_sprite(pipe, sprite) { |
|
- | 1301 | val = I915_READ(PLANE_CTL(pipe, sprite)); |
|
- | 1302 | WARN(val & PLANE_CTL_ENABLE, |
|
- | 1303 | "plane %d assertion failure, should be off on pipe %c but is still active\n", |
|
- | 1304 | sprite, pipe_name(pipe)); |
|
1339 | 1305 | } |
|
1340 | if (IS_VALLEYVIEW(dev)) { |
1306 | } else if (IS_VALLEYVIEW(dev)) { |
1341 | for_each_sprite(pipe, sprite) { |
1307 | for_each_sprite(pipe, sprite) { |
1342 | reg = SPCNTR(pipe, sprite); |
1308 | reg = SPCNTR(pipe, sprite); |
1343 | val = I915_READ(reg); |
1309 | val = I915_READ(reg); |
1344 | WARN(val & SP_ENABLE, |
1310 | WARN(val & SP_ENABLE, |
1345 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
1311 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
1346 | sprite_name(pipe, sprite), pipe_name(pipe)); |
1312 | sprite_name(pipe, sprite), pipe_name(pipe)); |
1347 | } |
1313 | } |
1348 | } else if (INTEL_INFO(dev)->gen >= 7) { |
1314 | } else if (INTEL_INFO(dev)->gen >= 7) { |
1349 | reg = SPRCTL(pipe); |
1315 | reg = SPRCTL(pipe); |
1350 | val = I915_READ(reg); |
1316 | val = I915_READ(reg); |
1351 | WARN(val & SPRITE_ENABLE, |
1317 | WARN(val & SPRITE_ENABLE, |
1352 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
1318 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
1353 | plane_name(pipe), pipe_name(pipe)); |
1319 | plane_name(pipe), pipe_name(pipe)); |
1354 | } else if (INTEL_INFO(dev)->gen >= 5) { |
1320 | } else if (INTEL_INFO(dev)->gen >= 5) { |
1355 | reg = DVSCNTR(pipe); |
1321 | reg = DVSCNTR(pipe); |
1356 | val = I915_READ(reg); |
1322 | val = I915_READ(reg); |
1357 | WARN(val & DVS_ENABLE, |
1323 | WARN(val & DVS_ENABLE, |
1358 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
1324 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
1359 | plane_name(pipe), pipe_name(pipe)); |
1325 | plane_name(pipe), pipe_name(pipe)); |
1360 | } |
1326 | } |
1361 | } |
1327 | } |
- | 1328 | ||
- | 1329 | static void assert_vblank_disabled(struct drm_crtc *crtc) |
|
- | 1330 | { |
|
- | 1331 | if (WARN_ON(drm_crtc_vblank_get(crtc) == 0)) |
|
- | 1332 | drm_crtc_vblank_put(crtc); |
|
- | 1333 | } |
|
1362 | 1334 | ||
1363 | static void ibx_assert_pch_refclk_enabled(struct drm_i915_private *dev_priv) |
1335 | static void ibx_assert_pch_refclk_enabled(struct drm_i915_private *dev_priv) |
1364 | { |
1336 | { |
1365 | u32 val; |
1337 | u32 val; |
1366 | bool enabled; |
1338 | bool enabled; |
1367 | 1339 | ||
1368 | WARN_ON(!(HAS_PCH_IBX(dev_priv->dev) || HAS_PCH_CPT(dev_priv->dev))); |
1340 | WARN_ON(!(HAS_PCH_IBX(dev_priv->dev) || HAS_PCH_CPT(dev_priv->dev))); |
1369 | 1341 | ||
1370 | val = I915_READ(PCH_DREF_CONTROL); |
1342 | val = I915_READ(PCH_DREF_CONTROL); |
1371 | enabled = !!(val & (DREF_SSC_SOURCE_MASK | DREF_NONSPREAD_SOURCE_MASK | |
1343 | enabled = !!(val & (DREF_SSC_SOURCE_MASK | DREF_NONSPREAD_SOURCE_MASK | |
1372 | DREF_SUPERSPREAD_SOURCE_MASK)); |
1344 | DREF_SUPERSPREAD_SOURCE_MASK)); |
1373 | WARN(!enabled, "PCH refclk assertion failure, should be active but is disabled\n"); |
1345 | WARN(!enabled, "PCH refclk assertion failure, should be active but is disabled\n"); |
1374 | } |
1346 | } |
1375 | 1347 | ||
1376 | static void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv, |
1348 | static void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv, |
1377 | enum pipe pipe) |
1349 | enum pipe pipe) |
1378 | { |
1350 | { |
1379 | int reg; |
1351 | int reg; |
1380 | u32 val; |
1352 | u32 val; |
1381 | bool enabled; |
1353 | bool enabled; |
1382 | 1354 | ||
1383 | reg = PCH_TRANSCONF(pipe); |
1355 | reg = PCH_TRANSCONF(pipe); |
1384 | val = I915_READ(reg); |
1356 | val = I915_READ(reg); |
1385 | enabled = !!(val & TRANS_ENABLE); |
1357 | enabled = !!(val & TRANS_ENABLE); |
1386 | WARN(enabled, |
1358 | WARN(enabled, |
1387 | "transcoder assertion failed, should be off on pipe %c but is still active\n", |
1359 | "transcoder assertion failed, should be off on pipe %c but is still active\n", |
1388 | pipe_name(pipe)); |
1360 | pipe_name(pipe)); |
1389 | } |
1361 | } |
1390 | 1362 | ||
1391 | static bool dp_pipe_enabled(struct drm_i915_private *dev_priv, |
1363 | static bool dp_pipe_enabled(struct drm_i915_private *dev_priv, |
1392 | enum pipe pipe, u32 port_sel, u32 val) |
1364 | enum pipe pipe, u32 port_sel, u32 val) |
1393 | { |
1365 | { |
1394 | if ((val & DP_PORT_EN) == 0) |
1366 | if ((val & DP_PORT_EN) == 0) |
1395 | return false; |
1367 | return false; |
1396 | 1368 | ||
1397 | if (HAS_PCH_CPT(dev_priv->dev)) { |
1369 | if (HAS_PCH_CPT(dev_priv->dev)) { |
1398 | u32 trans_dp_ctl_reg = TRANS_DP_CTL(pipe); |
1370 | u32 trans_dp_ctl_reg = TRANS_DP_CTL(pipe); |
1399 | u32 trans_dp_ctl = I915_READ(trans_dp_ctl_reg); |
1371 | u32 trans_dp_ctl = I915_READ(trans_dp_ctl_reg); |
1400 | if ((trans_dp_ctl & TRANS_DP_PORT_SEL_MASK) != port_sel) |
1372 | if ((trans_dp_ctl & TRANS_DP_PORT_SEL_MASK) != port_sel) |
1401 | return false; |
1373 | return false; |
1402 | } else if (IS_CHERRYVIEW(dev_priv->dev)) { |
1374 | } else if (IS_CHERRYVIEW(dev_priv->dev)) { |
1403 | if ((val & DP_PIPE_MASK_CHV) != DP_PIPE_SELECT_CHV(pipe)) |
1375 | if ((val & DP_PIPE_MASK_CHV) != DP_PIPE_SELECT_CHV(pipe)) |
1404 | return false; |
1376 | return false; |
1405 | } else { |
1377 | } else { |
1406 | if ((val & DP_PIPE_MASK) != (pipe << 30)) |
1378 | if ((val & DP_PIPE_MASK) != (pipe << 30)) |
1407 | return false; |
1379 | return false; |
1408 | } |
1380 | } |
1409 | return true; |
1381 | return true; |
1410 | } |
1382 | } |
1411 | 1383 | ||
1412 | static bool hdmi_pipe_enabled(struct drm_i915_private *dev_priv, |
1384 | static bool hdmi_pipe_enabled(struct drm_i915_private *dev_priv, |
1413 | enum pipe pipe, u32 val) |
1385 | enum pipe pipe, u32 val) |
1414 | { |
1386 | { |
1415 | if ((val & SDVO_ENABLE) == 0) |
1387 | if ((val & SDVO_ENABLE) == 0) |
1416 | return false; |
1388 | return false; |
1417 | 1389 | ||
1418 | if (HAS_PCH_CPT(dev_priv->dev)) { |
1390 | if (HAS_PCH_CPT(dev_priv->dev)) { |
1419 | if ((val & SDVO_PIPE_SEL_MASK_CPT) != SDVO_PIPE_SEL_CPT(pipe)) |
1391 | if ((val & SDVO_PIPE_SEL_MASK_CPT) != SDVO_PIPE_SEL_CPT(pipe)) |
1420 | return false; |
1392 | return false; |
1421 | } else if (IS_CHERRYVIEW(dev_priv->dev)) { |
1393 | } else if (IS_CHERRYVIEW(dev_priv->dev)) { |
1422 | if ((val & SDVO_PIPE_SEL_MASK_CHV) != SDVO_PIPE_SEL_CHV(pipe)) |
1394 | if ((val & SDVO_PIPE_SEL_MASK_CHV) != SDVO_PIPE_SEL_CHV(pipe)) |
1423 | return false; |
1395 | return false; |
1424 | } else { |
1396 | } else { |
1425 | if ((val & SDVO_PIPE_SEL_MASK) != SDVO_PIPE_SEL(pipe)) |
1397 | if ((val & SDVO_PIPE_SEL_MASK) != SDVO_PIPE_SEL(pipe)) |
1426 | return false; |
1398 | return false; |
1427 | } |
1399 | } |
1428 | return true; |
1400 | return true; |
1429 | } |
1401 | } |
1430 | 1402 | ||
1431 | static bool lvds_pipe_enabled(struct drm_i915_private *dev_priv, |
1403 | static bool lvds_pipe_enabled(struct drm_i915_private *dev_priv, |
1432 | enum pipe pipe, u32 val) |
1404 | enum pipe pipe, u32 val) |
1433 | { |
1405 | { |
1434 | if ((val & LVDS_PORT_EN) == 0) |
1406 | if ((val & LVDS_PORT_EN) == 0) |
1435 | return false; |
1407 | return false; |
1436 | 1408 | ||
1437 | if (HAS_PCH_CPT(dev_priv->dev)) { |
1409 | if (HAS_PCH_CPT(dev_priv->dev)) { |
1438 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) |
1410 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) |
1439 | return false; |
1411 | return false; |
1440 | } else { |
1412 | } else { |
1441 | if ((val & LVDS_PIPE_MASK) != LVDS_PIPE(pipe)) |
1413 | if ((val & LVDS_PIPE_MASK) != LVDS_PIPE(pipe)) |
1442 | return false; |
1414 | return false; |
1443 | } |
1415 | } |
1444 | return true; |
1416 | return true; |
1445 | } |
1417 | } |
1446 | 1418 | ||
1447 | static bool adpa_pipe_enabled(struct drm_i915_private *dev_priv, |
1419 | static bool adpa_pipe_enabled(struct drm_i915_private *dev_priv, |
1448 | enum pipe pipe, u32 val) |
1420 | enum pipe pipe, u32 val) |
1449 | { |
1421 | { |
1450 | if ((val & ADPA_DAC_ENABLE) == 0) |
1422 | if ((val & ADPA_DAC_ENABLE) == 0) |
1451 | return false; |
1423 | return false; |
1452 | if (HAS_PCH_CPT(dev_priv->dev)) { |
1424 | if (HAS_PCH_CPT(dev_priv->dev)) { |
1453 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) |
1425 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) |
1454 | return false; |
1426 | return false; |
1455 | } else { |
1427 | } else { |
1456 | if ((val & ADPA_PIPE_SELECT_MASK) != ADPA_PIPE_SELECT(pipe)) |
1428 | if ((val & ADPA_PIPE_SELECT_MASK) != ADPA_PIPE_SELECT(pipe)) |
1457 | return false; |
1429 | return false; |
1458 | } |
1430 | } |
1459 | return true; |
1431 | return true; |
1460 | } |
1432 | } |
1461 | 1433 | ||
1462 | static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv, |
1434 | static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv, |
1463 | enum pipe pipe, int reg, u32 port_sel) |
1435 | enum pipe pipe, int reg, u32 port_sel) |
1464 | { |
1436 | { |
1465 | u32 val = I915_READ(reg); |
1437 | u32 val = I915_READ(reg); |
1466 | WARN(dp_pipe_enabled(dev_priv, pipe, port_sel, val), |
1438 | WARN(dp_pipe_enabled(dev_priv, pipe, port_sel, val), |
1467 | "PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n", |
1439 | "PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n", |
1468 | reg, pipe_name(pipe)); |
1440 | reg, pipe_name(pipe)); |
1469 | 1441 | ||
1470 | WARN(HAS_PCH_IBX(dev_priv->dev) && (val & DP_PORT_EN) == 0 |
1442 | WARN(HAS_PCH_IBX(dev_priv->dev) && (val & DP_PORT_EN) == 0 |
1471 | && (val & DP_PIPEB_SELECT), |
1443 | && (val & DP_PIPEB_SELECT), |
1472 | "IBX PCH dp port still using transcoder B\n"); |
1444 | "IBX PCH dp port still using transcoder B\n"); |
1473 | } |
1445 | } |
1474 | 1446 | ||
1475 | static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv, |
1447 | static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv, |
1476 | enum pipe pipe, int reg) |
1448 | enum pipe pipe, int reg) |
1477 | { |
1449 | { |
1478 | u32 val = I915_READ(reg); |
1450 | u32 val = I915_READ(reg); |
1479 | WARN(hdmi_pipe_enabled(dev_priv, pipe, val), |
1451 | WARN(hdmi_pipe_enabled(dev_priv, pipe, val), |
1480 | "PCH HDMI (0x%08x) enabled on transcoder %c, should be disabled\n", |
1452 | "PCH HDMI (0x%08x) enabled on transcoder %c, should be disabled\n", |
1481 | reg, pipe_name(pipe)); |
1453 | reg, pipe_name(pipe)); |
1482 | 1454 | ||
1483 | WARN(HAS_PCH_IBX(dev_priv->dev) && (val & SDVO_ENABLE) == 0 |
1455 | WARN(HAS_PCH_IBX(dev_priv->dev) && (val & SDVO_ENABLE) == 0 |
1484 | && (val & SDVO_PIPE_B_SELECT), |
1456 | && (val & SDVO_PIPE_B_SELECT), |
1485 | "IBX PCH hdmi port still using transcoder B\n"); |
1457 | "IBX PCH hdmi port still using transcoder B\n"); |
1486 | } |
1458 | } |
1487 | 1459 | ||
1488 | static void assert_pch_ports_disabled(struct drm_i915_private *dev_priv, |
1460 | static void assert_pch_ports_disabled(struct drm_i915_private *dev_priv, |
1489 | enum pipe pipe) |
1461 | enum pipe pipe) |
1490 | { |
1462 | { |
1491 | int reg; |
1463 | int reg; |
1492 | u32 val; |
1464 | u32 val; |
1493 | 1465 | ||
1494 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_B, TRANS_DP_PORT_SEL_B); |
1466 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_B, TRANS_DP_PORT_SEL_B); |
1495 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_C, TRANS_DP_PORT_SEL_C); |
1467 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_C, TRANS_DP_PORT_SEL_C); |
1496 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_D, TRANS_DP_PORT_SEL_D); |
1468 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_D, TRANS_DP_PORT_SEL_D); |
1497 | 1469 | ||
1498 | reg = PCH_ADPA; |
1470 | reg = PCH_ADPA; |
1499 | val = I915_READ(reg); |
1471 | val = I915_READ(reg); |
1500 | WARN(adpa_pipe_enabled(dev_priv, pipe, val), |
1472 | WARN(adpa_pipe_enabled(dev_priv, pipe, val), |
1501 | "PCH VGA enabled on transcoder %c, should be disabled\n", |
1473 | "PCH VGA enabled on transcoder %c, should be disabled\n", |
1502 | pipe_name(pipe)); |
1474 | pipe_name(pipe)); |
1503 | 1475 | ||
1504 | reg = PCH_LVDS; |
1476 | reg = PCH_LVDS; |
1505 | val = I915_READ(reg); |
1477 | val = I915_READ(reg); |
1506 | WARN(lvds_pipe_enabled(dev_priv, pipe, val), |
1478 | WARN(lvds_pipe_enabled(dev_priv, pipe, val), |
1507 | "PCH LVDS enabled on transcoder %c, should be disabled\n", |
1479 | "PCH LVDS enabled on transcoder %c, should be disabled\n", |
1508 | pipe_name(pipe)); |
1480 | pipe_name(pipe)); |
1509 | 1481 | ||
1510 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIB); |
1482 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIB); |
1511 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIC); |
1483 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIC); |
1512 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMID); |
1484 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMID); |
1513 | } |
1485 | } |
1514 | 1486 | ||
1515 | static void intel_init_dpio(struct drm_device *dev) |
1487 | static void intel_init_dpio(struct drm_device *dev) |
1516 | { |
1488 | { |
1517 | struct drm_i915_private *dev_priv = dev->dev_private; |
1489 | struct drm_i915_private *dev_priv = dev->dev_private; |
1518 | 1490 | ||
1519 | if (!IS_VALLEYVIEW(dev)) |
1491 | if (!IS_VALLEYVIEW(dev)) |
1520 | return; |
1492 | return; |
1521 | 1493 | ||
1522 | /* |
1494 | /* |
1523 | * IOSF_PORT_DPIO is used for VLV x2 PHY (DP/HDMI B and C), |
1495 | * IOSF_PORT_DPIO is used for VLV x2 PHY (DP/HDMI B and C), |
1524 | * CHV x1 PHY (DP/HDMI D) |
1496 | * CHV x1 PHY (DP/HDMI D) |
1525 | * IOSF_PORT_DPIO_2 is used for CHV x2 PHY (DP/HDMI B and C) |
1497 | * IOSF_PORT_DPIO_2 is used for CHV x2 PHY (DP/HDMI B and C) |
1526 | */ |
1498 | */ |
1527 | if (IS_CHERRYVIEW(dev)) { |
1499 | if (IS_CHERRYVIEW(dev)) { |
1528 | DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO_2; |
1500 | DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO_2; |
1529 | DPIO_PHY_IOSF_PORT(DPIO_PHY1) = IOSF_PORT_DPIO; |
1501 | DPIO_PHY_IOSF_PORT(DPIO_PHY1) = IOSF_PORT_DPIO; |
1530 | } else { |
1502 | } else { |
1531 | DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO; |
1503 | DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO; |
1532 | } |
1504 | } |
1533 | } |
1505 | } |
1534 | 1506 | ||
1535 | static void intel_reset_dpio(struct drm_device *dev) |
- | |
1536 | { |
- | |
1537 | struct drm_i915_private *dev_priv = dev->dev_private; |
- | |
1538 | - | ||
1539 | if (IS_CHERRYVIEW(dev)) { |
- | |
1540 | enum dpio_phy phy; |
- | |
1541 | u32 val; |
- | |
1542 | - | ||
1543 | for (phy = DPIO_PHY0; phy < I915_NUM_PHYS_VLV; phy++) { |
- | |
1544 | /* Poll for phypwrgood signal */ |
- | |
1545 | if (wait_for(I915_READ(DISPLAY_PHY_STATUS) & |
- | |
1546 | PHY_POWERGOOD(phy), 1)) |
- | |
1547 | DRM_ERROR("Display PHY %d is not power up\n", phy); |
- | |
1548 | - | ||
1549 | /* |
- | |
1550 | * Deassert common lane reset for PHY. |
- | |
1551 | * |
1507 | static void vlv_enable_pll(struct intel_crtc *crtc, |
1552 | * This should only be done on init and resume from S3 |
- | |
1553 | * with both PLLs disabled, or we risk losing DPIO and |
- | |
1554 | * PLL synchronization. |
- | |
1555 | */ |
- | |
1556 | val = I915_READ(DISPLAY_PHY_CONTROL); |
- | |
1557 | I915_WRITE(DISPLAY_PHY_CONTROL, |
- | |
1558 | PHY_COM_LANE_RESET_DEASSERT(phy, val)); |
- | |
1559 | } |
- | |
1560 | } |
- | |
1561 | } |
- | |
1562 | - | ||
1563 | static void vlv_enable_pll(struct intel_crtc *crtc) |
1508 | const struct intel_crtc_config *pipe_config) |
1564 | { |
1509 | { |
1565 | struct drm_device *dev = crtc->base.dev; |
1510 | struct drm_device *dev = crtc->base.dev; |
1566 | struct drm_i915_private *dev_priv = dev->dev_private; |
1511 | struct drm_i915_private *dev_priv = dev->dev_private; |
1567 | int reg = DPLL(crtc->pipe); |
1512 | int reg = DPLL(crtc->pipe); |
1568 | u32 dpll = crtc->config.dpll_hw_state.dpll; |
1513 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
1569 | 1514 | ||
1570 | assert_pipe_disabled(dev_priv, crtc->pipe); |
1515 | assert_pipe_disabled(dev_priv, crtc->pipe); |
1571 | 1516 | ||
1572 | /* No really, not for ILK+ */ |
1517 | /* No really, not for ILK+ */ |
1573 | BUG_ON(!IS_VALLEYVIEW(dev_priv->dev)); |
1518 | BUG_ON(!IS_VALLEYVIEW(dev_priv->dev)); |
1574 | 1519 | ||
1575 | /* PLL is protected by panel, make sure we can write it */ |
1520 | /* PLL is protected by panel, make sure we can write it */ |
1576 | if (IS_MOBILE(dev_priv->dev) && !IS_I830(dev_priv->dev)) |
1521 | if (IS_MOBILE(dev_priv->dev)) |
1577 | assert_panel_unlocked(dev_priv, crtc->pipe); |
1522 | assert_panel_unlocked(dev_priv, crtc->pipe); |
1578 | 1523 | ||
1579 | I915_WRITE(reg, dpll); |
1524 | I915_WRITE(reg, dpll); |
1580 | POSTING_READ(reg); |
1525 | POSTING_READ(reg); |
1581 | udelay(150); |
1526 | udelay(150); |
1582 | 1527 | ||
1583 | if (wait_for(((I915_READ(reg) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) |
1528 | if (wait_for(((I915_READ(reg) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) |
1584 | DRM_ERROR("DPLL %d failed to lock\n", crtc->pipe); |
1529 | DRM_ERROR("DPLL %d failed to lock\n", crtc->pipe); |
1585 | 1530 | ||
1586 | I915_WRITE(DPLL_MD(crtc->pipe), crtc->config.dpll_hw_state.dpll_md); |
1531 | I915_WRITE(DPLL_MD(crtc->pipe), pipe_config->dpll_hw_state.dpll_md); |
1587 | POSTING_READ(DPLL_MD(crtc->pipe)); |
1532 | POSTING_READ(DPLL_MD(crtc->pipe)); |
1588 | 1533 | ||
1589 | /* We do this three times for luck */ |
1534 | /* We do this three times for luck */ |
1590 | I915_WRITE(reg, dpll); |
1535 | I915_WRITE(reg, dpll); |
1591 | POSTING_READ(reg); |
1536 | POSTING_READ(reg); |
1592 | udelay(150); /* wait for warmup */ |
1537 | udelay(150); /* wait for warmup */ |
1593 | I915_WRITE(reg, dpll); |
1538 | I915_WRITE(reg, dpll); |
1594 | POSTING_READ(reg); |
1539 | POSTING_READ(reg); |
1595 | udelay(150); /* wait for warmup */ |
1540 | udelay(150); /* wait for warmup */ |
1596 | I915_WRITE(reg, dpll); |
1541 | I915_WRITE(reg, dpll); |
1597 | POSTING_READ(reg); |
1542 | POSTING_READ(reg); |
1598 | udelay(150); /* wait for warmup */ |
1543 | udelay(150); /* wait for warmup */ |
1599 | } |
1544 | } |
1600 | 1545 | ||
- | 1546 | static void chv_enable_pll(struct intel_crtc *crtc, |
|
1601 | static void chv_enable_pll(struct intel_crtc *crtc) |
1547 | const struct intel_crtc_config *pipe_config) |
1602 | { |
1548 | { |
1603 | struct drm_device *dev = crtc->base.dev; |
1549 | struct drm_device *dev = crtc->base.dev; |
1604 | struct drm_i915_private *dev_priv = dev->dev_private; |
1550 | struct drm_i915_private *dev_priv = dev->dev_private; |
1605 | int pipe = crtc->pipe; |
1551 | int pipe = crtc->pipe; |
1606 | enum dpio_channel port = vlv_pipe_to_channel(pipe); |
1552 | enum dpio_channel port = vlv_pipe_to_channel(pipe); |
1607 | u32 tmp; |
1553 | u32 tmp; |
1608 | 1554 | ||
1609 | assert_pipe_disabled(dev_priv, crtc->pipe); |
1555 | assert_pipe_disabled(dev_priv, crtc->pipe); |
1610 | 1556 | ||
1611 | BUG_ON(!IS_CHERRYVIEW(dev_priv->dev)); |
1557 | BUG_ON(!IS_CHERRYVIEW(dev_priv->dev)); |
1612 | 1558 | ||
1613 | mutex_lock(&dev_priv->dpio_lock); |
1559 | mutex_lock(&dev_priv->dpio_lock); |
1614 | 1560 | ||
1615 | /* Enable back the 10bit clock to display controller */ |
1561 | /* Enable back the 10bit clock to display controller */ |
1616 | tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); |
1562 | tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); |
1617 | tmp |= DPIO_DCLKP_EN; |
1563 | tmp |= DPIO_DCLKP_EN; |
1618 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), tmp); |
1564 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), tmp); |
1619 | 1565 | ||
1620 | /* |
1566 | /* |
1621 | * Need to wait > 100ns between dclkp clock enable bit and PLL enable. |
1567 | * Need to wait > 100ns between dclkp clock enable bit and PLL enable. |
1622 | */ |
1568 | */ |
1623 | udelay(1); |
1569 | udelay(1); |
1624 | 1570 | ||
1625 | /* Enable PLL */ |
1571 | /* Enable PLL */ |
1626 | I915_WRITE(DPLL(pipe), crtc->config.dpll_hw_state.dpll); |
1572 | I915_WRITE(DPLL(pipe), pipe_config->dpll_hw_state.dpll); |
1627 | 1573 | ||
1628 | /* Check PLL is locked */ |
1574 | /* Check PLL is locked */ |
1629 | if (wait_for(((I915_READ(DPLL(pipe)) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) |
1575 | if (wait_for(((I915_READ(DPLL(pipe)) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) |
1630 | DRM_ERROR("PLL %d failed to lock\n", pipe); |
1576 | DRM_ERROR("PLL %d failed to lock\n", pipe); |
1631 | 1577 | ||
1632 | /* not sure when this should be written */ |
1578 | /* not sure when this should be written */ |
1633 | I915_WRITE(DPLL_MD(pipe), crtc->config.dpll_hw_state.dpll_md); |
1579 | I915_WRITE(DPLL_MD(pipe), pipe_config->dpll_hw_state.dpll_md); |
1634 | POSTING_READ(DPLL_MD(pipe)); |
1580 | POSTING_READ(DPLL_MD(pipe)); |
1635 | 1581 | ||
1636 | mutex_unlock(&dev_priv->dpio_lock); |
1582 | mutex_unlock(&dev_priv->dpio_lock); |
1637 | } |
1583 | } |
- | 1584 | ||
- | 1585 | static int intel_num_dvo_pipes(struct drm_device *dev) |
|
- | 1586 | { |
|
- | 1587 | struct intel_crtc *crtc; |
|
- | 1588 | int count = 0; |
|
- | 1589 | ||
- | 1590 | for_each_intel_crtc(dev, crtc) |
|
- | 1591 | count += crtc->active && |
|
- | 1592 | intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO); |
|
- | 1593 | ||
- | 1594 | return count; |
|
- | 1595 | } |
|
1638 | 1596 | ||
1639 | static void i9xx_enable_pll(struct intel_crtc *crtc) |
1597 | static void i9xx_enable_pll(struct intel_crtc *crtc) |
1640 | { |
1598 | { |
1641 | struct drm_device *dev = crtc->base.dev; |
1599 | struct drm_device *dev = crtc->base.dev; |
1642 | struct drm_i915_private *dev_priv = dev->dev_private; |
1600 | struct drm_i915_private *dev_priv = dev->dev_private; |
1643 | int reg = DPLL(crtc->pipe); |
1601 | int reg = DPLL(crtc->pipe); |
1644 | u32 dpll = crtc->config.dpll_hw_state.dpll; |
1602 | u32 dpll = crtc->config.dpll_hw_state.dpll; |
1645 | 1603 | ||
1646 | assert_pipe_disabled(dev_priv, crtc->pipe); |
1604 | assert_pipe_disabled(dev_priv, crtc->pipe); |
1647 | 1605 | ||
1648 | /* No really, not for ILK+ */ |
1606 | /* No really, not for ILK+ */ |
1649 | BUG_ON(INTEL_INFO(dev)->gen >= 5); |
1607 | BUG_ON(INTEL_INFO(dev)->gen >= 5); |
1650 | 1608 | ||
1651 | /* PLL is protected by panel, make sure we can write it */ |
1609 | /* PLL is protected by panel, make sure we can write it */ |
1652 | if (IS_MOBILE(dev) && !IS_I830(dev)) |
1610 | if (IS_MOBILE(dev) && !IS_I830(dev)) |
1653 | assert_panel_unlocked(dev_priv, crtc->pipe); |
1611 | assert_panel_unlocked(dev_priv, crtc->pipe); |
- | 1612 | ||
- | 1613 | /* Enable DVO 2x clock on both PLLs if necessary */ |
|
- | 1614 | if (IS_I830(dev) && intel_num_dvo_pipes(dev) > 0) { |
|
- | 1615 | /* |
|
- | 1616 | * It appears to be important that we don't enable this |
|
- | 1617 | * for the current pipe before otherwise configuring the |
|
- | 1618 | * PLL. No idea how this should be handled if multiple |
|
- | 1619 | * DVO outputs are enabled simultaneosly. |
|
- | 1620 | */ |
|
1654 | 1621 | dpll |= DPLL_DVO_2X_MODE; |
|
- | 1622 | I915_WRITE(DPLL(!crtc->pipe), |
|
- | 1623 | I915_READ(DPLL(!crtc->pipe)) | DPLL_DVO_2X_MODE); |
|
1655 | I915_WRITE(reg, dpll); |
1624 | } |
1656 | 1625 | ||
1657 | /* Wait for the clocks to stabilize. */ |
1626 | /* Wait for the clocks to stabilize. */ |
1658 | POSTING_READ(reg); |
1627 | POSTING_READ(reg); |
1659 | udelay(150); |
1628 | udelay(150); |
1660 | 1629 | ||
1661 | if (INTEL_INFO(dev)->gen >= 4) { |
1630 | if (INTEL_INFO(dev)->gen >= 4) { |
1662 | I915_WRITE(DPLL_MD(crtc->pipe), |
1631 | I915_WRITE(DPLL_MD(crtc->pipe), |
1663 | crtc->config.dpll_hw_state.dpll_md); |
1632 | crtc->config.dpll_hw_state.dpll_md); |
1664 | } else { |
1633 | } else { |
1665 | /* The pixel multiplier can only be updated once the |
1634 | /* The pixel multiplier can only be updated once the |
1666 | * DPLL is enabled and the clocks are stable. |
1635 | * DPLL is enabled and the clocks are stable. |
1667 | * |
1636 | * |
1668 | * So write it again. |
1637 | * So write it again. |
1669 | */ |
1638 | */ |
1670 | I915_WRITE(reg, dpll); |
1639 | I915_WRITE(reg, dpll); |
1671 | } |
1640 | } |
1672 | 1641 | ||
1673 | /* We do this three times for luck */ |
1642 | /* We do this three times for luck */ |
1674 | I915_WRITE(reg, dpll); |
1643 | I915_WRITE(reg, dpll); |
1675 | POSTING_READ(reg); |
1644 | POSTING_READ(reg); |
1676 | udelay(150); /* wait for warmup */ |
1645 | udelay(150); /* wait for warmup */ |
1677 | I915_WRITE(reg, dpll); |
1646 | I915_WRITE(reg, dpll); |
1678 | POSTING_READ(reg); |
1647 | POSTING_READ(reg); |
1679 | udelay(150); /* wait for warmup */ |
1648 | udelay(150); /* wait for warmup */ |
1680 | I915_WRITE(reg, dpll); |
1649 | I915_WRITE(reg, dpll); |
1681 | POSTING_READ(reg); |
1650 | POSTING_READ(reg); |
1682 | udelay(150); /* wait for warmup */ |
1651 | udelay(150); /* wait for warmup */ |
1683 | } |
1652 | } |
1684 | 1653 | ||
1685 | /** |
1654 | /** |
1686 | * i9xx_disable_pll - disable a PLL |
1655 | * i9xx_disable_pll - disable a PLL |
1687 | * @dev_priv: i915 private structure |
1656 | * @dev_priv: i915 private structure |
1688 | * @pipe: pipe PLL to disable |
1657 | * @pipe: pipe PLL to disable |
1689 | * |
1658 | * |
1690 | * Disable the PLL for @pipe, making sure the pipe is off first. |
1659 | * Disable the PLL for @pipe, making sure the pipe is off first. |
1691 | * |
1660 | * |
1692 | * Note! This is for pre-ILK only. |
1661 | * Note! This is for pre-ILK only. |
1693 | */ |
1662 | */ |
1694 | static void i9xx_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) |
1663 | static void i9xx_disable_pll(struct intel_crtc *crtc) |
1695 | { |
1664 | { |
- | 1665 | struct drm_device *dev = crtc->base.dev; |
|
- | 1666 | struct drm_i915_private *dev_priv = dev->dev_private; |
|
- | 1667 | enum pipe pipe = crtc->pipe; |
|
- | 1668 | ||
- | 1669 | /* Disable DVO 2x clock on both PLLs if necessary */ |
|
- | 1670 | if (IS_I830(dev) && |
|
- | 1671 | intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO) && |
|
- | 1672 | intel_num_dvo_pipes(dev) == 1) { |
|
- | 1673 | I915_WRITE(DPLL(PIPE_B), |
|
- | 1674 | I915_READ(DPLL(PIPE_B)) & ~DPLL_DVO_2X_MODE); |
|
- | 1675 | I915_WRITE(DPLL(PIPE_A), |
|
- | 1676 | I915_READ(DPLL(PIPE_A)) & ~DPLL_DVO_2X_MODE); |
|
- | 1677 | } |
|
- | 1678 | ||
1696 | /* Don't disable pipe A or pipe A PLLs if needed */ |
1679 | /* Don't disable pipe or pipe PLLs if needed */ |
1697 | if (pipe == PIPE_A && (dev_priv->quirks & QUIRK_PIPEA_FORCE)) |
1680 | if ((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
- | 1681 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) |
|
1698 | return; |
1682 | return; |
1699 | 1683 | ||
1700 | /* Make sure the pipe isn't still relying on us */ |
1684 | /* Make sure the pipe isn't still relying on us */ |
1701 | assert_pipe_disabled(dev_priv, pipe); |
1685 | assert_pipe_disabled(dev_priv, pipe); |
1702 | 1686 | ||
1703 | I915_WRITE(DPLL(pipe), 0); |
1687 | I915_WRITE(DPLL(pipe), 0); |
1704 | POSTING_READ(DPLL(pipe)); |
1688 | POSTING_READ(DPLL(pipe)); |
1705 | } |
1689 | } |
1706 | 1690 | ||
1707 | static void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) |
1691 | static void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) |
1708 | { |
1692 | { |
1709 | u32 val = 0; |
1693 | u32 val = 0; |
1710 | 1694 | ||
1711 | /* Make sure the pipe isn't still relying on us */ |
1695 | /* Make sure the pipe isn't still relying on us */ |
1712 | assert_pipe_disabled(dev_priv, pipe); |
1696 | assert_pipe_disabled(dev_priv, pipe); |
1713 | 1697 | ||
1714 | /* |
1698 | /* |
1715 | * Leave integrated clock source and reference clock enabled for pipe B. |
1699 | * Leave integrated clock source and reference clock enabled for pipe B. |
1716 | * The latter is needed for VGA hotplug / manual detection. |
1700 | * The latter is needed for VGA hotplug / manual detection. |
1717 | */ |
1701 | */ |
1718 | if (pipe == PIPE_B) |
1702 | if (pipe == PIPE_B) |
1719 | val = DPLL_INTEGRATED_CRI_CLK_VLV | DPLL_REFA_CLK_ENABLE_VLV; |
1703 | val = DPLL_INTEGRATED_CRI_CLK_VLV | DPLL_REFA_CLK_ENABLE_VLV; |
1720 | I915_WRITE(DPLL(pipe), val); |
1704 | I915_WRITE(DPLL(pipe), val); |
1721 | POSTING_READ(DPLL(pipe)); |
1705 | POSTING_READ(DPLL(pipe)); |
1722 | 1706 | ||
1723 | } |
1707 | } |
1724 | 1708 | ||
1725 | static void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) |
1709 | static void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) |
1726 | { |
1710 | { |
1727 | enum dpio_channel port = vlv_pipe_to_channel(pipe); |
1711 | enum dpio_channel port = vlv_pipe_to_channel(pipe); |
1728 | u32 val; |
1712 | u32 val; |
1729 | 1713 | ||
1730 | /* Make sure the pipe isn't still relying on us */ |
1714 | /* Make sure the pipe isn't still relying on us */ |
1731 | assert_pipe_disabled(dev_priv, pipe); |
1715 | assert_pipe_disabled(dev_priv, pipe); |
1732 | 1716 | ||
1733 | /* Set PLL en = 0 */ |
1717 | /* Set PLL en = 0 */ |
1734 | val = DPLL_SSC_REF_CLOCK_CHV; |
1718 | val = DPLL_SSC_REF_CLOCK_CHV | DPLL_REFA_CLK_ENABLE_VLV; |
1735 | if (pipe != PIPE_A) |
1719 | if (pipe != PIPE_A) |
1736 | val |= DPLL_INTEGRATED_CRI_CLK_VLV; |
1720 | val |= DPLL_INTEGRATED_CRI_CLK_VLV; |
1737 | I915_WRITE(DPLL(pipe), val); |
1721 | I915_WRITE(DPLL(pipe), val); |
1738 | POSTING_READ(DPLL(pipe)); |
1722 | POSTING_READ(DPLL(pipe)); |
1739 | 1723 | ||
1740 | mutex_lock(&dev_priv->dpio_lock); |
1724 | mutex_lock(&dev_priv->dpio_lock); |
1741 | 1725 | ||
1742 | /* Disable 10bit clock to display controller */ |
1726 | /* Disable 10bit clock to display controller */ |
1743 | val = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); |
1727 | val = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); |
1744 | val &= ~DPIO_DCLKP_EN; |
1728 | val &= ~DPIO_DCLKP_EN; |
1745 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), val); |
1729 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), val); |
1746 | 1730 | ||
1747 | /* disable left/right clock distribution */ |
1731 | /* disable left/right clock distribution */ |
1748 | if (pipe != PIPE_B) { |
1732 | if (pipe != PIPE_B) { |
1749 | val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW5_CH0); |
1733 | val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW5_CH0); |
1750 | val &= ~(CHV_BUFLEFTENA1_MASK | CHV_BUFRIGHTENA1_MASK); |
1734 | val &= ~(CHV_BUFLEFTENA1_MASK | CHV_BUFRIGHTENA1_MASK); |
1751 | vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW5_CH0, val); |
1735 | vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW5_CH0, val); |
1752 | } else { |
1736 | } else { |
1753 | val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW1_CH1); |
1737 | val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW1_CH1); |
1754 | val &= ~(CHV_BUFLEFTENA2_MASK | CHV_BUFRIGHTENA2_MASK); |
1738 | val &= ~(CHV_BUFLEFTENA2_MASK | CHV_BUFRIGHTENA2_MASK); |
1755 | vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW1_CH1, val); |
1739 | vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW1_CH1, val); |
1756 | } |
1740 | } |
1757 | 1741 | ||
1758 | mutex_unlock(&dev_priv->dpio_lock); |
1742 | mutex_unlock(&dev_priv->dpio_lock); |
1759 | } |
1743 | } |
1760 | 1744 | ||
1761 | void vlv_wait_port_ready(struct drm_i915_private *dev_priv, |
1745 | void vlv_wait_port_ready(struct drm_i915_private *dev_priv, |
1762 | struct intel_digital_port *dport) |
1746 | struct intel_digital_port *dport) |
1763 | { |
1747 | { |
1764 | u32 port_mask; |
1748 | u32 port_mask; |
1765 | int dpll_reg; |
1749 | int dpll_reg; |
1766 | 1750 | ||
1767 | switch (dport->port) { |
1751 | switch (dport->port) { |
1768 | case PORT_B: |
1752 | case PORT_B: |
1769 | port_mask = DPLL_PORTB_READY_MASK; |
1753 | port_mask = DPLL_PORTB_READY_MASK; |
1770 | dpll_reg = DPLL(0); |
1754 | dpll_reg = DPLL(0); |
1771 | break; |
1755 | break; |
1772 | case PORT_C: |
1756 | case PORT_C: |
1773 | port_mask = DPLL_PORTC_READY_MASK; |
1757 | port_mask = DPLL_PORTC_READY_MASK; |
1774 | dpll_reg = DPLL(0); |
1758 | dpll_reg = DPLL(0); |
1775 | break; |
1759 | break; |
1776 | case PORT_D: |
1760 | case PORT_D: |
1777 | port_mask = DPLL_PORTD_READY_MASK; |
1761 | port_mask = DPLL_PORTD_READY_MASK; |
1778 | dpll_reg = DPIO_PHY_STATUS; |
1762 | dpll_reg = DPIO_PHY_STATUS; |
1779 | break; |
1763 | break; |
1780 | default: |
1764 | default: |
1781 | BUG(); |
1765 | BUG(); |
1782 | } |
1766 | } |
1783 | 1767 | ||
1784 | if (wait_for((I915_READ(dpll_reg) & port_mask) == 0, 1000)) |
1768 | if (wait_for((I915_READ(dpll_reg) & port_mask) == 0, 1000)) |
1785 | WARN(1, "timed out waiting for port %c ready: 0x%08x\n", |
1769 | WARN(1, "timed out waiting for port %c ready: 0x%08x\n", |
1786 | port_name(dport->port), I915_READ(dpll_reg)); |
1770 | port_name(dport->port), I915_READ(dpll_reg)); |
1787 | } |
1771 | } |
1788 | 1772 | ||
1789 | static void intel_prepare_shared_dpll(struct intel_crtc *crtc) |
1773 | static void intel_prepare_shared_dpll(struct intel_crtc *crtc) |
1790 | { |
1774 | { |
1791 | struct drm_device *dev = crtc->base.dev; |
1775 | struct drm_device *dev = crtc->base.dev; |
1792 | struct drm_i915_private *dev_priv = dev->dev_private; |
1776 | struct drm_i915_private *dev_priv = dev->dev_private; |
1793 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
1777 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
1794 | 1778 | ||
1795 | if (WARN_ON(pll == NULL)) |
1779 | if (WARN_ON(pll == NULL)) |
1796 | return; |
1780 | return; |
1797 | 1781 | ||
1798 | WARN_ON(!pll->refcount); |
1782 | WARN_ON(!pll->config.crtc_mask); |
1799 | if (pll->active == 0) { |
1783 | if (pll->active == 0) { |
1800 | DRM_DEBUG_DRIVER("setting up %s\n", pll->name); |
1784 | DRM_DEBUG_DRIVER("setting up %s\n", pll->name); |
1801 | WARN_ON(pll->on); |
1785 | WARN_ON(pll->on); |
1802 | assert_shared_dpll_disabled(dev_priv, pll); |
1786 | assert_shared_dpll_disabled(dev_priv, pll); |
1803 | 1787 | ||
1804 | pll->mode_set(dev_priv, pll); |
1788 | pll->mode_set(dev_priv, pll); |
1805 | } |
1789 | } |
1806 | } |
1790 | } |
1807 | 1791 | ||
1808 | /** |
1792 | /** |
1809 | * intel_enable_shared_dpll - enable PCH PLL |
1793 | * intel_enable_shared_dpll - enable PCH PLL |
1810 | * @dev_priv: i915 private structure |
1794 | * @dev_priv: i915 private structure |
1811 | * @pipe: pipe PLL to enable |
1795 | * @pipe: pipe PLL to enable |
1812 | * |
1796 | * |
1813 | * The PCH PLL needs to be enabled before the PCH transcoder, since it |
1797 | * The PCH PLL needs to be enabled before the PCH transcoder, since it |
1814 | * drives the transcoder clock. |
1798 | * drives the transcoder clock. |
1815 | */ |
1799 | */ |
1816 | static void intel_enable_shared_dpll(struct intel_crtc *crtc) |
1800 | static void intel_enable_shared_dpll(struct intel_crtc *crtc) |
1817 | { |
1801 | { |
1818 | struct drm_device *dev = crtc->base.dev; |
1802 | struct drm_device *dev = crtc->base.dev; |
1819 | struct drm_i915_private *dev_priv = dev->dev_private; |
1803 | struct drm_i915_private *dev_priv = dev->dev_private; |
1820 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
1804 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
1821 | 1805 | ||
1822 | if (WARN_ON(pll == NULL)) |
1806 | if (WARN_ON(pll == NULL)) |
1823 | return; |
1807 | return; |
1824 | 1808 | ||
1825 | if (WARN_ON(pll->refcount == 0)) |
1809 | if (WARN_ON(pll->config.crtc_mask == 0)) |
1826 | return; |
1810 | return; |
1827 | 1811 | ||
1828 | DRM_DEBUG_KMS("enable %s (active %d, on? %d)for crtc %d\n", |
1812 | DRM_DEBUG_KMS("enable %s (active %d, on? %d) for crtc %d\n", |
1829 | pll->name, pll->active, pll->on, |
1813 | pll->name, pll->active, pll->on, |
1830 | crtc->base.base.id); |
1814 | crtc->base.base.id); |
1831 | 1815 | ||
1832 | if (pll->active++) { |
1816 | if (pll->active++) { |
1833 | WARN_ON(!pll->on); |
1817 | WARN_ON(!pll->on); |
1834 | assert_shared_dpll_enabled(dev_priv, pll); |
1818 | assert_shared_dpll_enabled(dev_priv, pll); |
1835 | return; |
1819 | return; |
1836 | } |
1820 | } |
1837 | WARN_ON(pll->on); |
1821 | WARN_ON(pll->on); |
1838 | 1822 | ||
1839 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); |
1823 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); |
1840 | 1824 | ||
1841 | DRM_DEBUG_KMS("enabling %s\n", pll->name); |
1825 | DRM_DEBUG_KMS("enabling %s\n", pll->name); |
1842 | pll->enable(dev_priv, pll); |
1826 | pll->enable(dev_priv, pll); |
1843 | pll->on = true; |
1827 | pll->on = true; |
1844 | } |
1828 | } |
1845 | 1829 | ||
1846 | void intel_disable_shared_dpll(struct intel_crtc *crtc) |
1830 | static void intel_disable_shared_dpll(struct intel_crtc *crtc) |
1847 | { |
1831 | { |
1848 | struct drm_device *dev = crtc->base.dev; |
1832 | struct drm_device *dev = crtc->base.dev; |
1849 | struct drm_i915_private *dev_priv = dev->dev_private; |
1833 | struct drm_i915_private *dev_priv = dev->dev_private; |
1850 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
1834 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
1851 | 1835 | ||
1852 | /* PCH only available on ILK+ */ |
1836 | /* PCH only available on ILK+ */ |
1853 | BUG_ON(INTEL_INFO(dev)->gen < 5); |
1837 | BUG_ON(INTEL_INFO(dev)->gen < 5); |
1854 | if (WARN_ON(pll == NULL)) |
1838 | if (WARN_ON(pll == NULL)) |
1855 | return; |
1839 | return; |
1856 | 1840 | ||
1857 | if (WARN_ON(pll->refcount == 0)) |
1841 | if (WARN_ON(pll->config.crtc_mask == 0)) |
1858 | return; |
1842 | return; |
1859 | 1843 | ||
1860 | DRM_DEBUG_KMS("disable %s (active %d, on? %d) for crtc %d\n", |
1844 | DRM_DEBUG_KMS("disable %s (active %d, on? %d) for crtc %d\n", |
1861 | pll->name, pll->active, pll->on, |
1845 | pll->name, pll->active, pll->on, |
1862 | crtc->base.base.id); |
1846 | crtc->base.base.id); |
1863 | 1847 | ||
1864 | if (WARN_ON(pll->active == 0)) { |
1848 | if (WARN_ON(pll->active == 0)) { |
1865 | assert_shared_dpll_disabled(dev_priv, pll); |
1849 | assert_shared_dpll_disabled(dev_priv, pll); |
1866 | return; |
1850 | return; |
1867 | } |
1851 | } |
1868 | 1852 | ||
1869 | assert_shared_dpll_enabled(dev_priv, pll); |
1853 | assert_shared_dpll_enabled(dev_priv, pll); |
1870 | WARN_ON(!pll->on); |
1854 | WARN_ON(!pll->on); |
1871 | if (--pll->active) |
1855 | if (--pll->active) |
1872 | return; |
1856 | return; |
1873 | 1857 | ||
1874 | DRM_DEBUG_KMS("disabling %s\n", pll->name); |
1858 | DRM_DEBUG_KMS("disabling %s\n", pll->name); |
1875 | pll->disable(dev_priv, pll); |
1859 | pll->disable(dev_priv, pll); |
1876 | pll->on = false; |
1860 | pll->on = false; |
1877 | 1861 | ||
1878 | intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS); |
1862 | intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS); |
1879 | } |
1863 | } |
1880 | 1864 | ||
1881 | static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
1865 | static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
1882 | enum pipe pipe) |
1866 | enum pipe pipe) |
1883 | { |
1867 | { |
1884 | struct drm_device *dev = dev_priv->dev; |
1868 | struct drm_device *dev = dev_priv->dev; |
1885 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
1869 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
1886 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
1870 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
1887 | uint32_t reg, val, pipeconf_val; |
1871 | uint32_t reg, val, pipeconf_val; |
1888 | 1872 | ||
1889 | /* PCH only available on ILK+ */ |
1873 | /* PCH only available on ILK+ */ |
1890 | BUG_ON(INTEL_INFO(dev)->gen < 5); |
1874 | BUG_ON(!HAS_PCH_SPLIT(dev)); |
1891 | 1875 | ||
1892 | /* Make sure PCH DPLL is enabled */ |
1876 | /* Make sure PCH DPLL is enabled */ |
1893 | assert_shared_dpll_enabled(dev_priv, |
1877 | assert_shared_dpll_enabled(dev_priv, |
1894 | intel_crtc_to_shared_dpll(intel_crtc)); |
1878 | intel_crtc_to_shared_dpll(intel_crtc)); |
1895 | 1879 | ||
1896 | /* FDI must be feeding us bits for PCH ports */ |
1880 | /* FDI must be feeding us bits for PCH ports */ |
1897 | assert_fdi_tx_enabled(dev_priv, pipe); |
1881 | assert_fdi_tx_enabled(dev_priv, pipe); |
1898 | assert_fdi_rx_enabled(dev_priv, pipe); |
1882 | assert_fdi_rx_enabled(dev_priv, pipe); |
1899 | 1883 | ||
1900 | if (HAS_PCH_CPT(dev)) { |
1884 | if (HAS_PCH_CPT(dev)) { |
1901 | /* Workaround: Set the timing override bit before enabling the |
1885 | /* Workaround: Set the timing override bit before enabling the |
1902 | * pch transcoder. */ |
1886 | * pch transcoder. */ |
1903 | reg = TRANS_CHICKEN2(pipe); |
1887 | reg = TRANS_CHICKEN2(pipe); |
1904 | val = I915_READ(reg); |
1888 | val = I915_READ(reg); |
1905 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; |
1889 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; |
1906 | I915_WRITE(reg, val); |
1890 | I915_WRITE(reg, val); |
1907 | } |
1891 | } |
1908 | 1892 | ||
1909 | reg = PCH_TRANSCONF(pipe); |
1893 | reg = PCH_TRANSCONF(pipe); |
1910 | val = I915_READ(reg); |
1894 | val = I915_READ(reg); |
1911 | pipeconf_val = I915_READ(PIPECONF(pipe)); |
1895 | pipeconf_val = I915_READ(PIPECONF(pipe)); |
1912 | 1896 | ||
1913 | if (HAS_PCH_IBX(dev_priv->dev)) { |
1897 | if (HAS_PCH_IBX(dev_priv->dev)) { |
1914 | /* |
1898 | /* |
1915 | * make the BPC in transcoder be consistent with |
1899 | * make the BPC in transcoder be consistent with |
1916 | * that in pipeconf reg. |
1900 | * that in pipeconf reg. |
1917 | */ |
1901 | */ |
1918 | val &= ~PIPECONF_BPC_MASK; |
1902 | val &= ~PIPECONF_BPC_MASK; |
1919 | val |= pipeconf_val & PIPECONF_BPC_MASK; |
1903 | val |= pipeconf_val & PIPECONF_BPC_MASK; |
1920 | } |
1904 | } |
1921 | 1905 | ||
1922 | val &= ~TRANS_INTERLACE_MASK; |
1906 | val &= ~TRANS_INTERLACE_MASK; |
1923 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK) == PIPECONF_INTERLACED_ILK) |
1907 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK) == PIPECONF_INTERLACED_ILK) |
1924 | if (HAS_PCH_IBX(dev_priv->dev) && |
1908 | if (HAS_PCH_IBX(dev_priv->dev) && |
1925 | intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO)) |
1909 | intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
1926 | val |= TRANS_LEGACY_INTERLACED_ILK; |
1910 | val |= TRANS_LEGACY_INTERLACED_ILK; |
1927 | else |
1911 | else |
1928 | val |= TRANS_INTERLACED; |
1912 | val |= TRANS_INTERLACED; |
1929 | else |
1913 | else |
1930 | val |= TRANS_PROGRESSIVE; |
1914 | val |= TRANS_PROGRESSIVE; |
1931 | 1915 | ||
1932 | I915_WRITE(reg, val | TRANS_ENABLE); |
1916 | I915_WRITE(reg, val | TRANS_ENABLE); |
1933 | if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100)) |
1917 | if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100)) |
1934 | DRM_ERROR("failed to enable transcoder %c\n", pipe_name(pipe)); |
1918 | DRM_ERROR("failed to enable transcoder %c\n", pipe_name(pipe)); |
1935 | } |
1919 | } |
1936 | 1920 | ||
1937 | static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
1921 | static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
1938 | enum transcoder cpu_transcoder) |
1922 | enum transcoder cpu_transcoder) |
1939 | { |
1923 | { |
1940 | u32 val, pipeconf_val; |
1924 | u32 val, pipeconf_val; |
1941 | 1925 | ||
1942 | /* PCH only available on ILK+ */ |
1926 | /* PCH only available on ILK+ */ |
1943 | BUG_ON(INTEL_INFO(dev_priv->dev)->gen < 5); |
1927 | BUG_ON(!HAS_PCH_SPLIT(dev_priv->dev)); |
1944 | 1928 | ||
1945 | /* FDI must be feeding us bits for PCH ports */ |
1929 | /* FDI must be feeding us bits for PCH ports */ |
1946 | assert_fdi_tx_enabled(dev_priv, (enum pipe) cpu_transcoder); |
1930 | assert_fdi_tx_enabled(dev_priv, (enum pipe) cpu_transcoder); |
1947 | assert_fdi_rx_enabled(dev_priv, TRANSCODER_A); |
1931 | assert_fdi_rx_enabled(dev_priv, TRANSCODER_A); |
1948 | 1932 | ||
1949 | /* Workaround: set timing override bit. */ |
1933 | /* Workaround: set timing override bit. */ |
1950 | val = I915_READ(_TRANSA_CHICKEN2); |
1934 | val = I915_READ(_TRANSA_CHICKEN2); |
1951 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; |
1935 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; |
1952 | I915_WRITE(_TRANSA_CHICKEN2, val); |
1936 | I915_WRITE(_TRANSA_CHICKEN2, val); |
1953 | 1937 | ||
1954 | val = TRANS_ENABLE; |
1938 | val = TRANS_ENABLE; |
1955 | pipeconf_val = I915_READ(PIPECONF(cpu_transcoder)); |
1939 | pipeconf_val = I915_READ(PIPECONF(cpu_transcoder)); |
1956 | 1940 | ||
1957 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK_HSW) == |
1941 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK_HSW) == |
1958 | PIPECONF_INTERLACED_ILK) |
1942 | PIPECONF_INTERLACED_ILK) |
1959 | val |= TRANS_INTERLACED; |
1943 | val |= TRANS_INTERLACED; |
1960 | else |
1944 | else |
1961 | val |= TRANS_PROGRESSIVE; |
1945 | val |= TRANS_PROGRESSIVE; |
1962 | 1946 | ||
1963 | I915_WRITE(LPT_TRANSCONF, val); |
1947 | I915_WRITE(LPT_TRANSCONF, val); |
1964 | if (wait_for(I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE, 100)) |
1948 | if (wait_for(I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE, 100)) |
1965 | DRM_ERROR("Failed to enable PCH transcoder\n"); |
1949 | DRM_ERROR("Failed to enable PCH transcoder\n"); |
1966 | } |
1950 | } |
1967 | 1951 | ||
1968 | static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv, |
1952 | static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv, |
1969 | enum pipe pipe) |
1953 | enum pipe pipe) |
1970 | { |
1954 | { |
1971 | struct drm_device *dev = dev_priv->dev; |
1955 | struct drm_device *dev = dev_priv->dev; |
1972 | uint32_t reg, val; |
1956 | uint32_t reg, val; |
1973 | 1957 | ||
1974 | /* FDI relies on the transcoder */ |
1958 | /* FDI relies on the transcoder */ |
1975 | assert_fdi_tx_disabled(dev_priv, pipe); |
1959 | assert_fdi_tx_disabled(dev_priv, pipe); |
1976 | assert_fdi_rx_disabled(dev_priv, pipe); |
1960 | assert_fdi_rx_disabled(dev_priv, pipe); |
1977 | 1961 | ||
1978 | /* Ports must be off as well */ |
1962 | /* Ports must be off as well */ |
1979 | assert_pch_ports_disabled(dev_priv, pipe); |
1963 | assert_pch_ports_disabled(dev_priv, pipe); |
1980 | 1964 | ||
1981 | reg = PCH_TRANSCONF(pipe); |
1965 | reg = PCH_TRANSCONF(pipe); |
1982 | val = I915_READ(reg); |
1966 | val = I915_READ(reg); |
1983 | val &= ~TRANS_ENABLE; |
1967 | val &= ~TRANS_ENABLE; |
1984 | I915_WRITE(reg, val); |
1968 | I915_WRITE(reg, val); |
1985 | /* wait for PCH transcoder off, transcoder state */ |
1969 | /* wait for PCH transcoder off, transcoder state */ |
1986 | if (wait_for((I915_READ(reg) & TRANS_STATE_ENABLE) == 0, 50)) |
1970 | if (wait_for((I915_READ(reg) & TRANS_STATE_ENABLE) == 0, 50)) |
1987 | DRM_ERROR("failed to disable transcoder %c\n", pipe_name(pipe)); |
1971 | DRM_ERROR("failed to disable transcoder %c\n", pipe_name(pipe)); |
1988 | 1972 | ||
1989 | if (!HAS_PCH_IBX(dev)) { |
1973 | if (!HAS_PCH_IBX(dev)) { |
1990 | /* Workaround: Clear the timing override chicken bit again. */ |
1974 | /* Workaround: Clear the timing override chicken bit again. */ |
1991 | reg = TRANS_CHICKEN2(pipe); |
1975 | reg = TRANS_CHICKEN2(pipe); |
1992 | val = I915_READ(reg); |
1976 | val = I915_READ(reg); |
1993 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; |
1977 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; |
1994 | I915_WRITE(reg, val); |
1978 | I915_WRITE(reg, val); |
1995 | } |
1979 | } |
1996 | } |
1980 | } |
1997 | 1981 | ||
1998 | static void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv) |
1982 | static void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv) |
1999 | { |
1983 | { |
2000 | u32 val; |
1984 | u32 val; |
2001 | 1985 | ||
2002 | val = I915_READ(LPT_TRANSCONF); |
1986 | val = I915_READ(LPT_TRANSCONF); |
2003 | val &= ~TRANS_ENABLE; |
1987 | val &= ~TRANS_ENABLE; |
2004 | I915_WRITE(LPT_TRANSCONF, val); |
1988 | I915_WRITE(LPT_TRANSCONF, val); |
2005 | /* wait for PCH transcoder off, transcoder state */ |
1989 | /* wait for PCH transcoder off, transcoder state */ |
2006 | if (wait_for((I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE) == 0, 50)) |
1990 | if (wait_for((I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE) == 0, 50)) |
2007 | DRM_ERROR("Failed to disable PCH transcoder\n"); |
1991 | DRM_ERROR("Failed to disable PCH transcoder\n"); |
2008 | 1992 | ||
2009 | /* Workaround: clear timing override bit. */ |
1993 | /* Workaround: clear timing override bit. */ |
2010 | val = I915_READ(_TRANSA_CHICKEN2); |
1994 | val = I915_READ(_TRANSA_CHICKEN2); |
2011 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; |
1995 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; |
2012 | I915_WRITE(_TRANSA_CHICKEN2, val); |
1996 | I915_WRITE(_TRANSA_CHICKEN2, val); |
2013 | } |
1997 | } |
2014 | 1998 | ||
2015 | /** |
1999 | /** |
2016 | * intel_enable_pipe - enable a pipe, asserting requirements |
2000 | * intel_enable_pipe - enable a pipe, asserting requirements |
2017 | * @crtc: crtc responsible for the pipe |
2001 | * @crtc: crtc responsible for the pipe |
2018 | * |
2002 | * |
2019 | * Enable @crtc's pipe, making sure that various hardware specific requirements |
2003 | * Enable @crtc's pipe, making sure that various hardware specific requirements |
2020 | * are met, if applicable, e.g. PLL enabled, LVDS pairs enabled, etc. |
2004 | * are met, if applicable, e.g. PLL enabled, LVDS pairs enabled, etc. |
2021 | */ |
2005 | */ |
2022 | static void intel_enable_pipe(struct intel_crtc *crtc) |
2006 | static void intel_enable_pipe(struct intel_crtc *crtc) |
2023 | { |
2007 | { |
2024 | struct drm_device *dev = crtc->base.dev; |
2008 | struct drm_device *dev = crtc->base.dev; |
2025 | struct drm_i915_private *dev_priv = dev->dev_private; |
2009 | struct drm_i915_private *dev_priv = dev->dev_private; |
2026 | enum pipe pipe = crtc->pipe; |
2010 | enum pipe pipe = crtc->pipe; |
2027 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
2011 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
2028 | pipe); |
2012 | pipe); |
2029 | enum pipe pch_transcoder; |
2013 | enum pipe pch_transcoder; |
2030 | int reg; |
2014 | int reg; |
2031 | u32 val; |
2015 | u32 val; |
2032 | 2016 | ||
2033 | assert_planes_disabled(dev_priv, pipe); |
2017 | assert_planes_disabled(dev_priv, pipe); |
2034 | assert_cursor_disabled(dev_priv, pipe); |
2018 | assert_cursor_disabled(dev_priv, pipe); |
2035 | assert_sprites_disabled(dev_priv, pipe); |
2019 | assert_sprites_disabled(dev_priv, pipe); |
2036 | 2020 | ||
2037 | if (HAS_PCH_LPT(dev_priv->dev)) |
2021 | if (HAS_PCH_LPT(dev_priv->dev)) |
2038 | pch_transcoder = TRANSCODER_A; |
2022 | pch_transcoder = TRANSCODER_A; |
2039 | else |
2023 | else |
2040 | pch_transcoder = pipe; |
2024 | pch_transcoder = pipe; |
2041 | 2025 | ||
2042 | /* |
2026 | /* |
2043 | * A pipe without a PLL won't actually be able to drive bits from |
2027 | * A pipe without a PLL won't actually be able to drive bits from |
2044 | * a plane. On ILK+ the pipe PLLs are integrated, so we don't |
2028 | * a plane. On ILK+ the pipe PLLs are integrated, so we don't |
2045 | * need the check. |
2029 | * need the check. |
2046 | */ |
2030 | */ |
2047 | if (!HAS_PCH_SPLIT(dev_priv->dev)) |
2031 | if (!HAS_PCH_SPLIT(dev_priv->dev)) |
2048 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DSI)) |
2032 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI)) |
2049 | assert_dsi_pll_enabled(dev_priv); |
2033 | assert_dsi_pll_enabled(dev_priv); |
2050 | else |
2034 | else |
2051 | assert_pll_enabled(dev_priv, pipe); |
2035 | assert_pll_enabled(dev_priv, pipe); |
2052 | else { |
2036 | else { |
2053 | if (crtc->config.has_pch_encoder) { |
2037 | if (crtc->config.has_pch_encoder) { |
2054 | /* if driving the PCH, we need FDI enabled */ |
2038 | /* if driving the PCH, we need FDI enabled */ |
2055 | assert_fdi_rx_pll_enabled(dev_priv, pch_transcoder); |
2039 | assert_fdi_rx_pll_enabled(dev_priv, pch_transcoder); |
2056 | assert_fdi_tx_pll_enabled(dev_priv, |
2040 | assert_fdi_tx_pll_enabled(dev_priv, |
2057 | (enum pipe) cpu_transcoder); |
2041 | (enum pipe) cpu_transcoder); |
2058 | } |
2042 | } |
2059 | /* FIXME: assert CPU port conditions for SNB+ */ |
2043 | /* FIXME: assert CPU port conditions for SNB+ */ |
2060 | } |
2044 | } |
2061 | 2045 | ||
2062 | reg = PIPECONF(cpu_transcoder); |
2046 | reg = PIPECONF(cpu_transcoder); |
2063 | val = I915_READ(reg); |
2047 | val = I915_READ(reg); |
2064 | if (val & PIPECONF_ENABLE) { |
2048 | if (val & PIPECONF_ENABLE) { |
2065 | WARN_ON(!(pipe == PIPE_A && |
2049 | WARN_ON(!((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
2066 | dev_priv->quirks & QUIRK_PIPEA_FORCE)); |
2050 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE))); |
2067 | return; |
2051 | return; |
2068 | } |
2052 | } |
2069 | 2053 | ||
2070 | I915_WRITE(reg, val | PIPECONF_ENABLE); |
2054 | I915_WRITE(reg, val | PIPECONF_ENABLE); |
2071 | POSTING_READ(reg); |
2055 | POSTING_READ(reg); |
2072 | } |
2056 | } |
2073 | 2057 | ||
2074 | /** |
2058 | /** |
2075 | * intel_disable_pipe - disable a pipe, asserting requirements |
2059 | * intel_disable_pipe - disable a pipe, asserting requirements |
2076 | * @dev_priv: i915 private structure |
- | |
2077 | * @pipe: pipe to disable |
2060 | * @crtc: crtc whose pipes is to be disabled |
2078 | * |
- | |
2079 | * Disable @pipe, making sure that various hardware specific requirements |
- | |
2080 | * are met, if applicable, e.g. plane disabled, panel fitter off, etc. |
- | |
2081 | * |
2061 | * |
- | 2062 | * Disable the pipe of @crtc, making sure that various hardware |
|
- | 2063 | * specific requirements are met, if applicable, e.g. plane |
|
2082 | * @pipe should be %PIPE_A or %PIPE_B. |
2064 | * disabled, panel fitter off, etc. |
2083 | * |
2065 | * |
2084 | * Will wait until the pipe has shut down before returning. |
2066 | * Will wait until the pipe has shut down before returning. |
2085 | */ |
2067 | */ |
2086 | static void intel_disable_pipe(struct drm_i915_private *dev_priv, |
2068 | static void intel_disable_pipe(struct intel_crtc *crtc) |
2087 | enum pipe pipe) |
- | |
2088 | { |
2069 | { |
- | 2070 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
|
2089 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
2071 | enum transcoder cpu_transcoder = crtc->config.cpu_transcoder; |
2090 | pipe); |
2072 | enum pipe pipe = crtc->pipe; |
2091 | int reg; |
2073 | int reg; |
2092 | u32 val; |
2074 | u32 val; |
2093 | 2075 | ||
2094 | /* |
2076 | /* |
2095 | * Make sure planes won't keep trying to pump pixels to us, |
2077 | * Make sure planes won't keep trying to pump pixels to us, |
2096 | * or we might hang the display. |
2078 | * or we might hang the display. |
2097 | */ |
2079 | */ |
2098 | assert_planes_disabled(dev_priv, pipe); |
2080 | assert_planes_disabled(dev_priv, pipe); |
2099 | assert_cursor_disabled(dev_priv, pipe); |
2081 | assert_cursor_disabled(dev_priv, pipe); |
2100 | assert_sprites_disabled(dev_priv, pipe); |
2082 | assert_sprites_disabled(dev_priv, pipe); |
2101 | - | ||
2102 | /* Don't disable pipe A or pipe A PLLs if needed */ |
- | |
2103 | if (pipe == PIPE_A && (dev_priv->quirks & QUIRK_PIPEA_FORCE)) |
- | |
2104 | return; |
- | |
2105 | 2083 | ||
2106 | reg = PIPECONF(cpu_transcoder); |
2084 | reg = PIPECONF(cpu_transcoder); |
2107 | val = I915_READ(reg); |
2085 | val = I915_READ(reg); |
2108 | if ((val & PIPECONF_ENABLE) == 0) |
2086 | if ((val & PIPECONF_ENABLE) == 0) |
2109 | return; |
2087 | return; |
- | 2088 | ||
- | 2089 | /* |
|
- | 2090 | * Double wide has implications for planes |
|
- | 2091 | * so best keep it disabled when not needed. |
|
- | 2092 | */ |
|
- | 2093 | if (crtc->config.double_wide) |
|
- | 2094 | val &= ~PIPECONF_DOUBLE_WIDE; |
|
- | 2095 | ||
- | 2096 | /* Don't disable pipe or pipe PLLs if needed */ |
|
- | 2097 | if (!(pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) && |
|
2110 | 2098 | !(pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) |
|
- | 2099 | val &= ~PIPECONF_ENABLE; |
|
- | 2100 | ||
- | 2101 | I915_WRITE(reg, val); |
|
2111 | I915_WRITE(reg, val & ~PIPECONF_ENABLE); |
2102 | if ((val & PIPECONF_ENABLE) == 0) |
2112 | intel_wait_for_pipe_off(dev_priv->dev, pipe); |
2103 | intel_wait_for_pipe_off(crtc); |
2113 | } |
2104 | } |
2114 | 2105 | ||
2115 | /* |
2106 | /* |
2116 | * Plane regs are double buffered, going from enabled->disabled needs a |
2107 | * Plane regs are double buffered, going from enabled->disabled needs a |
2117 | * trigger in order to latch. The display address reg provides this. |
2108 | * trigger in order to latch. The display address reg provides this. |
2118 | */ |
2109 | */ |
2119 | void intel_flush_primary_plane(struct drm_i915_private *dev_priv, |
2110 | void intel_flush_primary_plane(struct drm_i915_private *dev_priv, |
2120 | enum plane plane) |
2111 | enum plane plane) |
2121 | { |
2112 | { |
2122 | struct drm_device *dev = dev_priv->dev; |
2113 | struct drm_device *dev = dev_priv->dev; |
2123 | u32 reg = INTEL_INFO(dev)->gen >= 4 ? DSPSURF(plane) : DSPADDR(plane); |
2114 | u32 reg = INTEL_INFO(dev)->gen >= 4 ? DSPSURF(plane) : DSPADDR(plane); |
2124 | 2115 | ||
2125 | I915_WRITE(reg, I915_READ(reg)); |
2116 | I915_WRITE(reg, I915_READ(reg)); |
2126 | POSTING_READ(reg); |
2117 | POSTING_READ(reg); |
2127 | } |
2118 | } |
2128 | 2119 | ||
2129 | /** |
2120 | /** |
2130 | * intel_enable_primary_hw_plane - enable the primary plane on a given pipe |
2121 | * intel_enable_primary_hw_plane - enable the primary plane on a given pipe |
2131 | * @dev_priv: i915 private structure |
- | |
2132 | * @plane: plane to enable |
2122 | * @plane: plane to be enabled |
2133 | * @pipe: pipe being fed |
2123 | * @crtc: crtc for the plane |
2134 | * |
2124 | * |
2135 | * Enable @plane on @pipe, making sure that @pipe is running first. |
2125 | * Enable @plane on @crtc, making sure that the pipe is running first. |
2136 | */ |
2126 | */ |
2137 | static void intel_enable_primary_hw_plane(struct drm_i915_private *dev_priv, |
2127 | static void intel_enable_primary_hw_plane(struct drm_plane *plane, |
2138 | enum plane plane, enum pipe pipe) |
2128 | struct drm_crtc *crtc) |
2139 | { |
2129 | { |
2140 | struct drm_device *dev = dev_priv->dev; |
2130 | struct drm_device *dev = plane->dev; |
2141 | struct intel_crtc *intel_crtc = |
2131 | struct drm_i915_private *dev_priv = dev->dev_private; |
2142 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
2132 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2143 | int reg; |
- | |
2144 | u32 val; |
- | |
2145 | 2133 | ||
2146 | /* If the pipe isn't enabled, we can't pump pixels and may hang */ |
2134 | /* If the pipe isn't enabled, we can't pump pixels and may hang */ |
2147 | assert_pipe_enabled(dev_priv, pipe); |
2135 | assert_pipe_enabled(dev_priv, intel_crtc->pipe); |
2148 | 2136 | ||
2149 | if (intel_crtc->primary_enabled) |
2137 | if (intel_crtc->primary_enabled) |
2150 | return; |
2138 | return; |
2151 | 2139 | ||
2152 | intel_crtc->primary_enabled = true; |
2140 | intel_crtc->primary_enabled = true; |
2153 | 2141 | ||
2154 | reg = DSPCNTR(plane); |
2142 | dev_priv->display.update_primary_plane(crtc, plane->fb, |
2155 | val = I915_READ(reg); |
- | |
- | 2143 | crtc->x, crtc->y); |
|
- | 2144 | ||
2156 | WARN_ON(val & DISPLAY_PLANE_ENABLE); |
2145 | /* |
- | 2146 | * BDW signals flip done immediately if the plane |
|
- | 2147 | * is disabled, even if the plane enable is already |
|
- | 2148 | * armed to occur at the next vblank :( |
|
2157 | 2149 | */ |
|
2158 | I915_WRITE(reg, val | DISPLAY_PLANE_ENABLE); |
2150 | if (IS_BROADWELL(dev)) |
2159 | intel_flush_primary_plane(dev_priv, plane); |
2151 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
2160 | } |
2152 | } |
2161 | 2153 | ||
2162 | /** |
2154 | /** |
2163 | * intel_disable_primary_hw_plane - disable the primary hardware plane |
2155 | * intel_disable_primary_hw_plane - disable the primary hardware plane |
2164 | * @dev_priv: i915 private structure |
- | |
2165 | * @plane: plane to disable |
2156 | * @plane: plane to be disabled |
2166 | * @pipe: pipe consuming the data |
2157 | * @crtc: crtc for the plane |
2167 | * |
2158 | * |
2168 | * Disable @plane; should be an independent operation. |
2159 | * Disable @plane on @crtc, making sure that the pipe is running first. |
2169 | */ |
2160 | */ |
2170 | static void intel_disable_primary_hw_plane(struct drm_i915_private *dev_priv, |
2161 | static void intel_disable_primary_hw_plane(struct drm_plane *plane, |
2171 | enum plane plane, enum pipe pipe) |
2162 | struct drm_crtc *crtc) |
2172 | { |
2163 | { |
2173 | struct intel_crtc *intel_crtc = |
2164 | struct drm_device *dev = plane->dev; |
2174 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
2165 | struct drm_i915_private *dev_priv = dev->dev_private; |
2175 | int reg; |
2166 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2176 | u32 val; |
2167 | |
- | 2168 | assert_pipe_enabled(dev_priv, intel_crtc->pipe); |
|
2177 | 2169 | ||
2178 | if (!intel_crtc->primary_enabled) |
2170 | if (!intel_crtc->primary_enabled) |
2179 | return; |
2171 | return; |
2180 | 2172 | ||
2181 | intel_crtc->primary_enabled = false; |
2173 | intel_crtc->primary_enabled = false; |
2182 | - | ||
2183 | reg = DSPCNTR(plane); |
- | |
2184 | val = I915_READ(reg); |
2174 | |
2185 | WARN_ON((val & DISPLAY_PLANE_ENABLE) == 0); |
- | |
2186 | - | ||
2187 | I915_WRITE(reg, val & ~DISPLAY_PLANE_ENABLE); |
2175 | dev_priv->display.update_primary_plane(crtc, plane->fb, |
2188 | intel_flush_primary_plane(dev_priv, plane); |
2176 | crtc->x, crtc->y); |
2189 | } |
2177 | } |
2190 | 2178 | ||
2191 | static bool need_vtd_wa(struct drm_device *dev) |
2179 | static bool need_vtd_wa(struct drm_device *dev) |
2192 | { |
2180 | { |
2193 | #ifdef CONFIG_INTEL_IOMMU |
2181 | #ifdef CONFIG_INTEL_IOMMU |
2194 | if (INTEL_INFO(dev)->gen >= 6 && intel_iommu_gfx_mapped) |
2182 | if (INTEL_INFO(dev)->gen >= 6 && intel_iommu_gfx_mapped) |
2195 | return true; |
2183 | return true; |
2196 | #endif |
2184 | #endif |
2197 | return false; |
2185 | return false; |
2198 | } |
2186 | } |
2199 | 2187 | ||
2200 | static int intel_align_height(struct drm_device *dev, int height, bool tiled) |
2188 | static int intel_align_height(struct drm_device *dev, int height, bool tiled) |
2201 | { |
2189 | { |
2202 | int tile_height; |
2190 | int tile_height; |
2203 | 2191 | ||
2204 | tile_height = tiled ? (IS_GEN2(dev) ? 16 : 8) : 1; |
2192 | tile_height = tiled ? (IS_GEN2(dev) ? 16 : 8) : 1; |
2205 | return ALIGN(height, tile_height); |
2193 | return ALIGN(height, tile_height); |
2206 | } |
2194 | } |
2207 | 2195 | ||
2208 | int |
2196 | int |
2209 | intel_pin_and_fence_fb_obj(struct drm_device *dev, |
2197 | intel_pin_and_fence_fb_obj(struct drm_plane *plane, |
2210 | struct drm_i915_gem_object *obj, |
2198 | struct drm_framebuffer *fb, |
2211 | struct intel_engine_cs *pipelined) |
2199 | struct intel_engine_cs *pipelined) |
2212 | { |
2200 | { |
- | 2201 | struct drm_device *dev = fb->dev; |
|
2213 | struct drm_i915_private *dev_priv = dev->dev_private; |
2202 | struct drm_i915_private *dev_priv = dev->dev_private; |
- | 2203 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
|
2214 | u32 alignment; |
2204 | u32 alignment; |
2215 | int ret; |
2205 | int ret; |
2216 | 2206 | ||
2217 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
2207 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
2218 | 2208 | ||
2219 | switch (obj->tiling_mode) { |
2209 | switch (obj->tiling_mode) { |
2220 | case I915_TILING_NONE: |
2210 | case I915_TILING_NONE: |
- | 2211 | if (INTEL_INFO(dev)->gen >= 9) |
|
- | 2212 | alignment = 256 * 1024; |
|
2221 | if (IS_BROADWATER(dev) || IS_CRESTLINE(dev)) |
2213 | else if (IS_BROADWATER(dev) || IS_CRESTLINE(dev)) |
2222 | alignment = 128 * 1024; |
2214 | alignment = 128 * 1024; |
2223 | else if (INTEL_INFO(dev)->gen >= 4) |
2215 | else if (INTEL_INFO(dev)->gen >= 4) |
2224 | alignment = 4 * 1024; |
2216 | alignment = 4 * 1024; |
2225 | else |
2217 | else |
2226 | alignment = 64 * 1024; |
2218 | alignment = 64 * 1024; |
2227 | break; |
2219 | break; |
2228 | case I915_TILING_X: |
2220 | case I915_TILING_X: |
- | 2221 | if (INTEL_INFO(dev)->gen >= 9) |
|
- | 2222 | alignment = 256 * 1024; |
|
- | 2223 | else { |
|
2229 | /* pin() will align the object as required by fence */ |
2224 | /* pin() will align the object as required by fence */ |
2230 | alignment = 0; |
2225 | alignment = 0; |
- | 2226 | } |
|
2231 | break; |
2227 | break; |
2232 | case I915_TILING_Y: |
2228 | case I915_TILING_Y: |
2233 | WARN(1, "Y tiled bo slipped through, driver bug!\n"); |
2229 | WARN(1, "Y tiled bo slipped through, driver bug!\n"); |
2234 | return -EINVAL; |
2230 | return -EINVAL; |
2235 | default: |
2231 | default: |
2236 | BUG(); |
2232 | BUG(); |
2237 | } |
2233 | } |
2238 | 2234 | ||
2239 | /* Note that the w/a also requires 64 PTE of padding following the |
2235 | /* Note that the w/a also requires 64 PTE of padding following the |
2240 | * bo. We currently fill all unused PTE with the shadow page and so |
2236 | * bo. We currently fill all unused PTE with the shadow page and so |
2241 | * we should always have valid PTE following the scanout preventing |
2237 | * we should always have valid PTE following the scanout preventing |
2242 | * the VT-d warning. |
2238 | * the VT-d warning. |
2243 | */ |
2239 | */ |
2244 | if (need_vtd_wa(dev) && alignment < 256 * 1024) |
2240 | if (need_vtd_wa(dev) && alignment < 256 * 1024) |
2245 | alignment = 256 * 1024; |
2241 | alignment = 256 * 1024; |
2246 | 2242 | ||
2247 | /* |
2243 | /* |
2248 | * Global gtt pte registers are special registers which actually forward |
2244 | * Global gtt pte registers are special registers which actually forward |
2249 | * writes to a chunk of system memory. Which means that there is no risk |
2245 | * writes to a chunk of system memory. Which means that there is no risk |
2250 | * that the register values disappear as soon as we call |
2246 | * that the register values disappear as soon as we call |
2251 | * intel_runtime_pm_put(), so it is correct to wrap only the |
2247 | * intel_runtime_pm_put(), so it is correct to wrap only the |
2252 | * pin/unpin/fence and not more. |
2248 | * pin/unpin/fence and not more. |
2253 | */ |
2249 | */ |
2254 | intel_runtime_pm_get(dev_priv); |
2250 | intel_runtime_pm_get(dev_priv); |
2255 | 2251 | ||
2256 | dev_priv->mm.interruptible = false; |
2252 | dev_priv->mm.interruptible = false; |
2257 | ret = i915_gem_object_pin_to_display_plane(obj, alignment, pipelined); |
2253 | ret = i915_gem_object_pin_to_display_plane(obj, alignment, pipelined); |
2258 | if (ret) |
2254 | if (ret) |
2259 | goto err_interruptible; |
2255 | goto err_interruptible; |
2260 | 2256 | ||
2261 | /* Install a fence for tiled scan-out. Pre-i965 always needs a |
2257 | /* Install a fence for tiled scan-out. Pre-i965 always needs a |
2262 | * fence, whereas 965+ only requires a fence if using |
2258 | * fence, whereas 965+ only requires a fence if using |
2263 | * framebuffer compression. For simplicity, we always install |
2259 | * framebuffer compression. For simplicity, we always install |
2264 | * a fence as the cost is not that onerous. |
2260 | * a fence as the cost is not that onerous. |
2265 | */ |
2261 | */ |
2266 | ret = i915_gem_object_get_fence(obj); |
2262 | ret = i915_gem_object_get_fence(obj); |
2267 | if (ret) |
2263 | if (ret) |
2268 | goto err_unpin; |
2264 | goto err_unpin; |
2269 | 2265 | ||
2270 | i915_gem_object_pin_fence(obj); |
2266 | i915_gem_object_pin_fence(obj); |
2271 | 2267 | ||
2272 | dev_priv->mm.interruptible = true; |
2268 | dev_priv->mm.interruptible = true; |
2273 | intel_runtime_pm_put(dev_priv); |
2269 | intel_runtime_pm_put(dev_priv); |
2274 | return 0; |
2270 | return 0; |
2275 | 2271 | ||
2276 | err_unpin: |
2272 | err_unpin: |
2277 | i915_gem_object_unpin_from_display_plane(obj); |
2273 | i915_gem_object_unpin_from_display_plane(obj); |
2278 | err_interruptible: |
2274 | err_interruptible: |
2279 | dev_priv->mm.interruptible = true; |
2275 | dev_priv->mm.interruptible = true; |
2280 | intel_runtime_pm_put(dev_priv); |
2276 | intel_runtime_pm_put(dev_priv); |
2281 | return ret; |
2277 | return ret; |
2282 | } |
2278 | } |
2283 | 2279 | ||
2284 | void intel_unpin_fb_obj(struct drm_i915_gem_object *obj) |
2280 | void intel_unpin_fb_obj(struct drm_i915_gem_object *obj) |
2285 | { |
2281 | { |
2286 | WARN_ON(!mutex_is_locked(&obj->base.dev->struct_mutex)); |
2282 | WARN_ON(!mutex_is_locked(&obj->base.dev->struct_mutex)); |
2287 | 2283 | ||
2288 | i915_gem_object_unpin_fence(obj); |
2284 | i915_gem_object_unpin_fence(obj); |
2289 | // i915_gem_object_unpin_from_display_plane(obj); |
2285 | // i915_gem_object_unpin_from_display_plane(obj); |
2290 | } |
2286 | } |
2291 | 2287 | ||
2292 | /* Computes the linear offset to the base tile and adjusts x, y. bytes per pixel |
2288 | /* Computes the linear offset to the base tile and adjusts x, y. bytes per pixel |
2293 | * is assumed to be a power-of-two. */ |
2289 | * is assumed to be a power-of-two. */ |
2294 | unsigned long intel_gen4_compute_page_offset(int *x, int *y, |
2290 | unsigned long intel_gen4_compute_page_offset(int *x, int *y, |
2295 | unsigned int tiling_mode, |
2291 | unsigned int tiling_mode, |
2296 | unsigned int cpp, |
2292 | unsigned int cpp, |
2297 | unsigned int pitch) |
2293 | unsigned int pitch) |
2298 | { |
2294 | { |
2299 | if (tiling_mode != I915_TILING_NONE) { |
2295 | if (tiling_mode != I915_TILING_NONE) { |
2300 | unsigned int tile_rows, tiles; |
2296 | unsigned int tile_rows, tiles; |
2301 | 2297 | ||
2302 | tile_rows = *y / 8; |
2298 | tile_rows = *y / 8; |
2303 | *y %= 8; |
2299 | *y %= 8; |
2304 | 2300 | ||
2305 | tiles = *x / (512/cpp); |
2301 | tiles = *x / (512/cpp); |
2306 | *x %= 512/cpp; |
2302 | *x %= 512/cpp; |
2307 | 2303 | ||
2308 | return tile_rows * pitch * 8 + tiles * 4096; |
2304 | return tile_rows * pitch * 8 + tiles * 4096; |
2309 | } else { |
2305 | } else { |
2310 | unsigned int offset; |
2306 | unsigned int offset; |
2311 | 2307 | ||
2312 | offset = *y * pitch + *x * cpp; |
2308 | offset = *y * pitch + *x * cpp; |
2313 | *y = 0; |
2309 | *y = 0; |
2314 | *x = (offset & 4095) / cpp; |
2310 | *x = (offset & 4095) / cpp; |
2315 | return offset & -4096; |
2311 | return offset & -4096; |
2316 | } |
2312 | } |
2317 | } |
2313 | } |
2318 | 2314 | ||
2319 | int intel_format_to_fourcc(int format) |
2315 | int intel_format_to_fourcc(int format) |
2320 | { |
2316 | { |
2321 | switch (format) { |
2317 | switch (format) { |
2322 | case DISPPLANE_8BPP: |
2318 | case DISPPLANE_8BPP: |
2323 | return DRM_FORMAT_C8; |
2319 | return DRM_FORMAT_C8; |
2324 | case DISPPLANE_BGRX555: |
2320 | case DISPPLANE_BGRX555: |
2325 | return DRM_FORMAT_XRGB1555; |
2321 | return DRM_FORMAT_XRGB1555; |
2326 | case DISPPLANE_BGRX565: |
2322 | case DISPPLANE_BGRX565: |
2327 | return DRM_FORMAT_RGB565; |
2323 | return DRM_FORMAT_RGB565; |
2328 | default: |
2324 | default: |
2329 | case DISPPLANE_BGRX888: |
2325 | case DISPPLANE_BGRX888: |
2330 | return DRM_FORMAT_XRGB8888; |
2326 | return DRM_FORMAT_XRGB8888; |
2331 | case DISPPLANE_RGBX888: |
2327 | case DISPPLANE_RGBX888: |
2332 | return DRM_FORMAT_XBGR8888; |
2328 | return DRM_FORMAT_XBGR8888; |
2333 | case DISPPLANE_BGRX101010: |
2329 | case DISPPLANE_BGRX101010: |
2334 | return DRM_FORMAT_XRGB2101010; |
2330 | return DRM_FORMAT_XRGB2101010; |
2335 | case DISPPLANE_RGBX101010: |
2331 | case DISPPLANE_RGBX101010: |
2336 | return DRM_FORMAT_XBGR2101010; |
2332 | return DRM_FORMAT_XBGR2101010; |
2337 | } |
2333 | } |
2338 | } |
2334 | } |
2339 | 2335 | ||
2340 | static bool intel_alloc_plane_obj(struct intel_crtc *crtc, |
2336 | static bool intel_alloc_plane_obj(struct intel_crtc *crtc, |
2341 | struct intel_plane_config *plane_config) |
2337 | struct intel_plane_config *plane_config) |
2342 | { |
2338 | { |
2343 | struct drm_device *dev = crtc->base.dev; |
2339 | struct drm_device *dev = crtc->base.dev; |
2344 | struct drm_i915_gem_object *obj = NULL; |
2340 | struct drm_i915_gem_object *obj = NULL; |
2345 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; |
2341 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; |
2346 | u32 base = plane_config->base; |
2342 | u32 base = plane_config->base; |
2347 | 2343 | ||
2348 | if (plane_config->size == 0) |
2344 | if (plane_config->size == 0) |
2349 | return false; |
2345 | return false; |
2350 | 2346 | ||
2351 | obj = i915_gem_object_create_stolen_for_preallocated(dev, base, base, |
2347 | obj = i915_gem_object_create_stolen_for_preallocated(dev, base, base, |
2352 | plane_config->size); |
2348 | plane_config->size); |
2353 | if (!obj) |
2349 | if (!obj) |
2354 | return false; |
2350 | return false; |
2355 | 2351 | ||
2356 | main_fb_obj = obj; |
2352 | main_fb_obj = obj; |
2357 | 2353 | ||
2358 | if (plane_config->tiled) { |
2354 | if (plane_config->tiled) { |
2359 | obj->tiling_mode = I915_TILING_X; |
2355 | obj->tiling_mode = I915_TILING_X; |
2360 | obj->stride = crtc->base.primary->fb->pitches[0]; |
2356 | obj->stride = crtc->base.primary->fb->pitches[0]; |
2361 | } |
2357 | } |
2362 | 2358 | ||
2363 | mode_cmd.pixel_format = crtc->base.primary->fb->pixel_format; |
2359 | mode_cmd.pixel_format = crtc->base.primary->fb->pixel_format; |
2364 | mode_cmd.width = crtc->base.primary->fb->width; |
2360 | mode_cmd.width = crtc->base.primary->fb->width; |
2365 | mode_cmd.height = crtc->base.primary->fb->height; |
2361 | mode_cmd.height = crtc->base.primary->fb->height; |
2366 | mode_cmd.pitches[0] = crtc->base.primary->fb->pitches[0]; |
2362 | mode_cmd.pitches[0] = crtc->base.primary->fb->pitches[0]; |
2367 | 2363 | ||
2368 | mutex_lock(&dev->struct_mutex); |
2364 | mutex_lock(&dev->struct_mutex); |
2369 | 2365 | ||
2370 | if (intel_framebuffer_init(dev, to_intel_framebuffer(crtc->base.primary->fb), |
2366 | if (intel_framebuffer_init(dev, to_intel_framebuffer(crtc->base.primary->fb), |
2371 | &mode_cmd, obj)) { |
2367 | &mode_cmd, obj)) { |
2372 | DRM_DEBUG_KMS("intel fb init failed\n"); |
2368 | DRM_DEBUG_KMS("intel fb init failed\n"); |
2373 | goto out_unref_obj; |
2369 | goto out_unref_obj; |
2374 | } |
2370 | } |
2375 | 2371 | ||
2376 | obj->frontbuffer_bits = INTEL_FRONTBUFFER_PRIMARY(crtc->pipe); |
2372 | obj->frontbuffer_bits = INTEL_FRONTBUFFER_PRIMARY(crtc->pipe); |
2377 | mutex_unlock(&dev->struct_mutex); |
2373 | mutex_unlock(&dev->struct_mutex); |
2378 | 2374 | ||
2379 | DRM_DEBUG_KMS("plane fb obj %p\n", obj); |
2375 | DRM_DEBUG_KMS("plane fb obj %p\n", obj); |
2380 | return true; |
2376 | return true; |
2381 | 2377 | ||
2382 | out_unref_obj: |
2378 | out_unref_obj: |
2383 | drm_gem_object_unreference(&obj->base); |
2379 | drm_gem_object_unreference(&obj->base); |
2384 | mutex_unlock(&dev->struct_mutex); |
2380 | mutex_unlock(&dev->struct_mutex); |
2385 | return false; |
2381 | return false; |
2386 | } |
2382 | } |
2387 | 2383 | ||
2388 | static void intel_find_plane_obj(struct intel_crtc *intel_crtc, |
2384 | static void intel_find_plane_obj(struct intel_crtc *intel_crtc, |
2389 | struct intel_plane_config *plane_config) |
2385 | struct intel_plane_config *plane_config) |
2390 | { |
2386 | { |
2391 | struct drm_device *dev = intel_crtc->base.dev; |
2387 | struct drm_device *dev = intel_crtc->base.dev; |
- | 2388 | struct drm_i915_private *dev_priv = dev->dev_private; |
|
2392 | struct drm_crtc *c; |
2389 | struct drm_crtc *c; |
2393 | struct intel_crtc *i; |
2390 | struct intel_crtc *i; |
2394 | struct drm_i915_gem_object *obj; |
2391 | struct drm_i915_gem_object *obj; |
2395 | 2392 | ||
2396 | if (!intel_crtc->base.primary->fb) |
2393 | if (!intel_crtc->base.primary->fb) |
2397 | return; |
2394 | return; |
2398 | 2395 | ||
2399 | if (intel_alloc_plane_obj(intel_crtc, plane_config)) |
2396 | if (intel_alloc_plane_obj(intel_crtc, plane_config)) |
2400 | return; |
2397 | return; |
2401 | 2398 | ||
2402 | kfree(intel_crtc->base.primary->fb); |
2399 | kfree(intel_crtc->base.primary->fb); |
2403 | intel_crtc->base.primary->fb = NULL; |
2400 | intel_crtc->base.primary->fb = NULL; |
2404 | 2401 | ||
2405 | /* |
2402 | /* |
2406 | * Failed to alloc the obj, check to see if we should share |
2403 | * Failed to alloc the obj, check to see if we should share |
2407 | * an fb with another CRTC instead |
2404 | * an fb with another CRTC instead |
2408 | */ |
2405 | */ |
2409 | for_each_crtc(dev, c) { |
2406 | for_each_crtc(dev, c) { |
2410 | i = to_intel_crtc(c); |
2407 | i = to_intel_crtc(c); |
2411 | 2408 | ||
2412 | if (c == &intel_crtc->base) |
2409 | if (c == &intel_crtc->base) |
2413 | continue; |
2410 | continue; |
2414 | 2411 | ||
2415 | if (!i->active) |
2412 | if (!i->active) |
2416 | continue; |
2413 | continue; |
2417 | 2414 | ||
2418 | obj = intel_fb_obj(c->primary->fb); |
2415 | obj = intel_fb_obj(c->primary->fb); |
2419 | if (obj == NULL) |
2416 | if (obj == NULL) |
2420 | continue; |
2417 | continue; |
2421 | 2418 | ||
2422 | if (i915_gem_obj_ggtt_offset(obj) == plane_config->base) { |
2419 | if (i915_gem_obj_ggtt_offset(obj) == plane_config->base) { |
- | 2420 | if (obj->tiling_mode != I915_TILING_NONE) |
|
- | 2421 | dev_priv->preserve_bios_swizzle = true; |
|
- | 2422 | ||
2423 | drm_framebuffer_reference(c->primary->fb); |
2423 | drm_framebuffer_reference(c->primary->fb); |
2424 | intel_crtc->base.primary->fb = c->primary->fb; |
2424 | intel_crtc->base.primary->fb = c->primary->fb; |
2425 | obj->frontbuffer_bits |= INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe); |
2425 | obj->frontbuffer_bits |= INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe); |
2426 | break; |
2426 | break; |
2427 | } |
2427 | } |
2428 | } |
2428 | } |
2429 | } |
2429 | } |
2430 | 2430 | ||
2431 | static void i9xx_update_primary_plane(struct drm_crtc *crtc, |
2431 | static void i9xx_update_primary_plane(struct drm_crtc *crtc, |
2432 | struct drm_framebuffer *fb, |
2432 | struct drm_framebuffer *fb, |
2433 | int x, int y) |
2433 | int x, int y) |
2434 | { |
2434 | { |
2435 | struct drm_device *dev = crtc->dev; |
2435 | struct drm_device *dev = crtc->dev; |
2436 | struct drm_i915_private *dev_priv = dev->dev_private; |
2436 | struct drm_i915_private *dev_priv = dev->dev_private; |
2437 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2437 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2438 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
2438 | struct drm_i915_gem_object *obj; |
2439 | int plane = intel_crtc->plane; |
2439 | int plane = intel_crtc->plane; |
2440 | unsigned long linear_offset; |
2440 | unsigned long linear_offset; |
2441 | u32 dspcntr; |
2441 | u32 dspcntr; |
- | 2442 | u32 reg = DSPCNTR(plane); |
|
- | 2443 | int pixel_size; |
|
- | 2444 | ||
- | 2445 | if (!intel_crtc->primary_enabled) { |
|
- | 2446 | I915_WRITE(reg, 0); |
|
- | 2447 | if (INTEL_INFO(dev)->gen >= 4) |
|
- | 2448 | I915_WRITE(DSPSURF(plane), 0); |
|
- | 2449 | else |
|
- | 2450 | I915_WRITE(DSPADDR(plane), 0); |
|
- | 2451 | POSTING_READ(reg); |
|
2442 | u32 reg; |
2452 | return; |
- | 2453 | } |
|
- | 2454 | ||
- | 2455 | obj = intel_fb_obj(fb); |
|
- | 2456 | if (WARN_ON(obj == NULL)) |
|
- | 2457 | return; |
|
- | 2458 | ||
- | 2459 | pixel_size = drm_format_plane_cpp(fb->pixel_format, 0); |
|
- | 2460 | ||
- | 2461 | dspcntr = DISPPLANE_GAMMA_ENABLE; |
|
- | 2462 | ||
- | 2463 | dspcntr |= DISPLAY_PLANE_ENABLE; |
|
- | 2464 | ||
- | 2465 | if (INTEL_INFO(dev)->gen < 4) { |
|
- | 2466 | if (intel_crtc->pipe == PIPE_B) |
|
- | 2467 | dspcntr |= DISPPLANE_SEL_PIPE_B; |
|
- | 2468 | ||
- | 2469 | /* pipesrc and dspsize control the size that is scaled from, |
|
- | 2470 | * which should always be the user's requested size. |
|
- | 2471 | */ |
|
- | 2472 | I915_WRITE(DSPSIZE(plane), |
|
- | 2473 | ((intel_crtc->config.pipe_src_h - 1) << 16) | |
|
- | 2474 | (intel_crtc->config.pipe_src_w - 1)); |
|
- | 2475 | I915_WRITE(DSPPOS(plane), 0); |
|
- | 2476 | } else if (IS_CHERRYVIEW(dev) && plane == PLANE_B) { |
|
- | 2477 | I915_WRITE(PRIMSIZE(plane), |
|
- | 2478 | ((intel_crtc->config.pipe_src_h - 1) << 16) | |
|
- | 2479 | (intel_crtc->config.pipe_src_w - 1)); |
|
- | 2480 | I915_WRITE(PRIMPOS(plane), 0); |
|
- | 2481 | I915_WRITE(PRIMCNSTALPHA(plane), 0); |
|
- | 2482 | } |
|
2443 | - | ||
2444 | reg = DSPCNTR(plane); |
- | |
2445 | dspcntr = I915_READ(reg); |
- | |
2446 | /* Mask out pixel format bits in case we change it */ |
- | |
2447 | dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; |
2483 | |
2448 | switch (fb->pixel_format) { |
2484 | switch (fb->pixel_format) { |
2449 | case DRM_FORMAT_C8: |
2485 | case DRM_FORMAT_C8: |
2450 | dspcntr |= DISPPLANE_8BPP; |
2486 | dspcntr |= DISPPLANE_8BPP; |
2451 | break; |
2487 | break; |
2452 | case DRM_FORMAT_XRGB1555: |
2488 | case DRM_FORMAT_XRGB1555: |
2453 | case DRM_FORMAT_ARGB1555: |
2489 | case DRM_FORMAT_ARGB1555: |
2454 | dspcntr |= DISPPLANE_BGRX555; |
2490 | dspcntr |= DISPPLANE_BGRX555; |
2455 | break; |
2491 | break; |
2456 | case DRM_FORMAT_RGB565: |
2492 | case DRM_FORMAT_RGB565: |
2457 | dspcntr |= DISPPLANE_BGRX565; |
2493 | dspcntr |= DISPPLANE_BGRX565; |
2458 | break; |
2494 | break; |
2459 | case DRM_FORMAT_XRGB8888: |
2495 | case DRM_FORMAT_XRGB8888: |
2460 | case DRM_FORMAT_ARGB8888: |
2496 | case DRM_FORMAT_ARGB8888: |
2461 | dspcntr |= DISPPLANE_BGRX888; |
2497 | dspcntr |= DISPPLANE_BGRX888; |
2462 | break; |
2498 | break; |
2463 | case DRM_FORMAT_XBGR8888: |
2499 | case DRM_FORMAT_XBGR8888: |
2464 | case DRM_FORMAT_ABGR8888: |
2500 | case DRM_FORMAT_ABGR8888: |
2465 | dspcntr |= DISPPLANE_RGBX888; |
2501 | dspcntr |= DISPPLANE_RGBX888; |
2466 | break; |
2502 | break; |
2467 | case DRM_FORMAT_XRGB2101010: |
2503 | case DRM_FORMAT_XRGB2101010: |
2468 | case DRM_FORMAT_ARGB2101010: |
2504 | case DRM_FORMAT_ARGB2101010: |
2469 | dspcntr |= DISPPLANE_BGRX101010; |
2505 | dspcntr |= DISPPLANE_BGRX101010; |
2470 | break; |
2506 | break; |
2471 | case DRM_FORMAT_XBGR2101010: |
2507 | case DRM_FORMAT_XBGR2101010: |
2472 | case DRM_FORMAT_ABGR2101010: |
2508 | case DRM_FORMAT_ABGR2101010: |
2473 | dspcntr |= DISPPLANE_RGBX101010; |
2509 | dspcntr |= DISPPLANE_RGBX101010; |
2474 | break; |
2510 | break; |
2475 | default: |
2511 | default: |
2476 | BUG(); |
2512 | BUG(); |
2477 | } |
2513 | } |
2478 | 2514 | ||
2479 | if (INTEL_INFO(dev)->gen >= 4) { |
2515 | if (INTEL_INFO(dev)->gen >= 4 && |
2480 | if (obj->tiling_mode != I915_TILING_NONE) |
2516 | obj->tiling_mode != I915_TILING_NONE) |
2481 | dspcntr |= DISPPLANE_TILED; |
- | |
2482 | else |
- | |
2483 | dspcntr &= ~DISPPLANE_TILED; |
- | |
2484 | } |
2517 | dspcntr |= DISPPLANE_TILED; |
2485 | 2518 | ||
2486 | if (IS_G4X(dev)) |
2519 | if (IS_G4X(dev)) |
2487 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; |
2520 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; |
2488 | - | ||
2489 | I915_WRITE(reg, dspcntr); |
- | |
2490 | 2521 | ||
2491 | linear_offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8); |
2522 | linear_offset = y * fb->pitches[0] + x * pixel_size; |
2492 | 2523 | ||
2493 | if (INTEL_INFO(dev)->gen >= 4) { |
2524 | if (INTEL_INFO(dev)->gen >= 4) { |
2494 | intel_crtc->dspaddr_offset = |
2525 | intel_crtc->dspaddr_offset = |
2495 | intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode, |
2526 | intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode, |
2496 | fb->bits_per_pixel / 8, |
2527 | pixel_size, |
2497 | fb->pitches[0]); |
2528 | fb->pitches[0]); |
2498 | linear_offset -= intel_crtc->dspaddr_offset; |
2529 | linear_offset -= intel_crtc->dspaddr_offset; |
2499 | } else { |
2530 | } else { |
2500 | intel_crtc->dspaddr_offset = linear_offset; |
2531 | intel_crtc->dspaddr_offset = linear_offset; |
2501 | } |
2532 | } |
- | 2533 | ||
- | 2534 | if (to_intel_plane(crtc->primary)->rotation == BIT(DRM_ROTATE_180)) { |
|
- | 2535 | dspcntr |= DISPPLANE_ROTATE_180; |
|
- | 2536 | ||
- | 2537 | x += (intel_crtc->config.pipe_src_w - 1); |
|
- | 2538 | y += (intel_crtc->config.pipe_src_h - 1); |
|
- | 2539 | ||
- | 2540 | /* Finding the last pixel of the last line of the display |
|
- | 2541 | data and adding to linear_offset*/ |
|
- | 2542 | linear_offset += |
|
- | 2543 | (intel_crtc->config.pipe_src_h - 1) * fb->pitches[0] + |
|
- | 2544 | (intel_crtc->config.pipe_src_w - 1) * pixel_size; |
|
- | 2545 | } |
|
- | 2546 | ||
- | 2547 | I915_WRITE(reg, dspcntr); |
|
2502 | 2548 | ||
2503 | DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n", |
2549 | DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n", |
2504 | i915_gem_obj_ggtt_offset(obj), linear_offset, x, y, |
2550 | i915_gem_obj_ggtt_offset(obj), linear_offset, x, y, |
2505 | fb->pitches[0]); |
2551 | fb->pitches[0]); |
2506 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
2552 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
2507 | if (INTEL_INFO(dev)->gen >= 4) { |
2553 | if (INTEL_INFO(dev)->gen >= 4) { |
2508 | I915_WRITE(DSPSURF(plane), |
2554 | I915_WRITE(DSPSURF(plane), |
2509 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); |
2555 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); |
2510 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); |
2556 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); |
2511 | I915_WRITE(DSPLINOFF(plane), linear_offset); |
2557 | I915_WRITE(DSPLINOFF(plane), linear_offset); |
2512 | } else |
2558 | } else |
2513 | I915_WRITE(DSPADDR(plane), i915_gem_obj_ggtt_offset(obj) + linear_offset); |
2559 | I915_WRITE(DSPADDR(plane), i915_gem_obj_ggtt_offset(obj) + linear_offset); |
2514 | POSTING_READ(reg); |
2560 | POSTING_READ(reg); |
2515 | } |
2561 | } |
2516 | 2562 | ||
2517 | static void ironlake_update_primary_plane(struct drm_crtc *crtc, |
2563 | static void ironlake_update_primary_plane(struct drm_crtc *crtc, |
2518 | struct drm_framebuffer *fb, |
2564 | struct drm_framebuffer *fb, |
2519 | int x, int y) |
2565 | int x, int y) |
2520 | { |
2566 | { |
2521 | struct drm_device *dev = crtc->dev; |
2567 | struct drm_device *dev = crtc->dev; |
2522 | struct drm_i915_private *dev_priv = dev->dev_private; |
2568 | struct drm_i915_private *dev_priv = dev->dev_private; |
2523 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2569 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2524 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
2570 | struct drm_i915_gem_object *obj; |
2525 | int plane = intel_crtc->plane; |
2571 | int plane = intel_crtc->plane; |
2526 | unsigned long linear_offset; |
2572 | unsigned long linear_offset; |
2527 | u32 dspcntr; |
2573 | u32 dspcntr; |
- | 2574 | u32 reg = DSPCNTR(plane); |
|
- | 2575 | int pixel_size; |
|
- | 2576 | ||
- | 2577 | if (!intel_crtc->primary_enabled) { |
|
- | 2578 | I915_WRITE(reg, 0); |
|
- | 2579 | I915_WRITE(DSPSURF(plane), 0); |
|
- | 2580 | POSTING_READ(reg); |
|
2528 | u32 reg; |
2581 | return; |
- | 2582 | } |
|
- | 2583 | ||
- | 2584 | obj = intel_fb_obj(fb); |
|
- | 2585 | if (WARN_ON(obj == NULL)) |
|
- | 2586 | return; |
|
- | 2587 | ||
- | 2588 | pixel_size = drm_format_plane_cpp(fb->pixel_format, 0); |
|
- | 2589 | ||
- | 2590 | dspcntr = DISPPLANE_GAMMA_ENABLE; |
|
- | 2591 | ||
- | 2592 | dspcntr |= DISPLAY_PLANE_ENABLE; |
|
- | 2593 | ||
- | 2594 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
|
- | 2595 | dspcntr |= DISPPLANE_PIPE_CSC_ENABLE; |
|
2529 | - | ||
2530 | reg = DSPCNTR(plane); |
- | |
2531 | dspcntr = I915_READ(reg); |
- | |
2532 | /* Mask out pixel format bits in case we change it */ |
- | |
2533 | dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; |
2596 | |
2534 | switch (fb->pixel_format) { |
2597 | switch (fb->pixel_format) { |
2535 | case DRM_FORMAT_C8: |
2598 | case DRM_FORMAT_C8: |
2536 | dspcntr |= DISPPLANE_8BPP; |
2599 | dspcntr |= DISPPLANE_8BPP; |
2537 | break; |
2600 | break; |
2538 | case DRM_FORMAT_RGB565: |
2601 | case DRM_FORMAT_RGB565: |
2539 | dspcntr |= DISPPLANE_BGRX565; |
2602 | dspcntr |= DISPPLANE_BGRX565; |
2540 | break; |
2603 | break; |
2541 | case DRM_FORMAT_XRGB8888: |
2604 | case DRM_FORMAT_XRGB8888: |
2542 | case DRM_FORMAT_ARGB8888: |
2605 | case DRM_FORMAT_ARGB8888: |
2543 | dspcntr |= DISPPLANE_BGRX888; |
2606 | dspcntr |= DISPPLANE_BGRX888; |
2544 | break; |
2607 | break; |
2545 | case DRM_FORMAT_XBGR8888: |
2608 | case DRM_FORMAT_XBGR8888: |
2546 | case DRM_FORMAT_ABGR8888: |
2609 | case DRM_FORMAT_ABGR8888: |
2547 | dspcntr |= DISPPLANE_RGBX888; |
2610 | dspcntr |= DISPPLANE_RGBX888; |
2548 | break; |
2611 | break; |
2549 | case DRM_FORMAT_XRGB2101010: |
2612 | case DRM_FORMAT_XRGB2101010: |
2550 | case DRM_FORMAT_ARGB2101010: |
2613 | case DRM_FORMAT_ARGB2101010: |
2551 | dspcntr |= DISPPLANE_BGRX101010; |
2614 | dspcntr |= DISPPLANE_BGRX101010; |
2552 | break; |
2615 | break; |
2553 | case DRM_FORMAT_XBGR2101010: |
2616 | case DRM_FORMAT_XBGR2101010: |
2554 | case DRM_FORMAT_ABGR2101010: |
2617 | case DRM_FORMAT_ABGR2101010: |
2555 | dspcntr |= DISPPLANE_RGBX101010; |
2618 | dspcntr |= DISPPLANE_RGBX101010; |
2556 | break; |
2619 | break; |
2557 | default: |
2620 | default: |
2558 | BUG(); |
2621 | BUG(); |
2559 | } |
2622 | } |
2560 | 2623 | ||
2561 | if (obj->tiling_mode != I915_TILING_NONE) |
2624 | if (obj->tiling_mode != I915_TILING_NONE) |
2562 | dspcntr |= DISPPLANE_TILED; |
2625 | dspcntr |= DISPPLANE_TILED; |
2563 | else |
- | |
2564 | dspcntr &= ~DISPPLANE_TILED; |
- | |
2565 | 2626 | ||
2566 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
- | |
2567 | dspcntr &= ~DISPPLANE_TRICKLE_FEED_DISABLE; |
- | |
2568 | else |
2627 | if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) |
2569 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; |
- | |
2570 | - | ||
2571 | I915_WRITE(reg, dspcntr); |
2628 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; |
2572 | 2629 | ||
2573 | linear_offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8); |
2630 | linear_offset = y * fb->pitches[0] + x * pixel_size; |
2574 | intel_crtc->dspaddr_offset = |
2631 | intel_crtc->dspaddr_offset = |
2575 | intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode, |
2632 | intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode, |
2576 | fb->bits_per_pixel / 8, |
2633 | pixel_size, |
- | 2634 | fb->pitches[0]); |
|
- | 2635 | linear_offset -= intel_crtc->dspaddr_offset; |
|
- | 2636 | if (to_intel_plane(crtc->primary)->rotation == BIT(DRM_ROTATE_180)) { |
|
- | 2637 | dspcntr |= DISPPLANE_ROTATE_180; |
|
- | 2638 | ||
- | 2639 | if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) { |
|
- | 2640 | x += (intel_crtc->config.pipe_src_w - 1); |
|
- | 2641 | y += (intel_crtc->config.pipe_src_h - 1); |
|
- | 2642 | ||
- | 2643 | /* Finding the last pixel of the last line of the display |
|
- | 2644 | data and adding to linear_offset*/ |
|
- | 2645 | linear_offset += |
|
- | 2646 | (intel_crtc->config.pipe_src_h - 1) * fb->pitches[0] + |
|
- | 2647 | (intel_crtc->config.pipe_src_w - 1) * pixel_size; |
|
- | 2648 | } |
|
- | 2649 | } |
|
2577 | fb->pitches[0]); |
2650 | |
2578 | linear_offset -= intel_crtc->dspaddr_offset; |
2651 | I915_WRITE(reg, dspcntr); |
2579 | 2652 | ||
2580 | DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n", |
2653 | DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n", |
2581 | i915_gem_obj_ggtt_offset(obj), linear_offset, x, y, |
2654 | i915_gem_obj_ggtt_offset(obj), linear_offset, x, y, |
2582 | fb->pitches[0]); |
2655 | fb->pitches[0]); |
2583 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
2656 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
2584 | I915_WRITE(DSPSURF(plane), |
2657 | I915_WRITE(DSPSURF(plane), |
2585 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); |
2658 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); |
2586 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
2659 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
2587 | I915_WRITE(DSPOFFSET(plane), (y << 16) | x); |
2660 | I915_WRITE(DSPOFFSET(plane), (y << 16) | x); |
2588 | } else { |
2661 | } else { |
2589 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); |
2662 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); |
2590 | I915_WRITE(DSPLINOFF(plane), linear_offset); |
2663 | I915_WRITE(DSPLINOFF(plane), linear_offset); |
2591 | } |
2664 | } |
2592 | POSTING_READ(reg); |
2665 | POSTING_READ(reg); |
2593 | } |
2666 | } |
- | 2667 | ||
- | 2668 | static void skylake_update_primary_plane(struct drm_crtc *crtc, |
|
- | 2669 | struct drm_framebuffer *fb, |
|
- | 2670 | int x, int y) |
|
- | 2671 | { |
|
- | 2672 | struct drm_device *dev = crtc->dev; |
|
- | 2673 | struct drm_i915_private *dev_priv = dev->dev_private; |
|
- | 2674 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
|
- | 2675 | struct intel_framebuffer *intel_fb; |
|
- | 2676 | struct drm_i915_gem_object *obj; |
|
- | 2677 | int pipe = intel_crtc->pipe; |
|
- | 2678 | u32 plane_ctl, stride; |
|
- | 2679 | ||
- | 2680 | if (!intel_crtc->primary_enabled) { |
|
- | 2681 | I915_WRITE(PLANE_CTL(pipe, 0), 0); |
|
- | 2682 | I915_WRITE(PLANE_SURF(pipe, 0), 0); |
|
- | 2683 | POSTING_READ(PLANE_CTL(pipe, 0)); |
|
- | 2684 | return; |
|
- | 2685 | } |
|
- | 2686 | ||
- | 2687 | plane_ctl = PLANE_CTL_ENABLE | |
|
- | 2688 | PLANE_CTL_PIPE_GAMMA_ENABLE | |
|
- | 2689 | PLANE_CTL_PIPE_CSC_ENABLE; |
|
- | 2690 | ||
- | 2691 | switch (fb->pixel_format) { |
|
- | 2692 | case DRM_FORMAT_RGB565: |
|
- | 2693 | plane_ctl |= PLANE_CTL_FORMAT_RGB_565; |
|
- | 2694 | break; |
|
- | 2695 | case DRM_FORMAT_XRGB8888: |
|
- | 2696 | plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888; |
|
- | 2697 | break; |
|
- | 2698 | case DRM_FORMAT_XBGR8888: |
|
- | 2699 | plane_ctl |= PLANE_CTL_ORDER_RGBX; |
|
- | 2700 | plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888; |
|
- | 2701 | break; |
|
- | 2702 | case DRM_FORMAT_XRGB2101010: |
|
- | 2703 | plane_ctl |= PLANE_CTL_FORMAT_XRGB_2101010; |
|
- | 2704 | break; |
|
- | 2705 | case DRM_FORMAT_XBGR2101010: |
|
- | 2706 | plane_ctl |= PLANE_CTL_ORDER_RGBX; |
|
- | 2707 | plane_ctl |= PLANE_CTL_FORMAT_XRGB_2101010; |
|
- | 2708 | break; |
|
- | 2709 | default: |
|
- | 2710 | BUG(); |
|
- | 2711 | } |
|
- | 2712 | ||
- | 2713 | intel_fb = to_intel_framebuffer(fb); |
|
- | 2714 | obj = intel_fb->obj; |
|
- | 2715 | ||
- | 2716 | /* |
|
- | 2717 | * The stride is either expressed as a multiple of 64 bytes chunks for |
|
- | 2718 | * linear buffers or in number of tiles for tiled buffers. |
|
- | 2719 | */ |
|
- | 2720 | switch (obj->tiling_mode) { |
|
- | 2721 | case I915_TILING_NONE: |
|
- | 2722 | stride = fb->pitches[0] >> 6; |
|
- | 2723 | break; |
|
- | 2724 | case I915_TILING_X: |
|
- | 2725 | plane_ctl |= PLANE_CTL_TILED_X; |
|
- | 2726 | stride = fb->pitches[0] >> 9; |
|
- | 2727 | break; |
|
- | 2728 | default: |
|
- | 2729 | BUG(); |
|
- | 2730 | } |
|
- | 2731 | ||
- | 2732 | plane_ctl |= PLANE_CTL_PLANE_GAMMA_DISABLE; |
|
- | 2733 | if (to_intel_plane(crtc->primary)->rotation == BIT(DRM_ROTATE_180)) |
|
- | 2734 | plane_ctl |= PLANE_CTL_ROTATE_180; |
|
- | 2735 | ||
- | 2736 | I915_WRITE(PLANE_CTL(pipe, 0), plane_ctl); |
|
- | 2737 | ||
- | 2738 | DRM_DEBUG_KMS("Writing base %08lX %d,%d,%d,%d pitch=%d\n", |
|
- | 2739 | i915_gem_obj_ggtt_offset(obj), |
|
- | 2740 | x, y, fb->width, fb->height, |
|
- | 2741 | fb->pitches[0]); |
|
- | 2742 | ||
- | 2743 | I915_WRITE(PLANE_POS(pipe, 0), 0); |
|
- | 2744 | I915_WRITE(PLANE_OFFSET(pipe, 0), (y << 16) | x); |
|
- | 2745 | I915_WRITE(PLANE_SIZE(pipe, 0), |
|
- | 2746 | (intel_crtc->config.pipe_src_h - 1) << 16 | |
|
- | 2747 | (intel_crtc->config.pipe_src_w - 1)); |
|
- | 2748 | I915_WRITE(PLANE_STRIDE(pipe, 0), stride); |
|
- | 2749 | I915_WRITE(PLANE_SURF(pipe, 0), i915_gem_obj_ggtt_offset(obj)); |
|
- | 2750 | ||
- | 2751 | POSTING_READ(PLANE_SURF(pipe, 0)); |
|
- | 2752 | } |
|
2594 | 2753 | ||
2595 | /* Assume fb object is pinned & idle & fenced and just update base pointers */ |
2754 | /* Assume fb object is pinned & idle & fenced and just update base pointers */ |
2596 | static int |
2755 | static int |
2597 | intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, |
2756 | intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, |
2598 | int x, int y, enum mode_set_atomic state) |
2757 | int x, int y, enum mode_set_atomic state) |
2599 | { |
2758 | { |
2600 | struct drm_device *dev = crtc->dev; |
2759 | struct drm_device *dev = crtc->dev; |
2601 | struct drm_i915_private *dev_priv = dev->dev_private; |
2760 | struct drm_i915_private *dev_priv = dev->dev_private; |
2602 | 2761 | ||
2603 | if (dev_priv->display.disable_fbc) |
2762 | if (dev_priv->display.disable_fbc) |
2604 | dev_priv->display.disable_fbc(dev); |
2763 | dev_priv->display.disable_fbc(dev); |
2605 | intel_increase_pllclock(dev, to_intel_crtc(crtc)->pipe); |
- | |
2606 | 2764 | ||
2607 | dev_priv->display.update_primary_plane(crtc, fb, x, y); |
2765 | dev_priv->display.update_primary_plane(crtc, fb, x, y); |
2608 | 2766 | ||
2609 | return 0; |
2767 | return 0; |
2610 | } |
2768 | } |
2611 | 2769 | ||
2612 | #if 0 |
2770 | #if 0 |
2613 | void intel_display_handle_reset(struct drm_device *dev) |
2771 | static void intel_complete_page_flips(struct drm_device *dev) |
2614 | { |
2772 | { |
2615 | struct drm_i915_private *dev_priv = dev->dev_private; |
- | |
2616 | struct drm_crtc *crtc; |
2773 | struct drm_crtc *crtc; |
2617 | - | ||
2618 | /* |
- | |
2619 | * Flips in the rings have been nuked by the reset, |
- | |
2620 | * so complete all pending flips so that user space |
- | |
2621 | * will get its events and not get stuck. |
- | |
2622 | * |
- | |
2623 | * Also update the base address of all primary |
- | |
2624 | * planes to the the last fb to make sure we're |
- | |
2625 | * showing the correct fb after a reset. |
- | |
2626 | * |
- | |
2627 | * Need to make two loops over the crtcs so that we |
- | |
2628 | * don't try to grab a crtc mutex before the |
- | |
2629 | * pending_flip_queue really got woken up. |
- | |
2630 | */ |
- | |
2631 | 2774 | ||
2632 | for_each_crtc(dev, crtc) { |
2775 | for_each_crtc(dev, crtc) { |
2633 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2776 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2634 | enum plane plane = intel_crtc->plane; |
2777 | enum plane plane = intel_crtc->plane; |
2635 | 2778 | ||
2636 | intel_prepare_page_flip(dev, plane); |
2779 | intel_prepare_page_flip(dev, plane); |
2637 | intel_finish_page_flip_plane(dev, plane); |
2780 | intel_finish_page_flip_plane(dev, plane); |
2638 | } |
2781 | } |
- | 2782 | } |
|
- | 2783 | ||
- | 2784 | static void intel_update_primary_planes(struct drm_device *dev) |
|
- | 2785 | { |
|
- | 2786 | struct drm_i915_private *dev_priv = dev->dev_private; |
|
- | 2787 | struct drm_crtc *crtc; |
|
2639 | 2788 | ||
2640 | for_each_crtc(dev, crtc) { |
2789 | for_each_crtc(dev, crtc) { |
2641 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2790 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2642 | 2791 | ||
2643 | drm_modeset_lock(&crtc->mutex, NULL); |
2792 | drm_modeset_lock(&crtc->mutex, NULL); |
2644 | /* |
2793 | /* |
2645 | * FIXME: Once we have proper support for primary planes (and |
2794 | * FIXME: Once we have proper support for primary planes (and |
2646 | * disabling them without disabling the entire crtc) allow again |
2795 | * disabling them without disabling the entire crtc) allow again |
2647 | * a NULL crtc->primary->fb. |
2796 | * a NULL crtc->primary->fb. |
2648 | */ |
2797 | */ |
2649 | if (intel_crtc->active && crtc->primary->fb) |
2798 | if (intel_crtc->active && crtc->primary->fb) |
2650 | dev_priv->display.update_primary_plane(crtc, |
2799 | dev_priv->display.update_primary_plane(crtc, |
2651 | crtc->primary->fb, |
2800 | crtc->primary->fb, |
2652 | crtc->x, |
2801 | crtc->x, |
2653 | crtc->y); |
2802 | crtc->y); |
2654 | drm_modeset_unlock(&crtc->mutex); |
2803 | drm_modeset_unlock(&crtc->mutex); |
2655 | } |
2804 | } |
2656 | } |
2805 | } |
- | 2806 | ||
- | 2807 | void intel_prepare_reset(struct drm_device *dev) |
|
- | 2808 | { |
|
- | 2809 | struct drm_i915_private *dev_priv = to_i915(dev); |
|
- | 2810 | struct intel_crtc *crtc; |
|
- | 2811 | ||
- | 2812 | /* no reset support for gen2 */ |
|
- | 2813 | if (IS_GEN2(dev)) |
|
- | 2814 | return; |
|
- | 2815 | ||
- | 2816 | /* reset doesn't touch the display */ |
|
- | 2817 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) |
|
- | 2818 | return; |
|
- | 2819 | ||
- | 2820 | drm_modeset_lock_all(dev); |
|
- | 2821 | ||
- | 2822 | /* |
|
- | 2823 | * Disabling the crtcs gracefully seems nicer. Also the |
|
- | 2824 | * g33 docs say we should at least disable all the planes. |
|
- | 2825 | */ |
|
- | 2826 | for_each_intel_crtc(dev, crtc) { |
|
- | 2827 | if (crtc->active) |
|
- | 2828 | dev_priv->display.crtc_disable(&crtc->base); |
|
- | 2829 | } |
|
- | 2830 | } |
|
- | 2831 | ||
- | 2832 | void intel_finish_reset(struct drm_device *dev) |
|
- | 2833 | { |
|
- | 2834 | struct drm_i915_private *dev_priv = to_i915(dev); |
|
- | 2835 | ||
- | 2836 | /* |
|
- | 2837 | * Flips in the rings will be nuked by the reset, |
|
- | 2838 | * so complete all pending flips so that user space |
|
- | 2839 | * will get its events and not get stuck. |
|
- | 2840 | */ |
|
- | 2841 | intel_complete_page_flips(dev); |
|
- | 2842 | ||
- | 2843 | /* no reset support for gen2 */ |
|
- | 2844 | if (IS_GEN2(dev)) |
|
- | 2845 | return; |
|
- | 2846 | ||
- | 2847 | /* reset doesn't touch the display */ |
|
- | 2848 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) { |
|
- | 2849 | /* |
|
- | 2850 | * Flips in the rings have been nuked by the reset, |
|
- | 2851 | * so update the base address of all primary |
|
- | 2852 | * planes to the the last fb to make sure we're |
|
- | 2853 | * showing the correct fb after a reset. |
|
- | 2854 | */ |
|
- | 2855 | intel_update_primary_planes(dev); |
|
- | 2856 | return; |
|
- | 2857 | } |
|
- | 2858 | ||
- | 2859 | /* |
|
- | 2860 | * The display has been reset as well, |
|
- | 2861 | * so need a full re-initialization. |
|
- | 2862 | */ |
|
- | 2863 | intel_runtime_pm_disable_interrupts(dev_priv); |
|
- | 2864 | intel_runtime_pm_enable_interrupts(dev_priv); |
|
- | 2865 | ||
- | 2866 | intel_modeset_init_hw(dev); |
|
- | 2867 | ||
- | 2868 | spin_lock_irq(&dev_priv->irq_lock); |
|
- | 2869 | if (dev_priv->display.hpd_irq_setup) |
|
- | 2870 | dev_priv->display.hpd_irq_setup(dev); |
|
- | 2871 | spin_unlock_irq(&dev_priv->irq_lock); |
|
- | 2872 | ||
- | 2873 | intel_modeset_setup_hw_state(dev, true); |
|
- | 2874 | ||
- | 2875 | intel_hpd_init(dev_priv); |
|
- | 2876 | ||
- | 2877 | drm_modeset_unlock_all(dev); |
|
- | 2878 | } |
|
2657 | 2879 | ||
2658 | static int |
2880 | static int |
2659 | intel_finish_fb(struct drm_framebuffer *old_fb) |
2881 | intel_finish_fb(struct drm_framebuffer *old_fb) |
2660 | { |
2882 | { |
2661 | struct drm_i915_gem_object *obj = intel_fb_obj(old_fb); |
2883 | struct drm_i915_gem_object *obj = intel_fb_obj(old_fb); |
2662 | struct drm_i915_private *dev_priv = obj->base.dev->dev_private; |
2884 | struct drm_i915_private *dev_priv = obj->base.dev->dev_private; |
2663 | bool was_interruptible = dev_priv->mm.interruptible; |
2885 | bool was_interruptible = dev_priv->mm.interruptible; |
2664 | int ret; |
2886 | int ret; |
2665 | 2887 | ||
2666 | /* Big Hammer, we also need to ensure that any pending |
2888 | /* Big Hammer, we also need to ensure that any pending |
2667 | * MI_WAIT_FOR_EVENT inside a user batch buffer on the |
2889 | * MI_WAIT_FOR_EVENT inside a user batch buffer on the |
2668 | * current scanout is retired before unpinning the old |
2890 | * current scanout is retired before unpinning the old |
2669 | * framebuffer. |
2891 | * framebuffer. |
2670 | * |
2892 | * |
2671 | * This should only fail upon a hung GPU, in which case we |
2893 | * This should only fail upon a hung GPU, in which case we |
2672 | * can safely continue. |
2894 | * can safely continue. |
2673 | */ |
2895 | */ |
2674 | dev_priv->mm.interruptible = false; |
2896 | dev_priv->mm.interruptible = false; |
2675 | ret = i915_gem_object_finish_gpu(obj); |
2897 | ret = i915_gem_object_finish_gpu(obj); |
2676 | dev_priv->mm.interruptible = was_interruptible; |
2898 | dev_priv->mm.interruptible = was_interruptible; |
2677 | 2899 | ||
2678 | return ret; |
2900 | return ret; |
2679 | } |
2901 | } |
2680 | 2902 | ||
2681 | static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc) |
2903 | static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc) |
2682 | { |
2904 | { |
2683 | struct drm_device *dev = crtc->dev; |
2905 | struct drm_device *dev = crtc->dev; |
2684 | struct drm_i915_private *dev_priv = dev->dev_private; |
2906 | struct drm_i915_private *dev_priv = dev->dev_private; |
2685 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2907 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2686 | unsigned long flags; |
- | |
2687 | bool pending; |
2908 | bool pending; |
2688 | 2909 | ||
2689 | if (i915_reset_in_progress(&dev_priv->gpu_error) || |
2910 | if (i915_reset_in_progress(&dev_priv->gpu_error) || |
2690 | intel_crtc->reset_counter != atomic_read(&dev_priv->gpu_error.reset_counter)) |
2911 | intel_crtc->reset_counter != atomic_read(&dev_priv->gpu_error.reset_counter)) |
2691 | return false; |
2912 | return false; |
2692 | 2913 | ||
2693 | spin_lock_irqsave(&dev->event_lock, flags); |
2914 | spin_lock_irq(&dev->event_lock); |
2694 | pending = to_intel_crtc(crtc)->unpin_work != NULL; |
2915 | pending = to_intel_crtc(crtc)->unpin_work != NULL; |
2695 | spin_unlock_irqrestore(&dev->event_lock, flags); |
2916 | spin_unlock_irq(&dev->event_lock); |
2696 | 2917 | ||
2697 | return pending; |
2918 | return pending; |
2698 | } |
2919 | } |
2699 | #endif |
2920 | #endif |
- | 2921 | ||
- | 2922 | static void intel_update_pipe_size(struct intel_crtc *crtc) |
|
- | 2923 | { |
|
- | 2924 | struct drm_device *dev = crtc->base.dev; |
|
- | 2925 | struct drm_i915_private *dev_priv = dev->dev_private; |
|
- | 2926 | const struct drm_display_mode *adjusted_mode; |
|
- | 2927 | ||
- | 2928 | if (!i915.fastboot) |
|
- | 2929 | return; |
|
- | 2930 | ||
- | 2931 | /* |
|
- | 2932 | * Update pipe size and adjust fitter if needed: the reason for this is |
|
- | 2933 | * that in compute_mode_changes we check the native mode (not the pfit |
|
- | 2934 | * mode) to see if we can flip rather than do a full mode set. In the |
|
- | 2935 | * fastboot case, we'll flip, but if we don't update the pipesrc and |
|
- | 2936 | * pfit state, we'll end up with a big fb scanned out into the wrong |
|
- | 2937 | * sized surface. |
|
- | 2938 | * |
|
- | 2939 | * To fix this properly, we need to hoist the checks up into |
|
- | 2940 | * compute_mode_changes (or above), check the actual pfit state and |
|
- | 2941 | * whether the platform allows pfit disable with pipe active, and only |
|
- | 2942 | * then update the pipesrc and pfit state, even on the flip path. |
|
- | 2943 | */ |
|
- | 2944 | ||
- | 2945 | adjusted_mode = &crtc->config.adjusted_mode; |
|
- | 2946 | ||
- | 2947 | I915_WRITE(PIPESRC(crtc->pipe), |
|
- | 2948 | ((adjusted_mode->crtc_hdisplay - 1) << 16) | |
|
- | 2949 | (adjusted_mode->crtc_vdisplay - 1)); |
|
- | 2950 | if (!crtc->config.pch_pfit.enabled && |
|
- | 2951 | (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) || |
|
- | 2952 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) { |
|
- | 2953 | I915_WRITE(PF_CTL(crtc->pipe), 0); |
|
- | 2954 | I915_WRITE(PF_WIN_POS(crtc->pipe), 0); |
|
- | 2955 | I915_WRITE(PF_WIN_SZ(crtc->pipe), 0); |
|
- | 2956 | } |
|
- | 2957 | crtc->config.pipe_src_w = adjusted_mode->crtc_hdisplay; |
|
- | 2958 | crtc->config.pipe_src_h = adjusted_mode->crtc_vdisplay; |
|
- | 2959 | } |
|
2700 | 2960 | ||
2701 | static int |
2961 | static int |
2702 | intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, |
2962 | intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, |
2703 | struct drm_framebuffer *fb) |
2963 | struct drm_framebuffer *fb) |
2704 | { |
2964 | { |
2705 | struct drm_device *dev = crtc->dev; |
2965 | struct drm_device *dev = crtc->dev; |
2706 | struct drm_i915_private *dev_priv = dev->dev_private; |
2966 | struct drm_i915_private *dev_priv = dev->dev_private; |
2707 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2967 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2708 | enum pipe pipe = intel_crtc->pipe; |
2968 | enum pipe pipe = intel_crtc->pipe; |
2709 | struct drm_framebuffer *old_fb = crtc->primary->fb; |
2969 | struct drm_framebuffer *old_fb = crtc->primary->fb; |
2710 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
- | |
2711 | struct drm_i915_gem_object *old_obj = intel_fb_obj(old_fb); |
2970 | struct drm_i915_gem_object *old_obj = intel_fb_obj(old_fb); |
2712 | int ret; |
2971 | int ret; |
2713 | 2972 | ||
2714 | 2973 | ||
2715 | /* no fb bound */ |
2974 | /* no fb bound */ |
2716 | if (!fb) { |
2975 | if (!fb) { |
2717 | DRM_ERROR("No FB bound\n"); |
2976 | DRM_ERROR("No FB bound\n"); |
2718 | return 0; |
2977 | return 0; |
2719 | } |
2978 | } |
2720 | 2979 | ||
2721 | if (intel_crtc->plane > INTEL_INFO(dev)->num_pipes) { |
2980 | if (intel_crtc->plane > INTEL_INFO(dev)->num_pipes) { |
2722 | DRM_ERROR("no plane for crtc: plane %c, num_pipes %d\n", |
2981 | DRM_ERROR("no plane for crtc: plane %c, num_pipes %d\n", |
2723 | plane_name(intel_crtc->plane), |
2982 | plane_name(intel_crtc->plane), |
2724 | INTEL_INFO(dev)->num_pipes); |
2983 | INTEL_INFO(dev)->num_pipes); |
2725 | return -EINVAL; |
2984 | return -EINVAL; |
2726 | } |
2985 | } |
2727 | 2986 | ||
2728 | mutex_lock(&dev->struct_mutex); |
2987 | mutex_lock(&dev->struct_mutex); |
2729 | ret = intel_pin_and_fence_fb_obj(dev, obj, NULL); |
2988 | ret = intel_pin_and_fence_fb_obj(crtc->primary, fb, NULL); |
2730 | if (ret == 0) |
2989 | if (ret == 0) |
2731 | i915_gem_track_fb(old_obj, obj, |
2990 | i915_gem_track_fb(old_obj, intel_fb_obj(fb), |
2732 | INTEL_FRONTBUFFER_PRIMARY(pipe)); |
2991 | INTEL_FRONTBUFFER_PRIMARY(pipe)); |
2733 | mutex_unlock(&dev->struct_mutex); |
2992 | mutex_unlock(&dev->struct_mutex); |
2734 | if (ret != 0) { |
2993 | if (ret != 0) { |
2735 | DRM_ERROR("pin & fence failed\n"); |
2994 | DRM_ERROR("pin & fence failed\n"); |
2736 | return ret; |
2995 | return ret; |
2737 | } |
2996 | } |
2738 | - | ||
2739 | /* |
- | |
2740 | * Update pipe size and adjust fitter if needed: the reason for this is |
- | |
2741 | * that in compute_mode_changes we check the native mode (not the pfit |
- | |
2742 | * mode) to see if we can flip rather than do a full mode set. In the |
- | |
2743 | * fastboot case, we'll flip, but if we don't update the pipesrc and |
- | |
2744 | * pfit state, we'll end up with a big fb scanned out into the wrong |
- | |
2745 | * sized surface. |
- | |
2746 | * |
- | |
2747 | * To fix this properly, we need to hoist the checks up into |
- | |
2748 | * compute_mode_changes (or above), check the actual pfit state and |
- | |
2749 | * whether the platform allows pfit disable with pipe active, and only |
- | |
2750 | * then update the pipesrc and pfit state, even on the flip path. |
- | |
2751 | */ |
- | |
2752 | if (i915.fastboot) { |
- | |
2753 | const struct drm_display_mode *adjusted_mode = |
- | |
2754 | &intel_crtc->config.adjusted_mode; |
- | |
2755 | - | ||
2756 | I915_WRITE(PIPESRC(intel_crtc->pipe), |
- | |
2757 | ((adjusted_mode->crtc_hdisplay - 1) << 16) | |
- | |
2758 | (adjusted_mode->crtc_vdisplay - 1)); |
- | |
2759 | if (!intel_crtc->config.pch_pfit.enabled && |
- | |
2760 | (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) || |
- | |
2761 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) { |
- | |
2762 | I915_WRITE(PF_CTL(intel_crtc->pipe), 0); |
- | |
2763 | I915_WRITE(PF_WIN_POS(intel_crtc->pipe), 0); |
- | |
2764 | I915_WRITE(PF_WIN_SZ(intel_crtc->pipe), 0); |
- | |
2765 | } |
- | |
2766 | intel_crtc->config.pipe_src_w = adjusted_mode->crtc_hdisplay; |
- | |
2767 | intel_crtc->config.pipe_src_h = adjusted_mode->crtc_vdisplay; |
- | |
2768 | } |
- | |
2769 | 2997 | ||
2770 | dev_priv->display.update_primary_plane(crtc, fb, x, y); |
2998 | dev_priv->display.update_primary_plane(crtc, fb, x, y); |
2771 | 2999 | ||
2772 | if (intel_crtc->active) |
3000 | if (intel_crtc->active) |
2773 | intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_PRIMARY(pipe)); |
3001 | intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_PRIMARY(pipe)); |
2774 | 3002 | ||
2775 | crtc->primary->fb = fb; |
3003 | crtc->primary->fb = fb; |
2776 | crtc->x = x; |
3004 | crtc->x = x; |
2777 | crtc->y = y; |
3005 | crtc->y = y; |
2778 | 3006 | ||
2779 | if (old_fb) { |
3007 | if (old_fb) { |
2780 | if (intel_crtc->active && old_fb != fb) |
3008 | if (intel_crtc->active && old_fb != fb) |
2781 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
3009 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
2782 | mutex_lock(&dev->struct_mutex); |
3010 | mutex_lock(&dev->struct_mutex); |
2783 | intel_unpin_fb_obj(old_obj); |
3011 | intel_unpin_fb_obj(old_obj); |
2784 | mutex_unlock(&dev->struct_mutex); |
3012 | mutex_unlock(&dev->struct_mutex); |
2785 | } |
3013 | } |
2786 | 3014 | ||
2787 | mutex_lock(&dev->struct_mutex); |
3015 | mutex_lock(&dev->struct_mutex); |
2788 | intel_update_fbc(dev); |
3016 | intel_update_fbc(dev); |
2789 | mutex_unlock(&dev->struct_mutex); |
3017 | mutex_unlock(&dev->struct_mutex); |
2790 | 3018 | ||
2791 | return 0; |
3019 | return 0; |
2792 | } |
3020 | } |
2793 | 3021 | ||
2794 | static void intel_fdi_normal_train(struct drm_crtc *crtc) |
3022 | static void intel_fdi_normal_train(struct drm_crtc *crtc) |
2795 | { |
3023 | { |
2796 | struct drm_device *dev = crtc->dev; |
3024 | struct drm_device *dev = crtc->dev; |
2797 | struct drm_i915_private *dev_priv = dev->dev_private; |
3025 | struct drm_i915_private *dev_priv = dev->dev_private; |
2798 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3026 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2799 | int pipe = intel_crtc->pipe; |
3027 | int pipe = intel_crtc->pipe; |
2800 | u32 reg, temp; |
3028 | u32 reg, temp; |
2801 | 3029 | ||
2802 | /* enable normal train */ |
3030 | /* enable normal train */ |
2803 | reg = FDI_TX_CTL(pipe); |
3031 | reg = FDI_TX_CTL(pipe); |
2804 | temp = I915_READ(reg); |
3032 | temp = I915_READ(reg); |
2805 | if (IS_IVYBRIDGE(dev)) { |
3033 | if (IS_IVYBRIDGE(dev)) { |
2806 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
3034 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
2807 | temp |= FDI_LINK_TRAIN_NONE_IVB | FDI_TX_ENHANCE_FRAME_ENABLE; |
3035 | temp |= FDI_LINK_TRAIN_NONE_IVB | FDI_TX_ENHANCE_FRAME_ENABLE; |
2808 | } else { |
3036 | } else { |
2809 | temp &= ~FDI_LINK_TRAIN_NONE; |
3037 | temp &= ~FDI_LINK_TRAIN_NONE; |
2810 | temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE; |
3038 | temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE; |
2811 | } |
3039 | } |
2812 | I915_WRITE(reg, temp); |
3040 | I915_WRITE(reg, temp); |
2813 | 3041 | ||
2814 | reg = FDI_RX_CTL(pipe); |
3042 | reg = FDI_RX_CTL(pipe); |
2815 | temp = I915_READ(reg); |
3043 | temp = I915_READ(reg); |
2816 | if (HAS_PCH_CPT(dev)) { |
3044 | if (HAS_PCH_CPT(dev)) { |
2817 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
3045 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
2818 | temp |= FDI_LINK_TRAIN_NORMAL_CPT; |
3046 | temp |= FDI_LINK_TRAIN_NORMAL_CPT; |
2819 | } else { |
3047 | } else { |
2820 | temp &= ~FDI_LINK_TRAIN_NONE; |
3048 | temp &= ~FDI_LINK_TRAIN_NONE; |
2821 | temp |= FDI_LINK_TRAIN_NONE; |
3049 | temp |= FDI_LINK_TRAIN_NONE; |
2822 | } |
3050 | } |
2823 | I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE); |
3051 | I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE); |
2824 | 3052 | ||
2825 | /* wait one idle pattern time */ |
3053 | /* wait one idle pattern time */ |
2826 | POSTING_READ(reg); |
3054 | POSTING_READ(reg); |
2827 | udelay(1000); |
3055 | udelay(1000); |
2828 | 3056 | ||
2829 | /* IVB wants error correction enabled */ |
3057 | /* IVB wants error correction enabled */ |
2830 | if (IS_IVYBRIDGE(dev)) |
3058 | if (IS_IVYBRIDGE(dev)) |
2831 | I915_WRITE(reg, I915_READ(reg) | FDI_FS_ERRC_ENABLE | |
3059 | I915_WRITE(reg, I915_READ(reg) | FDI_FS_ERRC_ENABLE | |
2832 | FDI_FE_ERRC_ENABLE); |
3060 | FDI_FE_ERRC_ENABLE); |
2833 | } |
3061 | } |
2834 | 3062 | ||
2835 | static bool pipe_has_enabled_pch(struct intel_crtc *crtc) |
3063 | static bool pipe_has_enabled_pch(struct intel_crtc *crtc) |
2836 | { |
3064 | { |
2837 | return crtc->base.enabled && crtc->active && |
3065 | return crtc->base.enabled && crtc->active && |
2838 | crtc->config.has_pch_encoder; |
3066 | crtc->config.has_pch_encoder; |
2839 | } |
3067 | } |
2840 | 3068 | ||
2841 | static void ivb_modeset_global_resources(struct drm_device *dev) |
3069 | static void ivb_modeset_global_resources(struct drm_device *dev) |
2842 | { |
3070 | { |
2843 | struct drm_i915_private *dev_priv = dev->dev_private; |
3071 | struct drm_i915_private *dev_priv = dev->dev_private; |
2844 | struct intel_crtc *pipe_B_crtc = |
3072 | struct intel_crtc *pipe_B_crtc = |
2845 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_B]); |
3073 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_B]); |
2846 | struct intel_crtc *pipe_C_crtc = |
3074 | struct intel_crtc *pipe_C_crtc = |
2847 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_C]); |
3075 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_C]); |
2848 | uint32_t temp; |
3076 | uint32_t temp; |
2849 | 3077 | ||
2850 | /* |
3078 | /* |
2851 | * When everything is off disable fdi C so that we could enable fdi B |
3079 | * When everything is off disable fdi C so that we could enable fdi B |
2852 | * with all lanes. Note that we don't care about enabled pipes without |
3080 | * with all lanes. Note that we don't care about enabled pipes without |
2853 | * an enabled pch encoder. |
3081 | * an enabled pch encoder. |
2854 | */ |
3082 | */ |
2855 | if (!pipe_has_enabled_pch(pipe_B_crtc) && |
3083 | if (!pipe_has_enabled_pch(pipe_B_crtc) && |
2856 | !pipe_has_enabled_pch(pipe_C_crtc)) { |
3084 | !pipe_has_enabled_pch(pipe_C_crtc)) { |
2857 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); |
3085 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); |
2858 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); |
3086 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); |
2859 | 3087 | ||
2860 | temp = I915_READ(SOUTH_CHICKEN1); |
3088 | temp = I915_READ(SOUTH_CHICKEN1); |
2861 | temp &= ~FDI_BC_BIFURCATION_SELECT; |
3089 | temp &= ~FDI_BC_BIFURCATION_SELECT; |
2862 | DRM_DEBUG_KMS("disabling fdi C rx\n"); |
3090 | DRM_DEBUG_KMS("disabling fdi C rx\n"); |
2863 | I915_WRITE(SOUTH_CHICKEN1, temp); |
3091 | I915_WRITE(SOUTH_CHICKEN1, temp); |
2864 | } |
3092 | } |
2865 | } |
3093 | } |
2866 | 3094 | ||
2867 | /* The FDI link training functions for ILK/Ibexpeak. */ |
3095 | /* The FDI link training functions for ILK/Ibexpeak. */ |
2868 | static void ironlake_fdi_link_train(struct drm_crtc *crtc) |
3096 | static void ironlake_fdi_link_train(struct drm_crtc *crtc) |
2869 | { |
3097 | { |
2870 | struct drm_device *dev = crtc->dev; |
3098 | struct drm_device *dev = crtc->dev; |
2871 | struct drm_i915_private *dev_priv = dev->dev_private; |
3099 | struct drm_i915_private *dev_priv = dev->dev_private; |
2872 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3100 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2873 | int pipe = intel_crtc->pipe; |
3101 | int pipe = intel_crtc->pipe; |
2874 | u32 reg, temp, tries; |
3102 | u32 reg, temp, tries; |
2875 | 3103 | ||
2876 | /* FDI needs bits from pipe first */ |
3104 | /* FDI needs bits from pipe first */ |
2877 | assert_pipe_enabled(dev_priv, pipe); |
3105 | assert_pipe_enabled(dev_priv, pipe); |
2878 | 3106 | ||
2879 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
3107 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
2880 | for train result */ |
3108 | for train result */ |
2881 | reg = FDI_RX_IMR(pipe); |
3109 | reg = FDI_RX_IMR(pipe); |
2882 | temp = I915_READ(reg); |
3110 | temp = I915_READ(reg); |
2883 | temp &= ~FDI_RX_SYMBOL_LOCK; |
3111 | temp &= ~FDI_RX_SYMBOL_LOCK; |
2884 | temp &= ~FDI_RX_BIT_LOCK; |
3112 | temp &= ~FDI_RX_BIT_LOCK; |
2885 | I915_WRITE(reg, temp); |
3113 | I915_WRITE(reg, temp); |
2886 | I915_READ(reg); |
3114 | I915_READ(reg); |
2887 | udelay(150); |
3115 | udelay(150); |
2888 | 3116 | ||
2889 | /* enable CPU FDI TX and PCH FDI RX */ |
3117 | /* enable CPU FDI TX and PCH FDI RX */ |
2890 | reg = FDI_TX_CTL(pipe); |
3118 | reg = FDI_TX_CTL(pipe); |
2891 | temp = I915_READ(reg); |
3119 | temp = I915_READ(reg); |
2892 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
3120 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
2893 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes); |
3121 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes); |
2894 | temp &= ~FDI_LINK_TRAIN_NONE; |
3122 | temp &= ~FDI_LINK_TRAIN_NONE; |
2895 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
3123 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
2896 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
3124 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
2897 | 3125 | ||
2898 | reg = FDI_RX_CTL(pipe); |
3126 | reg = FDI_RX_CTL(pipe); |
2899 | temp = I915_READ(reg); |
3127 | temp = I915_READ(reg); |
2900 | temp &= ~FDI_LINK_TRAIN_NONE; |
3128 | temp &= ~FDI_LINK_TRAIN_NONE; |
2901 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
3129 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
2902 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
3130 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
2903 | 3131 | ||
2904 | POSTING_READ(reg); |
3132 | POSTING_READ(reg); |
2905 | udelay(150); |
3133 | udelay(150); |
2906 | 3134 | ||
2907 | /* Ironlake workaround, enable clock pointer after FDI enable*/ |
3135 | /* Ironlake workaround, enable clock pointer after FDI enable*/ |
2908 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
3136 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
2909 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR | |
3137 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR | |
2910 | FDI_RX_PHASE_SYNC_POINTER_EN); |
3138 | FDI_RX_PHASE_SYNC_POINTER_EN); |
2911 | 3139 | ||
2912 | reg = FDI_RX_IIR(pipe); |
3140 | reg = FDI_RX_IIR(pipe); |
2913 | for (tries = 0; tries < 5; tries++) { |
3141 | for (tries = 0; tries < 5; tries++) { |
2914 | temp = I915_READ(reg); |
3142 | temp = I915_READ(reg); |
2915 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3143 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
2916 | 3144 | ||
2917 | if ((temp & FDI_RX_BIT_LOCK)) { |
3145 | if ((temp & FDI_RX_BIT_LOCK)) { |
2918 | DRM_DEBUG_KMS("FDI train 1 done.\n"); |
3146 | DRM_DEBUG_KMS("FDI train 1 done.\n"); |
2919 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); |
3147 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); |
2920 | break; |
3148 | break; |
2921 | } |
3149 | } |
2922 | } |
3150 | } |
2923 | if (tries == 5) |
3151 | if (tries == 5) |
2924 | DRM_ERROR("FDI train 1 fail!\n"); |
3152 | DRM_ERROR("FDI train 1 fail!\n"); |
2925 | 3153 | ||
2926 | /* Train 2 */ |
3154 | /* Train 2 */ |
2927 | reg = FDI_TX_CTL(pipe); |
3155 | reg = FDI_TX_CTL(pipe); |
2928 | temp = I915_READ(reg); |
3156 | temp = I915_READ(reg); |
2929 | temp &= ~FDI_LINK_TRAIN_NONE; |
3157 | temp &= ~FDI_LINK_TRAIN_NONE; |
2930 | temp |= FDI_LINK_TRAIN_PATTERN_2; |
3158 | temp |= FDI_LINK_TRAIN_PATTERN_2; |
2931 | I915_WRITE(reg, temp); |
3159 | I915_WRITE(reg, temp); |
2932 | 3160 | ||
2933 | reg = FDI_RX_CTL(pipe); |
3161 | reg = FDI_RX_CTL(pipe); |
2934 | temp = I915_READ(reg); |
3162 | temp = I915_READ(reg); |
2935 | temp &= ~FDI_LINK_TRAIN_NONE; |
3163 | temp &= ~FDI_LINK_TRAIN_NONE; |
2936 | temp |= FDI_LINK_TRAIN_PATTERN_2; |
3164 | temp |= FDI_LINK_TRAIN_PATTERN_2; |
2937 | I915_WRITE(reg, temp); |
3165 | I915_WRITE(reg, temp); |
2938 | 3166 | ||
2939 | POSTING_READ(reg); |
3167 | POSTING_READ(reg); |
2940 | udelay(150); |
3168 | udelay(150); |
2941 | 3169 | ||
2942 | reg = FDI_RX_IIR(pipe); |
3170 | reg = FDI_RX_IIR(pipe); |
2943 | for (tries = 0; tries < 5; tries++) { |
3171 | for (tries = 0; tries < 5; tries++) { |
2944 | temp = I915_READ(reg); |
3172 | temp = I915_READ(reg); |
2945 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3173 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
2946 | 3174 | ||
2947 | if (temp & FDI_RX_SYMBOL_LOCK) { |
3175 | if (temp & FDI_RX_SYMBOL_LOCK) { |
2948 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); |
3176 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); |
2949 | DRM_DEBUG_KMS("FDI train 2 done.\n"); |
3177 | DRM_DEBUG_KMS("FDI train 2 done.\n"); |
2950 | break; |
3178 | break; |
2951 | } |
3179 | } |
2952 | } |
3180 | } |
2953 | if (tries == 5) |
3181 | if (tries == 5) |
2954 | DRM_ERROR("FDI train 2 fail!\n"); |
3182 | DRM_ERROR("FDI train 2 fail!\n"); |
2955 | 3183 | ||
2956 | DRM_DEBUG_KMS("FDI train done\n"); |
3184 | DRM_DEBUG_KMS("FDI train done\n"); |
2957 | 3185 | ||
2958 | } |
3186 | } |
2959 | 3187 | ||
2960 | static const int snb_b_fdi_train_param[] = { |
3188 | static const int snb_b_fdi_train_param[] = { |
2961 | FDI_LINK_TRAIN_400MV_0DB_SNB_B, |
3189 | FDI_LINK_TRAIN_400MV_0DB_SNB_B, |
2962 | FDI_LINK_TRAIN_400MV_6DB_SNB_B, |
3190 | FDI_LINK_TRAIN_400MV_6DB_SNB_B, |
2963 | FDI_LINK_TRAIN_600MV_3_5DB_SNB_B, |
3191 | FDI_LINK_TRAIN_600MV_3_5DB_SNB_B, |
2964 | FDI_LINK_TRAIN_800MV_0DB_SNB_B, |
3192 | FDI_LINK_TRAIN_800MV_0DB_SNB_B, |
2965 | }; |
3193 | }; |
2966 | 3194 | ||
2967 | /* The FDI link training functions for SNB/Cougarpoint. */ |
3195 | /* The FDI link training functions for SNB/Cougarpoint. */ |
2968 | static void gen6_fdi_link_train(struct drm_crtc *crtc) |
3196 | static void gen6_fdi_link_train(struct drm_crtc *crtc) |
2969 | { |
3197 | { |
2970 | struct drm_device *dev = crtc->dev; |
3198 | struct drm_device *dev = crtc->dev; |
2971 | struct drm_i915_private *dev_priv = dev->dev_private; |
3199 | struct drm_i915_private *dev_priv = dev->dev_private; |
2972 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3200 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2973 | int pipe = intel_crtc->pipe; |
3201 | int pipe = intel_crtc->pipe; |
2974 | u32 reg, temp, i, retry; |
3202 | u32 reg, temp, i, retry; |
2975 | 3203 | ||
2976 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
3204 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
2977 | for train result */ |
3205 | for train result */ |
2978 | reg = FDI_RX_IMR(pipe); |
3206 | reg = FDI_RX_IMR(pipe); |
2979 | temp = I915_READ(reg); |
3207 | temp = I915_READ(reg); |
2980 | temp &= ~FDI_RX_SYMBOL_LOCK; |
3208 | temp &= ~FDI_RX_SYMBOL_LOCK; |
2981 | temp &= ~FDI_RX_BIT_LOCK; |
3209 | temp &= ~FDI_RX_BIT_LOCK; |
2982 | I915_WRITE(reg, temp); |
3210 | I915_WRITE(reg, temp); |
2983 | 3211 | ||
2984 | POSTING_READ(reg); |
3212 | POSTING_READ(reg); |
2985 | udelay(150); |
3213 | udelay(150); |
2986 | 3214 | ||
2987 | /* enable CPU FDI TX and PCH FDI RX */ |
3215 | /* enable CPU FDI TX and PCH FDI RX */ |
2988 | reg = FDI_TX_CTL(pipe); |
3216 | reg = FDI_TX_CTL(pipe); |
2989 | temp = I915_READ(reg); |
3217 | temp = I915_READ(reg); |
2990 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
3218 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
2991 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes); |
3219 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes); |
2992 | temp &= ~FDI_LINK_TRAIN_NONE; |
3220 | temp &= ~FDI_LINK_TRAIN_NONE; |
2993 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
3221 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
2994 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3222 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
2995 | /* SNB-B */ |
3223 | /* SNB-B */ |
2996 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; |
3224 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; |
2997 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
3225 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
2998 | 3226 | ||
2999 | I915_WRITE(FDI_RX_MISC(pipe), |
3227 | I915_WRITE(FDI_RX_MISC(pipe), |
3000 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); |
3228 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); |
3001 | 3229 | ||
3002 | reg = FDI_RX_CTL(pipe); |
3230 | reg = FDI_RX_CTL(pipe); |
3003 | temp = I915_READ(reg); |
3231 | temp = I915_READ(reg); |
3004 | if (HAS_PCH_CPT(dev)) { |
3232 | if (HAS_PCH_CPT(dev)) { |
3005 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
3233 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
3006 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; |
3234 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; |
3007 | } else { |
3235 | } else { |
3008 | temp &= ~FDI_LINK_TRAIN_NONE; |
3236 | temp &= ~FDI_LINK_TRAIN_NONE; |
3009 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
3237 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
3010 | } |
3238 | } |
3011 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
3239 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
3012 | 3240 | ||
3013 | POSTING_READ(reg); |
3241 | POSTING_READ(reg); |
3014 | udelay(150); |
3242 | udelay(150); |
3015 | 3243 | ||
3016 | for (i = 0; i < 4; i++) { |
3244 | for (i = 0; i < 4; i++) { |
3017 | reg = FDI_TX_CTL(pipe); |
3245 | reg = FDI_TX_CTL(pipe); |
3018 | temp = I915_READ(reg); |
3246 | temp = I915_READ(reg); |
3019 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3247 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3020 | temp |= snb_b_fdi_train_param[i]; |
3248 | temp |= snb_b_fdi_train_param[i]; |
3021 | I915_WRITE(reg, temp); |
3249 | I915_WRITE(reg, temp); |
3022 | 3250 | ||
3023 | POSTING_READ(reg); |
3251 | POSTING_READ(reg); |
3024 | udelay(500); |
3252 | udelay(500); |
3025 | 3253 | ||
3026 | for (retry = 0; retry < 5; retry++) { |
3254 | for (retry = 0; retry < 5; retry++) { |
3027 | reg = FDI_RX_IIR(pipe); |
3255 | reg = FDI_RX_IIR(pipe); |
3028 | temp = I915_READ(reg); |
3256 | temp = I915_READ(reg); |
3029 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3257 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3030 | if (temp & FDI_RX_BIT_LOCK) { |
3258 | if (temp & FDI_RX_BIT_LOCK) { |
3031 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); |
3259 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); |
3032 | DRM_DEBUG_KMS("FDI train 1 done.\n"); |
3260 | DRM_DEBUG_KMS("FDI train 1 done.\n"); |
3033 | break; |
3261 | break; |
3034 | } |
3262 | } |
3035 | udelay(50); |
3263 | udelay(50); |
3036 | } |
3264 | } |
3037 | if (retry < 5) |
3265 | if (retry < 5) |
3038 | break; |
3266 | break; |
3039 | } |
3267 | } |
3040 | if (i == 4) |
3268 | if (i == 4) |
3041 | DRM_ERROR("FDI train 1 fail!\n"); |
3269 | DRM_ERROR("FDI train 1 fail!\n"); |
3042 | 3270 | ||
3043 | /* Train 2 */ |
3271 | /* Train 2 */ |
3044 | reg = FDI_TX_CTL(pipe); |
3272 | reg = FDI_TX_CTL(pipe); |
3045 | temp = I915_READ(reg); |
3273 | temp = I915_READ(reg); |
3046 | temp &= ~FDI_LINK_TRAIN_NONE; |
3274 | temp &= ~FDI_LINK_TRAIN_NONE; |
3047 | temp |= FDI_LINK_TRAIN_PATTERN_2; |
3275 | temp |= FDI_LINK_TRAIN_PATTERN_2; |
3048 | if (IS_GEN6(dev)) { |
3276 | if (IS_GEN6(dev)) { |
3049 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3277 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3050 | /* SNB-B */ |
3278 | /* SNB-B */ |
3051 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; |
3279 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; |
3052 | } |
3280 | } |
3053 | I915_WRITE(reg, temp); |
3281 | I915_WRITE(reg, temp); |
3054 | 3282 | ||
3055 | reg = FDI_RX_CTL(pipe); |
3283 | reg = FDI_RX_CTL(pipe); |
3056 | temp = I915_READ(reg); |
3284 | temp = I915_READ(reg); |
3057 | if (HAS_PCH_CPT(dev)) { |
3285 | if (HAS_PCH_CPT(dev)) { |
3058 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
3286 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
3059 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; |
3287 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; |
3060 | } else { |
3288 | } else { |
3061 | temp &= ~FDI_LINK_TRAIN_NONE; |
3289 | temp &= ~FDI_LINK_TRAIN_NONE; |
3062 | temp |= FDI_LINK_TRAIN_PATTERN_2; |
3290 | temp |= FDI_LINK_TRAIN_PATTERN_2; |
3063 | } |
3291 | } |
3064 | I915_WRITE(reg, temp); |
3292 | I915_WRITE(reg, temp); |
3065 | 3293 | ||
3066 | POSTING_READ(reg); |
3294 | POSTING_READ(reg); |
3067 | udelay(150); |
3295 | udelay(150); |
3068 | 3296 | ||
3069 | for (i = 0; i < 4; i++) { |
3297 | for (i = 0; i < 4; i++) { |
3070 | reg = FDI_TX_CTL(pipe); |
3298 | reg = FDI_TX_CTL(pipe); |
3071 | temp = I915_READ(reg); |
3299 | temp = I915_READ(reg); |
3072 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3300 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3073 | temp |= snb_b_fdi_train_param[i]; |
3301 | temp |= snb_b_fdi_train_param[i]; |
3074 | I915_WRITE(reg, temp); |
3302 | I915_WRITE(reg, temp); |
3075 | 3303 | ||
3076 | POSTING_READ(reg); |
3304 | POSTING_READ(reg); |
3077 | udelay(500); |
3305 | udelay(500); |
3078 | 3306 | ||
3079 | for (retry = 0; retry < 5; retry++) { |
3307 | for (retry = 0; retry < 5; retry++) { |
3080 | reg = FDI_RX_IIR(pipe); |
3308 | reg = FDI_RX_IIR(pipe); |
3081 | temp = I915_READ(reg); |
3309 | temp = I915_READ(reg); |
3082 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3310 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3083 | if (temp & FDI_RX_SYMBOL_LOCK) { |
3311 | if (temp & FDI_RX_SYMBOL_LOCK) { |
3084 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); |
3312 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); |
3085 | DRM_DEBUG_KMS("FDI train 2 done.\n"); |
3313 | DRM_DEBUG_KMS("FDI train 2 done.\n"); |
3086 | break; |
3314 | break; |
3087 | } |
3315 | } |
3088 | udelay(50); |
3316 | udelay(50); |
3089 | } |
3317 | } |
3090 | if (retry < 5) |
3318 | if (retry < 5) |
3091 | break; |
3319 | break; |
3092 | } |
3320 | } |
3093 | if (i == 4) |
3321 | if (i == 4) |
3094 | DRM_ERROR("FDI train 2 fail!\n"); |
3322 | DRM_ERROR("FDI train 2 fail!\n"); |
3095 | 3323 | ||
3096 | DRM_DEBUG_KMS("FDI train done.\n"); |
3324 | DRM_DEBUG_KMS("FDI train done.\n"); |
3097 | } |
3325 | } |
3098 | 3326 | ||
3099 | /* Manual link training for Ivy Bridge A0 parts */ |
3327 | /* Manual link training for Ivy Bridge A0 parts */ |
3100 | static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) |
3328 | static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) |
3101 | { |
3329 | { |
3102 | struct drm_device *dev = crtc->dev; |
3330 | struct drm_device *dev = crtc->dev; |
3103 | struct drm_i915_private *dev_priv = dev->dev_private; |
3331 | struct drm_i915_private *dev_priv = dev->dev_private; |
3104 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3332 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3105 | int pipe = intel_crtc->pipe; |
3333 | int pipe = intel_crtc->pipe; |
3106 | u32 reg, temp, i, j; |
3334 | u32 reg, temp, i, j; |
3107 | 3335 | ||
3108 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
3336 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
3109 | for train result */ |
3337 | for train result */ |
3110 | reg = FDI_RX_IMR(pipe); |
3338 | reg = FDI_RX_IMR(pipe); |
3111 | temp = I915_READ(reg); |
3339 | temp = I915_READ(reg); |
3112 | temp &= ~FDI_RX_SYMBOL_LOCK; |
3340 | temp &= ~FDI_RX_SYMBOL_LOCK; |
3113 | temp &= ~FDI_RX_BIT_LOCK; |
3341 | temp &= ~FDI_RX_BIT_LOCK; |
3114 | I915_WRITE(reg, temp); |
3342 | I915_WRITE(reg, temp); |
3115 | 3343 | ||
3116 | POSTING_READ(reg); |
3344 | POSTING_READ(reg); |
3117 | udelay(150); |
3345 | udelay(150); |
3118 | 3346 | ||
3119 | DRM_DEBUG_KMS("FDI_RX_IIR before link train 0x%x\n", |
3347 | DRM_DEBUG_KMS("FDI_RX_IIR before link train 0x%x\n", |
3120 | I915_READ(FDI_RX_IIR(pipe))); |
3348 | I915_READ(FDI_RX_IIR(pipe))); |
3121 | 3349 | ||
3122 | /* Try each vswing and preemphasis setting twice before moving on */ |
3350 | /* Try each vswing and preemphasis setting twice before moving on */ |
3123 | for (j = 0; j < ARRAY_SIZE(snb_b_fdi_train_param) * 2; j++) { |
3351 | for (j = 0; j < ARRAY_SIZE(snb_b_fdi_train_param) * 2; j++) { |
3124 | /* disable first in case we need to retry */ |
3352 | /* disable first in case we need to retry */ |
3125 | reg = FDI_TX_CTL(pipe); |
3353 | reg = FDI_TX_CTL(pipe); |
3126 | temp = I915_READ(reg); |
3354 | temp = I915_READ(reg); |
3127 | temp &= ~(FDI_LINK_TRAIN_AUTO | FDI_LINK_TRAIN_NONE_IVB); |
3355 | temp &= ~(FDI_LINK_TRAIN_AUTO | FDI_LINK_TRAIN_NONE_IVB); |
3128 | temp &= ~FDI_TX_ENABLE; |
3356 | temp &= ~FDI_TX_ENABLE; |
3129 | I915_WRITE(reg, temp); |
3357 | I915_WRITE(reg, temp); |
3130 | 3358 | ||
3131 | reg = FDI_RX_CTL(pipe); |
3359 | reg = FDI_RX_CTL(pipe); |
3132 | temp = I915_READ(reg); |
3360 | temp = I915_READ(reg); |
3133 | temp &= ~FDI_LINK_TRAIN_AUTO; |
3361 | temp &= ~FDI_LINK_TRAIN_AUTO; |
3134 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
3362 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
3135 | temp &= ~FDI_RX_ENABLE; |
3363 | temp &= ~FDI_RX_ENABLE; |
3136 | I915_WRITE(reg, temp); |
3364 | I915_WRITE(reg, temp); |
3137 | 3365 | ||
3138 | /* enable CPU FDI TX and PCH FDI RX */ |
3366 | /* enable CPU FDI TX and PCH FDI RX */ |
3139 | reg = FDI_TX_CTL(pipe); |
3367 | reg = FDI_TX_CTL(pipe); |
3140 | temp = I915_READ(reg); |
3368 | temp = I915_READ(reg); |
3141 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
3369 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
3142 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes); |
3370 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes); |
3143 | temp |= FDI_LINK_TRAIN_PATTERN_1_IVB; |
3371 | temp |= FDI_LINK_TRAIN_PATTERN_1_IVB; |
3144 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3372 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3145 | temp |= snb_b_fdi_train_param[j/2]; |
3373 | temp |= snb_b_fdi_train_param[j/2]; |
3146 | temp |= FDI_COMPOSITE_SYNC; |
3374 | temp |= FDI_COMPOSITE_SYNC; |
3147 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
3375 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
3148 | 3376 | ||
3149 | I915_WRITE(FDI_RX_MISC(pipe), |
3377 | I915_WRITE(FDI_RX_MISC(pipe), |
3150 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); |
3378 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); |
3151 | 3379 | ||
3152 | reg = FDI_RX_CTL(pipe); |
3380 | reg = FDI_RX_CTL(pipe); |
3153 | temp = I915_READ(reg); |
3381 | temp = I915_READ(reg); |
3154 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; |
3382 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; |
3155 | temp |= FDI_COMPOSITE_SYNC; |
3383 | temp |= FDI_COMPOSITE_SYNC; |
3156 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
3384 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
3157 | 3385 | ||
3158 | POSTING_READ(reg); |
3386 | POSTING_READ(reg); |
3159 | udelay(1); /* should be 0.5us */ |
3387 | udelay(1); /* should be 0.5us */ |
3160 | 3388 | ||
3161 | for (i = 0; i < 4; i++) { |
3389 | for (i = 0; i < 4; i++) { |
3162 | reg = FDI_RX_IIR(pipe); |
3390 | reg = FDI_RX_IIR(pipe); |
3163 | temp = I915_READ(reg); |
3391 | temp = I915_READ(reg); |
3164 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3392 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3165 | 3393 | ||
3166 | if (temp & FDI_RX_BIT_LOCK || |
3394 | if (temp & FDI_RX_BIT_LOCK || |
3167 | (I915_READ(reg) & FDI_RX_BIT_LOCK)) { |
3395 | (I915_READ(reg) & FDI_RX_BIT_LOCK)) { |
3168 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); |
3396 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); |
3169 | DRM_DEBUG_KMS("FDI train 1 done, level %i.\n", |
3397 | DRM_DEBUG_KMS("FDI train 1 done, level %i.\n", |
3170 | i); |
3398 | i); |
3171 | break; |
3399 | break; |
3172 | } |
3400 | } |
3173 | udelay(1); /* should be 0.5us */ |
3401 | udelay(1); /* should be 0.5us */ |
3174 | } |
3402 | } |
3175 | if (i == 4) { |
3403 | if (i == 4) { |
3176 | DRM_DEBUG_KMS("FDI train 1 fail on vswing %d\n", j / 2); |
3404 | DRM_DEBUG_KMS("FDI train 1 fail on vswing %d\n", j / 2); |
3177 | continue; |
3405 | continue; |
3178 | } |
3406 | } |
3179 | 3407 | ||
3180 | /* Train 2 */ |
3408 | /* Train 2 */ |
3181 | reg = FDI_TX_CTL(pipe); |
3409 | reg = FDI_TX_CTL(pipe); |
3182 | temp = I915_READ(reg); |
3410 | temp = I915_READ(reg); |
3183 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
3411 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
3184 | temp |= FDI_LINK_TRAIN_PATTERN_2_IVB; |
3412 | temp |= FDI_LINK_TRAIN_PATTERN_2_IVB; |
3185 | I915_WRITE(reg, temp); |
3413 | I915_WRITE(reg, temp); |
3186 | 3414 | ||
3187 | reg = FDI_RX_CTL(pipe); |
3415 | reg = FDI_RX_CTL(pipe); |
3188 | temp = I915_READ(reg); |
3416 | temp = I915_READ(reg); |
3189 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
3417 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
3190 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; |
3418 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; |
3191 | I915_WRITE(reg, temp); |
3419 | I915_WRITE(reg, temp); |
3192 | 3420 | ||
3193 | POSTING_READ(reg); |
3421 | POSTING_READ(reg); |
3194 | udelay(2); /* should be 1.5us */ |
3422 | udelay(2); /* should be 1.5us */ |
3195 | 3423 | ||
3196 | for (i = 0; i < 4; i++) { |
3424 | for (i = 0; i < 4; i++) { |
3197 | reg = FDI_RX_IIR(pipe); |
3425 | reg = FDI_RX_IIR(pipe); |
3198 | temp = I915_READ(reg); |
3426 | temp = I915_READ(reg); |
3199 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3427 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3200 | 3428 | ||
3201 | if (temp & FDI_RX_SYMBOL_LOCK || |
3429 | if (temp & FDI_RX_SYMBOL_LOCK || |
3202 | (I915_READ(reg) & FDI_RX_SYMBOL_LOCK)) { |
3430 | (I915_READ(reg) & FDI_RX_SYMBOL_LOCK)) { |
3203 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); |
3431 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); |
3204 | DRM_DEBUG_KMS("FDI train 2 done, level %i.\n", |
3432 | DRM_DEBUG_KMS("FDI train 2 done, level %i.\n", |
3205 | i); |
3433 | i); |
3206 | goto train_done; |
3434 | goto train_done; |
3207 | } |
3435 | } |
3208 | udelay(2); /* should be 1.5us */ |
3436 | udelay(2); /* should be 1.5us */ |
3209 | } |
3437 | } |
3210 | if (i == 4) |
3438 | if (i == 4) |
3211 | DRM_DEBUG_KMS("FDI train 2 fail on vswing %d\n", j / 2); |
3439 | DRM_DEBUG_KMS("FDI train 2 fail on vswing %d\n", j / 2); |
3212 | } |
3440 | } |
3213 | 3441 | ||
3214 | train_done: |
3442 | train_done: |
3215 | DRM_DEBUG_KMS("FDI train done.\n"); |
3443 | DRM_DEBUG_KMS("FDI train done.\n"); |
3216 | } |
3444 | } |
3217 | 3445 | ||
3218 | static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc) |
3446 | static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc) |
3219 | { |
3447 | { |
3220 | struct drm_device *dev = intel_crtc->base.dev; |
3448 | struct drm_device *dev = intel_crtc->base.dev; |
3221 | struct drm_i915_private *dev_priv = dev->dev_private; |
3449 | struct drm_i915_private *dev_priv = dev->dev_private; |
3222 | int pipe = intel_crtc->pipe; |
3450 | int pipe = intel_crtc->pipe; |
3223 | u32 reg, temp; |
3451 | u32 reg, temp; |
3224 | 3452 | ||
3225 | 3453 | ||
3226 | /* enable PCH FDI RX PLL, wait warmup plus DMI latency */ |
3454 | /* enable PCH FDI RX PLL, wait warmup plus DMI latency */ |
3227 | reg = FDI_RX_CTL(pipe); |
3455 | reg = FDI_RX_CTL(pipe); |
3228 | temp = I915_READ(reg); |
3456 | temp = I915_READ(reg); |
3229 | temp &= ~(FDI_DP_PORT_WIDTH_MASK | (0x7 << 16)); |
3457 | temp &= ~(FDI_DP_PORT_WIDTH_MASK | (0x7 << 16)); |
3230 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes); |
3458 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes); |
3231 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
3459 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
3232 | I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE); |
3460 | I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE); |
3233 | 3461 | ||
3234 | POSTING_READ(reg); |
3462 | POSTING_READ(reg); |
3235 | udelay(200); |
3463 | udelay(200); |
3236 | 3464 | ||
3237 | /* Switch from Rawclk to PCDclk */ |
3465 | /* Switch from Rawclk to PCDclk */ |
3238 | temp = I915_READ(reg); |
3466 | temp = I915_READ(reg); |
3239 | I915_WRITE(reg, temp | FDI_PCDCLK); |
3467 | I915_WRITE(reg, temp | FDI_PCDCLK); |
3240 | 3468 | ||
3241 | POSTING_READ(reg); |
3469 | POSTING_READ(reg); |
3242 | udelay(200); |
3470 | udelay(200); |
3243 | 3471 | ||
3244 | /* Enable CPU FDI TX PLL, always on for Ironlake */ |
3472 | /* Enable CPU FDI TX PLL, always on for Ironlake */ |
3245 | reg = FDI_TX_CTL(pipe); |
3473 | reg = FDI_TX_CTL(pipe); |
3246 | temp = I915_READ(reg); |
3474 | temp = I915_READ(reg); |
3247 | if ((temp & FDI_TX_PLL_ENABLE) == 0) { |
3475 | if ((temp & FDI_TX_PLL_ENABLE) == 0) { |
3248 | I915_WRITE(reg, temp | FDI_TX_PLL_ENABLE); |
3476 | I915_WRITE(reg, temp | FDI_TX_PLL_ENABLE); |
3249 | 3477 | ||
3250 | POSTING_READ(reg); |
3478 | POSTING_READ(reg); |
3251 | udelay(100); |
3479 | udelay(100); |
3252 | } |
3480 | } |
3253 | } |
3481 | } |
3254 | 3482 | ||
3255 | static void ironlake_fdi_pll_disable(struct intel_crtc *intel_crtc) |
3483 | static void ironlake_fdi_pll_disable(struct intel_crtc *intel_crtc) |
3256 | { |
3484 | { |
3257 | struct drm_device *dev = intel_crtc->base.dev; |
3485 | struct drm_device *dev = intel_crtc->base.dev; |
3258 | struct drm_i915_private *dev_priv = dev->dev_private; |
3486 | struct drm_i915_private *dev_priv = dev->dev_private; |
3259 | int pipe = intel_crtc->pipe; |
3487 | int pipe = intel_crtc->pipe; |
3260 | u32 reg, temp; |
3488 | u32 reg, temp; |
3261 | 3489 | ||
3262 | /* Switch from PCDclk to Rawclk */ |
3490 | /* Switch from PCDclk to Rawclk */ |
3263 | reg = FDI_RX_CTL(pipe); |
3491 | reg = FDI_RX_CTL(pipe); |
3264 | temp = I915_READ(reg); |
3492 | temp = I915_READ(reg); |
3265 | I915_WRITE(reg, temp & ~FDI_PCDCLK); |
3493 | I915_WRITE(reg, temp & ~FDI_PCDCLK); |
3266 | 3494 | ||
3267 | /* Disable CPU FDI TX PLL */ |
3495 | /* Disable CPU FDI TX PLL */ |
3268 | reg = FDI_TX_CTL(pipe); |
3496 | reg = FDI_TX_CTL(pipe); |
3269 | temp = I915_READ(reg); |
3497 | temp = I915_READ(reg); |
3270 | I915_WRITE(reg, temp & ~FDI_TX_PLL_ENABLE); |
3498 | I915_WRITE(reg, temp & ~FDI_TX_PLL_ENABLE); |
3271 | 3499 | ||
3272 | POSTING_READ(reg); |
3500 | POSTING_READ(reg); |
3273 | udelay(100); |
3501 | udelay(100); |
3274 | 3502 | ||
3275 | reg = FDI_RX_CTL(pipe); |
3503 | reg = FDI_RX_CTL(pipe); |
3276 | temp = I915_READ(reg); |
3504 | temp = I915_READ(reg); |
3277 | I915_WRITE(reg, temp & ~FDI_RX_PLL_ENABLE); |
3505 | I915_WRITE(reg, temp & ~FDI_RX_PLL_ENABLE); |
3278 | 3506 | ||
3279 | /* Wait for the clocks to turn off. */ |
3507 | /* Wait for the clocks to turn off. */ |
3280 | POSTING_READ(reg); |
3508 | POSTING_READ(reg); |
3281 | udelay(100); |
3509 | udelay(100); |
3282 | } |
3510 | } |
3283 | 3511 | ||
3284 | static void ironlake_fdi_disable(struct drm_crtc *crtc) |
3512 | static void ironlake_fdi_disable(struct drm_crtc *crtc) |
3285 | { |
3513 | { |
3286 | struct drm_device *dev = crtc->dev; |
3514 | struct drm_device *dev = crtc->dev; |
3287 | struct drm_i915_private *dev_priv = dev->dev_private; |
3515 | struct drm_i915_private *dev_priv = dev->dev_private; |
3288 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3516 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3289 | int pipe = intel_crtc->pipe; |
3517 | int pipe = intel_crtc->pipe; |
3290 | u32 reg, temp; |
3518 | u32 reg, temp; |
3291 | 3519 | ||
3292 | /* disable CPU FDI tx and PCH FDI rx */ |
3520 | /* disable CPU FDI tx and PCH FDI rx */ |
3293 | reg = FDI_TX_CTL(pipe); |
3521 | reg = FDI_TX_CTL(pipe); |
3294 | temp = I915_READ(reg); |
3522 | temp = I915_READ(reg); |
3295 | I915_WRITE(reg, temp & ~FDI_TX_ENABLE); |
3523 | I915_WRITE(reg, temp & ~FDI_TX_ENABLE); |
3296 | POSTING_READ(reg); |
3524 | POSTING_READ(reg); |
3297 | 3525 | ||
3298 | reg = FDI_RX_CTL(pipe); |
3526 | reg = FDI_RX_CTL(pipe); |
3299 | temp = I915_READ(reg); |
3527 | temp = I915_READ(reg); |
3300 | temp &= ~(0x7 << 16); |
3528 | temp &= ~(0x7 << 16); |
3301 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
3529 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
3302 | I915_WRITE(reg, temp & ~FDI_RX_ENABLE); |
3530 | I915_WRITE(reg, temp & ~FDI_RX_ENABLE); |
3303 | 3531 | ||
3304 | POSTING_READ(reg); |
3532 | POSTING_READ(reg); |
3305 | udelay(100); |
3533 | udelay(100); |
3306 | 3534 | ||
3307 | /* Ironlake workaround, disable clock pointer after downing FDI */ |
3535 | /* Ironlake workaround, disable clock pointer after downing FDI */ |
3308 | if (HAS_PCH_IBX(dev)) |
3536 | if (HAS_PCH_IBX(dev)) |
3309 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
3537 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
3310 | 3538 | ||
3311 | /* still set train pattern 1 */ |
3539 | /* still set train pattern 1 */ |
3312 | reg = FDI_TX_CTL(pipe); |
3540 | reg = FDI_TX_CTL(pipe); |
3313 | temp = I915_READ(reg); |
3541 | temp = I915_READ(reg); |
3314 | temp &= ~FDI_LINK_TRAIN_NONE; |
3542 | temp &= ~FDI_LINK_TRAIN_NONE; |
3315 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
3543 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
3316 | I915_WRITE(reg, temp); |
3544 | I915_WRITE(reg, temp); |
3317 | 3545 | ||
3318 | reg = FDI_RX_CTL(pipe); |
3546 | reg = FDI_RX_CTL(pipe); |
3319 | temp = I915_READ(reg); |
3547 | temp = I915_READ(reg); |
3320 | if (HAS_PCH_CPT(dev)) { |
3548 | if (HAS_PCH_CPT(dev)) { |
3321 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
3549 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
3322 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; |
3550 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; |
3323 | } else { |
3551 | } else { |
3324 | temp &= ~FDI_LINK_TRAIN_NONE; |
3552 | temp &= ~FDI_LINK_TRAIN_NONE; |
3325 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
3553 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
3326 | } |
3554 | } |
3327 | /* BPC in FDI rx is consistent with that in PIPECONF */ |
3555 | /* BPC in FDI rx is consistent with that in PIPECONF */ |
3328 | temp &= ~(0x07 << 16); |
3556 | temp &= ~(0x07 << 16); |
3329 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
3557 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
3330 | I915_WRITE(reg, temp); |
3558 | I915_WRITE(reg, temp); |
3331 | 3559 | ||
3332 | POSTING_READ(reg); |
3560 | POSTING_READ(reg); |
3333 | udelay(100); |
3561 | udelay(100); |
3334 | } |
3562 | } |
3335 | 3563 | ||
3336 | bool intel_has_pending_fb_unpin(struct drm_device *dev) |
3564 | bool intel_has_pending_fb_unpin(struct drm_device *dev) |
3337 | { |
3565 | { |
3338 | struct intel_crtc *crtc; |
3566 | struct intel_crtc *crtc; |
3339 | 3567 | ||
3340 | /* Note that we don't need to be called with mode_config.lock here |
3568 | /* Note that we don't need to be called with mode_config.lock here |
3341 | * as our list of CRTC objects is static for the lifetime of the |
3569 | * as our list of CRTC objects is static for the lifetime of the |
3342 | * device and so cannot disappear as we iterate. Similarly, we can |
3570 | * device and so cannot disappear as we iterate. Similarly, we can |
3343 | * happily treat the predicates as racy, atomic checks as userspace |
3571 | * happily treat the predicates as racy, atomic checks as userspace |
3344 | * cannot claim and pin a new fb without at least acquring the |
3572 | * cannot claim and pin a new fb without at least acquring the |
3345 | * struct_mutex and so serialising with us. |
3573 | * struct_mutex and so serialising with us. |
3346 | */ |
3574 | */ |
3347 | for_each_intel_crtc(dev, crtc) { |
3575 | for_each_intel_crtc(dev, crtc) { |
3348 | if (atomic_read(&crtc->unpin_work_count) == 0) |
3576 | if (atomic_read(&crtc->unpin_work_count) == 0) |
3349 | continue; |
3577 | continue; |
3350 | 3578 | ||
3351 | if (crtc->unpin_work) |
3579 | if (crtc->unpin_work) |
3352 | intel_wait_for_vblank(dev, crtc->pipe); |
3580 | intel_wait_for_vblank(dev, crtc->pipe); |
3353 | 3581 | ||
3354 | return true; |
3582 | return true; |
3355 | } |
3583 | } |
3356 | 3584 | ||
3357 | return false; |
3585 | return false; |
3358 | } |
3586 | } |
3359 | 3587 | ||
3360 | #if 0 |
3588 | #if 0 |
3361 | void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc) |
3589 | void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc) |
3362 | { |
3590 | { |
3363 | struct drm_device *dev = crtc->dev; |
3591 | struct drm_device *dev = crtc->dev; |
3364 | struct drm_i915_private *dev_priv = dev->dev_private; |
3592 | struct drm_i915_private *dev_priv = dev->dev_private; |
3365 | - | ||
3366 | if (crtc->primary->fb == NULL) |
- | |
3367 | return; |
- | |
3368 | 3593 | ||
3369 | WARN_ON(waitqueue_active(&dev_priv->pending_flip_queue)); |
- | |
3370 | 3594 | WARN_ON(waitqueue_active(&dev_priv->pending_flip_queue)); |
|
3371 | WARN_ON(wait_event_timeout(dev_priv->pending_flip_queue, |
3595 | if (WARN_ON(wait_event_timeout(dev_priv->pending_flip_queue, |
3372 | !intel_crtc_has_pending_flip(crtc), |
3596 | !intel_crtc_has_pending_flip(crtc), |
- | 3597 | 60*HZ) == 0)) { |
|
- | 3598 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
|
- | 3599 | ||
- | 3600 | spin_lock_irq(&dev->event_lock); |
|
- | 3601 | if (intel_crtc->unpin_work) { |
|
- | 3602 | WARN_ONCE(1, "Removing stuck page flip\n"); |
|
- | 3603 | page_flip_completed(intel_crtc); |
|
- | 3604 | } |
|
- | 3605 | spin_unlock_irq(&dev->event_lock); |
|
- | 3606 | } |
|
3373 | 60*HZ) == 0); |
3607 | |
3374 | 3608 | if (crtc->primary->fb) { |
|
3375 | mutex_lock(&dev->struct_mutex); |
3609 | mutex_lock(&dev->struct_mutex); |
3376 | intel_finish_fb(crtc->primary->fb); |
3610 | intel_finish_fb(crtc->primary->fb); |
3377 | mutex_unlock(&dev->struct_mutex); |
3611 | mutex_unlock(&dev->struct_mutex); |
3378 | } |
3612 | } |
- | 3613 | } |
|
3379 | #endif |
3614 | #endif |
3380 | 3615 | ||
3381 | /* Program iCLKIP clock to the desired frequency */ |
3616 | /* Program iCLKIP clock to the desired frequency */ |
3382 | static void lpt_program_iclkip(struct drm_crtc *crtc) |
3617 | static void lpt_program_iclkip(struct drm_crtc *crtc) |
3383 | { |
3618 | { |
3384 | struct drm_device *dev = crtc->dev; |
3619 | struct drm_device *dev = crtc->dev; |
3385 | struct drm_i915_private *dev_priv = dev->dev_private; |
3620 | struct drm_i915_private *dev_priv = dev->dev_private; |
3386 | int clock = to_intel_crtc(crtc)->config.adjusted_mode.crtc_clock; |
3621 | int clock = to_intel_crtc(crtc)->config.adjusted_mode.crtc_clock; |
3387 | u32 divsel, phaseinc, auxdiv, phasedir = 0; |
3622 | u32 divsel, phaseinc, auxdiv, phasedir = 0; |
3388 | u32 temp; |
3623 | u32 temp; |
3389 | 3624 | ||
3390 | mutex_lock(&dev_priv->dpio_lock); |
3625 | mutex_lock(&dev_priv->dpio_lock); |
3391 | 3626 | ||
3392 | /* It is necessary to ungate the pixclk gate prior to programming |
3627 | /* It is necessary to ungate the pixclk gate prior to programming |
3393 | * the divisors, and gate it back when it is done. |
3628 | * the divisors, and gate it back when it is done. |
3394 | */ |
3629 | */ |
3395 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_GATE); |
3630 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_GATE); |
3396 | 3631 | ||
3397 | /* Disable SSCCTL */ |
3632 | /* Disable SSCCTL */ |
3398 | intel_sbi_write(dev_priv, SBI_SSCCTL6, |
3633 | intel_sbi_write(dev_priv, SBI_SSCCTL6, |
3399 | intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK) | |
3634 | intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK) | |
3400 | SBI_SSCCTL_DISABLE, |
3635 | SBI_SSCCTL_DISABLE, |
3401 | SBI_ICLK); |
3636 | SBI_ICLK); |
3402 | 3637 | ||
3403 | /* 20MHz is a corner case which is out of range for the 7-bit divisor */ |
3638 | /* 20MHz is a corner case which is out of range for the 7-bit divisor */ |
3404 | if (clock == 20000) { |
3639 | if (clock == 20000) { |
3405 | auxdiv = 1; |
3640 | auxdiv = 1; |
3406 | divsel = 0x41; |
3641 | divsel = 0x41; |
3407 | phaseinc = 0x20; |
3642 | phaseinc = 0x20; |
3408 | } else { |
3643 | } else { |
3409 | /* The iCLK virtual clock root frequency is in MHz, |
3644 | /* The iCLK virtual clock root frequency is in MHz, |
3410 | * but the adjusted_mode->crtc_clock in in KHz. To get the |
3645 | * but the adjusted_mode->crtc_clock in in KHz. To get the |
3411 | * divisors, it is necessary to divide one by another, so we |
3646 | * divisors, it is necessary to divide one by another, so we |
3412 | * convert the virtual clock precision to KHz here for higher |
3647 | * convert the virtual clock precision to KHz here for higher |
3413 | * precision. |
3648 | * precision. |
3414 | */ |
3649 | */ |
3415 | u32 iclk_virtual_root_freq = 172800 * 1000; |
3650 | u32 iclk_virtual_root_freq = 172800 * 1000; |
3416 | u32 iclk_pi_range = 64; |
3651 | u32 iclk_pi_range = 64; |
3417 | u32 desired_divisor, msb_divisor_value, pi_value; |
3652 | u32 desired_divisor, msb_divisor_value, pi_value; |
3418 | 3653 | ||
3419 | desired_divisor = (iclk_virtual_root_freq / clock); |
3654 | desired_divisor = (iclk_virtual_root_freq / clock); |
3420 | msb_divisor_value = desired_divisor / iclk_pi_range; |
3655 | msb_divisor_value = desired_divisor / iclk_pi_range; |
3421 | pi_value = desired_divisor % iclk_pi_range; |
3656 | pi_value = desired_divisor % iclk_pi_range; |
3422 | 3657 | ||
3423 | auxdiv = 0; |
3658 | auxdiv = 0; |
3424 | divsel = msb_divisor_value - 2; |
3659 | divsel = msb_divisor_value - 2; |
3425 | phaseinc = pi_value; |
3660 | phaseinc = pi_value; |
3426 | } |
3661 | } |
3427 | 3662 | ||
3428 | /* This should not happen with any sane values */ |
3663 | /* This should not happen with any sane values */ |
3429 | WARN_ON(SBI_SSCDIVINTPHASE_DIVSEL(divsel) & |
3664 | WARN_ON(SBI_SSCDIVINTPHASE_DIVSEL(divsel) & |
3430 | ~SBI_SSCDIVINTPHASE_DIVSEL_MASK); |
3665 | ~SBI_SSCDIVINTPHASE_DIVSEL_MASK); |
3431 | WARN_ON(SBI_SSCDIVINTPHASE_DIR(phasedir) & |
3666 | WARN_ON(SBI_SSCDIVINTPHASE_DIR(phasedir) & |
3432 | ~SBI_SSCDIVINTPHASE_INCVAL_MASK); |
3667 | ~SBI_SSCDIVINTPHASE_INCVAL_MASK); |
3433 | 3668 | ||
3434 | DRM_DEBUG_KMS("iCLKIP clock: found settings for %dKHz refresh rate: auxdiv=%x, divsel=%x, phasedir=%x, phaseinc=%x\n", |
3669 | DRM_DEBUG_KMS("iCLKIP clock: found settings for %dKHz refresh rate: auxdiv=%x, divsel=%x, phasedir=%x, phaseinc=%x\n", |
3435 | clock, |
3670 | clock, |
3436 | auxdiv, |
3671 | auxdiv, |
3437 | divsel, |
3672 | divsel, |
3438 | phasedir, |
3673 | phasedir, |
3439 | phaseinc); |
3674 | phaseinc); |
3440 | 3675 | ||
3441 | /* Program SSCDIVINTPHASE6 */ |
3676 | /* Program SSCDIVINTPHASE6 */ |
3442 | temp = intel_sbi_read(dev_priv, SBI_SSCDIVINTPHASE6, SBI_ICLK); |
3677 | temp = intel_sbi_read(dev_priv, SBI_SSCDIVINTPHASE6, SBI_ICLK); |
3443 | temp &= ~SBI_SSCDIVINTPHASE_DIVSEL_MASK; |
3678 | temp &= ~SBI_SSCDIVINTPHASE_DIVSEL_MASK; |
3444 | temp |= SBI_SSCDIVINTPHASE_DIVSEL(divsel); |
3679 | temp |= SBI_SSCDIVINTPHASE_DIVSEL(divsel); |
3445 | temp &= ~SBI_SSCDIVINTPHASE_INCVAL_MASK; |
3680 | temp &= ~SBI_SSCDIVINTPHASE_INCVAL_MASK; |
3446 | temp |= SBI_SSCDIVINTPHASE_INCVAL(phaseinc); |
3681 | temp |= SBI_SSCDIVINTPHASE_INCVAL(phaseinc); |
3447 | temp |= SBI_SSCDIVINTPHASE_DIR(phasedir); |
3682 | temp |= SBI_SSCDIVINTPHASE_DIR(phasedir); |
3448 | temp |= SBI_SSCDIVINTPHASE_PROPAGATE; |
3683 | temp |= SBI_SSCDIVINTPHASE_PROPAGATE; |
3449 | intel_sbi_write(dev_priv, SBI_SSCDIVINTPHASE6, temp, SBI_ICLK); |
3684 | intel_sbi_write(dev_priv, SBI_SSCDIVINTPHASE6, temp, SBI_ICLK); |
3450 | 3685 | ||
3451 | /* Program SSCAUXDIV */ |
3686 | /* Program SSCAUXDIV */ |
3452 | temp = intel_sbi_read(dev_priv, SBI_SSCAUXDIV6, SBI_ICLK); |
3687 | temp = intel_sbi_read(dev_priv, SBI_SSCAUXDIV6, SBI_ICLK); |
3453 | temp &= ~SBI_SSCAUXDIV_FINALDIV2SEL(1); |
3688 | temp &= ~SBI_SSCAUXDIV_FINALDIV2SEL(1); |
3454 | temp |= SBI_SSCAUXDIV_FINALDIV2SEL(auxdiv); |
3689 | temp |= SBI_SSCAUXDIV_FINALDIV2SEL(auxdiv); |
3455 | intel_sbi_write(dev_priv, SBI_SSCAUXDIV6, temp, SBI_ICLK); |
3690 | intel_sbi_write(dev_priv, SBI_SSCAUXDIV6, temp, SBI_ICLK); |
3456 | 3691 | ||
3457 | /* Enable modulator and associated divider */ |
3692 | /* Enable modulator and associated divider */ |
3458 | temp = intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK); |
3693 | temp = intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK); |
3459 | temp &= ~SBI_SSCCTL_DISABLE; |
3694 | temp &= ~SBI_SSCCTL_DISABLE; |
3460 | intel_sbi_write(dev_priv, SBI_SSCCTL6, temp, SBI_ICLK); |
3695 | intel_sbi_write(dev_priv, SBI_SSCCTL6, temp, SBI_ICLK); |
3461 | 3696 | ||
3462 | /* Wait for initialization time */ |
3697 | /* Wait for initialization time */ |
3463 | udelay(24); |
3698 | udelay(24); |
3464 | 3699 | ||
3465 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_UNGATE); |
3700 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_UNGATE); |
3466 | 3701 | ||
3467 | mutex_unlock(&dev_priv->dpio_lock); |
3702 | mutex_unlock(&dev_priv->dpio_lock); |
3468 | } |
3703 | } |
3469 | 3704 | ||
3470 | static void ironlake_pch_transcoder_set_timings(struct intel_crtc *crtc, |
3705 | static void ironlake_pch_transcoder_set_timings(struct intel_crtc *crtc, |
3471 | enum pipe pch_transcoder) |
3706 | enum pipe pch_transcoder) |
3472 | { |
3707 | { |
3473 | struct drm_device *dev = crtc->base.dev; |
3708 | struct drm_device *dev = crtc->base.dev; |
3474 | struct drm_i915_private *dev_priv = dev->dev_private; |
3709 | struct drm_i915_private *dev_priv = dev->dev_private; |
3475 | enum transcoder cpu_transcoder = crtc->config.cpu_transcoder; |
3710 | enum transcoder cpu_transcoder = crtc->config.cpu_transcoder; |
3476 | 3711 | ||
3477 | I915_WRITE(PCH_TRANS_HTOTAL(pch_transcoder), |
3712 | I915_WRITE(PCH_TRANS_HTOTAL(pch_transcoder), |
3478 | I915_READ(HTOTAL(cpu_transcoder))); |
3713 | I915_READ(HTOTAL(cpu_transcoder))); |
3479 | I915_WRITE(PCH_TRANS_HBLANK(pch_transcoder), |
3714 | I915_WRITE(PCH_TRANS_HBLANK(pch_transcoder), |
3480 | I915_READ(HBLANK(cpu_transcoder))); |
3715 | I915_READ(HBLANK(cpu_transcoder))); |
3481 | I915_WRITE(PCH_TRANS_HSYNC(pch_transcoder), |
3716 | I915_WRITE(PCH_TRANS_HSYNC(pch_transcoder), |
3482 | I915_READ(HSYNC(cpu_transcoder))); |
3717 | I915_READ(HSYNC(cpu_transcoder))); |
3483 | 3718 | ||
3484 | I915_WRITE(PCH_TRANS_VTOTAL(pch_transcoder), |
3719 | I915_WRITE(PCH_TRANS_VTOTAL(pch_transcoder), |
3485 | I915_READ(VTOTAL(cpu_transcoder))); |
3720 | I915_READ(VTOTAL(cpu_transcoder))); |
3486 | I915_WRITE(PCH_TRANS_VBLANK(pch_transcoder), |
3721 | I915_WRITE(PCH_TRANS_VBLANK(pch_transcoder), |
3487 | I915_READ(VBLANK(cpu_transcoder))); |
3722 | I915_READ(VBLANK(cpu_transcoder))); |
3488 | I915_WRITE(PCH_TRANS_VSYNC(pch_transcoder), |
3723 | I915_WRITE(PCH_TRANS_VSYNC(pch_transcoder), |
3489 | I915_READ(VSYNC(cpu_transcoder))); |
3724 | I915_READ(VSYNC(cpu_transcoder))); |
3490 | I915_WRITE(PCH_TRANS_VSYNCSHIFT(pch_transcoder), |
3725 | I915_WRITE(PCH_TRANS_VSYNCSHIFT(pch_transcoder), |
3491 | I915_READ(VSYNCSHIFT(cpu_transcoder))); |
3726 | I915_READ(VSYNCSHIFT(cpu_transcoder))); |
3492 | } |
3727 | } |
3493 | 3728 | ||
3494 | static void cpt_enable_fdi_bc_bifurcation(struct drm_device *dev) |
3729 | static void cpt_enable_fdi_bc_bifurcation(struct drm_device *dev) |
3495 | { |
3730 | { |
3496 | struct drm_i915_private *dev_priv = dev->dev_private; |
3731 | struct drm_i915_private *dev_priv = dev->dev_private; |
3497 | uint32_t temp; |
3732 | uint32_t temp; |
3498 | 3733 | ||
3499 | temp = I915_READ(SOUTH_CHICKEN1); |
3734 | temp = I915_READ(SOUTH_CHICKEN1); |
3500 | if (temp & FDI_BC_BIFURCATION_SELECT) |
3735 | if (temp & FDI_BC_BIFURCATION_SELECT) |
3501 | return; |
3736 | return; |
3502 | 3737 | ||
3503 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); |
3738 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); |
3504 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); |
3739 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); |
3505 | 3740 | ||
3506 | temp |= FDI_BC_BIFURCATION_SELECT; |
3741 | temp |= FDI_BC_BIFURCATION_SELECT; |
3507 | DRM_DEBUG_KMS("enabling fdi C rx\n"); |
3742 | DRM_DEBUG_KMS("enabling fdi C rx\n"); |
3508 | I915_WRITE(SOUTH_CHICKEN1, temp); |
3743 | I915_WRITE(SOUTH_CHICKEN1, temp); |
3509 | POSTING_READ(SOUTH_CHICKEN1); |
3744 | POSTING_READ(SOUTH_CHICKEN1); |
3510 | } |
3745 | } |
3511 | 3746 | ||
3512 | static void ivybridge_update_fdi_bc_bifurcation(struct intel_crtc *intel_crtc) |
3747 | static void ivybridge_update_fdi_bc_bifurcation(struct intel_crtc *intel_crtc) |
3513 | { |
3748 | { |
3514 | struct drm_device *dev = intel_crtc->base.dev; |
3749 | struct drm_device *dev = intel_crtc->base.dev; |
3515 | struct drm_i915_private *dev_priv = dev->dev_private; |
3750 | struct drm_i915_private *dev_priv = dev->dev_private; |
3516 | 3751 | ||
3517 | switch (intel_crtc->pipe) { |
3752 | switch (intel_crtc->pipe) { |
3518 | case PIPE_A: |
3753 | case PIPE_A: |
3519 | break; |
3754 | break; |
3520 | case PIPE_B: |
3755 | case PIPE_B: |
3521 | if (intel_crtc->config.fdi_lanes > 2) |
3756 | if (intel_crtc->config.fdi_lanes > 2) |
3522 | WARN_ON(I915_READ(SOUTH_CHICKEN1) & FDI_BC_BIFURCATION_SELECT); |
3757 | WARN_ON(I915_READ(SOUTH_CHICKEN1) & FDI_BC_BIFURCATION_SELECT); |
3523 | else |
3758 | else |
3524 | cpt_enable_fdi_bc_bifurcation(dev); |
3759 | cpt_enable_fdi_bc_bifurcation(dev); |
3525 | 3760 | ||
3526 | break; |
3761 | break; |
3527 | case PIPE_C: |
3762 | case PIPE_C: |
3528 | cpt_enable_fdi_bc_bifurcation(dev); |
3763 | cpt_enable_fdi_bc_bifurcation(dev); |
3529 | 3764 | ||
3530 | break; |
3765 | break; |
3531 | default: |
3766 | default: |
3532 | BUG(); |
3767 | BUG(); |
3533 | } |
3768 | } |
3534 | } |
3769 | } |
3535 | 3770 | ||
3536 | /* |
3771 | /* |
3537 | * Enable PCH resources required for PCH ports: |
3772 | * Enable PCH resources required for PCH ports: |
3538 | * - PCH PLLs |
3773 | * - PCH PLLs |
3539 | * - FDI training & RX/TX |
3774 | * - FDI training & RX/TX |
3540 | * - update transcoder timings |
3775 | * - update transcoder timings |
3541 | * - DP transcoding bits |
3776 | * - DP transcoding bits |
3542 | * - transcoder |
3777 | * - transcoder |
3543 | */ |
3778 | */ |
3544 | static void ironlake_pch_enable(struct drm_crtc *crtc) |
3779 | static void ironlake_pch_enable(struct drm_crtc *crtc) |
3545 | { |
3780 | { |
3546 | struct drm_device *dev = crtc->dev; |
3781 | struct drm_device *dev = crtc->dev; |
3547 | struct drm_i915_private *dev_priv = dev->dev_private; |
3782 | struct drm_i915_private *dev_priv = dev->dev_private; |
3548 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3783 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3549 | int pipe = intel_crtc->pipe; |
3784 | int pipe = intel_crtc->pipe; |
3550 | u32 reg, temp; |
3785 | u32 reg, temp; |
3551 | 3786 | ||
3552 | assert_pch_transcoder_disabled(dev_priv, pipe); |
3787 | assert_pch_transcoder_disabled(dev_priv, pipe); |
3553 | 3788 | ||
3554 | if (IS_IVYBRIDGE(dev)) |
3789 | if (IS_IVYBRIDGE(dev)) |
3555 | ivybridge_update_fdi_bc_bifurcation(intel_crtc); |
3790 | ivybridge_update_fdi_bc_bifurcation(intel_crtc); |
3556 | 3791 | ||
3557 | /* Write the TU size bits before fdi link training, so that error |
3792 | /* Write the TU size bits before fdi link training, so that error |
3558 | * detection works. */ |
3793 | * detection works. */ |
3559 | I915_WRITE(FDI_RX_TUSIZE1(pipe), |
3794 | I915_WRITE(FDI_RX_TUSIZE1(pipe), |
3560 | I915_READ(PIPE_DATA_M1(pipe)) & TU_SIZE_MASK); |
3795 | I915_READ(PIPE_DATA_M1(pipe)) & TU_SIZE_MASK); |
3561 | 3796 | ||
3562 | /* For PCH output, training FDI link */ |
3797 | /* For PCH output, training FDI link */ |
3563 | dev_priv->display.fdi_link_train(crtc); |
3798 | dev_priv->display.fdi_link_train(crtc); |
3564 | 3799 | ||
3565 | /* We need to program the right clock selection before writing the pixel |
3800 | /* We need to program the right clock selection before writing the pixel |
3566 | * mutliplier into the DPLL. */ |
3801 | * mutliplier into the DPLL. */ |
3567 | if (HAS_PCH_CPT(dev)) { |
3802 | if (HAS_PCH_CPT(dev)) { |
3568 | u32 sel; |
3803 | u32 sel; |
3569 | 3804 | ||
3570 | temp = I915_READ(PCH_DPLL_SEL); |
3805 | temp = I915_READ(PCH_DPLL_SEL); |
3571 | temp |= TRANS_DPLL_ENABLE(pipe); |
3806 | temp |= TRANS_DPLL_ENABLE(pipe); |
3572 | sel = TRANS_DPLLB_SEL(pipe); |
3807 | sel = TRANS_DPLLB_SEL(pipe); |
3573 | if (intel_crtc->config.shared_dpll == DPLL_ID_PCH_PLL_B) |
3808 | if (intel_crtc->config.shared_dpll == DPLL_ID_PCH_PLL_B) |
3574 | temp |= sel; |
3809 | temp |= sel; |
3575 | else |
3810 | else |
3576 | temp &= ~sel; |
3811 | temp &= ~sel; |
3577 | I915_WRITE(PCH_DPLL_SEL, temp); |
3812 | I915_WRITE(PCH_DPLL_SEL, temp); |
3578 | } |
3813 | } |
3579 | 3814 | ||
3580 | /* XXX: pch pll's can be enabled any time before we enable the PCH |
3815 | /* XXX: pch pll's can be enabled any time before we enable the PCH |
3581 | * transcoder, and we actually should do this to not upset any PCH |
3816 | * transcoder, and we actually should do this to not upset any PCH |
3582 | * transcoder that already use the clock when we share it. |
3817 | * transcoder that already use the clock when we share it. |
3583 | * |
3818 | * |
3584 | * Note that enable_shared_dpll tries to do the right thing, but |
3819 | * Note that enable_shared_dpll tries to do the right thing, but |
3585 | * get_shared_dpll unconditionally resets the pll - we need that to have |
3820 | * get_shared_dpll unconditionally resets the pll - we need that to have |
3586 | * the right LVDS enable sequence. */ |
3821 | * the right LVDS enable sequence. */ |
3587 | intel_enable_shared_dpll(intel_crtc); |
3822 | intel_enable_shared_dpll(intel_crtc); |
3588 | 3823 | ||
3589 | /* set transcoder timing, panel must allow it */ |
3824 | /* set transcoder timing, panel must allow it */ |
3590 | assert_panel_unlocked(dev_priv, pipe); |
3825 | assert_panel_unlocked(dev_priv, pipe); |
3591 | ironlake_pch_transcoder_set_timings(intel_crtc, pipe); |
3826 | ironlake_pch_transcoder_set_timings(intel_crtc, pipe); |
3592 | 3827 | ||
3593 | intel_fdi_normal_train(crtc); |
3828 | intel_fdi_normal_train(crtc); |
3594 | 3829 | ||
3595 | /* For PCH DP, enable TRANS_DP_CTL */ |
3830 | /* For PCH DP, enable TRANS_DP_CTL */ |
3596 | if (HAS_PCH_CPT(dev) && |
- | |
3597 | (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) || |
- | |
3598 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) { |
3831 | if (HAS_PCH_CPT(dev) && intel_crtc->config.has_dp_encoder) { |
3599 | u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) >> 5; |
3832 | u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) >> 5; |
3600 | reg = TRANS_DP_CTL(pipe); |
3833 | reg = TRANS_DP_CTL(pipe); |
3601 | temp = I915_READ(reg); |
3834 | temp = I915_READ(reg); |
3602 | temp &= ~(TRANS_DP_PORT_SEL_MASK | |
3835 | temp &= ~(TRANS_DP_PORT_SEL_MASK | |
3603 | TRANS_DP_SYNC_MASK | |
3836 | TRANS_DP_SYNC_MASK | |
3604 | TRANS_DP_BPC_MASK); |
3837 | TRANS_DP_BPC_MASK); |
3605 | temp |= (TRANS_DP_OUTPUT_ENABLE | |
3838 | temp |= (TRANS_DP_OUTPUT_ENABLE | |
3606 | TRANS_DP_ENH_FRAMING); |
3839 | TRANS_DP_ENH_FRAMING); |
3607 | temp |= bpc << 9; /* same format but at 11:9 */ |
3840 | temp |= bpc << 9; /* same format but at 11:9 */ |
3608 | 3841 | ||
3609 | if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC) |
3842 | if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC) |
3610 | temp |= TRANS_DP_HSYNC_ACTIVE_HIGH; |
3843 | temp |= TRANS_DP_HSYNC_ACTIVE_HIGH; |
3611 | if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC) |
3844 | if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC) |
3612 | temp |= TRANS_DP_VSYNC_ACTIVE_HIGH; |
3845 | temp |= TRANS_DP_VSYNC_ACTIVE_HIGH; |
3613 | 3846 | ||
3614 | switch (intel_trans_dp_port_sel(crtc)) { |
3847 | switch (intel_trans_dp_port_sel(crtc)) { |
3615 | case PCH_DP_B: |
3848 | case PCH_DP_B: |
3616 | temp |= TRANS_DP_PORT_SEL_B; |
3849 | temp |= TRANS_DP_PORT_SEL_B; |
3617 | break; |
3850 | break; |
3618 | case PCH_DP_C: |
3851 | case PCH_DP_C: |
3619 | temp |= TRANS_DP_PORT_SEL_C; |
3852 | temp |= TRANS_DP_PORT_SEL_C; |
3620 | break; |
3853 | break; |
3621 | case PCH_DP_D: |
3854 | case PCH_DP_D: |
3622 | temp |= TRANS_DP_PORT_SEL_D; |
3855 | temp |= TRANS_DP_PORT_SEL_D; |
3623 | break; |
3856 | break; |
3624 | default: |
3857 | default: |
3625 | BUG(); |
3858 | BUG(); |
3626 | } |
3859 | } |
3627 | 3860 | ||
3628 | I915_WRITE(reg, temp); |
3861 | I915_WRITE(reg, temp); |
3629 | } |
3862 | } |
3630 | 3863 | ||
3631 | ironlake_enable_pch_transcoder(dev_priv, pipe); |
3864 | ironlake_enable_pch_transcoder(dev_priv, pipe); |
3632 | } |
3865 | } |
3633 | 3866 | ||
3634 | static void lpt_pch_enable(struct drm_crtc *crtc) |
3867 | static void lpt_pch_enable(struct drm_crtc *crtc) |
3635 | { |
3868 | { |
3636 | struct drm_device *dev = crtc->dev; |
3869 | struct drm_device *dev = crtc->dev; |
3637 | struct drm_i915_private *dev_priv = dev->dev_private; |
3870 | struct drm_i915_private *dev_priv = dev->dev_private; |
3638 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3871 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3639 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
3872 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
3640 | 3873 | ||
3641 | assert_pch_transcoder_disabled(dev_priv, TRANSCODER_A); |
3874 | assert_pch_transcoder_disabled(dev_priv, TRANSCODER_A); |
3642 | 3875 | ||
3643 | lpt_program_iclkip(crtc); |
3876 | lpt_program_iclkip(crtc); |
3644 | 3877 | ||
3645 | /* Set transcoder timing. */ |
3878 | /* Set transcoder timing. */ |
3646 | ironlake_pch_transcoder_set_timings(intel_crtc, PIPE_A); |
3879 | ironlake_pch_transcoder_set_timings(intel_crtc, PIPE_A); |
3647 | 3880 | ||
3648 | lpt_enable_pch_transcoder(dev_priv, cpu_transcoder); |
3881 | lpt_enable_pch_transcoder(dev_priv, cpu_transcoder); |
3649 | } |
3882 | } |
3650 | 3883 | ||
3651 | void intel_put_shared_dpll(struct intel_crtc *crtc) |
3884 | void intel_put_shared_dpll(struct intel_crtc *crtc) |
3652 | { |
3885 | { |
3653 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
3886 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
3654 | 3887 | ||
3655 | if (pll == NULL) |
3888 | if (pll == NULL) |
3656 | return; |
3889 | return; |
3657 | 3890 | ||
3658 | if (pll->refcount == 0) { |
3891 | if (!(pll->config.crtc_mask & (1 << crtc->pipe))) { |
3659 | WARN(1, "bad %s refcount\n", pll->name); |
3892 | WARN(1, "bad %s crtc mask\n", pll->name); |
3660 | return; |
3893 | return; |
3661 | } |
3894 | } |
- | 3895 | ||
3662 | 3896 | pll->config.crtc_mask &= ~(1 << crtc->pipe); |
|
3663 | if (--pll->refcount == 0) { |
3897 | if (pll->config.crtc_mask == 0) { |
3664 | WARN_ON(pll->on); |
3898 | WARN_ON(pll->on); |
3665 | WARN_ON(pll->active); |
3899 | WARN_ON(pll->active); |
3666 | } |
3900 | } |
3667 | 3901 | ||
3668 | crtc->config.shared_dpll = DPLL_ID_PRIVATE; |
3902 | crtc->config.shared_dpll = DPLL_ID_PRIVATE; |
3669 | } |
3903 | } |
3670 | 3904 | ||
3671 | struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc) |
3905 | struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc) |
3672 | { |
3906 | { |
3673 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
3907 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
3674 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
3908 | struct intel_shared_dpll *pll; |
3675 | enum intel_dpll_id i; |
3909 | enum intel_dpll_id i; |
3676 | - | ||
3677 | if (pll) { |
- | |
3678 | DRM_DEBUG_KMS("CRTC:%d dropping existing %s\n", |
- | |
3679 | crtc->base.base.id, pll->name); |
- | |
3680 | intel_put_shared_dpll(crtc); |
- | |
3681 | } |
- | |
3682 | 3910 | ||
3683 | if (HAS_PCH_IBX(dev_priv->dev)) { |
3911 | if (HAS_PCH_IBX(dev_priv->dev)) { |
3684 | /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */ |
3912 | /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */ |
3685 | i = (enum intel_dpll_id) crtc->pipe; |
3913 | i = (enum intel_dpll_id) crtc->pipe; |
3686 | pll = &dev_priv->shared_dplls[i]; |
3914 | pll = &dev_priv->shared_dplls[i]; |
3687 | 3915 | ||
3688 | DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n", |
3916 | DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n", |
3689 | crtc->base.base.id, pll->name); |
3917 | crtc->base.base.id, pll->name); |
3690 | 3918 | ||
3691 | WARN_ON(pll->refcount); |
3919 | WARN_ON(pll->new_config->crtc_mask); |
3692 | 3920 | ||
3693 | goto found; |
3921 | goto found; |
3694 | } |
3922 | } |
3695 | 3923 | ||
3696 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
3924 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
3697 | pll = &dev_priv->shared_dplls[i]; |
3925 | pll = &dev_priv->shared_dplls[i]; |
3698 | 3926 | ||
3699 | /* Only want to check enabled timings first */ |
3927 | /* Only want to check enabled timings first */ |
3700 | if (pll->refcount == 0) |
3928 | if (pll->new_config->crtc_mask == 0) |
3701 | continue; |
3929 | continue; |
3702 | 3930 | ||
- | 3931 | if (memcmp(&crtc->new_config->dpll_hw_state, |
|
3703 | if (memcmp(&crtc->config.dpll_hw_state, &pll->hw_state, |
3932 | &pll->new_config->hw_state, |
3704 | sizeof(pll->hw_state)) == 0) { |
3933 | sizeof(pll->new_config->hw_state)) == 0) { |
3705 | DRM_DEBUG_KMS("CRTC:%d sharing existing %s (refcount %d, ative %d)\n", |
3934 | DRM_DEBUG_KMS("CRTC:%d sharing existing %s (crtc mask 0x%08x, ative %d)\n", |
3706 | crtc->base.base.id, |
3935 | crtc->base.base.id, pll->name, |
3707 | pll->name, pll->refcount, pll->active); |
- | |
- | 3936 | pll->new_config->crtc_mask, |
|
3708 | 3937 | pll->active); |
|
3709 | goto found; |
3938 | goto found; |
3710 | } |
3939 | } |
3711 | } |
3940 | } |
3712 | 3941 | ||
3713 | /* Ok no matching timings, maybe there's a free one? */ |
3942 | /* Ok no matching timings, maybe there's a free one? */ |
3714 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
3943 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
3715 | pll = &dev_priv->shared_dplls[i]; |
3944 | pll = &dev_priv->shared_dplls[i]; |
3716 | if (pll->refcount == 0) { |
3945 | if (pll->new_config->crtc_mask == 0) { |
3717 | DRM_DEBUG_KMS("CRTC:%d allocated %s\n", |
3946 | DRM_DEBUG_KMS("CRTC:%d allocated %s\n", |
3718 | crtc->base.base.id, pll->name); |
3947 | crtc->base.base.id, pll->name); |
3719 | goto found; |
3948 | goto found; |
3720 | } |
3949 | } |
3721 | } |
3950 | } |
3722 | 3951 | ||
3723 | return NULL; |
3952 | return NULL; |
3724 | 3953 | ||
3725 | found: |
3954 | found: |
3726 | if (pll->refcount == 0) |
3955 | if (pll->new_config->crtc_mask == 0) |
3727 | pll->hw_state = crtc->config.dpll_hw_state; |
3956 | pll->new_config->hw_state = crtc->new_config->dpll_hw_state; |
3728 | 3957 | ||
3729 | crtc->config.shared_dpll = i; |
3958 | crtc->new_config->shared_dpll = i; |
3730 | DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->name, |
3959 | DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->name, |
3731 | pipe_name(crtc->pipe)); |
3960 | pipe_name(crtc->pipe)); |
3732 | 3961 | ||
3733 | pll->refcount++; |
3962 | pll->new_config->crtc_mask |= 1 << crtc->pipe; |
3734 | 3963 | ||
3735 | return pll; |
3964 | return pll; |
3736 | } |
3965 | } |
- | 3966 | ||
- | 3967 | /** |
|
- | 3968 | * intel_shared_dpll_start_config - start a new PLL staged config |
|
- | 3969 | * @dev_priv: DRM device |
|
- | 3970 | * @clear_pipes: mask of pipes that will have their PLLs freed |
|
- | 3971 | * |
|
- | 3972 | * Starts a new PLL staged config, copying the current config but |
|
- | 3973 | * releasing the references of pipes specified in clear_pipes. |
|
- | 3974 | */ |
|
- | 3975 | static int intel_shared_dpll_start_config(struct drm_i915_private *dev_priv, |
|
- | 3976 | unsigned clear_pipes) |
|
- | 3977 | { |
|
- | 3978 | struct intel_shared_dpll *pll; |
|
- | 3979 | enum intel_dpll_id i; |
|
- | 3980 | ||
- | 3981 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
|
- | 3982 | pll = &dev_priv->shared_dplls[i]; |
|
- | 3983 | ||
- | 3984 | pll->new_config = kmemdup(&pll->config, sizeof pll->config, |
|
- | 3985 | GFP_KERNEL); |
|
- | 3986 | if (!pll->new_config) |
|
- | 3987 | goto cleanup; |
|
- | 3988 | ||
- | 3989 | pll->new_config->crtc_mask &= ~clear_pipes; |
|
- | 3990 | } |
|
- | 3991 | ||
- | 3992 | return 0; |
|
- | 3993 | ||
- | 3994 | cleanup: |
|
- | 3995 | while (--i >= 0) { |
|
- | 3996 | pll = &dev_priv->shared_dplls[i]; |
|
- | 3997 | kfree(pll->new_config); |
|
- | 3998 | pll->new_config = NULL; |
|
- | 3999 | } |
|
- | 4000 | ||
- | 4001 | return -ENOMEM; |
|
- | 4002 | } |
|
- | 4003 | ||
- | 4004 | static void intel_shared_dpll_commit(struct drm_i915_private *dev_priv) |
|
- | 4005 | { |
|
- | 4006 | struct intel_shared_dpll *pll; |
|
- | 4007 | enum intel_dpll_id i; |
|
- | 4008 | ||
- | 4009 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
|
- | 4010 | pll = &dev_priv->shared_dplls[i]; |
|
- | 4011 | ||
- | 4012 | WARN_ON(pll->new_config == &pll->config); |
|
- | 4013 | ||
- | 4014 | pll->config = *pll->new_config; |
|
- | 4015 | kfree(pll->new_config); |
|
- | 4016 | pll->new_config = NULL; |
|
- | 4017 | } |
|
- | 4018 | } |
|
- | 4019 | ||
- | 4020 | static void intel_shared_dpll_abort_config(struct drm_i915_private *dev_priv) |
|
- | 4021 | { |
|
- | 4022 | struct intel_shared_dpll *pll; |
|
- | 4023 | enum intel_dpll_id i; |
|
- | 4024 | ||
- | 4025 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
|
- | 4026 | pll = &dev_priv->shared_dplls[i]; |
|
- | 4027 | ||
- | 4028 | WARN_ON(pll->new_config == &pll->config); |
|
- | 4029 | ||
- | 4030 | kfree(pll->new_config); |
|
- | 4031 | pll->new_config = NULL; |
|
- | 4032 | } |
|
- | 4033 | } |
|
3737 | 4034 | ||
3738 | static void cpt_verify_modeset(struct drm_device *dev, int pipe) |
4035 | static void cpt_verify_modeset(struct drm_device *dev, int pipe) |
3739 | { |
4036 | { |
3740 | struct drm_i915_private *dev_priv = dev->dev_private; |
4037 | struct drm_i915_private *dev_priv = dev->dev_private; |
3741 | int dslreg = PIPEDSL(pipe); |
4038 | int dslreg = PIPEDSL(pipe); |
3742 | u32 temp; |
4039 | u32 temp; |
3743 | 4040 | ||
3744 | temp = I915_READ(dslreg); |
4041 | temp = I915_READ(dslreg); |
3745 | udelay(500); |
4042 | udelay(500); |
3746 | if (wait_for(I915_READ(dslreg) != temp, 5)) { |
4043 | if (wait_for(I915_READ(dslreg) != temp, 5)) { |
3747 | if (wait_for(I915_READ(dslreg) != temp, 5)) |
4044 | if (wait_for(I915_READ(dslreg) != temp, 5)) |
3748 | DRM_ERROR("mode set failed: pipe %c stuck\n", pipe_name(pipe)); |
4045 | DRM_ERROR("mode set failed: pipe %c stuck\n", pipe_name(pipe)); |
3749 | } |
4046 | } |
3750 | } |
4047 | } |
- | 4048 | ||
- | 4049 | static void skylake_pfit_enable(struct intel_crtc *crtc) |
|
- | 4050 | { |
|
- | 4051 | struct drm_device *dev = crtc->base.dev; |
|
- | 4052 | struct drm_i915_private *dev_priv = dev->dev_private; |
|
- | 4053 | int pipe = crtc->pipe; |
|
- | 4054 | ||
- | 4055 | if (crtc->config.pch_pfit.enabled) { |
|
- | 4056 | I915_WRITE(PS_CTL(pipe), PS_ENABLE); |
|
- | 4057 | I915_WRITE(PS_WIN_POS(pipe), crtc->config.pch_pfit.pos); |
|
- | 4058 | I915_WRITE(PS_WIN_SZ(pipe), crtc->config.pch_pfit.size); |
|
- | 4059 | } |
|
- | 4060 | } |
|
3751 | 4061 | ||
3752 | static void ironlake_pfit_enable(struct intel_crtc *crtc) |
4062 | static void ironlake_pfit_enable(struct intel_crtc *crtc) |
3753 | { |
4063 | { |
3754 | struct drm_device *dev = crtc->base.dev; |
4064 | struct drm_device *dev = crtc->base.dev; |
3755 | struct drm_i915_private *dev_priv = dev->dev_private; |
4065 | struct drm_i915_private *dev_priv = dev->dev_private; |
3756 | int pipe = crtc->pipe; |
4066 | int pipe = crtc->pipe; |
3757 | 4067 | ||
3758 | if (crtc->config.pch_pfit.enabled) { |
4068 | if (crtc->config.pch_pfit.enabled) { |
3759 | /* Force use of hard-coded filter coefficients |
4069 | /* Force use of hard-coded filter coefficients |
3760 | * as some pre-programmed values are broken, |
4070 | * as some pre-programmed values are broken, |
3761 | * e.g. x201. |
4071 | * e.g. x201. |
3762 | */ |
4072 | */ |
3763 | if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) |
4073 | if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) |
3764 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 | |
4074 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 | |
3765 | PF_PIPE_SEL_IVB(pipe)); |
4075 | PF_PIPE_SEL_IVB(pipe)); |
3766 | else |
4076 | else |
3767 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3); |
4077 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3); |
3768 | I915_WRITE(PF_WIN_POS(pipe), crtc->config.pch_pfit.pos); |
4078 | I915_WRITE(PF_WIN_POS(pipe), crtc->config.pch_pfit.pos); |
3769 | I915_WRITE(PF_WIN_SZ(pipe), crtc->config.pch_pfit.size); |
4079 | I915_WRITE(PF_WIN_SZ(pipe), crtc->config.pch_pfit.size); |
3770 | } |
4080 | } |
3771 | } |
4081 | } |
3772 | 4082 | ||
3773 | static void intel_enable_planes(struct drm_crtc *crtc) |
4083 | static void intel_enable_planes(struct drm_crtc *crtc) |
3774 | { |
4084 | { |
3775 | struct drm_device *dev = crtc->dev; |
4085 | struct drm_device *dev = crtc->dev; |
3776 | enum pipe pipe = to_intel_crtc(crtc)->pipe; |
4086 | enum pipe pipe = to_intel_crtc(crtc)->pipe; |
3777 | struct drm_plane *plane; |
4087 | struct drm_plane *plane; |
3778 | struct intel_plane *intel_plane; |
4088 | struct intel_plane *intel_plane; |
3779 | 4089 | ||
3780 | drm_for_each_legacy_plane(plane, &dev->mode_config.plane_list) { |
4090 | drm_for_each_legacy_plane(plane, &dev->mode_config.plane_list) { |
3781 | intel_plane = to_intel_plane(plane); |
4091 | intel_plane = to_intel_plane(plane); |
3782 | if (intel_plane->pipe == pipe) |
4092 | if (intel_plane->pipe == pipe) |
3783 | intel_plane_restore(&intel_plane->base); |
4093 | intel_plane_restore(&intel_plane->base); |
3784 | } |
4094 | } |
3785 | } |
4095 | } |
3786 | 4096 | ||
3787 | static void intel_disable_planes(struct drm_crtc *crtc) |
4097 | static void intel_disable_planes(struct drm_crtc *crtc) |
3788 | { |
4098 | { |
3789 | struct drm_device *dev = crtc->dev; |
4099 | struct drm_device *dev = crtc->dev; |
3790 | enum pipe pipe = to_intel_crtc(crtc)->pipe; |
4100 | enum pipe pipe = to_intel_crtc(crtc)->pipe; |
3791 | struct drm_plane *plane; |
4101 | struct drm_plane *plane; |
3792 | struct intel_plane *intel_plane; |
4102 | struct intel_plane *intel_plane; |
3793 | 4103 | ||
3794 | drm_for_each_legacy_plane(plane, &dev->mode_config.plane_list) { |
4104 | drm_for_each_legacy_plane(plane, &dev->mode_config.plane_list) { |
3795 | intel_plane = to_intel_plane(plane); |
4105 | intel_plane = to_intel_plane(plane); |
3796 | if (intel_plane->pipe == pipe) |
4106 | if (intel_plane->pipe == pipe) |
3797 | intel_plane_disable(&intel_plane->base); |
4107 | intel_plane_disable(&intel_plane->base); |
3798 | } |
4108 | } |
3799 | } |
4109 | } |
3800 | 4110 | ||
3801 | void hsw_enable_ips(struct intel_crtc *crtc) |
4111 | void hsw_enable_ips(struct intel_crtc *crtc) |
3802 | { |
4112 | { |
3803 | struct drm_device *dev = crtc->base.dev; |
4113 | struct drm_device *dev = crtc->base.dev; |
3804 | struct drm_i915_private *dev_priv = dev->dev_private; |
4114 | struct drm_i915_private *dev_priv = dev->dev_private; |
3805 | 4115 | ||
3806 | if (!crtc->config.ips_enabled) |
4116 | if (!crtc->config.ips_enabled) |
3807 | return; |
4117 | return; |
3808 | 4118 | ||
3809 | /* We can only enable IPS after we enable a plane and wait for a vblank */ |
4119 | /* We can only enable IPS after we enable a plane and wait for a vblank */ |
3810 | intel_wait_for_vblank(dev, crtc->pipe); |
4120 | intel_wait_for_vblank(dev, crtc->pipe); |
3811 | 4121 | ||
3812 | assert_plane_enabled(dev_priv, crtc->plane); |
4122 | assert_plane_enabled(dev_priv, crtc->plane); |
3813 | if (IS_BROADWELL(dev)) { |
4123 | if (IS_BROADWELL(dev)) { |
3814 | mutex_lock(&dev_priv->rps.hw_lock); |
4124 | mutex_lock(&dev_priv->rps.hw_lock); |
3815 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0xc0000000)); |
4125 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0xc0000000)); |
3816 | mutex_unlock(&dev_priv->rps.hw_lock); |
4126 | mutex_unlock(&dev_priv->rps.hw_lock); |
3817 | /* Quoting Art Runyan: "its not safe to expect any particular |
4127 | /* Quoting Art Runyan: "its not safe to expect any particular |
3818 | * value in IPS_CTL bit 31 after enabling IPS through the |
4128 | * value in IPS_CTL bit 31 after enabling IPS through the |
3819 | * mailbox." Moreover, the mailbox may return a bogus state, |
4129 | * mailbox." Moreover, the mailbox may return a bogus state, |
3820 | * so we need to just enable it and continue on. |
4130 | * so we need to just enable it and continue on. |
3821 | */ |
4131 | */ |
3822 | } else { |
4132 | } else { |
3823 | I915_WRITE(IPS_CTL, IPS_ENABLE); |
4133 | I915_WRITE(IPS_CTL, IPS_ENABLE); |
3824 | /* The bit only becomes 1 in the next vblank, so this wait here |
4134 | /* The bit only becomes 1 in the next vblank, so this wait here |
3825 | * is essentially intel_wait_for_vblank. If we don't have this |
4135 | * is essentially intel_wait_for_vblank. If we don't have this |
3826 | * and don't wait for vblanks until the end of crtc_enable, then |
4136 | * and don't wait for vblanks until the end of crtc_enable, then |
3827 | * the HW state readout code will complain that the expected |
4137 | * the HW state readout code will complain that the expected |
3828 | * IPS_CTL value is not the one we read. */ |
4138 | * IPS_CTL value is not the one we read. */ |
3829 | if (wait_for(I915_READ_NOTRACE(IPS_CTL) & IPS_ENABLE, 50)) |
4139 | if (wait_for(I915_READ_NOTRACE(IPS_CTL) & IPS_ENABLE, 50)) |
3830 | DRM_ERROR("Timed out waiting for IPS enable\n"); |
4140 | DRM_ERROR("Timed out waiting for IPS enable\n"); |
3831 | } |
4141 | } |
3832 | } |
4142 | } |
3833 | 4143 | ||
3834 | void hsw_disable_ips(struct intel_crtc *crtc) |
4144 | void hsw_disable_ips(struct intel_crtc *crtc) |
3835 | { |
4145 | { |
3836 | struct drm_device *dev = crtc->base.dev; |
4146 | struct drm_device *dev = crtc->base.dev; |
3837 | struct drm_i915_private *dev_priv = dev->dev_private; |
4147 | struct drm_i915_private *dev_priv = dev->dev_private; |
3838 | 4148 | ||
3839 | if (!crtc->config.ips_enabled) |
4149 | if (!crtc->config.ips_enabled) |
3840 | return; |
4150 | return; |
3841 | 4151 | ||
3842 | assert_plane_enabled(dev_priv, crtc->plane); |
4152 | assert_plane_enabled(dev_priv, crtc->plane); |
3843 | if (IS_BROADWELL(dev)) { |
4153 | if (IS_BROADWELL(dev)) { |
3844 | mutex_lock(&dev_priv->rps.hw_lock); |
4154 | mutex_lock(&dev_priv->rps.hw_lock); |
3845 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0)); |
4155 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0)); |
3846 | mutex_unlock(&dev_priv->rps.hw_lock); |
4156 | mutex_unlock(&dev_priv->rps.hw_lock); |
3847 | /* wait for pcode to finish disabling IPS, which may take up to 42ms */ |
4157 | /* wait for pcode to finish disabling IPS, which may take up to 42ms */ |
3848 | if (wait_for((I915_READ(IPS_CTL) & IPS_ENABLE) == 0, 42)) |
4158 | if (wait_for((I915_READ(IPS_CTL) & IPS_ENABLE) == 0, 42)) |
3849 | DRM_ERROR("Timed out waiting for IPS disable\n"); |
4159 | DRM_ERROR("Timed out waiting for IPS disable\n"); |
3850 | } else { |
4160 | } else { |
3851 | I915_WRITE(IPS_CTL, 0); |
4161 | I915_WRITE(IPS_CTL, 0); |
3852 | POSTING_READ(IPS_CTL); |
4162 | POSTING_READ(IPS_CTL); |
3853 | } |
4163 | } |
3854 | 4164 | ||
3855 | /* We need to wait for a vblank before we can disable the plane. */ |
4165 | /* We need to wait for a vblank before we can disable the plane. */ |
3856 | intel_wait_for_vblank(dev, crtc->pipe); |
4166 | intel_wait_for_vblank(dev, crtc->pipe); |
3857 | } |
4167 | } |
3858 | 4168 | ||
3859 | /** Loads the palette/gamma unit for the CRTC with the prepared values */ |
4169 | /** Loads the palette/gamma unit for the CRTC with the prepared values */ |
3860 | static void intel_crtc_load_lut(struct drm_crtc *crtc) |
4170 | static void intel_crtc_load_lut(struct drm_crtc *crtc) |
3861 | { |
4171 | { |
3862 | struct drm_device *dev = crtc->dev; |
4172 | struct drm_device *dev = crtc->dev; |
3863 | struct drm_i915_private *dev_priv = dev->dev_private; |
4173 | struct drm_i915_private *dev_priv = dev->dev_private; |
3864 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4174 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3865 | enum pipe pipe = intel_crtc->pipe; |
4175 | enum pipe pipe = intel_crtc->pipe; |
3866 | int palreg = PALETTE(pipe); |
4176 | int palreg = PALETTE(pipe); |
3867 | int i; |
4177 | int i; |
3868 | bool reenable_ips = false; |
4178 | bool reenable_ips = false; |
3869 | 4179 | ||
3870 | /* The clocks have to be on to load the palette. */ |
4180 | /* The clocks have to be on to load the palette. */ |
3871 | if (!crtc->enabled || !intel_crtc->active) |
4181 | if (!crtc->enabled || !intel_crtc->active) |
3872 | return; |
4182 | return; |
3873 | 4183 | ||
3874 | if (!HAS_PCH_SPLIT(dev_priv->dev)) { |
4184 | if (!HAS_PCH_SPLIT(dev_priv->dev)) { |
3875 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI)) |
4185 | if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI)) |
3876 | assert_dsi_pll_enabled(dev_priv); |
4186 | assert_dsi_pll_enabled(dev_priv); |
3877 | else |
4187 | else |
3878 | assert_pll_enabled(dev_priv, pipe); |
4188 | assert_pll_enabled(dev_priv, pipe); |
3879 | } |
4189 | } |
3880 | 4190 | ||
3881 | /* use legacy palette for Ironlake */ |
4191 | /* use legacy palette for Ironlake */ |
3882 | if (!HAS_GMCH_DISPLAY(dev)) |
4192 | if (!HAS_GMCH_DISPLAY(dev)) |
3883 | palreg = LGC_PALETTE(pipe); |
4193 | palreg = LGC_PALETTE(pipe); |
3884 | 4194 | ||
3885 | /* Workaround : Do not read or write the pipe palette/gamma data while |
4195 | /* Workaround : Do not read or write the pipe palette/gamma data while |
3886 | * GAMMA_MODE is configured for split gamma and IPS_CTL has IPS enabled. |
4196 | * GAMMA_MODE is configured for split gamma and IPS_CTL has IPS enabled. |
3887 | */ |
4197 | */ |
3888 | if (IS_HASWELL(dev) && intel_crtc->config.ips_enabled && |
4198 | if (IS_HASWELL(dev) && intel_crtc->config.ips_enabled && |
3889 | ((I915_READ(GAMMA_MODE(pipe)) & GAMMA_MODE_MODE_MASK) == |
4199 | ((I915_READ(GAMMA_MODE(pipe)) & GAMMA_MODE_MODE_MASK) == |
3890 | GAMMA_MODE_MODE_SPLIT)) { |
4200 | GAMMA_MODE_MODE_SPLIT)) { |
3891 | hsw_disable_ips(intel_crtc); |
4201 | hsw_disable_ips(intel_crtc); |
3892 | reenable_ips = true; |
4202 | reenable_ips = true; |
3893 | } |
4203 | } |
3894 | 4204 | ||
3895 | for (i = 0; i < 256; i++) { |
4205 | for (i = 0; i < 256; i++) { |
3896 | I915_WRITE(palreg + 4 * i, |
4206 | I915_WRITE(palreg + 4 * i, |
3897 | (intel_crtc->lut_r[i] << 16) | |
4207 | (intel_crtc->lut_r[i] << 16) | |
3898 | (intel_crtc->lut_g[i] << 8) | |
4208 | (intel_crtc->lut_g[i] << 8) | |
3899 | intel_crtc->lut_b[i]); |
4209 | intel_crtc->lut_b[i]); |
3900 | } |
4210 | } |
3901 | 4211 | ||
3902 | if (reenable_ips) |
4212 | if (reenable_ips) |
3903 | hsw_enable_ips(intel_crtc); |
4213 | hsw_enable_ips(intel_crtc); |
3904 | } |
4214 | } |
3905 | 4215 | ||
3906 | static void intel_crtc_dpms_overlay(struct intel_crtc *intel_crtc, bool enable) |
4216 | static void intel_crtc_dpms_overlay(struct intel_crtc *intel_crtc, bool enable) |
3907 | { |
4217 | { |
3908 | if (!enable && intel_crtc->overlay) { |
4218 | if (!enable && intel_crtc->overlay) { |
3909 | struct drm_device *dev = intel_crtc->base.dev; |
4219 | struct drm_device *dev = intel_crtc->base.dev; |
3910 | struct drm_i915_private *dev_priv = dev->dev_private; |
4220 | struct drm_i915_private *dev_priv = dev->dev_private; |
3911 | 4221 | ||
3912 | mutex_lock(&dev->struct_mutex); |
4222 | mutex_lock(&dev->struct_mutex); |
3913 | dev_priv->mm.interruptible = false; |
4223 | dev_priv->mm.interruptible = false; |
- | 4224 | // (void) intel_overlay_switch_off(intel_crtc->overlay); |
|
3914 | dev_priv->mm.interruptible = true; |
4225 | dev_priv->mm.interruptible = true; |
3915 | mutex_unlock(&dev->struct_mutex); |
4226 | mutex_unlock(&dev->struct_mutex); |
3916 | } |
4227 | } |
3917 | 4228 | ||
3918 | /* Let userspace switch the overlay on again. In most cases userspace |
4229 | /* Let userspace switch the overlay on again. In most cases userspace |
3919 | * has to recompute where to put it anyway. |
4230 | * has to recompute where to put it anyway. |
3920 | */ |
4231 | */ |
3921 | } |
4232 | } |
3922 | 4233 | ||
3923 | static void intel_crtc_enable_planes(struct drm_crtc *crtc) |
4234 | static void intel_crtc_enable_planes(struct drm_crtc *crtc) |
3924 | { |
4235 | { |
3925 | struct drm_device *dev = crtc->dev; |
4236 | struct drm_device *dev = crtc->dev; |
3926 | struct drm_i915_private *dev_priv = dev->dev_private; |
- | |
3927 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4237 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3928 | int pipe = intel_crtc->pipe; |
4238 | int pipe = intel_crtc->pipe; |
3929 | int plane = intel_crtc->plane; |
- | |
3930 | - | ||
3931 | drm_vblank_on(dev, pipe); |
- | |
3932 | 4239 | ||
3933 | intel_enable_primary_hw_plane(dev_priv, plane, pipe); |
4240 | intel_enable_primary_hw_plane(crtc->primary, crtc); |
3934 | intel_enable_planes(crtc); |
4241 | intel_enable_planes(crtc); |
3935 | intel_crtc_update_cursor(crtc, true); |
4242 | intel_crtc_update_cursor(crtc, true); |
3936 | intel_crtc_dpms_overlay(intel_crtc, true); |
4243 | intel_crtc_dpms_overlay(intel_crtc, true); |
3937 | 4244 | ||
3938 | hsw_enable_ips(intel_crtc); |
4245 | hsw_enable_ips(intel_crtc); |
3939 | 4246 | ||
3940 | mutex_lock(&dev->struct_mutex); |
4247 | mutex_lock(&dev->struct_mutex); |
3941 | intel_update_fbc(dev); |
4248 | intel_update_fbc(dev); |
3942 | mutex_unlock(&dev->struct_mutex); |
4249 | mutex_unlock(&dev->struct_mutex); |
- | 4250 | ||
- | 4251 | /* |
|
- | 4252 | * FIXME: Once we grow proper nuclear flip support out of this we need |
|
- | 4253 | * to compute the mask of flip planes precisely. For the time being |
|
- | 4254 | * consider this a flip from a NULL plane. |
|
- | 4255 | */ |
|
- | 4256 | intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_ALL_MASK(pipe)); |
|
3943 | } |
4257 | } |
3944 | 4258 | ||
3945 | static void intel_crtc_disable_planes(struct drm_crtc *crtc) |
4259 | static void intel_crtc_disable_planes(struct drm_crtc *crtc) |
3946 | { |
4260 | { |
3947 | struct drm_device *dev = crtc->dev; |
4261 | struct drm_device *dev = crtc->dev; |
3948 | struct drm_i915_private *dev_priv = dev->dev_private; |
4262 | struct drm_i915_private *dev_priv = dev->dev_private; |
3949 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4263 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3950 | int pipe = intel_crtc->pipe; |
4264 | int pipe = intel_crtc->pipe; |
3951 | int plane = intel_crtc->plane; |
4265 | int plane = intel_crtc->plane; |
3952 | 4266 | ||
3953 | 4267 | ||
3954 | if (dev_priv->fbc.plane == plane) |
4268 | if (dev_priv->fbc.plane == plane) |
3955 | intel_disable_fbc(dev); |
4269 | intel_disable_fbc(dev); |
3956 | 4270 | ||
3957 | hsw_disable_ips(intel_crtc); |
4271 | hsw_disable_ips(intel_crtc); |
3958 | 4272 | ||
3959 | intel_crtc_dpms_overlay(intel_crtc, false); |
4273 | intel_crtc_dpms_overlay(intel_crtc, false); |
3960 | intel_crtc_update_cursor(crtc, false); |
4274 | intel_crtc_update_cursor(crtc, false); |
3961 | intel_disable_planes(crtc); |
4275 | intel_disable_planes(crtc); |
3962 | intel_disable_primary_hw_plane(dev_priv, plane, pipe); |
4276 | intel_disable_primary_hw_plane(crtc->primary, crtc); |
- | 4277 | ||
- | 4278 | /* |
|
- | 4279 | * FIXME: Once we grow proper nuclear flip support out of this we need |
|
- | 4280 | * to compute the mask of flip planes precisely. For the time being |
|
3963 | drm_vblank_off(dev, pipe); |
4281 | * consider this a flip to a NULL plane. |
- | 4282 | */ |
|
- | 4283 | // intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_ALL_MASK(pipe)); |
|
3964 | } |
4284 | } |
3965 | 4285 | ||
3966 | static void ironlake_crtc_enable(struct drm_crtc *crtc) |
4286 | static void ironlake_crtc_enable(struct drm_crtc *crtc) |
3967 | { |
4287 | { |
3968 | struct drm_device *dev = crtc->dev; |
4288 | struct drm_device *dev = crtc->dev; |
3969 | struct drm_i915_private *dev_priv = dev->dev_private; |
4289 | struct drm_i915_private *dev_priv = dev->dev_private; |
3970 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4290 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3971 | struct intel_encoder *encoder; |
4291 | struct intel_encoder *encoder; |
3972 | int pipe = intel_crtc->pipe; |
4292 | int pipe = intel_crtc->pipe; |
3973 | enum plane plane = intel_crtc->plane; |
- | |
3974 | 4293 | ||
3975 | WARN_ON(!crtc->enabled); |
4294 | WARN_ON(!crtc->enabled); |
3976 | 4295 | ||
3977 | if (intel_crtc->active) |
4296 | if (intel_crtc->active) |
3978 | return; |
4297 | return; |
3979 | 4298 | ||
3980 | if (intel_crtc->config.has_pch_encoder) |
4299 | if (intel_crtc->config.has_pch_encoder) |
3981 | intel_prepare_shared_dpll(intel_crtc); |
4300 | intel_prepare_shared_dpll(intel_crtc); |
3982 | 4301 | ||
3983 | if (intel_crtc->config.has_dp_encoder) |
4302 | if (intel_crtc->config.has_dp_encoder) |
3984 | intel_dp_set_m_n(intel_crtc); |
4303 | intel_dp_set_m_n(intel_crtc); |
3985 | 4304 | ||
3986 | intel_set_pipe_timings(intel_crtc); |
4305 | intel_set_pipe_timings(intel_crtc); |
3987 | 4306 | ||
3988 | if (intel_crtc->config.has_pch_encoder) { |
4307 | if (intel_crtc->config.has_pch_encoder) { |
3989 | intel_cpu_transcoder_set_m_n(intel_crtc, |
4308 | intel_cpu_transcoder_set_m_n(intel_crtc, |
3990 | &intel_crtc->config.fdi_m_n); |
4309 | &intel_crtc->config.fdi_m_n, NULL); |
3991 | } |
4310 | } |
3992 | 4311 | ||
3993 | ironlake_set_pipeconf(crtc); |
4312 | ironlake_set_pipeconf(crtc); |
3994 | - | ||
3995 | /* Set up the display plane register */ |
- | |
3996 | I915_WRITE(DSPCNTR(plane), DISPPLANE_GAMMA_ENABLE); |
- | |
3997 | POSTING_READ(DSPCNTR(plane)); |
- | |
3998 | - | ||
3999 | dev_priv->display.update_primary_plane(crtc, crtc->primary->fb, |
- | |
4000 | crtc->x, crtc->y); |
- | |
4001 | 4313 | ||
4002 | intel_crtc->active = true; |
4314 | intel_crtc->active = true; |
4003 | 4315 | ||
4004 | intel_set_cpu_fifo_underrun_reporting(dev, pipe, true); |
4316 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4005 | intel_set_pch_fifo_underrun_reporting(dev, pipe, true); |
4317 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, true); |
4006 | 4318 | ||
4007 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4319 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4008 | if (encoder->pre_enable) |
4320 | if (encoder->pre_enable) |
4009 | encoder->pre_enable(encoder); |
4321 | encoder->pre_enable(encoder); |
4010 | 4322 | ||
4011 | if (intel_crtc->config.has_pch_encoder) { |
4323 | if (intel_crtc->config.has_pch_encoder) { |
4012 | /* Note: FDI PLL enabling _must_ be done before we enable the |
4324 | /* Note: FDI PLL enabling _must_ be done before we enable the |
4013 | * cpu pipes, hence this is separate from all the other fdi/pch |
4325 | * cpu pipes, hence this is separate from all the other fdi/pch |
4014 | * enabling. */ |
4326 | * enabling. */ |
4015 | ironlake_fdi_pll_enable(intel_crtc); |
4327 | ironlake_fdi_pll_enable(intel_crtc); |
4016 | } else { |
4328 | } else { |
4017 | assert_fdi_tx_disabled(dev_priv, pipe); |
4329 | assert_fdi_tx_disabled(dev_priv, pipe); |
4018 | assert_fdi_rx_disabled(dev_priv, pipe); |
4330 | assert_fdi_rx_disabled(dev_priv, pipe); |
4019 | } |
4331 | } |
4020 | 4332 | ||
4021 | ironlake_pfit_enable(intel_crtc); |
4333 | ironlake_pfit_enable(intel_crtc); |
4022 | 4334 | ||
4023 | /* |
4335 | /* |
4024 | * On ILK+ LUT must be loaded before the pipe is running but with |
4336 | * On ILK+ LUT must be loaded before the pipe is running but with |
4025 | * clocks enabled |
4337 | * clocks enabled |
4026 | */ |
4338 | */ |
4027 | intel_crtc_load_lut(crtc); |
4339 | intel_crtc_load_lut(crtc); |
4028 | 4340 | ||
4029 | intel_update_watermarks(crtc); |
4341 | intel_update_watermarks(crtc); |
4030 | intel_enable_pipe(intel_crtc); |
4342 | intel_enable_pipe(intel_crtc); |
4031 | 4343 | ||
4032 | if (intel_crtc->config.has_pch_encoder) |
4344 | if (intel_crtc->config.has_pch_encoder) |
4033 | ironlake_pch_enable(crtc); |
4345 | ironlake_pch_enable(crtc); |
4034 | 4346 | ||
4035 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4347 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4036 | encoder->enable(encoder); |
4348 | encoder->enable(encoder); |
4037 | 4349 | ||
4038 | if (HAS_PCH_CPT(dev)) |
4350 | if (HAS_PCH_CPT(dev)) |
4039 | cpt_verify_modeset(dev, intel_crtc->pipe); |
4351 | cpt_verify_modeset(dev, intel_crtc->pipe); |
- | 4352 | ||
- | 4353 | assert_vblank_disabled(crtc); |
|
- | 4354 | drm_crtc_vblank_on(crtc); |
|
4040 | 4355 | ||
4041 | intel_crtc_enable_planes(crtc); |
4356 | intel_crtc_enable_planes(crtc); |
4042 | } |
4357 | } |
4043 | 4358 | ||
4044 | /* IPS only exists on ULT machines and is tied to pipe A. */ |
4359 | /* IPS only exists on ULT machines and is tied to pipe A. */ |
4045 | static bool hsw_crtc_supports_ips(struct intel_crtc *crtc) |
4360 | static bool hsw_crtc_supports_ips(struct intel_crtc *crtc) |
4046 | { |
4361 | { |
4047 | return HAS_IPS(crtc->base.dev) && crtc->pipe == PIPE_A; |
4362 | return HAS_IPS(crtc->base.dev) && crtc->pipe == PIPE_A; |
4048 | } |
4363 | } |
4049 | 4364 | ||
4050 | /* |
4365 | /* |
4051 | * This implements the workaround described in the "notes" section of the mode |
4366 | * This implements the workaround described in the "notes" section of the mode |
4052 | * set sequence documentation. When going from no pipes or single pipe to |
4367 | * set sequence documentation. When going from no pipes or single pipe to |
4053 | * multiple pipes, and planes are enabled after the pipe, we need to wait at |
4368 | * multiple pipes, and planes are enabled after the pipe, we need to wait at |
4054 | * least 2 vblanks on the first pipe before enabling planes on the second pipe. |
4369 | * least 2 vblanks on the first pipe before enabling planes on the second pipe. |
4055 | */ |
4370 | */ |
4056 | static void haswell_mode_set_planes_workaround(struct intel_crtc *crtc) |
4371 | static void haswell_mode_set_planes_workaround(struct intel_crtc *crtc) |
4057 | { |
4372 | { |
4058 | struct drm_device *dev = crtc->base.dev; |
4373 | struct drm_device *dev = crtc->base.dev; |
4059 | struct intel_crtc *crtc_it, *other_active_crtc = NULL; |
4374 | struct intel_crtc *crtc_it, *other_active_crtc = NULL; |
4060 | 4375 | ||
4061 | /* We want to get the other_active_crtc only if there's only 1 other |
4376 | /* We want to get the other_active_crtc only if there's only 1 other |
4062 | * active crtc. */ |
4377 | * active crtc. */ |
4063 | for_each_intel_crtc(dev, crtc_it) { |
4378 | for_each_intel_crtc(dev, crtc_it) { |
4064 | if (!crtc_it->active || crtc_it == crtc) |
4379 | if (!crtc_it->active || crtc_it == crtc) |
4065 | continue; |
4380 | continue; |
4066 | 4381 | ||
4067 | if (other_active_crtc) |
4382 | if (other_active_crtc) |
4068 | return; |
4383 | return; |
4069 | 4384 | ||
4070 | other_active_crtc = crtc_it; |
4385 | other_active_crtc = crtc_it; |
4071 | } |
4386 | } |
4072 | if (!other_active_crtc) |
4387 | if (!other_active_crtc) |
4073 | return; |
4388 | return; |
4074 | 4389 | ||
4075 | intel_wait_for_vblank(dev, other_active_crtc->pipe); |
4390 | intel_wait_for_vblank(dev, other_active_crtc->pipe); |
4076 | intel_wait_for_vblank(dev, other_active_crtc->pipe); |
4391 | intel_wait_for_vblank(dev, other_active_crtc->pipe); |
4077 | } |
4392 | } |
4078 | 4393 | ||
4079 | static void haswell_crtc_enable(struct drm_crtc *crtc) |
4394 | static void haswell_crtc_enable(struct drm_crtc *crtc) |
4080 | { |
4395 | { |
4081 | struct drm_device *dev = crtc->dev; |
4396 | struct drm_device *dev = crtc->dev; |
4082 | struct drm_i915_private *dev_priv = dev->dev_private; |
4397 | struct drm_i915_private *dev_priv = dev->dev_private; |
4083 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4398 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4084 | struct intel_encoder *encoder; |
4399 | struct intel_encoder *encoder; |
4085 | int pipe = intel_crtc->pipe; |
4400 | int pipe = intel_crtc->pipe; |
4086 | enum plane plane = intel_crtc->plane; |
- | |
4087 | 4401 | ||
4088 | WARN_ON(!crtc->enabled); |
4402 | WARN_ON(!crtc->enabled); |
4089 | 4403 | ||
4090 | if (intel_crtc->active) |
4404 | if (intel_crtc->active) |
4091 | return; |
4405 | return; |
4092 | 4406 | ||
4093 | if (intel_crtc_to_shared_dpll(intel_crtc)) |
4407 | if (intel_crtc_to_shared_dpll(intel_crtc)) |
4094 | intel_enable_shared_dpll(intel_crtc); |
4408 | intel_enable_shared_dpll(intel_crtc); |
4095 | 4409 | ||
4096 | if (intel_crtc->config.has_dp_encoder) |
4410 | if (intel_crtc->config.has_dp_encoder) |
4097 | intel_dp_set_m_n(intel_crtc); |
4411 | intel_dp_set_m_n(intel_crtc); |
4098 | 4412 | ||
4099 | intel_set_pipe_timings(intel_crtc); |
4413 | intel_set_pipe_timings(intel_crtc); |
- | 4414 | ||
- | 4415 | if (intel_crtc->config.cpu_transcoder != TRANSCODER_EDP) { |
|
- | 4416 | I915_WRITE(PIPE_MULT(intel_crtc->config.cpu_transcoder), |
|
- | 4417 | intel_crtc->config.pixel_multiplier - 1); |
|
- | 4418 | } |
|
4100 | 4419 | ||
4101 | if (intel_crtc->config.has_pch_encoder) { |
4420 | if (intel_crtc->config.has_pch_encoder) { |
4102 | intel_cpu_transcoder_set_m_n(intel_crtc, |
4421 | intel_cpu_transcoder_set_m_n(intel_crtc, |
4103 | &intel_crtc->config.fdi_m_n); |
4422 | &intel_crtc->config.fdi_m_n, NULL); |
4104 | } |
4423 | } |
4105 | 4424 | ||
4106 | haswell_set_pipeconf(crtc); |
4425 | haswell_set_pipeconf(crtc); |
4107 | 4426 | ||
4108 | intel_set_pipe_csc(crtc); |
4427 | intel_set_pipe_csc(crtc); |
4109 | - | ||
4110 | /* Set up the display plane register */ |
- | |
4111 | I915_WRITE(DSPCNTR(plane), DISPPLANE_GAMMA_ENABLE | DISPPLANE_PIPE_CSC_ENABLE); |
- | |
4112 | POSTING_READ(DSPCNTR(plane)); |
- | |
4113 | - | ||
4114 | dev_priv->display.update_primary_plane(crtc, crtc->primary->fb, |
- | |
4115 | crtc->x, crtc->y); |
- | |
4116 | 4428 | ||
4117 | intel_crtc->active = true; |
4429 | intel_crtc->active = true; |
4118 | 4430 | ||
4119 | intel_set_cpu_fifo_underrun_reporting(dev, pipe, true); |
4431 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4120 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4432 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4121 | if (encoder->pre_enable) |
4433 | if (encoder->pre_enable) |
4122 | encoder->pre_enable(encoder); |
4434 | encoder->pre_enable(encoder); |
4123 | 4435 | ||
4124 | if (intel_crtc->config.has_pch_encoder) { |
4436 | if (intel_crtc->config.has_pch_encoder) { |
4125 | intel_set_pch_fifo_underrun_reporting(dev, TRANSCODER_A, true); |
4437 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, |
- | 4438 | true); |
|
4126 | dev_priv->display.fdi_link_train(crtc); |
4439 | dev_priv->display.fdi_link_train(crtc); |
4127 | } |
4440 | } |
4128 | 4441 | ||
4129 | intel_ddi_enable_pipe_clock(intel_crtc); |
4442 | intel_ddi_enable_pipe_clock(intel_crtc); |
- | 4443 | ||
- | 4444 | if (IS_SKYLAKE(dev)) |
|
- | 4445 | skylake_pfit_enable(intel_crtc); |
|
4130 | 4446 | else |
|
4131 | ironlake_pfit_enable(intel_crtc); |
4447 | ironlake_pfit_enable(intel_crtc); |
4132 | 4448 | ||
4133 | /* |
4449 | /* |
4134 | * On ILK+ LUT must be loaded before the pipe is running but with |
4450 | * On ILK+ LUT must be loaded before the pipe is running but with |
4135 | * clocks enabled |
4451 | * clocks enabled |
4136 | */ |
4452 | */ |
4137 | intel_crtc_load_lut(crtc); |
4453 | intel_crtc_load_lut(crtc); |
4138 | 4454 | ||
4139 | intel_ddi_set_pipe_settings(crtc); |
4455 | intel_ddi_set_pipe_settings(crtc); |
4140 | intel_ddi_enable_transcoder_func(crtc); |
4456 | intel_ddi_enable_transcoder_func(crtc); |
4141 | 4457 | ||
4142 | intel_update_watermarks(crtc); |
4458 | intel_update_watermarks(crtc); |
4143 | intel_enable_pipe(intel_crtc); |
4459 | intel_enable_pipe(intel_crtc); |
4144 | 4460 | ||
4145 | if (intel_crtc->config.has_pch_encoder) |
4461 | if (intel_crtc->config.has_pch_encoder) |
4146 | lpt_pch_enable(crtc); |
4462 | lpt_pch_enable(crtc); |
4147 | 4463 | ||
4148 | if (intel_crtc->config.dp_encoder_is_mst) |
4464 | if (intel_crtc->config.dp_encoder_is_mst) |
4149 | intel_ddi_set_vc_payload_alloc(crtc, true); |
4465 | intel_ddi_set_vc_payload_alloc(crtc, true); |
4150 | 4466 | ||
4151 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
4467 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
4152 | encoder->enable(encoder); |
4468 | encoder->enable(encoder); |
4153 | intel_opregion_notify_encoder(encoder, true); |
4469 | intel_opregion_notify_encoder(encoder, true); |
4154 | } |
4470 | } |
- | 4471 | ||
- | 4472 | assert_vblank_disabled(crtc); |
|
- | 4473 | drm_crtc_vblank_on(crtc); |
|
4155 | 4474 | ||
4156 | /* If we change the relative order between pipe/planes enabling, we need |
4475 | /* If we change the relative order between pipe/planes enabling, we need |
4157 | * to change the workaround. */ |
4476 | * to change the workaround. */ |
4158 | haswell_mode_set_planes_workaround(intel_crtc); |
4477 | haswell_mode_set_planes_workaround(intel_crtc); |
4159 | intel_crtc_enable_planes(crtc); |
4478 | intel_crtc_enable_planes(crtc); |
4160 | } |
4479 | } |
- | 4480 | ||
- | 4481 | static void skylake_pfit_disable(struct intel_crtc *crtc) |
|
- | 4482 | { |
|
- | 4483 | struct drm_device *dev = crtc->base.dev; |
|
- | 4484 | struct drm_i915_private *dev_priv = dev->dev_private; |
|
- | 4485 | int pipe = crtc->pipe; |
|
- | 4486 | ||
- | 4487 | /* To avoid upsetting the power well on haswell only disable the pfit if |
|
- | 4488 | * it's in use. The hw state code will make sure we get this right. */ |
|
- | 4489 | if (crtc->config.pch_pfit.enabled) { |
|
- | 4490 | I915_WRITE(PS_CTL(pipe), 0); |
|
- | 4491 | I915_WRITE(PS_WIN_POS(pipe), 0); |
|
- | 4492 | I915_WRITE(PS_WIN_SZ(pipe), 0); |
|
- | 4493 | } |
|
- | 4494 | } |
|
4161 | 4495 | ||
4162 | static void ironlake_pfit_disable(struct intel_crtc *crtc) |
4496 | static void ironlake_pfit_disable(struct intel_crtc *crtc) |
4163 | { |
4497 | { |
4164 | struct drm_device *dev = crtc->base.dev; |
4498 | struct drm_device *dev = crtc->base.dev; |
4165 | struct drm_i915_private *dev_priv = dev->dev_private; |
4499 | struct drm_i915_private *dev_priv = dev->dev_private; |
4166 | int pipe = crtc->pipe; |
4500 | int pipe = crtc->pipe; |
4167 | 4501 | ||
4168 | /* To avoid upsetting the power well on haswell only disable the pfit if |
4502 | /* To avoid upsetting the power well on haswell only disable the pfit if |
4169 | * it's in use. The hw state code will make sure we get this right. */ |
4503 | * it's in use. The hw state code will make sure we get this right. */ |
4170 | if (crtc->config.pch_pfit.enabled) { |
4504 | if (crtc->config.pch_pfit.enabled) { |
4171 | I915_WRITE(PF_CTL(pipe), 0); |
4505 | I915_WRITE(PF_CTL(pipe), 0); |
4172 | I915_WRITE(PF_WIN_POS(pipe), 0); |
4506 | I915_WRITE(PF_WIN_POS(pipe), 0); |
4173 | I915_WRITE(PF_WIN_SZ(pipe), 0); |
4507 | I915_WRITE(PF_WIN_SZ(pipe), 0); |
4174 | } |
4508 | } |
4175 | } |
4509 | } |
4176 | 4510 | ||
4177 | static void ironlake_crtc_disable(struct drm_crtc *crtc) |
4511 | static void ironlake_crtc_disable(struct drm_crtc *crtc) |
4178 | { |
4512 | { |
4179 | struct drm_device *dev = crtc->dev; |
4513 | struct drm_device *dev = crtc->dev; |
4180 | struct drm_i915_private *dev_priv = dev->dev_private; |
4514 | struct drm_i915_private *dev_priv = dev->dev_private; |
4181 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4515 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4182 | struct intel_encoder *encoder; |
4516 | struct intel_encoder *encoder; |
4183 | int pipe = intel_crtc->pipe; |
4517 | int pipe = intel_crtc->pipe; |
4184 | u32 reg, temp; |
4518 | u32 reg, temp; |
4185 | 4519 | ||
4186 | if (!intel_crtc->active) |
4520 | if (!intel_crtc->active) |
4187 | return; |
4521 | return; |
4188 | 4522 | ||
4189 | intel_crtc_disable_planes(crtc); |
4523 | intel_crtc_disable_planes(crtc); |
- | 4524 | ||
- | 4525 | drm_crtc_vblank_off(crtc); |
|
- | 4526 | assert_vblank_disabled(crtc); |
|
4190 | 4527 | ||
4191 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4528 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4192 | encoder->disable(encoder); |
4529 | encoder->disable(encoder); |
4193 | 4530 | ||
4194 | if (intel_crtc->config.has_pch_encoder) |
4531 | if (intel_crtc->config.has_pch_encoder) |
4195 | intel_set_pch_fifo_underrun_reporting(dev, pipe, false); |
4532 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, false); |
- | 4533 | ||
- | 4534 | intel_disable_pipe(intel_crtc); |
|
4196 | - | ||
4197 | intel_disable_pipe(dev_priv, pipe); |
4535 | |
4198 | ironlake_pfit_disable(intel_crtc); |
4536 | ironlake_pfit_disable(intel_crtc); |
4199 | 4537 | ||
4200 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4538 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4201 | if (encoder->post_disable) |
4539 | if (encoder->post_disable) |
4202 | encoder->post_disable(encoder); |
4540 | encoder->post_disable(encoder); |
4203 | 4541 | ||
4204 | if (intel_crtc->config.has_pch_encoder) { |
4542 | if (intel_crtc->config.has_pch_encoder) { |
4205 | ironlake_fdi_disable(crtc); |
4543 | ironlake_fdi_disable(crtc); |
4206 | 4544 | ||
4207 | ironlake_disable_pch_transcoder(dev_priv, pipe); |
4545 | ironlake_disable_pch_transcoder(dev_priv, pipe); |
4208 | intel_set_pch_fifo_underrun_reporting(dev, pipe, true); |
- | |
4209 | 4546 | ||
4210 | if (HAS_PCH_CPT(dev)) { |
4547 | if (HAS_PCH_CPT(dev)) { |
4211 | /* disable TRANS_DP_CTL */ |
4548 | /* disable TRANS_DP_CTL */ |
4212 | reg = TRANS_DP_CTL(pipe); |
4549 | reg = TRANS_DP_CTL(pipe); |
4213 | temp = I915_READ(reg); |
4550 | temp = I915_READ(reg); |
4214 | temp &= ~(TRANS_DP_OUTPUT_ENABLE | |
4551 | temp &= ~(TRANS_DP_OUTPUT_ENABLE | |
4215 | TRANS_DP_PORT_SEL_MASK); |
4552 | TRANS_DP_PORT_SEL_MASK); |
4216 | temp |= TRANS_DP_PORT_SEL_NONE; |
4553 | temp |= TRANS_DP_PORT_SEL_NONE; |
4217 | I915_WRITE(reg, temp); |
4554 | I915_WRITE(reg, temp); |
4218 | 4555 | ||
4219 | /* disable DPLL_SEL */ |
4556 | /* disable DPLL_SEL */ |
4220 | temp = I915_READ(PCH_DPLL_SEL); |
4557 | temp = I915_READ(PCH_DPLL_SEL); |
4221 | temp &= ~(TRANS_DPLL_ENABLE(pipe) | TRANS_DPLLB_SEL(pipe)); |
4558 | temp &= ~(TRANS_DPLL_ENABLE(pipe) | TRANS_DPLLB_SEL(pipe)); |
4222 | I915_WRITE(PCH_DPLL_SEL, temp); |
4559 | I915_WRITE(PCH_DPLL_SEL, temp); |
4223 | } |
4560 | } |
4224 | 4561 | ||
4225 | /* disable PCH DPLL */ |
4562 | /* disable PCH DPLL */ |
4226 | intel_disable_shared_dpll(intel_crtc); |
4563 | intel_disable_shared_dpll(intel_crtc); |
4227 | 4564 | ||
4228 | ironlake_fdi_pll_disable(intel_crtc); |
4565 | ironlake_fdi_pll_disable(intel_crtc); |
4229 | } |
4566 | } |
4230 | 4567 | ||
4231 | intel_crtc->active = false; |
4568 | intel_crtc->active = false; |
4232 | intel_update_watermarks(crtc); |
4569 | intel_update_watermarks(crtc); |
4233 | 4570 | ||
4234 | mutex_lock(&dev->struct_mutex); |
4571 | mutex_lock(&dev->struct_mutex); |
4235 | intel_update_fbc(dev); |
4572 | intel_update_fbc(dev); |
4236 | mutex_unlock(&dev->struct_mutex); |
4573 | mutex_unlock(&dev->struct_mutex); |
4237 | } |
4574 | } |
4238 | 4575 | ||
4239 | static void haswell_crtc_disable(struct drm_crtc *crtc) |
4576 | static void haswell_crtc_disable(struct drm_crtc *crtc) |
4240 | { |
4577 | { |
4241 | struct drm_device *dev = crtc->dev; |
4578 | struct drm_device *dev = crtc->dev; |
4242 | struct drm_i915_private *dev_priv = dev->dev_private; |
4579 | struct drm_i915_private *dev_priv = dev->dev_private; |
4243 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4580 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4244 | struct intel_encoder *encoder; |
4581 | struct intel_encoder *encoder; |
4245 | int pipe = intel_crtc->pipe; |
- | |
4246 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
4582 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
4247 | 4583 | ||
4248 | if (!intel_crtc->active) |
4584 | if (!intel_crtc->active) |
4249 | return; |
4585 | return; |
4250 | 4586 | ||
4251 | intel_crtc_disable_planes(crtc); |
4587 | intel_crtc_disable_planes(crtc); |
- | 4588 | ||
- | 4589 | drm_crtc_vblank_off(crtc); |
|
- | 4590 | assert_vblank_disabled(crtc); |
|
4252 | 4591 | ||
4253 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
4592 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
4254 | intel_opregion_notify_encoder(encoder, false); |
4593 | intel_opregion_notify_encoder(encoder, false); |
4255 | encoder->disable(encoder); |
4594 | encoder->disable(encoder); |
4256 | } |
4595 | } |
4257 | 4596 | ||
4258 | if (intel_crtc->config.has_pch_encoder) |
4597 | if (intel_crtc->config.has_pch_encoder) |
4259 | intel_set_pch_fifo_underrun_reporting(dev, TRANSCODER_A, false); |
4598 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, |
- | 4599 | false); |
|
4260 | intel_disable_pipe(dev_priv, pipe); |
4600 | intel_disable_pipe(intel_crtc); |
4261 | 4601 | ||
4262 | if (intel_crtc->config.dp_encoder_is_mst) |
4602 | if (intel_crtc->config.dp_encoder_is_mst) |
4263 | intel_ddi_set_vc_payload_alloc(crtc, false); |
4603 | intel_ddi_set_vc_payload_alloc(crtc, false); |
4264 | 4604 | ||
4265 | intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder); |
4605 | intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder); |
- | 4606 | ||
- | 4607 | if (IS_SKYLAKE(dev)) |
|
- | 4608 | skylake_pfit_disable(intel_crtc); |
|
4266 | 4609 | else |
|
4267 | ironlake_pfit_disable(intel_crtc); |
4610 | ironlake_pfit_disable(intel_crtc); |
4268 | 4611 | ||
4269 | intel_ddi_disable_pipe_clock(intel_crtc); |
4612 | intel_ddi_disable_pipe_clock(intel_crtc); |
4270 | 4613 | ||
4271 | if (intel_crtc->config.has_pch_encoder) { |
4614 | if (intel_crtc->config.has_pch_encoder) { |
4272 | lpt_disable_pch_transcoder(dev_priv); |
4615 | lpt_disable_pch_transcoder(dev_priv); |
4273 | intel_set_pch_fifo_underrun_reporting(dev, TRANSCODER_A, true); |
- | |
4274 | intel_ddi_fdi_disable(crtc); |
4616 | intel_ddi_fdi_disable(crtc); |
4275 | } |
4617 | } |
4276 | 4618 | ||
4277 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4619 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4278 | if (encoder->post_disable) |
4620 | if (encoder->post_disable) |
4279 | encoder->post_disable(encoder); |
4621 | encoder->post_disable(encoder); |
4280 | 4622 | ||
4281 | intel_crtc->active = false; |
4623 | intel_crtc->active = false; |
4282 | intel_update_watermarks(crtc); |
4624 | intel_update_watermarks(crtc); |
4283 | 4625 | ||
4284 | mutex_lock(&dev->struct_mutex); |
4626 | mutex_lock(&dev->struct_mutex); |
4285 | intel_update_fbc(dev); |
4627 | intel_update_fbc(dev); |
4286 | mutex_unlock(&dev->struct_mutex); |
4628 | mutex_unlock(&dev->struct_mutex); |
4287 | 4629 | ||
4288 | if (intel_crtc_to_shared_dpll(intel_crtc)) |
4630 | if (intel_crtc_to_shared_dpll(intel_crtc)) |
4289 | intel_disable_shared_dpll(intel_crtc); |
4631 | intel_disable_shared_dpll(intel_crtc); |
4290 | } |
4632 | } |
4291 | 4633 | ||
4292 | static void ironlake_crtc_off(struct drm_crtc *crtc) |
4634 | static void ironlake_crtc_off(struct drm_crtc *crtc) |
4293 | { |
4635 | { |
4294 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4636 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4295 | intel_put_shared_dpll(intel_crtc); |
4637 | intel_put_shared_dpll(intel_crtc); |
4296 | } |
4638 | } |
4297 | 4639 | ||
4298 | 4640 | ||
4299 | static void i9xx_pfit_enable(struct intel_crtc *crtc) |
4641 | static void i9xx_pfit_enable(struct intel_crtc *crtc) |
4300 | { |
4642 | { |
4301 | struct drm_device *dev = crtc->base.dev; |
4643 | struct drm_device *dev = crtc->base.dev; |
4302 | struct drm_i915_private *dev_priv = dev->dev_private; |
4644 | struct drm_i915_private *dev_priv = dev->dev_private; |
4303 | struct intel_crtc_config *pipe_config = &crtc->config; |
4645 | struct intel_crtc_config *pipe_config = &crtc->config; |
4304 | 4646 | ||
4305 | if (!crtc->config.gmch_pfit.control) |
4647 | if (!crtc->config.gmch_pfit.control) |
4306 | return; |
4648 | return; |
4307 | 4649 | ||
4308 | /* |
4650 | /* |
4309 | * The panel fitter should only be adjusted whilst the pipe is disabled, |
4651 | * The panel fitter should only be adjusted whilst the pipe is disabled, |
4310 | * according to register description and PRM. |
4652 | * according to register description and PRM. |
4311 | */ |
4653 | */ |
4312 | WARN_ON(I915_READ(PFIT_CONTROL) & PFIT_ENABLE); |
4654 | WARN_ON(I915_READ(PFIT_CONTROL) & PFIT_ENABLE); |
4313 | assert_pipe_disabled(dev_priv, crtc->pipe); |
4655 | assert_pipe_disabled(dev_priv, crtc->pipe); |
4314 | 4656 | ||
4315 | I915_WRITE(PFIT_PGM_RATIOS, pipe_config->gmch_pfit.pgm_ratios); |
4657 | I915_WRITE(PFIT_PGM_RATIOS, pipe_config->gmch_pfit.pgm_ratios); |
4316 | I915_WRITE(PFIT_CONTROL, pipe_config->gmch_pfit.control); |
4658 | I915_WRITE(PFIT_CONTROL, pipe_config->gmch_pfit.control); |
4317 | 4659 | ||
4318 | /* Border color in case we don't scale up to the full screen. Black by |
4660 | /* Border color in case we don't scale up to the full screen. Black by |
4319 | * default, change to something else for debugging. */ |
4661 | * default, change to something else for debugging. */ |
4320 | I915_WRITE(BCLRPAT(crtc->pipe), 0); |
4662 | I915_WRITE(BCLRPAT(crtc->pipe), 0); |
4321 | } |
4663 | } |
4322 | 4664 | ||
4323 | static enum intel_display_power_domain port_to_power_domain(enum port port) |
4665 | static enum intel_display_power_domain port_to_power_domain(enum port port) |
4324 | { |
4666 | { |
4325 | switch (port) { |
4667 | switch (port) { |
4326 | case PORT_A: |
4668 | case PORT_A: |
4327 | return POWER_DOMAIN_PORT_DDI_A_4_LANES; |
4669 | return POWER_DOMAIN_PORT_DDI_A_4_LANES; |
4328 | case PORT_B: |
4670 | case PORT_B: |
4329 | return POWER_DOMAIN_PORT_DDI_B_4_LANES; |
4671 | return POWER_DOMAIN_PORT_DDI_B_4_LANES; |
4330 | case PORT_C: |
4672 | case PORT_C: |
4331 | return POWER_DOMAIN_PORT_DDI_C_4_LANES; |
4673 | return POWER_DOMAIN_PORT_DDI_C_4_LANES; |
4332 | case PORT_D: |
4674 | case PORT_D: |
4333 | return POWER_DOMAIN_PORT_DDI_D_4_LANES; |
4675 | return POWER_DOMAIN_PORT_DDI_D_4_LANES; |
4334 | default: |
4676 | default: |
4335 | WARN_ON_ONCE(1); |
4677 | WARN_ON_ONCE(1); |
4336 | return POWER_DOMAIN_PORT_OTHER; |
4678 | return POWER_DOMAIN_PORT_OTHER; |
4337 | } |
4679 | } |
4338 | } |
4680 | } |
4339 | 4681 | ||
4340 | #define for_each_power_domain(domain, mask) \ |
4682 | #define for_each_power_domain(domain, mask) \ |
4341 | for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \ |
4683 | for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \ |
4342 | if ((1 << (domain)) & (mask)) |
4684 | if ((1 << (domain)) & (mask)) |
4343 | 4685 | ||
4344 | enum intel_display_power_domain |
4686 | enum intel_display_power_domain |
4345 | intel_display_port_power_domain(struct intel_encoder *intel_encoder) |
4687 | intel_display_port_power_domain(struct intel_encoder *intel_encoder) |
4346 | { |
4688 | { |
4347 | struct drm_device *dev = intel_encoder->base.dev; |
4689 | struct drm_device *dev = intel_encoder->base.dev; |
4348 | struct intel_digital_port *intel_dig_port; |
4690 | struct intel_digital_port *intel_dig_port; |
4349 | 4691 | ||
4350 | switch (intel_encoder->type) { |
4692 | switch (intel_encoder->type) { |
4351 | case INTEL_OUTPUT_UNKNOWN: |
4693 | case INTEL_OUTPUT_UNKNOWN: |
4352 | /* Only DDI platforms should ever use this output type */ |
4694 | /* Only DDI platforms should ever use this output type */ |
4353 | WARN_ON_ONCE(!HAS_DDI(dev)); |
4695 | WARN_ON_ONCE(!HAS_DDI(dev)); |
4354 | case INTEL_OUTPUT_DISPLAYPORT: |
4696 | case INTEL_OUTPUT_DISPLAYPORT: |
4355 | case INTEL_OUTPUT_HDMI: |
4697 | case INTEL_OUTPUT_HDMI: |
4356 | case INTEL_OUTPUT_EDP: |
4698 | case INTEL_OUTPUT_EDP: |
4357 | intel_dig_port = enc_to_dig_port(&intel_encoder->base); |
4699 | intel_dig_port = enc_to_dig_port(&intel_encoder->base); |
4358 | return port_to_power_domain(intel_dig_port->port); |
4700 | return port_to_power_domain(intel_dig_port->port); |
4359 | case INTEL_OUTPUT_DP_MST: |
4701 | case INTEL_OUTPUT_DP_MST: |
4360 | intel_dig_port = enc_to_mst(&intel_encoder->base)->primary; |
4702 | intel_dig_port = enc_to_mst(&intel_encoder->base)->primary; |
4361 | return port_to_power_domain(intel_dig_port->port); |
4703 | return port_to_power_domain(intel_dig_port->port); |
4362 | case INTEL_OUTPUT_ANALOG: |
4704 | case INTEL_OUTPUT_ANALOG: |
4363 | return POWER_DOMAIN_PORT_CRT; |
4705 | return POWER_DOMAIN_PORT_CRT; |
4364 | case INTEL_OUTPUT_DSI: |
4706 | case INTEL_OUTPUT_DSI: |
4365 | return POWER_DOMAIN_PORT_DSI; |
4707 | return POWER_DOMAIN_PORT_DSI; |
4366 | default: |
4708 | default: |
4367 | return POWER_DOMAIN_PORT_OTHER; |
4709 | return POWER_DOMAIN_PORT_OTHER; |
4368 | } |
4710 | } |
4369 | } |
4711 | } |
4370 | 4712 | ||
4371 | static unsigned long get_crtc_power_domains(struct drm_crtc *crtc) |
4713 | static unsigned long get_crtc_power_domains(struct drm_crtc *crtc) |
4372 | { |
4714 | { |
4373 | struct drm_device *dev = crtc->dev; |
4715 | struct drm_device *dev = crtc->dev; |
4374 | struct intel_encoder *intel_encoder; |
4716 | struct intel_encoder *intel_encoder; |
4375 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4717 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4376 | enum pipe pipe = intel_crtc->pipe; |
4718 | enum pipe pipe = intel_crtc->pipe; |
4377 | unsigned long mask; |
4719 | unsigned long mask; |
4378 | enum transcoder transcoder; |
4720 | enum transcoder transcoder; |
4379 | 4721 | ||
4380 | transcoder = intel_pipe_to_cpu_transcoder(dev->dev_private, pipe); |
4722 | transcoder = intel_pipe_to_cpu_transcoder(dev->dev_private, pipe); |
4381 | 4723 | ||
4382 | mask = BIT(POWER_DOMAIN_PIPE(pipe)); |
4724 | mask = BIT(POWER_DOMAIN_PIPE(pipe)); |
4383 | mask |= BIT(POWER_DOMAIN_TRANSCODER(transcoder)); |
4725 | mask |= BIT(POWER_DOMAIN_TRANSCODER(transcoder)); |
4384 | if (intel_crtc->config.pch_pfit.enabled || |
4726 | if (intel_crtc->config.pch_pfit.enabled || |
4385 | intel_crtc->config.pch_pfit.force_thru) |
4727 | intel_crtc->config.pch_pfit.force_thru) |
4386 | mask |= BIT(POWER_DOMAIN_PIPE_PANEL_FITTER(pipe)); |
4728 | mask |= BIT(POWER_DOMAIN_PIPE_PANEL_FITTER(pipe)); |
4387 | 4729 | ||
4388 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) |
4730 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) |
4389 | mask |= BIT(intel_display_port_power_domain(intel_encoder)); |
4731 | mask |= BIT(intel_display_port_power_domain(intel_encoder)); |
4390 | 4732 | ||
4391 | return mask; |
4733 | return mask; |
4392 | } |
4734 | } |
4393 | - | ||
4394 | void intel_display_set_init_power(struct drm_i915_private *dev_priv, |
- | |
4395 | bool enable) |
- | |
4396 | { |
- | |
4397 | if (dev_priv->power_domains.init_power_on == enable) |
- | |
4398 | return; |
- | |
4399 | - | ||
4400 | if (enable) |
- | |
4401 | intel_display_power_get(dev_priv, POWER_DOMAIN_INIT); |
- | |
4402 | else |
- | |
4403 | intel_display_power_put(dev_priv, POWER_DOMAIN_INIT); |
- | |
4404 | - | ||
4405 | dev_priv->power_domains.init_power_on = enable; |
- | |
4406 | } |
- | |
4407 | 4735 | ||
4408 | static void modeset_update_crtc_power_domains(struct drm_device *dev) |
4736 | static void modeset_update_crtc_power_domains(struct drm_device *dev) |
4409 | { |
4737 | { |
4410 | struct drm_i915_private *dev_priv = dev->dev_private; |
4738 | struct drm_i915_private *dev_priv = dev->dev_private; |
4411 | unsigned long pipe_domains[I915_MAX_PIPES] = { 0, }; |
4739 | unsigned long pipe_domains[I915_MAX_PIPES] = { 0, }; |
4412 | struct intel_crtc *crtc; |
4740 | struct intel_crtc *crtc; |
4413 | 4741 | ||
4414 | /* |
4742 | /* |
4415 | * First get all needed power domains, then put all unneeded, to avoid |
4743 | * First get all needed power domains, then put all unneeded, to avoid |
4416 | * any unnecessary toggling of the power wells. |
4744 | * any unnecessary toggling of the power wells. |
4417 | */ |
4745 | */ |
4418 | for_each_intel_crtc(dev, crtc) { |
4746 | for_each_intel_crtc(dev, crtc) { |
4419 | enum intel_display_power_domain domain; |
4747 | enum intel_display_power_domain domain; |
4420 | 4748 | ||
4421 | if (!crtc->base.enabled) |
4749 | if (!crtc->base.enabled) |
4422 | continue; |
4750 | continue; |
4423 | 4751 | ||
4424 | pipe_domains[crtc->pipe] = get_crtc_power_domains(&crtc->base); |
4752 | pipe_domains[crtc->pipe] = get_crtc_power_domains(&crtc->base); |
4425 | 4753 | ||
4426 | for_each_power_domain(domain, pipe_domains[crtc->pipe]) |
4754 | for_each_power_domain(domain, pipe_domains[crtc->pipe]) |
4427 | intel_display_power_get(dev_priv, domain); |
4755 | intel_display_power_get(dev_priv, domain); |
4428 | } |
4756 | } |
- | 4757 | ||
- | 4758 | if (dev_priv->display.modeset_global_resources) |
|
- | 4759 | dev_priv->display.modeset_global_resources(dev); |
|
4429 | 4760 | ||
4430 | for_each_intel_crtc(dev, crtc) { |
4761 | for_each_intel_crtc(dev, crtc) { |
4431 | enum intel_display_power_domain domain; |
4762 | enum intel_display_power_domain domain; |
4432 | 4763 | ||
4433 | for_each_power_domain(domain, crtc->enabled_power_domains) |
4764 | for_each_power_domain(domain, crtc->enabled_power_domains) |
4434 | intel_display_power_put(dev_priv, domain); |
4765 | intel_display_power_put(dev_priv, domain); |
4435 | 4766 | ||
4436 | crtc->enabled_power_domains = pipe_domains[crtc->pipe]; |
4767 | crtc->enabled_power_domains = pipe_domains[crtc->pipe]; |
4437 | } |
4768 | } |
4438 | 4769 | ||
4439 | intel_display_set_init_power(dev_priv, false); |
4770 | intel_display_set_init_power(dev_priv, false); |
4440 | } |
4771 | } |
4441 | 4772 | ||
4442 | /* returns HPLL frequency in kHz */ |
4773 | /* returns HPLL frequency in kHz */ |
4443 | static int valleyview_get_vco(struct drm_i915_private *dev_priv) |
4774 | static int valleyview_get_vco(struct drm_i915_private *dev_priv) |
4444 | { |
4775 | { |
4445 | int hpll_freq, vco_freq[] = { 800, 1600, 2000, 2400 }; |
4776 | int hpll_freq, vco_freq[] = { 800, 1600, 2000, 2400 }; |
4446 | 4777 | ||
4447 | /* Obtain SKU information */ |
4778 | /* Obtain SKU information */ |
4448 | mutex_lock(&dev_priv->dpio_lock); |
4779 | mutex_lock(&dev_priv->dpio_lock); |
4449 | hpll_freq = vlv_cck_read(dev_priv, CCK_FUSE_REG) & |
4780 | hpll_freq = vlv_cck_read(dev_priv, CCK_FUSE_REG) & |
4450 | CCK_FUSE_HPLL_FREQ_MASK; |
4781 | CCK_FUSE_HPLL_FREQ_MASK; |
4451 | mutex_unlock(&dev_priv->dpio_lock); |
4782 | mutex_unlock(&dev_priv->dpio_lock); |
4452 | 4783 | ||
4453 | return vco_freq[hpll_freq] * 1000; |
4784 | return vco_freq[hpll_freq] * 1000; |
4454 | } |
4785 | } |
4455 | 4786 | ||
4456 | static void vlv_update_cdclk(struct drm_device *dev) |
4787 | static void vlv_update_cdclk(struct drm_device *dev) |
4457 | { |
4788 | { |
4458 | struct drm_i915_private *dev_priv = dev->dev_private; |
4789 | struct drm_i915_private *dev_priv = dev->dev_private; |
4459 | 4790 | ||
4460 | dev_priv->vlv_cdclk_freq = dev_priv->display.get_display_clock_speed(dev); |
4791 | dev_priv->vlv_cdclk_freq = dev_priv->display.get_display_clock_speed(dev); |
4461 | DRM_DEBUG_DRIVER("Current CD clock rate: %d kHz", |
4792 | DRM_DEBUG_DRIVER("Current CD clock rate: %d kHz\n", |
4462 | dev_priv->vlv_cdclk_freq); |
4793 | dev_priv->vlv_cdclk_freq); |
4463 | 4794 | ||
4464 | /* |
4795 | /* |
4465 | * Program the gmbus_freq based on the cdclk frequency. |
4796 | * Program the gmbus_freq based on the cdclk frequency. |
4466 | * BSpec erroneously claims we should aim for 4MHz, but |
4797 | * BSpec erroneously claims we should aim for 4MHz, but |
4467 | * in fact 1MHz is the correct frequency. |
4798 | * in fact 1MHz is the correct frequency. |
4468 | */ |
4799 | */ |
4469 | I915_WRITE(GMBUSFREQ_VLV, dev_priv->vlv_cdclk_freq); |
4800 | I915_WRITE(GMBUSFREQ_VLV, DIV_ROUND_UP(dev_priv->vlv_cdclk_freq, 1000)); |
4470 | } |
4801 | } |
4471 | 4802 | ||
4472 | /* Adjust CDclk dividers to allow high res or save power if possible */ |
4803 | /* Adjust CDclk dividers to allow high res or save power if possible */ |
4473 | static void valleyview_set_cdclk(struct drm_device *dev, int cdclk) |
4804 | static void valleyview_set_cdclk(struct drm_device *dev, int cdclk) |
4474 | { |
4805 | { |
4475 | struct drm_i915_private *dev_priv = dev->dev_private; |
4806 | struct drm_i915_private *dev_priv = dev->dev_private; |
4476 | u32 val, cmd; |
4807 | u32 val, cmd; |
4477 | 4808 | ||
4478 | WARN_ON(dev_priv->display.get_display_clock_speed(dev) != dev_priv->vlv_cdclk_freq); |
4809 | WARN_ON(dev_priv->display.get_display_clock_speed(dev) != dev_priv->vlv_cdclk_freq); |
4479 | 4810 | ||
4480 | if (cdclk >= 320000) /* jump to highest voltage for 400MHz too */ |
4811 | if (cdclk >= 320000) /* jump to highest voltage for 400MHz too */ |
4481 | cmd = 2; |
4812 | cmd = 2; |
4482 | else if (cdclk == 266667) |
4813 | else if (cdclk == 266667) |
4483 | cmd = 1; |
4814 | cmd = 1; |
4484 | else |
4815 | else |
4485 | cmd = 0; |
4816 | cmd = 0; |
4486 | 4817 | ||
4487 | mutex_lock(&dev_priv->rps.hw_lock); |
4818 | mutex_lock(&dev_priv->rps.hw_lock); |
4488 | val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); |
4819 | val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); |
4489 | val &= ~DSPFREQGUAR_MASK; |
4820 | val &= ~DSPFREQGUAR_MASK; |
4490 | val |= (cmd << DSPFREQGUAR_SHIFT); |
4821 | val |= (cmd << DSPFREQGUAR_SHIFT); |
4491 | vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); |
4822 | vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); |
4492 | if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & |
4823 | if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & |
4493 | DSPFREQSTAT_MASK) == (cmd << DSPFREQSTAT_SHIFT), |
4824 | DSPFREQSTAT_MASK) == (cmd << DSPFREQSTAT_SHIFT), |
4494 | 50)) { |
4825 | 50)) { |
4495 | DRM_ERROR("timed out waiting for CDclk change\n"); |
4826 | DRM_ERROR("timed out waiting for CDclk change\n"); |
4496 | } |
4827 | } |
4497 | mutex_unlock(&dev_priv->rps.hw_lock); |
4828 | mutex_unlock(&dev_priv->rps.hw_lock); |
4498 | 4829 | ||
4499 | if (cdclk == 400000) { |
4830 | if (cdclk == 400000) { |
4500 | u32 divider, vco; |
4831 | u32 divider; |
4501 | - | ||
4502 | vco = valleyview_get_vco(dev_priv); |
4832 | |
4503 | divider = DIV_ROUND_CLOSEST(vco << 1, cdclk) - 1; |
4833 | divider = DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, cdclk) - 1; |
4504 | 4834 | ||
4505 | mutex_lock(&dev_priv->dpio_lock); |
4835 | mutex_lock(&dev_priv->dpio_lock); |
4506 | /* adjust cdclk divider */ |
4836 | /* adjust cdclk divider */ |
4507 | val = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL); |
4837 | val = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL); |
4508 | val &= ~DISPLAY_FREQUENCY_VALUES; |
4838 | val &= ~DISPLAY_FREQUENCY_VALUES; |
4509 | val |= divider; |
4839 | val |= divider; |
4510 | vlv_cck_write(dev_priv, CCK_DISPLAY_CLOCK_CONTROL, val); |
4840 | vlv_cck_write(dev_priv, CCK_DISPLAY_CLOCK_CONTROL, val); |
4511 | 4841 | ||
4512 | if (wait_for((vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL) & |
4842 | if (wait_for((vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL) & |
4513 | DISPLAY_FREQUENCY_STATUS) == (divider << DISPLAY_FREQUENCY_STATUS_SHIFT), |
4843 | DISPLAY_FREQUENCY_STATUS) == (divider << DISPLAY_FREQUENCY_STATUS_SHIFT), |
4514 | 50)) |
4844 | 50)) |
4515 | DRM_ERROR("timed out waiting for CDclk change\n"); |
4845 | DRM_ERROR("timed out waiting for CDclk change\n"); |
4516 | mutex_unlock(&dev_priv->dpio_lock); |
4846 | mutex_unlock(&dev_priv->dpio_lock); |
4517 | } |
4847 | } |
4518 | 4848 | ||
4519 | mutex_lock(&dev_priv->dpio_lock); |
4849 | mutex_lock(&dev_priv->dpio_lock); |
4520 | /* adjust self-refresh exit latency value */ |
4850 | /* adjust self-refresh exit latency value */ |
4521 | val = vlv_bunit_read(dev_priv, BUNIT_REG_BISOC); |
4851 | val = vlv_bunit_read(dev_priv, BUNIT_REG_BISOC); |
4522 | val &= ~0x7f; |
4852 | val &= ~0x7f; |
4523 | 4853 | ||
4524 | /* |
4854 | /* |
4525 | * For high bandwidth configs, we set a higher latency in the bunit |
4855 | * For high bandwidth configs, we set a higher latency in the bunit |
4526 | * so that the core display fetch happens in time to avoid underruns. |
4856 | * so that the core display fetch happens in time to avoid underruns. |
4527 | */ |
4857 | */ |
4528 | if (cdclk == 400000) |
4858 | if (cdclk == 400000) |
4529 | val |= 4500 / 250; /* 4.5 usec */ |
4859 | val |= 4500 / 250; /* 4.5 usec */ |
4530 | else |
4860 | else |
4531 | val |= 3000 / 250; /* 3.0 usec */ |
4861 | val |= 3000 / 250; /* 3.0 usec */ |
4532 | vlv_bunit_write(dev_priv, BUNIT_REG_BISOC, val); |
4862 | vlv_bunit_write(dev_priv, BUNIT_REG_BISOC, val); |
4533 | mutex_unlock(&dev_priv->dpio_lock); |
4863 | mutex_unlock(&dev_priv->dpio_lock); |
4534 | 4864 | ||
4535 | vlv_update_cdclk(dev); |
4865 | vlv_update_cdclk(dev); |
4536 | } |
4866 | } |
- | 4867 | ||
- | 4868 | static void cherryview_set_cdclk(struct drm_device *dev, int cdclk) |
|
- | 4869 | { |
|
- | 4870 | struct drm_i915_private *dev_priv = dev->dev_private; |
|
- | 4871 | u32 val, cmd; |
|
- | 4872 | ||
- | 4873 | WARN_ON(dev_priv->display.get_display_clock_speed(dev) != dev_priv->vlv_cdclk_freq); |
|
- | 4874 | ||
- | 4875 | switch (cdclk) { |
|
- | 4876 | case 400000: |
|
- | 4877 | cmd = 3; |
|
- | 4878 | break; |
|
- | 4879 | case 333333: |
|
- | 4880 | case 320000: |
|
- | 4881 | cmd = 2; |
|
- | 4882 | break; |
|
- | 4883 | case 266667: |
|
- | 4884 | cmd = 1; |
|
- | 4885 | break; |
|
- | 4886 | case 200000: |
|
- | 4887 | cmd = 0; |
|
- | 4888 | break; |
|
- | 4889 | default: |
|
- | 4890 | WARN_ON(1); |
|
- | 4891 | return; |
|
- | 4892 | } |
|
- | 4893 | ||
- | 4894 | mutex_lock(&dev_priv->rps.hw_lock); |
|
- | 4895 | val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); |
|
- | 4896 | val &= ~DSPFREQGUAR_MASK_CHV; |
|
- | 4897 | val |= (cmd << DSPFREQGUAR_SHIFT_CHV); |
|
- | 4898 | vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); |
|
- | 4899 | if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & |
|
- | 4900 | DSPFREQSTAT_MASK_CHV) == (cmd << DSPFREQSTAT_SHIFT_CHV), |
|
- | 4901 | 50)) { |
|
- | 4902 | DRM_ERROR("timed out waiting for CDclk change\n"); |
|
- | 4903 | } |
|
- | 4904 | mutex_unlock(&dev_priv->rps.hw_lock); |
|
- | 4905 | ||
- | 4906 | vlv_update_cdclk(dev); |
|
- | 4907 | } |
|
4537 | 4908 | ||
4538 | static int valleyview_calc_cdclk(struct drm_i915_private *dev_priv, |
4909 | static int valleyview_calc_cdclk(struct drm_i915_private *dev_priv, |
4539 | int max_pixclk) |
4910 | int max_pixclk) |
4540 | { |
4911 | { |
4541 | int vco = valleyview_get_vco(dev_priv); |
- | |
4542 | int freq_320 = (vco << 1) % 320000 != 0 ? 333333 : 320000; |
4912 | int freq_320 = (dev_priv->hpll_freq << 1) % 320000 != 0 ? 333333 : 320000; |
- | 4913 | ||
- | 4914 | /* FIXME: Punit isn't quite ready yet */ |
|
- | 4915 | if (IS_CHERRYVIEW(dev_priv->dev)) |
|
- | 4916 | return 400000; |
|
4543 | 4917 | ||
4544 | /* |
4918 | /* |
4545 | * Really only a few cases to deal with, as only 4 CDclks are supported: |
4919 | * Really only a few cases to deal with, as only 4 CDclks are supported: |
4546 | * 200MHz |
4920 | * 200MHz |
4547 | * 267MHz |
4921 | * 267MHz |
4548 | * 320/333MHz (depends on HPLL freq) |
4922 | * 320/333MHz (depends on HPLL freq) |
4549 | * 400MHz |
4923 | * 400MHz |
4550 | * So we check to see whether we're above 90% of the lower bin and |
4924 | * So we check to see whether we're above 90% of the lower bin and |
4551 | * adjust if needed. |
4925 | * adjust if needed. |
4552 | * |
4926 | * |
4553 | * We seem to get an unstable or solid color picture at 200MHz. |
4927 | * We seem to get an unstable or solid color picture at 200MHz. |
4554 | * Not sure what's wrong. For now use 200MHz only when all pipes |
4928 | * Not sure what's wrong. For now use 200MHz only when all pipes |
4555 | * are off. |
4929 | * are off. |
4556 | */ |
4930 | */ |
4557 | if (max_pixclk > freq_320*9/10) |
4931 | if (max_pixclk > freq_320*9/10) |
4558 | return 400000; |
4932 | return 400000; |
4559 | else if (max_pixclk > 266667*9/10) |
4933 | else if (max_pixclk > 266667*9/10) |
4560 | return freq_320; |
4934 | return freq_320; |
4561 | else if (max_pixclk > 0) |
4935 | else if (max_pixclk > 0) |
4562 | return 266667; |
4936 | return 266667; |
4563 | else |
4937 | else |
4564 | return 200000; |
4938 | return 200000; |
4565 | } |
4939 | } |
4566 | 4940 | ||
4567 | /* compute the max pixel clock for new configuration */ |
4941 | /* compute the max pixel clock for new configuration */ |
4568 | static int intel_mode_max_pixclk(struct drm_i915_private *dev_priv) |
4942 | static int intel_mode_max_pixclk(struct drm_i915_private *dev_priv) |
4569 | { |
4943 | { |
4570 | struct drm_device *dev = dev_priv->dev; |
4944 | struct drm_device *dev = dev_priv->dev; |
4571 | struct intel_crtc *intel_crtc; |
4945 | struct intel_crtc *intel_crtc; |
4572 | int max_pixclk = 0; |
4946 | int max_pixclk = 0; |
4573 | 4947 | ||
4574 | for_each_intel_crtc(dev, intel_crtc) { |
4948 | for_each_intel_crtc(dev, intel_crtc) { |
4575 | if (intel_crtc->new_enabled) |
4949 | if (intel_crtc->new_enabled) |
4576 | max_pixclk = max(max_pixclk, |
4950 | max_pixclk = max(max_pixclk, |
4577 | intel_crtc->new_config->adjusted_mode.crtc_clock); |
4951 | intel_crtc->new_config->adjusted_mode.crtc_clock); |
4578 | } |
4952 | } |
4579 | 4953 | ||
4580 | return max_pixclk; |
4954 | return max_pixclk; |
4581 | } |
4955 | } |
4582 | 4956 | ||
4583 | static void valleyview_modeset_global_pipes(struct drm_device *dev, |
4957 | static void valleyview_modeset_global_pipes(struct drm_device *dev, |
4584 | unsigned *prepare_pipes) |
4958 | unsigned *prepare_pipes) |
4585 | { |
4959 | { |
4586 | struct drm_i915_private *dev_priv = dev->dev_private; |
4960 | struct drm_i915_private *dev_priv = dev->dev_private; |
4587 | struct intel_crtc *intel_crtc; |
4961 | struct intel_crtc *intel_crtc; |
4588 | int max_pixclk = intel_mode_max_pixclk(dev_priv); |
4962 | int max_pixclk = intel_mode_max_pixclk(dev_priv); |
4589 | 4963 | ||
4590 | if (valleyview_calc_cdclk(dev_priv, max_pixclk) == |
4964 | if (valleyview_calc_cdclk(dev_priv, max_pixclk) == |
4591 | dev_priv->vlv_cdclk_freq) |
4965 | dev_priv->vlv_cdclk_freq) |
4592 | return; |
4966 | return; |
4593 | 4967 | ||
4594 | /* disable/enable all currently active pipes while we change cdclk */ |
4968 | /* disable/enable all currently active pipes while we change cdclk */ |
4595 | for_each_intel_crtc(dev, intel_crtc) |
4969 | for_each_intel_crtc(dev, intel_crtc) |
4596 | if (intel_crtc->base.enabled) |
4970 | if (intel_crtc->base.enabled) |
4597 | *prepare_pipes |= (1 << intel_crtc->pipe); |
4971 | *prepare_pipes |= (1 << intel_crtc->pipe); |
4598 | } |
4972 | } |
4599 | 4973 | ||
4600 | static void valleyview_modeset_global_resources(struct drm_device *dev) |
4974 | static void valleyview_modeset_global_resources(struct drm_device *dev) |
4601 | { |
4975 | { |
4602 | struct drm_i915_private *dev_priv = dev->dev_private; |
4976 | struct drm_i915_private *dev_priv = dev->dev_private; |
4603 | int max_pixclk = intel_mode_max_pixclk(dev_priv); |
4977 | int max_pixclk = intel_mode_max_pixclk(dev_priv); |
4604 | int req_cdclk = valleyview_calc_cdclk(dev_priv, max_pixclk); |
4978 | int req_cdclk = valleyview_calc_cdclk(dev_priv, max_pixclk); |
4605 | 4979 | ||
- | 4980 | if (req_cdclk != dev_priv->vlv_cdclk_freq) { |
|
- | 4981 | /* |
|
- | 4982 | * FIXME: We can end up here with all power domains off, yet |
|
- | 4983 | * with a CDCLK frequency other than the minimum. To account |
|
- | 4984 | * for this take the PIPE-A power domain, which covers the HW |
|
- | 4985 | * blocks needed for the following programming. This can be |
|
- | 4986 | * removed once it's guaranteed that we get here either with |
|
- | 4987 | * the minimum CDCLK set, or the required power domains |
|
- | 4988 | * enabled. |
|
- | 4989 | */ |
|
- | 4990 | intel_display_power_get(dev_priv, POWER_DOMAIN_PIPE_A); |
|
- | 4991 | ||
- | 4992 | if (IS_CHERRYVIEW(dev)) |
|
- | 4993 | cherryview_set_cdclk(dev, req_cdclk); |
|
4606 | if (req_cdclk != dev_priv->vlv_cdclk_freq) |
4994 | else |
- | 4995 | valleyview_set_cdclk(dev, req_cdclk); |
|
4607 | valleyview_set_cdclk(dev, req_cdclk); |
4996 | |
- | 4997 | intel_display_power_put(dev_priv, POWER_DOMAIN_PIPE_A); |
|
4608 | modeset_update_crtc_power_domains(dev); |
4998 | } |
4609 | } |
4999 | } |
4610 | 5000 | ||
4611 | static void valleyview_crtc_enable(struct drm_crtc *crtc) |
5001 | static void valleyview_crtc_enable(struct drm_crtc *crtc) |
4612 | { |
5002 | { |
4613 | struct drm_device *dev = crtc->dev; |
5003 | struct drm_device *dev = crtc->dev; |
4614 | struct drm_i915_private *dev_priv = dev->dev_private; |
5004 | struct drm_i915_private *dev_priv = to_i915(dev); |
4615 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
5005 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4616 | struct intel_encoder *encoder; |
5006 | struct intel_encoder *encoder; |
4617 | int pipe = intel_crtc->pipe; |
5007 | int pipe = intel_crtc->pipe; |
4618 | int plane = intel_crtc->plane; |
- | |
4619 | bool is_dsi; |
5008 | bool is_dsi; |
4620 | u32 dspcntr; |
- | |
4621 | 5009 | ||
4622 | WARN_ON(!crtc->enabled); |
5010 | WARN_ON(!crtc->enabled); |
4623 | 5011 | ||
4624 | if (intel_crtc->active) |
5012 | if (intel_crtc->active) |
4625 | return; |
5013 | return; |
4626 | 5014 | ||
4627 | is_dsi = intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI); |
- | |
4628 | - | ||
4629 | if (!is_dsi && !IS_CHERRYVIEW(dev)) |
- | |
- | 5015 | is_dsi = intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI); |
|
- | 5016 | ||
4630 | vlv_prepare_pll(intel_crtc); |
5017 | if (!is_dsi) { |
- | 5018 | if (IS_CHERRYVIEW(dev)) |
|
4631 | 5019 | chv_prepare_pll(intel_crtc, &intel_crtc->config); |
|
- | 5020 | else |
|
4632 | /* Set up the display plane register */ |
5021 | vlv_prepare_pll(intel_crtc, &intel_crtc->config); |
4633 | dspcntr = DISPPLANE_GAMMA_ENABLE; |
5022 | } |
4634 | 5023 | ||
4635 | if (intel_crtc->config.has_dp_encoder) |
5024 | if (intel_crtc->config.has_dp_encoder) |
4636 | intel_dp_set_m_n(intel_crtc); |
5025 | intel_dp_set_m_n(intel_crtc); |
4637 | 5026 | ||
4638 | intel_set_pipe_timings(intel_crtc); |
5027 | intel_set_pipe_timings(intel_crtc); |
4639 | - | ||
4640 | /* pipesrc and dspsize control the size that is scaled from, |
- | |
4641 | * which should always be the user's requested size. |
- | |
4642 | */ |
- | |
4643 | I915_WRITE(DSPSIZE(plane), |
5028 | |
4644 | ((intel_crtc->config.pipe_src_h - 1) << 16) | |
5029 | if (IS_CHERRYVIEW(dev) && pipe == PIPE_B) { |
4645 | (intel_crtc->config.pipe_src_w - 1)); |
- | |
4646 | I915_WRITE(DSPPOS(plane), 0); |
- | |
4647 | - | ||
4648 | i9xx_set_pipeconf(intel_crtc); |
5030 | struct drm_i915_private *dev_priv = dev->dev_private; |
4649 | 5031 | ||
- | 5032 | I915_WRITE(CHV_BLEND(pipe), CHV_BLEND_LEGACY); |
|
4650 | I915_WRITE(DSPCNTR(plane), dspcntr); |
- | |
4651 | POSTING_READ(DSPCNTR(plane)); |
5033 | I915_WRITE(CHV_CANVAS(pipe), 0); |
4652 | 5034 | } |
|
4653 | dev_priv->display.update_primary_plane(crtc, crtc->primary->fb, |
5035 | |
4654 | crtc->x, crtc->y); |
5036 | i9xx_set_pipeconf(intel_crtc); |
4655 | 5037 | ||
4656 | intel_crtc->active = true; |
5038 | intel_crtc->active = true; |
4657 | 5039 | ||
4658 | intel_set_cpu_fifo_underrun_reporting(dev, pipe, true); |
5040 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4659 | 5041 | ||
4660 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5042 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4661 | if (encoder->pre_pll_enable) |
5043 | if (encoder->pre_pll_enable) |
4662 | encoder->pre_pll_enable(encoder); |
5044 | encoder->pre_pll_enable(encoder); |
4663 | 5045 | ||
4664 | if (!is_dsi) { |
5046 | if (!is_dsi) { |
4665 | if (IS_CHERRYVIEW(dev)) |
5047 | if (IS_CHERRYVIEW(dev)) |
4666 | chv_enable_pll(intel_crtc); |
5048 | chv_enable_pll(intel_crtc, &intel_crtc->config); |
4667 | else |
5049 | else |
4668 | vlv_enable_pll(intel_crtc); |
5050 | vlv_enable_pll(intel_crtc, &intel_crtc->config); |
4669 | } |
5051 | } |
4670 | 5052 | ||
4671 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5053 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4672 | if (encoder->pre_enable) |
5054 | if (encoder->pre_enable) |
4673 | encoder->pre_enable(encoder); |
5055 | encoder->pre_enable(encoder); |
4674 | 5056 | ||
4675 | i9xx_pfit_enable(intel_crtc); |
5057 | i9xx_pfit_enable(intel_crtc); |
4676 | 5058 | ||
4677 | intel_crtc_load_lut(crtc); |
5059 | intel_crtc_load_lut(crtc); |
4678 | 5060 | ||
4679 | intel_update_watermarks(crtc); |
5061 | intel_update_watermarks(crtc); |
4680 | intel_enable_pipe(intel_crtc); |
5062 | intel_enable_pipe(intel_crtc); |
4681 | 5063 | ||
4682 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5064 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4683 | encoder->enable(encoder); |
5065 | encoder->enable(encoder); |
- | 5066 | ||
- | 5067 | assert_vblank_disabled(crtc); |
|
- | 5068 | drm_crtc_vblank_on(crtc); |
|
4684 | 5069 | ||
4685 | intel_crtc_enable_planes(crtc); |
5070 | intel_crtc_enable_planes(crtc); |
4686 | 5071 | ||
4687 | /* Underruns don't raise interrupts, so check manually. */ |
5072 | /* Underruns don't raise interrupts, so check manually. */ |
4688 | i9xx_check_fifo_underruns(dev); |
5073 | i9xx_check_fifo_underruns(dev_priv); |
4689 | } |
5074 | } |
4690 | 5075 | ||
4691 | static void i9xx_set_pll_dividers(struct intel_crtc *crtc) |
5076 | static void i9xx_set_pll_dividers(struct intel_crtc *crtc) |
4692 | { |
5077 | { |
4693 | struct drm_device *dev = crtc->base.dev; |
5078 | struct drm_device *dev = crtc->base.dev; |
4694 | struct drm_i915_private *dev_priv = dev->dev_private; |
5079 | struct drm_i915_private *dev_priv = dev->dev_private; |
4695 | 5080 | ||
4696 | I915_WRITE(FP0(crtc->pipe), crtc->config.dpll_hw_state.fp0); |
5081 | I915_WRITE(FP0(crtc->pipe), crtc->config.dpll_hw_state.fp0); |
4697 | I915_WRITE(FP1(crtc->pipe), crtc->config.dpll_hw_state.fp1); |
5082 | I915_WRITE(FP1(crtc->pipe), crtc->config.dpll_hw_state.fp1); |
4698 | } |
5083 | } |
4699 | 5084 | ||
4700 | static void i9xx_crtc_enable(struct drm_crtc *crtc) |
5085 | static void i9xx_crtc_enable(struct drm_crtc *crtc) |
4701 | { |
5086 | { |
4702 | struct drm_device *dev = crtc->dev; |
5087 | struct drm_device *dev = crtc->dev; |
4703 | struct drm_i915_private *dev_priv = dev->dev_private; |
5088 | struct drm_i915_private *dev_priv = to_i915(dev); |
4704 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
5089 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4705 | struct intel_encoder *encoder; |
5090 | struct intel_encoder *encoder; |
4706 | int pipe = intel_crtc->pipe; |
5091 | int pipe = intel_crtc->pipe; |
4707 | int plane = intel_crtc->plane; |
- | |
4708 | u32 dspcntr; |
- | |
4709 | 5092 | ||
4710 | WARN_ON(!crtc->enabled); |
5093 | WARN_ON(!crtc->enabled); |
4711 | 5094 | ||
4712 | if (intel_crtc->active) |
5095 | if (intel_crtc->active) |
4713 | return; |
5096 | return; |
4714 | 5097 | ||
4715 | i9xx_set_pll_dividers(intel_crtc); |
5098 | i9xx_set_pll_dividers(intel_crtc); |
4716 | - | ||
4717 | /* Set up the display plane register */ |
- | |
4718 | dspcntr = DISPPLANE_GAMMA_ENABLE; |
- | |
4719 | - | ||
4720 | if (pipe == 0) |
- | |
4721 | dspcntr &= ~DISPPLANE_SEL_PIPE_MASK; |
- | |
4722 | else |
- | |
4723 | dspcntr |= DISPPLANE_SEL_PIPE_B; |
- | |
4724 | 5099 | ||
4725 | if (intel_crtc->config.has_dp_encoder) |
5100 | if (intel_crtc->config.has_dp_encoder) |
4726 | intel_dp_set_m_n(intel_crtc); |
5101 | intel_dp_set_m_n(intel_crtc); |
4727 | 5102 | ||
4728 | intel_set_pipe_timings(intel_crtc); |
5103 | intel_set_pipe_timings(intel_crtc); |
4729 | - | ||
4730 | /* pipesrc and dspsize control the size that is scaled from, |
- | |
4731 | * which should always be the user's requested size. |
- | |
4732 | */ |
- | |
4733 | I915_WRITE(DSPSIZE(plane), |
- | |
4734 | ((intel_crtc->config.pipe_src_h - 1) << 16) | |
- | |
4735 | (intel_crtc->config.pipe_src_w - 1)); |
- | |
4736 | I915_WRITE(DSPPOS(plane), 0); |
- | |
4737 | 5104 | ||
4738 | i9xx_set_pipeconf(intel_crtc); |
- | |
4739 | - | ||
4740 | I915_WRITE(DSPCNTR(plane), dspcntr); |
- | |
4741 | POSTING_READ(DSPCNTR(plane)); |
- | |
4742 | - | ||
4743 | dev_priv->display.update_primary_plane(crtc, crtc->primary->fb, |
- | |
4744 | crtc->x, crtc->y); |
5105 | i9xx_set_pipeconf(intel_crtc); |
4745 | 5106 | ||
4746 | intel_crtc->active = true; |
5107 | intel_crtc->active = true; |
4747 | 5108 | ||
4748 | if (!IS_GEN2(dev)) |
5109 | if (!IS_GEN2(dev)) |
4749 | intel_set_cpu_fifo_underrun_reporting(dev, pipe, true); |
5110 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4750 | 5111 | ||
4751 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5112 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4752 | if (encoder->pre_enable) |
5113 | if (encoder->pre_enable) |
4753 | encoder->pre_enable(encoder); |
5114 | encoder->pre_enable(encoder); |
4754 | 5115 | ||
4755 | i9xx_enable_pll(intel_crtc); |
5116 | i9xx_enable_pll(intel_crtc); |
4756 | 5117 | ||
4757 | i9xx_pfit_enable(intel_crtc); |
5118 | i9xx_pfit_enable(intel_crtc); |
4758 | 5119 | ||
4759 | intel_crtc_load_lut(crtc); |
5120 | intel_crtc_load_lut(crtc); |
4760 | 5121 | ||
4761 | intel_update_watermarks(crtc); |
5122 | intel_update_watermarks(crtc); |
4762 | intel_enable_pipe(intel_crtc); |
5123 | intel_enable_pipe(intel_crtc); |
4763 | 5124 | ||
4764 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5125 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4765 | encoder->enable(encoder); |
5126 | encoder->enable(encoder); |
- | 5127 | ||
- | 5128 | assert_vblank_disabled(crtc); |
|
- | 5129 | drm_crtc_vblank_on(crtc); |
|
4766 | 5130 | ||
4767 | intel_crtc_enable_planes(crtc); |
5131 | intel_crtc_enable_planes(crtc); |
4768 | 5132 | ||
4769 | /* |
5133 | /* |
4770 | * Gen2 reports pipe underruns whenever all planes are disabled. |
5134 | * Gen2 reports pipe underruns whenever all planes are disabled. |
4771 | * So don't enable underrun reporting before at least some planes |
5135 | * So don't enable underrun reporting before at least some planes |
4772 | * are enabled. |
5136 | * are enabled. |
4773 | * FIXME: Need to fix the logic to work when we turn off all planes |
5137 | * FIXME: Need to fix the logic to work when we turn off all planes |
4774 | * but leave the pipe running. |
5138 | * but leave the pipe running. |
4775 | */ |
5139 | */ |
4776 | if (IS_GEN2(dev)) |
5140 | if (IS_GEN2(dev)) |
4777 | intel_set_cpu_fifo_underrun_reporting(dev, pipe, true); |
5141 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4778 | 5142 | ||
4779 | /* Underruns don't raise interrupts, so check manually. */ |
5143 | /* Underruns don't raise interrupts, so check manually. */ |
4780 | i9xx_check_fifo_underruns(dev); |
5144 | i9xx_check_fifo_underruns(dev_priv); |
4781 | } |
5145 | } |
4782 | 5146 | ||
4783 | static void i9xx_pfit_disable(struct intel_crtc *crtc) |
5147 | static void i9xx_pfit_disable(struct intel_crtc *crtc) |
4784 | { |
5148 | { |
4785 | struct drm_device *dev = crtc->base.dev; |
5149 | struct drm_device *dev = crtc->base.dev; |
4786 | struct drm_i915_private *dev_priv = dev->dev_private; |
5150 | struct drm_i915_private *dev_priv = dev->dev_private; |
4787 | 5151 | ||
4788 | if (!crtc->config.gmch_pfit.control) |
5152 | if (!crtc->config.gmch_pfit.control) |
4789 | return; |
5153 | return; |
4790 | 5154 | ||
4791 | assert_pipe_disabled(dev_priv, crtc->pipe); |
5155 | assert_pipe_disabled(dev_priv, crtc->pipe); |
4792 | 5156 | ||
4793 | DRM_DEBUG_DRIVER("disabling pfit, current: 0x%08x\n", |
5157 | DRM_DEBUG_DRIVER("disabling pfit, current: 0x%08x\n", |
4794 | I915_READ(PFIT_CONTROL)); |
5158 | I915_READ(PFIT_CONTROL)); |
4795 | I915_WRITE(PFIT_CONTROL, 0); |
5159 | I915_WRITE(PFIT_CONTROL, 0); |
4796 | } |
5160 | } |
4797 | 5161 | ||
4798 | static void i9xx_crtc_disable(struct drm_crtc *crtc) |
5162 | static void i9xx_crtc_disable(struct drm_crtc *crtc) |
4799 | { |
5163 | { |
4800 | struct drm_device *dev = crtc->dev; |
5164 | struct drm_device *dev = crtc->dev; |
4801 | struct drm_i915_private *dev_priv = dev->dev_private; |
5165 | struct drm_i915_private *dev_priv = dev->dev_private; |
4802 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
5166 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4803 | struct intel_encoder *encoder; |
5167 | struct intel_encoder *encoder; |
4804 | int pipe = intel_crtc->pipe; |
5168 | int pipe = intel_crtc->pipe; |
4805 | 5169 | ||
4806 | if (!intel_crtc->active) |
5170 | if (!intel_crtc->active) |
4807 | return; |
5171 | return; |
4808 | 5172 | ||
4809 | /* |
5173 | /* |
4810 | * Gen2 reports pipe underruns whenever all planes are disabled. |
5174 | * Gen2 reports pipe underruns whenever all planes are disabled. |
4811 | * So diasble underrun reporting before all the planes get disabled. |
5175 | * So diasble underrun reporting before all the planes get disabled. |
4812 | * FIXME: Need to fix the logic to work when we turn off all planes |
5176 | * FIXME: Need to fix the logic to work when we turn off all planes |
4813 | * but leave the pipe running. |
5177 | * but leave the pipe running. |
4814 | */ |
5178 | */ |
4815 | if (IS_GEN2(dev)) |
5179 | if (IS_GEN2(dev)) |
4816 | intel_set_cpu_fifo_underrun_reporting(dev, pipe, false); |
5180 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); |
4817 | 5181 | ||
4818 | /* |
5182 | /* |
4819 | * Vblank time updates from the shadow to live plane control register |
5183 | * Vblank time updates from the shadow to live plane control register |
4820 | * are blocked if the memory self-refresh mode is active at that |
5184 | * are blocked if the memory self-refresh mode is active at that |
4821 | * moment. So to make sure the plane gets truly disabled, disable |
5185 | * moment. So to make sure the plane gets truly disabled, disable |
4822 | * first the self-refresh mode. The self-refresh enable bit in turn |
5186 | * first the self-refresh mode. The self-refresh enable bit in turn |
4823 | * will be checked/applied by the HW only at the next frame start |
5187 | * will be checked/applied by the HW only at the next frame start |
4824 | * event which is after the vblank start event, so we need to have a |
5188 | * event which is after the vblank start event, so we need to have a |
4825 | * wait-for-vblank between disabling the plane and the pipe. |
5189 | * wait-for-vblank between disabling the plane and the pipe. |
4826 | */ |
5190 | */ |
4827 | intel_set_memory_cxsr(dev_priv, false); |
5191 | intel_set_memory_cxsr(dev_priv, false); |
4828 | intel_crtc_disable_planes(crtc); |
5192 | intel_crtc_disable_planes(crtc); |
4829 | - | ||
4830 | for_each_encoder_on_crtc(dev, crtc, encoder) |
- | |
4831 | encoder->disable(encoder); |
- | |
4832 | 5193 | ||
4833 | /* |
5194 | /* |
4834 | * On gen2 planes are double buffered but the pipe isn't, so we must |
5195 | * On gen2 planes are double buffered but the pipe isn't, so we must |
4835 | * wait for planes to fully turn off before disabling the pipe. |
5196 | * wait for planes to fully turn off before disabling the pipe. |
4836 | * We also need to wait on all gmch platforms because of the |
5197 | * We also need to wait on all gmch platforms because of the |
4837 | * self-refresh mode constraint explained above. |
5198 | * self-refresh mode constraint explained above. |
4838 | */ |
5199 | */ |
4839 | intel_wait_for_vblank(dev, pipe); |
5200 | intel_wait_for_vblank(dev, pipe); |
- | 5201 | ||
- | 5202 | drm_crtc_vblank_off(crtc); |
|
- | 5203 | assert_vblank_disabled(crtc); |
|
- | 5204 | ||
- | 5205 | for_each_encoder_on_crtc(dev, crtc, encoder) |
|
- | 5206 | encoder->disable(encoder); |
|
4840 | 5207 | ||
4841 | intel_disable_pipe(dev_priv, pipe); |
5208 | intel_disable_pipe(intel_crtc); |
4842 | 5209 | ||
4843 | i9xx_pfit_disable(intel_crtc); |
5210 | i9xx_pfit_disable(intel_crtc); |
4844 | 5211 | ||
4845 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5212 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4846 | if (encoder->post_disable) |
5213 | if (encoder->post_disable) |
4847 | encoder->post_disable(encoder); |
5214 | encoder->post_disable(encoder); |
4848 | 5215 | ||
4849 | if (!intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI)) { |
5216 | if (!intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI)) { |
4850 | if (IS_CHERRYVIEW(dev)) |
5217 | if (IS_CHERRYVIEW(dev)) |
4851 | chv_disable_pll(dev_priv, pipe); |
5218 | chv_disable_pll(dev_priv, pipe); |
4852 | else if (IS_VALLEYVIEW(dev)) |
5219 | else if (IS_VALLEYVIEW(dev)) |
4853 | vlv_disable_pll(dev_priv, pipe); |
5220 | vlv_disable_pll(dev_priv, pipe); |
4854 | else |
5221 | else |
4855 | i9xx_disable_pll(dev_priv, pipe); |
5222 | i9xx_disable_pll(intel_crtc); |
4856 | } |
5223 | } |
4857 | 5224 | ||
4858 | if (!IS_GEN2(dev)) |
5225 | if (!IS_GEN2(dev)) |
4859 | intel_set_cpu_fifo_underrun_reporting(dev, pipe, false); |
5226 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); |
4860 | 5227 | ||
4861 | intel_crtc->active = false; |
5228 | intel_crtc->active = false; |
4862 | intel_update_watermarks(crtc); |
5229 | intel_update_watermarks(crtc); |
4863 | 5230 | ||
4864 | mutex_lock(&dev->struct_mutex); |
5231 | mutex_lock(&dev->struct_mutex); |
4865 | intel_update_fbc(dev); |
5232 | intel_update_fbc(dev); |
4866 | mutex_unlock(&dev->struct_mutex); |
5233 | mutex_unlock(&dev->struct_mutex); |
4867 | } |
5234 | } |
4868 | 5235 | ||
4869 | static void i9xx_crtc_off(struct drm_crtc *crtc) |
5236 | static void i9xx_crtc_off(struct drm_crtc *crtc) |
4870 | { |
5237 | { |
4871 | } |
5238 | } |
4872 | - | ||
4873 | static void intel_crtc_update_sarea(struct drm_crtc *crtc, |
- | |
4874 | bool enabled) |
- | |
4875 | { |
- | |
4876 | struct drm_device *dev = crtc->dev; |
- | |
4877 | struct drm_i915_master_private *master_priv; |
- | |
4878 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
- | |
4879 | int pipe = intel_crtc->pipe; |
- | |
4880 | - | ||
4881 | - | ||
4882 | #if 0 |
- | |
4883 | if (!dev->primary->master) |
- | |
4884 | return; |
- | |
4885 | - | ||
4886 | master_priv = dev->primary->master->driver_priv; |
- | |
4887 | if (!master_priv->sarea_priv) |
- | |
4888 | return; |
- | |
4889 | - | ||
4890 | switch (pipe) { |
- | |
4891 | case 0: |
- | |
4892 | master_priv->sarea_priv->pipeA_w = enabled ? crtc->mode.hdisplay : 0; |
- | |
4893 | master_priv->sarea_priv->pipeA_h = enabled ? crtc->mode.vdisplay : 0; |
- | |
4894 | break; |
- | |
4895 | case 1: |
- | |
4896 | master_priv->sarea_priv->pipeB_w = enabled ? crtc->mode.hdisplay : 0; |
- | |
4897 | master_priv->sarea_priv->pipeB_h = enabled ? crtc->mode.vdisplay : 0; |
- | |
4898 | break; |
- | |
4899 | default: |
- | |
4900 | DRM_ERROR("Can't update pipe %c in SAREA\n", pipe_name(pipe)); |
- | |
4901 | break; |
- | |
4902 | } |
- | |
4903 | #endif |
- | |
4904 | } |
- | |
4905 | 5239 | ||
4906 | /* Master function to enable/disable CRTC and corresponding power wells */ |
5240 | /* Master function to enable/disable CRTC and corresponding power wells */ |
4907 | void intel_crtc_control(struct drm_crtc *crtc, bool enable) |
5241 | void intel_crtc_control(struct drm_crtc *crtc, bool enable) |
4908 | { |
5242 | { |
4909 | struct drm_device *dev = crtc->dev; |
5243 | struct drm_device *dev = crtc->dev; |
4910 | struct drm_i915_private *dev_priv = dev->dev_private; |
5244 | struct drm_i915_private *dev_priv = dev->dev_private; |
4911 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
5245 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4912 | enum intel_display_power_domain domain; |
5246 | enum intel_display_power_domain domain; |
4913 | unsigned long domains; |
5247 | unsigned long domains; |
4914 | 5248 | ||
4915 | if (enable) { |
5249 | if (enable) { |
4916 | if (!intel_crtc->active) { |
5250 | if (!intel_crtc->active) { |
4917 | domains = get_crtc_power_domains(crtc); |
5251 | domains = get_crtc_power_domains(crtc); |
4918 | for_each_power_domain(domain, domains) |
5252 | for_each_power_domain(domain, domains) |
4919 | intel_display_power_get(dev_priv, domain); |
5253 | intel_display_power_get(dev_priv, domain); |
4920 | intel_crtc->enabled_power_domains = domains; |
5254 | intel_crtc->enabled_power_domains = domains; |
4921 | 5255 | ||
4922 | dev_priv->display.crtc_enable(crtc); |
5256 | dev_priv->display.crtc_enable(crtc); |
4923 | } |
5257 | } |
4924 | } else { |
5258 | } else { |
4925 | if (intel_crtc->active) { |
5259 | if (intel_crtc->active) { |
4926 | dev_priv->display.crtc_disable(crtc); |
5260 | dev_priv->display.crtc_disable(crtc); |
4927 | 5261 | ||
4928 | domains = intel_crtc->enabled_power_domains; |
5262 | domains = intel_crtc->enabled_power_domains; |
4929 | for_each_power_domain(domain, domains) |
5263 | for_each_power_domain(domain, domains) |
4930 | intel_display_power_put(dev_priv, domain); |
5264 | intel_display_power_put(dev_priv, domain); |
4931 | intel_crtc->enabled_power_domains = 0; |
5265 | intel_crtc->enabled_power_domains = 0; |
4932 | } |
5266 | } |
4933 | } |
5267 | } |
4934 | } |
5268 | } |
4935 | 5269 | ||
4936 | /** |
5270 | /** |
4937 | * Sets the power management mode of the pipe and plane. |
5271 | * Sets the power management mode of the pipe and plane. |
4938 | */ |
5272 | */ |
4939 | void intel_crtc_update_dpms(struct drm_crtc *crtc) |
5273 | void intel_crtc_update_dpms(struct drm_crtc *crtc) |
4940 | { |
5274 | { |
4941 | struct drm_device *dev = crtc->dev; |
5275 | struct drm_device *dev = crtc->dev; |
4942 | struct intel_encoder *intel_encoder; |
5276 | struct intel_encoder *intel_encoder; |
4943 | bool enable = false; |
5277 | bool enable = false; |
4944 | 5278 | ||
4945 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) |
5279 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) |
4946 | enable |= intel_encoder->connectors_active; |
5280 | enable |= intel_encoder->connectors_active; |
4947 | 5281 | ||
4948 | intel_crtc_control(crtc, enable); |
5282 | intel_crtc_control(crtc, enable); |
4949 | - | ||
4950 | intel_crtc_update_sarea(crtc, enable); |
- | |
4951 | } |
5283 | } |
4952 | 5284 | ||
4953 | static void intel_crtc_disable(struct drm_crtc *crtc) |
5285 | static void intel_crtc_disable(struct drm_crtc *crtc) |
4954 | { |
5286 | { |
4955 | struct drm_device *dev = crtc->dev; |
5287 | struct drm_device *dev = crtc->dev; |
4956 | struct drm_connector *connector; |
5288 | struct drm_connector *connector; |
4957 | struct drm_i915_private *dev_priv = dev->dev_private; |
5289 | struct drm_i915_private *dev_priv = dev->dev_private; |
4958 | struct drm_i915_gem_object *old_obj = intel_fb_obj(crtc->primary->fb); |
5290 | struct drm_i915_gem_object *old_obj = intel_fb_obj(crtc->primary->fb); |
4959 | enum pipe pipe = to_intel_crtc(crtc)->pipe; |
5291 | enum pipe pipe = to_intel_crtc(crtc)->pipe; |
4960 | 5292 | ||
4961 | /* crtc should still be enabled when we disable it. */ |
5293 | /* crtc should still be enabled when we disable it. */ |
4962 | WARN_ON(!crtc->enabled); |
5294 | WARN_ON(!crtc->enabled); |
4963 | 5295 | ||
4964 | dev_priv->display.crtc_disable(crtc); |
5296 | dev_priv->display.crtc_disable(crtc); |
4965 | intel_crtc_update_sarea(crtc, false); |
- | |
4966 | dev_priv->display.off(crtc); |
5297 | dev_priv->display.off(crtc); |
4967 | 5298 | ||
4968 | if (crtc->primary->fb) { |
5299 | if (crtc->primary->fb) { |
4969 | mutex_lock(&dev->struct_mutex); |
5300 | mutex_lock(&dev->struct_mutex); |
4970 | intel_unpin_fb_obj(old_obj); |
5301 | intel_unpin_fb_obj(old_obj); |
4971 | i915_gem_track_fb(old_obj, NULL, |
5302 | i915_gem_track_fb(old_obj, NULL, |
4972 | INTEL_FRONTBUFFER_PRIMARY(pipe)); |
5303 | INTEL_FRONTBUFFER_PRIMARY(pipe)); |
4973 | mutex_unlock(&dev->struct_mutex); |
5304 | mutex_unlock(&dev->struct_mutex); |
4974 | crtc->primary->fb = NULL; |
5305 | crtc->primary->fb = NULL; |
4975 | } |
5306 | } |
4976 | 5307 | ||
4977 | /* Update computed state. */ |
5308 | /* Update computed state. */ |
4978 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
5309 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
4979 | if (!connector->encoder || !connector->encoder->crtc) |
5310 | if (!connector->encoder || !connector->encoder->crtc) |
4980 | continue; |
5311 | continue; |
4981 | 5312 | ||
4982 | if (connector->encoder->crtc != crtc) |
5313 | if (connector->encoder->crtc != crtc) |
4983 | continue; |
5314 | continue; |
4984 | 5315 | ||
4985 | connector->dpms = DRM_MODE_DPMS_OFF; |
5316 | connector->dpms = DRM_MODE_DPMS_OFF; |
4986 | to_intel_encoder(connector->encoder)->connectors_active = false; |
5317 | to_intel_encoder(connector->encoder)->connectors_active = false; |
4987 | } |
5318 | } |
4988 | } |
5319 | } |
4989 | 5320 | ||
4990 | void intel_encoder_destroy(struct drm_encoder *encoder) |
5321 | void intel_encoder_destroy(struct drm_encoder *encoder) |
4991 | { |
5322 | { |
4992 | struct intel_encoder *intel_encoder = to_intel_encoder(encoder); |
5323 | struct intel_encoder *intel_encoder = to_intel_encoder(encoder); |
4993 | 5324 | ||
4994 | drm_encoder_cleanup(encoder); |
5325 | drm_encoder_cleanup(encoder); |
4995 | kfree(intel_encoder); |
5326 | kfree(intel_encoder); |
4996 | } |
5327 | } |
4997 | 5328 | ||
4998 | /* Simple dpms helper for encoders with just one connector, no cloning and only |
5329 | /* Simple dpms helper for encoders with just one connector, no cloning and only |
4999 | * one kind of off state. It clamps all !ON modes to fully OFF and changes the |
5330 | * one kind of off state. It clamps all !ON modes to fully OFF and changes the |
5000 | * state of the entire output pipe. */ |
5331 | * state of the entire output pipe. */ |
5001 | static void intel_encoder_dpms(struct intel_encoder *encoder, int mode) |
5332 | static void intel_encoder_dpms(struct intel_encoder *encoder, int mode) |
5002 | { |
5333 | { |
5003 | if (mode == DRM_MODE_DPMS_ON) { |
5334 | if (mode == DRM_MODE_DPMS_ON) { |
5004 | encoder->connectors_active = true; |
5335 | encoder->connectors_active = true; |
5005 | 5336 | ||
5006 | intel_crtc_update_dpms(encoder->base.crtc); |
5337 | intel_crtc_update_dpms(encoder->base.crtc); |
5007 | } else { |
5338 | } else { |
5008 | encoder->connectors_active = false; |
5339 | encoder->connectors_active = false; |
5009 | 5340 | ||
5010 | intel_crtc_update_dpms(encoder->base.crtc); |
5341 | intel_crtc_update_dpms(encoder->base.crtc); |
5011 | } |
5342 | } |
5012 | } |
5343 | } |
5013 | 5344 | ||
5014 | /* Cross check the actual hw state with our own modeset state tracking (and it's |
5345 | /* Cross check the actual hw state with our own modeset state tracking (and it's |
5015 | * internal consistency). */ |
5346 | * internal consistency). */ |
5016 | static void intel_connector_check_state(struct intel_connector *connector) |
5347 | static void intel_connector_check_state(struct intel_connector *connector) |
5017 | { |
5348 | { |
5018 | if (connector->get_hw_state(connector)) { |
5349 | if (connector->get_hw_state(connector)) { |
5019 | struct intel_encoder *encoder = connector->encoder; |
5350 | struct intel_encoder *encoder = connector->encoder; |
5020 | struct drm_crtc *crtc; |
5351 | struct drm_crtc *crtc; |
5021 | bool encoder_enabled; |
5352 | bool encoder_enabled; |
5022 | enum pipe pipe; |
5353 | enum pipe pipe; |
5023 | 5354 | ||
5024 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
5355 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
5025 | connector->base.base.id, |
5356 | connector->base.base.id, |
5026 | connector->base.name); |
5357 | connector->base.name); |
5027 | 5358 | ||
5028 | /* there is no real hw state for MST connectors */ |
5359 | /* there is no real hw state for MST connectors */ |
5029 | if (connector->mst_port) |
5360 | if (connector->mst_port) |
5030 | return; |
5361 | return; |
5031 | 5362 | ||
5032 | WARN(connector->base.dpms == DRM_MODE_DPMS_OFF, |
5363 | WARN(connector->base.dpms == DRM_MODE_DPMS_OFF, |
5033 | "wrong connector dpms state\n"); |
5364 | "wrong connector dpms state\n"); |
5034 | WARN(connector->base.encoder != &encoder->base, |
5365 | WARN(connector->base.encoder != &encoder->base, |
5035 | "active connector not linked to encoder\n"); |
5366 | "active connector not linked to encoder\n"); |
5036 | 5367 | ||
5037 | if (encoder) { |
5368 | if (encoder) { |
5038 | WARN(!encoder->connectors_active, |
5369 | WARN(!encoder->connectors_active, |
5039 | "encoder->connectors_active not set\n"); |
5370 | "encoder->connectors_active not set\n"); |
5040 | 5371 | ||
5041 | encoder_enabled = encoder->get_hw_state(encoder, &pipe); |
5372 | encoder_enabled = encoder->get_hw_state(encoder, &pipe); |
5042 | WARN(!encoder_enabled, "encoder not enabled\n"); |
5373 | WARN(!encoder_enabled, "encoder not enabled\n"); |
5043 | if (WARN_ON(!encoder->base.crtc)) |
5374 | if (WARN_ON(!encoder->base.crtc)) |
5044 | return; |
5375 | return; |
5045 | 5376 | ||
5046 | crtc = encoder->base.crtc; |
5377 | crtc = encoder->base.crtc; |
5047 | 5378 | ||
5048 | WARN(!crtc->enabled, "crtc not enabled\n"); |
5379 | WARN(!crtc->enabled, "crtc not enabled\n"); |
5049 | WARN(!to_intel_crtc(crtc)->active, "crtc not active\n"); |
5380 | WARN(!to_intel_crtc(crtc)->active, "crtc not active\n"); |
5050 | WARN(pipe != to_intel_crtc(crtc)->pipe, |
5381 | WARN(pipe != to_intel_crtc(crtc)->pipe, |
5051 | "encoder active on the wrong pipe\n"); |
5382 | "encoder active on the wrong pipe\n"); |
5052 | } |
5383 | } |
5053 | } |
5384 | } |
5054 | } |
5385 | } |
5055 | 5386 | ||
5056 | /* Even simpler default implementation, if there's really no special case to |
5387 | /* Even simpler default implementation, if there's really no special case to |
5057 | * consider. */ |
5388 | * consider. */ |
5058 | void intel_connector_dpms(struct drm_connector *connector, int mode) |
5389 | void intel_connector_dpms(struct drm_connector *connector, int mode) |
5059 | { |
5390 | { |
5060 | /* All the simple cases only support two dpms states. */ |
5391 | /* All the simple cases only support two dpms states. */ |
5061 | if (mode != DRM_MODE_DPMS_ON) |
5392 | if (mode != DRM_MODE_DPMS_ON) |
5062 | mode = DRM_MODE_DPMS_OFF; |
5393 | mode = DRM_MODE_DPMS_OFF; |
5063 | 5394 | ||
5064 | if (mode == connector->dpms) |
5395 | if (mode == connector->dpms) |
5065 | return; |
5396 | return; |
5066 | 5397 | ||
5067 | connector->dpms = mode; |
5398 | connector->dpms = mode; |
5068 | 5399 | ||
5069 | /* Only need to change hw state when actually enabled */ |
5400 | /* Only need to change hw state when actually enabled */ |
5070 | if (connector->encoder) |
5401 | if (connector->encoder) |
5071 | intel_encoder_dpms(to_intel_encoder(connector->encoder), mode); |
5402 | intel_encoder_dpms(to_intel_encoder(connector->encoder), mode); |
5072 | 5403 | ||
5073 | intel_modeset_check_state(connector->dev); |
5404 | intel_modeset_check_state(connector->dev); |
5074 | } |
5405 | } |
5075 | 5406 | ||
5076 | /* Simple connector->get_hw_state implementation for encoders that support only |
5407 | /* Simple connector->get_hw_state implementation for encoders that support only |
5077 | * one connector and no cloning and hence the encoder state determines the state |
5408 | * one connector and no cloning and hence the encoder state determines the state |
5078 | * of the connector. */ |
5409 | * of the connector. */ |
5079 | bool intel_connector_get_hw_state(struct intel_connector *connector) |
5410 | bool intel_connector_get_hw_state(struct intel_connector *connector) |
5080 | { |
5411 | { |
5081 | enum pipe pipe = 0; |
5412 | enum pipe pipe = 0; |
5082 | struct intel_encoder *encoder = connector->encoder; |
5413 | struct intel_encoder *encoder = connector->encoder; |
5083 | 5414 | ||
5084 | return encoder->get_hw_state(encoder, &pipe); |
5415 | return encoder->get_hw_state(encoder, &pipe); |
5085 | } |
5416 | } |
5086 | 5417 | ||
5087 | static bool ironlake_check_fdi_lanes(struct drm_device *dev, enum pipe pipe, |
5418 | static bool ironlake_check_fdi_lanes(struct drm_device *dev, enum pipe pipe, |
5088 | struct intel_crtc_config *pipe_config) |
5419 | struct intel_crtc_config *pipe_config) |
5089 | { |
5420 | { |
5090 | struct drm_i915_private *dev_priv = dev->dev_private; |
5421 | struct drm_i915_private *dev_priv = dev->dev_private; |
5091 | struct intel_crtc *pipe_B_crtc = |
5422 | struct intel_crtc *pipe_B_crtc = |
5092 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_B]); |
5423 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_B]); |
5093 | 5424 | ||
5094 | DRM_DEBUG_KMS("checking fdi config on pipe %c, lanes %i\n", |
5425 | DRM_DEBUG_KMS("checking fdi config on pipe %c, lanes %i\n", |
5095 | pipe_name(pipe), pipe_config->fdi_lanes); |
5426 | pipe_name(pipe), pipe_config->fdi_lanes); |
5096 | if (pipe_config->fdi_lanes > 4) { |
5427 | if (pipe_config->fdi_lanes > 4) { |
5097 | DRM_DEBUG_KMS("invalid fdi lane config on pipe %c: %i lanes\n", |
5428 | DRM_DEBUG_KMS("invalid fdi lane config on pipe %c: %i lanes\n", |
5098 | pipe_name(pipe), pipe_config->fdi_lanes); |
5429 | pipe_name(pipe), pipe_config->fdi_lanes); |
5099 | return false; |
5430 | return false; |
5100 | } |
5431 | } |
5101 | 5432 | ||
5102 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
5433 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
5103 | if (pipe_config->fdi_lanes > 2) { |
5434 | if (pipe_config->fdi_lanes > 2) { |
5104 | DRM_DEBUG_KMS("only 2 lanes on haswell, required: %i lanes\n", |
5435 | DRM_DEBUG_KMS("only 2 lanes on haswell, required: %i lanes\n", |
5105 | pipe_config->fdi_lanes); |
5436 | pipe_config->fdi_lanes); |
5106 | return false; |
5437 | return false; |
5107 | } else { |
5438 | } else { |
5108 | return true; |
5439 | return true; |
5109 | } |
5440 | } |
5110 | } |
5441 | } |
5111 | 5442 | ||
5112 | if (INTEL_INFO(dev)->num_pipes == 2) |
5443 | if (INTEL_INFO(dev)->num_pipes == 2) |
5113 | return true; |
5444 | return true; |
5114 | 5445 | ||
5115 | /* Ivybridge 3 pipe is really complicated */ |
5446 | /* Ivybridge 3 pipe is really complicated */ |
5116 | switch (pipe) { |
5447 | switch (pipe) { |
5117 | case PIPE_A: |
5448 | case PIPE_A: |
5118 | return true; |
5449 | return true; |
5119 | case PIPE_B: |
5450 | case PIPE_B: |
5120 | if (dev_priv->pipe_to_crtc_mapping[PIPE_C]->enabled && |
5451 | if (dev_priv->pipe_to_crtc_mapping[PIPE_C]->enabled && |
5121 | pipe_config->fdi_lanes > 2) { |
5452 | pipe_config->fdi_lanes > 2) { |
5122 | DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n", |
5453 | DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n", |
5123 | pipe_name(pipe), pipe_config->fdi_lanes); |
5454 | pipe_name(pipe), pipe_config->fdi_lanes); |
5124 | return false; |
5455 | return false; |
5125 | } |
5456 | } |
5126 | return true; |
5457 | return true; |
5127 | case PIPE_C: |
5458 | case PIPE_C: |
5128 | if (!pipe_has_enabled_pch(pipe_B_crtc) || |
5459 | if (!pipe_has_enabled_pch(pipe_B_crtc) || |
5129 | pipe_B_crtc->config.fdi_lanes <= 2) { |
5460 | pipe_B_crtc->config.fdi_lanes <= 2) { |
5130 | if (pipe_config->fdi_lanes > 2) { |
5461 | if (pipe_config->fdi_lanes > 2) { |
5131 | DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n", |
5462 | DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n", |
5132 | pipe_name(pipe), pipe_config->fdi_lanes); |
5463 | pipe_name(pipe), pipe_config->fdi_lanes); |
5133 | return false; |
5464 | return false; |
5134 | } |
5465 | } |
5135 | } else { |
5466 | } else { |
5136 | DRM_DEBUG_KMS("fdi link B uses too many lanes to enable link C\n"); |
5467 | DRM_DEBUG_KMS("fdi link B uses too many lanes to enable link C\n"); |
5137 | return false; |
5468 | return false; |
5138 | } |
5469 | } |
5139 | return true; |
5470 | return true; |
5140 | default: |
5471 | default: |
5141 | BUG(); |
5472 | BUG(); |
5142 | } |
5473 | } |
5143 | } |
5474 | } |
5144 | 5475 | ||
5145 | #define RETRY 1 |
5476 | #define RETRY 1 |
5146 | static int ironlake_fdi_compute_config(struct intel_crtc *intel_crtc, |
5477 | static int ironlake_fdi_compute_config(struct intel_crtc *intel_crtc, |
5147 | struct intel_crtc_config *pipe_config) |
5478 | struct intel_crtc_config *pipe_config) |
5148 | { |
5479 | { |
5149 | struct drm_device *dev = intel_crtc->base.dev; |
5480 | struct drm_device *dev = intel_crtc->base.dev; |
5150 | struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode; |
5481 | struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode; |
5151 | int lane, link_bw, fdi_dotclock; |
5482 | int lane, link_bw, fdi_dotclock; |
5152 | bool setup_ok, needs_recompute = false; |
5483 | bool setup_ok, needs_recompute = false; |
5153 | 5484 | ||
5154 | retry: |
5485 | retry: |
5155 | /* FDI is a binary signal running at ~2.7GHz, encoding |
5486 | /* FDI is a binary signal running at ~2.7GHz, encoding |
5156 | * each output octet as 10 bits. The actual frequency |
5487 | * each output octet as 10 bits. The actual frequency |
5157 | * is stored as a divider into a 100MHz clock, and the |
5488 | * is stored as a divider into a 100MHz clock, and the |
5158 | * mode pixel clock is stored in units of 1KHz. |
5489 | * mode pixel clock is stored in units of 1KHz. |
5159 | * Hence the bw of each lane in terms of the mode signal |
5490 | * Hence the bw of each lane in terms of the mode signal |
5160 | * is: |
5491 | * is: |
5161 | */ |
5492 | */ |
5162 | link_bw = intel_fdi_link_freq(dev) * MHz(100)/KHz(1)/10; |
5493 | link_bw = intel_fdi_link_freq(dev) * MHz(100)/KHz(1)/10; |
5163 | 5494 | ||
5164 | fdi_dotclock = adjusted_mode->crtc_clock; |
5495 | fdi_dotclock = adjusted_mode->crtc_clock; |
5165 | 5496 | ||
5166 | lane = ironlake_get_lanes_required(fdi_dotclock, link_bw, |
5497 | lane = ironlake_get_lanes_required(fdi_dotclock, link_bw, |
5167 | pipe_config->pipe_bpp); |
5498 | pipe_config->pipe_bpp); |
5168 | 5499 | ||
5169 | pipe_config->fdi_lanes = lane; |
5500 | pipe_config->fdi_lanes = lane; |
5170 | 5501 | ||
5171 | intel_link_compute_m_n(pipe_config->pipe_bpp, lane, fdi_dotclock, |
5502 | intel_link_compute_m_n(pipe_config->pipe_bpp, lane, fdi_dotclock, |
5172 | link_bw, &pipe_config->fdi_m_n); |
5503 | link_bw, &pipe_config->fdi_m_n); |
5173 | 5504 | ||
5174 | setup_ok = ironlake_check_fdi_lanes(intel_crtc->base.dev, |
5505 | setup_ok = ironlake_check_fdi_lanes(intel_crtc->base.dev, |
5175 | intel_crtc->pipe, pipe_config); |
5506 | intel_crtc->pipe, pipe_config); |
5176 | if (!setup_ok && pipe_config->pipe_bpp > 6*3) { |
5507 | if (!setup_ok && pipe_config->pipe_bpp > 6*3) { |
5177 | pipe_config->pipe_bpp -= 2*3; |
5508 | pipe_config->pipe_bpp -= 2*3; |
5178 | DRM_DEBUG_KMS("fdi link bw constraint, reducing pipe bpp to %i\n", |
5509 | DRM_DEBUG_KMS("fdi link bw constraint, reducing pipe bpp to %i\n", |
5179 | pipe_config->pipe_bpp); |
5510 | pipe_config->pipe_bpp); |
5180 | needs_recompute = true; |
5511 | needs_recompute = true; |
5181 | pipe_config->bw_constrained = true; |
5512 | pipe_config->bw_constrained = true; |
5182 | 5513 | ||
5183 | goto retry; |
5514 | goto retry; |
5184 | } |
5515 | } |
5185 | 5516 | ||
5186 | if (needs_recompute) |
5517 | if (needs_recompute) |
5187 | return RETRY; |
5518 | return RETRY; |
5188 | 5519 | ||
5189 | return setup_ok ? 0 : -EINVAL; |
5520 | return setup_ok ? 0 : -EINVAL; |
5190 | } |
5521 | } |
5191 | 5522 | ||
5192 | static void hsw_compute_ips_config(struct intel_crtc *crtc, |
5523 | static void hsw_compute_ips_config(struct intel_crtc *crtc, |
5193 | struct intel_crtc_config *pipe_config) |
5524 | struct intel_crtc_config *pipe_config) |
5194 | { |
5525 | { |
5195 | pipe_config->ips_enabled = i915.enable_ips && |
5526 | pipe_config->ips_enabled = i915.enable_ips && |
5196 | hsw_crtc_supports_ips(crtc) && |
5527 | hsw_crtc_supports_ips(crtc) && |
5197 | pipe_config->pipe_bpp <= 24; |
5528 | pipe_config->pipe_bpp <= 24; |
5198 | } |
5529 | } |
5199 | 5530 | ||
5200 | static int intel_crtc_compute_config(struct intel_crtc *crtc, |
5531 | static int intel_crtc_compute_config(struct intel_crtc *crtc, |
5201 | struct intel_crtc_config *pipe_config) |
5532 | struct intel_crtc_config *pipe_config) |
5202 | { |
5533 | { |
5203 | struct drm_device *dev = crtc->base.dev; |
5534 | struct drm_device *dev = crtc->base.dev; |
- | 5535 | struct drm_i915_private *dev_priv = dev->dev_private; |
|
5204 | struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode; |
5536 | struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode; |
5205 | 5537 | ||
5206 | /* FIXME should check pixel clock limits on all platforms */ |
5538 | /* FIXME should check pixel clock limits on all platforms */ |
5207 | if (INTEL_INFO(dev)->gen < 4) { |
5539 | if (INTEL_INFO(dev)->gen < 4) { |
5208 | struct drm_i915_private *dev_priv = dev->dev_private; |
- | |
5209 | int clock_limit = |
5540 | int clock_limit = |
5210 | dev_priv->display.get_display_clock_speed(dev); |
5541 | dev_priv->display.get_display_clock_speed(dev); |
5211 | 5542 | ||
5212 | /* |
5543 | /* |
5213 | * Enable pixel doubling when the dot clock |
5544 | * Enable pixel doubling when the dot clock |
5214 | * is > 90% of the (display) core speed. |
5545 | * is > 90% of the (display) core speed. |
5215 | * |
5546 | * |
5216 | * GDG double wide on either pipe, |
5547 | * GDG double wide on either pipe, |
5217 | * otherwise pipe A only. |
5548 | * otherwise pipe A only. |
5218 | */ |
5549 | */ |
5219 | if ((crtc->pipe == PIPE_A || IS_I915G(dev)) && |
5550 | if ((crtc->pipe == PIPE_A || IS_I915G(dev)) && |
5220 | adjusted_mode->crtc_clock > clock_limit * 9 / 10) { |
5551 | adjusted_mode->crtc_clock > clock_limit * 9 / 10) { |
5221 | clock_limit *= 2; |
5552 | clock_limit *= 2; |
5222 | pipe_config->double_wide = true; |
5553 | pipe_config->double_wide = true; |
5223 | } |
5554 | } |
5224 | 5555 | ||
5225 | if (adjusted_mode->crtc_clock > clock_limit * 9 / 10) |
5556 | if (adjusted_mode->crtc_clock > clock_limit * 9 / 10) |
5226 | return -EINVAL; |
5557 | return -EINVAL; |
5227 | } |
5558 | } |
5228 | 5559 | ||
5229 | /* |
5560 | /* |
5230 | * Pipe horizontal size must be even in: |
5561 | * Pipe horizontal size must be even in: |
5231 | * - DVO ganged mode |
5562 | * - DVO ganged mode |
5232 | * - LVDS dual channel mode |
5563 | * - LVDS dual channel mode |
5233 | * - Double wide pipe |
5564 | * - Double wide pipe |
5234 | */ |
5565 | */ |
5235 | if ((intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) && |
5566 | if ((intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) && |
5236 | intel_is_dual_link_lvds(dev)) || pipe_config->double_wide) |
5567 | intel_is_dual_link_lvds(dev)) || pipe_config->double_wide) |
5237 | pipe_config->pipe_src_w &= ~1; |
5568 | pipe_config->pipe_src_w &= ~1; |
5238 | 5569 | ||
5239 | /* Cantiga+ cannot handle modes with a hsync front porch of 0. |
5570 | /* Cantiga+ cannot handle modes with a hsync front porch of 0. |
5240 | * WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw. |
5571 | * WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw. |
5241 | */ |
5572 | */ |
5242 | if ((INTEL_INFO(dev)->gen > 4 || IS_G4X(dev)) && |
5573 | if ((INTEL_INFO(dev)->gen > 4 || IS_G4X(dev)) && |
5243 | adjusted_mode->hsync_start == adjusted_mode->hdisplay) |
5574 | adjusted_mode->hsync_start == adjusted_mode->hdisplay) |
5244 | return -EINVAL; |
5575 | return -EINVAL; |
5245 | 5576 | ||
5246 | if ((IS_G4X(dev) || IS_VALLEYVIEW(dev)) && pipe_config->pipe_bpp > 10*3) { |
5577 | if ((IS_G4X(dev) || IS_VALLEYVIEW(dev)) && pipe_config->pipe_bpp > 10*3) { |
5247 | pipe_config->pipe_bpp = 10*3; /* 12bpc is gen5+ */ |
5578 | pipe_config->pipe_bpp = 10*3; /* 12bpc is gen5+ */ |
5248 | } else if (INTEL_INFO(dev)->gen <= 4 && pipe_config->pipe_bpp > 8*3) { |
5579 | } else if (INTEL_INFO(dev)->gen <= 4 && pipe_config->pipe_bpp > 8*3) { |
5249 | /* only a 8bpc pipe, with 6bpc dither through the panel fitter |
5580 | /* only a 8bpc pipe, with 6bpc dither through the panel fitter |
5250 | * for lvds. */ |
5581 | * for lvds. */ |
5251 | pipe_config->pipe_bpp = 8*3; |
5582 | pipe_config->pipe_bpp = 8*3; |
5252 | } |
5583 | } |
5253 | 5584 | ||
5254 | if (HAS_IPS(dev)) |
5585 | if (HAS_IPS(dev)) |
5255 | hsw_compute_ips_config(crtc, pipe_config); |
5586 | hsw_compute_ips_config(crtc, pipe_config); |
5256 | - | ||
5257 | /* |
- | |
5258 | * XXX: PCH/WRPLL clock sharing is done in ->mode_set, so make sure the |
- | |
5259 | * old clock survives for now. |
- | |
5260 | */ |
- | |
5261 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev) || HAS_DDI(dev)) |
- | |
5262 | pipe_config->shared_dpll = crtc->config.shared_dpll; |
- | |
5263 | 5587 | ||
5264 | if (pipe_config->has_pch_encoder) |
5588 | if (pipe_config->has_pch_encoder) |
5265 | return ironlake_fdi_compute_config(crtc, pipe_config); |
5589 | return ironlake_fdi_compute_config(crtc, pipe_config); |
5266 | 5590 | ||
5267 | return 0; |
5591 | return 0; |
5268 | } |
5592 | } |
5269 | 5593 | ||
5270 | static int valleyview_get_display_clock_speed(struct drm_device *dev) |
5594 | static int valleyview_get_display_clock_speed(struct drm_device *dev) |
5271 | { |
5595 | { |
5272 | struct drm_i915_private *dev_priv = dev->dev_private; |
5596 | struct drm_i915_private *dev_priv = dev->dev_private; |
5273 | int vco = valleyview_get_vco(dev_priv); |
- | |
5274 | u32 val; |
5597 | u32 val; |
5275 | int divider; |
5598 | int divider; |
- | 5599 | ||
- | 5600 | /* FIXME: Punit isn't quite ready yet */ |
|
- | 5601 | if (IS_CHERRYVIEW(dev)) |
|
- | 5602 | return 400000; |
|
- | 5603 | ||
- | 5604 | if (dev_priv->hpll_freq == 0) |
|
- | 5605 | dev_priv->hpll_freq = valleyview_get_vco(dev_priv); |
|
5276 | 5606 | ||
5277 | mutex_lock(&dev_priv->dpio_lock); |
5607 | mutex_lock(&dev_priv->dpio_lock); |
5278 | val = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL); |
5608 | val = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL); |
5279 | mutex_unlock(&dev_priv->dpio_lock); |
5609 | mutex_unlock(&dev_priv->dpio_lock); |
5280 | 5610 | ||
5281 | divider = val & DISPLAY_FREQUENCY_VALUES; |
5611 | divider = val & DISPLAY_FREQUENCY_VALUES; |
5282 | 5612 | ||
5283 | WARN((val & DISPLAY_FREQUENCY_STATUS) != |
5613 | WARN((val & DISPLAY_FREQUENCY_STATUS) != |
5284 | (divider << DISPLAY_FREQUENCY_STATUS_SHIFT), |
5614 | (divider << DISPLAY_FREQUENCY_STATUS_SHIFT), |
5285 | "cdclk change in progress\n"); |
5615 | "cdclk change in progress\n"); |
5286 | 5616 | ||
5287 | return DIV_ROUND_CLOSEST(vco << 1, divider + 1); |
5617 | return DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, divider + 1); |
5288 | } |
5618 | } |
5289 | 5619 | ||
5290 | static int i945_get_display_clock_speed(struct drm_device *dev) |
5620 | static int i945_get_display_clock_speed(struct drm_device *dev) |
5291 | { |
5621 | { |
5292 | return 400000; |
5622 | return 400000; |
5293 | } |
5623 | } |
5294 | 5624 | ||
5295 | static int i915_get_display_clock_speed(struct drm_device *dev) |
5625 | static int i915_get_display_clock_speed(struct drm_device *dev) |
5296 | { |
5626 | { |
5297 | return 333000; |
5627 | return 333000; |
5298 | } |
5628 | } |
5299 | 5629 | ||
5300 | static int i9xx_misc_get_display_clock_speed(struct drm_device *dev) |
5630 | static int i9xx_misc_get_display_clock_speed(struct drm_device *dev) |
5301 | { |
5631 | { |
5302 | return 200000; |
5632 | return 200000; |
5303 | } |
5633 | } |
5304 | 5634 | ||
5305 | static int pnv_get_display_clock_speed(struct drm_device *dev) |
5635 | static int pnv_get_display_clock_speed(struct drm_device *dev) |
5306 | { |
5636 | { |
5307 | u16 gcfgc = 0; |
5637 | u16 gcfgc = 0; |
5308 | 5638 | ||
5309 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); |
5639 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); |
5310 | 5640 | ||
5311 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { |
5641 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { |
5312 | case GC_DISPLAY_CLOCK_267_MHZ_PNV: |
5642 | case GC_DISPLAY_CLOCK_267_MHZ_PNV: |
5313 | return 267000; |
5643 | return 267000; |
5314 | case GC_DISPLAY_CLOCK_333_MHZ_PNV: |
5644 | case GC_DISPLAY_CLOCK_333_MHZ_PNV: |
5315 | return 333000; |
5645 | return 333000; |
5316 | case GC_DISPLAY_CLOCK_444_MHZ_PNV: |
5646 | case GC_DISPLAY_CLOCK_444_MHZ_PNV: |
5317 | return 444000; |
5647 | return 444000; |
5318 | case GC_DISPLAY_CLOCK_200_MHZ_PNV: |
5648 | case GC_DISPLAY_CLOCK_200_MHZ_PNV: |
5319 | return 200000; |
5649 | return 200000; |
5320 | default: |
5650 | default: |
5321 | DRM_ERROR("Unknown pnv display core clock 0x%04x\n", gcfgc); |
5651 | DRM_ERROR("Unknown pnv display core clock 0x%04x\n", gcfgc); |
5322 | case GC_DISPLAY_CLOCK_133_MHZ_PNV: |
5652 | case GC_DISPLAY_CLOCK_133_MHZ_PNV: |
5323 | return 133000; |
5653 | return 133000; |
5324 | case GC_DISPLAY_CLOCK_167_MHZ_PNV: |
5654 | case GC_DISPLAY_CLOCK_167_MHZ_PNV: |
5325 | return 167000; |
5655 | return 167000; |
5326 | } |
5656 | } |
5327 | } |
5657 | } |
5328 | 5658 | ||
5329 | static int i915gm_get_display_clock_speed(struct drm_device *dev) |
5659 | static int i915gm_get_display_clock_speed(struct drm_device *dev) |
5330 | { |
5660 | { |
5331 | u16 gcfgc = 0; |
5661 | u16 gcfgc = 0; |
5332 | 5662 | ||
5333 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); |
5663 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); |
5334 | 5664 | ||
5335 | if (gcfgc & GC_LOW_FREQUENCY_ENABLE) |
5665 | if (gcfgc & GC_LOW_FREQUENCY_ENABLE) |
5336 | return 133000; |
5666 | return 133000; |
5337 | else { |
5667 | else { |
5338 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { |
5668 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { |
5339 | case GC_DISPLAY_CLOCK_333_MHZ: |
5669 | case GC_DISPLAY_CLOCK_333_MHZ: |
5340 | return 333000; |
5670 | return 333000; |
5341 | default: |
5671 | default: |
5342 | case GC_DISPLAY_CLOCK_190_200_MHZ: |
5672 | case GC_DISPLAY_CLOCK_190_200_MHZ: |
5343 | return 190000; |
5673 | return 190000; |
5344 | } |
5674 | } |
5345 | } |
5675 | } |
5346 | } |
5676 | } |
5347 | 5677 | ||
5348 | static int i865_get_display_clock_speed(struct drm_device *dev) |
5678 | static int i865_get_display_clock_speed(struct drm_device *dev) |
5349 | { |
5679 | { |
5350 | return 266000; |
5680 | return 266000; |
5351 | } |
5681 | } |
5352 | 5682 | ||
5353 | static int i855_get_display_clock_speed(struct drm_device *dev) |
5683 | static int i855_get_display_clock_speed(struct drm_device *dev) |
5354 | { |
5684 | { |
5355 | u16 hpllcc = 0; |
5685 | u16 hpllcc = 0; |
5356 | /* Assume that the hardware is in the high speed state. This |
5686 | /* Assume that the hardware is in the high speed state. This |
5357 | * should be the default. |
5687 | * should be the default. |
5358 | */ |
5688 | */ |
5359 | switch (hpllcc & GC_CLOCK_CONTROL_MASK) { |
5689 | switch (hpllcc & GC_CLOCK_CONTROL_MASK) { |
5360 | case GC_CLOCK_133_200: |
5690 | case GC_CLOCK_133_200: |
5361 | case GC_CLOCK_100_200: |
5691 | case GC_CLOCK_100_200: |
5362 | return 200000; |
5692 | return 200000; |
5363 | case GC_CLOCK_166_250: |
5693 | case GC_CLOCK_166_250: |
5364 | return 250000; |
5694 | return 250000; |
5365 | case GC_CLOCK_100_133: |
5695 | case GC_CLOCK_100_133: |
5366 | return 133000; |
5696 | return 133000; |
5367 | } |
5697 | } |
5368 | 5698 | ||
5369 | /* Shouldn't happen */ |
5699 | /* Shouldn't happen */ |
5370 | return 0; |
5700 | return 0; |
5371 | } |
5701 | } |
5372 | 5702 | ||
5373 | static int i830_get_display_clock_speed(struct drm_device *dev) |
5703 | static int i830_get_display_clock_speed(struct drm_device *dev) |
5374 | { |
5704 | { |
5375 | return 133000; |
5705 | return 133000; |
5376 | } |
5706 | } |
5377 | 5707 | ||
5378 | static void |
5708 | static void |
5379 | intel_reduce_m_n_ratio(uint32_t *num, uint32_t *den) |
5709 | intel_reduce_m_n_ratio(uint32_t *num, uint32_t *den) |
5380 | { |
5710 | { |
5381 | while (*num > DATA_LINK_M_N_MASK || |
5711 | while (*num > DATA_LINK_M_N_MASK || |
5382 | *den > DATA_LINK_M_N_MASK) { |
5712 | *den > DATA_LINK_M_N_MASK) { |
5383 | *num >>= 1; |
5713 | *num >>= 1; |
5384 | *den >>= 1; |
5714 | *den >>= 1; |
5385 | } |
5715 | } |
5386 | } |
5716 | } |
5387 | 5717 | ||
5388 | static void compute_m_n(unsigned int m, unsigned int n, |
5718 | static void compute_m_n(unsigned int m, unsigned int n, |
5389 | uint32_t *ret_m, uint32_t *ret_n) |
5719 | uint32_t *ret_m, uint32_t *ret_n) |
5390 | { |
5720 | { |
5391 | *ret_n = min_t(unsigned int, roundup_pow_of_two(n), DATA_LINK_N_MAX); |
5721 | *ret_n = min_t(unsigned int, roundup_pow_of_two(n), DATA_LINK_N_MAX); |
5392 | *ret_m = div_u64((uint64_t) m * *ret_n, n); |
5722 | *ret_m = div_u64((uint64_t) m * *ret_n, n); |
5393 | intel_reduce_m_n_ratio(ret_m, ret_n); |
5723 | intel_reduce_m_n_ratio(ret_m, ret_n); |
5394 | } |
5724 | } |
5395 | 5725 | ||
5396 | void |
5726 | void |
5397 | intel_link_compute_m_n(int bits_per_pixel, int nlanes, |
5727 | intel_link_compute_m_n(int bits_per_pixel, int nlanes, |
5398 | int pixel_clock, int link_clock, |
5728 | int pixel_clock, int link_clock, |
5399 | struct intel_link_m_n *m_n) |
5729 | struct intel_link_m_n *m_n) |
5400 | { |
5730 | { |
5401 | m_n->tu = 64; |
5731 | m_n->tu = 64; |
5402 | 5732 | ||
5403 | compute_m_n(bits_per_pixel * pixel_clock, |
5733 | compute_m_n(bits_per_pixel * pixel_clock, |
5404 | link_clock * nlanes * 8, |
5734 | link_clock * nlanes * 8, |
5405 | &m_n->gmch_m, &m_n->gmch_n); |
5735 | &m_n->gmch_m, &m_n->gmch_n); |
5406 | 5736 | ||
5407 | compute_m_n(pixel_clock, link_clock, |
5737 | compute_m_n(pixel_clock, link_clock, |
5408 | &m_n->link_m, &m_n->link_n); |
5738 | &m_n->link_m, &m_n->link_n); |
5409 | } |
5739 | } |
5410 | 5740 | ||
5411 | static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv) |
5741 | static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv) |
5412 | { |
5742 | { |
5413 | if (i915.panel_use_ssc >= 0) |
5743 | if (i915.panel_use_ssc >= 0) |
5414 | return i915.panel_use_ssc != 0; |
5744 | return i915.panel_use_ssc != 0; |
5415 | return dev_priv->vbt.lvds_use_ssc |
5745 | return dev_priv->vbt.lvds_use_ssc |
5416 | && !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE); |
5746 | && !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE); |
5417 | } |
5747 | } |
5418 | 5748 | ||
5419 | static int i9xx_get_refclk(struct drm_crtc *crtc, int num_connectors) |
5749 | static int i9xx_get_refclk(struct intel_crtc *crtc, int num_connectors) |
5420 | { |
5750 | { |
5421 | struct drm_device *dev = crtc->dev; |
5751 | struct drm_device *dev = crtc->base.dev; |
5422 | struct drm_i915_private *dev_priv = dev->dev_private; |
5752 | struct drm_i915_private *dev_priv = dev->dev_private; |
5423 | int refclk; |
5753 | int refclk; |
5424 | 5754 | ||
5425 | if (IS_VALLEYVIEW(dev)) { |
5755 | if (IS_VALLEYVIEW(dev)) { |
5426 | refclk = 100000; |
5756 | refclk = 100000; |
5427 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) && |
5757 | } else if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_LVDS) && |
5428 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) { |
5758 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) { |
5429 | refclk = dev_priv->vbt.lvds_ssc_freq; |
5759 | refclk = dev_priv->vbt.lvds_ssc_freq; |
5430 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", refclk); |
5760 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", refclk); |
5431 | } else if (!IS_GEN2(dev)) { |
5761 | } else if (!IS_GEN2(dev)) { |
5432 | refclk = 96000; |
5762 | refclk = 96000; |
5433 | } else { |
5763 | } else { |
5434 | refclk = 48000; |
5764 | refclk = 48000; |
5435 | } |
5765 | } |
5436 | 5766 | ||
5437 | return refclk; |
5767 | return refclk; |
5438 | } |
5768 | } |
5439 | 5769 | ||
5440 | static uint32_t pnv_dpll_compute_fp(struct dpll *dpll) |
5770 | static uint32_t pnv_dpll_compute_fp(struct dpll *dpll) |
5441 | { |
5771 | { |
5442 | return (1 << dpll->n) << 16 | dpll->m2; |
5772 | return (1 << dpll->n) << 16 | dpll->m2; |
5443 | } |
5773 | } |
5444 | 5774 | ||
5445 | static uint32_t i9xx_dpll_compute_fp(struct dpll *dpll) |
5775 | static uint32_t i9xx_dpll_compute_fp(struct dpll *dpll) |
5446 | { |
5776 | { |
5447 | return dpll->n << 16 | dpll->m1 << 8 | dpll->m2; |
5777 | return dpll->n << 16 | dpll->m1 << 8 | dpll->m2; |
5448 | } |
5778 | } |
5449 | 5779 | ||
5450 | static void i9xx_update_pll_dividers(struct intel_crtc *crtc, |
5780 | static void i9xx_update_pll_dividers(struct intel_crtc *crtc, |
5451 | intel_clock_t *reduced_clock) |
5781 | intel_clock_t *reduced_clock) |
5452 | { |
5782 | { |
5453 | struct drm_device *dev = crtc->base.dev; |
5783 | struct drm_device *dev = crtc->base.dev; |
5454 | u32 fp, fp2 = 0; |
5784 | u32 fp, fp2 = 0; |
5455 | 5785 | ||
5456 | if (IS_PINEVIEW(dev)) { |
5786 | if (IS_PINEVIEW(dev)) { |
5457 | fp = pnv_dpll_compute_fp(&crtc->config.dpll); |
5787 | fp = pnv_dpll_compute_fp(&crtc->new_config->dpll); |
5458 | if (reduced_clock) |
5788 | if (reduced_clock) |
5459 | fp2 = pnv_dpll_compute_fp(reduced_clock); |
5789 | fp2 = pnv_dpll_compute_fp(reduced_clock); |
5460 | } else { |
5790 | } else { |
5461 | fp = i9xx_dpll_compute_fp(&crtc->config.dpll); |
5791 | fp = i9xx_dpll_compute_fp(&crtc->new_config->dpll); |
5462 | if (reduced_clock) |
5792 | if (reduced_clock) |
5463 | fp2 = i9xx_dpll_compute_fp(reduced_clock); |
5793 | fp2 = i9xx_dpll_compute_fp(reduced_clock); |
5464 | } |
5794 | } |
5465 | 5795 | ||
5466 | crtc->config.dpll_hw_state.fp0 = fp; |
5796 | crtc->new_config->dpll_hw_state.fp0 = fp; |
5467 | 5797 | ||
5468 | crtc->lowfreq_avail = false; |
5798 | crtc->lowfreq_avail = false; |
5469 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) && |
5799 | if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_LVDS) && |
5470 | reduced_clock && i915.powersave) { |
5800 | reduced_clock && i915.powersave) { |
5471 | crtc->config.dpll_hw_state.fp1 = fp2; |
5801 | crtc->new_config->dpll_hw_state.fp1 = fp2; |
5472 | crtc->lowfreq_avail = true; |
5802 | crtc->lowfreq_avail = true; |
5473 | } else { |
5803 | } else { |
5474 | crtc->config.dpll_hw_state.fp1 = fp; |
5804 | crtc->new_config->dpll_hw_state.fp1 = fp; |
5475 | } |
5805 | } |
5476 | } |
5806 | } |
5477 | 5807 | ||
5478 | static void vlv_pllb_recal_opamp(struct drm_i915_private *dev_priv, enum pipe |
5808 | static void vlv_pllb_recal_opamp(struct drm_i915_private *dev_priv, enum pipe |
5479 | pipe) |
5809 | pipe) |
5480 | { |
5810 | { |
5481 | u32 reg_val; |
5811 | u32 reg_val; |
5482 | 5812 | ||
5483 | /* |
5813 | /* |
5484 | * PLLB opamp always calibrates to max value of 0x3f, force enable it |
5814 | * PLLB opamp always calibrates to max value of 0x3f, force enable it |
5485 | * and set it to a reasonable value instead. |
5815 | * and set it to a reasonable value instead. |
5486 | */ |
5816 | */ |
5487 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
5817 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
5488 | reg_val &= 0xffffff00; |
5818 | reg_val &= 0xffffff00; |
5489 | reg_val |= 0x00000030; |
5819 | reg_val |= 0x00000030; |
5490 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
5820 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
5491 | 5821 | ||
5492 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
5822 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
5493 | reg_val &= 0x8cffffff; |
5823 | reg_val &= 0x8cffffff; |
5494 | reg_val = 0x8c000000; |
5824 | reg_val = 0x8c000000; |
5495 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
5825 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
5496 | 5826 | ||
5497 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
5827 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
5498 | reg_val &= 0xffffff00; |
5828 | reg_val &= 0xffffff00; |
5499 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
5829 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
5500 | 5830 | ||
5501 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
5831 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
5502 | reg_val &= 0x00ffffff; |
5832 | reg_val &= 0x00ffffff; |
5503 | reg_val |= 0xb0000000; |
5833 | reg_val |= 0xb0000000; |
5504 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
5834 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
5505 | } |
5835 | } |
5506 | 5836 | ||
5507 | static void intel_pch_transcoder_set_m_n(struct intel_crtc *crtc, |
5837 | static void intel_pch_transcoder_set_m_n(struct intel_crtc *crtc, |
5508 | struct intel_link_m_n *m_n) |
5838 | struct intel_link_m_n *m_n) |
5509 | { |
5839 | { |
5510 | struct drm_device *dev = crtc->base.dev; |
5840 | struct drm_device *dev = crtc->base.dev; |
5511 | struct drm_i915_private *dev_priv = dev->dev_private; |
5841 | struct drm_i915_private *dev_priv = dev->dev_private; |
5512 | int pipe = crtc->pipe; |
5842 | int pipe = crtc->pipe; |
5513 | 5843 | ||
5514 | I915_WRITE(PCH_TRANS_DATA_M1(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
5844 | I915_WRITE(PCH_TRANS_DATA_M1(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
5515 | I915_WRITE(PCH_TRANS_DATA_N1(pipe), m_n->gmch_n); |
5845 | I915_WRITE(PCH_TRANS_DATA_N1(pipe), m_n->gmch_n); |
5516 | I915_WRITE(PCH_TRANS_LINK_M1(pipe), m_n->link_m); |
5846 | I915_WRITE(PCH_TRANS_LINK_M1(pipe), m_n->link_m); |
5517 | I915_WRITE(PCH_TRANS_LINK_N1(pipe), m_n->link_n); |
5847 | I915_WRITE(PCH_TRANS_LINK_N1(pipe), m_n->link_n); |
5518 | } |
5848 | } |
5519 | 5849 | ||
5520 | static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, |
5850 | static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, |
5521 | struct intel_link_m_n *m_n) |
5851 | struct intel_link_m_n *m_n, |
- | 5852 | struct intel_link_m_n *m2_n2) |
|
5522 | { |
5853 | { |
5523 | struct drm_device *dev = crtc->base.dev; |
5854 | struct drm_device *dev = crtc->base.dev; |
5524 | struct drm_i915_private *dev_priv = dev->dev_private; |
5855 | struct drm_i915_private *dev_priv = dev->dev_private; |
5525 | int pipe = crtc->pipe; |
5856 | int pipe = crtc->pipe; |
5526 | enum transcoder transcoder = crtc->config.cpu_transcoder; |
5857 | enum transcoder transcoder = crtc->config.cpu_transcoder; |
5527 | 5858 | ||
5528 | if (INTEL_INFO(dev)->gen >= 5) { |
5859 | if (INTEL_INFO(dev)->gen >= 5) { |
5529 | I915_WRITE(PIPE_DATA_M1(transcoder), TU_SIZE(m_n->tu) | m_n->gmch_m); |
5860 | I915_WRITE(PIPE_DATA_M1(transcoder), TU_SIZE(m_n->tu) | m_n->gmch_m); |
5530 | I915_WRITE(PIPE_DATA_N1(transcoder), m_n->gmch_n); |
5861 | I915_WRITE(PIPE_DATA_N1(transcoder), m_n->gmch_n); |
5531 | I915_WRITE(PIPE_LINK_M1(transcoder), m_n->link_m); |
5862 | I915_WRITE(PIPE_LINK_M1(transcoder), m_n->link_m); |
5532 | I915_WRITE(PIPE_LINK_N1(transcoder), m_n->link_n); |
5863 | I915_WRITE(PIPE_LINK_N1(transcoder), m_n->link_n); |
- | 5864 | /* M2_N2 registers to be set only for gen < 8 (M2_N2 available |
|
- | 5865 | * for gen < 8) and if DRRS is supported (to make sure the |
|
- | 5866 | * registers are not unnecessarily accessed). |
|
- | 5867 | */ |
|
- | 5868 | if (m2_n2 && INTEL_INFO(dev)->gen < 8 && |
|
- | 5869 | crtc->config.has_drrs) { |
|
- | 5870 | I915_WRITE(PIPE_DATA_M2(transcoder), |
|
- | 5871 | TU_SIZE(m2_n2->tu) | m2_n2->gmch_m); |
|
- | 5872 | I915_WRITE(PIPE_DATA_N2(transcoder), m2_n2->gmch_n); |
|
- | 5873 | I915_WRITE(PIPE_LINK_M2(transcoder), m2_n2->link_m); |
|
- | 5874 | I915_WRITE(PIPE_LINK_N2(transcoder), m2_n2->link_n); |
|
- | 5875 | } |
|
5533 | } else { |
5876 | } else { |
5534 | I915_WRITE(PIPE_DATA_M_G4X(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
5877 | I915_WRITE(PIPE_DATA_M_G4X(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
5535 | I915_WRITE(PIPE_DATA_N_G4X(pipe), m_n->gmch_n); |
5878 | I915_WRITE(PIPE_DATA_N_G4X(pipe), m_n->gmch_n); |
5536 | I915_WRITE(PIPE_LINK_M_G4X(pipe), m_n->link_m); |
5879 | I915_WRITE(PIPE_LINK_M_G4X(pipe), m_n->link_m); |
5537 | I915_WRITE(PIPE_LINK_N_G4X(pipe), m_n->link_n); |
5880 | I915_WRITE(PIPE_LINK_N_G4X(pipe), m_n->link_n); |
5538 | } |
5881 | } |
5539 | } |
5882 | } |
5540 | 5883 | ||
5541 | static void intel_dp_set_m_n(struct intel_crtc *crtc) |
5884 | void intel_dp_set_m_n(struct intel_crtc *crtc) |
5542 | { |
5885 | { |
5543 | if (crtc->config.has_pch_encoder) |
5886 | if (crtc->config.has_pch_encoder) |
5544 | intel_pch_transcoder_set_m_n(crtc, &crtc->config.dp_m_n); |
5887 | intel_pch_transcoder_set_m_n(crtc, &crtc->config.dp_m_n); |
5545 | else |
5888 | else |
5546 | intel_cpu_transcoder_set_m_n(crtc, &crtc->config.dp_m_n); |
5889 | intel_cpu_transcoder_set_m_n(crtc, &crtc->config.dp_m_n, |
- | 5890 | &crtc->config.dp_m2_n2); |
|
5547 | } |
5891 | } |
5548 | 5892 | ||
- | 5893 | static void vlv_update_pll(struct intel_crtc *crtc, |
|
5549 | static void vlv_update_pll(struct intel_crtc *crtc) |
5894 | struct intel_crtc_config *pipe_config) |
5550 | { |
5895 | { |
5551 | u32 dpll, dpll_md; |
5896 | u32 dpll, dpll_md; |
5552 | 5897 | ||
5553 | /* |
5898 | /* |
5554 | * Enable DPIO clock input. We should never disable the reference |
5899 | * Enable DPIO clock input. We should never disable the reference |
5555 | * clock for pipe B, since VGA hotplug / manual detection depends |
5900 | * clock for pipe B, since VGA hotplug / manual detection depends |
5556 | * on it. |
5901 | * on it. |
5557 | */ |
5902 | */ |
5558 | dpll = DPLL_EXT_BUFFER_ENABLE_VLV | DPLL_REFA_CLK_ENABLE_VLV | |
5903 | dpll = DPLL_EXT_BUFFER_ENABLE_VLV | DPLL_REFA_CLK_ENABLE_VLV | |
5559 | DPLL_VGA_MODE_DIS | DPLL_INTEGRATED_CLOCK_VLV; |
5904 | DPLL_VGA_MODE_DIS | DPLL_INTEGRATED_CLOCK_VLV; |
5560 | /* We should never disable this, set it here for state tracking */ |
5905 | /* We should never disable this, set it here for state tracking */ |
5561 | if (crtc->pipe == PIPE_B) |
5906 | if (crtc->pipe == PIPE_B) |
5562 | dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; |
5907 | dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; |
5563 | dpll |= DPLL_VCO_ENABLE; |
5908 | dpll |= DPLL_VCO_ENABLE; |
5564 | crtc->config.dpll_hw_state.dpll = dpll; |
5909 | pipe_config->dpll_hw_state.dpll = dpll; |
5565 | 5910 | ||
5566 | dpll_md = (crtc->config.pixel_multiplier - 1) |
5911 | dpll_md = (pipe_config->pixel_multiplier - 1) |
5567 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
5912 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
5568 | crtc->config.dpll_hw_state.dpll_md = dpll_md; |
5913 | pipe_config->dpll_hw_state.dpll_md = dpll_md; |
5569 | } |
5914 | } |
- | 5915 | ||
5570 | 5916 | static void vlv_prepare_pll(struct intel_crtc *crtc, |
|
5571 | static void vlv_prepare_pll(struct intel_crtc *crtc) |
5917 | const struct intel_crtc_config *pipe_config) |
5572 | { |
5918 | { |
5573 | struct drm_device *dev = crtc->base.dev; |
5919 | struct drm_device *dev = crtc->base.dev; |
5574 | struct drm_i915_private *dev_priv = dev->dev_private; |
5920 | struct drm_i915_private *dev_priv = dev->dev_private; |
5575 | int pipe = crtc->pipe; |
5921 | int pipe = crtc->pipe; |
5576 | u32 mdiv; |
5922 | u32 mdiv; |
5577 | u32 bestn, bestm1, bestm2, bestp1, bestp2; |
5923 | u32 bestn, bestm1, bestm2, bestp1, bestp2; |
5578 | u32 coreclk, reg_val; |
5924 | u32 coreclk, reg_val; |
5579 | 5925 | ||
5580 | mutex_lock(&dev_priv->dpio_lock); |
5926 | mutex_lock(&dev_priv->dpio_lock); |
5581 | 5927 | ||
5582 | bestn = crtc->config.dpll.n; |
5928 | bestn = pipe_config->dpll.n; |
5583 | bestm1 = crtc->config.dpll.m1; |
5929 | bestm1 = pipe_config->dpll.m1; |
5584 | bestm2 = crtc->config.dpll.m2; |
5930 | bestm2 = pipe_config->dpll.m2; |
5585 | bestp1 = crtc->config.dpll.p1; |
5931 | bestp1 = pipe_config->dpll.p1; |
5586 | bestp2 = crtc->config.dpll.p2; |
5932 | bestp2 = pipe_config->dpll.p2; |
5587 | 5933 | ||
5588 | /* See eDP HDMI DPIO driver vbios notes doc */ |
5934 | /* See eDP HDMI DPIO driver vbios notes doc */ |
5589 | 5935 | ||
5590 | /* PLL B needs special handling */ |
5936 | /* PLL B needs special handling */ |
5591 | if (pipe == PIPE_B) |
5937 | if (pipe == PIPE_B) |
5592 | vlv_pllb_recal_opamp(dev_priv, pipe); |
5938 | vlv_pllb_recal_opamp(dev_priv, pipe); |
5593 | 5939 | ||
5594 | /* Set up Tx target for periodic Rcomp update */ |
5940 | /* Set up Tx target for periodic Rcomp update */ |
5595 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9_BCAST, 0x0100000f); |
5941 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9_BCAST, 0x0100000f); |
5596 | 5942 | ||
5597 | /* Disable target IRef on PLL */ |
5943 | /* Disable target IRef on PLL */ |
5598 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW8(pipe)); |
5944 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW8(pipe)); |
5599 | reg_val &= 0x00ffffff; |
5945 | reg_val &= 0x00ffffff; |
5600 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW8(pipe), reg_val); |
5946 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW8(pipe), reg_val); |
5601 | 5947 | ||
5602 | /* Disable fast lock */ |
5948 | /* Disable fast lock */ |
5603 | vlv_dpio_write(dev_priv, pipe, VLV_CMN_DW0, 0x610); |
5949 | vlv_dpio_write(dev_priv, pipe, VLV_CMN_DW0, 0x610); |
5604 | 5950 | ||
5605 | /* Set idtafcrecal before PLL is enabled */ |
5951 | /* Set idtafcrecal before PLL is enabled */ |
5606 | mdiv = ((bestm1 << DPIO_M1DIV_SHIFT) | (bestm2 & DPIO_M2DIV_MASK)); |
5952 | mdiv = ((bestm1 << DPIO_M1DIV_SHIFT) | (bestm2 & DPIO_M2DIV_MASK)); |
5607 | mdiv |= ((bestp1 << DPIO_P1_SHIFT) | (bestp2 << DPIO_P2_SHIFT)); |
5953 | mdiv |= ((bestp1 << DPIO_P1_SHIFT) | (bestp2 << DPIO_P2_SHIFT)); |
5608 | mdiv |= ((bestn << DPIO_N_SHIFT)); |
5954 | mdiv |= ((bestn << DPIO_N_SHIFT)); |
5609 | mdiv |= (1 << DPIO_K_SHIFT); |
5955 | mdiv |= (1 << DPIO_K_SHIFT); |
5610 | 5956 | ||
5611 | /* |
5957 | /* |
5612 | * Post divider depends on pixel clock rate, DAC vs digital (and LVDS, |
5958 | * Post divider depends on pixel clock rate, DAC vs digital (and LVDS, |
5613 | * but we don't support that). |
5959 | * but we don't support that). |
5614 | * Note: don't use the DAC post divider as it seems unstable. |
5960 | * Note: don't use the DAC post divider as it seems unstable. |
5615 | */ |
5961 | */ |
5616 | mdiv |= (DPIO_POST_DIV_HDMIDP << DPIO_POST_DIV_SHIFT); |
5962 | mdiv |= (DPIO_POST_DIV_HDMIDP << DPIO_POST_DIV_SHIFT); |
5617 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
5963 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
5618 | 5964 | ||
5619 | mdiv |= DPIO_ENABLE_CALIBRATION; |
5965 | mdiv |= DPIO_ENABLE_CALIBRATION; |
5620 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
5966 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
5621 | 5967 | ||
5622 | /* Set HBR and RBR LPF coefficients */ |
5968 | /* Set HBR and RBR LPF coefficients */ |
5623 | if (crtc->config.port_clock == 162000 || |
5969 | if (pipe_config->port_clock == 162000 || |
5624 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_ANALOG) || |
5970 | intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG) || |
5625 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI)) |
5971 | intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) |
5626 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
5972 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
5627 | 0x009f0003); |
5973 | 0x009f0003); |
5628 | else |
5974 | else |
5629 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
5975 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
5630 | 0x00d0000f); |
5976 | 0x00d0000f); |
5631 | 5977 | ||
5632 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP) || |
- | |
5633 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT)) { |
5978 | if (crtc->config.has_dp_encoder) { |
5634 | /* Use SSC source */ |
5979 | /* Use SSC source */ |
5635 | if (pipe == PIPE_A) |
5980 | if (pipe == PIPE_A) |
5636 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
5981 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
5637 | 0x0df40000); |
5982 | 0x0df40000); |
5638 | else |
5983 | else |
5639 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
5984 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
5640 | 0x0df70000); |
5985 | 0x0df70000); |
5641 | } else { /* HDMI or VGA */ |
5986 | } else { /* HDMI or VGA */ |
5642 | /* Use bend source */ |
5987 | /* Use bend source */ |
5643 | if (pipe == PIPE_A) |
5988 | if (pipe == PIPE_A) |
5644 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
5989 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
5645 | 0x0df70000); |
5990 | 0x0df70000); |
5646 | else |
5991 | else |
5647 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
5992 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
5648 | 0x0df40000); |
5993 | 0x0df40000); |
5649 | } |
5994 | } |
5650 | 5995 | ||
5651 | coreclk = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW7(pipe)); |
5996 | coreclk = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW7(pipe)); |
5652 | coreclk = (coreclk & 0x0000ff00) | 0x01c00000; |
5997 | coreclk = (coreclk & 0x0000ff00) | 0x01c00000; |
5653 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT) || |
5998 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) || |
5654 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP)) |
5999 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) |
5655 | coreclk |= 0x01000000; |
6000 | coreclk |= 0x01000000; |
5656 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW7(pipe), coreclk); |
6001 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW7(pipe), coreclk); |
5657 | 6002 | ||
5658 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW11(pipe), 0x87871000); |
6003 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW11(pipe), 0x87871000); |
5659 | mutex_unlock(&dev_priv->dpio_lock); |
6004 | mutex_unlock(&dev_priv->dpio_lock); |
5660 | } |
6005 | } |
5661 | 6006 | ||
- | 6007 | static void chv_update_pll(struct intel_crtc *crtc, |
|
- | 6008 | struct intel_crtc_config *pipe_config) |
|
- | 6009 | { |
|
- | 6010 | pipe_config->dpll_hw_state.dpll = DPLL_SSC_REF_CLOCK_CHV | |
|
- | 6011 | DPLL_REFA_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS | |
|
- | 6012 | DPLL_VCO_ENABLE; |
|
- | 6013 | if (crtc->pipe != PIPE_A) |
|
- | 6014 | pipe_config->dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; |
|
- | 6015 | ||
- | 6016 | pipe_config->dpll_hw_state.dpll_md = |
|
- | 6017 | (pipe_config->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
|
- | 6018 | } |
|
- | 6019 | ||
- | 6020 | static void chv_prepare_pll(struct intel_crtc *crtc, |
|
5662 | static void chv_update_pll(struct intel_crtc *crtc) |
6021 | const struct intel_crtc_config *pipe_config) |
5663 | { |
6022 | { |
5664 | struct drm_device *dev = crtc->base.dev; |
6023 | struct drm_device *dev = crtc->base.dev; |
5665 | struct drm_i915_private *dev_priv = dev->dev_private; |
6024 | struct drm_i915_private *dev_priv = dev->dev_private; |
5666 | int pipe = crtc->pipe; |
6025 | int pipe = crtc->pipe; |
5667 | int dpll_reg = DPLL(crtc->pipe); |
6026 | int dpll_reg = DPLL(crtc->pipe); |
5668 | enum dpio_channel port = vlv_pipe_to_channel(pipe); |
6027 | enum dpio_channel port = vlv_pipe_to_channel(pipe); |
5669 | u32 loopfilter, intcoeff; |
6028 | u32 loopfilter, intcoeff; |
5670 | u32 bestn, bestm1, bestm2, bestp1, bestp2, bestm2_frac; |
6029 | u32 bestn, bestm1, bestm2, bestp1, bestp2, bestm2_frac; |
5671 | int refclk; |
6030 | int refclk; |
5672 | - | ||
5673 | crtc->config.dpll_hw_state.dpll = DPLL_SSC_REF_CLOCK_CHV | |
- | |
5674 | DPLL_REFA_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS | |
- | |
5675 | DPLL_VCO_ENABLE; |
- | |
5676 | if (pipe != PIPE_A) |
- | |
5677 | crtc->config.dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; |
- | |
5678 | - | ||
5679 | crtc->config.dpll_hw_state.dpll_md = |
- | |
5680 | (crtc->config.pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
- | |
5681 | 6031 | ||
5682 | bestn = crtc->config.dpll.n; |
6032 | bestn = pipe_config->dpll.n; |
5683 | bestm2_frac = crtc->config.dpll.m2 & 0x3fffff; |
6033 | bestm2_frac = pipe_config->dpll.m2 & 0x3fffff; |
5684 | bestm1 = crtc->config.dpll.m1; |
6034 | bestm1 = pipe_config->dpll.m1; |
5685 | bestm2 = crtc->config.dpll.m2 >> 22; |
6035 | bestm2 = pipe_config->dpll.m2 >> 22; |
5686 | bestp1 = crtc->config.dpll.p1; |
6036 | bestp1 = pipe_config->dpll.p1; |
5687 | bestp2 = crtc->config.dpll.p2; |
6037 | bestp2 = pipe_config->dpll.p2; |
5688 | 6038 | ||
5689 | /* |
6039 | /* |
5690 | * Enable Refclk and SSC |
6040 | * Enable Refclk and SSC |
5691 | */ |
6041 | */ |
5692 | I915_WRITE(dpll_reg, |
6042 | I915_WRITE(dpll_reg, |
5693 | crtc->config.dpll_hw_state.dpll & ~DPLL_VCO_ENABLE); |
6043 | pipe_config->dpll_hw_state.dpll & ~DPLL_VCO_ENABLE); |
5694 | 6044 | ||
5695 | mutex_lock(&dev_priv->dpio_lock); |
6045 | mutex_lock(&dev_priv->dpio_lock); |
5696 | 6046 | ||
5697 | /* p1 and p2 divider */ |
6047 | /* p1 and p2 divider */ |
5698 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW13(port), |
6048 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW13(port), |
5699 | 5 << DPIO_CHV_S1_DIV_SHIFT | |
6049 | 5 << DPIO_CHV_S1_DIV_SHIFT | |
5700 | bestp1 << DPIO_CHV_P1_DIV_SHIFT | |
6050 | bestp1 << DPIO_CHV_P1_DIV_SHIFT | |
5701 | bestp2 << DPIO_CHV_P2_DIV_SHIFT | |
6051 | bestp2 << DPIO_CHV_P2_DIV_SHIFT | |
5702 | 1 << DPIO_CHV_K_DIV_SHIFT); |
6052 | 1 << DPIO_CHV_K_DIV_SHIFT); |
5703 | 6053 | ||
5704 | /* Feedback post-divider - m2 */ |
6054 | /* Feedback post-divider - m2 */ |
5705 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW0(port), bestm2); |
6055 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW0(port), bestm2); |
5706 | 6056 | ||
5707 | /* Feedback refclk divider - n and m1 */ |
6057 | /* Feedback refclk divider - n and m1 */ |
5708 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW1(port), |
6058 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW1(port), |
5709 | DPIO_CHV_M1_DIV_BY_2 | |
6059 | DPIO_CHV_M1_DIV_BY_2 | |
5710 | 1 << DPIO_CHV_N_DIV_SHIFT); |
6060 | 1 << DPIO_CHV_N_DIV_SHIFT); |
5711 | 6061 | ||
5712 | /* M2 fraction division */ |
6062 | /* M2 fraction division */ |
5713 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW2(port), bestm2_frac); |
6063 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW2(port), bestm2_frac); |
5714 | 6064 | ||
5715 | /* M2 fraction division enable */ |
6065 | /* M2 fraction division enable */ |
5716 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW3(port), |
6066 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW3(port), |
5717 | DPIO_CHV_FRAC_DIV_EN | |
6067 | DPIO_CHV_FRAC_DIV_EN | |
5718 | (2 << DPIO_CHV_FEEDFWD_GAIN_SHIFT)); |
6068 | (2 << DPIO_CHV_FEEDFWD_GAIN_SHIFT)); |
5719 | 6069 | ||
5720 | /* Loop filter */ |
6070 | /* Loop filter */ |
5721 | refclk = i9xx_get_refclk(&crtc->base, 0); |
6071 | refclk = i9xx_get_refclk(crtc, 0); |
5722 | loopfilter = 5 << DPIO_CHV_PROP_COEFF_SHIFT | |
6072 | loopfilter = 5 << DPIO_CHV_PROP_COEFF_SHIFT | |
5723 | 2 << DPIO_CHV_GAIN_CTRL_SHIFT; |
6073 | 2 << DPIO_CHV_GAIN_CTRL_SHIFT; |
5724 | if (refclk == 100000) |
6074 | if (refclk == 100000) |
5725 | intcoeff = 11; |
6075 | intcoeff = 11; |
5726 | else if (refclk == 38400) |
6076 | else if (refclk == 38400) |
5727 | intcoeff = 10; |
6077 | intcoeff = 10; |
5728 | else |
6078 | else |
5729 | intcoeff = 9; |
6079 | intcoeff = 9; |
5730 | loopfilter |= intcoeff << DPIO_CHV_INT_COEFF_SHIFT; |
6080 | loopfilter |= intcoeff << DPIO_CHV_INT_COEFF_SHIFT; |
5731 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW6(port), loopfilter); |
6081 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW6(port), loopfilter); |
5732 | 6082 | ||
5733 | /* AFC Recal */ |
6083 | /* AFC Recal */ |
5734 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), |
6084 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), |
5735 | vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)) | |
6085 | vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)) | |
5736 | DPIO_AFC_RECAL); |
6086 | DPIO_AFC_RECAL); |
5737 | 6087 | ||
5738 | mutex_unlock(&dev_priv->dpio_lock); |
6088 | mutex_unlock(&dev_priv->dpio_lock); |
5739 | } |
6089 | } |
- | 6090 | ||
- | 6091 | /** |
|
- | 6092 | * vlv_force_pll_on - forcibly enable just the PLL |
|
- | 6093 | * @dev_priv: i915 private structure |
|
- | 6094 | * @pipe: pipe PLL to enable |
|
- | 6095 | * @dpll: PLL configuration |
|
- | 6096 | * |
|
- | 6097 | * Enable the PLL for @pipe using the supplied @dpll config. To be used |
|
- | 6098 | * in cases where we need the PLL enabled even when @pipe is not going to |
|
- | 6099 | * be enabled. |
|
- | 6100 | */ |
|
- | 6101 | void vlv_force_pll_on(struct drm_device *dev, enum pipe pipe, |
|
- | 6102 | const struct dpll *dpll) |
|
- | 6103 | { |
|
- | 6104 | struct intel_crtc *crtc = |
|
- | 6105 | to_intel_crtc(intel_get_crtc_for_pipe(dev, pipe)); |
|
- | 6106 | struct intel_crtc_config pipe_config = { |
|
- | 6107 | .pixel_multiplier = 1, |
|
- | 6108 | .dpll = *dpll, |
|
- | 6109 | }; |
|
- | 6110 | ||
- | 6111 | if (IS_CHERRYVIEW(dev)) { |
|
- | 6112 | chv_update_pll(crtc, &pipe_config); |
|
- | 6113 | chv_prepare_pll(crtc, &pipe_config); |
|
- | 6114 | chv_enable_pll(crtc, &pipe_config); |
|
- | 6115 | } else { |
|
- | 6116 | vlv_update_pll(crtc, &pipe_config); |
|
- | 6117 | vlv_prepare_pll(crtc, &pipe_config); |
|
- | 6118 | vlv_enable_pll(crtc, &pipe_config); |
|
- | 6119 | } |
|
- | 6120 | } |
|
- | 6121 | ||
- | 6122 | /** |
|
- | 6123 | * vlv_force_pll_off - forcibly disable just the PLL |
|
- | 6124 | * @dev_priv: i915 private structure |
|
- | 6125 | * @pipe: pipe PLL to disable |
|
- | 6126 | * |
|
- | 6127 | * Disable the PLL for @pipe. To be used in cases where we need |
|
- | 6128 | * the PLL enabled even when @pipe is not going to be enabled. |
|
- | 6129 | */ |
|
- | 6130 | void vlv_force_pll_off(struct drm_device *dev, enum pipe pipe) |
|
- | 6131 | { |
|
- | 6132 | if (IS_CHERRYVIEW(dev)) |
|
- | 6133 | chv_disable_pll(to_i915(dev), pipe); |
|
- | 6134 | else |
|
- | 6135 | vlv_disable_pll(to_i915(dev), pipe); |
|
- | 6136 | } |
|
5740 | 6137 | ||
5741 | static void i9xx_update_pll(struct intel_crtc *crtc, |
6138 | static void i9xx_update_pll(struct intel_crtc *crtc, |
5742 | intel_clock_t *reduced_clock, |
6139 | intel_clock_t *reduced_clock, |
5743 | int num_connectors) |
6140 | int num_connectors) |
5744 | { |
6141 | { |
5745 | struct drm_device *dev = crtc->base.dev; |
6142 | struct drm_device *dev = crtc->base.dev; |
5746 | struct drm_i915_private *dev_priv = dev->dev_private; |
6143 | struct drm_i915_private *dev_priv = dev->dev_private; |
5747 | u32 dpll; |
6144 | u32 dpll; |
5748 | bool is_sdvo; |
6145 | bool is_sdvo; |
5749 | struct dpll *clock = &crtc->config.dpll; |
6146 | struct dpll *clock = &crtc->new_config->dpll; |
5750 | 6147 | ||
5751 | i9xx_update_pll_dividers(crtc, reduced_clock); |
6148 | i9xx_update_pll_dividers(crtc, reduced_clock); |
5752 | 6149 | ||
5753 | is_sdvo = intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_SDVO) || |
6150 | is_sdvo = intel_pipe_will_have_type(crtc, INTEL_OUTPUT_SDVO) || |
5754 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI); |
6151 | intel_pipe_will_have_type(crtc, INTEL_OUTPUT_HDMI); |
5755 | 6152 | ||
5756 | dpll = DPLL_VGA_MODE_DIS; |
6153 | dpll = DPLL_VGA_MODE_DIS; |
5757 | 6154 | ||
5758 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS)) |
6155 | if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_LVDS)) |
5759 | dpll |= DPLLB_MODE_LVDS; |
6156 | dpll |= DPLLB_MODE_LVDS; |
5760 | else |
6157 | else |
5761 | dpll |= DPLLB_MODE_DAC_SERIAL; |
6158 | dpll |= DPLLB_MODE_DAC_SERIAL; |
5762 | 6159 | ||
5763 | if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
6160 | if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
5764 | dpll |= (crtc->config.pixel_multiplier - 1) |
6161 | dpll |= (crtc->new_config->pixel_multiplier - 1) |
5765 | << SDVO_MULTIPLIER_SHIFT_HIRES; |
6162 | << SDVO_MULTIPLIER_SHIFT_HIRES; |
5766 | } |
6163 | } |
5767 | 6164 | ||
5768 | if (is_sdvo) |
6165 | if (is_sdvo) |
5769 | dpll |= DPLL_SDVO_HIGH_SPEED; |
6166 | dpll |= DPLL_SDVO_HIGH_SPEED; |
5770 | 6167 | ||
5771 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT)) |
6168 | if (crtc->new_config->has_dp_encoder) |
5772 | dpll |= DPLL_SDVO_HIGH_SPEED; |
6169 | dpll |= DPLL_SDVO_HIGH_SPEED; |
5773 | 6170 | ||
5774 | /* compute bitmask from p1 value */ |
6171 | /* compute bitmask from p1 value */ |
5775 | if (IS_PINEVIEW(dev)) |
6172 | if (IS_PINEVIEW(dev)) |
5776 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW; |
6173 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW; |
5777 | else { |
6174 | else { |
5778 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
6175 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
5779 | if (IS_G4X(dev) && reduced_clock) |
6176 | if (IS_G4X(dev) && reduced_clock) |
5780 | dpll |= (1 << (reduced_clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; |
6177 | dpll |= (1 << (reduced_clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; |
5781 | } |
6178 | } |
5782 | switch (clock->p2) { |
6179 | switch (clock->p2) { |
5783 | case 5: |
6180 | case 5: |
5784 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; |
6181 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; |
5785 | break; |
6182 | break; |
5786 | case 7: |
6183 | case 7: |
5787 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; |
6184 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; |
5788 | break; |
6185 | break; |
5789 | case 10: |
6186 | case 10: |
5790 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; |
6187 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; |
5791 | break; |
6188 | break; |
5792 | case 14: |
6189 | case 14: |
5793 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; |
6190 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; |
5794 | break; |
6191 | break; |
5795 | } |
6192 | } |
5796 | if (INTEL_INFO(dev)->gen >= 4) |
6193 | if (INTEL_INFO(dev)->gen >= 4) |
5797 | dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT); |
6194 | dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT); |
5798 | 6195 | ||
5799 | if (crtc->config.sdvo_tv_clock) |
6196 | if (crtc->new_config->sdvo_tv_clock) |
5800 | dpll |= PLL_REF_INPUT_TVCLKINBC; |
6197 | dpll |= PLL_REF_INPUT_TVCLKINBC; |
5801 | else if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) && |
6198 | else if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_LVDS) && |
5802 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
6199 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
5803 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
6200 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
5804 | else |
6201 | else |
5805 | dpll |= PLL_REF_INPUT_DREFCLK; |
6202 | dpll |= PLL_REF_INPUT_DREFCLK; |
5806 | 6203 | ||
5807 | dpll |= DPLL_VCO_ENABLE; |
6204 | dpll |= DPLL_VCO_ENABLE; |
5808 | crtc->config.dpll_hw_state.dpll = dpll; |
6205 | crtc->new_config->dpll_hw_state.dpll = dpll; |
5809 | 6206 | ||
5810 | if (INTEL_INFO(dev)->gen >= 4) { |
6207 | if (INTEL_INFO(dev)->gen >= 4) { |
5811 | u32 dpll_md = (crtc->config.pixel_multiplier - 1) |
6208 | u32 dpll_md = (crtc->new_config->pixel_multiplier - 1) |
5812 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
6209 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
5813 | crtc->config.dpll_hw_state.dpll_md = dpll_md; |
6210 | crtc->new_config->dpll_hw_state.dpll_md = dpll_md; |
5814 | } |
6211 | } |
5815 | } |
6212 | } |
5816 | 6213 | ||
5817 | static void i8xx_update_pll(struct intel_crtc *crtc, |
6214 | static void i8xx_update_pll(struct intel_crtc *crtc, |
5818 | intel_clock_t *reduced_clock, |
6215 | intel_clock_t *reduced_clock, |
5819 | int num_connectors) |
6216 | int num_connectors) |
5820 | { |
6217 | { |
5821 | struct drm_device *dev = crtc->base.dev; |
6218 | struct drm_device *dev = crtc->base.dev; |
5822 | struct drm_i915_private *dev_priv = dev->dev_private; |
6219 | struct drm_i915_private *dev_priv = dev->dev_private; |
5823 | u32 dpll; |
6220 | u32 dpll; |
5824 | struct dpll *clock = &crtc->config.dpll; |
6221 | struct dpll *clock = &crtc->new_config->dpll; |
5825 | 6222 | ||
5826 | i9xx_update_pll_dividers(crtc, reduced_clock); |
6223 | i9xx_update_pll_dividers(crtc, reduced_clock); |
5827 | 6224 | ||
5828 | dpll = DPLL_VGA_MODE_DIS; |
6225 | dpll = DPLL_VGA_MODE_DIS; |
5829 | 6226 | ||
5830 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS)) { |
6227 | if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_LVDS)) { |
5831 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
6228 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
5832 | } else { |
6229 | } else { |
5833 | if (clock->p1 == 2) |
6230 | if (clock->p1 == 2) |
5834 | dpll |= PLL_P1_DIVIDE_BY_TWO; |
6231 | dpll |= PLL_P1_DIVIDE_BY_TWO; |
5835 | else |
6232 | else |
5836 | dpll |= (clock->p1 - 2) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
6233 | dpll |= (clock->p1 - 2) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
5837 | if (clock->p2 == 4) |
6234 | if (clock->p2 == 4) |
5838 | dpll |= PLL_P2_DIVIDE_BY_4; |
6235 | dpll |= PLL_P2_DIVIDE_BY_4; |
5839 | } |
6236 | } |
5840 | 6237 | ||
5841 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DVO)) |
6238 | if (!IS_I830(dev) && intel_pipe_will_have_type(crtc, INTEL_OUTPUT_DVO)) |
5842 | dpll |= DPLL_DVO_2X_MODE; |
6239 | dpll |= DPLL_DVO_2X_MODE; |
5843 | 6240 | ||
5844 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) && |
6241 | if (intel_pipe_will_have_type(crtc, INTEL_OUTPUT_LVDS) && |
5845 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
6242 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
5846 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
6243 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
5847 | else |
6244 | else |
5848 | dpll |= PLL_REF_INPUT_DREFCLK; |
6245 | dpll |= PLL_REF_INPUT_DREFCLK; |
5849 | 6246 | ||
5850 | dpll |= DPLL_VCO_ENABLE; |
6247 | dpll |= DPLL_VCO_ENABLE; |
5851 | crtc->config.dpll_hw_state.dpll = dpll; |
6248 | crtc->new_config->dpll_hw_state.dpll = dpll; |
5852 | } |
6249 | } |
5853 | 6250 | ||
5854 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc) |
6251 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc) |
5855 | { |
6252 | { |
5856 | struct drm_device *dev = intel_crtc->base.dev; |
6253 | struct drm_device *dev = intel_crtc->base.dev; |
5857 | struct drm_i915_private *dev_priv = dev->dev_private; |
6254 | struct drm_i915_private *dev_priv = dev->dev_private; |
5858 | enum pipe pipe = intel_crtc->pipe; |
6255 | enum pipe pipe = intel_crtc->pipe; |
5859 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
6256 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
5860 | struct drm_display_mode *adjusted_mode = |
6257 | struct drm_display_mode *adjusted_mode = |
5861 | &intel_crtc->config.adjusted_mode; |
6258 | &intel_crtc->config.adjusted_mode; |
5862 | uint32_t crtc_vtotal, crtc_vblank_end; |
6259 | uint32_t crtc_vtotal, crtc_vblank_end; |
5863 | int vsyncshift = 0; |
6260 | int vsyncshift = 0; |
5864 | 6261 | ||
5865 | /* We need to be careful not to changed the adjusted mode, for otherwise |
6262 | /* We need to be careful not to changed the adjusted mode, for otherwise |
5866 | * the hw state checker will get angry at the mismatch. */ |
6263 | * the hw state checker will get angry at the mismatch. */ |
5867 | crtc_vtotal = adjusted_mode->crtc_vtotal; |
6264 | crtc_vtotal = adjusted_mode->crtc_vtotal; |
5868 | crtc_vblank_end = adjusted_mode->crtc_vblank_end; |
6265 | crtc_vblank_end = adjusted_mode->crtc_vblank_end; |
5869 | 6266 | ||
5870 | if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { |
6267 | if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { |
5871 | /* the chip adds 2 halflines automatically */ |
6268 | /* the chip adds 2 halflines automatically */ |
5872 | crtc_vtotal -= 1; |
6269 | crtc_vtotal -= 1; |
5873 | crtc_vblank_end -= 1; |
6270 | crtc_vblank_end -= 1; |
5874 | 6271 | ||
5875 | if (intel_pipe_has_type(&intel_crtc->base, INTEL_OUTPUT_SDVO)) |
6272 | if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
5876 | vsyncshift = (adjusted_mode->crtc_htotal - 1) / 2; |
6273 | vsyncshift = (adjusted_mode->crtc_htotal - 1) / 2; |
5877 | else |
6274 | else |
5878 | vsyncshift = adjusted_mode->crtc_hsync_start - |
6275 | vsyncshift = adjusted_mode->crtc_hsync_start - |
5879 | adjusted_mode->crtc_htotal / 2; |
6276 | adjusted_mode->crtc_htotal / 2; |
5880 | if (vsyncshift < 0) |
6277 | if (vsyncshift < 0) |
5881 | vsyncshift += adjusted_mode->crtc_htotal; |
6278 | vsyncshift += adjusted_mode->crtc_htotal; |
5882 | } |
6279 | } |
5883 | 6280 | ||
5884 | if (INTEL_INFO(dev)->gen > 3) |
6281 | if (INTEL_INFO(dev)->gen > 3) |
5885 | I915_WRITE(VSYNCSHIFT(cpu_transcoder), vsyncshift); |
6282 | I915_WRITE(VSYNCSHIFT(cpu_transcoder), vsyncshift); |
5886 | 6283 | ||
5887 | I915_WRITE(HTOTAL(cpu_transcoder), |
6284 | I915_WRITE(HTOTAL(cpu_transcoder), |
5888 | (adjusted_mode->crtc_hdisplay - 1) | |
6285 | (adjusted_mode->crtc_hdisplay - 1) | |
5889 | ((adjusted_mode->crtc_htotal - 1) << 16)); |
6286 | ((adjusted_mode->crtc_htotal - 1) << 16)); |
5890 | I915_WRITE(HBLANK(cpu_transcoder), |
6287 | I915_WRITE(HBLANK(cpu_transcoder), |
5891 | (adjusted_mode->crtc_hblank_start - 1) | |
6288 | (adjusted_mode->crtc_hblank_start - 1) | |
5892 | ((adjusted_mode->crtc_hblank_end - 1) << 16)); |
6289 | ((adjusted_mode->crtc_hblank_end - 1) << 16)); |
5893 | I915_WRITE(HSYNC(cpu_transcoder), |
6290 | I915_WRITE(HSYNC(cpu_transcoder), |
5894 | (adjusted_mode->crtc_hsync_start - 1) | |
6291 | (adjusted_mode->crtc_hsync_start - 1) | |
5895 | ((adjusted_mode->crtc_hsync_end - 1) << 16)); |
6292 | ((adjusted_mode->crtc_hsync_end - 1) << 16)); |
5896 | 6293 | ||
5897 | I915_WRITE(VTOTAL(cpu_transcoder), |
6294 | I915_WRITE(VTOTAL(cpu_transcoder), |
5898 | (adjusted_mode->crtc_vdisplay - 1) | |
6295 | (adjusted_mode->crtc_vdisplay - 1) | |
5899 | ((crtc_vtotal - 1) << 16)); |
6296 | ((crtc_vtotal - 1) << 16)); |
5900 | I915_WRITE(VBLANK(cpu_transcoder), |
6297 | I915_WRITE(VBLANK(cpu_transcoder), |
5901 | (adjusted_mode->crtc_vblank_start - 1) | |
6298 | (adjusted_mode->crtc_vblank_start - 1) | |
5902 | ((crtc_vblank_end - 1) << 16)); |
6299 | ((crtc_vblank_end - 1) << 16)); |
5903 | I915_WRITE(VSYNC(cpu_transcoder), |
6300 | I915_WRITE(VSYNC(cpu_transcoder), |
5904 | (adjusted_mode->crtc_vsync_start - 1) | |
6301 | (adjusted_mode->crtc_vsync_start - 1) | |
5905 | ((adjusted_mode->crtc_vsync_end - 1) << 16)); |
6302 | ((adjusted_mode->crtc_vsync_end - 1) << 16)); |
5906 | 6303 | ||
5907 | /* Workaround: when the EDP input selection is B, the VTOTAL_B must be |
6304 | /* Workaround: when the EDP input selection is B, the VTOTAL_B must be |
5908 | * programmed with the VTOTAL_EDP value. Same for VTOTAL_C. This is |
6305 | * programmed with the VTOTAL_EDP value. Same for VTOTAL_C. This is |
5909 | * documented on the DDI_FUNC_CTL register description, EDP Input Select |
6306 | * documented on the DDI_FUNC_CTL register description, EDP Input Select |
5910 | * bits. */ |
6307 | * bits. */ |
5911 | if (IS_HASWELL(dev) && cpu_transcoder == TRANSCODER_EDP && |
6308 | if (IS_HASWELL(dev) && cpu_transcoder == TRANSCODER_EDP && |
5912 | (pipe == PIPE_B || pipe == PIPE_C)) |
6309 | (pipe == PIPE_B || pipe == PIPE_C)) |
5913 | I915_WRITE(VTOTAL(pipe), I915_READ(VTOTAL(cpu_transcoder))); |
6310 | I915_WRITE(VTOTAL(pipe), I915_READ(VTOTAL(cpu_transcoder))); |
5914 | 6311 | ||
5915 | /* pipesrc controls the size that is scaled from, which should |
6312 | /* pipesrc controls the size that is scaled from, which should |
5916 | * always be the user's requested size. |
6313 | * always be the user's requested size. |
5917 | */ |
6314 | */ |
5918 | I915_WRITE(PIPESRC(pipe), |
6315 | I915_WRITE(PIPESRC(pipe), |
5919 | ((intel_crtc->config.pipe_src_w - 1) << 16) | |
6316 | ((intel_crtc->config.pipe_src_w - 1) << 16) | |
5920 | (intel_crtc->config.pipe_src_h - 1)); |
6317 | (intel_crtc->config.pipe_src_h - 1)); |
5921 | } |
6318 | } |
5922 | 6319 | ||
5923 | static void intel_get_pipe_timings(struct intel_crtc *crtc, |
6320 | static void intel_get_pipe_timings(struct intel_crtc *crtc, |
5924 | struct intel_crtc_config *pipe_config) |
6321 | struct intel_crtc_config *pipe_config) |
5925 | { |
6322 | { |
5926 | struct drm_device *dev = crtc->base.dev; |
6323 | struct drm_device *dev = crtc->base.dev; |
5927 | struct drm_i915_private *dev_priv = dev->dev_private; |
6324 | struct drm_i915_private *dev_priv = dev->dev_private; |
5928 | enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; |
6325 | enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; |
5929 | uint32_t tmp; |
6326 | uint32_t tmp; |
5930 | 6327 | ||
5931 | tmp = I915_READ(HTOTAL(cpu_transcoder)); |
6328 | tmp = I915_READ(HTOTAL(cpu_transcoder)); |
5932 | pipe_config->adjusted_mode.crtc_hdisplay = (tmp & 0xffff) + 1; |
6329 | pipe_config->adjusted_mode.crtc_hdisplay = (tmp & 0xffff) + 1; |
5933 | pipe_config->adjusted_mode.crtc_htotal = ((tmp >> 16) & 0xffff) + 1; |
6330 | pipe_config->adjusted_mode.crtc_htotal = ((tmp >> 16) & 0xffff) + 1; |
5934 | tmp = I915_READ(HBLANK(cpu_transcoder)); |
6331 | tmp = I915_READ(HBLANK(cpu_transcoder)); |
5935 | pipe_config->adjusted_mode.crtc_hblank_start = (tmp & 0xffff) + 1; |
6332 | pipe_config->adjusted_mode.crtc_hblank_start = (tmp & 0xffff) + 1; |
5936 | pipe_config->adjusted_mode.crtc_hblank_end = ((tmp >> 16) & 0xffff) + 1; |
6333 | pipe_config->adjusted_mode.crtc_hblank_end = ((tmp >> 16) & 0xffff) + 1; |
5937 | tmp = I915_READ(HSYNC(cpu_transcoder)); |
6334 | tmp = I915_READ(HSYNC(cpu_transcoder)); |
5938 | pipe_config->adjusted_mode.crtc_hsync_start = (tmp & 0xffff) + 1; |
6335 | pipe_config->adjusted_mode.crtc_hsync_start = (tmp & 0xffff) + 1; |
5939 | pipe_config->adjusted_mode.crtc_hsync_end = ((tmp >> 16) & 0xffff) + 1; |
6336 | pipe_config->adjusted_mode.crtc_hsync_end = ((tmp >> 16) & 0xffff) + 1; |
5940 | 6337 | ||
5941 | tmp = I915_READ(VTOTAL(cpu_transcoder)); |
6338 | tmp = I915_READ(VTOTAL(cpu_transcoder)); |
5942 | pipe_config->adjusted_mode.crtc_vdisplay = (tmp & 0xffff) + 1; |
6339 | pipe_config->adjusted_mode.crtc_vdisplay = (tmp & 0xffff) + 1; |
5943 | pipe_config->adjusted_mode.crtc_vtotal = ((tmp >> 16) & 0xffff) + 1; |
6340 | pipe_config->adjusted_mode.crtc_vtotal = ((tmp >> 16) & 0xffff) + 1; |
5944 | tmp = I915_READ(VBLANK(cpu_transcoder)); |
6341 | tmp = I915_READ(VBLANK(cpu_transcoder)); |
5945 | pipe_config->adjusted_mode.crtc_vblank_start = (tmp & 0xffff) + 1; |
6342 | pipe_config->adjusted_mode.crtc_vblank_start = (tmp & 0xffff) + 1; |
5946 | pipe_config->adjusted_mode.crtc_vblank_end = ((tmp >> 16) & 0xffff) + 1; |
6343 | pipe_config->adjusted_mode.crtc_vblank_end = ((tmp >> 16) & 0xffff) + 1; |
5947 | tmp = I915_READ(VSYNC(cpu_transcoder)); |
6344 | tmp = I915_READ(VSYNC(cpu_transcoder)); |
5948 | pipe_config->adjusted_mode.crtc_vsync_start = (tmp & 0xffff) + 1; |
6345 | pipe_config->adjusted_mode.crtc_vsync_start = (tmp & 0xffff) + 1; |
5949 | pipe_config->adjusted_mode.crtc_vsync_end = ((tmp >> 16) & 0xffff) + 1; |
6346 | pipe_config->adjusted_mode.crtc_vsync_end = ((tmp >> 16) & 0xffff) + 1; |
5950 | 6347 | ||
5951 | if (I915_READ(PIPECONF(cpu_transcoder)) & PIPECONF_INTERLACE_MASK) { |
6348 | if (I915_READ(PIPECONF(cpu_transcoder)) & PIPECONF_INTERLACE_MASK) { |
5952 | pipe_config->adjusted_mode.flags |= DRM_MODE_FLAG_INTERLACE; |
6349 | pipe_config->adjusted_mode.flags |= DRM_MODE_FLAG_INTERLACE; |
5953 | pipe_config->adjusted_mode.crtc_vtotal += 1; |
6350 | pipe_config->adjusted_mode.crtc_vtotal += 1; |
5954 | pipe_config->adjusted_mode.crtc_vblank_end += 1; |
6351 | pipe_config->adjusted_mode.crtc_vblank_end += 1; |
5955 | } |
6352 | } |
5956 | 6353 | ||
5957 | tmp = I915_READ(PIPESRC(crtc->pipe)); |
6354 | tmp = I915_READ(PIPESRC(crtc->pipe)); |
5958 | pipe_config->pipe_src_h = (tmp & 0xffff) + 1; |
6355 | pipe_config->pipe_src_h = (tmp & 0xffff) + 1; |
5959 | pipe_config->pipe_src_w = ((tmp >> 16) & 0xffff) + 1; |
6356 | pipe_config->pipe_src_w = ((tmp >> 16) & 0xffff) + 1; |
5960 | 6357 | ||
5961 | pipe_config->requested_mode.vdisplay = pipe_config->pipe_src_h; |
6358 | pipe_config->requested_mode.vdisplay = pipe_config->pipe_src_h; |
5962 | pipe_config->requested_mode.hdisplay = pipe_config->pipe_src_w; |
6359 | pipe_config->requested_mode.hdisplay = pipe_config->pipe_src_w; |
5963 | } |
6360 | } |
5964 | 6361 | ||
5965 | void intel_mode_from_pipe_config(struct drm_display_mode *mode, |
6362 | void intel_mode_from_pipe_config(struct drm_display_mode *mode, |
5966 | struct intel_crtc_config *pipe_config) |
6363 | struct intel_crtc_config *pipe_config) |
5967 | { |
6364 | { |
5968 | mode->hdisplay = pipe_config->adjusted_mode.crtc_hdisplay; |
6365 | mode->hdisplay = pipe_config->adjusted_mode.crtc_hdisplay; |
5969 | mode->htotal = pipe_config->adjusted_mode.crtc_htotal; |
6366 | mode->htotal = pipe_config->adjusted_mode.crtc_htotal; |
5970 | mode->hsync_start = pipe_config->adjusted_mode.crtc_hsync_start; |
6367 | mode->hsync_start = pipe_config->adjusted_mode.crtc_hsync_start; |
5971 | mode->hsync_end = pipe_config->adjusted_mode.crtc_hsync_end; |
6368 | mode->hsync_end = pipe_config->adjusted_mode.crtc_hsync_end; |
5972 | 6369 | ||
5973 | mode->vdisplay = pipe_config->adjusted_mode.crtc_vdisplay; |
6370 | mode->vdisplay = pipe_config->adjusted_mode.crtc_vdisplay; |
5974 | mode->vtotal = pipe_config->adjusted_mode.crtc_vtotal; |
6371 | mode->vtotal = pipe_config->adjusted_mode.crtc_vtotal; |
5975 | mode->vsync_start = pipe_config->adjusted_mode.crtc_vsync_start; |
6372 | mode->vsync_start = pipe_config->adjusted_mode.crtc_vsync_start; |
5976 | mode->vsync_end = pipe_config->adjusted_mode.crtc_vsync_end; |
6373 | mode->vsync_end = pipe_config->adjusted_mode.crtc_vsync_end; |
5977 | 6374 | ||
5978 | mode->flags = pipe_config->adjusted_mode.flags; |
6375 | mode->flags = pipe_config->adjusted_mode.flags; |
5979 | 6376 | ||
5980 | mode->clock = pipe_config->adjusted_mode.crtc_clock; |
6377 | mode->clock = pipe_config->adjusted_mode.crtc_clock; |
5981 | mode->flags |= pipe_config->adjusted_mode.flags; |
6378 | mode->flags |= pipe_config->adjusted_mode.flags; |
5982 | } |
6379 | } |
5983 | 6380 | ||
5984 | static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc) |
6381 | static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc) |
5985 | { |
6382 | { |
5986 | struct drm_device *dev = intel_crtc->base.dev; |
6383 | struct drm_device *dev = intel_crtc->base.dev; |
5987 | struct drm_i915_private *dev_priv = dev->dev_private; |
6384 | struct drm_i915_private *dev_priv = dev->dev_private; |
5988 | uint32_t pipeconf; |
6385 | uint32_t pipeconf; |
5989 | 6386 | ||
5990 | pipeconf = 0; |
6387 | pipeconf = 0; |
5991 | 6388 | ||
5992 | if (dev_priv->quirks & QUIRK_PIPEA_FORCE && |
6389 | if ((intel_crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
5993 | I915_READ(PIPECONF(intel_crtc->pipe)) & PIPECONF_ENABLE) |
6390 | (intel_crtc->pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) |
5994 | pipeconf |= PIPECONF_ENABLE; |
6391 | pipeconf |= I915_READ(PIPECONF(intel_crtc->pipe)) & PIPECONF_ENABLE; |
5995 | 6392 | ||
5996 | if (intel_crtc->config.double_wide) |
6393 | if (intel_crtc->config.double_wide) |
5997 | pipeconf |= PIPECONF_DOUBLE_WIDE; |
6394 | pipeconf |= PIPECONF_DOUBLE_WIDE; |
5998 | 6395 | ||
5999 | /* only g4x and later have fancy bpc/dither controls */ |
6396 | /* only g4x and later have fancy bpc/dither controls */ |
6000 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) { |
6397 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) { |
6001 | /* Bspec claims that we can't use dithering for 30bpp pipes. */ |
6398 | /* Bspec claims that we can't use dithering for 30bpp pipes. */ |
6002 | if (intel_crtc->config.dither && intel_crtc->config.pipe_bpp != 30) |
6399 | if (intel_crtc->config.dither && intel_crtc->config.pipe_bpp != 30) |
6003 | pipeconf |= PIPECONF_DITHER_EN | |
6400 | pipeconf |= PIPECONF_DITHER_EN | |
6004 | PIPECONF_DITHER_TYPE_SP; |
6401 | PIPECONF_DITHER_TYPE_SP; |
6005 | 6402 | ||
6006 | switch (intel_crtc->config.pipe_bpp) { |
6403 | switch (intel_crtc->config.pipe_bpp) { |
6007 | case 18: |
6404 | case 18: |
6008 | pipeconf |= PIPECONF_6BPC; |
6405 | pipeconf |= PIPECONF_6BPC; |
6009 | break; |
6406 | break; |
6010 | case 24: |
6407 | case 24: |
6011 | pipeconf |= PIPECONF_8BPC; |
6408 | pipeconf |= PIPECONF_8BPC; |
6012 | break; |
6409 | break; |
6013 | case 30: |
6410 | case 30: |
6014 | pipeconf |= PIPECONF_10BPC; |
6411 | pipeconf |= PIPECONF_10BPC; |
6015 | break; |
6412 | break; |
6016 | default: |
6413 | default: |
6017 | /* Case prevented by intel_choose_pipe_bpp_dither. */ |
6414 | /* Case prevented by intel_choose_pipe_bpp_dither. */ |
6018 | BUG(); |
6415 | BUG(); |
6019 | } |
6416 | } |
6020 | } |
6417 | } |
6021 | 6418 | ||
6022 | if (HAS_PIPE_CXSR(dev)) { |
6419 | if (HAS_PIPE_CXSR(dev)) { |
6023 | if (intel_crtc->lowfreq_avail) { |
6420 | if (intel_crtc->lowfreq_avail) { |
6024 | DRM_DEBUG_KMS("enabling CxSR downclocking\n"); |
6421 | DRM_DEBUG_KMS("enabling CxSR downclocking\n"); |
6025 | pipeconf |= PIPECONF_CXSR_DOWNCLOCK; |
6422 | pipeconf |= PIPECONF_CXSR_DOWNCLOCK; |
6026 | } else { |
6423 | } else { |
6027 | DRM_DEBUG_KMS("disabling CxSR downclocking\n"); |
6424 | DRM_DEBUG_KMS("disabling CxSR downclocking\n"); |
6028 | } |
6425 | } |
6029 | } |
6426 | } |
6030 | 6427 | ||
6031 | if (intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) { |
6428 | if (intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) { |
6032 | if (INTEL_INFO(dev)->gen < 4 || |
6429 | if (INTEL_INFO(dev)->gen < 4 || |
6033 | intel_pipe_has_type(&intel_crtc->base, INTEL_OUTPUT_SDVO)) |
6430 | intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
6034 | pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; |
6431 | pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; |
6035 | else |
6432 | else |
6036 | pipeconf |= PIPECONF_INTERLACE_W_SYNC_SHIFT; |
6433 | pipeconf |= PIPECONF_INTERLACE_W_SYNC_SHIFT; |
6037 | } else |
6434 | } else |
6038 | pipeconf |= PIPECONF_PROGRESSIVE; |
6435 | pipeconf |= PIPECONF_PROGRESSIVE; |
6039 | 6436 | ||
6040 | if (IS_VALLEYVIEW(dev) && intel_crtc->config.limited_color_range) |
6437 | if (IS_VALLEYVIEW(dev) && intel_crtc->config.limited_color_range) |
6041 | pipeconf |= PIPECONF_COLOR_RANGE_SELECT; |
6438 | pipeconf |= PIPECONF_COLOR_RANGE_SELECT; |
6042 | 6439 | ||
6043 | I915_WRITE(PIPECONF(intel_crtc->pipe), pipeconf); |
6440 | I915_WRITE(PIPECONF(intel_crtc->pipe), pipeconf); |
6044 | POSTING_READ(PIPECONF(intel_crtc->pipe)); |
6441 | POSTING_READ(PIPECONF(intel_crtc->pipe)); |
6045 | } |
6442 | } |
6046 | 6443 | ||
6047 | static int i9xx_crtc_mode_set(struct drm_crtc *crtc, |
- | |
6048 | int x, int y, |
- | |
6049 | struct drm_framebuffer *fb) |
6444 | static int i9xx_crtc_compute_clock(struct intel_crtc *crtc) |
6050 | { |
6445 | { |
6051 | struct drm_device *dev = crtc->dev; |
6446 | struct drm_device *dev = crtc->base.dev; |
6052 | struct drm_i915_private *dev_priv = dev->dev_private; |
- | |
6053 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6447 | struct drm_i915_private *dev_priv = dev->dev_private; |
6054 | int refclk, num_connectors = 0; |
6448 | int refclk, num_connectors = 0; |
6055 | intel_clock_t clock, reduced_clock; |
6449 | intel_clock_t clock, reduced_clock; |
6056 | bool ok, has_reduced_clock = false; |
6450 | bool ok, has_reduced_clock = false; |
6057 | bool is_lvds = false, is_dsi = false; |
6451 | bool is_lvds = false, is_dsi = false; |
6058 | struct intel_encoder *encoder; |
6452 | struct intel_encoder *encoder; |
6059 | const intel_limit_t *limit; |
6453 | const intel_limit_t *limit; |
6060 | 6454 | ||
- | 6455 | for_each_intel_encoder(dev, encoder) { |
|
- | 6456 | if (encoder->new_crtc != crtc) |
|
- | 6457 | continue; |
|
6061 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
6458 | |
6062 | switch (encoder->type) { |
6459 | switch (encoder->type) { |
6063 | case INTEL_OUTPUT_LVDS: |
6460 | case INTEL_OUTPUT_LVDS: |
6064 | is_lvds = true; |
6461 | is_lvds = true; |
6065 | break; |
6462 | break; |
6066 | case INTEL_OUTPUT_DSI: |
6463 | case INTEL_OUTPUT_DSI: |
6067 | is_dsi = true; |
6464 | is_dsi = true; |
6068 | break; |
6465 | break; |
- | 6466 | default: |
|
- | 6467 | break; |
|
6069 | } |
6468 | } |
6070 | 6469 | ||
6071 | num_connectors++; |
6470 | num_connectors++; |
6072 | } |
6471 | } |
6073 | 6472 | ||
6074 | if (is_dsi) |
6473 | if (is_dsi) |
6075 | return 0; |
6474 | return 0; |
6076 | 6475 | ||
6077 | if (!intel_crtc->config.clock_set) { |
6476 | if (!crtc->new_config->clock_set) { |
6078 | refclk = i9xx_get_refclk(crtc, num_connectors); |
6477 | refclk = i9xx_get_refclk(crtc, num_connectors); |
6079 | 6478 | ||
6080 | /* |
6479 | /* |
6081 | * Returns a set of divisors for the desired target clock with |
6480 | * Returns a set of divisors for the desired target clock with |
6082 | * the given refclk, or FALSE. The returned values represent |
6481 | * the given refclk, or FALSE. The returned values represent |
6083 | * the clock equation: reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + |
6482 | * the clock equation: reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + |
6084 | * 2) / p1 / p2. |
6483 | * 2) / p1 / p2. |
6085 | */ |
6484 | */ |
6086 | limit = intel_limit(crtc, refclk); |
6485 | limit = intel_limit(crtc, refclk); |
6087 | ok = dev_priv->display.find_dpll(limit, crtc, |
6486 | ok = dev_priv->display.find_dpll(limit, crtc, |
6088 | intel_crtc->config.port_clock, |
6487 | crtc->new_config->port_clock, |
6089 | refclk, NULL, &clock); |
6488 | refclk, NULL, &clock); |
6090 | if (!ok) { |
6489 | if (!ok) { |
6091 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
6490 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
6092 | return -EINVAL; |
6491 | return -EINVAL; |
6093 | } |
6492 | } |
6094 | 6493 | ||
6095 | if (is_lvds && dev_priv->lvds_downclock_avail) { |
6494 | if (is_lvds && dev_priv->lvds_downclock_avail) { |
6096 | /* |
6495 | /* |
6097 | * Ensure we match the reduced clock's P to the target |
6496 | * Ensure we match the reduced clock's P to the target |
6098 | * clock. If the clocks don't match, we can't switch |
6497 | * clock. If the clocks don't match, we can't switch |
6099 | * the display clock by using the FP0/FP1. In such case |
6498 | * the display clock by using the FP0/FP1. In such case |
6100 | * we will disable the LVDS downclock feature. |
6499 | * we will disable the LVDS downclock feature. |
6101 | */ |
6500 | */ |
6102 | has_reduced_clock = |
6501 | has_reduced_clock = |
6103 | dev_priv->display.find_dpll(limit, crtc, |
6502 | dev_priv->display.find_dpll(limit, crtc, |
6104 | dev_priv->lvds_downclock, |
6503 | dev_priv->lvds_downclock, |
6105 | refclk, &clock, |
6504 | refclk, &clock, |
6106 | &reduced_clock); |
6505 | &reduced_clock); |
6107 | } |
6506 | } |
6108 | /* Compat-code for transition, will disappear. */ |
6507 | /* Compat-code for transition, will disappear. */ |
6109 | intel_crtc->config.dpll.n = clock.n; |
6508 | crtc->new_config->dpll.n = clock.n; |
6110 | intel_crtc->config.dpll.m1 = clock.m1; |
6509 | crtc->new_config->dpll.m1 = clock.m1; |
6111 | intel_crtc->config.dpll.m2 = clock.m2; |
6510 | crtc->new_config->dpll.m2 = clock.m2; |
6112 | intel_crtc->config.dpll.p1 = clock.p1; |
6511 | crtc->new_config->dpll.p1 = clock.p1; |
6113 | intel_crtc->config.dpll.p2 = clock.p2; |
6512 | crtc->new_config->dpll.p2 = clock.p2; |
6114 | } |
6513 | } |
6115 | 6514 | ||
6116 | if (IS_GEN2(dev)) { |
6515 | if (IS_GEN2(dev)) { |
6117 | i8xx_update_pll(intel_crtc, |
6516 | i8xx_update_pll(crtc, |
6118 | has_reduced_clock ? &reduced_clock : NULL, |
6517 | has_reduced_clock ? &reduced_clock : NULL, |
6119 | num_connectors); |
6518 | num_connectors); |
6120 | } else if (IS_CHERRYVIEW(dev)) { |
6519 | } else if (IS_CHERRYVIEW(dev)) { |
6121 | chv_update_pll(intel_crtc); |
6520 | chv_update_pll(crtc, crtc->new_config); |
6122 | } else if (IS_VALLEYVIEW(dev)) { |
6521 | } else if (IS_VALLEYVIEW(dev)) { |
6123 | vlv_update_pll(intel_crtc); |
6522 | vlv_update_pll(crtc, crtc->new_config); |
6124 | } else { |
6523 | } else { |
6125 | i9xx_update_pll(intel_crtc, |
6524 | i9xx_update_pll(crtc, |
6126 | has_reduced_clock ? &reduced_clock : NULL, |
6525 | has_reduced_clock ? &reduced_clock : NULL, |
6127 | num_connectors); |
6526 | num_connectors); |
6128 | } |
6527 | } |
6129 | 6528 | ||
6130 | return 0; |
6529 | return 0; |
6131 | } |
6530 | } |
6132 | 6531 | ||
6133 | static void i9xx_get_pfit_config(struct intel_crtc *crtc, |
6532 | static void i9xx_get_pfit_config(struct intel_crtc *crtc, |
6134 | struct intel_crtc_config *pipe_config) |
6533 | struct intel_crtc_config *pipe_config) |
6135 | { |
6534 | { |
6136 | struct drm_device *dev = crtc->base.dev; |
6535 | struct drm_device *dev = crtc->base.dev; |
6137 | struct drm_i915_private *dev_priv = dev->dev_private; |
6536 | struct drm_i915_private *dev_priv = dev->dev_private; |
6138 | uint32_t tmp; |
6537 | uint32_t tmp; |
6139 | 6538 | ||
6140 | if (INTEL_INFO(dev)->gen <= 3 && (IS_I830(dev) || !IS_MOBILE(dev))) |
6539 | if (INTEL_INFO(dev)->gen <= 3 && (IS_I830(dev) || !IS_MOBILE(dev))) |
6141 | return; |
6540 | return; |
6142 | 6541 | ||
6143 | tmp = I915_READ(PFIT_CONTROL); |
6542 | tmp = I915_READ(PFIT_CONTROL); |
6144 | if (!(tmp & PFIT_ENABLE)) |
6543 | if (!(tmp & PFIT_ENABLE)) |
6145 | return; |
6544 | return; |
6146 | 6545 | ||
6147 | /* Check whether the pfit is attached to our pipe. */ |
6546 | /* Check whether the pfit is attached to our pipe. */ |
6148 | if (INTEL_INFO(dev)->gen < 4) { |
6547 | if (INTEL_INFO(dev)->gen < 4) { |
6149 | if (crtc->pipe != PIPE_B) |
6548 | if (crtc->pipe != PIPE_B) |
6150 | return; |
6549 | return; |
6151 | } else { |
6550 | } else { |
6152 | if ((tmp & PFIT_PIPE_MASK) != (crtc->pipe << PFIT_PIPE_SHIFT)) |
6551 | if ((tmp & PFIT_PIPE_MASK) != (crtc->pipe << PFIT_PIPE_SHIFT)) |
6153 | return; |
6552 | return; |
6154 | } |
6553 | } |
6155 | 6554 | ||
6156 | pipe_config->gmch_pfit.control = tmp; |
6555 | pipe_config->gmch_pfit.control = tmp; |
6157 | pipe_config->gmch_pfit.pgm_ratios = I915_READ(PFIT_PGM_RATIOS); |
6556 | pipe_config->gmch_pfit.pgm_ratios = I915_READ(PFIT_PGM_RATIOS); |
6158 | if (INTEL_INFO(dev)->gen < 5) |
6557 | if (INTEL_INFO(dev)->gen < 5) |
6159 | pipe_config->gmch_pfit.lvds_border_bits = |
6558 | pipe_config->gmch_pfit.lvds_border_bits = |
6160 | I915_READ(LVDS) & LVDS_BORDER_ENABLE; |
6559 | I915_READ(LVDS) & LVDS_BORDER_ENABLE; |
6161 | } |
6560 | } |
6162 | 6561 | ||
6163 | static void vlv_crtc_clock_get(struct intel_crtc *crtc, |
6562 | static void vlv_crtc_clock_get(struct intel_crtc *crtc, |
6164 | struct intel_crtc_config *pipe_config) |
6563 | struct intel_crtc_config *pipe_config) |
6165 | { |
6564 | { |
6166 | struct drm_device *dev = crtc->base.dev; |
6565 | struct drm_device *dev = crtc->base.dev; |
6167 | struct drm_i915_private *dev_priv = dev->dev_private; |
6566 | struct drm_i915_private *dev_priv = dev->dev_private; |
6168 | int pipe = pipe_config->cpu_transcoder; |
6567 | int pipe = pipe_config->cpu_transcoder; |
6169 | intel_clock_t clock; |
6568 | intel_clock_t clock; |
6170 | u32 mdiv; |
6569 | u32 mdiv; |
6171 | int refclk = 100000; |
6570 | int refclk = 100000; |
6172 | 6571 | ||
6173 | /* In case of MIPI DPLL will not even be used */ |
6572 | /* In case of MIPI DPLL will not even be used */ |
6174 | if (!(pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE)) |
6573 | if (!(pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE)) |
6175 | return; |
6574 | return; |
6176 | 6575 | ||
6177 | mutex_lock(&dev_priv->dpio_lock); |
6576 | mutex_lock(&dev_priv->dpio_lock); |
6178 | mdiv = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW3(pipe)); |
6577 | mdiv = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW3(pipe)); |
6179 | mutex_unlock(&dev_priv->dpio_lock); |
6578 | mutex_unlock(&dev_priv->dpio_lock); |
6180 | 6579 | ||
6181 | clock.m1 = (mdiv >> DPIO_M1DIV_SHIFT) & 7; |
6580 | clock.m1 = (mdiv >> DPIO_M1DIV_SHIFT) & 7; |
6182 | clock.m2 = mdiv & DPIO_M2DIV_MASK; |
6581 | clock.m2 = mdiv & DPIO_M2DIV_MASK; |
6183 | clock.n = (mdiv >> DPIO_N_SHIFT) & 0xf; |
6582 | clock.n = (mdiv >> DPIO_N_SHIFT) & 0xf; |
6184 | clock.p1 = (mdiv >> DPIO_P1_SHIFT) & 7; |
6583 | clock.p1 = (mdiv >> DPIO_P1_SHIFT) & 7; |
6185 | clock.p2 = (mdiv >> DPIO_P2_SHIFT) & 0x1f; |
6584 | clock.p2 = (mdiv >> DPIO_P2_SHIFT) & 0x1f; |
6186 | 6585 | ||
6187 | vlv_clock(refclk, &clock); |
6586 | vlv_clock(refclk, &clock); |
6188 | 6587 | ||
6189 | /* clock.dot is the fast clock */ |
6588 | /* clock.dot is the fast clock */ |
6190 | pipe_config->port_clock = clock.dot / 5; |
6589 | pipe_config->port_clock = clock.dot / 5; |
6191 | } |
6590 | } |
6192 | 6591 | ||
6193 | static void i9xx_get_plane_config(struct intel_crtc *crtc, |
6592 | static void i9xx_get_plane_config(struct intel_crtc *crtc, |
6194 | struct intel_plane_config *plane_config) |
6593 | struct intel_plane_config *plane_config) |
6195 | { |
6594 | { |
6196 | struct drm_device *dev = crtc->base.dev; |
6595 | struct drm_device *dev = crtc->base.dev; |
6197 | struct drm_i915_private *dev_priv = dev->dev_private; |
6596 | struct drm_i915_private *dev_priv = dev->dev_private; |
6198 | u32 val, base, offset; |
6597 | u32 val, base, offset; |
6199 | int pipe = crtc->pipe, plane = crtc->plane; |
6598 | int pipe = crtc->pipe, plane = crtc->plane; |
6200 | int fourcc, pixel_format; |
6599 | int fourcc, pixel_format; |
6201 | int aligned_height; |
6600 | int aligned_height; |
6202 | 6601 | ||
6203 | crtc->base.primary->fb = kzalloc(sizeof(struct intel_framebuffer), GFP_KERNEL); |
6602 | crtc->base.primary->fb = kzalloc(sizeof(struct intel_framebuffer), GFP_KERNEL); |
6204 | if (!crtc->base.primary->fb) { |
6603 | if (!crtc->base.primary->fb) { |
6205 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
6604 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
6206 | return; |
6605 | return; |
6207 | } |
6606 | } |
6208 | 6607 | ||
6209 | val = I915_READ(DSPCNTR(plane)); |
6608 | val = I915_READ(DSPCNTR(plane)); |
6210 | 6609 | ||
6211 | if (INTEL_INFO(dev)->gen >= 4) |
6610 | if (INTEL_INFO(dev)->gen >= 4) |
6212 | if (val & DISPPLANE_TILED) |
6611 | if (val & DISPPLANE_TILED) |
6213 | plane_config->tiled = true; |
6612 | plane_config->tiled = true; |
6214 | 6613 | ||
6215 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; |
6614 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; |
6216 | fourcc = intel_format_to_fourcc(pixel_format); |
6615 | fourcc = intel_format_to_fourcc(pixel_format); |
6217 | crtc->base.primary->fb->pixel_format = fourcc; |
6616 | crtc->base.primary->fb->pixel_format = fourcc; |
6218 | crtc->base.primary->fb->bits_per_pixel = |
6617 | crtc->base.primary->fb->bits_per_pixel = |
6219 | drm_format_plane_cpp(fourcc, 0) * 8; |
6618 | drm_format_plane_cpp(fourcc, 0) * 8; |
6220 | 6619 | ||
6221 | if (INTEL_INFO(dev)->gen >= 4) { |
6620 | if (INTEL_INFO(dev)->gen >= 4) { |
6222 | if (plane_config->tiled) |
6621 | if (plane_config->tiled) |
6223 | offset = I915_READ(DSPTILEOFF(plane)); |
6622 | offset = I915_READ(DSPTILEOFF(plane)); |
6224 | else |
6623 | else |
6225 | offset = I915_READ(DSPLINOFF(plane)); |
6624 | offset = I915_READ(DSPLINOFF(plane)); |
6226 | base = I915_READ(DSPSURF(plane)) & 0xfffff000; |
6625 | base = I915_READ(DSPSURF(plane)) & 0xfffff000; |
6227 | } else { |
6626 | } else { |
6228 | base = I915_READ(DSPADDR(plane)); |
6627 | base = I915_READ(DSPADDR(plane)); |
6229 | } |
6628 | } |
6230 | plane_config->base = base; |
6629 | plane_config->base = base; |
6231 | 6630 | ||
6232 | val = I915_READ(PIPESRC(pipe)); |
6631 | val = I915_READ(PIPESRC(pipe)); |
6233 | crtc->base.primary->fb->width = ((val >> 16) & 0xfff) + 1; |
6632 | crtc->base.primary->fb->width = ((val >> 16) & 0xfff) + 1; |
6234 | crtc->base.primary->fb->height = ((val >> 0) & 0xfff) + 1; |
6633 | crtc->base.primary->fb->height = ((val >> 0) & 0xfff) + 1; |
6235 | 6634 | ||
6236 | val = I915_READ(DSPSTRIDE(pipe)); |
6635 | val = I915_READ(DSPSTRIDE(pipe)); |
6237 | crtc->base.primary->fb->pitches[0] = val & 0xffffff80; |
6636 | crtc->base.primary->fb->pitches[0] = val & 0xffffffc0; |
6238 | 6637 | ||
6239 | aligned_height = intel_align_height(dev, crtc->base.primary->fb->height, |
6638 | aligned_height = intel_align_height(dev, crtc->base.primary->fb->height, |
6240 | plane_config->tiled); |
6639 | plane_config->tiled); |
6241 | 6640 | ||
6242 | plane_config->size = 16*1024*1024; |
6641 | plane_config->size = 16*1024*1024; |
6243 | 6642 | ||
6244 | 6643 | ||
6245 | DRM_DEBUG_KMS("pipe/plane %d/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", |
6644 | DRM_DEBUG_KMS("pipe/plane %d/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", |
6246 | pipe, plane, crtc->base.primary->fb->width, |
6645 | pipe, plane, crtc->base.primary->fb->width, |
6247 | crtc->base.primary->fb->height, |
6646 | crtc->base.primary->fb->height, |
6248 | crtc->base.primary->fb->bits_per_pixel, base, |
6647 | crtc->base.primary->fb->bits_per_pixel, base, |
6249 | crtc->base.primary->fb->pitches[0], |
6648 | crtc->base.primary->fb->pitches[0], |
6250 | plane_config->size); |
6649 | plane_config->size); |
6251 | 6650 | ||
6252 | } |
6651 | } |
6253 | 6652 | ||
6254 | static void chv_crtc_clock_get(struct intel_crtc *crtc, |
6653 | static void chv_crtc_clock_get(struct intel_crtc *crtc, |
6255 | struct intel_crtc_config *pipe_config) |
6654 | struct intel_crtc_config *pipe_config) |
6256 | { |
6655 | { |
6257 | struct drm_device *dev = crtc->base.dev; |
6656 | struct drm_device *dev = crtc->base.dev; |
6258 | struct drm_i915_private *dev_priv = dev->dev_private; |
6657 | struct drm_i915_private *dev_priv = dev->dev_private; |
6259 | int pipe = pipe_config->cpu_transcoder; |
6658 | int pipe = pipe_config->cpu_transcoder; |
6260 | enum dpio_channel port = vlv_pipe_to_channel(pipe); |
6659 | enum dpio_channel port = vlv_pipe_to_channel(pipe); |
6261 | intel_clock_t clock; |
6660 | intel_clock_t clock; |
6262 | u32 cmn_dw13, pll_dw0, pll_dw1, pll_dw2; |
6661 | u32 cmn_dw13, pll_dw0, pll_dw1, pll_dw2; |
6263 | int refclk = 100000; |
6662 | int refclk = 100000; |
6264 | 6663 | ||
6265 | mutex_lock(&dev_priv->dpio_lock); |
6664 | mutex_lock(&dev_priv->dpio_lock); |
6266 | cmn_dw13 = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW13(port)); |
6665 | cmn_dw13 = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW13(port)); |
6267 | pll_dw0 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW0(port)); |
6666 | pll_dw0 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW0(port)); |
6268 | pll_dw1 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW1(port)); |
6667 | pll_dw1 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW1(port)); |
6269 | pll_dw2 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW2(port)); |
6668 | pll_dw2 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW2(port)); |
6270 | mutex_unlock(&dev_priv->dpio_lock); |
6669 | mutex_unlock(&dev_priv->dpio_lock); |
6271 | 6670 | ||
6272 | clock.m1 = (pll_dw1 & 0x7) == DPIO_CHV_M1_DIV_BY_2 ? 2 : 0; |
6671 | clock.m1 = (pll_dw1 & 0x7) == DPIO_CHV_M1_DIV_BY_2 ? 2 : 0; |
6273 | clock.m2 = ((pll_dw0 & 0xff) << 22) | (pll_dw2 & 0x3fffff); |
6672 | clock.m2 = ((pll_dw0 & 0xff) << 22) | (pll_dw2 & 0x3fffff); |
6274 | clock.n = (pll_dw1 >> DPIO_CHV_N_DIV_SHIFT) & 0xf; |
6673 | clock.n = (pll_dw1 >> DPIO_CHV_N_DIV_SHIFT) & 0xf; |
6275 | clock.p1 = (cmn_dw13 >> DPIO_CHV_P1_DIV_SHIFT) & 0x7; |
6674 | clock.p1 = (cmn_dw13 >> DPIO_CHV_P1_DIV_SHIFT) & 0x7; |
6276 | clock.p2 = (cmn_dw13 >> DPIO_CHV_P2_DIV_SHIFT) & 0x1f; |
6675 | clock.p2 = (cmn_dw13 >> DPIO_CHV_P2_DIV_SHIFT) & 0x1f; |
6277 | 6676 | ||
6278 | chv_clock(refclk, &clock); |
6677 | chv_clock(refclk, &clock); |
6279 | 6678 | ||
6280 | /* clock.dot is the fast clock */ |
6679 | /* clock.dot is the fast clock */ |
6281 | pipe_config->port_clock = clock.dot / 5; |
6680 | pipe_config->port_clock = clock.dot / 5; |
6282 | } |
6681 | } |
6283 | 6682 | ||
6284 | static bool i9xx_get_pipe_config(struct intel_crtc *crtc, |
6683 | static bool i9xx_get_pipe_config(struct intel_crtc *crtc, |
6285 | struct intel_crtc_config *pipe_config) |
6684 | struct intel_crtc_config *pipe_config) |
6286 | { |
6685 | { |
6287 | struct drm_device *dev = crtc->base.dev; |
6686 | struct drm_device *dev = crtc->base.dev; |
6288 | struct drm_i915_private *dev_priv = dev->dev_private; |
6687 | struct drm_i915_private *dev_priv = dev->dev_private; |
6289 | uint32_t tmp; |
6688 | uint32_t tmp; |
6290 | 6689 | ||
6291 | if (!intel_display_power_enabled(dev_priv, |
6690 | if (!intel_display_power_is_enabled(dev_priv, |
6292 | POWER_DOMAIN_PIPE(crtc->pipe))) |
6691 | POWER_DOMAIN_PIPE(crtc->pipe))) |
6293 | return false; |
6692 | return false; |
6294 | 6693 | ||
6295 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
6694 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
6296 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
6695 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
6297 | 6696 | ||
6298 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
6697 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
6299 | if (!(tmp & PIPECONF_ENABLE)) |
6698 | if (!(tmp & PIPECONF_ENABLE)) |
6300 | return false; |
6699 | return false; |
6301 | 6700 | ||
6302 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) { |
6701 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) { |
6303 | switch (tmp & PIPECONF_BPC_MASK) { |
6702 | switch (tmp & PIPECONF_BPC_MASK) { |
6304 | case PIPECONF_6BPC: |
6703 | case PIPECONF_6BPC: |
6305 | pipe_config->pipe_bpp = 18; |
6704 | pipe_config->pipe_bpp = 18; |
6306 | break; |
6705 | break; |
6307 | case PIPECONF_8BPC: |
6706 | case PIPECONF_8BPC: |
6308 | pipe_config->pipe_bpp = 24; |
6707 | pipe_config->pipe_bpp = 24; |
6309 | break; |
6708 | break; |
6310 | case PIPECONF_10BPC: |
6709 | case PIPECONF_10BPC: |
6311 | pipe_config->pipe_bpp = 30; |
6710 | pipe_config->pipe_bpp = 30; |
6312 | break; |
6711 | break; |
6313 | default: |
6712 | default: |
6314 | break; |
6713 | break; |
6315 | } |
6714 | } |
6316 | } |
6715 | } |
6317 | 6716 | ||
6318 | if (IS_VALLEYVIEW(dev) && (tmp & PIPECONF_COLOR_RANGE_SELECT)) |
6717 | if (IS_VALLEYVIEW(dev) && (tmp & PIPECONF_COLOR_RANGE_SELECT)) |
6319 | pipe_config->limited_color_range = true; |
6718 | pipe_config->limited_color_range = true; |
6320 | 6719 | ||
6321 | if (INTEL_INFO(dev)->gen < 4) |
6720 | if (INTEL_INFO(dev)->gen < 4) |
6322 | pipe_config->double_wide = tmp & PIPECONF_DOUBLE_WIDE; |
6721 | pipe_config->double_wide = tmp & PIPECONF_DOUBLE_WIDE; |
6323 | 6722 | ||
6324 | intel_get_pipe_timings(crtc, pipe_config); |
6723 | intel_get_pipe_timings(crtc, pipe_config); |
6325 | 6724 | ||
6326 | i9xx_get_pfit_config(crtc, pipe_config); |
6725 | i9xx_get_pfit_config(crtc, pipe_config); |
6327 | 6726 | ||
6328 | if (INTEL_INFO(dev)->gen >= 4) { |
6727 | if (INTEL_INFO(dev)->gen >= 4) { |
6329 | tmp = I915_READ(DPLL_MD(crtc->pipe)); |
6728 | tmp = I915_READ(DPLL_MD(crtc->pipe)); |
6330 | pipe_config->pixel_multiplier = |
6729 | pipe_config->pixel_multiplier = |
6331 | ((tmp & DPLL_MD_UDI_MULTIPLIER_MASK) |
6730 | ((tmp & DPLL_MD_UDI_MULTIPLIER_MASK) |
6332 | >> DPLL_MD_UDI_MULTIPLIER_SHIFT) + 1; |
6731 | >> DPLL_MD_UDI_MULTIPLIER_SHIFT) + 1; |
6333 | pipe_config->dpll_hw_state.dpll_md = tmp; |
6732 | pipe_config->dpll_hw_state.dpll_md = tmp; |
6334 | } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
6733 | } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
6335 | tmp = I915_READ(DPLL(crtc->pipe)); |
6734 | tmp = I915_READ(DPLL(crtc->pipe)); |
6336 | pipe_config->pixel_multiplier = |
6735 | pipe_config->pixel_multiplier = |
6337 | ((tmp & SDVO_MULTIPLIER_MASK) |
6736 | ((tmp & SDVO_MULTIPLIER_MASK) |
6338 | >> SDVO_MULTIPLIER_SHIFT_HIRES) + 1; |
6737 | >> SDVO_MULTIPLIER_SHIFT_HIRES) + 1; |
6339 | } else { |
6738 | } else { |
6340 | /* Note that on i915G/GM the pixel multiplier is in the sdvo |
6739 | /* Note that on i915G/GM the pixel multiplier is in the sdvo |
6341 | * port and will be fixed up in the encoder->get_config |
6740 | * port and will be fixed up in the encoder->get_config |
6342 | * function. */ |
6741 | * function. */ |
6343 | pipe_config->pixel_multiplier = 1; |
6742 | pipe_config->pixel_multiplier = 1; |
6344 | } |
6743 | } |
6345 | pipe_config->dpll_hw_state.dpll = I915_READ(DPLL(crtc->pipe)); |
6744 | pipe_config->dpll_hw_state.dpll = I915_READ(DPLL(crtc->pipe)); |
6346 | if (!IS_VALLEYVIEW(dev)) { |
6745 | if (!IS_VALLEYVIEW(dev)) { |
- | 6746 | /* |
|
- | 6747 | * DPLL_DVO_2X_MODE must be enabled for both DPLLs |
|
- | 6748 | * on 830. Filter it out here so that we don't |
|
- | 6749 | * report errors due to that. |
|
- | 6750 | */ |
|
- | 6751 | if (IS_I830(dev)) |
|
- | 6752 | pipe_config->dpll_hw_state.dpll &= ~DPLL_DVO_2X_MODE; |
|
- | 6753 | ||
6347 | pipe_config->dpll_hw_state.fp0 = I915_READ(FP0(crtc->pipe)); |
6754 | pipe_config->dpll_hw_state.fp0 = I915_READ(FP0(crtc->pipe)); |
6348 | pipe_config->dpll_hw_state.fp1 = I915_READ(FP1(crtc->pipe)); |
6755 | pipe_config->dpll_hw_state.fp1 = I915_READ(FP1(crtc->pipe)); |
6349 | } else { |
6756 | } else { |
6350 | /* Mask out read-only status bits. */ |
6757 | /* Mask out read-only status bits. */ |
6351 | pipe_config->dpll_hw_state.dpll &= ~(DPLL_LOCK_VLV | |
6758 | pipe_config->dpll_hw_state.dpll &= ~(DPLL_LOCK_VLV | |
6352 | DPLL_PORTC_READY_MASK | |
6759 | DPLL_PORTC_READY_MASK | |
6353 | DPLL_PORTB_READY_MASK); |
6760 | DPLL_PORTB_READY_MASK); |
6354 | } |
6761 | } |
6355 | 6762 | ||
6356 | if (IS_CHERRYVIEW(dev)) |
6763 | if (IS_CHERRYVIEW(dev)) |
6357 | chv_crtc_clock_get(crtc, pipe_config); |
6764 | chv_crtc_clock_get(crtc, pipe_config); |
6358 | else if (IS_VALLEYVIEW(dev)) |
6765 | else if (IS_VALLEYVIEW(dev)) |
6359 | vlv_crtc_clock_get(crtc, pipe_config); |
6766 | vlv_crtc_clock_get(crtc, pipe_config); |
6360 | else |
6767 | else |
6361 | i9xx_crtc_clock_get(crtc, pipe_config); |
6768 | i9xx_crtc_clock_get(crtc, pipe_config); |
6362 | 6769 | ||
6363 | return true; |
6770 | return true; |
6364 | } |
6771 | } |
6365 | 6772 | ||
6366 | static void ironlake_init_pch_refclk(struct drm_device *dev) |
6773 | static void ironlake_init_pch_refclk(struct drm_device *dev) |
6367 | { |
6774 | { |
6368 | struct drm_i915_private *dev_priv = dev->dev_private; |
6775 | struct drm_i915_private *dev_priv = dev->dev_private; |
6369 | struct drm_mode_config *mode_config = &dev->mode_config; |
- | |
6370 | struct intel_encoder *encoder; |
6776 | struct intel_encoder *encoder; |
6371 | u32 val, final; |
6777 | u32 val, final; |
6372 | bool has_lvds = false; |
6778 | bool has_lvds = false; |
6373 | bool has_cpu_edp = false; |
6779 | bool has_cpu_edp = false; |
6374 | bool has_panel = false; |
6780 | bool has_panel = false; |
6375 | bool has_ck505 = false; |
6781 | bool has_ck505 = false; |
6376 | bool can_ssc = false; |
6782 | bool can_ssc = false; |
6377 | 6783 | ||
6378 | /* We need to take the global config into account */ |
6784 | /* We need to take the global config into account */ |
6379 | list_for_each_entry(encoder, &mode_config->encoder_list, |
6785 | for_each_intel_encoder(dev, encoder) { |
6380 | base.head) { |
- | |
6381 | switch (encoder->type) { |
6786 | switch (encoder->type) { |
6382 | case INTEL_OUTPUT_LVDS: |
6787 | case INTEL_OUTPUT_LVDS: |
6383 | has_panel = true; |
6788 | has_panel = true; |
6384 | has_lvds = true; |
6789 | has_lvds = true; |
6385 | break; |
6790 | break; |
6386 | case INTEL_OUTPUT_EDP: |
6791 | case INTEL_OUTPUT_EDP: |
6387 | has_panel = true; |
6792 | has_panel = true; |
6388 | if (enc_to_dig_port(&encoder->base)->port == PORT_A) |
6793 | if (enc_to_dig_port(&encoder->base)->port == PORT_A) |
6389 | has_cpu_edp = true; |
6794 | has_cpu_edp = true; |
6390 | break; |
6795 | break; |
- | 6796 | default: |
|
- | 6797 | break; |
|
6391 | } |
6798 | } |
6392 | } |
6799 | } |
6393 | 6800 | ||
6394 | if (HAS_PCH_IBX(dev)) { |
6801 | if (HAS_PCH_IBX(dev)) { |
6395 | has_ck505 = dev_priv->vbt.display_clock_mode; |
6802 | has_ck505 = dev_priv->vbt.display_clock_mode; |
6396 | can_ssc = has_ck505; |
6803 | can_ssc = has_ck505; |
6397 | } else { |
6804 | } else { |
6398 | has_ck505 = false; |
6805 | has_ck505 = false; |
6399 | can_ssc = true; |
6806 | can_ssc = true; |
6400 | } |
6807 | } |
6401 | 6808 | ||
6402 | DRM_DEBUG_KMS("has_panel %d has_lvds %d has_ck505 %d\n", |
6809 | DRM_DEBUG_KMS("has_panel %d has_lvds %d has_ck505 %d\n", |
6403 | has_panel, has_lvds, has_ck505); |
6810 | has_panel, has_lvds, has_ck505); |
6404 | 6811 | ||
6405 | /* Ironlake: try to setup display ref clock before DPLL |
6812 | /* Ironlake: try to setup display ref clock before DPLL |
6406 | * enabling. This is only under driver's control after |
6813 | * enabling. This is only under driver's control after |
6407 | * PCH B stepping, previous chipset stepping should be |
6814 | * PCH B stepping, previous chipset stepping should be |
6408 | * ignoring this setting. |
6815 | * ignoring this setting. |
6409 | */ |
6816 | */ |
6410 | val = I915_READ(PCH_DREF_CONTROL); |
6817 | val = I915_READ(PCH_DREF_CONTROL); |
6411 | 6818 | ||
6412 | /* As we must carefully and slowly disable/enable each source in turn, |
6819 | /* As we must carefully and slowly disable/enable each source in turn, |
6413 | * compute the final state we want first and check if we need to |
6820 | * compute the final state we want first and check if we need to |
6414 | * make any changes at all. |
6821 | * make any changes at all. |
6415 | */ |
6822 | */ |
6416 | final = val; |
6823 | final = val; |
6417 | final &= ~DREF_NONSPREAD_SOURCE_MASK; |
6824 | final &= ~DREF_NONSPREAD_SOURCE_MASK; |
6418 | if (has_ck505) |
6825 | if (has_ck505) |
6419 | final |= DREF_NONSPREAD_CK505_ENABLE; |
6826 | final |= DREF_NONSPREAD_CK505_ENABLE; |
6420 | else |
6827 | else |
6421 | final |= DREF_NONSPREAD_SOURCE_ENABLE; |
6828 | final |= DREF_NONSPREAD_SOURCE_ENABLE; |
6422 | 6829 | ||
6423 | final &= ~DREF_SSC_SOURCE_MASK; |
6830 | final &= ~DREF_SSC_SOURCE_MASK; |
6424 | final &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
6831 | final &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
6425 | final &= ~DREF_SSC1_ENABLE; |
6832 | final &= ~DREF_SSC1_ENABLE; |
6426 | 6833 | ||
6427 | if (has_panel) { |
6834 | if (has_panel) { |
6428 | final |= DREF_SSC_SOURCE_ENABLE; |
6835 | final |= DREF_SSC_SOURCE_ENABLE; |
6429 | 6836 | ||
6430 | if (intel_panel_use_ssc(dev_priv) && can_ssc) |
6837 | if (intel_panel_use_ssc(dev_priv) && can_ssc) |
6431 | final |= DREF_SSC1_ENABLE; |
6838 | final |= DREF_SSC1_ENABLE; |
6432 | 6839 | ||
6433 | if (has_cpu_edp) { |
6840 | if (has_cpu_edp) { |
6434 | if (intel_panel_use_ssc(dev_priv) && can_ssc) |
6841 | if (intel_panel_use_ssc(dev_priv) && can_ssc) |
6435 | final |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; |
6842 | final |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; |
6436 | else |
6843 | else |
6437 | final |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; |
6844 | final |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; |
6438 | } else |
6845 | } else |
6439 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
6846 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
6440 | } else { |
6847 | } else { |
6441 | final |= DREF_SSC_SOURCE_DISABLE; |
6848 | final |= DREF_SSC_SOURCE_DISABLE; |
6442 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
6849 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
6443 | } |
6850 | } |
6444 | 6851 | ||
6445 | if (final == val) |
6852 | if (final == val) |
6446 | return; |
6853 | return; |
6447 | 6854 | ||
6448 | /* Always enable nonspread source */ |
6855 | /* Always enable nonspread source */ |
6449 | val &= ~DREF_NONSPREAD_SOURCE_MASK; |
6856 | val &= ~DREF_NONSPREAD_SOURCE_MASK; |
6450 | 6857 | ||
6451 | if (has_ck505) |
6858 | if (has_ck505) |
6452 | val |= DREF_NONSPREAD_CK505_ENABLE; |
6859 | val |= DREF_NONSPREAD_CK505_ENABLE; |
6453 | else |
6860 | else |
6454 | val |= DREF_NONSPREAD_SOURCE_ENABLE; |
6861 | val |= DREF_NONSPREAD_SOURCE_ENABLE; |
6455 | 6862 | ||
6456 | if (has_panel) { |
6863 | if (has_panel) { |
6457 | val &= ~DREF_SSC_SOURCE_MASK; |
6864 | val &= ~DREF_SSC_SOURCE_MASK; |
6458 | val |= DREF_SSC_SOURCE_ENABLE; |
6865 | val |= DREF_SSC_SOURCE_ENABLE; |
6459 | 6866 | ||
6460 | /* SSC must be turned on before enabling the CPU output */ |
6867 | /* SSC must be turned on before enabling the CPU output */ |
6461 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
6868 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
6462 | DRM_DEBUG_KMS("Using SSC on panel\n"); |
6869 | DRM_DEBUG_KMS("Using SSC on panel\n"); |
6463 | val |= DREF_SSC1_ENABLE; |
6870 | val |= DREF_SSC1_ENABLE; |
6464 | } else |
6871 | } else |
6465 | val &= ~DREF_SSC1_ENABLE; |
6872 | val &= ~DREF_SSC1_ENABLE; |
6466 | 6873 | ||
6467 | /* Get SSC going before enabling the outputs */ |
6874 | /* Get SSC going before enabling the outputs */ |
6468 | I915_WRITE(PCH_DREF_CONTROL, val); |
6875 | I915_WRITE(PCH_DREF_CONTROL, val); |
6469 | POSTING_READ(PCH_DREF_CONTROL); |
6876 | POSTING_READ(PCH_DREF_CONTROL); |
6470 | udelay(200); |
6877 | udelay(200); |
6471 | 6878 | ||
6472 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
6879 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
6473 | 6880 | ||
6474 | /* Enable CPU source on CPU attached eDP */ |
6881 | /* Enable CPU source on CPU attached eDP */ |
6475 | if (has_cpu_edp) { |
6882 | if (has_cpu_edp) { |
6476 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
6883 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
6477 | DRM_DEBUG_KMS("Using SSC on eDP\n"); |
6884 | DRM_DEBUG_KMS("Using SSC on eDP\n"); |
6478 | val |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; |
6885 | val |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; |
6479 | } else |
6886 | } else |
6480 | val |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; |
6887 | val |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; |
6481 | } else |
6888 | } else |
6482 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
6889 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
6483 | 6890 | ||
6484 | I915_WRITE(PCH_DREF_CONTROL, val); |
6891 | I915_WRITE(PCH_DREF_CONTROL, val); |
6485 | POSTING_READ(PCH_DREF_CONTROL); |
6892 | POSTING_READ(PCH_DREF_CONTROL); |
6486 | udelay(200); |
6893 | udelay(200); |
6487 | } else { |
6894 | } else { |
6488 | DRM_DEBUG_KMS("Disabling SSC entirely\n"); |
6895 | DRM_DEBUG_KMS("Disabling SSC entirely\n"); |
6489 | 6896 | ||
6490 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
6897 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
6491 | 6898 | ||
6492 | /* Turn off CPU output */ |
6899 | /* Turn off CPU output */ |
6493 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
6900 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
6494 | 6901 | ||
6495 | I915_WRITE(PCH_DREF_CONTROL, val); |
6902 | I915_WRITE(PCH_DREF_CONTROL, val); |
6496 | POSTING_READ(PCH_DREF_CONTROL); |
6903 | POSTING_READ(PCH_DREF_CONTROL); |
6497 | udelay(200); |
6904 | udelay(200); |
6498 | 6905 | ||
6499 | /* Turn off the SSC source */ |
6906 | /* Turn off the SSC source */ |
6500 | val &= ~DREF_SSC_SOURCE_MASK; |
6907 | val &= ~DREF_SSC_SOURCE_MASK; |
6501 | val |= DREF_SSC_SOURCE_DISABLE; |
6908 | val |= DREF_SSC_SOURCE_DISABLE; |
6502 | 6909 | ||
6503 | /* Turn off SSC1 */ |
6910 | /* Turn off SSC1 */ |
6504 | val &= ~DREF_SSC1_ENABLE; |
6911 | val &= ~DREF_SSC1_ENABLE; |
6505 | 6912 | ||
6506 | I915_WRITE(PCH_DREF_CONTROL, val); |
6913 | I915_WRITE(PCH_DREF_CONTROL, val); |
6507 | POSTING_READ(PCH_DREF_CONTROL); |
6914 | POSTING_READ(PCH_DREF_CONTROL); |
6508 | udelay(200); |
6915 | udelay(200); |
6509 | } |
6916 | } |
6510 | 6917 | ||
6511 | BUG_ON(val != final); |
6918 | BUG_ON(val != final); |
6512 | } |
6919 | } |
6513 | 6920 | ||
6514 | static void lpt_reset_fdi_mphy(struct drm_i915_private *dev_priv) |
6921 | static void lpt_reset_fdi_mphy(struct drm_i915_private *dev_priv) |
6515 | { |
6922 | { |
6516 | uint32_t tmp; |
6923 | uint32_t tmp; |
6517 | 6924 | ||
6518 | tmp = I915_READ(SOUTH_CHICKEN2); |
6925 | tmp = I915_READ(SOUTH_CHICKEN2); |
6519 | tmp |= FDI_MPHY_IOSFSB_RESET_CTL; |
6926 | tmp |= FDI_MPHY_IOSFSB_RESET_CTL; |
6520 | I915_WRITE(SOUTH_CHICKEN2, tmp); |
6927 | I915_WRITE(SOUTH_CHICKEN2, tmp); |
6521 | 6928 | ||
6522 | if (wait_for_atomic_us(I915_READ(SOUTH_CHICKEN2) & |
6929 | if (wait_for_atomic_us(I915_READ(SOUTH_CHICKEN2) & |
6523 | FDI_MPHY_IOSFSB_RESET_STATUS, 100)) |
6930 | FDI_MPHY_IOSFSB_RESET_STATUS, 100)) |
6524 | DRM_ERROR("FDI mPHY reset assert timeout\n"); |
6931 | DRM_ERROR("FDI mPHY reset assert timeout\n"); |
6525 | 6932 | ||
6526 | tmp = I915_READ(SOUTH_CHICKEN2); |
6933 | tmp = I915_READ(SOUTH_CHICKEN2); |
6527 | tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL; |
6934 | tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL; |
6528 | I915_WRITE(SOUTH_CHICKEN2, tmp); |
6935 | I915_WRITE(SOUTH_CHICKEN2, tmp); |
6529 | 6936 | ||
6530 | if (wait_for_atomic_us((I915_READ(SOUTH_CHICKEN2) & |
6937 | if (wait_for_atomic_us((I915_READ(SOUTH_CHICKEN2) & |
6531 | FDI_MPHY_IOSFSB_RESET_STATUS) == 0, 100)) |
6938 | FDI_MPHY_IOSFSB_RESET_STATUS) == 0, 100)) |
6532 | DRM_ERROR("FDI mPHY reset de-assert timeout\n"); |
6939 | DRM_ERROR("FDI mPHY reset de-assert timeout\n"); |
6533 | } |
6940 | } |
6534 | 6941 | ||
6535 | /* WaMPhyProgramming:hsw */ |
6942 | /* WaMPhyProgramming:hsw */ |
6536 | static void lpt_program_fdi_mphy(struct drm_i915_private *dev_priv) |
6943 | static void lpt_program_fdi_mphy(struct drm_i915_private *dev_priv) |
6537 | { |
6944 | { |
6538 | uint32_t tmp; |
6945 | uint32_t tmp; |
6539 | 6946 | ||
6540 | tmp = intel_sbi_read(dev_priv, 0x8008, SBI_MPHY); |
6947 | tmp = intel_sbi_read(dev_priv, 0x8008, SBI_MPHY); |
6541 | tmp &= ~(0xFF << 24); |
6948 | tmp &= ~(0xFF << 24); |
6542 | tmp |= (0x12 << 24); |
6949 | tmp |= (0x12 << 24); |
6543 | intel_sbi_write(dev_priv, 0x8008, tmp, SBI_MPHY); |
6950 | intel_sbi_write(dev_priv, 0x8008, tmp, SBI_MPHY); |
6544 | 6951 | ||
6545 | tmp = intel_sbi_read(dev_priv, 0x2008, SBI_MPHY); |
6952 | tmp = intel_sbi_read(dev_priv, 0x2008, SBI_MPHY); |
6546 | tmp |= (1 << 11); |
6953 | tmp |= (1 << 11); |
6547 | intel_sbi_write(dev_priv, 0x2008, tmp, SBI_MPHY); |
6954 | intel_sbi_write(dev_priv, 0x2008, tmp, SBI_MPHY); |
6548 | 6955 | ||
6549 | tmp = intel_sbi_read(dev_priv, 0x2108, SBI_MPHY); |
6956 | tmp = intel_sbi_read(dev_priv, 0x2108, SBI_MPHY); |
6550 | tmp |= (1 << 11); |
6957 | tmp |= (1 << 11); |
6551 | intel_sbi_write(dev_priv, 0x2108, tmp, SBI_MPHY); |
6958 | intel_sbi_write(dev_priv, 0x2108, tmp, SBI_MPHY); |
6552 | 6959 | ||
6553 | tmp = intel_sbi_read(dev_priv, 0x206C, SBI_MPHY); |
6960 | tmp = intel_sbi_read(dev_priv, 0x206C, SBI_MPHY); |
6554 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); |
6961 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); |
6555 | intel_sbi_write(dev_priv, 0x206C, tmp, SBI_MPHY); |
6962 | intel_sbi_write(dev_priv, 0x206C, tmp, SBI_MPHY); |
6556 | 6963 | ||
6557 | tmp = intel_sbi_read(dev_priv, 0x216C, SBI_MPHY); |
6964 | tmp = intel_sbi_read(dev_priv, 0x216C, SBI_MPHY); |
6558 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); |
6965 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); |
6559 | intel_sbi_write(dev_priv, 0x216C, tmp, SBI_MPHY); |
6966 | intel_sbi_write(dev_priv, 0x216C, tmp, SBI_MPHY); |
6560 | 6967 | ||
6561 | tmp = intel_sbi_read(dev_priv, 0x2080, SBI_MPHY); |
6968 | tmp = intel_sbi_read(dev_priv, 0x2080, SBI_MPHY); |
6562 | tmp &= ~(7 << 13); |
6969 | tmp &= ~(7 << 13); |
6563 | tmp |= (5 << 13); |
6970 | tmp |= (5 << 13); |
6564 | intel_sbi_write(dev_priv, 0x2080, tmp, SBI_MPHY); |
6971 | intel_sbi_write(dev_priv, 0x2080, tmp, SBI_MPHY); |
6565 | 6972 | ||
6566 | tmp = intel_sbi_read(dev_priv, 0x2180, SBI_MPHY); |
6973 | tmp = intel_sbi_read(dev_priv, 0x2180, SBI_MPHY); |
6567 | tmp &= ~(7 << 13); |
6974 | tmp &= ~(7 << 13); |
6568 | tmp |= (5 << 13); |
6975 | tmp |= (5 << 13); |
6569 | intel_sbi_write(dev_priv, 0x2180, tmp, SBI_MPHY); |
6976 | intel_sbi_write(dev_priv, 0x2180, tmp, SBI_MPHY); |
6570 | 6977 | ||
6571 | tmp = intel_sbi_read(dev_priv, 0x208C, SBI_MPHY); |
6978 | tmp = intel_sbi_read(dev_priv, 0x208C, SBI_MPHY); |
6572 | tmp &= ~0xFF; |
6979 | tmp &= ~0xFF; |
6573 | tmp |= 0x1C; |
6980 | tmp |= 0x1C; |
6574 | intel_sbi_write(dev_priv, 0x208C, tmp, SBI_MPHY); |
6981 | intel_sbi_write(dev_priv, 0x208C, tmp, SBI_MPHY); |
6575 | 6982 | ||
6576 | tmp = intel_sbi_read(dev_priv, 0x218C, SBI_MPHY); |
6983 | tmp = intel_sbi_read(dev_priv, 0x218C, SBI_MPHY); |
6577 | tmp &= ~0xFF; |
6984 | tmp &= ~0xFF; |
6578 | tmp |= 0x1C; |
6985 | tmp |= 0x1C; |
6579 | intel_sbi_write(dev_priv, 0x218C, tmp, SBI_MPHY); |
6986 | intel_sbi_write(dev_priv, 0x218C, tmp, SBI_MPHY); |
6580 | 6987 | ||
6581 | tmp = intel_sbi_read(dev_priv, 0x2098, SBI_MPHY); |
6988 | tmp = intel_sbi_read(dev_priv, 0x2098, SBI_MPHY); |
6582 | tmp &= ~(0xFF << 16); |
6989 | tmp &= ~(0xFF << 16); |
6583 | tmp |= (0x1C << 16); |
6990 | tmp |= (0x1C << 16); |
6584 | intel_sbi_write(dev_priv, 0x2098, tmp, SBI_MPHY); |
6991 | intel_sbi_write(dev_priv, 0x2098, tmp, SBI_MPHY); |
6585 | 6992 | ||
6586 | tmp = intel_sbi_read(dev_priv, 0x2198, SBI_MPHY); |
6993 | tmp = intel_sbi_read(dev_priv, 0x2198, SBI_MPHY); |
6587 | tmp &= ~(0xFF << 16); |
6994 | tmp &= ~(0xFF << 16); |
6588 | tmp |= (0x1C << 16); |
6995 | tmp |= (0x1C << 16); |
6589 | intel_sbi_write(dev_priv, 0x2198, tmp, SBI_MPHY); |
6996 | intel_sbi_write(dev_priv, 0x2198, tmp, SBI_MPHY); |
6590 | 6997 | ||
6591 | tmp = intel_sbi_read(dev_priv, 0x20C4, SBI_MPHY); |
6998 | tmp = intel_sbi_read(dev_priv, 0x20C4, SBI_MPHY); |
6592 | tmp |= (1 << 27); |
6999 | tmp |= (1 << 27); |
6593 | intel_sbi_write(dev_priv, 0x20C4, tmp, SBI_MPHY); |
7000 | intel_sbi_write(dev_priv, 0x20C4, tmp, SBI_MPHY); |
6594 | 7001 | ||
6595 | tmp = intel_sbi_read(dev_priv, 0x21C4, SBI_MPHY); |
7002 | tmp = intel_sbi_read(dev_priv, 0x21C4, SBI_MPHY); |
6596 | tmp |= (1 << 27); |
7003 | tmp |= (1 << 27); |
6597 | intel_sbi_write(dev_priv, 0x21C4, tmp, SBI_MPHY); |
7004 | intel_sbi_write(dev_priv, 0x21C4, tmp, SBI_MPHY); |
6598 | 7005 | ||
6599 | tmp = intel_sbi_read(dev_priv, 0x20EC, SBI_MPHY); |
7006 | tmp = intel_sbi_read(dev_priv, 0x20EC, SBI_MPHY); |
6600 | tmp &= ~(0xF << 28); |
7007 | tmp &= ~(0xF << 28); |
6601 | tmp |= (4 << 28); |
7008 | tmp |= (4 << 28); |
6602 | intel_sbi_write(dev_priv, 0x20EC, tmp, SBI_MPHY); |
7009 | intel_sbi_write(dev_priv, 0x20EC, tmp, SBI_MPHY); |
6603 | 7010 | ||
6604 | tmp = intel_sbi_read(dev_priv, 0x21EC, SBI_MPHY); |
7011 | tmp = intel_sbi_read(dev_priv, 0x21EC, SBI_MPHY); |
6605 | tmp &= ~(0xF << 28); |
7012 | tmp &= ~(0xF << 28); |
6606 | tmp |= (4 << 28); |
7013 | tmp |= (4 << 28); |
6607 | intel_sbi_write(dev_priv, 0x21EC, tmp, SBI_MPHY); |
7014 | intel_sbi_write(dev_priv, 0x21EC, tmp, SBI_MPHY); |
6608 | } |
7015 | } |
6609 | 7016 | ||
6610 | /* Implements 3 different sequences from BSpec chapter "Display iCLK |
7017 | /* Implements 3 different sequences from BSpec chapter "Display iCLK |
6611 | * Programming" based on the parameters passed: |
7018 | * Programming" based on the parameters passed: |
6612 | * - Sequence to enable CLKOUT_DP |
7019 | * - Sequence to enable CLKOUT_DP |
6613 | * - Sequence to enable CLKOUT_DP without spread |
7020 | * - Sequence to enable CLKOUT_DP without spread |
6614 | * - Sequence to enable CLKOUT_DP for FDI usage and configure PCH FDI I/O |
7021 | * - Sequence to enable CLKOUT_DP for FDI usage and configure PCH FDI I/O |
6615 | */ |
7022 | */ |
6616 | static void lpt_enable_clkout_dp(struct drm_device *dev, bool with_spread, |
7023 | static void lpt_enable_clkout_dp(struct drm_device *dev, bool with_spread, |
6617 | bool with_fdi) |
7024 | bool with_fdi) |
6618 | { |
7025 | { |
6619 | struct drm_i915_private *dev_priv = dev->dev_private; |
7026 | struct drm_i915_private *dev_priv = dev->dev_private; |
6620 | uint32_t reg, tmp; |
7027 | uint32_t reg, tmp; |
6621 | 7028 | ||
6622 | if (WARN(with_fdi && !with_spread, "FDI requires downspread\n")) |
7029 | if (WARN(with_fdi && !with_spread, "FDI requires downspread\n")) |
6623 | with_spread = true; |
7030 | with_spread = true; |
6624 | if (WARN(dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE && |
7031 | if (WARN(dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE && |
6625 | with_fdi, "LP PCH doesn't have FDI\n")) |
7032 | with_fdi, "LP PCH doesn't have FDI\n")) |
6626 | with_fdi = false; |
7033 | with_fdi = false; |
6627 | 7034 | ||
6628 | mutex_lock(&dev_priv->dpio_lock); |
7035 | mutex_lock(&dev_priv->dpio_lock); |
6629 | 7036 | ||
6630 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); |
7037 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); |
6631 | tmp &= ~SBI_SSCCTL_DISABLE; |
7038 | tmp &= ~SBI_SSCCTL_DISABLE; |
6632 | tmp |= SBI_SSCCTL_PATHALT; |
7039 | tmp |= SBI_SSCCTL_PATHALT; |
6633 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); |
7040 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); |
6634 | 7041 | ||
6635 | udelay(24); |
7042 | udelay(24); |
6636 | 7043 | ||
6637 | if (with_spread) { |
7044 | if (with_spread) { |
6638 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); |
7045 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); |
6639 | tmp &= ~SBI_SSCCTL_PATHALT; |
7046 | tmp &= ~SBI_SSCCTL_PATHALT; |
6640 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); |
7047 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); |
6641 | 7048 | ||
6642 | if (with_fdi) { |
7049 | if (with_fdi) { |
6643 | lpt_reset_fdi_mphy(dev_priv); |
7050 | lpt_reset_fdi_mphy(dev_priv); |
6644 | lpt_program_fdi_mphy(dev_priv); |
7051 | lpt_program_fdi_mphy(dev_priv); |
6645 | } |
7052 | } |
6646 | } |
7053 | } |
6647 | 7054 | ||
6648 | reg = (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) ? |
7055 | reg = (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) ? |
6649 | SBI_GEN0 : SBI_DBUFF0; |
7056 | SBI_GEN0 : SBI_DBUFF0; |
6650 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); |
7057 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); |
6651 | tmp |= SBI_GEN0_CFG_BUFFENABLE_DISABLE; |
7058 | tmp |= SBI_GEN0_CFG_BUFFENABLE_DISABLE; |
6652 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); |
7059 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); |
6653 | 7060 | ||
6654 | mutex_unlock(&dev_priv->dpio_lock); |
7061 | mutex_unlock(&dev_priv->dpio_lock); |
6655 | } |
7062 | } |
6656 | 7063 | ||
6657 | /* Sequence to disable CLKOUT_DP */ |
7064 | /* Sequence to disable CLKOUT_DP */ |
6658 | static void lpt_disable_clkout_dp(struct drm_device *dev) |
7065 | static void lpt_disable_clkout_dp(struct drm_device *dev) |
6659 | { |
7066 | { |
6660 | struct drm_i915_private *dev_priv = dev->dev_private; |
7067 | struct drm_i915_private *dev_priv = dev->dev_private; |
6661 | uint32_t reg, tmp; |
7068 | uint32_t reg, tmp; |
6662 | 7069 | ||
6663 | mutex_lock(&dev_priv->dpio_lock); |
7070 | mutex_lock(&dev_priv->dpio_lock); |
6664 | 7071 | ||
6665 | reg = (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) ? |
7072 | reg = (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) ? |
6666 | SBI_GEN0 : SBI_DBUFF0; |
7073 | SBI_GEN0 : SBI_DBUFF0; |
6667 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); |
7074 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); |
6668 | tmp &= ~SBI_GEN0_CFG_BUFFENABLE_DISABLE; |
7075 | tmp &= ~SBI_GEN0_CFG_BUFFENABLE_DISABLE; |
6669 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); |
7076 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); |
6670 | 7077 | ||
6671 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); |
7078 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); |
6672 | if (!(tmp & SBI_SSCCTL_DISABLE)) { |
7079 | if (!(tmp & SBI_SSCCTL_DISABLE)) { |
6673 | if (!(tmp & SBI_SSCCTL_PATHALT)) { |
7080 | if (!(tmp & SBI_SSCCTL_PATHALT)) { |
6674 | tmp |= SBI_SSCCTL_PATHALT; |
7081 | tmp |= SBI_SSCCTL_PATHALT; |
6675 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); |
7082 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); |
6676 | udelay(32); |
7083 | udelay(32); |
6677 | } |
7084 | } |
6678 | tmp |= SBI_SSCCTL_DISABLE; |
7085 | tmp |= SBI_SSCCTL_DISABLE; |
6679 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); |
7086 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); |
6680 | } |
7087 | } |
6681 | 7088 | ||
6682 | mutex_unlock(&dev_priv->dpio_lock); |
7089 | mutex_unlock(&dev_priv->dpio_lock); |
6683 | } |
7090 | } |
6684 | 7091 | ||
6685 | static void lpt_init_pch_refclk(struct drm_device *dev) |
7092 | static void lpt_init_pch_refclk(struct drm_device *dev) |
6686 | { |
7093 | { |
6687 | struct drm_mode_config *mode_config = &dev->mode_config; |
- | |
6688 | struct intel_encoder *encoder; |
7094 | struct intel_encoder *encoder; |
6689 | bool has_vga = false; |
7095 | bool has_vga = false; |
6690 | 7096 | ||
6691 | list_for_each_entry(encoder, &mode_config->encoder_list, base.head) { |
7097 | for_each_intel_encoder(dev, encoder) { |
6692 | switch (encoder->type) { |
7098 | switch (encoder->type) { |
6693 | case INTEL_OUTPUT_ANALOG: |
7099 | case INTEL_OUTPUT_ANALOG: |
6694 | has_vga = true; |
7100 | has_vga = true; |
6695 | break; |
7101 | break; |
- | 7102 | default: |
|
- | 7103 | break; |
|
6696 | } |
7104 | } |
6697 | } |
7105 | } |
6698 | 7106 | ||
6699 | if (has_vga) |
7107 | if (has_vga) |
6700 | lpt_enable_clkout_dp(dev, true, true); |
7108 | lpt_enable_clkout_dp(dev, true, true); |
6701 | else |
7109 | else |
6702 | lpt_disable_clkout_dp(dev); |
7110 | lpt_disable_clkout_dp(dev); |
6703 | } |
7111 | } |
6704 | 7112 | ||
6705 | /* |
7113 | /* |
6706 | * Initialize reference clocks when the driver loads |
7114 | * Initialize reference clocks when the driver loads |
6707 | */ |
7115 | */ |
6708 | void intel_init_pch_refclk(struct drm_device *dev) |
7116 | void intel_init_pch_refclk(struct drm_device *dev) |
6709 | { |
7117 | { |
6710 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) |
7118 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) |
6711 | ironlake_init_pch_refclk(dev); |
7119 | ironlake_init_pch_refclk(dev); |
6712 | else if (HAS_PCH_LPT(dev)) |
7120 | else if (HAS_PCH_LPT(dev)) |
6713 | lpt_init_pch_refclk(dev); |
7121 | lpt_init_pch_refclk(dev); |
6714 | } |
7122 | } |
6715 | 7123 | ||
6716 | static int ironlake_get_refclk(struct drm_crtc *crtc) |
7124 | static int ironlake_get_refclk(struct drm_crtc *crtc) |
6717 | { |
7125 | { |
6718 | struct drm_device *dev = crtc->dev; |
7126 | struct drm_device *dev = crtc->dev; |
6719 | struct drm_i915_private *dev_priv = dev->dev_private; |
7127 | struct drm_i915_private *dev_priv = dev->dev_private; |
6720 | struct intel_encoder *encoder; |
7128 | struct intel_encoder *encoder; |
6721 | int num_connectors = 0; |
7129 | int num_connectors = 0; |
6722 | bool is_lvds = false; |
7130 | bool is_lvds = false; |
6723 | 7131 | ||
- | 7132 | for_each_intel_encoder(dev, encoder) { |
|
- | 7133 | if (encoder->new_crtc != to_intel_crtc(crtc)) |
|
- | 7134 | continue; |
|
6724 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
7135 | |
6725 | switch (encoder->type) { |
7136 | switch (encoder->type) { |
6726 | case INTEL_OUTPUT_LVDS: |
7137 | case INTEL_OUTPUT_LVDS: |
6727 | is_lvds = true; |
7138 | is_lvds = true; |
6728 | break; |
7139 | break; |
- | 7140 | default: |
|
- | 7141 | break; |
|
6729 | } |
7142 | } |
6730 | num_connectors++; |
7143 | num_connectors++; |
6731 | } |
7144 | } |
6732 | 7145 | ||
6733 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) { |
7146 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) { |
6734 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", |
7147 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", |
6735 | dev_priv->vbt.lvds_ssc_freq); |
7148 | dev_priv->vbt.lvds_ssc_freq); |
6736 | return dev_priv->vbt.lvds_ssc_freq; |
7149 | return dev_priv->vbt.lvds_ssc_freq; |
6737 | } |
7150 | } |
6738 | 7151 | ||
6739 | return 120000; |
7152 | return 120000; |
6740 | } |
7153 | } |
6741 | 7154 | ||
6742 | static void ironlake_set_pipeconf(struct drm_crtc *crtc) |
7155 | static void ironlake_set_pipeconf(struct drm_crtc *crtc) |
6743 | { |
7156 | { |
6744 | struct drm_i915_private *dev_priv = crtc->dev->dev_private; |
7157 | struct drm_i915_private *dev_priv = crtc->dev->dev_private; |
6745 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
7158 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6746 | int pipe = intel_crtc->pipe; |
7159 | int pipe = intel_crtc->pipe; |
6747 | uint32_t val; |
7160 | uint32_t val; |
6748 | 7161 | ||
6749 | val = 0; |
7162 | val = 0; |
6750 | 7163 | ||
6751 | switch (intel_crtc->config.pipe_bpp) { |
7164 | switch (intel_crtc->config.pipe_bpp) { |
6752 | case 18: |
7165 | case 18: |
6753 | val |= PIPECONF_6BPC; |
7166 | val |= PIPECONF_6BPC; |
6754 | break; |
7167 | break; |
6755 | case 24: |
7168 | case 24: |
6756 | val |= PIPECONF_8BPC; |
7169 | val |= PIPECONF_8BPC; |
6757 | break; |
7170 | break; |
6758 | case 30: |
7171 | case 30: |
6759 | val |= PIPECONF_10BPC; |
7172 | val |= PIPECONF_10BPC; |
6760 | break; |
7173 | break; |
6761 | case 36: |
7174 | case 36: |
6762 | val |= PIPECONF_12BPC; |
7175 | val |= PIPECONF_12BPC; |
6763 | break; |
7176 | break; |
6764 | default: |
7177 | default: |
6765 | /* Case prevented by intel_choose_pipe_bpp_dither. */ |
7178 | /* Case prevented by intel_choose_pipe_bpp_dither. */ |
6766 | BUG(); |
7179 | BUG(); |
6767 | } |
7180 | } |
6768 | 7181 | ||
6769 | if (intel_crtc->config.dither) |
7182 | if (intel_crtc->config.dither) |
6770 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
7183 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
6771 | 7184 | ||
6772 | if (intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
7185 | if (intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
6773 | val |= PIPECONF_INTERLACED_ILK; |
7186 | val |= PIPECONF_INTERLACED_ILK; |
6774 | else |
7187 | else |
6775 | val |= PIPECONF_PROGRESSIVE; |
7188 | val |= PIPECONF_PROGRESSIVE; |
6776 | 7189 | ||
6777 | if (intel_crtc->config.limited_color_range) |
7190 | if (intel_crtc->config.limited_color_range) |
6778 | val |= PIPECONF_COLOR_RANGE_SELECT; |
7191 | val |= PIPECONF_COLOR_RANGE_SELECT; |
6779 | 7192 | ||
6780 | I915_WRITE(PIPECONF(pipe), val); |
7193 | I915_WRITE(PIPECONF(pipe), val); |
6781 | POSTING_READ(PIPECONF(pipe)); |
7194 | POSTING_READ(PIPECONF(pipe)); |
6782 | } |
7195 | } |
6783 | 7196 | ||
6784 | /* |
7197 | /* |
6785 | * Set up the pipe CSC unit. |
7198 | * Set up the pipe CSC unit. |
6786 | * |
7199 | * |
6787 | * Currently only full range RGB to limited range RGB conversion |
7200 | * Currently only full range RGB to limited range RGB conversion |
6788 | * is supported, but eventually this should handle various |
7201 | * is supported, but eventually this should handle various |
6789 | * RGB<->YCbCr scenarios as well. |
7202 | * RGB<->YCbCr scenarios as well. |
6790 | */ |
7203 | */ |
6791 | static void intel_set_pipe_csc(struct drm_crtc *crtc) |
7204 | static void intel_set_pipe_csc(struct drm_crtc *crtc) |
6792 | { |
7205 | { |
6793 | struct drm_device *dev = crtc->dev; |
7206 | struct drm_device *dev = crtc->dev; |
6794 | struct drm_i915_private *dev_priv = dev->dev_private; |
7207 | struct drm_i915_private *dev_priv = dev->dev_private; |
6795 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
7208 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6796 | int pipe = intel_crtc->pipe; |
7209 | int pipe = intel_crtc->pipe; |
6797 | uint16_t coeff = 0x7800; /* 1.0 */ |
7210 | uint16_t coeff = 0x7800; /* 1.0 */ |
6798 | 7211 | ||
6799 | /* |
7212 | /* |
6800 | * TODO: Check what kind of values actually come out of the pipe |
7213 | * TODO: Check what kind of values actually come out of the pipe |
6801 | * with these coeff/postoff values and adjust to get the best |
7214 | * with these coeff/postoff values and adjust to get the best |
6802 | * accuracy. Perhaps we even need to take the bpc value into |
7215 | * accuracy. Perhaps we even need to take the bpc value into |
6803 | * consideration. |
7216 | * consideration. |
6804 | */ |
7217 | */ |
6805 | 7218 | ||
6806 | if (intel_crtc->config.limited_color_range) |
7219 | if (intel_crtc->config.limited_color_range) |
6807 | coeff = ((235 - 16) * (1 << 12) / 255) & 0xff8; /* 0.xxx... */ |
7220 | coeff = ((235 - 16) * (1 << 12) / 255) & 0xff8; /* 0.xxx... */ |
6808 | 7221 | ||
6809 | /* |
7222 | /* |
6810 | * GY/GU and RY/RU should be the other way around according |
7223 | * GY/GU and RY/RU should be the other way around according |
6811 | * to BSpec, but reality doesn't agree. Just set them up in |
7224 | * to BSpec, but reality doesn't agree. Just set them up in |
6812 | * a way that results in the correct picture. |
7225 | * a way that results in the correct picture. |
6813 | */ |
7226 | */ |
6814 | I915_WRITE(PIPE_CSC_COEFF_RY_GY(pipe), coeff << 16); |
7227 | I915_WRITE(PIPE_CSC_COEFF_RY_GY(pipe), coeff << 16); |
6815 | I915_WRITE(PIPE_CSC_COEFF_BY(pipe), 0); |
7228 | I915_WRITE(PIPE_CSC_COEFF_BY(pipe), 0); |
6816 | 7229 | ||
6817 | I915_WRITE(PIPE_CSC_COEFF_RU_GU(pipe), coeff); |
7230 | I915_WRITE(PIPE_CSC_COEFF_RU_GU(pipe), coeff); |
6818 | I915_WRITE(PIPE_CSC_COEFF_BU(pipe), 0); |
7231 | I915_WRITE(PIPE_CSC_COEFF_BU(pipe), 0); |
6819 | 7232 | ||
6820 | I915_WRITE(PIPE_CSC_COEFF_RV_GV(pipe), 0); |
7233 | I915_WRITE(PIPE_CSC_COEFF_RV_GV(pipe), 0); |
6821 | I915_WRITE(PIPE_CSC_COEFF_BV(pipe), coeff << 16); |
7234 | I915_WRITE(PIPE_CSC_COEFF_BV(pipe), coeff << 16); |
6822 | 7235 | ||
6823 | I915_WRITE(PIPE_CSC_PREOFF_HI(pipe), 0); |
7236 | I915_WRITE(PIPE_CSC_PREOFF_HI(pipe), 0); |
6824 | I915_WRITE(PIPE_CSC_PREOFF_ME(pipe), 0); |
7237 | I915_WRITE(PIPE_CSC_PREOFF_ME(pipe), 0); |
6825 | I915_WRITE(PIPE_CSC_PREOFF_LO(pipe), 0); |
7238 | I915_WRITE(PIPE_CSC_PREOFF_LO(pipe), 0); |
6826 | 7239 | ||
6827 | if (INTEL_INFO(dev)->gen > 6) { |
7240 | if (INTEL_INFO(dev)->gen > 6) { |
6828 | uint16_t postoff = 0; |
7241 | uint16_t postoff = 0; |
6829 | 7242 | ||
6830 | if (intel_crtc->config.limited_color_range) |
7243 | if (intel_crtc->config.limited_color_range) |
6831 | postoff = (16 * (1 << 12) / 255) & 0x1fff; |
7244 | postoff = (16 * (1 << 12) / 255) & 0x1fff; |
6832 | 7245 | ||
6833 | I915_WRITE(PIPE_CSC_POSTOFF_HI(pipe), postoff); |
7246 | I915_WRITE(PIPE_CSC_POSTOFF_HI(pipe), postoff); |
6834 | I915_WRITE(PIPE_CSC_POSTOFF_ME(pipe), postoff); |
7247 | I915_WRITE(PIPE_CSC_POSTOFF_ME(pipe), postoff); |
6835 | I915_WRITE(PIPE_CSC_POSTOFF_LO(pipe), postoff); |
7248 | I915_WRITE(PIPE_CSC_POSTOFF_LO(pipe), postoff); |
6836 | 7249 | ||
6837 | I915_WRITE(PIPE_CSC_MODE(pipe), 0); |
7250 | I915_WRITE(PIPE_CSC_MODE(pipe), 0); |
6838 | } else { |
7251 | } else { |
6839 | uint32_t mode = CSC_MODE_YUV_TO_RGB; |
7252 | uint32_t mode = CSC_MODE_YUV_TO_RGB; |
6840 | 7253 | ||
6841 | if (intel_crtc->config.limited_color_range) |
7254 | if (intel_crtc->config.limited_color_range) |
6842 | mode |= CSC_BLACK_SCREEN_OFFSET; |
7255 | mode |= CSC_BLACK_SCREEN_OFFSET; |
6843 | 7256 | ||
6844 | I915_WRITE(PIPE_CSC_MODE(pipe), mode); |
7257 | I915_WRITE(PIPE_CSC_MODE(pipe), mode); |
6845 | } |
7258 | } |
6846 | } |
7259 | } |
6847 | 7260 | ||
6848 | static void haswell_set_pipeconf(struct drm_crtc *crtc) |
7261 | static void haswell_set_pipeconf(struct drm_crtc *crtc) |
6849 | { |
7262 | { |
6850 | struct drm_device *dev = crtc->dev; |
7263 | struct drm_device *dev = crtc->dev; |
6851 | struct drm_i915_private *dev_priv = dev->dev_private; |
7264 | struct drm_i915_private *dev_priv = dev->dev_private; |
6852 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
7265 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6853 | enum pipe pipe = intel_crtc->pipe; |
7266 | enum pipe pipe = intel_crtc->pipe; |
6854 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
7267 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
6855 | uint32_t val; |
7268 | uint32_t val; |
6856 | 7269 | ||
6857 | val = 0; |
7270 | val = 0; |
6858 | 7271 | ||
6859 | if (IS_HASWELL(dev) && intel_crtc->config.dither) |
7272 | if (IS_HASWELL(dev) && intel_crtc->config.dither) |
6860 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
7273 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
6861 | 7274 | ||
6862 | if (intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
7275 | if (intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
6863 | val |= PIPECONF_INTERLACED_ILK; |
7276 | val |= PIPECONF_INTERLACED_ILK; |
6864 | else |
7277 | else |
6865 | val |= PIPECONF_PROGRESSIVE; |
7278 | val |= PIPECONF_PROGRESSIVE; |
6866 | 7279 | ||
6867 | I915_WRITE(PIPECONF(cpu_transcoder), val); |
7280 | I915_WRITE(PIPECONF(cpu_transcoder), val); |
6868 | POSTING_READ(PIPECONF(cpu_transcoder)); |
7281 | POSTING_READ(PIPECONF(cpu_transcoder)); |
6869 | 7282 | ||
6870 | I915_WRITE(GAMMA_MODE(intel_crtc->pipe), GAMMA_MODE_MODE_8BIT); |
7283 | I915_WRITE(GAMMA_MODE(intel_crtc->pipe), GAMMA_MODE_MODE_8BIT); |
6871 | POSTING_READ(GAMMA_MODE(intel_crtc->pipe)); |
7284 | POSTING_READ(GAMMA_MODE(intel_crtc->pipe)); |
6872 | 7285 | ||
6873 | if (IS_BROADWELL(dev)) { |
7286 | if (IS_BROADWELL(dev) || INTEL_INFO(dev)->gen >= 9) { |
6874 | val = 0; |
7287 | val = 0; |
6875 | 7288 | ||
6876 | switch (intel_crtc->config.pipe_bpp) { |
7289 | switch (intel_crtc->config.pipe_bpp) { |
6877 | case 18: |
7290 | case 18: |
6878 | val |= PIPEMISC_DITHER_6_BPC; |
7291 | val |= PIPEMISC_DITHER_6_BPC; |
6879 | break; |
7292 | break; |
6880 | case 24: |
7293 | case 24: |
6881 | val |= PIPEMISC_DITHER_8_BPC; |
7294 | val |= PIPEMISC_DITHER_8_BPC; |
6882 | break; |
7295 | break; |
6883 | case 30: |
7296 | case 30: |
6884 | val |= PIPEMISC_DITHER_10_BPC; |
7297 | val |= PIPEMISC_DITHER_10_BPC; |
6885 | break; |
7298 | break; |
6886 | case 36: |
7299 | case 36: |
6887 | val |= PIPEMISC_DITHER_12_BPC; |
7300 | val |= PIPEMISC_DITHER_12_BPC; |
6888 | break; |
7301 | break; |
6889 | default: |
7302 | default: |
6890 | /* Case prevented by pipe_config_set_bpp. */ |
7303 | /* Case prevented by pipe_config_set_bpp. */ |
6891 | BUG(); |
7304 | BUG(); |
6892 | } |
7305 | } |
6893 | 7306 | ||
6894 | if (intel_crtc->config.dither) |
7307 | if (intel_crtc->config.dither) |
6895 | val |= PIPEMISC_DITHER_ENABLE | PIPEMISC_DITHER_TYPE_SP; |
7308 | val |= PIPEMISC_DITHER_ENABLE | PIPEMISC_DITHER_TYPE_SP; |
6896 | 7309 | ||
6897 | I915_WRITE(PIPEMISC(pipe), val); |
7310 | I915_WRITE(PIPEMISC(pipe), val); |
6898 | } |
7311 | } |
6899 | } |
7312 | } |
6900 | 7313 | ||
6901 | static bool ironlake_compute_clocks(struct drm_crtc *crtc, |
7314 | static bool ironlake_compute_clocks(struct drm_crtc *crtc, |
6902 | intel_clock_t *clock, |
7315 | intel_clock_t *clock, |
6903 | bool *has_reduced_clock, |
7316 | bool *has_reduced_clock, |
6904 | intel_clock_t *reduced_clock) |
7317 | intel_clock_t *reduced_clock) |
6905 | { |
7318 | { |
6906 | struct drm_device *dev = crtc->dev; |
7319 | struct drm_device *dev = crtc->dev; |
6907 | struct drm_i915_private *dev_priv = dev->dev_private; |
7320 | struct drm_i915_private *dev_priv = dev->dev_private; |
6908 | struct intel_encoder *intel_encoder; |
7321 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6909 | int refclk; |
7322 | int refclk; |
6910 | const intel_limit_t *limit; |
7323 | const intel_limit_t *limit; |
6911 | bool ret, is_lvds = false; |
7324 | bool ret, is_lvds = false; |
6912 | 7325 | ||
6913 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) { |
- | |
6914 | switch (intel_encoder->type) { |
- | |
6915 | case INTEL_OUTPUT_LVDS: |
- | |
6916 | is_lvds = true; |
- | |
6917 | break; |
- | |
6918 | } |
- | |
6919 | } |
7326 | is_lvds = intel_pipe_will_have_type(intel_crtc, INTEL_OUTPUT_LVDS); |
6920 | 7327 | ||
6921 | refclk = ironlake_get_refclk(crtc); |
7328 | refclk = ironlake_get_refclk(crtc); |
6922 | 7329 | ||
6923 | /* |
7330 | /* |
6924 | * Returns a set of divisors for the desired target clock with the given |
7331 | * Returns a set of divisors for the desired target clock with the given |
6925 | * refclk, or FALSE. The returned values represent the clock equation: |
7332 | * refclk, or FALSE. The returned values represent the clock equation: |
6926 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. |
7333 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. |
6927 | */ |
7334 | */ |
6928 | limit = intel_limit(crtc, refclk); |
7335 | limit = intel_limit(intel_crtc, refclk); |
6929 | ret = dev_priv->display.find_dpll(limit, crtc, |
7336 | ret = dev_priv->display.find_dpll(limit, intel_crtc, |
6930 | to_intel_crtc(crtc)->config.port_clock, |
7337 | intel_crtc->new_config->port_clock, |
6931 | refclk, NULL, clock); |
7338 | refclk, NULL, clock); |
6932 | if (!ret) |
7339 | if (!ret) |
6933 | return false; |
7340 | return false; |
6934 | 7341 | ||
6935 | if (is_lvds && dev_priv->lvds_downclock_avail) { |
7342 | if (is_lvds && dev_priv->lvds_downclock_avail) { |
6936 | /* |
7343 | /* |
6937 | * Ensure we match the reduced clock's P to the target clock. |
7344 | * Ensure we match the reduced clock's P to the target clock. |
6938 | * If the clocks don't match, we can't switch the display clock |
7345 | * If the clocks don't match, we can't switch the display clock |
6939 | * by using the FP0/FP1. In such case we will disable the LVDS |
7346 | * by using the FP0/FP1. In such case we will disable the LVDS |
6940 | * downclock feature. |
7347 | * downclock feature. |
6941 | */ |
7348 | */ |
6942 | *has_reduced_clock = |
7349 | *has_reduced_clock = |
6943 | dev_priv->display.find_dpll(limit, crtc, |
7350 | dev_priv->display.find_dpll(limit, intel_crtc, |
6944 | dev_priv->lvds_downclock, |
7351 | dev_priv->lvds_downclock, |
6945 | refclk, clock, |
7352 | refclk, clock, |
6946 | reduced_clock); |
7353 | reduced_clock); |
6947 | } |
7354 | } |
6948 | 7355 | ||
6949 | return true; |
7356 | return true; |
6950 | } |
7357 | } |
6951 | 7358 | ||
6952 | int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp) |
7359 | int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp) |
6953 | { |
7360 | { |
6954 | /* |
7361 | /* |
6955 | * Account for spread spectrum to avoid |
7362 | * Account for spread spectrum to avoid |
6956 | * oversubscribing the link. Max center spread |
7363 | * oversubscribing the link. Max center spread |
6957 | * is 2.5%; use 5% for safety's sake. |
7364 | * is 2.5%; use 5% for safety's sake. |
6958 | */ |
7365 | */ |
6959 | u32 bps = target_clock * bpp * 21 / 20; |
7366 | u32 bps = target_clock * bpp * 21 / 20; |
6960 | return DIV_ROUND_UP(bps, link_bw * 8); |
7367 | return DIV_ROUND_UP(bps, link_bw * 8); |
6961 | } |
7368 | } |
6962 | 7369 | ||
6963 | static bool ironlake_needs_fb_cb_tune(struct dpll *dpll, int factor) |
7370 | static bool ironlake_needs_fb_cb_tune(struct dpll *dpll, int factor) |
6964 | { |
7371 | { |
6965 | return i9xx_dpll_compute_m(dpll) < factor * dpll->n; |
7372 | return i9xx_dpll_compute_m(dpll) < factor * dpll->n; |
6966 | } |
7373 | } |
6967 | 7374 | ||
6968 | static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc, |
7375 | static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc, |
6969 | u32 *fp, |
7376 | u32 *fp, |
6970 | intel_clock_t *reduced_clock, u32 *fp2) |
7377 | intel_clock_t *reduced_clock, u32 *fp2) |
6971 | { |
7378 | { |
6972 | struct drm_crtc *crtc = &intel_crtc->base; |
7379 | struct drm_crtc *crtc = &intel_crtc->base; |
6973 | struct drm_device *dev = crtc->dev; |
7380 | struct drm_device *dev = crtc->dev; |
6974 | struct drm_i915_private *dev_priv = dev->dev_private; |
7381 | struct drm_i915_private *dev_priv = dev->dev_private; |
6975 | struct intel_encoder *intel_encoder; |
7382 | struct intel_encoder *intel_encoder; |
6976 | uint32_t dpll; |
7383 | uint32_t dpll; |
6977 | int factor, num_connectors = 0; |
7384 | int factor, num_connectors = 0; |
6978 | bool is_lvds = false, is_sdvo = false; |
7385 | bool is_lvds = false, is_sdvo = false; |
6979 | 7386 | ||
- | 7387 | for_each_intel_encoder(dev, intel_encoder) { |
|
- | 7388 | if (intel_encoder->new_crtc != to_intel_crtc(crtc)) |
|
- | 7389 | continue; |
|
6980 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) { |
7390 | |
6981 | switch (intel_encoder->type) { |
7391 | switch (intel_encoder->type) { |
6982 | case INTEL_OUTPUT_LVDS: |
7392 | case INTEL_OUTPUT_LVDS: |
6983 | is_lvds = true; |
7393 | is_lvds = true; |
6984 | break; |
7394 | break; |
6985 | case INTEL_OUTPUT_SDVO: |
7395 | case INTEL_OUTPUT_SDVO: |
6986 | case INTEL_OUTPUT_HDMI: |
7396 | case INTEL_OUTPUT_HDMI: |
6987 | is_sdvo = true; |
7397 | is_sdvo = true; |
6988 | break; |
7398 | break; |
- | 7399 | default: |
|
- | 7400 | break; |
|
6989 | } |
7401 | } |
6990 | 7402 | ||
6991 | num_connectors++; |
7403 | num_connectors++; |
6992 | } |
7404 | } |
6993 | 7405 | ||
6994 | /* Enable autotuning of the PLL clock (if permissible) */ |
7406 | /* Enable autotuning of the PLL clock (if permissible) */ |
6995 | factor = 21; |
7407 | factor = 21; |
6996 | if (is_lvds) { |
7408 | if (is_lvds) { |
6997 | if ((intel_panel_use_ssc(dev_priv) && |
7409 | if ((intel_panel_use_ssc(dev_priv) && |
6998 | dev_priv->vbt.lvds_ssc_freq == 100000) || |
7410 | dev_priv->vbt.lvds_ssc_freq == 100000) || |
6999 | (HAS_PCH_IBX(dev) && intel_is_dual_link_lvds(dev))) |
7411 | (HAS_PCH_IBX(dev) && intel_is_dual_link_lvds(dev))) |
7000 | factor = 25; |
7412 | factor = 25; |
7001 | } else if (intel_crtc->config.sdvo_tv_clock) |
7413 | } else if (intel_crtc->new_config->sdvo_tv_clock) |
7002 | factor = 20; |
7414 | factor = 20; |
7003 | 7415 | ||
7004 | if (ironlake_needs_fb_cb_tune(&intel_crtc->config.dpll, factor)) |
7416 | if (ironlake_needs_fb_cb_tune(&intel_crtc->new_config->dpll, factor)) |
7005 | *fp |= FP_CB_TUNE; |
7417 | *fp |= FP_CB_TUNE; |
7006 | 7418 | ||
7007 | if (fp2 && (reduced_clock->m < factor * reduced_clock->n)) |
7419 | if (fp2 && (reduced_clock->m < factor * reduced_clock->n)) |
7008 | *fp2 |= FP_CB_TUNE; |
7420 | *fp2 |= FP_CB_TUNE; |
7009 | 7421 | ||
7010 | dpll = 0; |
7422 | dpll = 0; |
7011 | 7423 | ||
7012 | if (is_lvds) |
7424 | if (is_lvds) |
7013 | dpll |= DPLLB_MODE_LVDS; |
7425 | dpll |= DPLLB_MODE_LVDS; |
7014 | else |
7426 | else |
7015 | dpll |= DPLLB_MODE_DAC_SERIAL; |
7427 | dpll |= DPLLB_MODE_DAC_SERIAL; |
7016 | 7428 | ||
7017 | dpll |= (intel_crtc->config.pixel_multiplier - 1) |
7429 | dpll |= (intel_crtc->new_config->pixel_multiplier - 1) |
7018 | << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT; |
7430 | << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT; |
7019 | 7431 | ||
7020 | if (is_sdvo) |
7432 | if (is_sdvo) |
7021 | dpll |= DPLL_SDVO_HIGH_SPEED; |
7433 | dpll |= DPLL_SDVO_HIGH_SPEED; |
7022 | if (intel_crtc->config.has_dp_encoder) |
7434 | if (intel_crtc->new_config->has_dp_encoder) |
7023 | dpll |= DPLL_SDVO_HIGH_SPEED; |
7435 | dpll |= DPLL_SDVO_HIGH_SPEED; |
7024 | 7436 | ||
7025 | /* compute bitmask from p1 value */ |
7437 | /* compute bitmask from p1 value */ |
7026 | dpll |= (1 << (intel_crtc->config.dpll.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
7438 | dpll |= (1 << (intel_crtc->new_config->dpll.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
7027 | /* also FPA1 */ |
7439 | /* also FPA1 */ |
7028 | dpll |= (1 << (intel_crtc->config.dpll.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; |
7440 | dpll |= (1 << (intel_crtc->new_config->dpll.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; |
7029 | 7441 | ||
7030 | switch (intel_crtc->config.dpll.p2) { |
7442 | switch (intel_crtc->new_config->dpll.p2) { |
7031 | case 5: |
7443 | case 5: |
7032 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; |
7444 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; |
7033 | break; |
7445 | break; |
7034 | case 7: |
7446 | case 7: |
7035 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; |
7447 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; |
7036 | break; |
7448 | break; |
7037 | case 10: |
7449 | case 10: |
7038 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; |
7450 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; |
7039 | break; |
7451 | break; |
7040 | case 14: |
7452 | case 14: |
7041 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; |
7453 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; |
7042 | break; |
7454 | break; |
7043 | } |
7455 | } |
7044 | 7456 | ||
7045 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
7457 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
7046 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
7458 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
7047 | else |
7459 | else |
7048 | dpll |= PLL_REF_INPUT_DREFCLK; |
7460 | dpll |= PLL_REF_INPUT_DREFCLK; |
7049 | 7461 | ||
7050 | return dpll | DPLL_VCO_ENABLE; |
7462 | return dpll | DPLL_VCO_ENABLE; |
7051 | } |
7463 | } |
7052 | 7464 | ||
7053 | static int ironlake_crtc_mode_set(struct drm_crtc *crtc, |
- | |
7054 | int x, int y, |
- | |
7055 | struct drm_framebuffer *fb) |
7465 | static int ironlake_crtc_compute_clock(struct intel_crtc *crtc) |
7056 | { |
7466 | { |
7057 | struct drm_device *dev = crtc->dev; |
- | |
7058 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
- | |
7059 | int num_connectors = 0; |
7467 | struct drm_device *dev = crtc->base.dev; |
7060 | intel_clock_t clock, reduced_clock; |
7468 | intel_clock_t clock, reduced_clock; |
7061 | u32 dpll = 0, fp = 0, fp2 = 0; |
7469 | u32 dpll = 0, fp = 0, fp2 = 0; |
7062 | bool ok, has_reduced_clock = false; |
7470 | bool ok, has_reduced_clock = false; |
7063 | bool is_lvds = false; |
7471 | bool is_lvds = false; |
7064 | struct intel_encoder *encoder; |
- | |
7065 | struct intel_shared_dpll *pll; |
7472 | struct intel_shared_dpll *pll; |
7066 | - | ||
7067 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
- | |
7068 | switch (encoder->type) { |
7473 | |
7069 | case INTEL_OUTPUT_LVDS: |
- | |
7070 | is_lvds = true; |
- | |
7071 | break; |
- | |
7072 | } |
- | |
7073 | - | ||
7074 | num_connectors++; |
- | |
7075 | } |
7474 | is_lvds = intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS); |
7076 | 7475 | ||
7077 | WARN(!(HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)), |
7476 | WARN(!(HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)), |
7078 | "Unexpected PCH type %d\n", INTEL_PCH_TYPE(dev)); |
7477 | "Unexpected PCH type %d\n", INTEL_PCH_TYPE(dev)); |
7079 | 7478 | ||
7080 | ok = ironlake_compute_clocks(crtc, &clock, |
7479 | ok = ironlake_compute_clocks(&crtc->base, &clock, |
7081 | &has_reduced_clock, &reduced_clock); |
7480 | &has_reduced_clock, &reduced_clock); |
7082 | if (!ok && !intel_crtc->config.clock_set) { |
7481 | if (!ok && !crtc->new_config->clock_set) { |
7083 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
7482 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
7084 | return -EINVAL; |
7483 | return -EINVAL; |
7085 | } |
7484 | } |
7086 | /* Compat-code for transition, will disappear. */ |
7485 | /* Compat-code for transition, will disappear. */ |
7087 | if (!intel_crtc->config.clock_set) { |
7486 | if (!crtc->new_config->clock_set) { |
7088 | intel_crtc->config.dpll.n = clock.n; |
7487 | crtc->new_config->dpll.n = clock.n; |
7089 | intel_crtc->config.dpll.m1 = clock.m1; |
7488 | crtc->new_config->dpll.m1 = clock.m1; |
7090 | intel_crtc->config.dpll.m2 = clock.m2; |
7489 | crtc->new_config->dpll.m2 = clock.m2; |
7091 | intel_crtc->config.dpll.p1 = clock.p1; |
7490 | crtc->new_config->dpll.p1 = clock.p1; |
7092 | intel_crtc->config.dpll.p2 = clock.p2; |
7491 | crtc->new_config->dpll.p2 = clock.p2; |
7093 | } |
7492 | } |
7094 | 7493 | ||
7095 | /* CPU eDP is the only output that doesn't need a PCH PLL of its own. */ |
7494 | /* CPU eDP is the only output that doesn't need a PCH PLL of its own. */ |
7096 | if (intel_crtc->config.has_pch_encoder) { |
7495 | if (crtc->new_config->has_pch_encoder) { |
7097 | fp = i9xx_dpll_compute_fp(&intel_crtc->config.dpll); |
7496 | fp = i9xx_dpll_compute_fp(&crtc->new_config->dpll); |
7098 | if (has_reduced_clock) |
7497 | if (has_reduced_clock) |
7099 | fp2 = i9xx_dpll_compute_fp(&reduced_clock); |
7498 | fp2 = i9xx_dpll_compute_fp(&reduced_clock); |
7100 | 7499 | ||
7101 | dpll = ironlake_compute_dpll(intel_crtc, |
7500 | dpll = ironlake_compute_dpll(crtc, |
7102 | &fp, &reduced_clock, |
7501 | &fp, &reduced_clock, |
7103 | has_reduced_clock ? &fp2 : NULL); |
7502 | has_reduced_clock ? &fp2 : NULL); |
7104 | 7503 | ||
7105 | intel_crtc->config.dpll_hw_state.dpll = dpll; |
7504 | crtc->new_config->dpll_hw_state.dpll = dpll; |
7106 | intel_crtc->config.dpll_hw_state.fp0 = fp; |
7505 | crtc->new_config->dpll_hw_state.fp0 = fp; |
7107 | if (has_reduced_clock) |
7506 | if (has_reduced_clock) |
7108 | intel_crtc->config.dpll_hw_state.fp1 = fp2; |
7507 | crtc->new_config->dpll_hw_state.fp1 = fp2; |
7109 | else |
7508 | else |
7110 | intel_crtc->config.dpll_hw_state.fp1 = fp; |
7509 | crtc->new_config->dpll_hw_state.fp1 = fp; |
7111 | 7510 | ||
7112 | pll = intel_get_shared_dpll(intel_crtc); |
7511 | pll = intel_get_shared_dpll(crtc); |
7113 | if (pll == NULL) { |
7512 | if (pll == NULL) { |
7114 | DRM_DEBUG_DRIVER("failed to find PLL for pipe %c\n", |
7513 | DRM_DEBUG_DRIVER("failed to find PLL for pipe %c\n", |
7115 | pipe_name(intel_crtc->pipe)); |
7514 | pipe_name(crtc->pipe)); |
7116 | return -EINVAL; |
7515 | return -EINVAL; |
7117 | } |
- | |
7118 | } else |
7516 | } |
7119 | intel_put_shared_dpll(intel_crtc); |
7517 | } |
7120 | 7518 | ||
7121 | if (is_lvds && has_reduced_clock && i915.powersave) |
7519 | if (is_lvds && has_reduced_clock && i915.powersave) |
7122 | intel_crtc->lowfreq_avail = true; |
7520 | crtc->lowfreq_avail = true; |
7123 | else |
7521 | else |
7124 | intel_crtc->lowfreq_avail = false; |
7522 | crtc->lowfreq_avail = false; |
7125 | 7523 | ||
7126 | return 0; |
7524 | return 0; |
7127 | } |
7525 | } |
7128 | 7526 | ||
7129 | static void intel_pch_transcoder_get_m_n(struct intel_crtc *crtc, |
7527 | static void intel_pch_transcoder_get_m_n(struct intel_crtc *crtc, |
7130 | struct intel_link_m_n *m_n) |
7528 | struct intel_link_m_n *m_n) |
7131 | { |
7529 | { |
7132 | struct drm_device *dev = crtc->base.dev; |
7530 | struct drm_device *dev = crtc->base.dev; |
7133 | struct drm_i915_private *dev_priv = dev->dev_private; |
7531 | struct drm_i915_private *dev_priv = dev->dev_private; |
7134 | enum pipe pipe = crtc->pipe; |
7532 | enum pipe pipe = crtc->pipe; |
7135 | 7533 | ||
7136 | m_n->link_m = I915_READ(PCH_TRANS_LINK_M1(pipe)); |
7534 | m_n->link_m = I915_READ(PCH_TRANS_LINK_M1(pipe)); |
7137 | m_n->link_n = I915_READ(PCH_TRANS_LINK_N1(pipe)); |
7535 | m_n->link_n = I915_READ(PCH_TRANS_LINK_N1(pipe)); |
7138 | m_n->gmch_m = I915_READ(PCH_TRANS_DATA_M1(pipe)) |
7536 | m_n->gmch_m = I915_READ(PCH_TRANS_DATA_M1(pipe)) |
7139 | & ~TU_SIZE_MASK; |
7537 | & ~TU_SIZE_MASK; |
7140 | m_n->gmch_n = I915_READ(PCH_TRANS_DATA_N1(pipe)); |
7538 | m_n->gmch_n = I915_READ(PCH_TRANS_DATA_N1(pipe)); |
7141 | m_n->tu = ((I915_READ(PCH_TRANS_DATA_M1(pipe)) |
7539 | m_n->tu = ((I915_READ(PCH_TRANS_DATA_M1(pipe)) |
7142 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; |
7540 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; |
7143 | } |
7541 | } |
7144 | 7542 | ||
7145 | static void intel_cpu_transcoder_get_m_n(struct intel_crtc *crtc, |
7543 | static void intel_cpu_transcoder_get_m_n(struct intel_crtc *crtc, |
7146 | enum transcoder transcoder, |
7544 | enum transcoder transcoder, |
7147 | struct intel_link_m_n *m_n) |
7545 | struct intel_link_m_n *m_n, |
- | 7546 | struct intel_link_m_n *m2_n2) |
|
7148 | { |
7547 | { |
7149 | struct drm_device *dev = crtc->base.dev; |
7548 | struct drm_device *dev = crtc->base.dev; |
7150 | struct drm_i915_private *dev_priv = dev->dev_private; |
7549 | struct drm_i915_private *dev_priv = dev->dev_private; |
7151 | enum pipe pipe = crtc->pipe; |
7550 | enum pipe pipe = crtc->pipe; |
7152 | 7551 | ||
7153 | if (INTEL_INFO(dev)->gen >= 5) { |
7552 | if (INTEL_INFO(dev)->gen >= 5) { |
7154 | m_n->link_m = I915_READ(PIPE_LINK_M1(transcoder)); |
7553 | m_n->link_m = I915_READ(PIPE_LINK_M1(transcoder)); |
7155 | m_n->link_n = I915_READ(PIPE_LINK_N1(transcoder)); |
7554 | m_n->link_n = I915_READ(PIPE_LINK_N1(transcoder)); |
7156 | m_n->gmch_m = I915_READ(PIPE_DATA_M1(transcoder)) |
7555 | m_n->gmch_m = I915_READ(PIPE_DATA_M1(transcoder)) |
7157 | & ~TU_SIZE_MASK; |
7556 | & ~TU_SIZE_MASK; |
7158 | m_n->gmch_n = I915_READ(PIPE_DATA_N1(transcoder)); |
7557 | m_n->gmch_n = I915_READ(PIPE_DATA_N1(transcoder)); |
7159 | m_n->tu = ((I915_READ(PIPE_DATA_M1(transcoder)) |
7558 | m_n->tu = ((I915_READ(PIPE_DATA_M1(transcoder)) |
7160 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; |
7559 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; |
- | 7560 | /* Read M2_N2 registers only for gen < 8 (M2_N2 available for |
|
- | 7561 | * gen < 8) and if DRRS is supported (to make sure the |
|
- | 7562 | * registers are not unnecessarily read). |
|
- | 7563 | */ |
|
- | 7564 | if (m2_n2 && INTEL_INFO(dev)->gen < 8 && |
|
- | 7565 | crtc->config.has_drrs) { |
|
- | 7566 | m2_n2->link_m = I915_READ(PIPE_LINK_M2(transcoder)); |
|
- | 7567 | m2_n2->link_n = I915_READ(PIPE_LINK_N2(transcoder)); |
|
- | 7568 | m2_n2->gmch_m = I915_READ(PIPE_DATA_M2(transcoder)) |
|
- | 7569 | & ~TU_SIZE_MASK; |
|
- | 7570 | m2_n2->gmch_n = I915_READ(PIPE_DATA_N2(transcoder)); |
|
- | 7571 | m2_n2->tu = ((I915_READ(PIPE_DATA_M2(transcoder)) |
|
- | 7572 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; |
|
- | 7573 | } |
|
7161 | } else { |
7574 | } else { |
7162 | m_n->link_m = I915_READ(PIPE_LINK_M_G4X(pipe)); |
7575 | m_n->link_m = I915_READ(PIPE_LINK_M_G4X(pipe)); |
7163 | m_n->link_n = I915_READ(PIPE_LINK_N_G4X(pipe)); |
7576 | m_n->link_n = I915_READ(PIPE_LINK_N_G4X(pipe)); |
7164 | m_n->gmch_m = I915_READ(PIPE_DATA_M_G4X(pipe)) |
7577 | m_n->gmch_m = I915_READ(PIPE_DATA_M_G4X(pipe)) |
7165 | & ~TU_SIZE_MASK; |
7578 | & ~TU_SIZE_MASK; |
7166 | m_n->gmch_n = I915_READ(PIPE_DATA_N_G4X(pipe)); |
7579 | m_n->gmch_n = I915_READ(PIPE_DATA_N_G4X(pipe)); |
7167 | m_n->tu = ((I915_READ(PIPE_DATA_M_G4X(pipe)) |
7580 | m_n->tu = ((I915_READ(PIPE_DATA_M_G4X(pipe)) |
7168 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; |
7581 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; |
7169 | } |
7582 | } |
7170 | } |
7583 | } |
7171 | 7584 | ||
7172 | void intel_dp_get_m_n(struct intel_crtc *crtc, |
7585 | void intel_dp_get_m_n(struct intel_crtc *crtc, |
7173 | struct intel_crtc_config *pipe_config) |
7586 | struct intel_crtc_config *pipe_config) |
7174 | { |
7587 | { |
7175 | if (crtc->config.has_pch_encoder) |
7588 | if (crtc->config.has_pch_encoder) |
7176 | intel_pch_transcoder_get_m_n(crtc, &pipe_config->dp_m_n); |
7589 | intel_pch_transcoder_get_m_n(crtc, &pipe_config->dp_m_n); |
7177 | else |
7590 | else |
7178 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, |
7591 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, |
- | 7592 | &pipe_config->dp_m_n, |
|
7179 | &pipe_config->dp_m_n); |
7593 | &pipe_config->dp_m2_n2); |
7180 | } |
7594 | } |
7181 | 7595 | ||
7182 | static void ironlake_get_fdi_m_n_config(struct intel_crtc *crtc, |
7596 | static void ironlake_get_fdi_m_n_config(struct intel_crtc *crtc, |
7183 | struct intel_crtc_config *pipe_config) |
7597 | struct intel_crtc_config *pipe_config) |
7184 | { |
7598 | { |
7185 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, |
7599 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, |
7186 | &pipe_config->fdi_m_n); |
7600 | &pipe_config->fdi_m_n, NULL); |
- | 7601 | } |
|
- | 7602 | ||
- | 7603 | static void skylake_get_pfit_config(struct intel_crtc *crtc, |
|
- | 7604 | struct intel_crtc_config *pipe_config) |
|
- | 7605 | { |
|
- | 7606 | struct drm_device *dev = crtc->base.dev; |
|
- | 7607 | struct drm_i915_private *dev_priv = dev->dev_private; |
|
- | 7608 | uint32_t tmp; |
|
- | 7609 | ||
- | 7610 | tmp = I915_READ(PS_CTL(crtc->pipe)); |
|
- | 7611 | ||
- | 7612 | if (tmp & PS_ENABLE) { |
|
- | 7613 | pipe_config->pch_pfit.enabled = true; |
|
- | 7614 | pipe_config->pch_pfit.pos = I915_READ(PS_WIN_POS(crtc->pipe)); |
|
- | 7615 | pipe_config->pch_pfit.size = I915_READ(PS_WIN_SZ(crtc->pipe)); |
|
- | 7616 | } |
|
7187 | } |
7617 | } |
7188 | 7618 | ||
7189 | static void ironlake_get_pfit_config(struct intel_crtc *crtc, |
7619 | static void ironlake_get_pfit_config(struct intel_crtc *crtc, |
7190 | struct intel_crtc_config *pipe_config) |
7620 | struct intel_crtc_config *pipe_config) |
7191 | { |
7621 | { |
7192 | struct drm_device *dev = crtc->base.dev; |
7622 | struct drm_device *dev = crtc->base.dev; |
7193 | struct drm_i915_private *dev_priv = dev->dev_private; |
7623 | struct drm_i915_private *dev_priv = dev->dev_private; |
7194 | uint32_t tmp; |
7624 | uint32_t tmp; |
7195 | 7625 | ||
7196 | tmp = I915_READ(PF_CTL(crtc->pipe)); |
7626 | tmp = I915_READ(PF_CTL(crtc->pipe)); |
7197 | 7627 | ||
7198 | if (tmp & PF_ENABLE) { |
7628 | if (tmp & PF_ENABLE) { |
7199 | pipe_config->pch_pfit.enabled = true; |
7629 | pipe_config->pch_pfit.enabled = true; |
7200 | pipe_config->pch_pfit.pos = I915_READ(PF_WIN_POS(crtc->pipe)); |
7630 | pipe_config->pch_pfit.pos = I915_READ(PF_WIN_POS(crtc->pipe)); |
7201 | pipe_config->pch_pfit.size = I915_READ(PF_WIN_SZ(crtc->pipe)); |
7631 | pipe_config->pch_pfit.size = I915_READ(PF_WIN_SZ(crtc->pipe)); |
7202 | 7632 | ||
7203 | /* We currently do not free assignements of panel fitters on |
7633 | /* We currently do not free assignements of panel fitters on |
7204 | * ivb/hsw (since we don't use the higher upscaling modes which |
7634 | * ivb/hsw (since we don't use the higher upscaling modes which |
7205 | * differentiates them) so just WARN about this case for now. */ |
7635 | * differentiates them) so just WARN about this case for now. */ |
7206 | if (IS_GEN7(dev)) { |
7636 | if (IS_GEN7(dev)) { |
7207 | WARN_ON((tmp & PF_PIPE_SEL_MASK_IVB) != |
7637 | WARN_ON((tmp & PF_PIPE_SEL_MASK_IVB) != |
7208 | PF_PIPE_SEL_IVB(crtc->pipe)); |
7638 | PF_PIPE_SEL_IVB(crtc->pipe)); |
7209 | } |
7639 | } |
7210 | } |
7640 | } |
7211 | } |
7641 | } |
7212 | 7642 | ||
7213 | static void ironlake_get_plane_config(struct intel_crtc *crtc, |
7643 | static void ironlake_get_plane_config(struct intel_crtc *crtc, |
7214 | struct intel_plane_config *plane_config) |
7644 | struct intel_plane_config *plane_config) |
7215 | { |
7645 | { |
7216 | struct drm_device *dev = crtc->base.dev; |
7646 | struct drm_device *dev = crtc->base.dev; |
7217 | struct drm_i915_private *dev_priv = dev->dev_private; |
7647 | struct drm_i915_private *dev_priv = dev->dev_private; |
7218 | u32 val, base, offset; |
7648 | u32 val, base, offset; |
7219 | int pipe = crtc->pipe, plane = crtc->plane; |
7649 | int pipe = crtc->pipe, plane = crtc->plane; |
7220 | int fourcc, pixel_format; |
7650 | int fourcc, pixel_format; |
7221 | int aligned_height; |
7651 | int aligned_height; |
7222 | 7652 | ||
7223 | crtc->base.primary->fb = kzalloc(sizeof(struct intel_framebuffer), GFP_KERNEL); |
7653 | crtc->base.primary->fb = kzalloc(sizeof(struct intel_framebuffer), GFP_KERNEL); |
7224 | if (!crtc->base.primary->fb) { |
7654 | if (!crtc->base.primary->fb) { |
7225 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
7655 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
7226 | return; |
7656 | return; |
7227 | } |
7657 | } |
7228 | 7658 | ||
7229 | val = I915_READ(DSPCNTR(plane)); |
7659 | val = I915_READ(DSPCNTR(plane)); |
7230 | 7660 | ||
7231 | if (INTEL_INFO(dev)->gen >= 4) |
7661 | if (INTEL_INFO(dev)->gen >= 4) |
7232 | if (val & DISPPLANE_TILED) |
7662 | if (val & DISPPLANE_TILED) |
7233 | plane_config->tiled = true; |
7663 | plane_config->tiled = true; |
7234 | 7664 | ||
7235 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; |
7665 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; |
7236 | fourcc = intel_format_to_fourcc(pixel_format); |
7666 | fourcc = intel_format_to_fourcc(pixel_format); |
7237 | crtc->base.primary->fb->pixel_format = fourcc; |
7667 | crtc->base.primary->fb->pixel_format = fourcc; |
7238 | crtc->base.primary->fb->bits_per_pixel = |
7668 | crtc->base.primary->fb->bits_per_pixel = |
7239 | drm_format_plane_cpp(fourcc, 0) * 8; |
7669 | drm_format_plane_cpp(fourcc, 0) * 8; |
7240 | 7670 | ||
7241 | base = I915_READ(DSPSURF(plane)) & 0xfffff000; |
7671 | base = I915_READ(DSPSURF(plane)) & 0xfffff000; |
7242 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
7672 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
7243 | offset = I915_READ(DSPOFFSET(plane)); |
7673 | offset = I915_READ(DSPOFFSET(plane)); |
7244 | } else { |
7674 | } else { |
7245 | if (plane_config->tiled) |
7675 | if (plane_config->tiled) |
7246 | offset = I915_READ(DSPTILEOFF(plane)); |
7676 | offset = I915_READ(DSPTILEOFF(plane)); |
7247 | else |
7677 | else |
7248 | offset = I915_READ(DSPLINOFF(plane)); |
7678 | offset = I915_READ(DSPLINOFF(plane)); |
7249 | } |
7679 | } |
7250 | plane_config->base = base; |
7680 | plane_config->base = base; |
7251 | 7681 | ||
7252 | val = I915_READ(PIPESRC(pipe)); |
7682 | val = I915_READ(PIPESRC(pipe)); |
7253 | crtc->base.primary->fb->width = ((val >> 16) & 0xfff) + 1; |
7683 | crtc->base.primary->fb->width = ((val >> 16) & 0xfff) + 1; |
7254 | crtc->base.primary->fb->height = ((val >> 0) & 0xfff) + 1; |
7684 | crtc->base.primary->fb->height = ((val >> 0) & 0xfff) + 1; |
7255 | 7685 | ||
7256 | val = I915_READ(DSPSTRIDE(pipe)); |
7686 | val = I915_READ(DSPSTRIDE(pipe)); |
7257 | crtc->base.primary->fb->pitches[0] = val & 0xffffff80; |
7687 | crtc->base.primary->fb->pitches[0] = val & 0xffffffc0; |
7258 | 7688 | ||
7259 | aligned_height = intel_align_height(dev, crtc->base.primary->fb->height, |
7689 | aligned_height = intel_align_height(dev, crtc->base.primary->fb->height, |
7260 | plane_config->tiled); |
7690 | plane_config->tiled); |
7261 | 7691 | ||
- | 7692 | plane_config->size = PAGE_ALIGN(crtc->base.primary->fb->pitches[0] * |
|
7262 | plane_config->size = 16*1024*1024; |
7693 | aligned_height); |
7263 | 7694 | ||
7264 | DRM_DEBUG_KMS("pipe/plane %d/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", |
7695 | DRM_DEBUG_KMS("pipe/plane %d/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", |
7265 | pipe, plane, crtc->base.primary->fb->width, |
7696 | pipe, plane, crtc->base.primary->fb->width, |
7266 | crtc->base.primary->fb->height, |
7697 | crtc->base.primary->fb->height, |
7267 | crtc->base.primary->fb->bits_per_pixel, base, |
7698 | crtc->base.primary->fb->bits_per_pixel, base, |
7268 | crtc->base.primary->fb->pitches[0], |
7699 | crtc->base.primary->fb->pitches[0], |
7269 | plane_config->size); |
7700 | plane_config->size); |
7270 | } |
7701 | } |
7271 | 7702 | ||
7272 | static bool ironlake_get_pipe_config(struct intel_crtc *crtc, |
7703 | static bool ironlake_get_pipe_config(struct intel_crtc *crtc, |
7273 | struct intel_crtc_config *pipe_config) |
7704 | struct intel_crtc_config *pipe_config) |
7274 | { |
7705 | { |
7275 | struct drm_device *dev = crtc->base.dev; |
7706 | struct drm_device *dev = crtc->base.dev; |
7276 | struct drm_i915_private *dev_priv = dev->dev_private; |
7707 | struct drm_i915_private *dev_priv = dev->dev_private; |
7277 | uint32_t tmp; |
7708 | uint32_t tmp; |
7278 | 7709 | ||
7279 | if (!intel_display_power_enabled(dev_priv, |
7710 | if (!intel_display_power_is_enabled(dev_priv, |
7280 | POWER_DOMAIN_PIPE(crtc->pipe))) |
7711 | POWER_DOMAIN_PIPE(crtc->pipe))) |
7281 | return false; |
7712 | return false; |
7282 | 7713 | ||
7283 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
7714 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
7284 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
7715 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
7285 | 7716 | ||
7286 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
7717 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
7287 | if (!(tmp & PIPECONF_ENABLE)) |
7718 | if (!(tmp & PIPECONF_ENABLE)) |
7288 | return false; |
7719 | return false; |
7289 | 7720 | ||
7290 | switch (tmp & PIPECONF_BPC_MASK) { |
7721 | switch (tmp & PIPECONF_BPC_MASK) { |
7291 | case PIPECONF_6BPC: |
7722 | case PIPECONF_6BPC: |
7292 | pipe_config->pipe_bpp = 18; |
7723 | pipe_config->pipe_bpp = 18; |
7293 | break; |
7724 | break; |
7294 | case PIPECONF_8BPC: |
7725 | case PIPECONF_8BPC: |
7295 | pipe_config->pipe_bpp = 24; |
7726 | pipe_config->pipe_bpp = 24; |
7296 | break; |
7727 | break; |
7297 | case PIPECONF_10BPC: |
7728 | case PIPECONF_10BPC: |
7298 | pipe_config->pipe_bpp = 30; |
7729 | pipe_config->pipe_bpp = 30; |
7299 | break; |
7730 | break; |
7300 | case PIPECONF_12BPC: |
7731 | case PIPECONF_12BPC: |
7301 | pipe_config->pipe_bpp = 36; |
7732 | pipe_config->pipe_bpp = 36; |
7302 | break; |
7733 | break; |
7303 | default: |
7734 | default: |
7304 | break; |
7735 | break; |
7305 | } |
7736 | } |
7306 | 7737 | ||
7307 | if (tmp & PIPECONF_COLOR_RANGE_SELECT) |
7738 | if (tmp & PIPECONF_COLOR_RANGE_SELECT) |
7308 | pipe_config->limited_color_range = true; |
7739 | pipe_config->limited_color_range = true; |
7309 | 7740 | ||
7310 | if (I915_READ(PCH_TRANSCONF(crtc->pipe)) & TRANS_ENABLE) { |
7741 | if (I915_READ(PCH_TRANSCONF(crtc->pipe)) & TRANS_ENABLE) { |
7311 | struct intel_shared_dpll *pll; |
7742 | struct intel_shared_dpll *pll; |
7312 | 7743 | ||
7313 | pipe_config->has_pch_encoder = true; |
7744 | pipe_config->has_pch_encoder = true; |
7314 | 7745 | ||
7315 | tmp = I915_READ(FDI_RX_CTL(crtc->pipe)); |
7746 | tmp = I915_READ(FDI_RX_CTL(crtc->pipe)); |
7316 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> |
7747 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> |
7317 | FDI_DP_PORT_WIDTH_SHIFT) + 1; |
7748 | FDI_DP_PORT_WIDTH_SHIFT) + 1; |
7318 | 7749 | ||
7319 | ironlake_get_fdi_m_n_config(crtc, pipe_config); |
7750 | ironlake_get_fdi_m_n_config(crtc, pipe_config); |
7320 | 7751 | ||
7321 | if (HAS_PCH_IBX(dev_priv->dev)) { |
7752 | if (HAS_PCH_IBX(dev_priv->dev)) { |
7322 | pipe_config->shared_dpll = |
7753 | pipe_config->shared_dpll = |
7323 | (enum intel_dpll_id) crtc->pipe; |
7754 | (enum intel_dpll_id) crtc->pipe; |
7324 | } else { |
7755 | } else { |
7325 | tmp = I915_READ(PCH_DPLL_SEL); |
7756 | tmp = I915_READ(PCH_DPLL_SEL); |
7326 | if (tmp & TRANS_DPLLB_SEL(crtc->pipe)) |
7757 | if (tmp & TRANS_DPLLB_SEL(crtc->pipe)) |
7327 | pipe_config->shared_dpll = DPLL_ID_PCH_PLL_B; |
7758 | pipe_config->shared_dpll = DPLL_ID_PCH_PLL_B; |
7328 | else |
7759 | else |
7329 | pipe_config->shared_dpll = DPLL_ID_PCH_PLL_A; |
7760 | pipe_config->shared_dpll = DPLL_ID_PCH_PLL_A; |
7330 | } |
7761 | } |
7331 | 7762 | ||
7332 | pll = &dev_priv->shared_dplls[pipe_config->shared_dpll]; |
7763 | pll = &dev_priv->shared_dplls[pipe_config->shared_dpll]; |
7333 | 7764 | ||
7334 | WARN_ON(!pll->get_hw_state(dev_priv, pll, |
7765 | WARN_ON(!pll->get_hw_state(dev_priv, pll, |
7335 | &pipe_config->dpll_hw_state)); |
7766 | &pipe_config->dpll_hw_state)); |
7336 | 7767 | ||
7337 | tmp = pipe_config->dpll_hw_state.dpll; |
7768 | tmp = pipe_config->dpll_hw_state.dpll; |
7338 | pipe_config->pixel_multiplier = |
7769 | pipe_config->pixel_multiplier = |
7339 | ((tmp & PLL_REF_SDVO_HDMI_MULTIPLIER_MASK) |
7770 | ((tmp & PLL_REF_SDVO_HDMI_MULTIPLIER_MASK) |
7340 | >> PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT) + 1; |
7771 | >> PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT) + 1; |
7341 | 7772 | ||
7342 | ironlake_pch_clock_get(crtc, pipe_config); |
7773 | ironlake_pch_clock_get(crtc, pipe_config); |
7343 | } else { |
7774 | } else { |
7344 | pipe_config->pixel_multiplier = 1; |
7775 | pipe_config->pixel_multiplier = 1; |
7345 | } |
7776 | } |
7346 | 7777 | ||
7347 | intel_get_pipe_timings(crtc, pipe_config); |
7778 | intel_get_pipe_timings(crtc, pipe_config); |
7348 | 7779 | ||
7349 | ironlake_get_pfit_config(crtc, pipe_config); |
7780 | ironlake_get_pfit_config(crtc, pipe_config); |
7350 | 7781 | ||
7351 | return true; |
7782 | return true; |
7352 | } |
7783 | } |
7353 | 7784 | ||
7354 | static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv) |
7785 | static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv) |
7355 | { |
7786 | { |
7356 | struct drm_device *dev = dev_priv->dev; |
7787 | struct drm_device *dev = dev_priv->dev; |
7357 | struct intel_crtc *crtc; |
7788 | struct intel_crtc *crtc; |
7358 | 7789 | ||
7359 | for_each_intel_crtc(dev, crtc) |
7790 | for_each_intel_crtc(dev, crtc) |
7360 | WARN(crtc->active, "CRTC for pipe %c enabled\n", |
7791 | WARN(crtc->active, "CRTC for pipe %c enabled\n", |
7361 | pipe_name(crtc->pipe)); |
7792 | pipe_name(crtc->pipe)); |
7362 | 7793 | ||
7363 | WARN(I915_READ(HSW_PWR_WELL_DRIVER), "Power well on\n"); |
7794 | WARN(I915_READ(HSW_PWR_WELL_DRIVER), "Power well on\n"); |
7364 | WARN(I915_READ(SPLL_CTL) & SPLL_PLL_ENABLE, "SPLL enabled\n"); |
7795 | WARN(I915_READ(SPLL_CTL) & SPLL_PLL_ENABLE, "SPLL enabled\n"); |
7365 | WARN(I915_READ(WRPLL_CTL1) & WRPLL_PLL_ENABLE, "WRPLL1 enabled\n"); |
7796 | WARN(I915_READ(WRPLL_CTL1) & WRPLL_PLL_ENABLE, "WRPLL1 enabled\n"); |
7366 | WARN(I915_READ(WRPLL_CTL2) & WRPLL_PLL_ENABLE, "WRPLL2 enabled\n"); |
7797 | WARN(I915_READ(WRPLL_CTL2) & WRPLL_PLL_ENABLE, "WRPLL2 enabled\n"); |
7367 | WARN(I915_READ(PCH_PP_STATUS) & PP_ON, "Panel power on\n"); |
7798 | WARN(I915_READ(PCH_PP_STATUS) & PP_ON, "Panel power on\n"); |
7368 | WARN(I915_READ(BLC_PWM_CPU_CTL2) & BLM_PWM_ENABLE, |
7799 | WARN(I915_READ(BLC_PWM_CPU_CTL2) & BLM_PWM_ENABLE, |
7369 | "CPU PWM1 enabled\n"); |
7800 | "CPU PWM1 enabled\n"); |
7370 | if (IS_HASWELL(dev)) |
7801 | if (IS_HASWELL(dev)) |
7371 | WARN(I915_READ(HSW_BLC_PWM2_CTL) & BLM_PWM_ENABLE, |
7802 | WARN(I915_READ(HSW_BLC_PWM2_CTL) & BLM_PWM_ENABLE, |
7372 | "CPU PWM2 enabled\n"); |
7803 | "CPU PWM2 enabled\n"); |
7373 | WARN(I915_READ(BLC_PWM_PCH_CTL1) & BLM_PCH_PWM_ENABLE, |
7804 | WARN(I915_READ(BLC_PWM_PCH_CTL1) & BLM_PCH_PWM_ENABLE, |
7374 | "PCH PWM1 enabled\n"); |
7805 | "PCH PWM1 enabled\n"); |
7375 | WARN(I915_READ(UTIL_PIN_CTL) & UTIL_PIN_ENABLE, |
7806 | WARN(I915_READ(UTIL_PIN_CTL) & UTIL_PIN_ENABLE, |
7376 | "Utility pin enabled\n"); |
7807 | "Utility pin enabled\n"); |
7377 | WARN(I915_READ(PCH_GTC_CTL) & PCH_GTC_ENABLE, "PCH GTC enabled\n"); |
7808 | WARN(I915_READ(PCH_GTC_CTL) & PCH_GTC_ENABLE, "PCH GTC enabled\n"); |
7378 | 7809 | ||
7379 | /* |
7810 | /* |
7380 | * In theory we can still leave IRQs enabled, as long as only the HPD |
7811 | * In theory we can still leave IRQs enabled, as long as only the HPD |
7381 | * interrupts remain enabled. We used to check for that, but since it's |
7812 | * interrupts remain enabled. We used to check for that, but since it's |
7382 | * gen-specific and since we only disable LCPLL after we fully disable |
7813 | * gen-specific and since we only disable LCPLL after we fully disable |
7383 | * the interrupts, the check below should be enough. |
7814 | * the interrupts, the check below should be enough. |
7384 | */ |
7815 | */ |
7385 | WARN(intel_irqs_enabled(dev_priv), "IRQs enabled\n"); |
7816 | WARN(intel_irqs_enabled(dev_priv), "IRQs enabled\n"); |
7386 | } |
7817 | } |
7387 | 7818 | ||
7388 | static uint32_t hsw_read_dcomp(struct drm_i915_private *dev_priv) |
7819 | static uint32_t hsw_read_dcomp(struct drm_i915_private *dev_priv) |
7389 | { |
7820 | { |
7390 | struct drm_device *dev = dev_priv->dev; |
7821 | struct drm_device *dev = dev_priv->dev; |
7391 | 7822 | ||
7392 | if (IS_HASWELL(dev)) |
7823 | if (IS_HASWELL(dev)) |
7393 | return I915_READ(D_COMP_HSW); |
7824 | return I915_READ(D_COMP_HSW); |
7394 | else |
7825 | else |
7395 | return I915_READ(D_COMP_BDW); |
7826 | return I915_READ(D_COMP_BDW); |
7396 | } |
7827 | } |
7397 | 7828 | ||
7398 | static void hsw_write_dcomp(struct drm_i915_private *dev_priv, uint32_t val) |
7829 | static void hsw_write_dcomp(struct drm_i915_private *dev_priv, uint32_t val) |
7399 | { |
7830 | { |
7400 | struct drm_device *dev = dev_priv->dev; |
7831 | struct drm_device *dev = dev_priv->dev; |
7401 | 7832 | ||
7402 | if (IS_HASWELL(dev)) { |
7833 | if (IS_HASWELL(dev)) { |
7403 | mutex_lock(&dev_priv->rps.hw_lock); |
7834 | mutex_lock(&dev_priv->rps.hw_lock); |
7404 | if (sandybridge_pcode_write(dev_priv, GEN6_PCODE_WRITE_D_COMP, |
7835 | if (sandybridge_pcode_write(dev_priv, GEN6_PCODE_WRITE_D_COMP, |
7405 | val)) |
7836 | val)) |
7406 | DRM_ERROR("Failed to write to D_COMP\n"); |
7837 | DRM_ERROR("Failed to write to D_COMP\n"); |
7407 | mutex_unlock(&dev_priv->rps.hw_lock); |
7838 | mutex_unlock(&dev_priv->rps.hw_lock); |
7408 | } else { |
7839 | } else { |
7409 | I915_WRITE(D_COMP_BDW, val); |
7840 | I915_WRITE(D_COMP_BDW, val); |
7410 | POSTING_READ(D_COMP_BDW); |
7841 | POSTING_READ(D_COMP_BDW); |
7411 | } |
7842 | } |
7412 | } |
7843 | } |
7413 | 7844 | ||
7414 | /* |
7845 | /* |
7415 | * This function implements pieces of two sequences from BSpec: |
7846 | * This function implements pieces of two sequences from BSpec: |
7416 | * - Sequence for display software to disable LCPLL |
7847 | * - Sequence for display software to disable LCPLL |
7417 | * - Sequence for display software to allow package C8+ |
7848 | * - Sequence for display software to allow package C8+ |
7418 | * The steps implemented here are just the steps that actually touch the LCPLL |
7849 | * The steps implemented here are just the steps that actually touch the LCPLL |
7419 | * register. Callers should take care of disabling all the display engine |
7850 | * register. Callers should take care of disabling all the display engine |
7420 | * functions, doing the mode unset, fixing interrupts, etc. |
7851 | * functions, doing the mode unset, fixing interrupts, etc. |
7421 | */ |
7852 | */ |
7422 | static void hsw_disable_lcpll(struct drm_i915_private *dev_priv, |
7853 | static void hsw_disable_lcpll(struct drm_i915_private *dev_priv, |
7423 | bool switch_to_fclk, bool allow_power_down) |
7854 | bool switch_to_fclk, bool allow_power_down) |
7424 | { |
7855 | { |
7425 | uint32_t val; |
7856 | uint32_t val; |
7426 | 7857 | ||
7427 | assert_can_disable_lcpll(dev_priv); |
7858 | assert_can_disable_lcpll(dev_priv); |
7428 | 7859 | ||
7429 | val = I915_READ(LCPLL_CTL); |
7860 | val = I915_READ(LCPLL_CTL); |
7430 | 7861 | ||
7431 | if (switch_to_fclk) { |
7862 | if (switch_to_fclk) { |
7432 | val |= LCPLL_CD_SOURCE_FCLK; |
7863 | val |= LCPLL_CD_SOURCE_FCLK; |
7433 | I915_WRITE(LCPLL_CTL, val); |
7864 | I915_WRITE(LCPLL_CTL, val); |
7434 | 7865 | ||
7435 | if (wait_for_atomic_us(I915_READ(LCPLL_CTL) & |
7866 | if (wait_for_atomic_us(I915_READ(LCPLL_CTL) & |
7436 | LCPLL_CD_SOURCE_FCLK_DONE, 1)) |
7867 | LCPLL_CD_SOURCE_FCLK_DONE, 1)) |
7437 | DRM_ERROR("Switching to FCLK failed\n"); |
7868 | DRM_ERROR("Switching to FCLK failed\n"); |
7438 | 7869 | ||
7439 | val = I915_READ(LCPLL_CTL); |
7870 | val = I915_READ(LCPLL_CTL); |
7440 | } |
7871 | } |
7441 | 7872 | ||
7442 | val |= LCPLL_PLL_DISABLE; |
7873 | val |= LCPLL_PLL_DISABLE; |
7443 | I915_WRITE(LCPLL_CTL, val); |
7874 | I915_WRITE(LCPLL_CTL, val); |
7444 | POSTING_READ(LCPLL_CTL); |
7875 | POSTING_READ(LCPLL_CTL); |
7445 | 7876 | ||
7446 | if (wait_for((I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK) == 0, 1)) |
7877 | if (wait_for((I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK) == 0, 1)) |
7447 | DRM_ERROR("LCPLL still locked\n"); |
7878 | DRM_ERROR("LCPLL still locked\n"); |
7448 | 7879 | ||
7449 | val = hsw_read_dcomp(dev_priv); |
7880 | val = hsw_read_dcomp(dev_priv); |
7450 | val |= D_COMP_COMP_DISABLE; |
7881 | val |= D_COMP_COMP_DISABLE; |
7451 | hsw_write_dcomp(dev_priv, val); |
7882 | hsw_write_dcomp(dev_priv, val); |
7452 | ndelay(100); |
7883 | ndelay(100); |
7453 | 7884 | ||
7454 | if (wait_for((hsw_read_dcomp(dev_priv) & D_COMP_RCOMP_IN_PROGRESS) == 0, |
7885 | if (wait_for((hsw_read_dcomp(dev_priv) & D_COMP_RCOMP_IN_PROGRESS) == 0, |
7455 | 1)) |
7886 | 1)) |
7456 | DRM_ERROR("D_COMP RCOMP still in progress\n"); |
7887 | DRM_ERROR("D_COMP RCOMP still in progress\n"); |
7457 | 7888 | ||
7458 | if (allow_power_down) { |
7889 | if (allow_power_down) { |
7459 | val = I915_READ(LCPLL_CTL); |
7890 | val = I915_READ(LCPLL_CTL); |
7460 | val |= LCPLL_POWER_DOWN_ALLOW; |
7891 | val |= LCPLL_POWER_DOWN_ALLOW; |
7461 | I915_WRITE(LCPLL_CTL, val); |
7892 | I915_WRITE(LCPLL_CTL, val); |
7462 | POSTING_READ(LCPLL_CTL); |
7893 | POSTING_READ(LCPLL_CTL); |
7463 | } |
7894 | } |
7464 | } |
7895 | } |
7465 | 7896 | ||
7466 | /* |
7897 | /* |
7467 | * Fully restores LCPLL, disallowing power down and switching back to LCPLL |
7898 | * Fully restores LCPLL, disallowing power down and switching back to LCPLL |
7468 | * source. |
7899 | * source. |
7469 | */ |
7900 | */ |
7470 | static void hsw_restore_lcpll(struct drm_i915_private *dev_priv) |
7901 | static void hsw_restore_lcpll(struct drm_i915_private *dev_priv) |
7471 | { |
7902 | { |
7472 | uint32_t val; |
7903 | uint32_t val; |
7473 | unsigned long irqflags; |
- | |
7474 | 7904 | ||
7475 | val = I915_READ(LCPLL_CTL); |
7905 | val = I915_READ(LCPLL_CTL); |
7476 | 7906 | ||
7477 | if ((val & (LCPLL_PLL_LOCK | LCPLL_PLL_DISABLE | LCPLL_CD_SOURCE_FCLK | |
7907 | if ((val & (LCPLL_PLL_LOCK | LCPLL_PLL_DISABLE | LCPLL_CD_SOURCE_FCLK | |
7478 | LCPLL_POWER_DOWN_ALLOW)) == LCPLL_PLL_LOCK) |
7908 | LCPLL_POWER_DOWN_ALLOW)) == LCPLL_PLL_LOCK) |
7479 | return; |
7909 | return; |
7480 | 7910 | ||
7481 | /* |
7911 | /* |
7482 | * Make sure we're not on PC8 state before disabling PC8, otherwise |
7912 | * Make sure we're not on PC8 state before disabling PC8, otherwise |
7483 | * we'll hang the machine. To prevent PC8 state, just enable force_wake. |
7913 | * we'll hang the machine. To prevent PC8 state, just enable force_wake. |
7484 | * |
7914 | * |
7485 | * The other problem is that hsw_restore_lcpll() is called as part of |
7915 | * The other problem is that hsw_restore_lcpll() is called as part of |
7486 | * the runtime PM resume sequence, so we can't just call |
7916 | * the runtime PM resume sequence, so we can't just call |
7487 | * gen6_gt_force_wake_get() because that function calls |
7917 | * gen6_gt_force_wake_get() because that function calls |
7488 | * intel_runtime_pm_get(), and we can't change the runtime PM refcount |
7918 | * intel_runtime_pm_get(), and we can't change the runtime PM refcount |
7489 | * while we are on the resume sequence. So to solve this problem we have |
7919 | * while we are on the resume sequence. So to solve this problem we have |
7490 | * to call special forcewake code that doesn't touch runtime PM and |
7920 | * to call special forcewake code that doesn't touch runtime PM and |
7491 | * doesn't enable the forcewake delayed work. |
7921 | * doesn't enable the forcewake delayed work. |
7492 | */ |
7922 | */ |
7493 | spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); |
7923 | spin_lock_irq(&dev_priv->uncore.lock); |
7494 | if (dev_priv->uncore.forcewake_count++ == 0) |
7924 | if (dev_priv->uncore.forcewake_count++ == 0) |
7495 | dev_priv->uncore.funcs.force_wake_get(dev_priv, FORCEWAKE_ALL); |
7925 | dev_priv->uncore.funcs.force_wake_get(dev_priv, FORCEWAKE_ALL); |
7496 | spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); |
7926 | spin_unlock_irq(&dev_priv->uncore.lock); |
7497 | 7927 | ||
7498 | if (val & LCPLL_POWER_DOWN_ALLOW) { |
7928 | if (val & LCPLL_POWER_DOWN_ALLOW) { |
7499 | val &= ~LCPLL_POWER_DOWN_ALLOW; |
7929 | val &= ~LCPLL_POWER_DOWN_ALLOW; |
7500 | I915_WRITE(LCPLL_CTL, val); |
7930 | I915_WRITE(LCPLL_CTL, val); |
7501 | POSTING_READ(LCPLL_CTL); |
7931 | POSTING_READ(LCPLL_CTL); |
7502 | } |
7932 | } |
7503 | 7933 | ||
7504 | val = hsw_read_dcomp(dev_priv); |
7934 | val = hsw_read_dcomp(dev_priv); |
7505 | val |= D_COMP_COMP_FORCE; |
7935 | val |= D_COMP_COMP_FORCE; |
7506 | val &= ~D_COMP_COMP_DISABLE; |
7936 | val &= ~D_COMP_COMP_DISABLE; |
7507 | hsw_write_dcomp(dev_priv, val); |
7937 | hsw_write_dcomp(dev_priv, val); |
7508 | 7938 | ||
7509 | val = I915_READ(LCPLL_CTL); |
7939 | val = I915_READ(LCPLL_CTL); |
7510 | val &= ~LCPLL_PLL_DISABLE; |
7940 | val &= ~LCPLL_PLL_DISABLE; |
7511 | I915_WRITE(LCPLL_CTL, val); |
7941 | I915_WRITE(LCPLL_CTL, val); |
7512 | 7942 | ||
7513 | if (wait_for(I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK, 5)) |
7943 | if (wait_for(I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK, 5)) |
7514 | DRM_ERROR("LCPLL not locked yet\n"); |
7944 | DRM_ERROR("LCPLL not locked yet\n"); |
7515 | 7945 | ||
7516 | if (val & LCPLL_CD_SOURCE_FCLK) { |
7946 | if (val & LCPLL_CD_SOURCE_FCLK) { |
7517 | val = I915_READ(LCPLL_CTL); |
7947 | val = I915_READ(LCPLL_CTL); |
7518 | val &= ~LCPLL_CD_SOURCE_FCLK; |
7948 | val &= ~LCPLL_CD_SOURCE_FCLK; |
7519 | I915_WRITE(LCPLL_CTL, val); |
7949 | I915_WRITE(LCPLL_CTL, val); |
7520 | 7950 | ||
7521 | if (wait_for_atomic_us((I915_READ(LCPLL_CTL) & |
7951 | if (wait_for_atomic_us((I915_READ(LCPLL_CTL) & |
7522 | LCPLL_CD_SOURCE_FCLK_DONE) == 0, 1)) |
7952 | LCPLL_CD_SOURCE_FCLK_DONE) == 0, 1)) |
7523 | DRM_ERROR("Switching back to LCPLL failed\n"); |
7953 | DRM_ERROR("Switching back to LCPLL failed\n"); |
7524 | } |
7954 | } |
7525 | 7955 | ||
7526 | /* See the big comment above. */ |
7956 | /* See the big comment above. */ |
7527 | spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); |
7957 | spin_lock_irq(&dev_priv->uncore.lock); |
7528 | if (--dev_priv->uncore.forcewake_count == 0) |
7958 | if (--dev_priv->uncore.forcewake_count == 0) |
7529 | dev_priv->uncore.funcs.force_wake_put(dev_priv, FORCEWAKE_ALL); |
7959 | dev_priv->uncore.funcs.force_wake_put(dev_priv, FORCEWAKE_ALL); |
7530 | spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); |
7960 | spin_unlock_irq(&dev_priv->uncore.lock); |
7531 | } |
7961 | } |
7532 | 7962 | ||
7533 | /* |
7963 | /* |
7534 | * Package states C8 and deeper are really deep PC states that can only be |
7964 | * Package states C8 and deeper are really deep PC states that can only be |
7535 | * reached when all the devices on the system allow it, so even if the graphics |
7965 | * reached when all the devices on the system allow it, so even if the graphics |
7536 | * device allows PC8+, it doesn't mean the system will actually get to these |
7966 | * device allows PC8+, it doesn't mean the system will actually get to these |
7537 | * states. Our driver only allows PC8+ when going into runtime PM. |
7967 | * states. Our driver only allows PC8+ when going into runtime PM. |
7538 | * |
7968 | * |
7539 | * The requirements for PC8+ are that all the outputs are disabled, the power |
7969 | * The requirements for PC8+ are that all the outputs are disabled, the power |
7540 | * well is disabled and most interrupts are disabled, and these are also |
7970 | * well is disabled and most interrupts are disabled, and these are also |
7541 | * requirements for runtime PM. When these conditions are met, we manually do |
7971 | * requirements for runtime PM. When these conditions are met, we manually do |
7542 | * the other conditions: disable the interrupts, clocks and switch LCPLL refclk |
7972 | * the other conditions: disable the interrupts, clocks and switch LCPLL refclk |
7543 | * to Fclk. If we're in PC8+ and we get an non-hotplug interrupt, we can hard |
7973 | * to Fclk. If we're in PC8+ and we get an non-hotplug interrupt, we can hard |
7544 | * hang the machine. |
7974 | * hang the machine. |
7545 | * |
7975 | * |
7546 | * When we really reach PC8 or deeper states (not just when we allow it) we lose |
7976 | * When we really reach PC8 or deeper states (not just when we allow it) we lose |
7547 | * the state of some registers, so when we come back from PC8+ we need to |
7977 | * the state of some registers, so when we come back from PC8+ we need to |
7548 | * restore this state. We don't get into PC8+ if we're not in RC6, so we don't |
7978 | * restore this state. We don't get into PC8+ if we're not in RC6, so we don't |
7549 | * need to take care of the registers kept by RC6. Notice that this happens even |
7979 | * need to take care of the registers kept by RC6. Notice that this happens even |
7550 | * if we don't put the device in PCI D3 state (which is what currently happens |
7980 | * if we don't put the device in PCI D3 state (which is what currently happens |
7551 | * because of the runtime PM support). |
7981 | * because of the runtime PM support). |
7552 | * |
7982 | * |
7553 | * For more, read "Display Sequences for Package C8" on the hardware |
7983 | * For more, read "Display Sequences for Package C8" on the hardware |
7554 | * documentation. |
7984 | * documentation. |
7555 | */ |
7985 | */ |
7556 | void hsw_enable_pc8(struct drm_i915_private *dev_priv) |
7986 | void hsw_enable_pc8(struct drm_i915_private *dev_priv) |
7557 | { |
7987 | { |
7558 | struct drm_device *dev = dev_priv->dev; |
7988 | struct drm_device *dev = dev_priv->dev; |
7559 | uint32_t val; |
7989 | uint32_t val; |
7560 | 7990 | ||
7561 | DRM_DEBUG_KMS("Enabling package C8+\n"); |
7991 | DRM_DEBUG_KMS("Enabling package C8+\n"); |
7562 | 7992 | ||
7563 | if (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) { |
7993 | if (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) { |
7564 | val = I915_READ(SOUTH_DSPCLK_GATE_D); |
7994 | val = I915_READ(SOUTH_DSPCLK_GATE_D); |
7565 | val &= ~PCH_LP_PARTITION_LEVEL_DISABLE; |
7995 | val &= ~PCH_LP_PARTITION_LEVEL_DISABLE; |
7566 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); |
7996 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); |
7567 | } |
7997 | } |
7568 | 7998 | ||
7569 | lpt_disable_clkout_dp(dev); |
7999 | lpt_disable_clkout_dp(dev); |
7570 | hsw_disable_lcpll(dev_priv, true, true); |
8000 | hsw_disable_lcpll(dev_priv, true, true); |
7571 | } |
8001 | } |
7572 | 8002 | ||
7573 | void hsw_disable_pc8(struct drm_i915_private *dev_priv) |
8003 | void hsw_disable_pc8(struct drm_i915_private *dev_priv) |
7574 | { |
8004 | { |
7575 | struct drm_device *dev = dev_priv->dev; |
8005 | struct drm_device *dev = dev_priv->dev; |
7576 | uint32_t val; |
8006 | uint32_t val; |
7577 | 8007 | ||
7578 | DRM_DEBUG_KMS("Disabling package C8+\n"); |
8008 | DRM_DEBUG_KMS("Disabling package C8+\n"); |
7579 | 8009 | ||
7580 | hsw_restore_lcpll(dev_priv); |
8010 | hsw_restore_lcpll(dev_priv); |
7581 | lpt_init_pch_refclk(dev); |
8011 | lpt_init_pch_refclk(dev); |
7582 | 8012 | ||
7583 | if (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) { |
8013 | if (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) { |
7584 | val = I915_READ(SOUTH_DSPCLK_GATE_D); |
8014 | val = I915_READ(SOUTH_DSPCLK_GATE_D); |
7585 | val |= PCH_LP_PARTITION_LEVEL_DISABLE; |
8015 | val |= PCH_LP_PARTITION_LEVEL_DISABLE; |
7586 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); |
8016 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); |
7587 | } |
8017 | } |
7588 | 8018 | ||
7589 | intel_prepare_ddi(dev); |
8019 | intel_prepare_ddi(dev); |
7590 | } |
8020 | } |
7591 | 8021 | ||
7592 | static void snb_modeset_global_resources(struct drm_device *dev) |
8022 | static int haswell_crtc_compute_clock(struct intel_crtc *crtc) |
7593 | { |
8023 | { |
7594 | modeset_update_crtc_power_domains(dev); |
8024 | if (!intel_ddi_pll_select(crtc)) |
7595 | } |
8025 | return -EINVAL; |
7596 | 8026 | ||
7597 | static void haswell_modeset_global_resources(struct drm_device *dev) |
8027 | crtc->lowfreq_avail = false; |
7598 | { |
8028 | |
7599 | modeset_update_crtc_power_domains(dev); |
8029 | return 0; |
7600 | } |
8030 | } |
7601 | 8031 | ||
7602 | static int haswell_crtc_mode_set(struct drm_crtc *crtc, |
8032 | static void skylake_get_ddi_pll(struct drm_i915_private *dev_priv, |
7603 | int x, int y, |
8033 | enum port port, |
- | 8034 | struct intel_crtc_config *pipe_config) |
|
7604 | struct drm_framebuffer *fb) |
8035 | { |
7605 | { |
- | |
7606 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8036 | u32 temp; |
- | 8037 | ||
- | 8038 | temp = I915_READ(DPLL_CTRL2) & DPLL_CTRL2_DDI_CLK_SEL_MASK(port); |
|
- | 8039 | pipe_config->ddi_pll_sel = temp >> (port * 3 + 1); |
|
- | 8040 | ||
- | 8041 | switch (pipe_config->ddi_pll_sel) { |
|
- | 8042 | case SKL_DPLL1: |
|
- | 8043 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL1; |
|
- | 8044 | break; |
|
- | 8045 | case SKL_DPLL2: |
|
- | 8046 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL2; |
|
- | 8047 | break; |
|
- | 8048 | case SKL_DPLL3: |
|
- | 8049 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL3; |
|
- | 8050 | break; |
|
- | 8051 | } |
|
- | 8052 | } |
|
- | 8053 | ||
- | 8054 | static void haswell_get_ddi_pll(struct drm_i915_private *dev_priv, |
|
- | 8055 | enum port port, |
|
- | 8056 | struct intel_crtc_config *pipe_config) |
|
7607 | 8057 | { |
|
- | 8058 | pipe_config->ddi_pll_sel = I915_READ(PORT_CLK_SEL(port)); |
|
- | 8059 | ||
- | 8060 | switch (pipe_config->ddi_pll_sel) { |
|
- | 8061 | case PORT_CLK_SEL_WRPLL1: |
|
7608 | if (!intel_ddi_pll_select(intel_crtc)) |
8062 | pipe_config->shared_dpll = DPLL_ID_WRPLL1; |
7609 | return -EINVAL; |
8063 | break; |
7610 | 8064 | case PORT_CLK_SEL_WRPLL2: |
|
7611 | intel_crtc->lowfreq_avail = false; |
8065 | pipe_config->shared_dpll = DPLL_ID_WRPLL2; |
7612 | 8066 | break; |
|
7613 | return 0; |
8067 | } |
7614 | } |
8068 | } |
7615 | 8069 | ||
7616 | static void haswell_get_ddi_port_state(struct intel_crtc *crtc, |
8070 | static void haswell_get_ddi_port_state(struct intel_crtc *crtc, |
7617 | struct intel_crtc_config *pipe_config) |
8071 | struct intel_crtc_config *pipe_config) |
7618 | { |
8072 | { |
7619 | struct drm_device *dev = crtc->base.dev; |
8073 | struct drm_device *dev = crtc->base.dev; |
7620 | struct drm_i915_private *dev_priv = dev->dev_private; |
8074 | struct drm_i915_private *dev_priv = dev->dev_private; |
7621 | struct intel_shared_dpll *pll; |
8075 | struct intel_shared_dpll *pll; |
7622 | enum port port; |
8076 | enum port port; |
7623 | uint32_t tmp; |
8077 | uint32_t tmp; |
7624 | 8078 | ||
7625 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(pipe_config->cpu_transcoder)); |
8079 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(pipe_config->cpu_transcoder)); |
7626 | 8080 | ||
7627 | port = (tmp & TRANS_DDI_PORT_MASK) >> TRANS_DDI_PORT_SHIFT; |
8081 | port = (tmp & TRANS_DDI_PORT_MASK) >> TRANS_DDI_PORT_SHIFT; |
7628 | - | ||
7629 | pipe_config->ddi_pll_sel = I915_READ(PORT_CLK_SEL(port)); |
- | |
7630 | - | ||
7631 | switch (pipe_config->ddi_pll_sel) { |
8082 | |
7632 | case PORT_CLK_SEL_WRPLL1: |
8083 | if (IS_SKYLAKE(dev)) |
7633 | pipe_config->shared_dpll = DPLL_ID_WRPLL1; |
8084 | skylake_get_ddi_pll(dev_priv, port, pipe_config); |
7634 | break; |
- | |
7635 | case PORT_CLK_SEL_WRPLL2: |
8085 | else |
7636 | pipe_config->shared_dpll = DPLL_ID_WRPLL2; |
- | |
7637 | break; |
- | |
7638 | } |
8086 | haswell_get_ddi_pll(dev_priv, port, pipe_config); |
7639 | 8087 | ||
7640 | if (pipe_config->shared_dpll >= 0) { |
8088 | if (pipe_config->shared_dpll >= 0) { |
7641 | pll = &dev_priv->shared_dplls[pipe_config->shared_dpll]; |
8089 | pll = &dev_priv->shared_dplls[pipe_config->shared_dpll]; |
7642 | 8090 | ||
7643 | WARN_ON(!pll->get_hw_state(dev_priv, pll, |
8091 | WARN_ON(!pll->get_hw_state(dev_priv, pll, |
7644 | &pipe_config->dpll_hw_state)); |
8092 | &pipe_config->dpll_hw_state)); |
7645 | } |
8093 | } |
7646 | 8094 | ||
7647 | /* |
8095 | /* |
7648 | * Haswell has only FDI/PCH transcoder A. It is which is connected to |
8096 | * Haswell has only FDI/PCH transcoder A. It is which is connected to |
7649 | * DDI E. So just check whether this pipe is wired to DDI E and whether |
8097 | * DDI E. So just check whether this pipe is wired to DDI E and whether |
7650 | * the PCH transcoder is on. |
8098 | * the PCH transcoder is on. |
7651 | */ |
8099 | */ |
- | 8100 | if (INTEL_INFO(dev)->gen < 9 && |
|
7652 | if ((port == PORT_E) && I915_READ(LPT_TRANSCONF) & TRANS_ENABLE) { |
8101 | (port == PORT_E) && I915_READ(LPT_TRANSCONF) & TRANS_ENABLE) { |
7653 | pipe_config->has_pch_encoder = true; |
8102 | pipe_config->has_pch_encoder = true; |
7654 | 8103 | ||
7655 | tmp = I915_READ(FDI_RX_CTL(PIPE_A)); |
8104 | tmp = I915_READ(FDI_RX_CTL(PIPE_A)); |
7656 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> |
8105 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> |
7657 | FDI_DP_PORT_WIDTH_SHIFT) + 1; |
8106 | FDI_DP_PORT_WIDTH_SHIFT) + 1; |
7658 | 8107 | ||
7659 | ironlake_get_fdi_m_n_config(crtc, pipe_config); |
8108 | ironlake_get_fdi_m_n_config(crtc, pipe_config); |
7660 | } |
8109 | } |
7661 | } |
8110 | } |
7662 | 8111 | ||
7663 | static bool haswell_get_pipe_config(struct intel_crtc *crtc, |
8112 | static bool haswell_get_pipe_config(struct intel_crtc *crtc, |
7664 | struct intel_crtc_config *pipe_config) |
8113 | struct intel_crtc_config *pipe_config) |
7665 | { |
8114 | { |
7666 | struct drm_device *dev = crtc->base.dev; |
8115 | struct drm_device *dev = crtc->base.dev; |
7667 | struct drm_i915_private *dev_priv = dev->dev_private; |
8116 | struct drm_i915_private *dev_priv = dev->dev_private; |
7668 | enum intel_display_power_domain pfit_domain; |
8117 | enum intel_display_power_domain pfit_domain; |
7669 | uint32_t tmp; |
8118 | uint32_t tmp; |
7670 | 8119 | ||
7671 | if (!intel_display_power_enabled(dev_priv, |
8120 | if (!intel_display_power_is_enabled(dev_priv, |
7672 | POWER_DOMAIN_PIPE(crtc->pipe))) |
8121 | POWER_DOMAIN_PIPE(crtc->pipe))) |
7673 | return false; |
8122 | return false; |
7674 | 8123 | ||
7675 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
8124 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
7676 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
8125 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
7677 | 8126 | ||
7678 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)); |
8127 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)); |
7679 | if (tmp & TRANS_DDI_FUNC_ENABLE) { |
8128 | if (tmp & TRANS_DDI_FUNC_ENABLE) { |
7680 | enum pipe trans_edp_pipe; |
8129 | enum pipe trans_edp_pipe; |
7681 | switch (tmp & TRANS_DDI_EDP_INPUT_MASK) { |
8130 | switch (tmp & TRANS_DDI_EDP_INPUT_MASK) { |
7682 | default: |
8131 | default: |
7683 | WARN(1, "unknown pipe linked to edp transcoder\n"); |
8132 | WARN(1, "unknown pipe linked to edp transcoder\n"); |
7684 | case TRANS_DDI_EDP_INPUT_A_ONOFF: |
8133 | case TRANS_DDI_EDP_INPUT_A_ONOFF: |
7685 | case TRANS_DDI_EDP_INPUT_A_ON: |
8134 | case TRANS_DDI_EDP_INPUT_A_ON: |
7686 | trans_edp_pipe = PIPE_A; |
8135 | trans_edp_pipe = PIPE_A; |
7687 | break; |
8136 | break; |
7688 | case TRANS_DDI_EDP_INPUT_B_ONOFF: |
8137 | case TRANS_DDI_EDP_INPUT_B_ONOFF: |
7689 | trans_edp_pipe = PIPE_B; |
8138 | trans_edp_pipe = PIPE_B; |
7690 | break; |
8139 | break; |
7691 | case TRANS_DDI_EDP_INPUT_C_ONOFF: |
8140 | case TRANS_DDI_EDP_INPUT_C_ONOFF: |
7692 | trans_edp_pipe = PIPE_C; |
8141 | trans_edp_pipe = PIPE_C; |
7693 | break; |
8142 | break; |
7694 | } |
8143 | } |
7695 | 8144 | ||
7696 | if (trans_edp_pipe == crtc->pipe) |
8145 | if (trans_edp_pipe == crtc->pipe) |
7697 | pipe_config->cpu_transcoder = TRANSCODER_EDP; |
8146 | pipe_config->cpu_transcoder = TRANSCODER_EDP; |
7698 | } |
8147 | } |
7699 | 8148 | ||
7700 | if (!intel_display_power_enabled(dev_priv, |
8149 | if (!intel_display_power_is_enabled(dev_priv, |
7701 | POWER_DOMAIN_TRANSCODER(pipe_config->cpu_transcoder))) |
8150 | POWER_DOMAIN_TRANSCODER(pipe_config->cpu_transcoder))) |
7702 | return false; |
8151 | return false; |
7703 | 8152 | ||
7704 | tmp = I915_READ(PIPECONF(pipe_config->cpu_transcoder)); |
8153 | tmp = I915_READ(PIPECONF(pipe_config->cpu_transcoder)); |
7705 | if (!(tmp & PIPECONF_ENABLE)) |
8154 | if (!(tmp & PIPECONF_ENABLE)) |
7706 | return false; |
8155 | return false; |
7707 | 8156 | ||
7708 | haswell_get_ddi_port_state(crtc, pipe_config); |
8157 | haswell_get_ddi_port_state(crtc, pipe_config); |
7709 | 8158 | ||
7710 | intel_get_pipe_timings(crtc, pipe_config); |
8159 | intel_get_pipe_timings(crtc, pipe_config); |
7711 | 8160 | ||
7712 | pfit_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe); |
8161 | pfit_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe); |
7713 | if (intel_display_power_enabled(dev_priv, pfit_domain)) |
8162 | if (intel_display_power_is_enabled(dev_priv, pfit_domain)) { |
- | 8163 | if (IS_SKYLAKE(dev)) |
|
- | 8164 | skylake_get_pfit_config(crtc, pipe_config); |
|
- | 8165 | else |
|
7714 | ironlake_get_pfit_config(crtc, pipe_config); |
8166 | ironlake_get_pfit_config(crtc, pipe_config); |
- | 8167 | } |
|
7715 | 8168 | ||
7716 | if (IS_HASWELL(dev)) |
8169 | if (IS_HASWELL(dev)) |
7717 | pipe_config->ips_enabled = hsw_crtc_supports_ips(crtc) && |
8170 | pipe_config->ips_enabled = hsw_crtc_supports_ips(crtc) && |
7718 | (I915_READ(IPS_CTL) & IPS_ENABLE); |
8171 | (I915_READ(IPS_CTL) & IPS_ENABLE); |
- | 8172 | ||
- | 8173 | if (pipe_config->cpu_transcoder != TRANSCODER_EDP) { |
|
- | 8174 | pipe_config->pixel_multiplier = |
|
- | 8175 | I915_READ(PIPE_MULT(pipe_config->cpu_transcoder)) + 1; |
|
7719 | 8176 | } else { |
|
7720 | pipe_config->pixel_multiplier = 1; |
- | |
7721 | - | ||
7722 | return true; |
- | |
7723 | } |
- | |
7724 | - | ||
7725 | static struct { |
- | |
7726 | int clock; |
- | |
7727 | u32 config; |
- | |
7728 | } hdmi_audio_clock[] = { |
- | |
7729 | { DIV_ROUND_UP(25200 * 1000, 1001), AUD_CONFIG_PIXEL_CLOCK_HDMI_25175 }, |
- | |
7730 | { 25200, AUD_CONFIG_PIXEL_CLOCK_HDMI_25200 }, /* default per bspec */ |
- | |
7731 | { 27000, AUD_CONFIG_PIXEL_CLOCK_HDMI_27000 }, |
- | |
7732 | { 27000 * 1001 / 1000, AUD_CONFIG_PIXEL_CLOCK_HDMI_27027 }, |
- | |
7733 | { 54000, AUD_CONFIG_PIXEL_CLOCK_HDMI_54000 }, |
- | |
7734 | { 54000 * 1001 / 1000, AUD_CONFIG_PIXEL_CLOCK_HDMI_54054 }, |
- | |
7735 | { DIV_ROUND_UP(74250 * 1000, 1001), AUD_CONFIG_PIXEL_CLOCK_HDMI_74176 }, |
- | |
7736 | { 74250, AUD_CONFIG_PIXEL_CLOCK_HDMI_74250 }, |
- | |
7737 | { DIV_ROUND_UP(148500 * 1000, 1001), AUD_CONFIG_PIXEL_CLOCK_HDMI_148352 }, |
- | |
7738 | { 148500, AUD_CONFIG_PIXEL_CLOCK_HDMI_148500 }, |
- | |
7739 | }; |
- | |
7740 | - | ||
7741 | /* get AUD_CONFIG_PIXEL_CLOCK_HDMI_* value for mode */ |
- | |
7742 | static u32 audio_config_hdmi_pixel_clock(struct drm_display_mode *mode) |
- | |
7743 | { |
- | |
7744 | int i; |
- | |
7745 | - | ||
7746 | for (i = 0; i < ARRAY_SIZE(hdmi_audio_clock); i++) { |
- | |
7747 | if (mode->clock == hdmi_audio_clock[i].clock) |
- | |
7748 | break; |
- | |
7749 | } |
- | |
7750 | - | ||
7751 | if (i == ARRAY_SIZE(hdmi_audio_clock)) { |
- | |
7752 | DRM_DEBUG_KMS("HDMI audio pixel clock setting for %d not found, falling back to defaults\n", mode->clock); |
- | |
7753 | i = 1; |
8177 | pipe_config->pixel_multiplier = 1; |
7754 | } |
- | |
7755 | - | ||
7756 | DRM_DEBUG_KMS("Configuring HDMI audio for pixel clock %d (0x%08x)\n", |
- | |
7757 | hdmi_audio_clock[i].clock, |
- | |
7758 | hdmi_audio_clock[i].config); |
- | |
7759 | - | ||
7760 | return hdmi_audio_clock[i].config; |
- | |
7761 | } |
- | |
7762 | - | ||
7763 | static bool intel_eld_uptodate(struct drm_connector *connector, |
- | |
7764 | int reg_eldv, uint32_t bits_eldv, |
- | |
7765 | int reg_elda, uint32_t bits_elda, |
- | |
7766 | int reg_edid) |
- | |
7767 | { |
- | |
7768 | struct drm_i915_private *dev_priv = connector->dev->dev_private; |
- | |
7769 | uint8_t *eld = connector->eld; |
- | |
7770 | uint32_t i; |
- | |
7771 | - | ||
7772 | i = I915_READ(reg_eldv); |
- | |
7773 | i &= bits_eldv; |
- | |
7774 | - | ||
7775 | if (!eld[0]) |
- | |
7776 | return !i; |
- | |
7777 | - | ||
7778 | if (!i) |
- | |
7779 | return false; |
- | |
7780 | - | ||
7781 | i = I915_READ(reg_elda); |
- | |
7782 | i &= ~bits_elda; |
- | |
7783 | I915_WRITE(reg_elda, i); |
- | |
7784 | - | ||
7785 | for (i = 0; i < eld[2]; i++) |
- | |
7786 | if (I915_READ(reg_edid) != *((uint32_t *)eld + i)) |
- | |
7787 | return false; |
8178 | } |
7788 | 8179 | ||
7789 | return true; |
8180 | return true; |
7790 | } |
8181 | } |
7791 | 8182 | ||
7792 | static void g4x_write_eld(struct drm_connector *connector, |
- | |
7793 | struct drm_crtc *crtc, |
- | |
7794 | struct drm_display_mode *mode) |
- | |
7795 | { |
- | |
7796 | struct drm_i915_private *dev_priv = connector->dev->dev_private; |
- | |
7797 | uint8_t *eld = connector->eld; |
- | |
7798 | uint32_t eldv; |
- | |
7799 | uint32_t len; |
- | |
7800 | uint32_t i; |
- | |
7801 | - | ||
7802 | i = I915_READ(G4X_AUD_VID_DID); |
- | |
7803 | - | ||
7804 | if (i == INTEL_AUDIO_DEVBLC || i == INTEL_AUDIO_DEVCL) |
- | |
7805 | eldv = G4X_ELDV_DEVCL_DEVBLC; |
- | |
7806 | else |
- | |
7807 | eldv = G4X_ELDV_DEVCTG; |
- | |
7808 | - | ||
7809 | if (intel_eld_uptodate(connector, |
- | |
7810 | G4X_AUD_CNTL_ST, eldv, |
- | |
7811 | G4X_AUD_CNTL_ST, G4X_ELD_ADDR, |
- | |
7812 | G4X_HDMIW_HDMIEDID)) |
- | |
7813 | return; |
- | |
7814 | - | ||
7815 | i = I915_READ(G4X_AUD_CNTL_ST); |
- | |
7816 | i &= ~(eldv | G4X_ELD_ADDR); |
- | |
7817 | len = (i >> 9) & 0x1f; /* ELD buffer size */ |
- | |
7818 | I915_WRITE(G4X_AUD_CNTL_ST, i); |
- | |
7819 | - | ||
7820 | if (!eld[0]) |
- | |
7821 | return; |
- | |
7822 | - | ||
7823 | len = min_t(uint8_t, eld[2], len); |
- | |
7824 | DRM_DEBUG_DRIVER("ELD size %d\n", len); |
- | |
7825 | for (i = 0; i < len; i++) |
- | |
7826 | I915_WRITE(G4X_HDMIW_HDMIEDID, *((uint32_t *)eld + i)); |
- | |
7827 | - | ||
7828 | i = I915_READ(G4X_AUD_CNTL_ST); |
- | |
7829 | i |= eldv; |
- | |
7830 | I915_WRITE(G4X_AUD_CNTL_ST, i); |
- | |
7831 | } |
- | |
7832 | - | ||
7833 | static void haswell_write_eld(struct drm_connector *connector, |
- | |
7834 | struct drm_crtc *crtc, |
- | |
7835 | struct drm_display_mode *mode) |
- | |
7836 | { |
- | |
7837 | struct drm_i915_private *dev_priv = connector->dev->dev_private; |
- | |
7838 | uint8_t *eld = connector->eld; |
- | |
7839 | uint32_t eldv; |
- | |
7840 | uint32_t i; |
- | |
7841 | int len; |
- | |
7842 | int pipe = to_intel_crtc(crtc)->pipe; |
- | |
7843 | int tmp; |
- | |
7844 | - | ||
7845 | int hdmiw_hdmiedid = HSW_AUD_EDID_DATA(pipe); |
- | |
7846 | int aud_cntl_st = HSW_AUD_DIP_ELD_CTRL(pipe); |
- | |
7847 | int aud_config = HSW_AUD_CFG(pipe); |
- | |
7848 | int aud_cntrl_st2 = HSW_AUD_PIN_ELD_CP_VLD; |
- | |
7849 | - | ||
7850 | /* Audio output enable */ |
- | |
7851 | DRM_DEBUG_DRIVER("HDMI audio: enable codec\n"); |
- | |
7852 | tmp = I915_READ(aud_cntrl_st2); |
- | |
7853 | tmp |= (AUDIO_OUTPUT_ENABLE_A << (pipe * 4)); |
- | |
7854 | I915_WRITE(aud_cntrl_st2, tmp); |
- | |
7855 | POSTING_READ(aud_cntrl_st2); |
- | |
7856 | - | ||
7857 | assert_pipe_disabled(dev_priv, to_intel_crtc(crtc)->pipe); |
- | |
7858 | - | ||
7859 | /* Set ELD valid state */ |
- | |
7860 | tmp = I915_READ(aud_cntrl_st2); |
- | |
7861 | DRM_DEBUG_DRIVER("HDMI audio: pin eld vld status=0x%08x\n", tmp); |
- | |
7862 | tmp |= (AUDIO_ELD_VALID_A << (pipe * 4)); |
- | |
7863 | I915_WRITE(aud_cntrl_st2, tmp); |
- | |
7864 | tmp = I915_READ(aud_cntrl_st2); |
- | |
7865 | DRM_DEBUG_DRIVER("HDMI audio: eld vld status=0x%08x\n", tmp); |
- | |
7866 | - | ||
7867 | /* Enable HDMI mode */ |
- | |
7868 | tmp = I915_READ(aud_config); |
- | |
7869 | DRM_DEBUG_DRIVER("HDMI audio: audio conf: 0x%08x\n", tmp); |
- | |
7870 | /* clear N_programing_enable and N_value_index */ |
- | |
7871 | tmp &= ~(AUD_CONFIG_N_VALUE_INDEX | AUD_CONFIG_N_PROG_ENABLE); |
- | |
7872 | I915_WRITE(aud_config, tmp); |
- | |
7873 | - | ||
7874 | DRM_DEBUG_DRIVER("ELD on pipe %c\n", pipe_name(pipe)); |
- | |
7875 | - | ||
7876 | eldv = AUDIO_ELD_VALID_A << (pipe * 4); |
- | |
7877 | - | ||
7878 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) { |
- | |
7879 | DRM_DEBUG_DRIVER("ELD: DisplayPort detected\n"); |
- | |
7880 | eld[5] |= (1 << 2); /* Conn_Type, 0x1 = DisplayPort */ |
- | |
7881 | I915_WRITE(aud_config, AUD_CONFIG_N_VALUE_INDEX); /* 0x1 = DP */ |
- | |
7882 | } else { |
- | |
7883 | I915_WRITE(aud_config, audio_config_hdmi_pixel_clock(mode)); |
- | |
7884 | } |
- | |
7885 | - | ||
7886 | if (intel_eld_uptodate(connector, |
- | |
7887 | aud_cntrl_st2, eldv, |
- | |
7888 | aud_cntl_st, IBX_ELD_ADDRESS, |
- | |
7889 | hdmiw_hdmiedid)) |
- | |
7890 | return; |
- | |
7891 | - | ||
7892 | i = I915_READ(aud_cntrl_st2); |
- | |
7893 | i &= ~eldv; |
- | |
7894 | I915_WRITE(aud_cntrl_st2, i); |
- | |
7895 | - | ||
7896 | if (!eld[0]) |
- | |
7897 | return; |
- | |
7898 | - | ||
7899 | i = I915_READ(aud_cntl_st); |
- | |
7900 | i &= ~IBX_ELD_ADDRESS; |
- | |
7901 | I915_WRITE(aud_cntl_st, i); |
- | |
7902 | i = (i >> 29) & DIP_PORT_SEL_MASK; /* DIP_Port_Select, 0x1 = PortB */ |
- | |
7903 | DRM_DEBUG_DRIVER("port num:%d\n", i); |
- | |
7904 | - | ||
7905 | len = min_t(uint8_t, eld[2], 21); /* 84 bytes of hw ELD buffer */ |
- | |
7906 | DRM_DEBUG_DRIVER("ELD size %d\n", len); |
- | |
7907 | for (i = 0; i < len; i++) |
- | |
7908 | I915_WRITE(hdmiw_hdmiedid, *((uint32_t *)eld + i)); |
- | |
7909 | - | ||
7910 | i = I915_READ(aud_cntrl_st2); |
- | |
7911 | i |= eldv; |
- | |
7912 | I915_WRITE(aud_cntrl_st2, i); |
- | |
7913 | - | ||
7914 | } |
- | |
7915 | - | ||
7916 | static void ironlake_write_eld(struct drm_connector *connector, |
- | |
7917 | struct drm_crtc *crtc, |
- | |
7918 | struct drm_display_mode *mode) |
- | |
7919 | { |
- | |
7920 | struct drm_i915_private *dev_priv = connector->dev->dev_private; |
- | |
7921 | uint8_t *eld = connector->eld; |
- | |
7922 | uint32_t eldv; |
- | |
7923 | uint32_t i; |
- | |
7924 | int len; |
- | |
7925 | int hdmiw_hdmiedid; |
- | |
7926 | int aud_config; |
- | |
7927 | int aud_cntl_st; |
- | |
7928 | int aud_cntrl_st2; |
- | |
7929 | int pipe = to_intel_crtc(crtc)->pipe; |
- | |
7930 | - | ||
7931 | if (HAS_PCH_IBX(connector->dev)) { |
- | |
7932 | hdmiw_hdmiedid = IBX_HDMIW_HDMIEDID(pipe); |
- | |
7933 | aud_config = IBX_AUD_CFG(pipe); |
- | |
7934 | aud_cntl_st = IBX_AUD_CNTL_ST(pipe); |
- | |
7935 | aud_cntrl_st2 = IBX_AUD_CNTL_ST2; |
- | |
7936 | } else if (IS_VALLEYVIEW(connector->dev)) { |
- | |
7937 | hdmiw_hdmiedid = VLV_HDMIW_HDMIEDID(pipe); |
- | |
7938 | aud_config = VLV_AUD_CFG(pipe); |
- | |
7939 | aud_cntl_st = VLV_AUD_CNTL_ST(pipe); |
- | |
7940 | aud_cntrl_st2 = VLV_AUD_CNTL_ST2; |
- | |
7941 | } else { |
- | |
7942 | hdmiw_hdmiedid = CPT_HDMIW_HDMIEDID(pipe); |
- | |
7943 | aud_config = CPT_AUD_CFG(pipe); |
- | |
7944 | aud_cntl_st = CPT_AUD_CNTL_ST(pipe); |
- | |
7945 | aud_cntrl_st2 = CPT_AUD_CNTRL_ST2; |
- | |
7946 | } |
- | |
7947 | - | ||
7948 | DRM_DEBUG_DRIVER("ELD on pipe %c\n", pipe_name(pipe)); |
- | |
7949 | - | ||
7950 | if (IS_VALLEYVIEW(connector->dev)) { |
- | |
7951 | struct intel_encoder *intel_encoder; |
- | |
7952 | struct intel_digital_port *intel_dig_port; |
- | |
7953 | - | ||
7954 | intel_encoder = intel_attached_encoder(connector); |
- | |
7955 | intel_dig_port = enc_to_dig_port(&intel_encoder->base); |
- | |
7956 | i = intel_dig_port->port; |
- | |
7957 | } else { |
- | |
7958 | i = I915_READ(aud_cntl_st); |
- | |
7959 | i = (i >> 29) & DIP_PORT_SEL_MASK; |
- | |
7960 | /* DIP_Port_Select, 0x1 = PortB */ |
- | |
7961 | } |
- | |
7962 | - | ||
7963 | if (!i) { |
- | |
7964 | DRM_DEBUG_DRIVER("Audio directed to unknown port\n"); |
- | |
7965 | /* operate blindly on all ports */ |
- | |
7966 | eldv = IBX_ELD_VALIDB; |
- | |
7967 | eldv |= IBX_ELD_VALIDB << 4; |
- | |
7968 | eldv |= IBX_ELD_VALIDB << 8; |
- | |
7969 | } else { |
- | |
7970 | DRM_DEBUG_DRIVER("ELD on port %c\n", port_name(i)); |
- | |
7971 | eldv = IBX_ELD_VALIDB << ((i - 1) * 4); |
- | |
7972 | } |
- | |
7973 | - | ||
7974 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) { |
- | |
7975 | DRM_DEBUG_DRIVER("ELD: DisplayPort detected\n"); |
- | |
7976 | eld[5] |= (1 << 2); /* Conn_Type, 0x1 = DisplayPort */ |
- | |
7977 | I915_WRITE(aud_config, AUD_CONFIG_N_VALUE_INDEX); /* 0x1 = DP */ |
- | |
7978 | } else { |
- | |
7979 | I915_WRITE(aud_config, audio_config_hdmi_pixel_clock(mode)); |
- | |
7980 | } |
- | |
7981 | - | ||
7982 | if (intel_eld_uptodate(connector, |
- | |
7983 | aud_cntrl_st2, eldv, |
- | |
7984 | aud_cntl_st, IBX_ELD_ADDRESS, |
- | |
7985 | hdmiw_hdmiedid)) |
- | |
7986 | return; |
- | |
7987 | - | ||
7988 | i = I915_READ(aud_cntrl_st2); |
- | |
7989 | i &= ~eldv; |
- | |
7990 | I915_WRITE(aud_cntrl_st2, i); |
- | |
7991 | - | ||
7992 | if (!eld[0]) |
- | |
7993 | return; |
- | |
7994 | - | ||
7995 | i = I915_READ(aud_cntl_st); |
- | |
7996 | i &= ~IBX_ELD_ADDRESS; |
- | |
7997 | I915_WRITE(aud_cntl_st, i); |
- | |
7998 | - | ||
7999 | len = min_t(uint8_t, eld[2], 21); /* 84 bytes of hw ELD buffer */ |
- | |
8000 | DRM_DEBUG_DRIVER("ELD size %d\n", len); |
- | |
8001 | for (i = 0; i < len; i++) |
- | |
8002 | I915_WRITE(hdmiw_hdmiedid, *((uint32_t *)eld + i)); |
- | |
8003 | - | ||
8004 | i = I915_READ(aud_cntrl_st2); |
- | |
8005 | i |= eldv; |
- | |
8006 | I915_WRITE(aud_cntrl_st2, i); |
- | |
8007 | } |
- | |
8008 | - | ||
8009 | void intel_write_eld(struct drm_encoder *encoder, |
- | |
8010 | struct drm_display_mode *mode) |
8183 | static void i845_update_cursor(struct drm_crtc *crtc, u32 base) |
8011 | { |
- | |
8012 | struct drm_crtc *crtc = encoder->crtc; |
- | |
8013 | struct drm_connector *connector; |
8184 | { |
8014 | struct drm_device *dev = encoder->dev; |
8185 | struct drm_device *dev = crtc->dev; |
- | 8186 | struct drm_i915_private *dev_priv = dev->dev_private; |
|
- | 8187 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
|
- | 8188 | uint32_t cntl = 0, size = 0; |
|
8015 | struct drm_i915_private *dev_priv = dev->dev_private; |
8189 | |
8016 | 8190 | if (base) { |
|
8017 | connector = drm_select_eld(encoder, mode); |
8191 | unsigned int width = intel_crtc->cursor_width; |
- | 8192 | unsigned int height = intel_crtc->cursor_height; |
|
- | 8193 | unsigned int stride = roundup_pow_of_two(width) * 4; |
|
8018 | if (!connector) |
8194 | |
8019 | return; |
8195 | switch (stride) { |
8020 | 8196 | default: |
|
8021 | DRM_DEBUG_DRIVER("ELD on [CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
8197 | WARN_ONCE(1, "Invalid cursor width/stride, width=%u, stride=%u\n", |
- | 8198 | width, stride); |
|
- | 8199 | stride = 256; |
|
- | 8200 | /* fallthrough */ |
|
- | 8201 | case 256: |
|
8022 | connector->base.id, |
8202 | case 512: |
- | 8203 | case 1024: |
|
- | 8204 | case 2048: |
|
- | 8205 | break; |
|
- | 8206 | } |
|
8023 | connector->name, |
8207 | |
8024 | connector->encoder->base.id, |
8208 | cntl |= CURSOR_ENABLE | |
8025 | connector->encoder->name); |
- | |
8026 | 8209 | CURSOR_GAMMA_ENABLE | |
|
8027 | connector->eld[6] = drm_av_sync_delay(connector, mode) / 2; |
- | |
8028 | - | ||
8029 | if (dev_priv->display.write_eld) |
8210 | CURSOR_FORMAT_ARGB | |
8030 | dev_priv->display.write_eld(connector, crtc, mode); |
8211 | CURSOR_STRIDE(stride); |
8031 | } |
8212 | |
8032 | - | ||
8033 | static void i845_update_cursor(struct drm_crtc *crtc, u32 base) |
- | |
8034 | { |
8213 | size = (height << 12) | width; |
8035 | struct drm_device *dev = crtc->dev; |
8214 | } |
8036 | struct drm_i915_private *dev_priv = dev->dev_private; |
8215 | |
8037 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8216 | if (intel_crtc->cursor_cntl != 0 && |
8038 | uint32_t cntl; |
- | |
8039 | 8217 | (intel_crtc->cursor_base != base || |
|
8040 | if (base != intel_crtc->cursor_base) { |
8218 | intel_crtc->cursor_size != size || |
8041 | /* On these chipsets we can only modify the base whilst |
8219 | intel_crtc->cursor_cntl != cntl)) { |
8042 | * the cursor is disabled. |
8220 | /* On these chipsets we can only modify the base/size/stride |
8043 | */ |
8221 | * whilst the cursor is disabled. |
8044 | if (intel_crtc->cursor_cntl) { |
8222 | */ |
8045 | I915_WRITE(_CURACNTR, 0); |
8223 | I915_WRITE(_CURACNTR, 0); |
8046 | POSTING_READ(_CURACNTR); |
8224 | POSTING_READ(_CURACNTR); |
8047 | intel_crtc->cursor_cntl = 0; |
8225 | intel_crtc->cursor_cntl = 0; |
8048 | } |
8226 | } |
- | 8227 | ||
8049 | 8228 | if (intel_crtc->cursor_base != base) { |
|
- | 8229 | I915_WRITE(_CURABASE, base); |
|
- | 8230 | intel_crtc->cursor_base = base; |
|
- | 8231 | } |
|
- | 8232 | ||
8050 | I915_WRITE(_CURABASE, base); |
8233 | if (intel_crtc->cursor_size != size) { |
- | 8234 | I915_WRITE(CURSIZE, size); |
|
8051 | POSTING_READ(_CURABASE); |
8235 | intel_crtc->cursor_size = size; |
8052 | } |
- | |
8053 | - | ||
8054 | /* XXX width must be 64, stride 256 => 0x00 << 28 */ |
- | |
8055 | cntl = 0; |
- | |
8056 | if (base) |
- | |
8057 | cntl = (CURSOR_ENABLE | |
- | |
8058 | CURSOR_GAMMA_ENABLE | |
8236 | } |
8059 | CURSOR_FORMAT_ARGB); |
8237 | |
8060 | if (intel_crtc->cursor_cntl != cntl) { |
8238 | if (intel_crtc->cursor_cntl != cntl) { |
8061 | I915_WRITE(_CURACNTR, cntl); |
8239 | I915_WRITE(_CURACNTR, cntl); |
8062 | POSTING_READ(_CURACNTR); |
8240 | POSTING_READ(_CURACNTR); |
8063 | intel_crtc->cursor_cntl = cntl; |
8241 | intel_crtc->cursor_cntl = cntl; |
8064 | } |
8242 | } |
8065 | } |
8243 | } |
8066 | 8244 | ||
8067 | static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base) |
8245 | static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base) |
8068 | { |
8246 | { |
8069 | struct drm_device *dev = crtc->dev; |
8247 | struct drm_device *dev = crtc->dev; |
8070 | struct drm_i915_private *dev_priv = dev->dev_private; |
8248 | struct drm_i915_private *dev_priv = dev->dev_private; |
8071 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8249 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8072 | int pipe = intel_crtc->pipe; |
8250 | int pipe = intel_crtc->pipe; |
8073 | uint32_t cntl; |
8251 | uint32_t cntl; |
8074 | 8252 | ||
8075 | cntl = 0; |
8253 | cntl = 0; |
8076 | if (base) { |
8254 | if (base) { |
8077 | cntl = MCURSOR_GAMMA_ENABLE; |
8255 | cntl = MCURSOR_GAMMA_ENABLE; |
8078 | switch (intel_crtc->cursor_width) { |
8256 | switch (intel_crtc->cursor_width) { |
8079 | case 64: |
8257 | case 64: |
8080 | cntl |= CURSOR_MODE_64_ARGB_AX; |
8258 | cntl |= CURSOR_MODE_64_ARGB_AX; |
8081 | break; |
8259 | break; |
8082 | case 128: |
8260 | case 128: |
8083 | cntl |= CURSOR_MODE_128_ARGB_AX; |
8261 | cntl |= CURSOR_MODE_128_ARGB_AX; |
8084 | break; |
8262 | break; |
8085 | case 256: |
8263 | case 256: |
8086 | cntl |= CURSOR_MODE_256_ARGB_AX; |
8264 | cntl |= CURSOR_MODE_256_ARGB_AX; |
8087 | break; |
8265 | break; |
8088 | default: |
8266 | default: |
8089 | WARN_ON(1); |
8267 | WARN_ON(1); |
8090 | return; |
8268 | return; |
8091 | } |
8269 | } |
8092 | cntl |= pipe << 28; /* Connect to correct pipe */ |
8270 | cntl |= pipe << 28; /* Connect to correct pipe */ |
8093 | } |
- | |
8094 | if (intel_crtc->cursor_cntl != cntl) { |
- | |
8095 | I915_WRITE(CURCNTR(pipe), cntl); |
- | |
8096 | POSTING_READ(CURCNTR(pipe)); |
- | |
8097 | intel_crtc->cursor_cntl = cntl; |
- | |
8098 | } |
- | |
8099 | - | ||
8100 | /* and commit changes on next vblank */ |
- | |
8101 | I915_WRITE(CURBASE(pipe), base); |
- | |
8102 | POSTING_READ(CURBASE(pipe)); |
- | |
8103 | } |
- | |
8104 | - | ||
8105 | static void ivb_update_cursor(struct drm_crtc *crtc, u32 base) |
- | |
8106 | { |
- | |
8107 | struct drm_device *dev = crtc->dev; |
- | |
8108 | struct drm_i915_private *dev_priv = dev->dev_private; |
- | |
8109 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
- | |
8110 | int pipe = intel_crtc->pipe; |
- | |
8111 | uint32_t cntl; |
- | |
8112 | - | ||
8113 | cntl = 0; |
- | |
8114 | if (base) { |
- | |
8115 | cntl = MCURSOR_GAMMA_ENABLE; |
- | |
8116 | switch (intel_crtc->cursor_width) { |
- | |
8117 | case 64: |
- | |
8118 | cntl |= CURSOR_MODE_64_ARGB_AX; |
- | |
8119 | break; |
- | |
8120 | case 128: |
- | |
8121 | cntl |= CURSOR_MODE_128_ARGB_AX; |
- | |
8122 | break; |
- | |
8123 | case 256: |
- | |
8124 | cntl |= CURSOR_MODE_256_ARGB_AX; |
- | |
8125 | break; |
- | |
8126 | default: |
- | |
8127 | WARN_ON(1); |
- | |
8128 | return; |
- | |
8129 | } |
- | |
8130 | } |
8271 | |
8131 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
8272 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
- | 8273 | cntl |= CURSOR_PIPE_CSC_ENABLE; |
|
- | 8274 | } |
|
- | 8275 | ||
- | 8276 | if (to_intel_plane(crtc->cursor)->rotation == BIT(DRM_ROTATE_180)) |
|
8132 | cntl |= CURSOR_PIPE_CSC_ENABLE; |
8277 | cntl |= CURSOR_ROTATE_180; |
8133 | 8278 | ||
8134 | if (intel_crtc->cursor_cntl != cntl) { |
8279 | if (intel_crtc->cursor_cntl != cntl) { |
8135 | I915_WRITE(CURCNTR(pipe), cntl); |
8280 | I915_WRITE(CURCNTR(pipe), cntl); |
8136 | POSTING_READ(CURCNTR(pipe)); |
8281 | POSTING_READ(CURCNTR(pipe)); |
8137 | intel_crtc->cursor_cntl = cntl; |
8282 | intel_crtc->cursor_cntl = cntl; |
8138 | } |
8283 | } |
8139 | 8284 | ||
8140 | /* and commit changes on next vblank */ |
8285 | /* and commit changes on next vblank */ |
8141 | I915_WRITE(CURBASE(pipe), base); |
8286 | I915_WRITE(CURBASE(pipe), base); |
8142 | POSTING_READ(CURBASE(pipe)); |
8287 | POSTING_READ(CURBASE(pipe)); |
- | 8288 | ||
- | 8289 | intel_crtc->cursor_base = base; |
|
8143 | } |
8290 | } |
8144 | 8291 | ||
8145 | /* If no-part of the cursor is visible on the framebuffer, then the GPU may hang... */ |
8292 | /* If no-part of the cursor is visible on the framebuffer, then the GPU may hang... */ |
8146 | void intel_crtc_update_cursor(struct drm_crtc *crtc, |
8293 | void intel_crtc_update_cursor(struct drm_crtc *crtc, |
8147 | bool on) |
8294 | bool on) |
8148 | { |
8295 | { |
8149 | struct drm_device *dev = crtc->dev; |
8296 | struct drm_device *dev = crtc->dev; |
8150 | struct drm_i915_private *dev_priv = dev->dev_private; |
8297 | struct drm_i915_private *dev_priv = dev->dev_private; |
8151 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8298 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8152 | int pipe = intel_crtc->pipe; |
8299 | int pipe = intel_crtc->pipe; |
8153 | int x = crtc->cursor_x; |
8300 | int x = crtc->cursor_x; |
8154 | int y = crtc->cursor_y; |
8301 | int y = crtc->cursor_y; |
8155 | u32 base = 0, pos = 0; |
8302 | u32 base = 0, pos = 0; |
8156 | 8303 | ||
8157 | if (on) |
8304 | if (on) |
8158 | base = intel_crtc->cursor_addr; |
8305 | base = intel_crtc->cursor_addr; |
8159 | 8306 | ||
8160 | if (x >= intel_crtc->config.pipe_src_w) |
8307 | if (x >= intel_crtc->config.pipe_src_w) |
8161 | base = 0; |
8308 | base = 0; |
8162 | 8309 | ||
8163 | if (y >= intel_crtc->config.pipe_src_h) |
8310 | if (y >= intel_crtc->config.pipe_src_h) |
8164 | base = 0; |
8311 | base = 0; |
8165 | 8312 | ||
8166 | if (x < 0) { |
8313 | if (x < 0) { |
8167 | if (x + intel_crtc->cursor_width <= 0) |
8314 | if (x + intel_crtc->cursor_width <= 0) |
8168 | base = 0; |
8315 | base = 0; |
8169 | 8316 | ||
8170 | pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT; |
8317 | pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT; |
8171 | x = -x; |
8318 | x = -x; |
8172 | } |
8319 | } |
8173 | pos |= x << CURSOR_X_SHIFT; |
8320 | pos |= x << CURSOR_X_SHIFT; |
8174 | 8321 | ||
8175 | if (y < 0) { |
8322 | if (y < 0) { |
8176 | if (y + intel_crtc->cursor_height <= 0) |
8323 | if (y + intel_crtc->cursor_height <= 0) |
8177 | base = 0; |
8324 | base = 0; |
8178 | 8325 | ||
8179 | pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT; |
8326 | pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT; |
8180 | y = -y; |
8327 | y = -y; |
8181 | } |
8328 | } |
8182 | pos |= y << CURSOR_Y_SHIFT; |
8329 | pos |= y << CURSOR_Y_SHIFT; |
8183 | 8330 | ||
8184 | if (base == 0 && intel_crtc->cursor_base == 0) |
8331 | if (base == 0 && intel_crtc->cursor_base == 0) |
8185 | return; |
8332 | return; |
8186 | 8333 | ||
8187 | I915_WRITE(CURPOS(pipe), pos); |
8334 | I915_WRITE(CURPOS(pipe), pos); |
- | 8335 | ||
- | 8336 | /* ILK+ do this automagically */ |
|
8188 | 8337 | if (HAS_GMCH_DISPLAY(dev) && |
|
- | 8338 | to_intel_plane(crtc->cursor)->rotation == BIT(DRM_ROTATE_180)) { |
|
8189 | if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev) || IS_BROADWELL(dev)) |
8339 | base += (intel_crtc->cursor_height * |
- | 8340 | intel_crtc->cursor_width - 1) * 4; |
|
- | 8341 | } |
|
8190 | ivb_update_cursor(crtc, base); |
8342 | |
8191 | else if (IS_845G(dev) || IS_I865G(dev)) |
8343 | if (IS_845G(dev) || IS_I865G(dev)) |
8192 | i845_update_cursor(crtc, base); |
8344 | i845_update_cursor(crtc, base); |
8193 | else |
8345 | else |
8194 | i9xx_update_cursor(crtc, base); |
8346 | i9xx_update_cursor(crtc, base); |
8195 | intel_crtc->cursor_base = base; |
- | |
8196 | } |
8347 | } |
- | 8348 | ||
- | 8349 | static bool cursor_size_ok(struct drm_device *dev, |
|
- | 8350 | uint32_t width, uint32_t height) |
|
- | 8351 | { |
|
- | 8352 | if (width == 0 || height == 0) |
|
- | 8353 | return false; |
|
8197 | 8354 | ||
8198 | /* |
8355 | /* |
8199 | * intel_crtc_cursor_set_obj - Set cursor to specified GEM object |
- | |
8200 | * |
8356 | * 845g/865g are special in that they are only limited by |
8201 | * Note that the object's reference will be consumed if the update fails. If |
8357 | * the width of their cursors, the height is arbitrary up to |
8202 | * the update succeeds, the reference of the old object (if any) will be |
8358 | * the precision of the register. Everything else requires |
8203 | * consumed. |
8359 | * square cursors, limited to a few power-of-two sizes. |
- | 8360 | */ |
|
- | 8361 | if (IS_845G(dev) || IS_I865G(dev)) { |
|
- | 8362 | if ((width & 63) != 0) |
|
- | 8363 | return false; |
|
- | 8364 | ||
- | 8365 | if (width > (IS_845G(dev) ? 64 : 512)) |
|
- | 8366 | return false; |
|
- | 8367 | ||
- | 8368 | if (height > 1023) |
|
- | 8369 | return false; |
|
- | 8370 | } else { |
|
- | 8371 | switch (width | height) { |
|
- | 8372 | case 256: |
|
- | 8373 | case 128: |
|
- | 8374 | if (IS_GEN2(dev)) |
|
- | 8375 | return false; |
|
- | 8376 | case 64: |
|
- | 8377 | break; |
|
- | 8378 | default: |
|
- | 8379 | return false; |
|
- | 8380 | } |
|
- | 8381 | } |
|
- | 8382 | ||
- | 8383 | return true; |
|
- | 8384 | } |
|
8204 | */ |
8385 | |
8205 | static int intel_crtc_cursor_set_obj(struct drm_crtc *crtc, |
8386 | static int intel_crtc_cursor_set_obj(struct drm_crtc *crtc, |
8206 | struct drm_i915_gem_object *obj, |
8387 | struct drm_i915_gem_object *obj, |
8207 | uint32_t width, uint32_t height) |
8388 | uint32_t width, uint32_t height) |
8208 | { |
8389 | { |
8209 | struct drm_device *dev = crtc->dev; |
8390 | struct drm_device *dev = crtc->dev; |
8210 | struct drm_i915_private *dev_priv = dev->dev_private; |
8391 | struct drm_i915_private *dev_priv = to_i915(dev); |
8211 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8392 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8212 | enum pipe pipe = intel_crtc->pipe; |
8393 | enum pipe pipe = intel_crtc->pipe; |
8213 | unsigned old_width; |
8394 | unsigned old_width; |
8214 | uint32_t addr; |
8395 | uint32_t addr; |
8215 | int ret; |
8396 | int ret; |
8216 | 8397 | ||
8217 | /* if we want to turn off the cursor ignore width and height */ |
8398 | /* if we want to turn off the cursor ignore width and height */ |
8218 | if (!obj) { |
8399 | if (!obj) { |
8219 | DRM_DEBUG_KMS("cursor off\n"); |
8400 | DRM_DEBUG_KMS("cursor off\n"); |
8220 | addr = 0; |
8401 | addr = 0; |
8221 | obj = NULL; |
- | |
8222 | mutex_lock(&dev->struct_mutex); |
8402 | mutex_lock(&dev->struct_mutex); |
8223 | goto finish; |
8403 | goto finish; |
8224 | } |
8404 | } |
8225 | - | ||
8226 | /* Check for which cursor types we support */ |
- | |
8227 | if (!((width == 64 && height == 64) || |
- | |
8228 | (width == 128 && height == 128 && !IS_GEN2(dev)) || |
- | |
8229 | (width == 256 && height == 256 && !IS_GEN2(dev)))) { |
- | |
8230 | DRM_DEBUG("Cursor dimension not supported\n"); |
- | |
8231 | return -EINVAL; |
- | |
8232 | } |
- | |
8233 | - | ||
8234 | if (obj->base.size < width * height * 4) { |
- | |
8235 | DRM_DEBUG_KMS("buffer is too small\n"); |
- | |
8236 | ret = -ENOMEM; |
- | |
8237 | goto fail; |
- | |
8238 | } |
- | |
8239 | 8405 | ||
8240 | /* we only need to pin inside GTT if cursor is non-phy */ |
8406 | /* we only need to pin inside GTT if cursor is non-phy */ |
8241 | mutex_lock(&dev->struct_mutex); |
8407 | mutex_lock(&dev->struct_mutex); |
8242 | if (!INTEL_INFO(dev)->cursor_needs_physical) { |
8408 | if (!INTEL_INFO(dev)->cursor_needs_physical) { |
8243 | unsigned alignment; |
8409 | unsigned alignment; |
8244 | - | ||
8245 | if (obj->tiling_mode) { |
- | |
8246 | DRM_DEBUG_KMS("cursor cannot be tiled\n"); |
- | |
8247 | ret = -EINVAL; |
- | |
8248 | goto fail_locked; |
- | |
8249 | } |
- | |
8250 | 8410 | ||
8251 | /* |
8411 | /* |
8252 | * Global gtt pte registers are special registers which actually |
8412 | * Global gtt pte registers are special registers which actually |
8253 | * forward writes to a chunk of system memory. Which means that |
8413 | * forward writes to a chunk of system memory. Which means that |
8254 | * there is no risk that the register values disappear as soon |
8414 | * there is no risk that the register values disappear as soon |
8255 | * as we call intel_runtime_pm_put(), so it is correct to wrap |
8415 | * as we call intel_runtime_pm_put(), so it is correct to wrap |
8256 | * only the pin/unpin/fence and not more. |
8416 | * only the pin/unpin/fence and not more. |
8257 | */ |
8417 | */ |
8258 | intel_runtime_pm_get(dev_priv); |
8418 | intel_runtime_pm_get(dev_priv); |
8259 | 8419 | ||
8260 | /* Note that the w/a also requires 2 PTE of padding following |
8420 | /* Note that the w/a also requires 2 PTE of padding following |
8261 | * the bo. We currently fill all unused PTE with the shadow |
8421 | * the bo. We currently fill all unused PTE with the shadow |
8262 | * page and so we should always have valid PTE following the |
8422 | * page and so we should always have valid PTE following the |
8263 | * cursor preventing the VT-d warning. |
8423 | * cursor preventing the VT-d warning. |
8264 | */ |
8424 | */ |
8265 | alignment = 0; |
8425 | alignment = 0; |
8266 | if (need_vtd_wa(dev)) |
8426 | if (need_vtd_wa(dev)) |
8267 | alignment = 64*1024; |
8427 | alignment = 64*1024; |
8268 | 8428 | ||
8269 | ret = i915_gem_object_pin_to_display_plane(obj, alignment, NULL); |
8429 | ret = i915_gem_object_pin_to_display_plane(obj, alignment, NULL); |
8270 | if (ret) { |
8430 | if (ret) { |
8271 | DRM_DEBUG_KMS("failed to move cursor bo into the GTT\n"); |
8431 | DRM_DEBUG_KMS("failed to move cursor bo into the GTT\n"); |
8272 | intel_runtime_pm_put(dev_priv); |
8432 | intel_runtime_pm_put(dev_priv); |
8273 | goto fail_locked; |
8433 | goto fail_locked; |
8274 | } |
8434 | } |
8275 | 8435 | ||
8276 | ret = i915_gem_object_put_fence(obj); |
8436 | ret = i915_gem_object_put_fence(obj); |
8277 | if (ret) { |
8437 | if (ret) { |
8278 | DRM_DEBUG_KMS("failed to release fence for cursor"); |
8438 | DRM_DEBUG_KMS("failed to release fence for cursor"); |
8279 | intel_runtime_pm_put(dev_priv); |
8439 | intel_runtime_pm_put(dev_priv); |
8280 | goto fail_unpin; |
8440 | goto fail_unpin; |
8281 | } |
8441 | } |
8282 | 8442 | ||
8283 | addr = i915_gem_obj_ggtt_offset(obj); |
8443 | addr = i915_gem_obj_ggtt_offset(obj); |
8284 | 8444 | ||
8285 | intel_runtime_pm_put(dev_priv); |
8445 | intel_runtime_pm_put(dev_priv); |
8286 | } else { |
8446 | } else { |
8287 | int align = IS_I830(dev) ? 16 * 1024 : 256; |
8447 | int align = IS_I830(dev) ? 16 * 1024 : 256; |
8288 | // ret = i915_gem_object_attach_phys(obj, align); |
8448 | ret = 1;//i915_gem_object_attach_phys(obj, align); |
8289 | // if (ret) { |
8449 | if (ret) { |
8290 | // DRM_DEBUG_KMS("failed to attach phys object\n"); |
8450 | DRM_DEBUG_KMS("failed to attach phys object\n"); |
8291 | // goto fail_locked; |
8451 | goto fail_locked; |
8292 | // } |
8452 | } |
8293 | // addr = obj->phys_handle->busaddr; |
8453 | addr = obj->phys_handle->busaddr; |
8294 | } |
8454 | } |
8295 | - | ||
8296 | if (IS_GEN2(dev)) |
- | |
8297 | I915_WRITE(CURSIZE, (height << 12) | width); |
- | |
8298 | 8455 | ||
8299 | finish: |
8456 | finish: |
8300 | if (intel_crtc->cursor_bo) { |
8457 | if (intel_crtc->cursor_bo) { |
8301 | if (!INTEL_INFO(dev)->cursor_needs_physical) |
8458 | if (!INTEL_INFO(dev)->cursor_needs_physical) |
8302 | i915_gem_object_unpin_from_display_plane(intel_crtc->cursor_bo); |
8459 | i915_gem_object_unpin_from_display_plane(intel_crtc->cursor_bo); |
8303 | } |
8460 | } |
8304 | 8461 | ||
8305 | i915_gem_track_fb(intel_crtc->cursor_bo, obj, |
8462 | i915_gem_track_fb(intel_crtc->cursor_bo, obj, |
8306 | INTEL_FRONTBUFFER_CURSOR(pipe)); |
8463 | INTEL_FRONTBUFFER_CURSOR(pipe)); |
8307 | mutex_unlock(&dev->struct_mutex); |
8464 | mutex_unlock(&dev->struct_mutex); |
8308 | 8465 | ||
8309 | old_width = intel_crtc->cursor_width; |
8466 | old_width = intel_crtc->cursor_width; |
8310 | 8467 | ||
8311 | intel_crtc->cursor_addr = addr; |
8468 | intel_crtc->cursor_addr = addr; |
8312 | intel_crtc->cursor_bo = obj; |
8469 | intel_crtc->cursor_bo = obj; |
8313 | intel_crtc->cursor_width = width; |
8470 | intel_crtc->cursor_width = width; |
8314 | intel_crtc->cursor_height = height; |
8471 | intel_crtc->cursor_height = height; |
8315 | 8472 | ||
8316 | if (intel_crtc->active) { |
8473 | if (intel_crtc->active) { |
8317 | if (old_width != width) |
8474 | if (old_width != width) |
8318 | intel_update_watermarks(crtc); |
8475 | intel_update_watermarks(crtc); |
8319 | intel_crtc_update_cursor(crtc, intel_crtc->cursor_bo != NULL); |
8476 | intel_crtc_update_cursor(crtc, intel_crtc->cursor_bo != NULL); |
- | 8477 | ||
- | 8478 | intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_CURSOR(pipe)); |
|
8320 | } |
8479 | } |
8321 | 8480 | ||
8322 | return 0; |
8481 | return 0; |
8323 | fail_unpin: |
8482 | fail_unpin: |
8324 | i915_gem_object_unpin_from_display_plane(obj); |
8483 | i915_gem_object_unpin_from_display_plane(obj); |
8325 | fail_locked: |
8484 | fail_locked: |
8326 | mutex_unlock(&dev->struct_mutex); |
8485 | mutex_unlock(&dev->struct_mutex); |
8327 | fail: |
- | |
8328 | drm_gem_object_unreference_unlocked(&obj->base); |
- | |
8329 | return ret; |
8486 | return ret; |
8330 | } |
8487 | } |
8331 | 8488 | ||
8332 | static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, |
8489 | static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, |
8333 | u16 *blue, uint32_t start, uint32_t size) |
8490 | u16 *blue, uint32_t start, uint32_t size) |
8334 | { |
8491 | { |
8335 | int end = (start + size > 256) ? 256 : start + size, i; |
8492 | int end = (start + size > 256) ? 256 : start + size, i; |
8336 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8493 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8337 | 8494 | ||
8338 | for (i = start; i < end; i++) { |
8495 | for (i = start; i < end; i++) { |
8339 | intel_crtc->lut_r[i] = red[i] >> 8; |
8496 | intel_crtc->lut_r[i] = red[i] >> 8; |
8340 | intel_crtc->lut_g[i] = green[i] >> 8; |
8497 | intel_crtc->lut_g[i] = green[i] >> 8; |
8341 | intel_crtc->lut_b[i] = blue[i] >> 8; |
8498 | intel_crtc->lut_b[i] = blue[i] >> 8; |
8342 | } |
8499 | } |
8343 | 8500 | ||
8344 | intel_crtc_load_lut(crtc); |
8501 | intel_crtc_load_lut(crtc); |
8345 | } |
8502 | } |
8346 | 8503 | ||
8347 | /* VESA 640x480x72Hz mode to set on the pipe */ |
8504 | /* VESA 640x480x72Hz mode to set on the pipe */ |
8348 | static struct drm_display_mode load_detect_mode = { |
8505 | static struct drm_display_mode load_detect_mode = { |
8349 | DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 31500, 640, 664, |
8506 | DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 31500, 640, 664, |
8350 | 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
8507 | 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
8351 | }; |
8508 | }; |
8352 | 8509 | ||
8353 | struct drm_framebuffer * |
8510 | struct drm_framebuffer * |
8354 | __intel_framebuffer_create(struct drm_device *dev, |
8511 | __intel_framebuffer_create(struct drm_device *dev, |
8355 | struct drm_mode_fb_cmd2 *mode_cmd, |
8512 | struct drm_mode_fb_cmd2 *mode_cmd, |
8356 | struct drm_i915_gem_object *obj) |
8513 | struct drm_i915_gem_object *obj) |
8357 | { |
8514 | { |
8358 | struct intel_framebuffer *intel_fb; |
8515 | struct intel_framebuffer *intel_fb; |
8359 | int ret; |
8516 | int ret; |
8360 | 8517 | ||
8361 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
8518 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
8362 | if (!intel_fb) { |
8519 | if (!intel_fb) { |
8363 | drm_gem_object_unreference_unlocked(&obj->base); |
8520 | drm_gem_object_unreference(&obj->base); |
8364 | return ERR_PTR(-ENOMEM); |
8521 | return ERR_PTR(-ENOMEM); |
8365 | } |
8522 | } |
8366 | 8523 | ||
8367 | ret = intel_framebuffer_init(dev, intel_fb, mode_cmd, obj); |
8524 | ret = intel_framebuffer_init(dev, intel_fb, mode_cmd, obj); |
8368 | if (ret) |
8525 | if (ret) |
8369 | goto err; |
8526 | goto err; |
8370 | 8527 | ||
8371 | return &intel_fb->base; |
8528 | return &intel_fb->base; |
8372 | err: |
8529 | err: |
8373 | drm_gem_object_unreference_unlocked(&obj->base); |
8530 | drm_gem_object_unreference(&obj->base); |
8374 | kfree(intel_fb); |
8531 | kfree(intel_fb); |
8375 | 8532 | ||
8376 | return ERR_PTR(ret); |
8533 | return ERR_PTR(ret); |
8377 | } |
8534 | } |
8378 | 8535 | ||
8379 | static struct drm_framebuffer * |
8536 | static struct drm_framebuffer * |
8380 | intel_framebuffer_create(struct drm_device *dev, |
8537 | intel_framebuffer_create(struct drm_device *dev, |
8381 | struct drm_mode_fb_cmd2 *mode_cmd, |
8538 | struct drm_mode_fb_cmd2 *mode_cmd, |
8382 | struct drm_i915_gem_object *obj) |
8539 | struct drm_i915_gem_object *obj) |
8383 | { |
8540 | { |
8384 | struct drm_framebuffer *fb; |
8541 | struct drm_framebuffer *fb; |
8385 | int ret; |
8542 | int ret; |
8386 | 8543 | ||
8387 | ret = i915_mutex_lock_interruptible(dev); |
8544 | ret = i915_mutex_lock_interruptible(dev); |
8388 | if (ret) |
8545 | if (ret) |
8389 | return ERR_PTR(ret); |
8546 | return ERR_PTR(ret); |
8390 | fb = __intel_framebuffer_create(dev, mode_cmd, obj); |
8547 | fb = __intel_framebuffer_create(dev, mode_cmd, obj); |
8391 | mutex_unlock(&dev->struct_mutex); |
8548 | mutex_unlock(&dev->struct_mutex); |
8392 | 8549 | ||
8393 | return fb; |
8550 | return fb; |
8394 | } |
8551 | } |
8395 | 8552 | ||
8396 | static u32 |
8553 | static u32 |
8397 | intel_framebuffer_pitch_for_width(int width, int bpp) |
8554 | intel_framebuffer_pitch_for_width(int width, int bpp) |
8398 | { |
8555 | { |
8399 | u32 pitch = DIV_ROUND_UP(width * bpp, 8); |
8556 | u32 pitch = DIV_ROUND_UP(width * bpp, 8); |
8400 | return ALIGN(pitch, 64); |
8557 | return ALIGN(pitch, 64); |
8401 | } |
8558 | } |
8402 | 8559 | ||
8403 | static u32 |
8560 | static u32 |
8404 | intel_framebuffer_size_for_mode(struct drm_display_mode *mode, int bpp) |
8561 | intel_framebuffer_size_for_mode(struct drm_display_mode *mode, int bpp) |
8405 | { |
8562 | { |
8406 | u32 pitch = intel_framebuffer_pitch_for_width(mode->hdisplay, bpp); |
8563 | u32 pitch = intel_framebuffer_pitch_for_width(mode->hdisplay, bpp); |
8407 | return PAGE_ALIGN(pitch * mode->vdisplay); |
8564 | return PAGE_ALIGN(pitch * mode->vdisplay); |
8408 | } |
8565 | } |
8409 | 8566 | ||
8410 | static struct drm_framebuffer * |
8567 | static struct drm_framebuffer * |
8411 | intel_framebuffer_create_for_mode(struct drm_device *dev, |
8568 | intel_framebuffer_create_for_mode(struct drm_device *dev, |
8412 | struct drm_display_mode *mode, |
8569 | struct drm_display_mode *mode, |
8413 | int depth, int bpp) |
8570 | int depth, int bpp) |
8414 | { |
8571 | { |
8415 | struct drm_i915_gem_object *obj; |
8572 | struct drm_i915_gem_object *obj; |
8416 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; |
8573 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; |
8417 | 8574 | ||
8418 | obj = i915_gem_alloc_object(dev, |
8575 | obj = i915_gem_alloc_object(dev, |
8419 | intel_framebuffer_size_for_mode(mode, bpp)); |
8576 | intel_framebuffer_size_for_mode(mode, bpp)); |
8420 | if (obj == NULL) |
8577 | if (obj == NULL) |
8421 | return ERR_PTR(-ENOMEM); |
8578 | return ERR_PTR(-ENOMEM); |
8422 | 8579 | ||
8423 | mode_cmd.width = mode->hdisplay; |
8580 | mode_cmd.width = mode->hdisplay; |
8424 | mode_cmd.height = mode->vdisplay; |
8581 | mode_cmd.height = mode->vdisplay; |
8425 | mode_cmd.pitches[0] = intel_framebuffer_pitch_for_width(mode_cmd.width, |
8582 | mode_cmd.pitches[0] = intel_framebuffer_pitch_for_width(mode_cmd.width, |
8426 | bpp); |
8583 | bpp); |
8427 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); |
8584 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); |
8428 | 8585 | ||
8429 | return intel_framebuffer_create(dev, &mode_cmd, obj); |
8586 | return intel_framebuffer_create(dev, &mode_cmd, obj); |
8430 | } |
8587 | } |
8431 | 8588 | ||
8432 | static struct drm_framebuffer * |
8589 | static struct drm_framebuffer * |
8433 | mode_fits_in_fbdev(struct drm_device *dev, |
8590 | mode_fits_in_fbdev(struct drm_device *dev, |
8434 | struct drm_display_mode *mode) |
8591 | struct drm_display_mode *mode) |
8435 | { |
8592 | { |
8436 | #ifdef CONFIG_DRM_I915_FBDEV |
8593 | #ifdef CONFIG_DRM_I915_FBDEV |
8437 | struct drm_i915_private *dev_priv = dev->dev_private; |
8594 | struct drm_i915_private *dev_priv = dev->dev_private; |
8438 | struct drm_i915_gem_object *obj; |
8595 | struct drm_i915_gem_object *obj; |
8439 | struct drm_framebuffer *fb; |
8596 | struct drm_framebuffer *fb; |
8440 | 8597 | ||
8441 | if (!dev_priv->fbdev) |
8598 | if (!dev_priv->fbdev) |
8442 | return NULL; |
8599 | return NULL; |
8443 | 8600 | ||
8444 | if (!dev_priv->fbdev->fb) |
8601 | if (!dev_priv->fbdev->fb) |
8445 | return NULL; |
8602 | return NULL; |
8446 | 8603 | ||
8447 | obj = dev_priv->fbdev->fb->obj; |
8604 | obj = dev_priv->fbdev->fb->obj; |
8448 | BUG_ON(!obj); |
8605 | BUG_ON(!obj); |
8449 | 8606 | ||
8450 | fb = &dev_priv->fbdev->fb->base; |
8607 | fb = &dev_priv->fbdev->fb->base; |
8451 | if (fb->pitches[0] < intel_framebuffer_pitch_for_width(mode->hdisplay, |
8608 | if (fb->pitches[0] < intel_framebuffer_pitch_for_width(mode->hdisplay, |
8452 | fb->bits_per_pixel)) |
8609 | fb->bits_per_pixel)) |
8453 | return NULL; |
8610 | return NULL; |
8454 | 8611 | ||
8455 | if (obj->base.size < mode->vdisplay * fb->pitches[0]) |
8612 | if (obj->base.size < mode->vdisplay * fb->pitches[0]) |
8456 | return NULL; |
8613 | return NULL; |
8457 | 8614 | ||
8458 | return fb; |
8615 | return fb; |
8459 | #else |
8616 | #else |
8460 | return NULL; |
8617 | return NULL; |
8461 | #endif |
8618 | #endif |
8462 | } |
8619 | } |
8463 | 8620 | ||
8464 | bool intel_get_load_detect_pipe(struct drm_connector *connector, |
8621 | bool intel_get_load_detect_pipe(struct drm_connector *connector, |
8465 | struct drm_display_mode *mode, |
8622 | struct drm_display_mode *mode, |
8466 | struct intel_load_detect_pipe *old, |
8623 | struct intel_load_detect_pipe *old, |
8467 | struct drm_modeset_acquire_ctx *ctx) |
8624 | struct drm_modeset_acquire_ctx *ctx) |
8468 | { |
8625 | { |
8469 | struct intel_crtc *intel_crtc; |
8626 | struct intel_crtc *intel_crtc; |
8470 | struct intel_encoder *intel_encoder = |
8627 | struct intel_encoder *intel_encoder = |
8471 | intel_attached_encoder(connector); |
8628 | intel_attached_encoder(connector); |
8472 | struct drm_crtc *possible_crtc; |
8629 | struct drm_crtc *possible_crtc; |
8473 | struct drm_encoder *encoder = &intel_encoder->base; |
8630 | struct drm_encoder *encoder = &intel_encoder->base; |
8474 | struct drm_crtc *crtc = NULL; |
8631 | struct drm_crtc *crtc = NULL; |
8475 | struct drm_device *dev = encoder->dev; |
8632 | struct drm_device *dev = encoder->dev; |
8476 | struct drm_framebuffer *fb; |
8633 | struct drm_framebuffer *fb; |
8477 | struct drm_mode_config *config = &dev->mode_config; |
8634 | struct drm_mode_config *config = &dev->mode_config; |
8478 | int ret, i = -1; |
8635 | int ret, i = -1; |
8479 | 8636 | ||
8480 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
8637 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
8481 | connector->base.id, connector->name, |
8638 | connector->base.id, connector->name, |
8482 | encoder->base.id, encoder->name); |
8639 | encoder->base.id, encoder->name); |
8483 | 8640 | ||
8484 | retry: |
8641 | retry: |
8485 | ret = drm_modeset_lock(&config->connection_mutex, ctx); |
8642 | ret = drm_modeset_lock(&config->connection_mutex, ctx); |
8486 | if (ret) |
8643 | if (ret) |
8487 | goto fail_unlock; |
8644 | goto fail_unlock; |
8488 | 8645 | ||
8489 | /* |
8646 | /* |
8490 | * Algorithm gets a little messy: |
8647 | * Algorithm gets a little messy: |
8491 | * |
8648 | * |
8492 | * - if the connector already has an assigned crtc, use it (but make |
8649 | * - if the connector already has an assigned crtc, use it (but make |
8493 | * sure it's on first) |
8650 | * sure it's on first) |
8494 | * |
8651 | * |
8495 | * - try to find the first unused crtc that can drive this connector, |
8652 | * - try to find the first unused crtc that can drive this connector, |
8496 | * and use that if we find one |
8653 | * and use that if we find one |
8497 | */ |
8654 | */ |
8498 | 8655 | ||
8499 | /* See if we already have a CRTC for this connector */ |
8656 | /* See if we already have a CRTC for this connector */ |
8500 | if (encoder->crtc) { |
8657 | if (encoder->crtc) { |
8501 | crtc = encoder->crtc; |
8658 | crtc = encoder->crtc; |
8502 | 8659 | ||
8503 | ret = drm_modeset_lock(&crtc->mutex, ctx); |
8660 | ret = drm_modeset_lock(&crtc->mutex, ctx); |
8504 | if (ret) |
8661 | if (ret) |
8505 | goto fail_unlock; |
8662 | goto fail_unlock; |
- | 8663 | ret = drm_modeset_lock(&crtc->primary->mutex, ctx); |
|
- | 8664 | if (ret) |
|
- | 8665 | goto fail_unlock; |
|
8506 | 8666 | ||
8507 | old->dpms_mode = connector->dpms; |
8667 | old->dpms_mode = connector->dpms; |
8508 | old->load_detect_temp = false; |
8668 | old->load_detect_temp = false; |
8509 | 8669 | ||
8510 | /* Make sure the crtc and connector are running */ |
8670 | /* Make sure the crtc and connector are running */ |
8511 | if (connector->dpms != DRM_MODE_DPMS_ON) |
8671 | if (connector->dpms != DRM_MODE_DPMS_ON) |
8512 | connector->funcs->dpms(connector, DRM_MODE_DPMS_ON); |
8672 | connector->funcs->dpms(connector, DRM_MODE_DPMS_ON); |
8513 | 8673 | ||
8514 | return true; |
8674 | return true; |
8515 | } |
8675 | } |
8516 | 8676 | ||
8517 | /* Find an unused one (if possible) */ |
8677 | /* Find an unused one (if possible) */ |
8518 | for_each_crtc(dev, possible_crtc) { |
8678 | for_each_crtc(dev, possible_crtc) { |
8519 | i++; |
8679 | i++; |
8520 | if (!(encoder->possible_crtcs & (1 << i))) |
8680 | if (!(encoder->possible_crtcs & (1 << i))) |
8521 | continue; |
8681 | continue; |
8522 | if (possible_crtc->enabled) |
8682 | if (possible_crtc->enabled) |
8523 | continue; |
8683 | continue; |
8524 | /* This can occur when applying the pipe A quirk on resume. */ |
8684 | /* This can occur when applying the pipe A quirk on resume. */ |
8525 | if (to_intel_crtc(possible_crtc)->new_enabled) |
8685 | if (to_intel_crtc(possible_crtc)->new_enabled) |
8526 | continue; |
8686 | continue; |
8527 | 8687 | ||
8528 | crtc = possible_crtc; |
8688 | crtc = possible_crtc; |
8529 | break; |
8689 | break; |
8530 | } |
8690 | } |
8531 | 8691 | ||
8532 | /* |
8692 | /* |
8533 | * If we didn't find an unused CRTC, don't use any. |
8693 | * If we didn't find an unused CRTC, don't use any. |
8534 | */ |
8694 | */ |
8535 | if (!crtc) { |
8695 | if (!crtc) { |
8536 | DRM_DEBUG_KMS("no pipe available for load-detect\n"); |
8696 | DRM_DEBUG_KMS("no pipe available for load-detect\n"); |
8537 | goto fail_unlock; |
8697 | goto fail_unlock; |
8538 | } |
8698 | } |
8539 | 8699 | ||
8540 | ret = drm_modeset_lock(&crtc->mutex, ctx); |
8700 | ret = drm_modeset_lock(&crtc->mutex, ctx); |
8541 | if (ret) |
8701 | if (ret) |
8542 | goto fail_unlock; |
8702 | goto fail_unlock; |
- | 8703 | ret = drm_modeset_lock(&crtc->primary->mutex, ctx); |
|
- | 8704 | if (ret) |
|
- | 8705 | goto fail_unlock; |
|
8543 | intel_encoder->new_crtc = to_intel_crtc(crtc); |
8706 | intel_encoder->new_crtc = to_intel_crtc(crtc); |
8544 | to_intel_connector(connector)->new_encoder = intel_encoder; |
8707 | to_intel_connector(connector)->new_encoder = intel_encoder; |
8545 | 8708 | ||
8546 | intel_crtc = to_intel_crtc(crtc); |
8709 | intel_crtc = to_intel_crtc(crtc); |
8547 | intel_crtc->new_enabled = true; |
8710 | intel_crtc->new_enabled = true; |
8548 | intel_crtc->new_config = &intel_crtc->config; |
8711 | intel_crtc->new_config = &intel_crtc->config; |
8549 | old->dpms_mode = connector->dpms; |
8712 | old->dpms_mode = connector->dpms; |
8550 | old->load_detect_temp = true; |
8713 | old->load_detect_temp = true; |
8551 | old->release_fb = NULL; |
8714 | old->release_fb = NULL; |
8552 | 8715 | ||
8553 | if (!mode) |
8716 | if (!mode) |
8554 | mode = &load_detect_mode; |
8717 | mode = &load_detect_mode; |
8555 | 8718 | ||
8556 | /* We need a framebuffer large enough to accommodate all accesses |
8719 | /* We need a framebuffer large enough to accommodate all accesses |
8557 | * that the plane may generate whilst we perform load detection. |
8720 | * that the plane may generate whilst we perform load detection. |
8558 | * We can not rely on the fbcon either being present (we get called |
8721 | * We can not rely on the fbcon either being present (we get called |
8559 | * during its initialisation to detect all boot displays, or it may |
8722 | * during its initialisation to detect all boot displays, or it may |
8560 | * not even exist) or that it is large enough to satisfy the |
8723 | * not even exist) or that it is large enough to satisfy the |
8561 | * requested mode. |
8724 | * requested mode. |
8562 | */ |
8725 | */ |
8563 | fb = mode_fits_in_fbdev(dev, mode); |
8726 | fb = mode_fits_in_fbdev(dev, mode); |
8564 | if (fb == NULL) { |
8727 | if (fb == NULL) { |
8565 | DRM_DEBUG_KMS("creating tmp fb for load-detection\n"); |
8728 | DRM_DEBUG_KMS("creating tmp fb for load-detection\n"); |
8566 | fb = intel_framebuffer_create_for_mode(dev, mode, 24, 32); |
8729 | fb = intel_framebuffer_create_for_mode(dev, mode, 24, 32); |
8567 | old->release_fb = fb; |
8730 | old->release_fb = fb; |
8568 | } else |
8731 | } else |
8569 | DRM_DEBUG_KMS("reusing fbdev for load-detection framebuffer\n"); |
8732 | DRM_DEBUG_KMS("reusing fbdev for load-detection framebuffer\n"); |
8570 | if (IS_ERR(fb)) { |
8733 | if (IS_ERR(fb)) { |
8571 | DRM_DEBUG_KMS("failed to allocate framebuffer for load-detection\n"); |
8734 | DRM_DEBUG_KMS("failed to allocate framebuffer for load-detection\n"); |
8572 | goto fail; |
8735 | goto fail; |
8573 | } |
8736 | } |
8574 | 8737 | ||
8575 | if (intel_set_mode(crtc, mode, 0, 0, fb)) { |
8738 | if (intel_set_mode(crtc, mode, 0, 0, fb)) { |
8576 | DRM_DEBUG_KMS("failed to set mode on load-detect pipe\n"); |
8739 | DRM_DEBUG_KMS("failed to set mode on load-detect pipe\n"); |
8577 | if (old->release_fb) |
8740 | if (old->release_fb) |
8578 | old->release_fb->funcs->destroy(old->release_fb); |
8741 | old->release_fb->funcs->destroy(old->release_fb); |
8579 | goto fail; |
8742 | goto fail; |
8580 | } |
8743 | } |
8581 | 8744 | ||
8582 | /* let the connector get through one full cycle before testing */ |
8745 | /* let the connector get through one full cycle before testing */ |
8583 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
8746 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
8584 | return true; |
8747 | return true; |
8585 | 8748 | ||
8586 | fail: |
8749 | fail: |
8587 | intel_crtc->new_enabled = crtc->enabled; |
8750 | intel_crtc->new_enabled = crtc->enabled; |
8588 | if (intel_crtc->new_enabled) |
8751 | if (intel_crtc->new_enabled) |
8589 | intel_crtc->new_config = &intel_crtc->config; |
8752 | intel_crtc->new_config = &intel_crtc->config; |
8590 | else |
8753 | else |
8591 | intel_crtc->new_config = NULL; |
8754 | intel_crtc->new_config = NULL; |
8592 | fail_unlock: |
8755 | fail_unlock: |
8593 | if (ret == -EDEADLK) { |
8756 | if (ret == -EDEADLK) { |
8594 | drm_modeset_backoff(ctx); |
8757 | drm_modeset_backoff(ctx); |
8595 | goto retry; |
8758 | goto retry; |
8596 | } |
8759 | } |
8597 | 8760 | ||
8598 | return false; |
8761 | return false; |
8599 | } |
8762 | } |
8600 | 8763 | ||
8601 | void intel_release_load_detect_pipe(struct drm_connector *connector, |
8764 | void intel_release_load_detect_pipe(struct drm_connector *connector, |
8602 | struct intel_load_detect_pipe *old) |
8765 | struct intel_load_detect_pipe *old) |
8603 | { |
8766 | { |
8604 | struct intel_encoder *intel_encoder = |
8767 | struct intel_encoder *intel_encoder = |
8605 | intel_attached_encoder(connector); |
8768 | intel_attached_encoder(connector); |
8606 | struct drm_encoder *encoder = &intel_encoder->base; |
8769 | struct drm_encoder *encoder = &intel_encoder->base; |
8607 | struct drm_crtc *crtc = encoder->crtc; |
8770 | struct drm_crtc *crtc = encoder->crtc; |
8608 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8771 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8609 | 8772 | ||
8610 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
8773 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
8611 | connector->base.id, connector->name, |
8774 | connector->base.id, connector->name, |
8612 | encoder->base.id, encoder->name); |
8775 | encoder->base.id, encoder->name); |
8613 | 8776 | ||
8614 | if (old->load_detect_temp) { |
8777 | if (old->load_detect_temp) { |
8615 | to_intel_connector(connector)->new_encoder = NULL; |
8778 | to_intel_connector(connector)->new_encoder = NULL; |
8616 | intel_encoder->new_crtc = NULL; |
8779 | intel_encoder->new_crtc = NULL; |
8617 | intel_crtc->new_enabled = false; |
8780 | intel_crtc->new_enabled = false; |
8618 | intel_crtc->new_config = NULL; |
8781 | intel_crtc->new_config = NULL; |
8619 | intel_set_mode(crtc, NULL, 0, 0, NULL); |
8782 | intel_set_mode(crtc, NULL, 0, 0, NULL); |
8620 | 8783 | ||
8621 | if (old->release_fb) { |
8784 | if (old->release_fb) { |
8622 | drm_framebuffer_unregister_private(old->release_fb); |
8785 | drm_framebuffer_unregister_private(old->release_fb); |
8623 | drm_framebuffer_unreference(old->release_fb); |
8786 | drm_framebuffer_unreference(old->release_fb); |
8624 | } |
8787 | } |
8625 | 8788 | ||
8626 | return; |
8789 | return; |
8627 | } |
8790 | } |
8628 | 8791 | ||
8629 | /* Switch crtc and encoder back off if necessary */ |
8792 | /* Switch crtc and encoder back off if necessary */ |
8630 | if (old->dpms_mode != DRM_MODE_DPMS_ON) |
8793 | if (old->dpms_mode != DRM_MODE_DPMS_ON) |
8631 | connector->funcs->dpms(connector, old->dpms_mode); |
8794 | connector->funcs->dpms(connector, old->dpms_mode); |
8632 | } |
8795 | } |
8633 | 8796 | ||
8634 | static int i9xx_pll_refclk(struct drm_device *dev, |
8797 | static int i9xx_pll_refclk(struct drm_device *dev, |
8635 | const struct intel_crtc_config *pipe_config) |
8798 | const struct intel_crtc_config *pipe_config) |
8636 | { |
8799 | { |
8637 | struct drm_i915_private *dev_priv = dev->dev_private; |
8800 | struct drm_i915_private *dev_priv = dev->dev_private; |
8638 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
8801 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
8639 | 8802 | ||
8640 | if ((dpll & PLL_REF_INPUT_MASK) == PLLB_REF_INPUT_SPREADSPECTRUMIN) |
8803 | if ((dpll & PLL_REF_INPUT_MASK) == PLLB_REF_INPUT_SPREADSPECTRUMIN) |
8641 | return dev_priv->vbt.lvds_ssc_freq; |
8804 | return dev_priv->vbt.lvds_ssc_freq; |
8642 | else if (HAS_PCH_SPLIT(dev)) |
8805 | else if (HAS_PCH_SPLIT(dev)) |
8643 | return 120000; |
8806 | return 120000; |
8644 | else if (!IS_GEN2(dev)) |
8807 | else if (!IS_GEN2(dev)) |
8645 | return 96000; |
8808 | return 96000; |
8646 | else |
8809 | else |
8647 | return 48000; |
8810 | return 48000; |
8648 | } |
8811 | } |
8649 | 8812 | ||
8650 | /* Returns the clock of the currently programmed mode of the given pipe. */ |
8813 | /* Returns the clock of the currently programmed mode of the given pipe. */ |
8651 | static void i9xx_crtc_clock_get(struct intel_crtc *crtc, |
8814 | static void i9xx_crtc_clock_get(struct intel_crtc *crtc, |
8652 | struct intel_crtc_config *pipe_config) |
8815 | struct intel_crtc_config *pipe_config) |
8653 | { |
8816 | { |
8654 | struct drm_device *dev = crtc->base.dev; |
8817 | struct drm_device *dev = crtc->base.dev; |
8655 | struct drm_i915_private *dev_priv = dev->dev_private; |
8818 | struct drm_i915_private *dev_priv = dev->dev_private; |
8656 | int pipe = pipe_config->cpu_transcoder; |
8819 | int pipe = pipe_config->cpu_transcoder; |
8657 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
8820 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
8658 | u32 fp; |
8821 | u32 fp; |
8659 | intel_clock_t clock; |
8822 | intel_clock_t clock; |
8660 | int refclk = i9xx_pll_refclk(dev, pipe_config); |
8823 | int refclk = i9xx_pll_refclk(dev, pipe_config); |
8661 | 8824 | ||
8662 | if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) |
8825 | if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) |
8663 | fp = pipe_config->dpll_hw_state.fp0; |
8826 | fp = pipe_config->dpll_hw_state.fp0; |
8664 | else |
8827 | else |
8665 | fp = pipe_config->dpll_hw_state.fp1; |
8828 | fp = pipe_config->dpll_hw_state.fp1; |
8666 | 8829 | ||
8667 | clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT; |
8830 | clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT; |
8668 | if (IS_PINEVIEW(dev)) { |
8831 | if (IS_PINEVIEW(dev)) { |
8669 | clock.n = ffs((fp & FP_N_PINEVIEW_DIV_MASK) >> FP_N_DIV_SHIFT) - 1; |
8832 | clock.n = ffs((fp & FP_N_PINEVIEW_DIV_MASK) >> FP_N_DIV_SHIFT) - 1; |
8670 | clock.m2 = (fp & FP_M2_PINEVIEW_DIV_MASK) >> FP_M2_DIV_SHIFT; |
8833 | clock.m2 = (fp & FP_M2_PINEVIEW_DIV_MASK) >> FP_M2_DIV_SHIFT; |
8671 | } else { |
8834 | } else { |
8672 | clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT; |
8835 | clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT; |
8673 | clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT; |
8836 | clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT; |
8674 | } |
8837 | } |
8675 | 8838 | ||
8676 | if (!IS_GEN2(dev)) { |
8839 | if (!IS_GEN2(dev)) { |
8677 | if (IS_PINEVIEW(dev)) |
8840 | if (IS_PINEVIEW(dev)) |
8678 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_PINEVIEW) >> |
8841 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_PINEVIEW) >> |
8679 | DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW); |
8842 | DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW); |
8680 | else |
8843 | else |
8681 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >> |
8844 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >> |
8682 | DPLL_FPA01_P1_POST_DIV_SHIFT); |
8845 | DPLL_FPA01_P1_POST_DIV_SHIFT); |
8683 | 8846 | ||
8684 | switch (dpll & DPLL_MODE_MASK) { |
8847 | switch (dpll & DPLL_MODE_MASK) { |
8685 | case DPLLB_MODE_DAC_SERIAL: |
8848 | case DPLLB_MODE_DAC_SERIAL: |
8686 | clock.p2 = dpll & DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 ? |
8849 | clock.p2 = dpll & DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 ? |
8687 | 5 : 10; |
8850 | 5 : 10; |
8688 | break; |
8851 | break; |
8689 | case DPLLB_MODE_LVDS: |
8852 | case DPLLB_MODE_LVDS: |
8690 | clock.p2 = dpll & DPLLB_LVDS_P2_CLOCK_DIV_7 ? |
8853 | clock.p2 = dpll & DPLLB_LVDS_P2_CLOCK_DIV_7 ? |
8691 | 7 : 14; |
8854 | 7 : 14; |
8692 | break; |
8855 | break; |
8693 | default: |
8856 | default: |
8694 | DRM_DEBUG_KMS("Unknown DPLL mode %08x in programmed " |
8857 | DRM_DEBUG_KMS("Unknown DPLL mode %08x in programmed " |
8695 | "mode\n", (int)(dpll & DPLL_MODE_MASK)); |
8858 | "mode\n", (int)(dpll & DPLL_MODE_MASK)); |
8696 | return; |
8859 | return; |
8697 | } |
8860 | } |
8698 | 8861 | ||
8699 | if (IS_PINEVIEW(dev)) |
8862 | if (IS_PINEVIEW(dev)) |
8700 | pineview_clock(refclk, &clock); |
8863 | pineview_clock(refclk, &clock); |
8701 | else |
8864 | else |
8702 | i9xx_clock(refclk, &clock); |
8865 | i9xx_clock(refclk, &clock); |
8703 | } else { |
8866 | } else { |
8704 | u32 lvds = IS_I830(dev) ? 0 : I915_READ(LVDS); |
8867 | u32 lvds = IS_I830(dev) ? 0 : I915_READ(LVDS); |
8705 | bool is_lvds = (pipe == 1) && (lvds & LVDS_PORT_EN); |
8868 | bool is_lvds = (pipe == 1) && (lvds & LVDS_PORT_EN); |
8706 | 8869 | ||
8707 | if (is_lvds) { |
8870 | if (is_lvds) { |
8708 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> |
8871 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> |
8709 | DPLL_FPA01_P1_POST_DIV_SHIFT); |
8872 | DPLL_FPA01_P1_POST_DIV_SHIFT); |
8710 | 8873 | ||
8711 | if (lvds & LVDS_CLKB_POWER_UP) |
8874 | if (lvds & LVDS_CLKB_POWER_UP) |
8712 | clock.p2 = 7; |
8875 | clock.p2 = 7; |
8713 | else |
8876 | else |
8714 | clock.p2 = 14; |
8877 | clock.p2 = 14; |
8715 | } else { |
8878 | } else { |
8716 | if (dpll & PLL_P1_DIVIDE_BY_TWO) |
8879 | if (dpll & PLL_P1_DIVIDE_BY_TWO) |
8717 | clock.p1 = 2; |
8880 | clock.p1 = 2; |
8718 | else { |
8881 | else { |
8719 | clock.p1 = ((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830) >> |
8882 | clock.p1 = ((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830) >> |
8720 | DPLL_FPA01_P1_POST_DIV_SHIFT) + 2; |
8883 | DPLL_FPA01_P1_POST_DIV_SHIFT) + 2; |
8721 | } |
8884 | } |
8722 | if (dpll & PLL_P2_DIVIDE_BY_4) |
8885 | if (dpll & PLL_P2_DIVIDE_BY_4) |
8723 | clock.p2 = 4; |
8886 | clock.p2 = 4; |
8724 | else |
8887 | else |
8725 | clock.p2 = 2; |
8888 | clock.p2 = 2; |
8726 | } |
8889 | } |
8727 | 8890 | ||
8728 | i9xx_clock(refclk, &clock); |
8891 | i9xx_clock(refclk, &clock); |
8729 | } |
8892 | } |
8730 | 8893 | ||
8731 | /* |
8894 | /* |
8732 | * This value includes pixel_multiplier. We will use |
8895 | * This value includes pixel_multiplier. We will use |
8733 | * port_clock to compute adjusted_mode.crtc_clock in the |
8896 | * port_clock to compute adjusted_mode.crtc_clock in the |
8734 | * encoder's get_config() function. |
8897 | * encoder's get_config() function. |
8735 | */ |
8898 | */ |
8736 | pipe_config->port_clock = clock.dot; |
8899 | pipe_config->port_clock = clock.dot; |
8737 | } |
8900 | } |
8738 | 8901 | ||
8739 | int intel_dotclock_calculate(int link_freq, |
8902 | int intel_dotclock_calculate(int link_freq, |
8740 | const struct intel_link_m_n *m_n) |
8903 | const struct intel_link_m_n *m_n) |
8741 | { |
8904 | { |
8742 | /* |
8905 | /* |
8743 | * The calculation for the data clock is: |
8906 | * The calculation for the data clock is: |
8744 | * pixel_clock = ((m/n)*(link_clock * nr_lanes))/bpp |
8907 | * pixel_clock = ((m/n)*(link_clock * nr_lanes))/bpp |
8745 | * But we want to avoid losing precison if possible, so: |
8908 | * But we want to avoid losing precison if possible, so: |
8746 | * pixel_clock = ((m * link_clock * nr_lanes)/(n*bpp)) |
8909 | * pixel_clock = ((m * link_clock * nr_lanes)/(n*bpp)) |
8747 | * |
8910 | * |
8748 | * and the link clock is simpler: |
8911 | * and the link clock is simpler: |
8749 | * link_clock = (m * link_clock) / n |
8912 | * link_clock = (m * link_clock) / n |
8750 | */ |
8913 | */ |
8751 | 8914 | ||
8752 | if (!m_n->link_n) |
8915 | if (!m_n->link_n) |
8753 | return 0; |
8916 | return 0; |
8754 | 8917 | ||
8755 | return div_u64((u64)m_n->link_m * link_freq, m_n->link_n); |
8918 | return div_u64((u64)m_n->link_m * link_freq, m_n->link_n); |
8756 | } |
8919 | } |
8757 | 8920 | ||
8758 | static void ironlake_pch_clock_get(struct intel_crtc *crtc, |
8921 | static void ironlake_pch_clock_get(struct intel_crtc *crtc, |
8759 | struct intel_crtc_config *pipe_config) |
8922 | struct intel_crtc_config *pipe_config) |
8760 | { |
8923 | { |
8761 | struct drm_device *dev = crtc->base.dev; |
8924 | struct drm_device *dev = crtc->base.dev; |
8762 | 8925 | ||
8763 | /* read out port_clock from the DPLL */ |
8926 | /* read out port_clock from the DPLL */ |
8764 | i9xx_crtc_clock_get(crtc, pipe_config); |
8927 | i9xx_crtc_clock_get(crtc, pipe_config); |
8765 | 8928 | ||
8766 | /* |
8929 | /* |
8767 | * This value does not include pixel_multiplier. |
8930 | * This value does not include pixel_multiplier. |
8768 | * We will check that port_clock and adjusted_mode.crtc_clock |
8931 | * We will check that port_clock and adjusted_mode.crtc_clock |
8769 | * agree once we know their relationship in the encoder's |
8932 | * agree once we know their relationship in the encoder's |
8770 | * get_config() function. |
8933 | * get_config() function. |
8771 | */ |
8934 | */ |
8772 | pipe_config->adjusted_mode.crtc_clock = |
8935 | pipe_config->adjusted_mode.crtc_clock = |
8773 | intel_dotclock_calculate(intel_fdi_link_freq(dev) * 10000, |
8936 | intel_dotclock_calculate(intel_fdi_link_freq(dev) * 10000, |
8774 | &pipe_config->fdi_m_n); |
8937 | &pipe_config->fdi_m_n); |
8775 | } |
8938 | } |
8776 | 8939 | ||
8777 | /** Returns the currently programmed mode of the given pipe. */ |
8940 | /** Returns the currently programmed mode of the given pipe. */ |
8778 | struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, |
8941 | struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, |
8779 | struct drm_crtc *crtc) |
8942 | struct drm_crtc *crtc) |
8780 | { |
8943 | { |
8781 | struct drm_i915_private *dev_priv = dev->dev_private; |
8944 | struct drm_i915_private *dev_priv = dev->dev_private; |
8782 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8945 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8783 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
8946 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
8784 | struct drm_display_mode *mode; |
8947 | struct drm_display_mode *mode; |
8785 | struct intel_crtc_config pipe_config; |
8948 | struct intel_crtc_config pipe_config; |
8786 | int htot = I915_READ(HTOTAL(cpu_transcoder)); |
8949 | int htot = I915_READ(HTOTAL(cpu_transcoder)); |
8787 | int hsync = I915_READ(HSYNC(cpu_transcoder)); |
8950 | int hsync = I915_READ(HSYNC(cpu_transcoder)); |
8788 | int vtot = I915_READ(VTOTAL(cpu_transcoder)); |
8951 | int vtot = I915_READ(VTOTAL(cpu_transcoder)); |
8789 | int vsync = I915_READ(VSYNC(cpu_transcoder)); |
8952 | int vsync = I915_READ(VSYNC(cpu_transcoder)); |
8790 | enum pipe pipe = intel_crtc->pipe; |
8953 | enum pipe pipe = intel_crtc->pipe; |
8791 | 8954 | ||
8792 | mode = kzalloc(sizeof(*mode), GFP_KERNEL); |
8955 | mode = kzalloc(sizeof(*mode), GFP_KERNEL); |
8793 | if (!mode) |
8956 | if (!mode) |
8794 | return NULL; |
8957 | return NULL; |
8795 | 8958 | ||
8796 | /* |
8959 | /* |
8797 | * Construct a pipe_config sufficient for getting the clock info |
8960 | * Construct a pipe_config sufficient for getting the clock info |
8798 | * back out of crtc_clock_get. |
8961 | * back out of crtc_clock_get. |
8799 | * |
8962 | * |
8800 | * Note, if LVDS ever uses a non-1 pixel multiplier, we'll need |
8963 | * Note, if LVDS ever uses a non-1 pixel multiplier, we'll need |
8801 | * to use a real value here instead. |
8964 | * to use a real value here instead. |
8802 | */ |
8965 | */ |
8803 | pipe_config.cpu_transcoder = (enum transcoder) pipe; |
8966 | pipe_config.cpu_transcoder = (enum transcoder) pipe; |
8804 | pipe_config.pixel_multiplier = 1; |
8967 | pipe_config.pixel_multiplier = 1; |
8805 | pipe_config.dpll_hw_state.dpll = I915_READ(DPLL(pipe)); |
8968 | pipe_config.dpll_hw_state.dpll = I915_READ(DPLL(pipe)); |
8806 | pipe_config.dpll_hw_state.fp0 = I915_READ(FP0(pipe)); |
8969 | pipe_config.dpll_hw_state.fp0 = I915_READ(FP0(pipe)); |
8807 | pipe_config.dpll_hw_state.fp1 = I915_READ(FP1(pipe)); |
8970 | pipe_config.dpll_hw_state.fp1 = I915_READ(FP1(pipe)); |
8808 | i9xx_crtc_clock_get(intel_crtc, &pipe_config); |
8971 | i9xx_crtc_clock_get(intel_crtc, &pipe_config); |
8809 | 8972 | ||
8810 | mode->clock = pipe_config.port_clock / pipe_config.pixel_multiplier; |
8973 | mode->clock = pipe_config.port_clock / pipe_config.pixel_multiplier; |
8811 | mode->hdisplay = (htot & 0xffff) + 1; |
8974 | mode->hdisplay = (htot & 0xffff) + 1; |
8812 | mode->htotal = ((htot & 0xffff0000) >> 16) + 1; |
8975 | mode->htotal = ((htot & 0xffff0000) >> 16) + 1; |
8813 | mode->hsync_start = (hsync & 0xffff) + 1; |
8976 | mode->hsync_start = (hsync & 0xffff) + 1; |
8814 | mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1; |
8977 | mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1; |
8815 | mode->vdisplay = (vtot & 0xffff) + 1; |
8978 | mode->vdisplay = (vtot & 0xffff) + 1; |
8816 | mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1; |
8979 | mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1; |
8817 | mode->vsync_start = (vsync & 0xffff) + 1; |
8980 | mode->vsync_start = (vsync & 0xffff) + 1; |
8818 | mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1; |
8981 | mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1; |
8819 | 8982 | ||
8820 | drm_mode_set_name(mode); |
8983 | drm_mode_set_name(mode); |
8821 | 8984 | ||
8822 | return mode; |
8985 | return mode; |
8823 | } |
8986 | } |
8824 | - | ||
8825 | static void intel_increase_pllclock(struct drm_device *dev, |
- | |
8826 | enum pipe pipe) |
- | |
8827 | { |
- | |
8828 | struct drm_i915_private *dev_priv = dev->dev_private; |
- | |
8829 | int dpll_reg = DPLL(pipe); |
- | |
8830 | int dpll; |
- | |
8831 | - | ||
8832 | if (!HAS_GMCH_DISPLAY(dev)) |
- | |
8833 | return; |
- | |
8834 | - | ||
8835 | if (!dev_priv->lvds_downclock_avail) |
- | |
8836 | return; |
- | |
8837 | - | ||
8838 | dpll = I915_READ(dpll_reg); |
- | |
8839 | if (!HAS_PIPE_CXSR(dev) && (dpll & DISPLAY_RATE_SELECT_FPA1)) { |
- | |
8840 | DRM_DEBUG_DRIVER("upclocking LVDS\n"); |
- | |
8841 | - | ||
8842 | assert_panel_unlocked(dev_priv, pipe); |
- | |
8843 | - | ||
8844 | dpll &= ~DISPLAY_RATE_SELECT_FPA1; |
- | |
8845 | I915_WRITE(dpll_reg, dpll); |
- | |
8846 | intel_wait_for_vblank(dev, pipe); |
- | |
8847 | - | ||
8848 | dpll = I915_READ(dpll_reg); |
- | |
8849 | if (dpll & DISPLAY_RATE_SELECT_FPA1) |
- | |
8850 | DRM_DEBUG_DRIVER("failed to upclock LVDS!\n"); |
- | |
8851 | } |
- | |
8852 | } |
- | |
8853 | 8987 | ||
8854 | static void intel_decrease_pllclock(struct drm_crtc *crtc) |
8988 | static void intel_decrease_pllclock(struct drm_crtc *crtc) |
8855 | { |
8989 | { |
8856 | struct drm_device *dev = crtc->dev; |
8990 | struct drm_device *dev = crtc->dev; |
8857 | struct drm_i915_private *dev_priv = dev->dev_private; |
8991 | struct drm_i915_private *dev_priv = dev->dev_private; |
8858 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8992 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8859 | 8993 | ||
8860 | if (!HAS_GMCH_DISPLAY(dev)) |
8994 | if (!HAS_GMCH_DISPLAY(dev)) |
8861 | return; |
8995 | return; |
8862 | 8996 | ||
8863 | if (!dev_priv->lvds_downclock_avail) |
8997 | if (!dev_priv->lvds_downclock_avail) |
8864 | return; |
8998 | return; |
8865 | 8999 | ||
8866 | /* |
9000 | /* |
8867 | * Since this is called by a timer, we should never get here in |
9001 | * Since this is called by a timer, we should never get here in |
8868 | * the manual case. |
9002 | * the manual case. |
8869 | */ |
9003 | */ |
8870 | if (!HAS_PIPE_CXSR(dev) && intel_crtc->lowfreq_avail) { |
9004 | if (!HAS_PIPE_CXSR(dev) && intel_crtc->lowfreq_avail) { |
8871 | int pipe = intel_crtc->pipe; |
9005 | int pipe = intel_crtc->pipe; |
8872 | int dpll_reg = DPLL(pipe); |
9006 | int dpll_reg = DPLL(pipe); |
8873 | int dpll; |
9007 | int dpll; |
8874 | 9008 | ||
8875 | DRM_DEBUG_DRIVER("downclocking LVDS\n"); |
9009 | DRM_DEBUG_DRIVER("downclocking LVDS\n"); |
8876 | 9010 | ||
8877 | assert_panel_unlocked(dev_priv, pipe); |
9011 | assert_panel_unlocked(dev_priv, pipe); |
8878 | 9012 | ||
8879 | dpll = I915_READ(dpll_reg); |
9013 | dpll = I915_READ(dpll_reg); |
8880 | dpll |= DISPLAY_RATE_SELECT_FPA1; |
9014 | dpll |= DISPLAY_RATE_SELECT_FPA1; |
8881 | I915_WRITE(dpll_reg, dpll); |
9015 | I915_WRITE(dpll_reg, dpll); |
8882 | intel_wait_for_vblank(dev, pipe); |
9016 | intel_wait_for_vblank(dev, pipe); |
8883 | dpll = I915_READ(dpll_reg); |
9017 | dpll = I915_READ(dpll_reg); |
8884 | if (!(dpll & DISPLAY_RATE_SELECT_FPA1)) |
9018 | if (!(dpll & DISPLAY_RATE_SELECT_FPA1)) |
8885 | DRM_DEBUG_DRIVER("failed to downclock LVDS!\n"); |
9019 | DRM_DEBUG_DRIVER("failed to downclock LVDS!\n"); |
8886 | } |
9020 | } |
8887 | 9021 | ||
8888 | } |
9022 | } |
8889 | 9023 | ||
8890 | void intel_mark_busy(struct drm_device *dev) |
9024 | void intel_mark_busy(struct drm_device *dev) |
8891 | { |
9025 | { |
8892 | struct drm_i915_private *dev_priv = dev->dev_private; |
9026 | struct drm_i915_private *dev_priv = dev->dev_private; |
8893 | 9027 | ||
8894 | if (dev_priv->mm.busy) |
9028 | if (dev_priv->mm.busy) |
8895 | return; |
9029 | return; |
8896 | 9030 | ||
8897 | intel_runtime_pm_get(dev_priv); |
9031 | intel_runtime_pm_get(dev_priv); |
8898 | i915_update_gfx_val(dev_priv); |
9032 | i915_update_gfx_val(dev_priv); |
8899 | dev_priv->mm.busy = true; |
9033 | dev_priv->mm.busy = true; |
8900 | } |
9034 | } |
8901 | 9035 | ||
8902 | void intel_mark_idle(struct drm_device *dev) |
9036 | void intel_mark_idle(struct drm_device *dev) |
8903 | { |
9037 | { |
8904 | struct drm_i915_private *dev_priv = dev->dev_private; |
9038 | struct drm_i915_private *dev_priv = dev->dev_private; |
8905 | struct drm_crtc *crtc; |
9039 | struct drm_crtc *crtc; |
8906 | 9040 | ||
8907 | if (!dev_priv->mm.busy) |
9041 | if (!dev_priv->mm.busy) |
8908 | return; |
9042 | return; |
8909 | 9043 | ||
8910 | dev_priv->mm.busy = false; |
9044 | dev_priv->mm.busy = false; |
8911 | 9045 | ||
8912 | if (!i915.powersave) |
9046 | if (!i915.powersave) |
8913 | goto out; |
9047 | goto out; |
8914 | 9048 | ||
8915 | for_each_crtc(dev, crtc) { |
9049 | for_each_crtc(dev, crtc) { |
8916 | if (!crtc->primary->fb) |
9050 | if (!crtc->primary->fb) |
8917 | continue; |
9051 | continue; |
8918 | 9052 | ||
8919 | intel_decrease_pllclock(crtc); |
9053 | intel_decrease_pllclock(crtc); |
8920 | } |
9054 | } |
8921 | 9055 | ||
8922 | if (INTEL_INFO(dev)->gen >= 6) |
9056 | if (INTEL_INFO(dev)->gen >= 6) |
8923 | gen6_rps_idle(dev->dev_private); |
9057 | gen6_rps_idle(dev->dev_private); |
8924 | 9058 | ||
8925 | out: |
9059 | out: |
8926 | intel_runtime_pm_put(dev_priv); |
9060 | intel_runtime_pm_put(dev_priv); |
8927 | } |
9061 | } |
8928 | - | ||
8929 | - | ||
8930 | /** |
- | |
8931 | * intel_mark_fb_busy - mark given planes as busy |
- | |
8932 | * @dev: DRM device |
- | |
8933 | * @frontbuffer_bits: bits for the affected planes |
- | |
8934 | * @ring: optional ring for asynchronous commands |
- | |
8935 | * |
- | |
8936 | * This function gets called every time the screen contents change. It can be |
- | |
8937 | * used to keep e.g. the update rate at the nominal refresh rate with DRRS. |
- | |
8938 | */ |
- | |
8939 | static void intel_mark_fb_busy(struct drm_device *dev, |
- | |
8940 | unsigned frontbuffer_bits, |
- | |
8941 | struct intel_engine_cs *ring) |
- | |
8942 | { |
- | |
8943 | enum pipe pipe; |
- | |
8944 | - | ||
8945 | if (!i915.powersave) |
- | |
8946 | return; |
- | |
8947 | - | ||
8948 | for_each_pipe(pipe) { |
- | |
8949 | if (!(frontbuffer_bits & INTEL_FRONTBUFFER_ALL_MASK(pipe))) |
- | |
8950 | continue; |
- | |
8951 | - | ||
8952 | intel_increase_pllclock(dev, pipe); |
- | |
8953 | if (ring && intel_fbc_enabled(dev)) |
- | |
8954 | ring->fbc_dirty = true; |
- | |
8955 | } |
- | |
8956 | } |
- | |
8957 | - | ||
8958 | /** |
- | |
8959 | * intel_fb_obj_invalidate - invalidate frontbuffer object |
- | |
8960 | * @obj: GEM object to invalidate |
- | |
8961 | * @ring: set for asynchronous rendering |
- | |
8962 | * |
- | |
8963 | * This function gets called every time rendering on the given object starts and |
- | |
8964 | * frontbuffer caching (fbc, low refresh rate for DRRS, panel self refresh) must |
- | |
8965 | * be invalidated. If @ring is non-NULL any subsequent invalidation will be delayed |
- | |
8966 | * until the rendering completes or a flip on this frontbuffer plane is |
- | |
8967 | * scheduled. |
- | |
8968 | */ |
- | |
8969 | void intel_fb_obj_invalidate(struct drm_i915_gem_object *obj, |
- | |
8970 | struct intel_engine_cs *ring) |
- | |
8971 | { |
- | |
8972 | struct drm_device *dev = obj->base.dev; |
- | |
8973 | struct drm_i915_private *dev_priv = dev->dev_private; |
- | |
8974 | - | ||
8975 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
- | |
8976 | - | ||
8977 | if (!obj->frontbuffer_bits) |
- | |
8978 | return; |
- | |
8979 | - | ||
8980 | if (ring) { |
- | |
8981 | mutex_lock(&dev_priv->fb_tracking.lock); |
- | |
8982 | dev_priv->fb_tracking.busy_bits |
- | |
8983 | |= obj->frontbuffer_bits; |
- | |
8984 | dev_priv->fb_tracking.flip_bits |
- | |
8985 | &= ~obj->frontbuffer_bits; |
- | |
8986 | mutex_unlock(&dev_priv->fb_tracking.lock); |
- | |
8987 | } |
- | |
8988 | - | ||
8989 | intel_mark_fb_busy(dev, obj->frontbuffer_bits, ring); |
- | |
8990 | - | ||
8991 | intel_edp_psr_invalidate(dev, obj->frontbuffer_bits); |
- | |
8992 | } |
- | |
8993 | - | ||
8994 | /** |
- | |
8995 | * intel_frontbuffer_flush - flush frontbuffer |
- | |
8996 | * @dev: DRM device |
- | |
8997 | * @frontbuffer_bits: frontbuffer plane tracking bits |
- | |
8998 | * |
- | |
8999 | * This function gets called every time rendering on the given planes has |
- | |
9000 | * completed and frontbuffer caching can be started again. Flushes will get |
- | |
9001 | * delayed if they're blocked by some oustanding asynchronous rendering. |
- | |
9002 | * |
- | |
9003 | * Can be called without any locks held. |
- | |
9004 | */ |
- | |
9005 | void intel_frontbuffer_flush(struct drm_device *dev, |
- | |
9006 | unsigned frontbuffer_bits) |
- | |
9007 | { |
- | |
9008 | struct drm_i915_private *dev_priv = dev->dev_private; |
- | |
9009 | - | ||
9010 | /* Delay flushing when rings are still busy.*/ |
- | |
9011 | mutex_lock(&dev_priv->fb_tracking.lock); |
- | |
9012 | frontbuffer_bits &= ~dev_priv->fb_tracking.busy_bits; |
- | |
9013 | mutex_unlock(&dev_priv->fb_tracking.lock); |
- | |
9014 | - | ||
9015 | intel_mark_fb_busy(dev, frontbuffer_bits, NULL); |
- | |
9016 | - | ||
9017 | intel_edp_psr_flush(dev, frontbuffer_bits); |
- | |
9018 | } |
9062 | |
9019 | static void intel_crtc_destroy(struct drm_crtc *crtc) |
9063 | static void intel_crtc_destroy(struct drm_crtc *crtc) |
9020 | { |
9064 | { |
9021 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9065 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9022 | struct drm_device *dev = crtc->dev; |
9066 | struct drm_device *dev = crtc->dev; |
9023 | struct intel_unpin_work *work; |
9067 | struct intel_unpin_work *work; |
9024 | unsigned long flags; |
- | |
9025 | 9068 | ||
9026 | spin_lock_irqsave(&dev->event_lock, flags); |
9069 | spin_lock_irq(&dev->event_lock); |
9027 | work = intel_crtc->unpin_work; |
9070 | work = intel_crtc->unpin_work; |
9028 | intel_crtc->unpin_work = NULL; |
9071 | intel_crtc->unpin_work = NULL; |
9029 | spin_unlock_irqrestore(&dev->event_lock, flags); |
9072 | spin_unlock_irq(&dev->event_lock); |
9030 | 9073 | ||
9031 | if (work) { |
9074 | if (work) { |
9032 | cancel_work_sync(&work->work); |
9075 | cancel_work_sync(&work->work); |
9033 | kfree(work); |
9076 | kfree(work); |
9034 | } |
9077 | } |
9035 | 9078 | ||
9036 | drm_crtc_cleanup(crtc); |
9079 | drm_crtc_cleanup(crtc); |
9037 | 9080 | ||
9038 | kfree(intel_crtc); |
9081 | kfree(intel_crtc); |
9039 | } |
9082 | } |
9040 | 9083 | ||
9041 | #if 0 |
9084 | #if 0 |
9042 | static void intel_unpin_work_fn(struct work_struct *__work) |
9085 | static void intel_unpin_work_fn(struct work_struct *__work) |
9043 | { |
9086 | { |
9044 | struct intel_unpin_work *work = |
9087 | struct intel_unpin_work *work = |
9045 | container_of(__work, struct intel_unpin_work, work); |
9088 | container_of(__work, struct intel_unpin_work, work); |
9046 | struct drm_device *dev = work->crtc->dev; |
9089 | struct drm_device *dev = work->crtc->dev; |
9047 | enum pipe pipe = to_intel_crtc(work->crtc)->pipe; |
9090 | enum pipe pipe = to_intel_crtc(work->crtc)->pipe; |
9048 | 9091 | ||
9049 | mutex_lock(&dev->struct_mutex); |
9092 | mutex_lock(&dev->struct_mutex); |
9050 | intel_unpin_fb_obj(work->old_fb_obj); |
9093 | intel_unpin_fb_obj(work->old_fb_obj); |
9051 | drm_gem_object_unreference(&work->pending_flip_obj->base); |
9094 | drm_gem_object_unreference(&work->pending_flip_obj->base); |
9052 | drm_gem_object_unreference(&work->old_fb_obj->base); |
9095 | drm_gem_object_unreference(&work->old_fb_obj->base); |
9053 | 9096 | ||
9054 | intel_update_fbc(dev); |
9097 | intel_update_fbc(dev); |
9055 | mutex_unlock(&dev->struct_mutex); |
9098 | mutex_unlock(&dev->struct_mutex); |
- | 9099 | ||
- | 9100 | intel_frontbuffer_flip_complete(dev, INTEL_FRONTBUFFER_PRIMARY(pipe)); |
|
9056 | 9101 | ||
9057 | BUG_ON(atomic_read(&to_intel_crtc(work->crtc)->unpin_work_count) == 0); |
9102 | BUG_ON(atomic_read(&to_intel_crtc(work->crtc)->unpin_work_count) == 0); |
9058 | atomic_dec(&to_intel_crtc(work->crtc)->unpin_work_count); |
9103 | atomic_dec(&to_intel_crtc(work->crtc)->unpin_work_count); |
9059 | 9104 | ||
9060 | kfree(work); |
9105 | kfree(work); |
9061 | } |
9106 | } |
9062 | 9107 | ||
9063 | static void do_intel_finish_page_flip(struct drm_device *dev, |
9108 | static void do_intel_finish_page_flip(struct drm_device *dev, |
9064 | struct drm_crtc *crtc) |
9109 | struct drm_crtc *crtc) |
9065 | { |
9110 | { |
9066 | struct drm_i915_private *dev_priv = dev->dev_private; |
- | |
9067 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9111 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9068 | struct intel_unpin_work *work; |
9112 | struct intel_unpin_work *work; |
9069 | unsigned long flags; |
9113 | unsigned long flags; |
9070 | 9114 | ||
9071 | /* Ignore early vblank irqs */ |
9115 | /* Ignore early vblank irqs */ |
9072 | if (intel_crtc == NULL) |
9116 | if (intel_crtc == NULL) |
9073 | return; |
9117 | return; |
- | 9118 | ||
- | 9119 | /* |
|
- | 9120 | * This is called both by irq handlers and the reset code (to complete |
|
- | 9121 | * lost pageflips) so needs the full irqsave spinlocks. |
|
9074 | 9122 | */ |
|
9075 | spin_lock_irqsave(&dev->event_lock, flags); |
9123 | spin_lock_irqsave(&dev->event_lock, flags); |
9076 | work = intel_crtc->unpin_work; |
9124 | work = intel_crtc->unpin_work; |
9077 | 9125 | ||
9078 | /* Ensure we don't miss a work->pending update ... */ |
9126 | /* Ensure we don't miss a work->pending update ... */ |
9079 | smp_rmb(); |
9127 | smp_rmb(); |
9080 | 9128 | ||
9081 | if (work == NULL || atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) { |
9129 | if (work == NULL || atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) { |
9082 | spin_unlock_irqrestore(&dev->event_lock, flags); |
9130 | spin_unlock_irqrestore(&dev->event_lock, flags); |
9083 | return; |
9131 | return; |
9084 | } |
9132 | } |
9085 | - | ||
9086 | /* and that the unpin work is consistent wrt ->pending. */ |
- | |
9087 | smp_rmb(); |
- | |
9088 | - | ||
9089 | intel_crtc->unpin_work = NULL; |
- | |
9090 | - | ||
9091 | if (work->event) |
- | |
9092 | drm_send_vblank_event(dev, intel_crtc->pipe, work->event); |
- | |
9093 | 9133 | ||
9094 | drm_crtc_vblank_put(crtc); |
9134 | page_flip_completed(intel_crtc); |
9095 | - | ||
9096 | spin_unlock_irqrestore(&dev->event_lock, flags); |
- | |
9097 | - | ||
9098 | wake_up_all(&dev_priv->pending_flip_queue); |
- | |
9099 | - | ||
9100 | queue_work(dev_priv->wq, &work->work); |
- | |
9101 | 9135 | ||
9102 | trace_i915_flip_complete(intel_crtc->plane, work->pending_flip_obj); |
9136 | spin_unlock_irqrestore(&dev->event_lock, flags); |
9103 | } |
9137 | } |
9104 | 9138 | ||
9105 | void intel_finish_page_flip(struct drm_device *dev, int pipe) |
9139 | void intel_finish_page_flip(struct drm_device *dev, int pipe) |
9106 | { |
9140 | { |
9107 | struct drm_i915_private *dev_priv = dev->dev_private; |
9141 | struct drm_i915_private *dev_priv = dev->dev_private; |
9108 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
9142 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
9109 | 9143 | ||
9110 | do_intel_finish_page_flip(dev, crtc); |
9144 | do_intel_finish_page_flip(dev, crtc); |
9111 | } |
9145 | } |
9112 | 9146 | ||
9113 | void intel_finish_page_flip_plane(struct drm_device *dev, int plane) |
9147 | void intel_finish_page_flip_plane(struct drm_device *dev, int plane) |
9114 | { |
9148 | { |
9115 | struct drm_i915_private *dev_priv = dev->dev_private; |
9149 | struct drm_i915_private *dev_priv = dev->dev_private; |
9116 | struct drm_crtc *crtc = dev_priv->plane_to_crtc_mapping[plane]; |
9150 | struct drm_crtc *crtc = dev_priv->plane_to_crtc_mapping[plane]; |
9117 | 9151 | ||
9118 | do_intel_finish_page_flip(dev, crtc); |
9152 | do_intel_finish_page_flip(dev, crtc); |
9119 | } |
9153 | } |
9120 | 9154 | ||
9121 | /* Is 'a' after or equal to 'b'? */ |
9155 | /* Is 'a' after or equal to 'b'? */ |
9122 | static bool g4x_flip_count_after_eq(u32 a, u32 b) |
9156 | static bool g4x_flip_count_after_eq(u32 a, u32 b) |
9123 | { |
9157 | { |
9124 | return !((a - b) & 0x80000000); |
9158 | return !((a - b) & 0x80000000); |
9125 | } |
9159 | } |
9126 | 9160 | ||
9127 | static bool page_flip_finished(struct intel_crtc *crtc) |
9161 | static bool page_flip_finished(struct intel_crtc *crtc) |
9128 | { |
9162 | { |
9129 | struct drm_device *dev = crtc->base.dev; |
9163 | struct drm_device *dev = crtc->base.dev; |
9130 | struct drm_i915_private *dev_priv = dev->dev_private; |
9164 | struct drm_i915_private *dev_priv = dev->dev_private; |
- | 9165 | ||
- | 9166 | if (i915_reset_in_progress(&dev_priv->gpu_error) || |
|
- | 9167 | crtc->reset_counter != atomic_read(&dev_priv->gpu_error.reset_counter)) |
|
- | 9168 | return true; |
|
9131 | 9169 | ||
9132 | /* |
9170 | /* |
9133 | * The relevant registers doen't exist on pre-ctg. |
9171 | * The relevant registers doen't exist on pre-ctg. |
9134 | * As the flip done interrupt doesn't trigger for mmio |
9172 | * As the flip done interrupt doesn't trigger for mmio |
9135 | * flips on gmch platforms, a flip count check isn't |
9173 | * flips on gmch platforms, a flip count check isn't |
9136 | * really needed there. But since ctg has the registers, |
9174 | * really needed there. But since ctg has the registers, |
9137 | * include it in the check anyway. |
9175 | * include it in the check anyway. |
9138 | */ |
9176 | */ |
9139 | if (INTEL_INFO(dev)->gen < 5 && !IS_G4X(dev)) |
9177 | if (INTEL_INFO(dev)->gen < 5 && !IS_G4X(dev)) |
9140 | return true; |
9178 | return true; |
9141 | 9179 | ||
9142 | /* |
9180 | /* |
9143 | * A DSPSURFLIVE check isn't enough in case the mmio and CS flips |
9181 | * A DSPSURFLIVE check isn't enough in case the mmio and CS flips |
9144 | * used the same base address. In that case the mmio flip might |
9182 | * used the same base address. In that case the mmio flip might |
9145 | * have completed, but the CS hasn't even executed the flip yet. |
9183 | * have completed, but the CS hasn't even executed the flip yet. |
9146 | * |
9184 | * |
9147 | * A flip count check isn't enough as the CS might have updated |
9185 | * A flip count check isn't enough as the CS might have updated |
9148 | * the base address just after start of vblank, but before we |
9186 | * the base address just after start of vblank, but before we |
9149 | * managed to process the interrupt. This means we'd complete the |
9187 | * managed to process the interrupt. This means we'd complete the |
9150 | * CS flip too soon. |
9188 | * CS flip too soon. |
9151 | * |
9189 | * |
9152 | * Combining both checks should get us a good enough result. It may |
9190 | * Combining both checks should get us a good enough result. It may |
9153 | * still happen that the CS flip has been executed, but has not |
9191 | * still happen that the CS flip has been executed, but has not |
9154 | * yet actually completed. But in case the base address is the same |
9192 | * yet actually completed. But in case the base address is the same |
9155 | * anyway, we don't really care. |
9193 | * anyway, we don't really care. |
9156 | */ |
9194 | */ |
9157 | return (I915_READ(DSPSURFLIVE(crtc->plane)) & ~0xfff) == |
9195 | return (I915_READ(DSPSURFLIVE(crtc->plane)) & ~0xfff) == |
9158 | crtc->unpin_work->gtt_offset && |
9196 | crtc->unpin_work->gtt_offset && |
9159 | g4x_flip_count_after_eq(I915_READ(PIPE_FLIPCOUNT_GM45(crtc->pipe)), |
9197 | g4x_flip_count_after_eq(I915_READ(PIPE_FLIPCOUNT_GM45(crtc->pipe)), |
9160 | crtc->unpin_work->flip_count); |
9198 | crtc->unpin_work->flip_count); |
9161 | } |
9199 | } |
9162 | 9200 | ||
9163 | void intel_prepare_page_flip(struct drm_device *dev, int plane) |
9201 | void intel_prepare_page_flip(struct drm_device *dev, int plane) |
9164 | { |
9202 | { |
9165 | struct drm_i915_private *dev_priv = dev->dev_private; |
9203 | struct drm_i915_private *dev_priv = dev->dev_private; |
9166 | struct intel_crtc *intel_crtc = |
9204 | struct intel_crtc *intel_crtc = |
9167 | to_intel_crtc(dev_priv->plane_to_crtc_mapping[plane]); |
9205 | to_intel_crtc(dev_priv->plane_to_crtc_mapping[plane]); |
9168 | unsigned long flags; |
9206 | unsigned long flags; |
- | 9207 | ||
- | 9208 | ||
- | 9209 | /* |
|
- | 9210 | * This is called both by irq handlers and the reset code (to complete |
|
- | 9211 | * lost pageflips) so needs the full irqsave spinlocks. |
|
9169 | 9212 | * |
|
9170 | /* NB: An MMIO update of the plane base pointer will also |
9213 | * NB: An MMIO update of the plane base pointer will also |
9171 | * generate a page-flip completion irq, i.e. every modeset |
9214 | * generate a page-flip completion irq, i.e. every modeset |
9172 | * is also accompanied by a spurious intel_prepare_page_flip(). |
9215 | * is also accompanied by a spurious intel_prepare_page_flip(). |
9173 | */ |
9216 | */ |
9174 | spin_lock_irqsave(&dev->event_lock, flags); |
9217 | spin_lock_irqsave(&dev->event_lock, flags); |
9175 | if (intel_crtc->unpin_work && page_flip_finished(intel_crtc)) |
9218 | if (intel_crtc->unpin_work && page_flip_finished(intel_crtc)) |
9176 | atomic_inc_not_zero(&intel_crtc->unpin_work->pending); |
9219 | atomic_inc_not_zero(&intel_crtc->unpin_work->pending); |
9177 | spin_unlock_irqrestore(&dev->event_lock, flags); |
9220 | spin_unlock_irqrestore(&dev->event_lock, flags); |
9178 | } |
9221 | } |
9179 | 9222 | ||
9180 | static inline void intel_mark_page_flip_active(struct intel_crtc *intel_crtc) |
9223 | static inline void intel_mark_page_flip_active(struct intel_crtc *intel_crtc) |
9181 | { |
9224 | { |
9182 | /* Ensure that the work item is consistent when activating it ... */ |
9225 | /* Ensure that the work item is consistent when activating it ... */ |
9183 | smp_wmb(); |
9226 | smp_wmb(); |
9184 | atomic_set(&intel_crtc->unpin_work->pending, INTEL_FLIP_PENDING); |
9227 | atomic_set(&intel_crtc->unpin_work->pending, INTEL_FLIP_PENDING); |
9185 | /* and that it is marked active as soon as the irq could fire. */ |
9228 | /* and that it is marked active as soon as the irq could fire. */ |
9186 | smp_wmb(); |
9229 | smp_wmb(); |
9187 | } |
9230 | } |
9188 | 9231 | ||
9189 | static int intel_gen2_queue_flip(struct drm_device *dev, |
9232 | static int intel_gen2_queue_flip(struct drm_device *dev, |
9190 | struct drm_crtc *crtc, |
9233 | struct drm_crtc *crtc, |
9191 | struct drm_framebuffer *fb, |
9234 | struct drm_framebuffer *fb, |
9192 | struct drm_i915_gem_object *obj, |
9235 | struct drm_i915_gem_object *obj, |
9193 | struct intel_engine_cs *ring, |
9236 | struct intel_engine_cs *ring, |
9194 | uint32_t flags) |
9237 | uint32_t flags) |
9195 | { |
9238 | { |
9196 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9239 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9197 | u32 flip_mask; |
9240 | u32 flip_mask; |
9198 | int ret; |
9241 | int ret; |
9199 | 9242 | ||
9200 | ret = intel_ring_begin(ring, 6); |
9243 | ret = intel_ring_begin(ring, 6); |
9201 | if (ret) |
9244 | if (ret) |
9202 | return ret; |
9245 | return ret; |
9203 | 9246 | ||
9204 | /* Can't queue multiple flips, so wait for the previous |
9247 | /* Can't queue multiple flips, so wait for the previous |
9205 | * one to finish before executing the next. |
9248 | * one to finish before executing the next. |
9206 | */ |
9249 | */ |
9207 | if (intel_crtc->plane) |
9250 | if (intel_crtc->plane) |
9208 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; |
9251 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; |
9209 | else |
9252 | else |
9210 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; |
9253 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; |
9211 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
9254 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
9212 | intel_ring_emit(ring, MI_NOOP); |
9255 | intel_ring_emit(ring, MI_NOOP); |
9213 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
9256 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
9214 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); |
9257 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); |
9215 | intel_ring_emit(ring, fb->pitches[0]); |
9258 | intel_ring_emit(ring, fb->pitches[0]); |
9216 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
9259 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
9217 | intel_ring_emit(ring, 0); /* aux display base address, unused */ |
9260 | intel_ring_emit(ring, 0); /* aux display base address, unused */ |
9218 | 9261 | ||
9219 | intel_mark_page_flip_active(intel_crtc); |
9262 | intel_mark_page_flip_active(intel_crtc); |
9220 | __intel_ring_advance(ring); |
9263 | __intel_ring_advance(ring); |
9221 | return 0; |
9264 | return 0; |
9222 | } |
9265 | } |
9223 | 9266 | ||
9224 | static int intel_gen3_queue_flip(struct drm_device *dev, |
9267 | static int intel_gen3_queue_flip(struct drm_device *dev, |
9225 | struct drm_crtc *crtc, |
9268 | struct drm_crtc *crtc, |
9226 | struct drm_framebuffer *fb, |
9269 | struct drm_framebuffer *fb, |
9227 | struct drm_i915_gem_object *obj, |
9270 | struct drm_i915_gem_object *obj, |
9228 | struct intel_engine_cs *ring, |
9271 | struct intel_engine_cs *ring, |
9229 | uint32_t flags) |
9272 | uint32_t flags) |
9230 | { |
9273 | { |
9231 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9274 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9232 | u32 flip_mask; |
9275 | u32 flip_mask; |
9233 | int ret; |
9276 | int ret; |
9234 | 9277 | ||
9235 | ret = intel_ring_begin(ring, 6); |
9278 | ret = intel_ring_begin(ring, 6); |
9236 | if (ret) |
9279 | if (ret) |
9237 | return ret; |
9280 | return ret; |
9238 | 9281 | ||
9239 | if (intel_crtc->plane) |
9282 | if (intel_crtc->plane) |
9240 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; |
9283 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; |
9241 | else |
9284 | else |
9242 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; |
9285 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; |
9243 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
9286 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
9244 | intel_ring_emit(ring, MI_NOOP); |
9287 | intel_ring_emit(ring, MI_NOOP); |
9245 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | |
9288 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | |
9246 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); |
9289 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); |
9247 | intel_ring_emit(ring, fb->pitches[0]); |
9290 | intel_ring_emit(ring, fb->pitches[0]); |
9248 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
9291 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
9249 | intel_ring_emit(ring, MI_NOOP); |
9292 | intel_ring_emit(ring, MI_NOOP); |
9250 | 9293 | ||
9251 | intel_mark_page_flip_active(intel_crtc); |
9294 | intel_mark_page_flip_active(intel_crtc); |
9252 | __intel_ring_advance(ring); |
9295 | __intel_ring_advance(ring); |
9253 | return 0; |
9296 | return 0; |
9254 | } |
9297 | } |
9255 | 9298 | ||
9256 | static int intel_gen4_queue_flip(struct drm_device *dev, |
9299 | static int intel_gen4_queue_flip(struct drm_device *dev, |
9257 | struct drm_crtc *crtc, |
9300 | struct drm_crtc *crtc, |
9258 | struct drm_framebuffer *fb, |
9301 | struct drm_framebuffer *fb, |
9259 | struct drm_i915_gem_object *obj, |
9302 | struct drm_i915_gem_object *obj, |
9260 | struct intel_engine_cs *ring, |
9303 | struct intel_engine_cs *ring, |
9261 | uint32_t flags) |
9304 | uint32_t flags) |
9262 | { |
9305 | { |
9263 | struct drm_i915_private *dev_priv = dev->dev_private; |
9306 | struct drm_i915_private *dev_priv = dev->dev_private; |
9264 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9307 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9265 | uint32_t pf, pipesrc; |
9308 | uint32_t pf, pipesrc; |
9266 | int ret; |
9309 | int ret; |
9267 | 9310 | ||
9268 | ret = intel_ring_begin(ring, 4); |
9311 | ret = intel_ring_begin(ring, 4); |
9269 | if (ret) |
9312 | if (ret) |
9270 | return ret; |
9313 | return ret; |
9271 | 9314 | ||
9272 | /* i965+ uses the linear or tiled offsets from the |
9315 | /* i965+ uses the linear or tiled offsets from the |
9273 | * Display Registers (which do not change across a page-flip) |
9316 | * Display Registers (which do not change across a page-flip) |
9274 | * so we need only reprogram the base address. |
9317 | * so we need only reprogram the base address. |
9275 | */ |
9318 | */ |
9276 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
9319 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
9277 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); |
9320 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); |
9278 | intel_ring_emit(ring, fb->pitches[0]); |
9321 | intel_ring_emit(ring, fb->pitches[0]); |
9279 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset | |
9322 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset | |
9280 | obj->tiling_mode); |
9323 | obj->tiling_mode); |
9281 | 9324 | ||
9282 | /* XXX Enabling the panel-fitter across page-flip is so far |
9325 | /* XXX Enabling the panel-fitter across page-flip is so far |
9283 | * untested on non-native modes, so ignore it for now. |
9326 | * untested on non-native modes, so ignore it for now. |
9284 | * pf = I915_READ(pipe == 0 ? PFA_CTL_1 : PFB_CTL_1) & PF_ENABLE; |
9327 | * pf = I915_READ(pipe == 0 ? PFA_CTL_1 : PFB_CTL_1) & PF_ENABLE; |
9285 | */ |
9328 | */ |
9286 | pf = 0; |
9329 | pf = 0; |
9287 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; |
9330 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; |
9288 | intel_ring_emit(ring, pf | pipesrc); |
9331 | intel_ring_emit(ring, pf | pipesrc); |
9289 | 9332 | ||
9290 | intel_mark_page_flip_active(intel_crtc); |
9333 | intel_mark_page_flip_active(intel_crtc); |
9291 | __intel_ring_advance(ring); |
9334 | __intel_ring_advance(ring); |
9292 | return 0; |
9335 | return 0; |
9293 | } |
9336 | } |
9294 | 9337 | ||
9295 | static int intel_gen6_queue_flip(struct drm_device *dev, |
9338 | static int intel_gen6_queue_flip(struct drm_device *dev, |
9296 | struct drm_crtc *crtc, |
9339 | struct drm_crtc *crtc, |
9297 | struct drm_framebuffer *fb, |
9340 | struct drm_framebuffer *fb, |
9298 | struct drm_i915_gem_object *obj, |
9341 | struct drm_i915_gem_object *obj, |
9299 | struct intel_engine_cs *ring, |
9342 | struct intel_engine_cs *ring, |
9300 | uint32_t flags) |
9343 | uint32_t flags) |
9301 | { |
9344 | { |
9302 | struct drm_i915_private *dev_priv = dev->dev_private; |
9345 | struct drm_i915_private *dev_priv = dev->dev_private; |
9303 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9346 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9304 | uint32_t pf, pipesrc; |
9347 | uint32_t pf, pipesrc; |
9305 | int ret; |
9348 | int ret; |
9306 | 9349 | ||
9307 | ret = intel_ring_begin(ring, 4); |
9350 | ret = intel_ring_begin(ring, 4); |
9308 | if (ret) |
9351 | if (ret) |
9309 | return ret; |
9352 | return ret; |
9310 | 9353 | ||
9311 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
9354 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
9312 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); |
9355 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); |
9313 | intel_ring_emit(ring, fb->pitches[0] | obj->tiling_mode); |
9356 | intel_ring_emit(ring, fb->pitches[0] | obj->tiling_mode); |
9314 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
9357 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
9315 | 9358 | ||
9316 | /* Contrary to the suggestions in the documentation, |
9359 | /* Contrary to the suggestions in the documentation, |
9317 | * "Enable Panel Fitter" does not seem to be required when page |
9360 | * "Enable Panel Fitter" does not seem to be required when page |
9318 | * flipping with a non-native mode, and worse causes a normal |
9361 | * flipping with a non-native mode, and worse causes a normal |
9319 | * modeset to fail. |
9362 | * modeset to fail. |
9320 | * pf = I915_READ(PF_CTL(intel_crtc->pipe)) & PF_ENABLE; |
9363 | * pf = I915_READ(PF_CTL(intel_crtc->pipe)) & PF_ENABLE; |
9321 | */ |
9364 | */ |
9322 | pf = 0; |
9365 | pf = 0; |
9323 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; |
9366 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; |
9324 | intel_ring_emit(ring, pf | pipesrc); |
9367 | intel_ring_emit(ring, pf | pipesrc); |
9325 | 9368 | ||
9326 | intel_mark_page_flip_active(intel_crtc); |
9369 | intel_mark_page_flip_active(intel_crtc); |
9327 | __intel_ring_advance(ring); |
9370 | __intel_ring_advance(ring); |
9328 | return 0; |
9371 | return 0; |
9329 | } |
9372 | } |
9330 | 9373 | ||
9331 | static int intel_gen7_queue_flip(struct drm_device *dev, |
9374 | static int intel_gen7_queue_flip(struct drm_device *dev, |
9332 | struct drm_crtc *crtc, |
9375 | struct drm_crtc *crtc, |
9333 | struct drm_framebuffer *fb, |
9376 | struct drm_framebuffer *fb, |
9334 | struct drm_i915_gem_object *obj, |
9377 | struct drm_i915_gem_object *obj, |
9335 | struct intel_engine_cs *ring, |
9378 | struct intel_engine_cs *ring, |
9336 | uint32_t flags) |
9379 | uint32_t flags) |
9337 | { |
9380 | { |
9338 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9381 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9339 | uint32_t plane_bit = 0; |
9382 | uint32_t plane_bit = 0; |
9340 | int len, ret; |
9383 | int len, ret; |
9341 | 9384 | ||
9342 | switch (intel_crtc->plane) { |
9385 | switch (intel_crtc->plane) { |
9343 | case PLANE_A: |
9386 | case PLANE_A: |
9344 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_A; |
9387 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_A; |
9345 | break; |
9388 | break; |
9346 | case PLANE_B: |
9389 | case PLANE_B: |
9347 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_B; |
9390 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_B; |
9348 | break; |
9391 | break; |
9349 | case PLANE_C: |
9392 | case PLANE_C: |
9350 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_C; |
9393 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_C; |
9351 | break; |
9394 | break; |
9352 | default: |
9395 | default: |
9353 | WARN_ONCE(1, "unknown plane in flip command\n"); |
9396 | WARN_ONCE(1, "unknown plane in flip command\n"); |
9354 | return -ENODEV; |
9397 | return -ENODEV; |
9355 | } |
9398 | } |
9356 | 9399 | ||
9357 | len = 4; |
9400 | len = 4; |
9358 | if (ring->id == RCS) { |
9401 | if (ring->id == RCS) { |
9359 | len += 6; |
9402 | len += 6; |
9360 | /* |
9403 | /* |
9361 | * On Gen 8, SRM is now taking an extra dword to accommodate |
9404 | * On Gen 8, SRM is now taking an extra dword to accommodate |
9362 | * 48bits addresses, and we need a NOOP for the batch size to |
9405 | * 48bits addresses, and we need a NOOP for the batch size to |
9363 | * stay even. |
9406 | * stay even. |
9364 | */ |
9407 | */ |
9365 | if (IS_GEN8(dev)) |
9408 | if (IS_GEN8(dev)) |
9366 | len += 2; |
9409 | len += 2; |
9367 | } |
9410 | } |
9368 | 9411 | ||
9369 | /* |
9412 | /* |
9370 | * BSpec MI_DISPLAY_FLIP for IVB: |
9413 | * BSpec MI_DISPLAY_FLIP for IVB: |
9371 | * "The full packet must be contained within the same cache line." |
9414 | * "The full packet must be contained within the same cache line." |
9372 | * |
9415 | * |
9373 | * Currently the LRI+SRM+MI_DISPLAY_FLIP all fit within the same |
9416 | * Currently the LRI+SRM+MI_DISPLAY_FLIP all fit within the same |
9374 | * cacheline, if we ever start emitting more commands before |
9417 | * cacheline, if we ever start emitting more commands before |
9375 | * the MI_DISPLAY_FLIP we may need to first emit everything else, |
9418 | * the MI_DISPLAY_FLIP we may need to first emit everything else, |
9376 | * then do the cacheline alignment, and finally emit the |
9419 | * then do the cacheline alignment, and finally emit the |
9377 | * MI_DISPLAY_FLIP. |
9420 | * MI_DISPLAY_FLIP. |
9378 | */ |
9421 | */ |
9379 | ret = intel_ring_cacheline_align(ring); |
9422 | ret = intel_ring_cacheline_align(ring); |
9380 | if (ret) |
9423 | if (ret) |
9381 | return ret; |
9424 | return ret; |
9382 | 9425 | ||
9383 | ret = intel_ring_begin(ring, len); |
9426 | ret = intel_ring_begin(ring, len); |
9384 | if (ret) |
9427 | if (ret) |
9385 | return ret; |
9428 | return ret; |
9386 | 9429 | ||
9387 | /* Unmask the flip-done completion message. Note that the bspec says that |
9430 | /* Unmask the flip-done completion message. Note that the bspec says that |
9388 | * we should do this for both the BCS and RCS, and that we must not unmask |
9431 | * we should do this for both the BCS and RCS, and that we must not unmask |
9389 | * more than one flip event at any time (or ensure that one flip message |
9432 | * more than one flip event at any time (or ensure that one flip message |
9390 | * can be sent by waiting for flip-done prior to queueing new flips). |
9433 | * can be sent by waiting for flip-done prior to queueing new flips). |
9391 | * Experimentation says that BCS works despite DERRMR masking all |
9434 | * Experimentation says that BCS works despite DERRMR masking all |
9392 | * flip-done completion events and that unmasking all planes at once |
9435 | * flip-done completion events and that unmasking all planes at once |
9393 | * for the RCS also doesn't appear to drop events. Setting the DERRMR |
9436 | * for the RCS also doesn't appear to drop events. Setting the DERRMR |
9394 | * to zero does lead to lockups within MI_DISPLAY_FLIP. |
9437 | * to zero does lead to lockups within MI_DISPLAY_FLIP. |
9395 | */ |
9438 | */ |
9396 | if (ring->id == RCS) { |
9439 | if (ring->id == RCS) { |
9397 | intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1)); |
9440 | intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1)); |
9398 | intel_ring_emit(ring, DERRMR); |
9441 | intel_ring_emit(ring, DERRMR); |
9399 | intel_ring_emit(ring, ~(DERRMR_PIPEA_PRI_FLIP_DONE | |
9442 | intel_ring_emit(ring, ~(DERRMR_PIPEA_PRI_FLIP_DONE | |
9400 | DERRMR_PIPEB_PRI_FLIP_DONE | |
9443 | DERRMR_PIPEB_PRI_FLIP_DONE | |
9401 | DERRMR_PIPEC_PRI_FLIP_DONE)); |
9444 | DERRMR_PIPEC_PRI_FLIP_DONE)); |
9402 | if (IS_GEN8(dev)) |
9445 | if (IS_GEN8(dev)) |
9403 | intel_ring_emit(ring, MI_STORE_REGISTER_MEM_GEN8(1) | |
9446 | intel_ring_emit(ring, MI_STORE_REGISTER_MEM_GEN8(1) | |
9404 | MI_SRM_LRM_GLOBAL_GTT); |
9447 | MI_SRM_LRM_GLOBAL_GTT); |
9405 | else |
9448 | else |
9406 | intel_ring_emit(ring, MI_STORE_REGISTER_MEM(1) | |
9449 | intel_ring_emit(ring, MI_STORE_REGISTER_MEM(1) | |
9407 | MI_SRM_LRM_GLOBAL_GTT); |
9450 | MI_SRM_LRM_GLOBAL_GTT); |
9408 | intel_ring_emit(ring, DERRMR); |
9451 | intel_ring_emit(ring, DERRMR); |
9409 | intel_ring_emit(ring, ring->scratch.gtt_offset + 256); |
9452 | intel_ring_emit(ring, ring->scratch.gtt_offset + 256); |
9410 | if (IS_GEN8(dev)) { |
9453 | if (IS_GEN8(dev)) { |
9411 | intel_ring_emit(ring, 0); |
9454 | intel_ring_emit(ring, 0); |
9412 | intel_ring_emit(ring, MI_NOOP); |
9455 | intel_ring_emit(ring, MI_NOOP); |
9413 | } |
9456 | } |
9414 | } |
9457 | } |
9415 | 9458 | ||
9416 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit); |
9459 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit); |
9417 | intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode)); |
9460 | intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode)); |
9418 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
9461 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
9419 | intel_ring_emit(ring, (MI_NOOP)); |
9462 | intel_ring_emit(ring, (MI_NOOP)); |
9420 | 9463 | ||
9421 | intel_mark_page_flip_active(intel_crtc); |
9464 | intel_mark_page_flip_active(intel_crtc); |
9422 | __intel_ring_advance(ring); |
9465 | __intel_ring_advance(ring); |
9423 | return 0; |
9466 | return 0; |
9424 | } |
9467 | } |
9425 | 9468 | ||
9426 | static int intel_default_queue_flip(struct drm_device *dev, |
9469 | static int intel_default_queue_flip(struct drm_device *dev, |
9427 | struct drm_crtc *crtc, |
9470 | struct drm_crtc *crtc, |
9428 | struct drm_framebuffer *fb, |
9471 | struct drm_framebuffer *fb, |
9429 | struct drm_i915_gem_object *obj, |
9472 | struct drm_i915_gem_object *obj, |
9430 | struct intel_engine_cs *ring, |
9473 | struct intel_engine_cs *ring, |
9431 | uint32_t flags) |
9474 | uint32_t flags) |
9432 | { |
9475 | { |
9433 | return -ENODEV; |
9476 | return -ENODEV; |
9434 | } |
9477 | } |
9435 | 9478 | ||
9436 | static int intel_crtc_page_flip(struct drm_crtc *crtc, |
9479 | static int intel_crtc_page_flip(struct drm_crtc *crtc, |
9437 | struct drm_framebuffer *fb, |
9480 | struct drm_framebuffer *fb, |
9438 | struct drm_pending_vblank_event *event, |
9481 | struct drm_pending_vblank_event *event, |
9439 | uint32_t page_flip_flags) |
9482 | uint32_t page_flip_flags) |
9440 | { |
9483 | { |
9441 | struct drm_device *dev = crtc->dev; |
9484 | struct drm_device *dev = crtc->dev; |
9442 | struct drm_i915_private *dev_priv = dev->dev_private; |
9485 | struct drm_i915_private *dev_priv = dev->dev_private; |
9443 | struct drm_framebuffer *old_fb = crtc->primary->fb; |
9486 | struct drm_framebuffer *old_fb = crtc->primary->fb; |
9444 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
9487 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
9445 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9488 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9446 | enum pipe pipe = intel_crtc->pipe; |
9489 | enum pipe pipe = intel_crtc->pipe; |
9447 | struct intel_unpin_work *work; |
9490 | struct intel_unpin_work *work; |
9448 | struct intel_engine_cs *ring; |
9491 | struct intel_engine_cs *ring; |
9449 | unsigned long flags; |
- | |
9450 | int ret; |
9492 | int ret; |
9451 | 9493 | ||
9452 | /* |
9494 | /* |
9453 | * drm_mode_page_flip_ioctl() should already catch this, but double |
9495 | * drm_mode_page_flip_ioctl() should already catch this, but double |
9454 | * check to be safe. In the future we may enable pageflipping from |
9496 | * check to be safe. In the future we may enable pageflipping from |
9455 | * a disabled primary plane. |
9497 | * a disabled primary plane. |
9456 | */ |
9498 | */ |
9457 | if (WARN_ON(intel_fb_obj(old_fb) == NULL)) |
9499 | if (WARN_ON(intel_fb_obj(old_fb) == NULL)) |
9458 | return -EBUSY; |
9500 | return -EBUSY; |
9459 | 9501 | ||
9460 | /* Can't change pixel format via MI display flips. */ |
9502 | /* Can't change pixel format via MI display flips. */ |
9461 | if (fb->pixel_format != crtc->primary->fb->pixel_format) |
9503 | if (fb->pixel_format != crtc->primary->fb->pixel_format) |
9462 | return -EINVAL; |
9504 | return -EINVAL; |
9463 | 9505 | ||
9464 | /* |
9506 | /* |
9465 | * TILEOFF/LINOFF registers can't be changed via MI display flips. |
9507 | * TILEOFF/LINOFF registers can't be changed via MI display flips. |
9466 | * Note that pitch changes could also affect these register. |
9508 | * Note that pitch changes could also affect these register. |
9467 | */ |
9509 | */ |
9468 | if (INTEL_INFO(dev)->gen > 3 && |
9510 | if (INTEL_INFO(dev)->gen > 3 && |
9469 | (fb->offsets[0] != crtc->primary->fb->offsets[0] || |
9511 | (fb->offsets[0] != crtc->primary->fb->offsets[0] || |
9470 | fb->pitches[0] != crtc->primary->fb->pitches[0])) |
9512 | fb->pitches[0] != crtc->primary->fb->pitches[0])) |
9471 | return -EINVAL; |
9513 | return -EINVAL; |
- | 9514 | ||
- | 9515 | if (i915_terminally_wedged(&dev_priv->gpu_error)) |
|
- | 9516 | goto out_hang; |
|
9472 | 9517 | ||
9473 | work = kzalloc(sizeof(*work), GFP_KERNEL); |
9518 | work = kzalloc(sizeof(*work), GFP_KERNEL); |
9474 | if (work == NULL) |
9519 | if (work == NULL) |
9475 | return -ENOMEM; |
9520 | return -ENOMEM; |
9476 | 9521 | ||
9477 | work->event = event; |
9522 | work->event = event; |
9478 | work->crtc = crtc; |
9523 | work->crtc = crtc; |
9479 | work->old_fb_obj = intel_fb_obj(old_fb); |
9524 | work->old_fb_obj = intel_fb_obj(old_fb); |
9480 | INIT_WORK(&work->work, intel_unpin_work_fn); |
9525 | INIT_WORK(&work->work, intel_unpin_work_fn); |
9481 | 9526 | ||
9482 | ret = drm_crtc_vblank_get(crtc); |
9527 | ret = drm_crtc_vblank_get(crtc); |
9483 | if (ret) |
9528 | if (ret) |
9484 | goto free_work; |
9529 | goto free_work; |
9485 | 9530 | ||
9486 | /* We borrow the event spin lock for protecting unpin_work */ |
9531 | /* We borrow the event spin lock for protecting unpin_work */ |
9487 | spin_lock_irqsave(&dev->event_lock, flags); |
9532 | spin_lock_irq(&dev->event_lock); |
9488 | if (intel_crtc->unpin_work) { |
9533 | if (intel_crtc->unpin_work) { |
9489 | spin_unlock_irqrestore(&dev->event_lock, flags); |
9534 | /* Before declaring the flip queue wedged, check if |
- | 9535 | * the hardware completed the operation behind our backs. |
|
9490 | kfree(work); |
9536 | */ |
- | 9537 | if (__intel_pageflip_stall_check(dev, crtc)) { |
|
- | 9538 | DRM_DEBUG_DRIVER("flip queue: previous flip completed, continuing\n"); |
|
9491 | drm_crtc_vblank_put(crtc); |
9539 | page_flip_completed(intel_crtc); |
9492 | 9540 | } else { |
|
9493 | DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); |
9541 | DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); |
- | 9542 | spin_unlock_irq(&dev->event_lock); |
|
- | 9543 | ||
- | 9544 | drm_crtc_vblank_put(crtc); |
|
- | 9545 | kfree(work); |
|
9494 | return -EBUSY; |
9546 | return -EBUSY; |
9495 | } |
9547 | } |
- | 9548 | } |
|
9496 | intel_crtc->unpin_work = work; |
9549 | intel_crtc->unpin_work = work; |
9497 | spin_unlock_irqrestore(&dev->event_lock, flags); |
9550 | spin_unlock_irq(&dev->event_lock); |
9498 | 9551 | ||
9499 | if (atomic_read(&intel_crtc->unpin_work_count) >= 2) |
9552 | if (atomic_read(&intel_crtc->unpin_work_count) >= 2) |
9500 | flush_workqueue(dev_priv->wq); |
9553 | flush_workqueue(dev_priv->wq); |
9501 | 9554 | ||
9502 | ret = i915_mutex_lock_interruptible(dev); |
9555 | ret = i915_mutex_lock_interruptible(dev); |
9503 | if (ret) |
9556 | if (ret) |
9504 | goto cleanup; |
9557 | goto cleanup; |
9505 | 9558 | ||
9506 | /* Reference the objects for the scheduled work. */ |
9559 | /* Reference the objects for the scheduled work. */ |
9507 | drm_gem_object_reference(&work->old_fb_obj->base); |
9560 | drm_gem_object_reference(&work->old_fb_obj->base); |
9508 | drm_gem_object_reference(&obj->base); |
9561 | drm_gem_object_reference(&obj->base); |
9509 | 9562 | ||
9510 | crtc->primary->fb = fb; |
9563 | crtc->primary->fb = fb; |
9511 | 9564 | ||
9512 | work->pending_flip_obj = obj; |
9565 | work->pending_flip_obj = obj; |
9513 | - | ||
9514 | work->enable_stall_check = true; |
- | |
9515 | 9566 | ||
9516 | atomic_inc(&intel_crtc->unpin_work_count); |
9567 | atomic_inc(&intel_crtc->unpin_work_count); |
9517 | intel_crtc->reset_counter = atomic_read(&dev_priv->gpu_error.reset_counter); |
9568 | intel_crtc->reset_counter = atomic_read(&dev_priv->gpu_error.reset_counter); |
9518 | 9569 | ||
9519 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) |
9570 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) |
9520 | work->flip_count = I915_READ(PIPE_FLIPCOUNT_GM45(pipe)) + 1; |
9571 | work->flip_count = I915_READ(PIPE_FLIPCOUNT_GM45(pipe)) + 1; |
9521 | 9572 | ||
9522 | if (IS_VALLEYVIEW(dev)) { |
9573 | if (IS_VALLEYVIEW(dev)) { |
9523 | ring = &dev_priv->ring[BCS]; |
9574 | ring = &dev_priv->ring[BCS]; |
9524 | if (obj->tiling_mode != work->old_fb_obj->tiling_mode) |
9575 | if (obj->tiling_mode != work->old_fb_obj->tiling_mode) |
9525 | /* vlv: DISPLAY_FLIP fails to change tiling */ |
9576 | /* vlv: DISPLAY_FLIP fails to change tiling */ |
9526 | ring = NULL; |
9577 | ring = NULL; |
9527 | } else if (IS_IVYBRIDGE(dev)) { |
9578 | } else if (IS_IVYBRIDGE(dev)) { |
9528 | ring = &dev_priv->ring[BCS]; |
9579 | ring = &dev_priv->ring[BCS]; |
9529 | } else if (INTEL_INFO(dev)->gen >= 7) { |
9580 | } else if (INTEL_INFO(dev)->gen >= 7) { |
9530 | ring = obj->ring; |
9581 | ring = obj->ring; |
9531 | if (ring == NULL || ring->id != RCS) |
9582 | if (ring == NULL || ring->id != RCS) |
9532 | ring = &dev_priv->ring[BCS]; |
9583 | ring = &dev_priv->ring[BCS]; |
9533 | } else { |
9584 | } else { |
9534 | ring = &dev_priv->ring[RCS]; |
9585 | ring = &dev_priv->ring[RCS]; |
9535 | } |
9586 | } |
9536 | 9587 | ||
9537 | ret = intel_pin_and_fence_fb_obj(dev, obj, ring); |
9588 | ret = intel_pin_and_fence_fb_obj(crtc->primary, fb, ring); |
9538 | if (ret) |
9589 | if (ret) |
9539 | goto cleanup_pending; |
9590 | goto cleanup_pending; |
9540 | 9591 | ||
9541 | work->gtt_offset = |
9592 | work->gtt_offset = |
9542 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset; |
9593 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset; |
9543 | 9594 | ||
9544 | if (use_mmio_flip(ring, obj)) |
9595 | if (use_mmio_flip(ring, obj)) { |
9545 | ret = intel_queue_mmio_flip(dev, crtc, fb, obj, ring, |
9596 | ret = intel_queue_mmio_flip(dev, crtc, fb, obj, ring, |
- | 9597 | page_flip_flags); |
|
- | 9598 | if (ret) |
|
- | 9599 | goto cleanup_unpin; |
|
- | 9600 | ||
- | 9601 | work->flip_queued_seqno = obj->last_write_seqno; |
|
9546 | page_flip_flags); |
9602 | work->flip_queued_ring = obj->ring; |
9547 | else |
9603 | } else { |
9548 | ret = dev_priv->display.queue_flip(dev, crtc, fb, obj, ring, |
9604 | ret = dev_priv->display.queue_flip(dev, crtc, fb, obj, ring, |
9549 | page_flip_flags); |
9605 | page_flip_flags); |
9550 | if (ret) |
9606 | if (ret) |
9551 | goto cleanup_unpin; |
9607 | goto cleanup_unpin; |
- | 9608 | ||
- | 9609 | work->flip_queued_seqno = intel_ring_get_seqno(ring); |
|
- | 9610 | work->flip_queued_ring = ring; |
|
- | 9611 | } |
|
- | 9612 | ||
- | 9613 | work->flip_queued_vblank = drm_vblank_count(dev, intel_crtc->pipe); |
|
- | 9614 | work->enable_stall_check = true; |
|
9552 | 9615 | ||
9553 | i915_gem_track_fb(work->old_fb_obj, obj, |
9616 | i915_gem_track_fb(work->old_fb_obj, obj, |
9554 | INTEL_FRONTBUFFER_PRIMARY(pipe)); |
9617 | INTEL_FRONTBUFFER_PRIMARY(pipe)); |
9555 | 9618 | ||
9556 | intel_disable_fbc(dev); |
9619 | intel_disable_fbc(dev); |
9557 | intel_frontbuffer_flip_prepare(dev, INTEL_FRONTBUFFER_PRIMARY(pipe)); |
9620 | intel_frontbuffer_flip_prepare(dev, INTEL_FRONTBUFFER_PRIMARY(pipe)); |
9558 | mutex_unlock(&dev->struct_mutex); |
9621 | mutex_unlock(&dev->struct_mutex); |
9559 | 9622 | ||
9560 | trace_i915_flip_request(intel_crtc->plane, obj); |
9623 | trace_i915_flip_request(intel_crtc->plane, obj); |
9561 | 9624 | ||
9562 | return 0; |
9625 | return 0; |
9563 | 9626 | ||
9564 | cleanup_unpin: |
9627 | cleanup_unpin: |
9565 | intel_unpin_fb_obj(obj); |
9628 | intel_unpin_fb_obj(obj); |
9566 | cleanup_pending: |
9629 | cleanup_pending: |
9567 | atomic_dec(&intel_crtc->unpin_work_count); |
9630 | atomic_dec(&intel_crtc->unpin_work_count); |
9568 | crtc->primary->fb = old_fb; |
9631 | crtc->primary->fb = old_fb; |
9569 | drm_gem_object_unreference(&work->old_fb_obj->base); |
9632 | drm_gem_object_unreference(&work->old_fb_obj->base); |
9570 | drm_gem_object_unreference(&obj->base); |
9633 | drm_gem_object_unreference(&obj->base); |
9571 | mutex_unlock(&dev->struct_mutex); |
9634 | mutex_unlock(&dev->struct_mutex); |
9572 | 9635 | ||
9573 | cleanup: |
9636 | cleanup: |
9574 | spin_lock_irqsave(&dev->event_lock, flags); |
9637 | spin_lock_irq(&dev->event_lock); |
9575 | intel_crtc->unpin_work = NULL; |
9638 | intel_crtc->unpin_work = NULL; |
9576 | spin_unlock_irqrestore(&dev->event_lock, flags); |
9639 | spin_unlock_irq(&dev->event_lock); |
9577 | 9640 | ||
9578 | drm_crtc_vblank_put(crtc); |
9641 | drm_crtc_vblank_put(crtc); |
9579 | free_work: |
9642 | free_work: |
9580 | kfree(work); |
9643 | kfree(work); |
9581 | 9644 | ||
9582 | if (ret == -EIO) { |
9645 | if (ret == -EIO) { |
9583 | out_hang: |
9646 | out_hang: |
9584 | intel_crtc_wait_for_pending_flips(crtc); |
9647 | // intel_crtc_wait_for_pending_flips(crtc); |
9585 | ret = intel_pipe_set_base(crtc, crtc->x, crtc->y, fb); |
9648 | ret = intel_pipe_set_base(crtc, crtc->x, crtc->y, fb); |
9586 | if (ret == 0 && event) |
9649 | if (ret == 0 && event) { |
- | 9650 | spin_lock_irq(&dev->event_lock); |
|
9587 | drm_send_vblank_event(dev, pipe, event); |
9651 | drm_send_vblank_event(dev, pipe, event); |
- | 9652 | spin_unlock_irq(&dev->event_lock); |
|
- | 9653 | } |
|
9588 | } |
9654 | } |
9589 | return ret; |
9655 | return ret; |
9590 | } |
9656 | } |
9591 | #endif |
9657 | #endif |
9592 | 9658 | ||
9593 | static struct drm_crtc_helper_funcs intel_helper_funcs = { |
9659 | static struct drm_crtc_helper_funcs intel_helper_funcs = { |
9594 | .mode_set_base_atomic = intel_pipe_set_base_atomic, |
9660 | .mode_set_base_atomic = intel_pipe_set_base_atomic, |
9595 | .load_lut = intel_crtc_load_lut, |
9661 | .load_lut = intel_crtc_load_lut, |
9596 | }; |
9662 | }; |
9597 | 9663 | ||
9598 | /** |
9664 | /** |
9599 | * intel_modeset_update_staged_output_state |
9665 | * intel_modeset_update_staged_output_state |
9600 | * |
9666 | * |
9601 | * Updates the staged output configuration state, e.g. after we've read out the |
9667 | * Updates the staged output configuration state, e.g. after we've read out the |
9602 | * current hw state. |
9668 | * current hw state. |
9603 | */ |
9669 | */ |
9604 | static void intel_modeset_update_staged_output_state(struct drm_device *dev) |
9670 | static void intel_modeset_update_staged_output_state(struct drm_device *dev) |
9605 | { |
9671 | { |
9606 | struct intel_crtc *crtc; |
9672 | struct intel_crtc *crtc; |
9607 | struct intel_encoder *encoder; |
9673 | struct intel_encoder *encoder; |
9608 | struct intel_connector *connector; |
9674 | struct intel_connector *connector; |
9609 | 9675 | ||
9610 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
9676 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
9611 | base.head) { |
9677 | base.head) { |
9612 | connector->new_encoder = |
9678 | connector->new_encoder = |
9613 | to_intel_encoder(connector->base.encoder); |
9679 | to_intel_encoder(connector->base.encoder); |
9614 | } |
9680 | } |
9615 | 9681 | ||
9616 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
- | |
9617 | base.head) { |
9682 | for_each_intel_encoder(dev, encoder) { |
9618 | encoder->new_crtc = |
9683 | encoder->new_crtc = |
9619 | to_intel_crtc(encoder->base.crtc); |
9684 | to_intel_crtc(encoder->base.crtc); |
9620 | } |
9685 | } |
9621 | 9686 | ||
9622 | for_each_intel_crtc(dev, crtc) { |
9687 | for_each_intel_crtc(dev, crtc) { |
9623 | crtc->new_enabled = crtc->base.enabled; |
9688 | crtc->new_enabled = crtc->base.enabled; |
9624 | 9689 | ||
9625 | if (crtc->new_enabled) |
9690 | if (crtc->new_enabled) |
9626 | crtc->new_config = &crtc->config; |
9691 | crtc->new_config = &crtc->config; |
9627 | else |
9692 | else |
9628 | crtc->new_config = NULL; |
9693 | crtc->new_config = NULL; |
9629 | } |
9694 | } |
9630 | } |
9695 | } |
9631 | 9696 | ||
9632 | /** |
9697 | /** |
9633 | * intel_modeset_commit_output_state |
9698 | * intel_modeset_commit_output_state |
9634 | * |
9699 | * |
9635 | * This function copies the stage display pipe configuration to the real one. |
9700 | * This function copies the stage display pipe configuration to the real one. |
9636 | */ |
9701 | */ |
9637 | static void intel_modeset_commit_output_state(struct drm_device *dev) |
9702 | static void intel_modeset_commit_output_state(struct drm_device *dev) |
9638 | { |
9703 | { |
9639 | struct intel_crtc *crtc; |
9704 | struct intel_crtc *crtc; |
9640 | struct intel_encoder *encoder; |
9705 | struct intel_encoder *encoder; |
9641 | struct intel_connector *connector; |
9706 | struct intel_connector *connector; |
9642 | 9707 | ||
9643 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
9708 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
9644 | base.head) { |
9709 | base.head) { |
9645 | connector->base.encoder = &connector->new_encoder->base; |
9710 | connector->base.encoder = &connector->new_encoder->base; |
9646 | } |
9711 | } |
9647 | 9712 | ||
9648 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
- | |
9649 | base.head) { |
9713 | for_each_intel_encoder(dev, encoder) { |
9650 | encoder->base.crtc = &encoder->new_crtc->base; |
9714 | encoder->base.crtc = &encoder->new_crtc->base; |
9651 | } |
9715 | } |
9652 | 9716 | ||
9653 | for_each_intel_crtc(dev, crtc) { |
9717 | for_each_intel_crtc(dev, crtc) { |
9654 | crtc->base.enabled = crtc->new_enabled; |
9718 | crtc->base.enabled = crtc->new_enabled; |
9655 | } |
9719 | } |
9656 | } |
9720 | } |
9657 | 9721 | ||
9658 | static void |
9722 | static void |
9659 | connected_sink_compute_bpp(struct intel_connector *connector, |
9723 | connected_sink_compute_bpp(struct intel_connector *connector, |
9660 | struct intel_crtc_config *pipe_config) |
9724 | struct intel_crtc_config *pipe_config) |
9661 | { |
9725 | { |
9662 | int bpp = pipe_config->pipe_bpp; |
9726 | int bpp = pipe_config->pipe_bpp; |
9663 | 9727 | ||
9664 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] checking for sink bpp constrains\n", |
9728 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] checking for sink bpp constrains\n", |
9665 | connector->base.base.id, |
9729 | connector->base.base.id, |
9666 | connector->base.name); |
9730 | connector->base.name); |
9667 | 9731 | ||
9668 | /* Don't use an invalid EDID bpc value */ |
9732 | /* Don't use an invalid EDID bpc value */ |
9669 | if (connector->base.display_info.bpc && |
9733 | if (connector->base.display_info.bpc && |
9670 | connector->base.display_info.bpc * 3 < bpp) { |
9734 | connector->base.display_info.bpc * 3 < bpp) { |
9671 | DRM_DEBUG_KMS("clamping display bpp (was %d) to EDID reported max of %d\n", |
9735 | DRM_DEBUG_KMS("clamping display bpp (was %d) to EDID reported max of %d\n", |
9672 | bpp, connector->base.display_info.bpc*3); |
9736 | bpp, connector->base.display_info.bpc*3); |
9673 | pipe_config->pipe_bpp = connector->base.display_info.bpc*3; |
9737 | pipe_config->pipe_bpp = connector->base.display_info.bpc*3; |
9674 | } |
9738 | } |
9675 | 9739 | ||
9676 | /* Clamp bpp to 8 on screens without EDID 1.4 */ |
9740 | /* Clamp bpp to 8 on screens without EDID 1.4 */ |
9677 | if (connector->base.display_info.bpc == 0 && bpp > 24) { |
9741 | if (connector->base.display_info.bpc == 0 && bpp > 24) { |
9678 | DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of 24\n", |
9742 | DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of 24\n", |
9679 | bpp); |
9743 | bpp); |
9680 | pipe_config->pipe_bpp = 24; |
9744 | pipe_config->pipe_bpp = 24; |
9681 | } |
9745 | } |
9682 | } |
9746 | } |
9683 | 9747 | ||
9684 | static int |
9748 | static int |
9685 | compute_baseline_pipe_bpp(struct intel_crtc *crtc, |
9749 | compute_baseline_pipe_bpp(struct intel_crtc *crtc, |
9686 | struct drm_framebuffer *fb, |
9750 | struct drm_framebuffer *fb, |
9687 | struct intel_crtc_config *pipe_config) |
9751 | struct intel_crtc_config *pipe_config) |
9688 | { |
9752 | { |
9689 | struct drm_device *dev = crtc->base.dev; |
9753 | struct drm_device *dev = crtc->base.dev; |
9690 | struct intel_connector *connector; |
9754 | struct intel_connector *connector; |
9691 | int bpp; |
9755 | int bpp; |
9692 | 9756 | ||
9693 | switch (fb->pixel_format) { |
9757 | switch (fb->pixel_format) { |
9694 | case DRM_FORMAT_C8: |
9758 | case DRM_FORMAT_C8: |
9695 | bpp = 8*3; /* since we go through a colormap */ |
9759 | bpp = 8*3; /* since we go through a colormap */ |
9696 | break; |
9760 | break; |
9697 | case DRM_FORMAT_XRGB1555: |
9761 | case DRM_FORMAT_XRGB1555: |
9698 | case DRM_FORMAT_ARGB1555: |
9762 | case DRM_FORMAT_ARGB1555: |
9699 | /* checked in intel_framebuffer_init already */ |
9763 | /* checked in intel_framebuffer_init already */ |
9700 | if (WARN_ON(INTEL_INFO(dev)->gen > 3)) |
9764 | if (WARN_ON(INTEL_INFO(dev)->gen > 3)) |
9701 | return -EINVAL; |
9765 | return -EINVAL; |
9702 | case DRM_FORMAT_RGB565: |
9766 | case DRM_FORMAT_RGB565: |
9703 | bpp = 6*3; /* min is 18bpp */ |
9767 | bpp = 6*3; /* min is 18bpp */ |
9704 | break; |
9768 | break; |
9705 | case DRM_FORMAT_XBGR8888: |
9769 | case DRM_FORMAT_XBGR8888: |
9706 | case DRM_FORMAT_ABGR8888: |
9770 | case DRM_FORMAT_ABGR8888: |
9707 | /* checked in intel_framebuffer_init already */ |
9771 | /* checked in intel_framebuffer_init already */ |
9708 | if (WARN_ON(INTEL_INFO(dev)->gen < 4)) |
9772 | if (WARN_ON(INTEL_INFO(dev)->gen < 4)) |
9709 | return -EINVAL; |
9773 | return -EINVAL; |
9710 | case DRM_FORMAT_XRGB8888: |
9774 | case DRM_FORMAT_XRGB8888: |
9711 | case DRM_FORMAT_ARGB8888: |
9775 | case DRM_FORMAT_ARGB8888: |
9712 | bpp = 8*3; |
9776 | bpp = 8*3; |
9713 | break; |
9777 | break; |
9714 | case DRM_FORMAT_XRGB2101010: |
9778 | case DRM_FORMAT_XRGB2101010: |
9715 | case DRM_FORMAT_ARGB2101010: |
9779 | case DRM_FORMAT_ARGB2101010: |
9716 | case DRM_FORMAT_XBGR2101010: |
9780 | case DRM_FORMAT_XBGR2101010: |
9717 | case DRM_FORMAT_ABGR2101010: |
9781 | case DRM_FORMAT_ABGR2101010: |
9718 | /* checked in intel_framebuffer_init already */ |
9782 | /* checked in intel_framebuffer_init already */ |
9719 | if (WARN_ON(INTEL_INFO(dev)->gen < 4)) |
9783 | if (WARN_ON(INTEL_INFO(dev)->gen < 4)) |
9720 | return -EINVAL; |
9784 | return -EINVAL; |
9721 | bpp = 10*3; |
9785 | bpp = 10*3; |
9722 | break; |
9786 | break; |
9723 | /* TODO: gen4+ supports 16 bpc floating point, too. */ |
9787 | /* TODO: gen4+ supports 16 bpc floating point, too. */ |
9724 | default: |
9788 | default: |
9725 | DRM_DEBUG_KMS("unsupported depth\n"); |
9789 | DRM_DEBUG_KMS("unsupported depth\n"); |
9726 | return -EINVAL; |
9790 | return -EINVAL; |
9727 | } |
9791 | } |
9728 | 9792 | ||
9729 | pipe_config->pipe_bpp = bpp; |
9793 | pipe_config->pipe_bpp = bpp; |
9730 | 9794 | ||
9731 | /* Clamp display bpp to EDID value */ |
9795 | /* Clamp display bpp to EDID value */ |
9732 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
9796 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
9733 | base.head) { |
9797 | base.head) { |
9734 | if (!connector->new_encoder || |
9798 | if (!connector->new_encoder || |
9735 | connector->new_encoder->new_crtc != crtc) |
9799 | connector->new_encoder->new_crtc != crtc) |
9736 | continue; |
9800 | continue; |
9737 | 9801 | ||
9738 | connected_sink_compute_bpp(connector, pipe_config); |
9802 | connected_sink_compute_bpp(connector, pipe_config); |
9739 | } |
9803 | } |
9740 | 9804 | ||
9741 | return bpp; |
9805 | return bpp; |
9742 | } |
9806 | } |
9743 | 9807 | ||
9744 | static void intel_dump_crtc_timings(const struct drm_display_mode *mode) |
9808 | static void intel_dump_crtc_timings(const struct drm_display_mode *mode) |
9745 | { |
9809 | { |
9746 | DRM_DEBUG_KMS("crtc timings: %d %d %d %d %d %d %d %d %d, " |
9810 | DRM_DEBUG_KMS("crtc timings: %d %d %d %d %d %d %d %d %d, " |
9747 | "type: 0x%x flags: 0x%x\n", |
9811 | "type: 0x%x flags: 0x%x\n", |
9748 | mode->crtc_clock, |
9812 | mode->crtc_clock, |
9749 | mode->crtc_hdisplay, mode->crtc_hsync_start, |
9813 | mode->crtc_hdisplay, mode->crtc_hsync_start, |
9750 | mode->crtc_hsync_end, mode->crtc_htotal, |
9814 | mode->crtc_hsync_end, mode->crtc_htotal, |
9751 | mode->crtc_vdisplay, mode->crtc_vsync_start, |
9815 | mode->crtc_vdisplay, mode->crtc_vsync_start, |
9752 | mode->crtc_vsync_end, mode->crtc_vtotal, mode->type, mode->flags); |
9816 | mode->crtc_vsync_end, mode->crtc_vtotal, mode->type, mode->flags); |
9753 | } |
9817 | } |
9754 | 9818 | ||
9755 | static void intel_dump_pipe_config(struct intel_crtc *crtc, |
9819 | static void intel_dump_pipe_config(struct intel_crtc *crtc, |
9756 | struct intel_crtc_config *pipe_config, |
9820 | struct intel_crtc_config *pipe_config, |
9757 | const char *context) |
9821 | const char *context) |
9758 | { |
9822 | { |
9759 | DRM_DEBUG_KMS("[CRTC:%d]%s config for pipe %c\n", crtc->base.base.id, |
9823 | DRM_DEBUG_KMS("[CRTC:%d]%s config for pipe %c\n", crtc->base.base.id, |
9760 | context, pipe_name(crtc->pipe)); |
9824 | context, pipe_name(crtc->pipe)); |
9761 | 9825 | ||
9762 | DRM_DEBUG_KMS("cpu_transcoder: %c\n", transcoder_name(pipe_config->cpu_transcoder)); |
9826 | DRM_DEBUG_KMS("cpu_transcoder: %c\n", transcoder_name(pipe_config->cpu_transcoder)); |
9763 | DRM_DEBUG_KMS("pipe bpp: %i, dithering: %i\n", |
9827 | DRM_DEBUG_KMS("pipe bpp: %i, dithering: %i\n", |
9764 | pipe_config->pipe_bpp, pipe_config->dither); |
9828 | pipe_config->pipe_bpp, pipe_config->dither); |
9765 | DRM_DEBUG_KMS("fdi/pch: %i, lanes: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", |
9829 | DRM_DEBUG_KMS("fdi/pch: %i, lanes: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", |
9766 | pipe_config->has_pch_encoder, |
9830 | pipe_config->has_pch_encoder, |
9767 | pipe_config->fdi_lanes, |
9831 | pipe_config->fdi_lanes, |
9768 | pipe_config->fdi_m_n.gmch_m, pipe_config->fdi_m_n.gmch_n, |
9832 | pipe_config->fdi_m_n.gmch_m, pipe_config->fdi_m_n.gmch_n, |
9769 | pipe_config->fdi_m_n.link_m, pipe_config->fdi_m_n.link_n, |
9833 | pipe_config->fdi_m_n.link_m, pipe_config->fdi_m_n.link_n, |
9770 | pipe_config->fdi_m_n.tu); |
9834 | pipe_config->fdi_m_n.tu); |
9771 | DRM_DEBUG_KMS("dp: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", |
9835 | DRM_DEBUG_KMS("dp: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", |
9772 | pipe_config->has_dp_encoder, |
9836 | pipe_config->has_dp_encoder, |
9773 | pipe_config->dp_m_n.gmch_m, pipe_config->dp_m_n.gmch_n, |
9837 | pipe_config->dp_m_n.gmch_m, pipe_config->dp_m_n.gmch_n, |
9774 | pipe_config->dp_m_n.link_m, pipe_config->dp_m_n.link_n, |
9838 | pipe_config->dp_m_n.link_m, pipe_config->dp_m_n.link_n, |
9775 | pipe_config->dp_m_n.tu); |
9839 | pipe_config->dp_m_n.tu); |
- | 9840 | ||
- | 9841 | DRM_DEBUG_KMS("dp: %i, gmch_m2: %u, gmch_n2: %u, link_m2: %u, link_n2: %u, tu2: %u\n", |
|
- | 9842 | pipe_config->has_dp_encoder, |
|
- | 9843 | pipe_config->dp_m2_n2.gmch_m, |
|
- | 9844 | pipe_config->dp_m2_n2.gmch_n, |
|
- | 9845 | pipe_config->dp_m2_n2.link_m, |
|
- | 9846 | pipe_config->dp_m2_n2.link_n, |
|
- | 9847 | pipe_config->dp_m2_n2.tu); |
|
- | 9848 | ||
- | 9849 | DRM_DEBUG_KMS("audio: %i, infoframes: %i\n", |
|
- | 9850 | pipe_config->has_audio, |
|
- | 9851 | pipe_config->has_infoframe); |
|
- | 9852 | ||
9776 | DRM_DEBUG_KMS("requested mode:\n"); |
9853 | DRM_DEBUG_KMS("requested mode:\n"); |
9777 | drm_mode_debug_printmodeline(&pipe_config->requested_mode); |
9854 | drm_mode_debug_printmodeline(&pipe_config->requested_mode); |
9778 | DRM_DEBUG_KMS("adjusted mode:\n"); |
9855 | DRM_DEBUG_KMS("adjusted mode:\n"); |
9779 | drm_mode_debug_printmodeline(&pipe_config->adjusted_mode); |
9856 | drm_mode_debug_printmodeline(&pipe_config->adjusted_mode); |
9780 | intel_dump_crtc_timings(&pipe_config->adjusted_mode); |
9857 | intel_dump_crtc_timings(&pipe_config->adjusted_mode); |
9781 | DRM_DEBUG_KMS("port clock: %d\n", pipe_config->port_clock); |
9858 | DRM_DEBUG_KMS("port clock: %d\n", pipe_config->port_clock); |
9782 | DRM_DEBUG_KMS("pipe src size: %dx%d\n", |
9859 | DRM_DEBUG_KMS("pipe src size: %dx%d\n", |
9783 | pipe_config->pipe_src_w, pipe_config->pipe_src_h); |
9860 | pipe_config->pipe_src_w, pipe_config->pipe_src_h); |
9784 | DRM_DEBUG_KMS("gmch pfit: control: 0x%08x, ratios: 0x%08x, lvds border: 0x%08x\n", |
9861 | DRM_DEBUG_KMS("gmch pfit: control: 0x%08x, ratios: 0x%08x, lvds border: 0x%08x\n", |
9785 | pipe_config->gmch_pfit.control, |
9862 | pipe_config->gmch_pfit.control, |
9786 | pipe_config->gmch_pfit.pgm_ratios, |
9863 | pipe_config->gmch_pfit.pgm_ratios, |
9787 | pipe_config->gmch_pfit.lvds_border_bits); |
9864 | pipe_config->gmch_pfit.lvds_border_bits); |
9788 | DRM_DEBUG_KMS("pch pfit: pos: 0x%08x, size: 0x%08x, %s\n", |
9865 | DRM_DEBUG_KMS("pch pfit: pos: 0x%08x, size: 0x%08x, %s\n", |
9789 | pipe_config->pch_pfit.pos, |
9866 | pipe_config->pch_pfit.pos, |
9790 | pipe_config->pch_pfit.size, |
9867 | pipe_config->pch_pfit.size, |
9791 | pipe_config->pch_pfit.enabled ? "enabled" : "disabled"); |
9868 | pipe_config->pch_pfit.enabled ? "enabled" : "disabled"); |
9792 | DRM_DEBUG_KMS("ips: %i\n", pipe_config->ips_enabled); |
9869 | DRM_DEBUG_KMS("ips: %i\n", pipe_config->ips_enabled); |
9793 | DRM_DEBUG_KMS("double wide: %i\n", pipe_config->double_wide); |
9870 | DRM_DEBUG_KMS("double wide: %i\n", pipe_config->double_wide); |
9794 | } |
9871 | } |
9795 | 9872 | ||
9796 | static bool encoders_cloneable(const struct intel_encoder *a, |
9873 | static bool encoders_cloneable(const struct intel_encoder *a, |
9797 | const struct intel_encoder *b) |
9874 | const struct intel_encoder *b) |
9798 | { |
9875 | { |
9799 | /* masks could be asymmetric, so check both ways */ |
9876 | /* masks could be asymmetric, so check both ways */ |
9800 | return a == b || (a->cloneable & (1 << b->type) && |
9877 | return a == b || (a->cloneable & (1 << b->type) && |
9801 | b->cloneable & (1 << a->type)); |
9878 | b->cloneable & (1 << a->type)); |
9802 | } |
9879 | } |
9803 | 9880 | ||
9804 | static bool check_single_encoder_cloning(struct intel_crtc *crtc, |
9881 | static bool check_single_encoder_cloning(struct intel_crtc *crtc, |
9805 | struct intel_encoder *encoder) |
9882 | struct intel_encoder *encoder) |
9806 | { |
9883 | { |
9807 | struct drm_device *dev = crtc->base.dev; |
9884 | struct drm_device *dev = crtc->base.dev; |
9808 | struct intel_encoder *source_encoder; |
9885 | struct intel_encoder *source_encoder; |
9809 | 9886 | ||
9810 | list_for_each_entry(source_encoder, |
- | |
9811 | &dev->mode_config.encoder_list, base.head) { |
9887 | for_each_intel_encoder(dev, source_encoder) { |
9812 | if (source_encoder->new_crtc != crtc) |
9888 | if (source_encoder->new_crtc != crtc) |
9813 | continue; |
9889 | continue; |
9814 | 9890 | ||
9815 | if (!encoders_cloneable(encoder, source_encoder)) |
9891 | if (!encoders_cloneable(encoder, source_encoder)) |
9816 | return false; |
9892 | return false; |
9817 | } |
9893 | } |
9818 | 9894 | ||
9819 | return true; |
9895 | return true; |
9820 | } |
9896 | } |
9821 | 9897 | ||
9822 | static bool check_encoder_cloning(struct intel_crtc *crtc) |
9898 | static bool check_encoder_cloning(struct intel_crtc *crtc) |
9823 | { |
9899 | { |
9824 | struct drm_device *dev = crtc->base.dev; |
9900 | struct drm_device *dev = crtc->base.dev; |
9825 | struct intel_encoder *encoder; |
9901 | struct intel_encoder *encoder; |
9826 | 9902 | ||
9827 | list_for_each_entry(encoder, |
- | |
9828 | &dev->mode_config.encoder_list, base.head) { |
9903 | for_each_intel_encoder(dev, encoder) { |
9829 | if (encoder->new_crtc != crtc) |
9904 | if (encoder->new_crtc != crtc) |
9830 | continue; |
9905 | continue; |
9831 | 9906 | ||
9832 | if (!check_single_encoder_cloning(crtc, encoder)) |
9907 | if (!check_single_encoder_cloning(crtc, encoder)) |
9833 | return false; |
9908 | return false; |
9834 | } |
9909 | } |
9835 | 9910 | ||
9836 | return true; |
9911 | return true; |
9837 | } |
9912 | } |
- | 9913 | ||
- | 9914 | static bool check_digital_port_conflicts(struct drm_device *dev) |
|
- | 9915 | { |
|
- | 9916 | struct intel_connector *connector; |
|
- | 9917 | unsigned int used_ports = 0; |
|
- | 9918 | ||
- | 9919 | /* |
|
- | 9920 | * Walk the connector list instead of the encoder |
|
- | 9921 | * list to detect the problem on ddi platforms |
|
- | 9922 | * where there's just one encoder per digital port. |
|
- | 9923 | */ |
|
- | 9924 | list_for_each_entry(connector, |
|
- | 9925 | &dev->mode_config.connector_list, base.head) { |
|
- | 9926 | struct intel_encoder *encoder = connector->new_encoder; |
|
- | 9927 | ||
- | 9928 | if (!encoder) |
|
- | 9929 | continue; |
|
- | 9930 | ||
- | 9931 | WARN_ON(!encoder->new_crtc); |
|
- | 9932 | ||
- | 9933 | switch (encoder->type) { |
|
- | 9934 | unsigned int port_mask; |
|
- | 9935 | case INTEL_OUTPUT_UNKNOWN: |
|
- | 9936 | if (WARN_ON(!HAS_DDI(dev))) |
|
- | 9937 | break; |
|
- | 9938 | case INTEL_OUTPUT_DISPLAYPORT: |
|
- | 9939 | case INTEL_OUTPUT_HDMI: |
|
- | 9940 | case INTEL_OUTPUT_EDP: |
|
- | 9941 | port_mask = 1 << enc_to_dig_port(&encoder->base)->port; |
|
- | 9942 | ||
- | 9943 | /* the same port mustn't appear more than once */ |
|
- | 9944 | if (used_ports & port_mask) |
|
- | 9945 | return false; |
|
- | 9946 | ||
- | 9947 | used_ports |= port_mask; |
|
- | 9948 | default: |
|
- | 9949 | break; |
|
- | 9950 | } |
|
- | 9951 | } |
|
- | 9952 | ||
- | 9953 | return true; |
|
- | 9954 | } |
|
9838 | 9955 | ||
9839 | static struct intel_crtc_config * |
9956 | static struct intel_crtc_config * |
9840 | intel_modeset_pipe_config(struct drm_crtc *crtc, |
9957 | intel_modeset_pipe_config(struct drm_crtc *crtc, |
9841 | struct drm_framebuffer *fb, |
9958 | struct drm_framebuffer *fb, |
9842 | struct drm_display_mode *mode) |
9959 | struct drm_display_mode *mode) |
9843 | { |
9960 | { |
9844 | struct drm_device *dev = crtc->dev; |
9961 | struct drm_device *dev = crtc->dev; |
9845 | struct intel_encoder *encoder; |
9962 | struct intel_encoder *encoder; |
9846 | struct intel_crtc_config *pipe_config; |
9963 | struct intel_crtc_config *pipe_config; |
9847 | int plane_bpp, ret = -EINVAL; |
9964 | int plane_bpp, ret = -EINVAL; |
9848 | bool retry = true; |
9965 | bool retry = true; |
9849 | 9966 | ||
9850 | if (!check_encoder_cloning(to_intel_crtc(crtc))) { |
9967 | if (!check_encoder_cloning(to_intel_crtc(crtc))) { |
9851 | DRM_DEBUG_KMS("rejecting invalid cloning configuration\n"); |
9968 | DRM_DEBUG_KMS("rejecting invalid cloning configuration\n"); |
9852 | return ERR_PTR(-EINVAL); |
9969 | return ERR_PTR(-EINVAL); |
9853 | } |
9970 | } |
- | 9971 | ||
- | 9972 | if (!check_digital_port_conflicts(dev)) { |
|
- | 9973 | DRM_DEBUG_KMS("rejecting conflicting digital port configuration\n"); |
|
- | 9974 | return ERR_PTR(-EINVAL); |
|
- | 9975 | } |
|
9854 | 9976 | ||
9855 | pipe_config = kzalloc(sizeof(*pipe_config), GFP_KERNEL); |
9977 | pipe_config = kzalloc(sizeof(*pipe_config), GFP_KERNEL); |
9856 | if (!pipe_config) |
9978 | if (!pipe_config) |
9857 | return ERR_PTR(-ENOMEM); |
9979 | return ERR_PTR(-ENOMEM); |
9858 | 9980 | ||
9859 | drm_mode_copy(&pipe_config->adjusted_mode, mode); |
9981 | drm_mode_copy(&pipe_config->adjusted_mode, mode); |
9860 | drm_mode_copy(&pipe_config->requested_mode, mode); |
9982 | drm_mode_copy(&pipe_config->requested_mode, mode); |
9861 | 9983 | ||
9862 | pipe_config->cpu_transcoder = |
9984 | pipe_config->cpu_transcoder = |
9863 | (enum transcoder) to_intel_crtc(crtc)->pipe; |
9985 | (enum transcoder) to_intel_crtc(crtc)->pipe; |
9864 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
9986 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
9865 | 9987 | ||
9866 | /* |
9988 | /* |
9867 | * Sanitize sync polarity flags based on requested ones. If neither |
9989 | * Sanitize sync polarity flags based on requested ones. If neither |
9868 | * positive or negative polarity is requested, treat this as meaning |
9990 | * positive or negative polarity is requested, treat this as meaning |
9869 | * negative polarity. |
9991 | * negative polarity. |
9870 | */ |
9992 | */ |
9871 | if (!(pipe_config->adjusted_mode.flags & |
9993 | if (!(pipe_config->adjusted_mode.flags & |
9872 | (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NHSYNC))) |
9994 | (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NHSYNC))) |
9873 | pipe_config->adjusted_mode.flags |= DRM_MODE_FLAG_NHSYNC; |
9995 | pipe_config->adjusted_mode.flags |= DRM_MODE_FLAG_NHSYNC; |
9874 | 9996 | ||
9875 | if (!(pipe_config->adjusted_mode.flags & |
9997 | if (!(pipe_config->adjusted_mode.flags & |
9876 | (DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC))) |
9998 | (DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC))) |
9877 | pipe_config->adjusted_mode.flags |= DRM_MODE_FLAG_NVSYNC; |
9999 | pipe_config->adjusted_mode.flags |= DRM_MODE_FLAG_NVSYNC; |
9878 | 10000 | ||
9879 | /* Compute a starting value for pipe_config->pipe_bpp taking the source |
10001 | /* Compute a starting value for pipe_config->pipe_bpp taking the source |
9880 | * plane pixel format and any sink constraints into account. Returns the |
10002 | * plane pixel format and any sink constraints into account. Returns the |
9881 | * source plane bpp so that dithering can be selected on mismatches |
10003 | * source plane bpp so that dithering can be selected on mismatches |
9882 | * after encoders and crtc also have had their say. */ |
10004 | * after encoders and crtc also have had their say. */ |
9883 | plane_bpp = compute_baseline_pipe_bpp(to_intel_crtc(crtc), |
10005 | plane_bpp = compute_baseline_pipe_bpp(to_intel_crtc(crtc), |
9884 | fb, pipe_config); |
10006 | fb, pipe_config); |
9885 | if (plane_bpp < 0) |
10007 | if (plane_bpp < 0) |
9886 | goto fail; |
10008 | goto fail; |
9887 | 10009 | ||
9888 | /* |
10010 | /* |
9889 | * Determine the real pipe dimensions. Note that stereo modes can |
10011 | * Determine the real pipe dimensions. Note that stereo modes can |
9890 | * increase the actual pipe size due to the frame doubling and |
10012 | * increase the actual pipe size due to the frame doubling and |
9891 | * insertion of additional space for blanks between the frame. This |
10013 | * insertion of additional space for blanks between the frame. This |
9892 | * is stored in the crtc timings. We use the requested mode to do this |
10014 | * is stored in the crtc timings. We use the requested mode to do this |
9893 | * computation to clearly distinguish it from the adjusted mode, which |
10015 | * computation to clearly distinguish it from the adjusted mode, which |
9894 | * can be changed by the connectors in the below retry loop. |
10016 | * can be changed by the connectors in the below retry loop. |
9895 | */ |
10017 | */ |
9896 | drm_mode_set_crtcinfo(&pipe_config->requested_mode, CRTC_STEREO_DOUBLE); |
10018 | drm_mode_set_crtcinfo(&pipe_config->requested_mode, CRTC_STEREO_DOUBLE); |
9897 | pipe_config->pipe_src_w = pipe_config->requested_mode.crtc_hdisplay; |
10019 | pipe_config->pipe_src_w = pipe_config->requested_mode.crtc_hdisplay; |
9898 | pipe_config->pipe_src_h = pipe_config->requested_mode.crtc_vdisplay; |
10020 | pipe_config->pipe_src_h = pipe_config->requested_mode.crtc_vdisplay; |
9899 | 10021 | ||
9900 | encoder_retry: |
10022 | encoder_retry: |
9901 | /* Ensure the port clock defaults are reset when retrying. */ |
10023 | /* Ensure the port clock defaults are reset when retrying. */ |
9902 | pipe_config->port_clock = 0; |
10024 | pipe_config->port_clock = 0; |
9903 | pipe_config->pixel_multiplier = 1; |
10025 | pipe_config->pixel_multiplier = 1; |
9904 | 10026 | ||
9905 | /* Fill in default crtc timings, allow encoders to overwrite them. */ |
10027 | /* Fill in default crtc timings, allow encoders to overwrite them. */ |
9906 | drm_mode_set_crtcinfo(&pipe_config->adjusted_mode, CRTC_STEREO_DOUBLE); |
10028 | drm_mode_set_crtcinfo(&pipe_config->adjusted_mode, CRTC_STEREO_DOUBLE); |
9907 | 10029 | ||
9908 | /* Pass our mode to the connectors and the CRTC to give them a chance to |
10030 | /* Pass our mode to the connectors and the CRTC to give them a chance to |
9909 | * adjust it according to limitations or connector properties, and also |
10031 | * adjust it according to limitations or connector properties, and also |
9910 | * a chance to reject the mode entirely. |
10032 | * a chance to reject the mode entirely. |
9911 | */ |
10033 | */ |
9912 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
10034 | for_each_intel_encoder(dev, encoder) { |
9913 | base.head) { |
- | |
9914 | 10035 | ||
9915 | if (&encoder->new_crtc->base != crtc) |
10036 | if (&encoder->new_crtc->base != crtc) |
9916 | continue; |
10037 | continue; |
9917 | 10038 | ||
9918 | if (!(encoder->compute_config(encoder, pipe_config))) { |
10039 | if (!(encoder->compute_config(encoder, pipe_config))) { |
9919 | DRM_DEBUG_KMS("Encoder config failure\n"); |
10040 | DRM_DEBUG_KMS("Encoder config failure\n"); |
9920 | goto fail; |
10041 | goto fail; |
9921 | } |
10042 | } |
9922 | } |
10043 | } |
9923 | 10044 | ||
9924 | /* Set default port clock if not overwritten by the encoder. Needs to be |
10045 | /* Set default port clock if not overwritten by the encoder. Needs to be |
9925 | * done afterwards in case the encoder adjusts the mode. */ |
10046 | * done afterwards in case the encoder adjusts the mode. */ |
9926 | if (!pipe_config->port_clock) |
10047 | if (!pipe_config->port_clock) |
9927 | pipe_config->port_clock = pipe_config->adjusted_mode.crtc_clock |
10048 | pipe_config->port_clock = pipe_config->adjusted_mode.crtc_clock |
9928 | * pipe_config->pixel_multiplier; |
10049 | * pipe_config->pixel_multiplier; |
9929 | 10050 | ||
9930 | ret = intel_crtc_compute_config(to_intel_crtc(crtc), pipe_config); |
10051 | ret = intel_crtc_compute_config(to_intel_crtc(crtc), pipe_config); |
9931 | if (ret < 0) { |
10052 | if (ret < 0) { |
9932 | DRM_DEBUG_KMS("CRTC fixup failed\n"); |
10053 | DRM_DEBUG_KMS("CRTC fixup failed\n"); |
9933 | goto fail; |
10054 | goto fail; |
9934 | } |
10055 | } |
9935 | 10056 | ||
9936 | if (ret == RETRY) { |
10057 | if (ret == RETRY) { |
9937 | if (WARN(!retry, "loop in pipe configuration computation\n")) { |
10058 | if (WARN(!retry, "loop in pipe configuration computation\n")) { |
9938 | ret = -EINVAL; |
10059 | ret = -EINVAL; |
9939 | goto fail; |
10060 | goto fail; |
9940 | } |
10061 | } |
9941 | 10062 | ||
9942 | DRM_DEBUG_KMS("CRTC bw constrained, retrying\n"); |
10063 | DRM_DEBUG_KMS("CRTC bw constrained, retrying\n"); |
9943 | retry = false; |
10064 | retry = false; |
9944 | goto encoder_retry; |
10065 | goto encoder_retry; |
9945 | } |
10066 | } |
9946 | 10067 | ||
9947 | pipe_config->dither = pipe_config->pipe_bpp != plane_bpp; |
10068 | pipe_config->dither = pipe_config->pipe_bpp != plane_bpp; |
9948 | DRM_DEBUG_KMS("plane bpp: %i, pipe bpp: %i, dithering: %i\n", |
10069 | DRM_DEBUG_KMS("plane bpp: %i, pipe bpp: %i, dithering: %i\n", |
9949 | plane_bpp, pipe_config->pipe_bpp, pipe_config->dither); |
10070 | plane_bpp, pipe_config->pipe_bpp, pipe_config->dither); |
9950 | 10071 | ||
9951 | return pipe_config; |
10072 | return pipe_config; |
9952 | fail: |
10073 | fail: |
9953 | kfree(pipe_config); |
10074 | kfree(pipe_config); |
9954 | return ERR_PTR(ret); |
10075 | return ERR_PTR(ret); |
9955 | } |
10076 | } |
9956 | 10077 | ||
9957 | /* Computes which crtcs are affected and sets the relevant bits in the mask. For |
10078 | /* Computes which crtcs are affected and sets the relevant bits in the mask. For |
9958 | * simplicity we use the crtc's pipe number (because it's easier to obtain). */ |
10079 | * simplicity we use the crtc's pipe number (because it's easier to obtain). */ |
9959 | static void |
10080 | static void |
9960 | intel_modeset_affected_pipes(struct drm_crtc *crtc, unsigned *modeset_pipes, |
10081 | intel_modeset_affected_pipes(struct drm_crtc *crtc, unsigned *modeset_pipes, |
9961 | unsigned *prepare_pipes, unsigned *disable_pipes) |
10082 | unsigned *prepare_pipes, unsigned *disable_pipes) |
9962 | { |
10083 | { |
9963 | struct intel_crtc *intel_crtc; |
10084 | struct intel_crtc *intel_crtc; |
9964 | struct drm_device *dev = crtc->dev; |
10085 | struct drm_device *dev = crtc->dev; |
9965 | struct intel_encoder *encoder; |
10086 | struct intel_encoder *encoder; |
9966 | struct intel_connector *connector; |
10087 | struct intel_connector *connector; |
9967 | struct drm_crtc *tmp_crtc; |
10088 | struct drm_crtc *tmp_crtc; |
9968 | 10089 | ||
9969 | *disable_pipes = *modeset_pipes = *prepare_pipes = 0; |
10090 | *disable_pipes = *modeset_pipes = *prepare_pipes = 0; |
9970 | 10091 | ||
9971 | /* Check which crtcs have changed outputs connected to them, these need |
10092 | /* Check which crtcs have changed outputs connected to them, these need |
9972 | * to be part of the prepare_pipes mask. We don't (yet) support global |
10093 | * to be part of the prepare_pipes mask. We don't (yet) support global |
9973 | * modeset across multiple crtcs, so modeset_pipes will only have one |
10094 | * modeset across multiple crtcs, so modeset_pipes will only have one |
9974 | * bit set at most. */ |
10095 | * bit set at most. */ |
9975 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
10096 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
9976 | base.head) { |
10097 | base.head) { |
9977 | if (connector->base.encoder == &connector->new_encoder->base) |
10098 | if (connector->base.encoder == &connector->new_encoder->base) |
9978 | continue; |
10099 | continue; |
9979 | 10100 | ||
9980 | if (connector->base.encoder) { |
10101 | if (connector->base.encoder) { |
9981 | tmp_crtc = connector->base.encoder->crtc; |
10102 | tmp_crtc = connector->base.encoder->crtc; |
9982 | 10103 | ||
9983 | *prepare_pipes |= 1 << to_intel_crtc(tmp_crtc)->pipe; |
10104 | *prepare_pipes |= 1 << to_intel_crtc(tmp_crtc)->pipe; |
9984 | } |
10105 | } |
9985 | 10106 | ||
9986 | if (connector->new_encoder) |
10107 | if (connector->new_encoder) |
9987 | *prepare_pipes |= |
10108 | *prepare_pipes |= |
9988 | 1 << connector->new_encoder->new_crtc->pipe; |
10109 | 1 << connector->new_encoder->new_crtc->pipe; |
9989 | } |
10110 | } |
9990 | 10111 | ||
9991 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
- | |
9992 | base.head) { |
10112 | for_each_intel_encoder(dev, encoder) { |
9993 | if (encoder->base.crtc == &encoder->new_crtc->base) |
10113 | if (encoder->base.crtc == &encoder->new_crtc->base) |
9994 | continue; |
10114 | continue; |
9995 | 10115 | ||
9996 | if (encoder->base.crtc) { |
10116 | if (encoder->base.crtc) { |
9997 | tmp_crtc = encoder->base.crtc; |
10117 | tmp_crtc = encoder->base.crtc; |
9998 | 10118 | ||
9999 | *prepare_pipes |= 1 << to_intel_crtc(tmp_crtc)->pipe; |
10119 | *prepare_pipes |= 1 << to_intel_crtc(tmp_crtc)->pipe; |
10000 | } |
10120 | } |
10001 | 10121 | ||
10002 | if (encoder->new_crtc) |
10122 | if (encoder->new_crtc) |
10003 | *prepare_pipes |= 1 << encoder->new_crtc->pipe; |
10123 | *prepare_pipes |= 1 << encoder->new_crtc->pipe; |
10004 | } |
10124 | } |
10005 | 10125 | ||
10006 | /* Check for pipes that will be enabled/disabled ... */ |
10126 | /* Check for pipes that will be enabled/disabled ... */ |
10007 | for_each_intel_crtc(dev, intel_crtc) { |
10127 | for_each_intel_crtc(dev, intel_crtc) { |
10008 | if (intel_crtc->base.enabled == intel_crtc->new_enabled) |
10128 | if (intel_crtc->base.enabled == intel_crtc->new_enabled) |
10009 | continue; |
10129 | continue; |
10010 | 10130 | ||
10011 | if (!intel_crtc->new_enabled) |
10131 | if (!intel_crtc->new_enabled) |
10012 | *disable_pipes |= 1 << intel_crtc->pipe; |
10132 | *disable_pipes |= 1 << intel_crtc->pipe; |
10013 | else |
10133 | else |
10014 | *prepare_pipes |= 1 << intel_crtc->pipe; |
10134 | *prepare_pipes |= 1 << intel_crtc->pipe; |
10015 | } |
10135 | } |
10016 | 10136 | ||
10017 | 10137 | ||
10018 | /* set_mode is also used to update properties on life display pipes. */ |
10138 | /* set_mode is also used to update properties on life display pipes. */ |
10019 | intel_crtc = to_intel_crtc(crtc); |
10139 | intel_crtc = to_intel_crtc(crtc); |
10020 | if (intel_crtc->new_enabled) |
10140 | if (intel_crtc->new_enabled) |
10021 | *prepare_pipes |= 1 << intel_crtc->pipe; |
10141 | *prepare_pipes |= 1 << intel_crtc->pipe; |
10022 | 10142 | ||
10023 | /* |
10143 | /* |
10024 | * For simplicity do a full modeset on any pipe where the output routing |
10144 | * For simplicity do a full modeset on any pipe where the output routing |
10025 | * changed. We could be more clever, but that would require us to be |
10145 | * changed. We could be more clever, but that would require us to be |
10026 | * more careful with calling the relevant encoder->mode_set functions. |
10146 | * more careful with calling the relevant encoder->mode_set functions. |
10027 | */ |
10147 | */ |
10028 | if (*prepare_pipes) |
10148 | if (*prepare_pipes) |
10029 | *modeset_pipes = *prepare_pipes; |
10149 | *modeset_pipes = *prepare_pipes; |
10030 | 10150 | ||
10031 | /* ... and mask these out. */ |
10151 | /* ... and mask these out. */ |
10032 | *modeset_pipes &= ~(*disable_pipes); |
10152 | *modeset_pipes &= ~(*disable_pipes); |
10033 | *prepare_pipes &= ~(*disable_pipes); |
10153 | *prepare_pipes &= ~(*disable_pipes); |
10034 | 10154 | ||
10035 | /* |
10155 | /* |
10036 | * HACK: We don't (yet) fully support global modesets. intel_set_config |
10156 | * HACK: We don't (yet) fully support global modesets. intel_set_config |
10037 | * obies this rule, but the modeset restore mode of |
10157 | * obies this rule, but the modeset restore mode of |
10038 | * intel_modeset_setup_hw_state does not. |
10158 | * intel_modeset_setup_hw_state does not. |
10039 | */ |
10159 | */ |
10040 | *modeset_pipes &= 1 << intel_crtc->pipe; |
10160 | *modeset_pipes &= 1 << intel_crtc->pipe; |
10041 | *prepare_pipes &= 1 << intel_crtc->pipe; |
10161 | *prepare_pipes &= 1 << intel_crtc->pipe; |
10042 | 10162 | ||
10043 | DRM_DEBUG_KMS("set mode pipe masks: modeset: %x, prepare: %x, disable: %x\n", |
10163 | DRM_DEBUG_KMS("set mode pipe masks: modeset: %x, prepare: %x, disable: %x\n", |
10044 | *modeset_pipes, *prepare_pipes, *disable_pipes); |
10164 | *modeset_pipes, *prepare_pipes, *disable_pipes); |
10045 | } |
10165 | } |
10046 | 10166 | ||
10047 | static bool intel_crtc_in_use(struct drm_crtc *crtc) |
10167 | static bool intel_crtc_in_use(struct drm_crtc *crtc) |
10048 | { |
10168 | { |
10049 | struct drm_encoder *encoder; |
10169 | struct drm_encoder *encoder; |
10050 | struct drm_device *dev = crtc->dev; |
10170 | struct drm_device *dev = crtc->dev; |
10051 | 10171 | ||
10052 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) |
10172 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) |
10053 | if (encoder->crtc == crtc) |
10173 | if (encoder->crtc == crtc) |
10054 | return true; |
10174 | return true; |
10055 | 10175 | ||
10056 | return false; |
10176 | return false; |
10057 | } |
10177 | } |
10058 | 10178 | ||
10059 | static void |
10179 | static void |
10060 | intel_modeset_update_state(struct drm_device *dev, unsigned prepare_pipes) |
10180 | intel_modeset_update_state(struct drm_device *dev, unsigned prepare_pipes) |
10061 | { |
10181 | { |
- | 10182 | struct drm_i915_private *dev_priv = dev->dev_private; |
|
10062 | struct intel_encoder *intel_encoder; |
10183 | struct intel_encoder *intel_encoder; |
10063 | struct intel_crtc *intel_crtc; |
10184 | struct intel_crtc *intel_crtc; |
10064 | struct drm_connector *connector; |
10185 | struct drm_connector *connector; |
10065 | 10186 | ||
- | 10187 | intel_shared_dpll_commit(dev_priv); |
|
10066 | list_for_each_entry(intel_encoder, &dev->mode_config.encoder_list, |
10188 | |
10067 | base.head) { |
10189 | for_each_intel_encoder(dev, intel_encoder) { |
10068 | if (!intel_encoder->base.crtc) |
10190 | if (!intel_encoder->base.crtc) |
10069 | continue; |
10191 | continue; |
10070 | 10192 | ||
10071 | intel_crtc = to_intel_crtc(intel_encoder->base.crtc); |
10193 | intel_crtc = to_intel_crtc(intel_encoder->base.crtc); |
10072 | 10194 | ||
10073 | if (prepare_pipes & (1 << intel_crtc->pipe)) |
10195 | if (prepare_pipes & (1 << intel_crtc->pipe)) |
10074 | intel_encoder->connectors_active = false; |
10196 | intel_encoder->connectors_active = false; |
10075 | } |
10197 | } |
10076 | 10198 | ||
10077 | intel_modeset_commit_output_state(dev); |
10199 | intel_modeset_commit_output_state(dev); |
10078 | 10200 | ||
10079 | /* Double check state. */ |
10201 | /* Double check state. */ |
10080 | for_each_intel_crtc(dev, intel_crtc) { |
10202 | for_each_intel_crtc(dev, intel_crtc) { |
10081 | WARN_ON(intel_crtc->base.enabled != intel_crtc_in_use(&intel_crtc->base)); |
10203 | WARN_ON(intel_crtc->base.enabled != intel_crtc_in_use(&intel_crtc->base)); |
10082 | WARN_ON(intel_crtc->new_config && |
10204 | WARN_ON(intel_crtc->new_config && |
10083 | intel_crtc->new_config != &intel_crtc->config); |
10205 | intel_crtc->new_config != &intel_crtc->config); |
10084 | WARN_ON(intel_crtc->base.enabled != !!intel_crtc->new_config); |
10206 | WARN_ON(intel_crtc->base.enabled != !!intel_crtc->new_config); |
10085 | } |
10207 | } |
10086 | 10208 | ||
10087 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
10209 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
10088 | if (!connector->encoder || !connector->encoder->crtc) |
10210 | if (!connector->encoder || !connector->encoder->crtc) |
10089 | continue; |
10211 | continue; |
10090 | 10212 | ||
10091 | intel_crtc = to_intel_crtc(connector->encoder->crtc); |
10213 | intel_crtc = to_intel_crtc(connector->encoder->crtc); |
10092 | 10214 | ||
10093 | if (prepare_pipes & (1 << intel_crtc->pipe)) { |
10215 | if (prepare_pipes & (1 << intel_crtc->pipe)) { |
10094 | struct drm_property *dpms_property = |
10216 | struct drm_property *dpms_property = |
10095 | dev->mode_config.dpms_property; |
10217 | dev->mode_config.dpms_property; |
10096 | 10218 | ||
10097 | connector->dpms = DRM_MODE_DPMS_ON; |
10219 | connector->dpms = DRM_MODE_DPMS_ON; |
10098 | drm_object_property_set_value(&connector->base, |
10220 | drm_object_property_set_value(&connector->base, |
10099 | dpms_property, |
10221 | dpms_property, |
10100 | DRM_MODE_DPMS_ON); |
10222 | DRM_MODE_DPMS_ON); |
10101 | 10223 | ||
10102 | intel_encoder = to_intel_encoder(connector->encoder); |
10224 | intel_encoder = to_intel_encoder(connector->encoder); |
10103 | intel_encoder->connectors_active = true; |
10225 | intel_encoder->connectors_active = true; |
10104 | } |
10226 | } |
10105 | } |
10227 | } |
10106 | 10228 | ||
10107 | } |
10229 | } |
10108 | 10230 | ||
10109 | static bool intel_fuzzy_clock_check(int clock1, int clock2) |
10231 | static bool intel_fuzzy_clock_check(int clock1, int clock2) |
10110 | { |
10232 | { |
10111 | int diff; |
10233 | int diff; |
10112 | 10234 | ||
10113 | if (clock1 == clock2) |
10235 | if (clock1 == clock2) |
10114 | return true; |
10236 | return true; |
10115 | 10237 | ||
10116 | if (!clock1 || !clock2) |
10238 | if (!clock1 || !clock2) |
10117 | return false; |
10239 | return false; |
10118 | 10240 | ||
10119 | diff = abs(clock1 - clock2); |
10241 | diff = abs(clock1 - clock2); |
10120 | 10242 | ||
10121 | if (((((diff + clock1 + clock2) * 100)) / (clock1 + clock2)) < 105) |
10243 | if (((((diff + clock1 + clock2) * 100)) / (clock1 + clock2)) < 105) |
10122 | return true; |
10244 | return true; |
10123 | 10245 | ||
10124 | return false; |
10246 | return false; |
10125 | } |
10247 | } |
10126 | 10248 | ||
10127 | #define for_each_intel_crtc_masked(dev, mask, intel_crtc) \ |
10249 | #define for_each_intel_crtc_masked(dev, mask, intel_crtc) \ |
10128 | list_for_each_entry((intel_crtc), \ |
10250 | list_for_each_entry((intel_crtc), \ |
10129 | &(dev)->mode_config.crtc_list, \ |
10251 | &(dev)->mode_config.crtc_list, \ |
10130 | base.head) \ |
10252 | base.head) \ |
10131 | if (mask & (1 <<(intel_crtc)->pipe)) |
10253 | if (mask & (1 <<(intel_crtc)->pipe)) |
10132 | 10254 | ||
10133 | static bool |
10255 | static bool |
10134 | intel_pipe_config_compare(struct drm_device *dev, |
10256 | intel_pipe_config_compare(struct drm_device *dev, |
10135 | struct intel_crtc_config *current_config, |
10257 | struct intel_crtc_config *current_config, |
10136 | struct intel_crtc_config *pipe_config) |
10258 | struct intel_crtc_config *pipe_config) |
10137 | { |
10259 | { |
10138 | #define PIPE_CONF_CHECK_X(name) \ |
10260 | #define PIPE_CONF_CHECK_X(name) \ |
10139 | if (current_config->name != pipe_config->name) { \ |
10261 | if (current_config->name != pipe_config->name) { \ |
10140 | DRM_ERROR("mismatch in " #name " " \ |
10262 | DRM_ERROR("mismatch in " #name " " \ |
10141 | "(expected 0x%08x, found 0x%08x)\n", \ |
10263 | "(expected 0x%08x, found 0x%08x)\n", \ |
10142 | current_config->name, \ |
10264 | current_config->name, \ |
10143 | pipe_config->name); \ |
10265 | pipe_config->name); \ |
10144 | return false; \ |
10266 | return false; \ |
10145 | } |
10267 | } |
10146 | 10268 | ||
10147 | #define PIPE_CONF_CHECK_I(name) \ |
10269 | #define PIPE_CONF_CHECK_I(name) \ |
10148 | if (current_config->name != pipe_config->name) { \ |
10270 | if (current_config->name != pipe_config->name) { \ |
10149 | DRM_ERROR("mismatch in " #name " " \ |
10271 | DRM_ERROR("mismatch in " #name " " \ |
10150 | "(expected %i, found %i)\n", \ |
10272 | "(expected %i, found %i)\n", \ |
10151 | current_config->name, \ |
10273 | current_config->name, \ |
10152 | pipe_config->name); \ |
10274 | pipe_config->name); \ |
10153 | return false; \ |
10275 | return false; \ |
10154 | } |
10276 | } |
- | 10277 | ||
- | 10278 | /* This is required for BDW+ where there is only one set of registers for |
|
- | 10279 | * switching between high and low RR. |
|
- | 10280 | * This macro can be used whenever a comparison has to be made between one |
|
- | 10281 | * hw state and multiple sw state variables. |
|
- | 10282 | */ |
|
- | 10283 | #define PIPE_CONF_CHECK_I_ALT(name, alt_name) \ |
|
- | 10284 | if ((current_config->name != pipe_config->name) && \ |
|
- | 10285 | (current_config->alt_name != pipe_config->name)) { \ |
|
- | 10286 | DRM_ERROR("mismatch in " #name " " \ |
|
- | 10287 | "(expected %i or %i, found %i)\n", \ |
|
- | 10288 | current_config->name, \ |
|
- | 10289 | current_config->alt_name, \ |
|
- | 10290 | pipe_config->name); \ |
|
- | 10291 | return false; \ |
|
- | 10292 | } |
|
10155 | 10293 | ||
10156 | #define PIPE_CONF_CHECK_FLAGS(name, mask) \ |
10294 | #define PIPE_CONF_CHECK_FLAGS(name, mask) \ |
10157 | if ((current_config->name ^ pipe_config->name) & (mask)) { \ |
10295 | if ((current_config->name ^ pipe_config->name) & (mask)) { \ |
10158 | DRM_ERROR("mismatch in " #name "(" #mask ") " \ |
10296 | DRM_ERROR("mismatch in " #name "(" #mask ") " \ |
10159 | "(expected %i, found %i)\n", \ |
10297 | "(expected %i, found %i)\n", \ |
10160 | current_config->name & (mask), \ |
10298 | current_config->name & (mask), \ |
10161 | pipe_config->name & (mask)); \ |
10299 | pipe_config->name & (mask)); \ |
10162 | return false; \ |
10300 | return false; \ |
10163 | } |
10301 | } |
10164 | 10302 | ||
10165 | #define PIPE_CONF_CHECK_CLOCK_FUZZY(name) \ |
10303 | #define PIPE_CONF_CHECK_CLOCK_FUZZY(name) \ |
10166 | if (!intel_fuzzy_clock_check(current_config->name, pipe_config->name)) { \ |
10304 | if (!intel_fuzzy_clock_check(current_config->name, pipe_config->name)) { \ |
10167 | DRM_ERROR("mismatch in " #name " " \ |
10305 | DRM_ERROR("mismatch in " #name " " \ |
10168 | "(expected %i, found %i)\n", \ |
10306 | "(expected %i, found %i)\n", \ |
10169 | current_config->name, \ |
10307 | current_config->name, \ |
10170 | pipe_config->name); \ |
10308 | pipe_config->name); \ |
10171 | return false; \ |
10309 | return false; \ |
10172 | } |
10310 | } |
10173 | 10311 | ||
10174 | #define PIPE_CONF_QUIRK(quirk) \ |
10312 | #define PIPE_CONF_QUIRK(quirk) \ |
10175 | ((current_config->quirks | pipe_config->quirks) & (quirk)) |
10313 | ((current_config->quirks | pipe_config->quirks) & (quirk)) |
10176 | 10314 | ||
10177 | PIPE_CONF_CHECK_I(cpu_transcoder); |
10315 | PIPE_CONF_CHECK_I(cpu_transcoder); |
10178 | 10316 | ||
10179 | PIPE_CONF_CHECK_I(has_pch_encoder); |
10317 | PIPE_CONF_CHECK_I(has_pch_encoder); |
10180 | PIPE_CONF_CHECK_I(fdi_lanes); |
10318 | PIPE_CONF_CHECK_I(fdi_lanes); |
10181 | PIPE_CONF_CHECK_I(fdi_m_n.gmch_m); |
10319 | PIPE_CONF_CHECK_I(fdi_m_n.gmch_m); |
10182 | PIPE_CONF_CHECK_I(fdi_m_n.gmch_n); |
10320 | PIPE_CONF_CHECK_I(fdi_m_n.gmch_n); |
10183 | PIPE_CONF_CHECK_I(fdi_m_n.link_m); |
10321 | PIPE_CONF_CHECK_I(fdi_m_n.link_m); |
10184 | PIPE_CONF_CHECK_I(fdi_m_n.link_n); |
10322 | PIPE_CONF_CHECK_I(fdi_m_n.link_n); |
10185 | PIPE_CONF_CHECK_I(fdi_m_n.tu); |
10323 | PIPE_CONF_CHECK_I(fdi_m_n.tu); |
10186 | 10324 | ||
10187 | PIPE_CONF_CHECK_I(has_dp_encoder); |
10325 | PIPE_CONF_CHECK_I(has_dp_encoder); |
- | 10326 | ||
- | 10327 | if (INTEL_INFO(dev)->gen < 8) { |
|
10188 | PIPE_CONF_CHECK_I(dp_m_n.gmch_m); |
10328 | PIPE_CONF_CHECK_I(dp_m_n.gmch_m); |
10189 | PIPE_CONF_CHECK_I(dp_m_n.gmch_n); |
10329 | PIPE_CONF_CHECK_I(dp_m_n.gmch_n); |
10190 | PIPE_CONF_CHECK_I(dp_m_n.link_m); |
10330 | PIPE_CONF_CHECK_I(dp_m_n.link_m); |
10191 | PIPE_CONF_CHECK_I(dp_m_n.link_n); |
10331 | PIPE_CONF_CHECK_I(dp_m_n.link_n); |
10192 | PIPE_CONF_CHECK_I(dp_m_n.tu); |
10332 | PIPE_CONF_CHECK_I(dp_m_n.tu); |
- | 10333 | ||
- | 10334 | if (current_config->has_drrs) { |
|
- | 10335 | PIPE_CONF_CHECK_I(dp_m2_n2.gmch_m); |
|
- | 10336 | PIPE_CONF_CHECK_I(dp_m2_n2.gmch_n); |
|
- | 10337 | PIPE_CONF_CHECK_I(dp_m2_n2.link_m); |
|
- | 10338 | PIPE_CONF_CHECK_I(dp_m2_n2.link_n); |
|
- | 10339 | PIPE_CONF_CHECK_I(dp_m2_n2.tu); |
|
- | 10340 | } |
|
- | 10341 | } else { |
|
- | 10342 | PIPE_CONF_CHECK_I_ALT(dp_m_n.gmch_m, dp_m2_n2.gmch_m); |
|
- | 10343 | PIPE_CONF_CHECK_I_ALT(dp_m_n.gmch_n, dp_m2_n2.gmch_n); |
|
- | 10344 | PIPE_CONF_CHECK_I_ALT(dp_m_n.link_m, dp_m2_n2.link_m); |
|
- | 10345 | PIPE_CONF_CHECK_I_ALT(dp_m_n.link_n, dp_m2_n2.link_n); |
|
- | 10346 | PIPE_CONF_CHECK_I_ALT(dp_m_n.tu, dp_m2_n2.tu); |
|
- | 10347 | } |
|
10193 | 10348 | ||
10194 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_hdisplay); |
10349 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_hdisplay); |
10195 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_htotal); |
10350 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_htotal); |
10196 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_hblank_start); |
10351 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_hblank_start); |
10197 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_hblank_end); |
10352 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_hblank_end); |
10198 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_hsync_start); |
10353 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_hsync_start); |
10199 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_hsync_end); |
10354 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_hsync_end); |
10200 | 10355 | ||
10201 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vdisplay); |
10356 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vdisplay); |
10202 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vtotal); |
10357 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vtotal); |
10203 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vblank_start); |
10358 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vblank_start); |
10204 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vblank_end); |
10359 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vblank_end); |
10205 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vsync_start); |
10360 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vsync_start); |
10206 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vsync_end); |
10361 | PIPE_CONF_CHECK_I(adjusted_mode.crtc_vsync_end); |
10207 | 10362 | ||
10208 | PIPE_CONF_CHECK_I(pixel_multiplier); |
10363 | PIPE_CONF_CHECK_I(pixel_multiplier); |
10209 | PIPE_CONF_CHECK_I(has_hdmi_sink); |
10364 | PIPE_CONF_CHECK_I(has_hdmi_sink); |
10210 | if ((INTEL_INFO(dev)->gen < 8 && !IS_HASWELL(dev)) || |
10365 | if ((INTEL_INFO(dev)->gen < 8 && !IS_HASWELL(dev)) || |
10211 | IS_VALLEYVIEW(dev)) |
10366 | IS_VALLEYVIEW(dev)) |
10212 | PIPE_CONF_CHECK_I(limited_color_range); |
10367 | PIPE_CONF_CHECK_I(limited_color_range); |
- | 10368 | PIPE_CONF_CHECK_I(has_infoframe); |
|
10213 | 10369 | ||
10214 | PIPE_CONF_CHECK_I(has_audio); |
10370 | PIPE_CONF_CHECK_I(has_audio); |
10215 | 10371 | ||
10216 | PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags, |
10372 | PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags, |
10217 | DRM_MODE_FLAG_INTERLACE); |
10373 | DRM_MODE_FLAG_INTERLACE); |
10218 | 10374 | ||
10219 | if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS)) { |
10375 | if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS)) { |
10220 | PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags, |
10376 | PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags, |
10221 | DRM_MODE_FLAG_PHSYNC); |
10377 | DRM_MODE_FLAG_PHSYNC); |
10222 | PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags, |
10378 | PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags, |
10223 | DRM_MODE_FLAG_NHSYNC); |
10379 | DRM_MODE_FLAG_NHSYNC); |
10224 | PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags, |
10380 | PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags, |
10225 | DRM_MODE_FLAG_PVSYNC); |
10381 | DRM_MODE_FLAG_PVSYNC); |
10226 | PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags, |
10382 | PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags, |
10227 | DRM_MODE_FLAG_NVSYNC); |
10383 | DRM_MODE_FLAG_NVSYNC); |
10228 | } |
10384 | } |
10229 | 10385 | ||
10230 | PIPE_CONF_CHECK_I(pipe_src_w); |
10386 | PIPE_CONF_CHECK_I(pipe_src_w); |
10231 | PIPE_CONF_CHECK_I(pipe_src_h); |
10387 | PIPE_CONF_CHECK_I(pipe_src_h); |
10232 | 10388 | ||
10233 | /* |
10389 | /* |
10234 | * FIXME: BIOS likes to set up a cloned config with lvds+external |
10390 | * FIXME: BIOS likes to set up a cloned config with lvds+external |
10235 | * screen. Since we don't yet re-compute the pipe config when moving |
10391 | * screen. Since we don't yet re-compute the pipe config when moving |
10236 | * just the lvds port away to another pipe the sw tracking won't match. |
10392 | * just the lvds port away to another pipe the sw tracking won't match. |
10237 | * |
10393 | * |
10238 | * Proper atomic modesets with recomputed global state will fix this. |
10394 | * Proper atomic modesets with recomputed global state will fix this. |
10239 | * Until then just don't check gmch state for inherited modes. |
10395 | * Until then just don't check gmch state for inherited modes. |
10240 | */ |
10396 | */ |
10241 | if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_INHERITED_MODE)) { |
10397 | if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_INHERITED_MODE)) { |
10242 | PIPE_CONF_CHECK_I(gmch_pfit.control); |
10398 | PIPE_CONF_CHECK_I(gmch_pfit.control); |
10243 | /* pfit ratios are autocomputed by the hw on gen4+ */ |
10399 | /* pfit ratios are autocomputed by the hw on gen4+ */ |
10244 | if (INTEL_INFO(dev)->gen < 4) |
10400 | if (INTEL_INFO(dev)->gen < 4) |
10245 | PIPE_CONF_CHECK_I(gmch_pfit.pgm_ratios); |
10401 | PIPE_CONF_CHECK_I(gmch_pfit.pgm_ratios); |
10246 | PIPE_CONF_CHECK_I(gmch_pfit.lvds_border_bits); |
10402 | PIPE_CONF_CHECK_I(gmch_pfit.lvds_border_bits); |
10247 | } |
10403 | } |
10248 | 10404 | ||
10249 | PIPE_CONF_CHECK_I(pch_pfit.enabled); |
10405 | PIPE_CONF_CHECK_I(pch_pfit.enabled); |
10250 | if (current_config->pch_pfit.enabled) { |
10406 | if (current_config->pch_pfit.enabled) { |
10251 | PIPE_CONF_CHECK_I(pch_pfit.pos); |
10407 | PIPE_CONF_CHECK_I(pch_pfit.pos); |
10252 | PIPE_CONF_CHECK_I(pch_pfit.size); |
10408 | PIPE_CONF_CHECK_I(pch_pfit.size); |
10253 | } |
10409 | } |
10254 | 10410 | ||
10255 | /* BDW+ don't expose a synchronous way to read the state */ |
10411 | /* BDW+ don't expose a synchronous way to read the state */ |
10256 | if (IS_HASWELL(dev)) |
10412 | if (IS_HASWELL(dev)) |
10257 | PIPE_CONF_CHECK_I(ips_enabled); |
10413 | PIPE_CONF_CHECK_I(ips_enabled); |
10258 | 10414 | ||
10259 | PIPE_CONF_CHECK_I(double_wide); |
10415 | PIPE_CONF_CHECK_I(double_wide); |
10260 | 10416 | ||
10261 | PIPE_CONF_CHECK_X(ddi_pll_sel); |
10417 | PIPE_CONF_CHECK_X(ddi_pll_sel); |
10262 | 10418 | ||
10263 | PIPE_CONF_CHECK_I(shared_dpll); |
10419 | PIPE_CONF_CHECK_I(shared_dpll); |
10264 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll); |
10420 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll); |
10265 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md); |
10421 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md); |
10266 | PIPE_CONF_CHECK_X(dpll_hw_state.fp0); |
10422 | PIPE_CONF_CHECK_X(dpll_hw_state.fp0); |
10267 | PIPE_CONF_CHECK_X(dpll_hw_state.fp1); |
10423 | PIPE_CONF_CHECK_X(dpll_hw_state.fp1); |
10268 | PIPE_CONF_CHECK_X(dpll_hw_state.wrpll); |
10424 | PIPE_CONF_CHECK_X(dpll_hw_state.wrpll); |
- | 10425 | PIPE_CONF_CHECK_X(dpll_hw_state.ctrl1); |
|
- | 10426 | PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr1); |
|
- | 10427 | PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr2); |
|
10269 | 10428 | ||
10270 | if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) |
10429 | if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) |
10271 | PIPE_CONF_CHECK_I(pipe_bpp); |
10430 | PIPE_CONF_CHECK_I(pipe_bpp); |
10272 | 10431 | ||
10273 | PIPE_CONF_CHECK_CLOCK_FUZZY(adjusted_mode.crtc_clock); |
10432 | PIPE_CONF_CHECK_CLOCK_FUZZY(adjusted_mode.crtc_clock); |
10274 | PIPE_CONF_CHECK_CLOCK_FUZZY(port_clock); |
10433 | PIPE_CONF_CHECK_CLOCK_FUZZY(port_clock); |
10275 | 10434 | ||
10276 | #undef PIPE_CONF_CHECK_X |
10435 | #undef PIPE_CONF_CHECK_X |
10277 | #undef PIPE_CONF_CHECK_I |
10436 | #undef PIPE_CONF_CHECK_I |
- | 10437 | #undef PIPE_CONF_CHECK_I_ALT |
|
10278 | #undef PIPE_CONF_CHECK_FLAGS |
10438 | #undef PIPE_CONF_CHECK_FLAGS |
10279 | #undef PIPE_CONF_CHECK_CLOCK_FUZZY |
10439 | #undef PIPE_CONF_CHECK_CLOCK_FUZZY |
10280 | #undef PIPE_CONF_QUIRK |
10440 | #undef PIPE_CONF_QUIRK |
10281 | 10441 | ||
10282 | return true; |
10442 | return true; |
10283 | } |
10443 | } |
- | 10444 | ||
- | 10445 | static void check_wm_state(struct drm_device *dev) |
|
- | 10446 | { |
|
- | 10447 | struct drm_i915_private *dev_priv = dev->dev_private; |
|
- | 10448 | struct skl_ddb_allocation hw_ddb, *sw_ddb; |
|
- | 10449 | struct intel_crtc *intel_crtc; |
|
- | 10450 | int plane; |
|
- | 10451 | ||
- | 10452 | if (INTEL_INFO(dev)->gen < 9) |
|
- | 10453 | return; |
|
- | 10454 | ||
- | 10455 | skl_ddb_get_hw_state(dev_priv, &hw_ddb); |
|
- | 10456 | sw_ddb = &dev_priv->wm.skl_hw.ddb; |
|
- | 10457 | ||
- | 10458 | for_each_intel_crtc(dev, intel_crtc) { |
|
- | 10459 | struct skl_ddb_entry *hw_entry, *sw_entry; |
|
- | 10460 | const enum pipe pipe = intel_crtc->pipe; |
|
- | 10461 | ||
- | 10462 | if (!intel_crtc->active) |
|
- | 10463 | continue; |
|
- | 10464 | ||
- | 10465 | /* planes */ |
|
- | 10466 | for_each_plane(pipe, plane) { |
|
- | 10467 | hw_entry = &hw_ddb.plane[pipe][plane]; |
|
- | 10468 | sw_entry = &sw_ddb->plane[pipe][plane]; |
|
- | 10469 | ||
- | 10470 | if (skl_ddb_entry_equal(hw_entry, sw_entry)) |
|
- | 10471 | continue; |
|
- | 10472 | ||
- | 10473 | DRM_ERROR("mismatch in DDB state pipe %c plane %d " |
|
- | 10474 | "(expected (%u,%u), found (%u,%u))\n", |
|
- | 10475 | pipe_name(pipe), plane + 1, |
|
- | 10476 | sw_entry->start, sw_entry->end, |
|
- | 10477 | hw_entry->start, hw_entry->end); |
|
- | 10478 | } |
|
- | 10479 | ||
- | 10480 | /* cursor */ |
|
- | 10481 | hw_entry = &hw_ddb.cursor[pipe]; |
|
- | 10482 | sw_entry = &sw_ddb->cursor[pipe]; |
|
- | 10483 | ||
- | 10484 | if (skl_ddb_entry_equal(hw_entry, sw_entry)) |
|
- | 10485 | continue; |
|
- | 10486 | ||
- | 10487 | DRM_ERROR("mismatch in DDB state pipe %c cursor " |
|
- | 10488 | "(expected (%u,%u), found (%u,%u))\n", |
|
- | 10489 | pipe_name(pipe), |
|
- | 10490 | sw_entry->start, sw_entry->end, |
|
- | 10491 | hw_entry->start, hw_entry->end); |
|
- | 10492 | } |
|
- | 10493 | } |
|
10284 | 10494 | ||
10285 | static void |
10495 | static void |
10286 | check_connector_state(struct drm_device *dev) |
10496 | check_connector_state(struct drm_device *dev) |
10287 | { |
10497 | { |
10288 | struct intel_connector *connector; |
10498 | struct intel_connector *connector; |
10289 | 10499 | ||
10290 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
10500 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
10291 | base.head) { |
10501 | base.head) { |
10292 | /* This also checks the encoder/connector hw state with the |
10502 | /* This also checks the encoder/connector hw state with the |
10293 | * ->get_hw_state callbacks. */ |
10503 | * ->get_hw_state callbacks. */ |
10294 | intel_connector_check_state(connector); |
10504 | intel_connector_check_state(connector); |
10295 | 10505 | ||
10296 | WARN(&connector->new_encoder->base != connector->base.encoder, |
10506 | WARN(&connector->new_encoder->base != connector->base.encoder, |
10297 | "connector's staged encoder doesn't match current encoder\n"); |
10507 | "connector's staged encoder doesn't match current encoder\n"); |
10298 | } |
10508 | } |
10299 | } |
10509 | } |
10300 | 10510 | ||
10301 | static void |
10511 | static void |
10302 | check_encoder_state(struct drm_device *dev) |
10512 | check_encoder_state(struct drm_device *dev) |
10303 | { |
10513 | { |
10304 | struct intel_encoder *encoder; |
10514 | struct intel_encoder *encoder; |
10305 | struct intel_connector *connector; |
10515 | struct intel_connector *connector; |
10306 | 10516 | ||
10307 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
- | |
10308 | base.head) { |
10517 | for_each_intel_encoder(dev, encoder) { |
10309 | bool enabled = false; |
10518 | bool enabled = false; |
10310 | bool active = false; |
10519 | bool active = false; |
10311 | enum pipe pipe, tracked_pipe; |
10520 | enum pipe pipe, tracked_pipe; |
10312 | 10521 | ||
10313 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", |
10522 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", |
10314 | encoder->base.base.id, |
10523 | encoder->base.base.id, |
10315 | encoder->base.name); |
10524 | encoder->base.name); |
10316 | 10525 | ||
10317 | WARN(&encoder->new_crtc->base != encoder->base.crtc, |
10526 | WARN(&encoder->new_crtc->base != encoder->base.crtc, |
10318 | "encoder's stage crtc doesn't match current crtc\n"); |
10527 | "encoder's stage crtc doesn't match current crtc\n"); |
10319 | WARN(encoder->connectors_active && !encoder->base.crtc, |
10528 | WARN(encoder->connectors_active && !encoder->base.crtc, |
10320 | "encoder's active_connectors set, but no crtc\n"); |
10529 | "encoder's active_connectors set, but no crtc\n"); |
10321 | 10530 | ||
10322 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
10531 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
10323 | base.head) { |
10532 | base.head) { |
10324 | if (connector->base.encoder != &encoder->base) |
10533 | if (connector->base.encoder != &encoder->base) |
10325 | continue; |
10534 | continue; |
10326 | enabled = true; |
10535 | enabled = true; |
10327 | if (connector->base.dpms != DRM_MODE_DPMS_OFF) |
10536 | if (connector->base.dpms != DRM_MODE_DPMS_OFF) |
10328 | active = true; |
10537 | active = true; |
10329 | } |
10538 | } |
10330 | /* |
10539 | /* |
10331 | * for MST connectors if we unplug the connector is gone |
10540 | * for MST connectors if we unplug the connector is gone |
10332 | * away but the encoder is still connected to a crtc |
10541 | * away but the encoder is still connected to a crtc |
10333 | * until a modeset happens in response to the hotplug. |
10542 | * until a modeset happens in response to the hotplug. |
10334 | */ |
10543 | */ |
10335 | if (!enabled && encoder->base.encoder_type == DRM_MODE_ENCODER_DPMST) |
10544 | if (!enabled && encoder->base.encoder_type == DRM_MODE_ENCODER_DPMST) |
10336 | continue; |
10545 | continue; |
10337 | 10546 | ||
10338 | WARN(!!encoder->base.crtc != enabled, |
10547 | WARN(!!encoder->base.crtc != enabled, |
10339 | "encoder's enabled state mismatch " |
10548 | "encoder's enabled state mismatch " |
10340 | "(expected %i, found %i)\n", |
10549 | "(expected %i, found %i)\n", |
10341 | !!encoder->base.crtc, enabled); |
10550 | !!encoder->base.crtc, enabled); |
10342 | WARN(active && !encoder->base.crtc, |
10551 | WARN(active && !encoder->base.crtc, |
10343 | "active encoder with no crtc\n"); |
10552 | "active encoder with no crtc\n"); |
10344 | 10553 | ||
10345 | WARN(encoder->connectors_active != active, |
10554 | WARN(encoder->connectors_active != active, |
10346 | "encoder's computed active state doesn't match tracked active state " |
10555 | "encoder's computed active state doesn't match tracked active state " |
10347 | "(expected %i, found %i)\n", active, encoder->connectors_active); |
10556 | "(expected %i, found %i)\n", active, encoder->connectors_active); |
10348 | 10557 | ||
10349 | active = encoder->get_hw_state(encoder, &pipe); |
10558 | active = encoder->get_hw_state(encoder, &pipe); |
10350 | WARN(active != encoder->connectors_active, |
10559 | WARN(active != encoder->connectors_active, |
10351 | "encoder's hw state doesn't match sw tracking " |
10560 | "encoder's hw state doesn't match sw tracking " |
10352 | "(expected %i, found %i)\n", |
10561 | "(expected %i, found %i)\n", |
10353 | encoder->connectors_active, active); |
10562 | encoder->connectors_active, active); |
10354 | 10563 | ||
10355 | if (!encoder->base.crtc) |
10564 | if (!encoder->base.crtc) |
10356 | continue; |
10565 | continue; |
10357 | 10566 | ||
10358 | tracked_pipe = to_intel_crtc(encoder->base.crtc)->pipe; |
10567 | tracked_pipe = to_intel_crtc(encoder->base.crtc)->pipe; |
10359 | WARN(active && pipe != tracked_pipe, |
10568 | WARN(active && pipe != tracked_pipe, |
10360 | "active encoder's pipe doesn't match" |
10569 | "active encoder's pipe doesn't match" |
10361 | "(expected %i, found %i)\n", |
10570 | "(expected %i, found %i)\n", |
10362 | tracked_pipe, pipe); |
10571 | tracked_pipe, pipe); |
10363 | 10572 | ||
10364 | } |
10573 | } |
10365 | } |
10574 | } |
10366 | 10575 | ||
10367 | static void |
10576 | static void |
10368 | check_crtc_state(struct drm_device *dev) |
10577 | check_crtc_state(struct drm_device *dev) |
10369 | { |
10578 | { |
10370 | struct drm_i915_private *dev_priv = dev->dev_private; |
10579 | struct drm_i915_private *dev_priv = dev->dev_private; |
10371 | struct intel_crtc *crtc; |
10580 | struct intel_crtc *crtc; |
10372 | struct intel_encoder *encoder; |
10581 | struct intel_encoder *encoder; |
10373 | struct intel_crtc_config pipe_config; |
10582 | struct intel_crtc_config pipe_config; |
10374 | 10583 | ||
10375 | for_each_intel_crtc(dev, crtc) { |
10584 | for_each_intel_crtc(dev, crtc) { |
10376 | bool enabled = false; |
10585 | bool enabled = false; |
10377 | bool active = false; |
10586 | bool active = false; |
10378 | 10587 | ||
10379 | memset(&pipe_config, 0, sizeof(pipe_config)); |
10588 | memset(&pipe_config, 0, sizeof(pipe_config)); |
10380 | 10589 | ||
10381 | DRM_DEBUG_KMS("[CRTC:%d]\n", |
10590 | DRM_DEBUG_KMS("[CRTC:%d]\n", |
10382 | crtc->base.base.id); |
10591 | crtc->base.base.id); |
10383 | 10592 | ||
10384 | WARN(crtc->active && !crtc->base.enabled, |
10593 | WARN(crtc->active && !crtc->base.enabled, |
10385 | "active crtc, but not enabled in sw tracking\n"); |
10594 | "active crtc, but not enabled in sw tracking\n"); |
10386 | 10595 | ||
10387 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
- | |
10388 | base.head) { |
10596 | for_each_intel_encoder(dev, encoder) { |
10389 | if (encoder->base.crtc != &crtc->base) |
10597 | if (encoder->base.crtc != &crtc->base) |
10390 | continue; |
10598 | continue; |
10391 | enabled = true; |
10599 | enabled = true; |
10392 | if (encoder->connectors_active) |
10600 | if (encoder->connectors_active) |
10393 | active = true; |
10601 | active = true; |
10394 | } |
10602 | } |
10395 | 10603 | ||
10396 | WARN(active != crtc->active, |
10604 | WARN(active != crtc->active, |
10397 | "crtc's computed active state doesn't match tracked active state " |
10605 | "crtc's computed active state doesn't match tracked active state " |
10398 | "(expected %i, found %i)\n", active, crtc->active); |
10606 | "(expected %i, found %i)\n", active, crtc->active); |
10399 | WARN(enabled != crtc->base.enabled, |
10607 | WARN(enabled != crtc->base.enabled, |
10400 | "crtc's computed enabled state doesn't match tracked enabled state " |
10608 | "crtc's computed enabled state doesn't match tracked enabled state " |
10401 | "(expected %i, found %i)\n", enabled, crtc->base.enabled); |
10609 | "(expected %i, found %i)\n", enabled, crtc->base.enabled); |
10402 | 10610 | ||
10403 | active = dev_priv->display.get_pipe_config(crtc, |
10611 | active = dev_priv->display.get_pipe_config(crtc, |
10404 | &pipe_config); |
10612 | &pipe_config); |
10405 | 10613 | ||
10406 | /* hw state is inconsistent with the pipe A quirk */ |
10614 | /* hw state is inconsistent with the pipe quirk */ |
- | 10615 | if ((crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
|
10407 | if (crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) |
10616 | (crtc->pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) |
10408 | active = crtc->active; |
10617 | active = crtc->active; |
10409 | - | ||
10410 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
10618 | |
10411 | base.head) { |
10619 | for_each_intel_encoder(dev, encoder) { |
10412 | enum pipe pipe; |
10620 | enum pipe pipe; |
10413 | if (encoder->base.crtc != &crtc->base) |
10621 | if (encoder->base.crtc != &crtc->base) |
10414 | continue; |
10622 | continue; |
10415 | if (encoder->get_hw_state(encoder, &pipe)) |
10623 | if (encoder->get_hw_state(encoder, &pipe)) |
10416 | encoder->get_config(encoder, &pipe_config); |
10624 | encoder->get_config(encoder, &pipe_config); |
10417 | } |
10625 | } |
10418 | 10626 | ||
10419 | WARN(crtc->active != active, |
10627 | WARN(crtc->active != active, |
10420 | "crtc active state doesn't match with hw state " |
10628 | "crtc active state doesn't match with hw state " |
10421 | "(expected %i, found %i)\n", crtc->active, active); |
10629 | "(expected %i, found %i)\n", crtc->active, active); |
10422 | 10630 | ||
10423 | if (active && |
10631 | if (active && |
10424 | !intel_pipe_config_compare(dev, &crtc->config, &pipe_config)) { |
10632 | !intel_pipe_config_compare(dev, &crtc->config, &pipe_config)) { |
10425 | WARN(1, "pipe state doesn't match!\n"); |
10633 | WARN(1, "pipe state doesn't match!\n"); |
10426 | intel_dump_pipe_config(crtc, &pipe_config, |
10634 | intel_dump_pipe_config(crtc, &pipe_config, |
10427 | "[hw state]"); |
10635 | "[hw state]"); |
10428 | intel_dump_pipe_config(crtc, &crtc->config, |
10636 | intel_dump_pipe_config(crtc, &crtc->config, |
10429 | "[sw state]"); |
10637 | "[sw state]"); |
10430 | } |
10638 | } |
10431 | } |
10639 | } |
10432 | } |
10640 | } |
10433 | 10641 | ||
10434 | static void |
10642 | static void |
10435 | check_shared_dpll_state(struct drm_device *dev) |
10643 | check_shared_dpll_state(struct drm_device *dev) |
10436 | { |
10644 | { |
10437 | struct drm_i915_private *dev_priv = dev->dev_private; |
10645 | struct drm_i915_private *dev_priv = dev->dev_private; |
10438 | struct intel_crtc *crtc; |
10646 | struct intel_crtc *crtc; |
10439 | struct intel_dpll_hw_state dpll_hw_state; |
10647 | struct intel_dpll_hw_state dpll_hw_state; |
10440 | int i; |
10648 | int i; |
10441 | 10649 | ||
10442 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
10650 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
10443 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; |
10651 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; |
10444 | int enabled_crtcs = 0, active_crtcs = 0; |
10652 | int enabled_crtcs = 0, active_crtcs = 0; |
10445 | bool active; |
10653 | bool active; |
10446 | 10654 | ||
10447 | memset(&dpll_hw_state, 0, sizeof(dpll_hw_state)); |
10655 | memset(&dpll_hw_state, 0, sizeof(dpll_hw_state)); |
10448 | 10656 | ||
10449 | DRM_DEBUG_KMS("%s\n", pll->name); |
10657 | DRM_DEBUG_KMS("%s\n", pll->name); |
10450 | 10658 | ||
10451 | active = pll->get_hw_state(dev_priv, pll, &dpll_hw_state); |
10659 | active = pll->get_hw_state(dev_priv, pll, &dpll_hw_state); |
10452 | 10660 | ||
10453 | WARN(pll->active > pll->refcount, |
10661 | WARN(pll->active > hweight32(pll->config.crtc_mask), |
10454 | "more active pll users than references: %i vs %i\n", |
10662 | "more active pll users than references: %i vs %i\n", |
10455 | pll->active, pll->refcount); |
10663 | pll->active, hweight32(pll->config.crtc_mask)); |
10456 | WARN(pll->active && !pll->on, |
10664 | WARN(pll->active && !pll->on, |
10457 | "pll in active use but not on in sw tracking\n"); |
10665 | "pll in active use but not on in sw tracking\n"); |
10458 | WARN(pll->on && !pll->active, |
10666 | WARN(pll->on && !pll->active, |
10459 | "pll in on but not on in use in sw tracking\n"); |
10667 | "pll in on but not on in use in sw tracking\n"); |
10460 | WARN(pll->on != active, |
10668 | WARN(pll->on != active, |
10461 | "pll on state mismatch (expected %i, found %i)\n", |
10669 | "pll on state mismatch (expected %i, found %i)\n", |
10462 | pll->on, active); |
10670 | pll->on, active); |
10463 | 10671 | ||
10464 | for_each_intel_crtc(dev, crtc) { |
10672 | for_each_intel_crtc(dev, crtc) { |
10465 | if (crtc->base.enabled && intel_crtc_to_shared_dpll(crtc) == pll) |
10673 | if (crtc->base.enabled && intel_crtc_to_shared_dpll(crtc) == pll) |
10466 | enabled_crtcs++; |
10674 | enabled_crtcs++; |
10467 | if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll) |
10675 | if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll) |
10468 | active_crtcs++; |
10676 | active_crtcs++; |
10469 | } |
10677 | } |
10470 | WARN(pll->active != active_crtcs, |
10678 | WARN(pll->active != active_crtcs, |
10471 | "pll active crtcs mismatch (expected %i, found %i)\n", |
10679 | "pll active crtcs mismatch (expected %i, found %i)\n", |
10472 | pll->active, active_crtcs); |
10680 | pll->active, active_crtcs); |
10473 | WARN(pll->refcount != enabled_crtcs, |
10681 | WARN(hweight32(pll->config.crtc_mask) != enabled_crtcs, |
10474 | "pll enabled crtcs mismatch (expected %i, found %i)\n", |
10682 | "pll enabled crtcs mismatch (expected %i, found %i)\n", |
10475 | pll->refcount, enabled_crtcs); |
10683 | hweight32(pll->config.crtc_mask), enabled_crtcs); |
10476 | 10684 | ||
10477 | WARN(pll->on && memcmp(&pll->hw_state, &dpll_hw_state, |
10685 | WARN(pll->on && memcmp(&pll->config.hw_state, &dpll_hw_state, |
10478 | sizeof(dpll_hw_state)), |
10686 | sizeof(dpll_hw_state)), |
10479 | "pll hw state mismatch\n"); |
10687 | "pll hw state mismatch\n"); |
10480 | } |
10688 | } |
10481 | } |
10689 | } |
10482 | 10690 | ||
10483 | void |
10691 | void |
10484 | intel_modeset_check_state(struct drm_device *dev) |
10692 | intel_modeset_check_state(struct drm_device *dev) |
10485 | { |
10693 | { |
- | 10694 | check_wm_state(dev); |
|
10486 | check_connector_state(dev); |
10695 | check_connector_state(dev); |
10487 | check_encoder_state(dev); |
10696 | check_encoder_state(dev); |
10488 | check_crtc_state(dev); |
10697 | check_crtc_state(dev); |
10489 | check_shared_dpll_state(dev); |
10698 | check_shared_dpll_state(dev); |
10490 | } |
10699 | } |
10491 | 10700 | ||
10492 | void ironlake_check_encoder_dotclock(const struct intel_crtc_config *pipe_config, |
10701 | void ironlake_check_encoder_dotclock(const struct intel_crtc_config *pipe_config, |
10493 | int dotclock) |
10702 | int dotclock) |
10494 | { |
10703 | { |
10495 | /* |
10704 | /* |
10496 | * FDI already provided one idea for the dotclock. |
10705 | * FDI already provided one idea for the dotclock. |
10497 | * Yell if the encoder disagrees. |
10706 | * Yell if the encoder disagrees. |
10498 | */ |
10707 | */ |
10499 | WARN(!intel_fuzzy_clock_check(pipe_config->adjusted_mode.crtc_clock, dotclock), |
10708 | WARN(!intel_fuzzy_clock_check(pipe_config->adjusted_mode.crtc_clock, dotclock), |
10500 | "FDI dotclock and encoder dotclock mismatch, fdi: %i, encoder: %i\n", |
10709 | "FDI dotclock and encoder dotclock mismatch, fdi: %i, encoder: %i\n", |
10501 | pipe_config->adjusted_mode.crtc_clock, dotclock); |
10710 | pipe_config->adjusted_mode.crtc_clock, dotclock); |
10502 | } |
10711 | } |
10503 | 10712 | ||
10504 | static void update_scanline_offset(struct intel_crtc *crtc) |
10713 | static void update_scanline_offset(struct intel_crtc *crtc) |
10505 | { |
10714 | { |
10506 | struct drm_device *dev = crtc->base.dev; |
10715 | struct drm_device *dev = crtc->base.dev; |
10507 | 10716 | ||
10508 | /* |
10717 | /* |
10509 | * The scanline counter increments at the leading edge of hsync. |
10718 | * The scanline counter increments at the leading edge of hsync. |
10510 | * |
10719 | * |
10511 | * On most platforms it starts counting from vtotal-1 on the |
10720 | * On most platforms it starts counting from vtotal-1 on the |
10512 | * first active line. That means the scanline counter value is |
10721 | * first active line. That means the scanline counter value is |
10513 | * always one less than what we would expect. Ie. just after |
10722 | * always one less than what we would expect. Ie. just after |
10514 | * start of vblank, which also occurs at start of hsync (on the |
10723 | * start of vblank, which also occurs at start of hsync (on the |
10515 | * last active line), the scanline counter will read vblank_start-1. |
10724 | * last active line), the scanline counter will read vblank_start-1. |
10516 | * |
10725 | * |
10517 | * On gen2 the scanline counter starts counting from 1 instead |
10726 | * On gen2 the scanline counter starts counting from 1 instead |
10518 | * of vtotal-1, so we have to subtract one (or rather add vtotal-1 |
10727 | * of vtotal-1, so we have to subtract one (or rather add vtotal-1 |
10519 | * to keep the value positive), instead of adding one. |
10728 | * to keep the value positive), instead of adding one. |
10520 | * |
10729 | * |
10521 | * On HSW+ the behaviour of the scanline counter depends on the output |
10730 | * On HSW+ the behaviour of the scanline counter depends on the output |
10522 | * type. For DP ports it behaves like most other platforms, but on HDMI |
10731 | * type. For DP ports it behaves like most other platforms, but on HDMI |
10523 | * there's an extra 1 line difference. So we need to add two instead of |
10732 | * there's an extra 1 line difference. So we need to add two instead of |
10524 | * one to the value. |
10733 | * one to the value. |
10525 | */ |
10734 | */ |
10526 | if (IS_GEN2(dev)) { |
10735 | if (IS_GEN2(dev)) { |
10527 | const struct drm_display_mode *mode = &crtc->config.adjusted_mode; |
10736 | const struct drm_display_mode *mode = &crtc->config.adjusted_mode; |
10528 | int vtotal; |
10737 | int vtotal; |
10529 | 10738 | ||
10530 | vtotal = mode->crtc_vtotal; |
10739 | vtotal = mode->crtc_vtotal; |
10531 | if (mode->flags & DRM_MODE_FLAG_INTERLACE) |
10740 | if (mode->flags & DRM_MODE_FLAG_INTERLACE) |
10532 | vtotal /= 2; |
10741 | vtotal /= 2; |
10533 | 10742 | ||
10534 | crtc->scanline_offset = vtotal - 1; |
10743 | crtc->scanline_offset = vtotal - 1; |
10535 | } else if (HAS_DDI(dev) && |
10744 | } else if (HAS_DDI(dev) && |
10536 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI)) { |
10745 | intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) { |
10537 | crtc->scanline_offset = 2; |
10746 | crtc->scanline_offset = 2; |
10538 | } else |
10747 | } else |
10539 | crtc->scanline_offset = 1; |
10748 | crtc->scanline_offset = 1; |
10540 | } |
10749 | } |
- | 10750 | ||
- | 10751 | static struct intel_crtc_config * |
|
- | 10752 | intel_modeset_compute_config(struct drm_crtc *crtc, |
|
- | 10753 | struct drm_display_mode *mode, |
|
- | 10754 | struct drm_framebuffer *fb, |
|
- | 10755 | unsigned *modeset_pipes, |
|
- | 10756 | unsigned *prepare_pipes, |
|
- | 10757 | unsigned *disable_pipes) |
|
- | 10758 | { |
|
- | 10759 | struct intel_crtc_config *pipe_config = NULL; |
|
- | 10760 | ||
- | 10761 | intel_modeset_affected_pipes(crtc, modeset_pipes, |
|
- | 10762 | prepare_pipes, disable_pipes); |
|
- | 10763 | ||
- | 10764 | if ((*modeset_pipes) == 0) |
|
- | 10765 | goto out; |
|
- | 10766 | ||
- | 10767 | /* |
|
- | 10768 | * Note this needs changes when we start tracking multiple modes |
|
- | 10769 | * and crtcs. At that point we'll need to compute the whole config |
|
- | 10770 | * (i.e. one pipe_config for each crtc) rather than just the one |
|
- | 10771 | * for this crtc. |
|
- | 10772 | */ |
|
- | 10773 | pipe_config = intel_modeset_pipe_config(crtc, fb, mode); |
|
- | 10774 | if (IS_ERR(pipe_config)) { |
|
- | 10775 | goto out; |
|
- | 10776 | } |
|
- | 10777 | intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config, |
|
- | 10778 | "[modeset]"); |
|
- | 10779 | ||
- | 10780 | out: |
|
- | 10781 | return pipe_config; |
|
- | 10782 | } |
|
10541 | 10783 | ||
10542 | static int __intel_set_mode(struct drm_crtc *crtc, |
10784 | static int __intel_set_mode(struct drm_crtc *crtc, |
10543 | struct drm_display_mode *mode, |
10785 | struct drm_display_mode *mode, |
- | 10786 | int x, int y, struct drm_framebuffer *fb, |
|
- | 10787 | struct intel_crtc_config *pipe_config, |
|
- | 10788 | unsigned modeset_pipes, |
|
- | 10789 | unsigned prepare_pipes, |
|
10544 | int x, int y, struct drm_framebuffer *fb) |
10790 | unsigned disable_pipes) |
10545 | { |
10791 | { |
10546 | struct drm_device *dev = crtc->dev; |
10792 | struct drm_device *dev = crtc->dev; |
10547 | struct drm_i915_private *dev_priv = dev->dev_private; |
10793 | struct drm_i915_private *dev_priv = dev->dev_private; |
10548 | struct drm_display_mode *saved_mode; |
10794 | struct drm_display_mode *saved_mode; |
10549 | struct intel_crtc_config *pipe_config = NULL; |
- | |
10550 | struct intel_crtc *intel_crtc; |
10795 | struct intel_crtc *intel_crtc; |
10551 | unsigned disable_pipes, prepare_pipes, modeset_pipes; |
- | |
10552 | int ret = 0; |
10796 | int ret = 0; |
10553 | 10797 | ||
10554 | saved_mode = kmalloc(sizeof(*saved_mode), GFP_KERNEL); |
10798 | saved_mode = kmalloc(sizeof(*saved_mode), GFP_KERNEL); |
10555 | if (!saved_mode) |
10799 | if (!saved_mode) |
10556 | return -ENOMEM; |
10800 | return -ENOMEM; |
10557 | - | ||
10558 | intel_modeset_affected_pipes(crtc, &modeset_pipes, |
- | |
10559 | &prepare_pipes, &disable_pipes); |
- | |
10560 | 10801 | ||
10561 | *saved_mode = crtc->mode; |
- | |
10562 | - | ||
10563 | /* Hack: Because we don't (yet) support global modeset on multiple |
- | |
10564 | * crtcs, we don't keep track of the new mode for more than one crtc. |
- | |
10565 | * Hence simply check whether any bit is set in modeset_pipes in all the |
- | |
10566 | * pieces of code that are not yet converted to deal with mutliple crtcs |
10802 | *saved_mode = crtc->mode; |
10567 | * changing their mode at the same time. */ |
- | |
10568 | if (modeset_pipes) { |
- | |
10569 | pipe_config = intel_modeset_pipe_config(crtc, fb, mode); |
- | |
10570 | if (IS_ERR(pipe_config)) { |
- | |
10571 | ret = PTR_ERR(pipe_config); |
- | |
10572 | pipe_config = NULL; |
- | |
10573 | - | ||
10574 | goto out; |
- | |
10575 | } |
- | |
10576 | intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config, |
10803 | |
10577 | "[modeset]"); |
- | |
10578 | to_intel_crtc(crtc)->new_config = pipe_config; |
10804 | if (modeset_pipes) |
10579 | } |
10805 | to_intel_crtc(crtc)->new_config = pipe_config; |
10580 | 10806 | ||
10581 | /* |
10807 | /* |
10582 | * See if the config requires any additional preparation, e.g. |
10808 | * See if the config requires any additional preparation, e.g. |
10583 | * to adjust global state with pipes off. We need to do this |
10809 | * to adjust global state with pipes off. We need to do this |
10584 | * here so we can get the modeset_pipe updated config for the new |
10810 | * here so we can get the modeset_pipe updated config for the new |
10585 | * mode set on this crtc. For other crtcs we need to use the |
10811 | * mode set on this crtc. For other crtcs we need to use the |
10586 | * adjusted_mode bits in the crtc directly. |
10812 | * adjusted_mode bits in the crtc directly. |
10587 | */ |
10813 | */ |
10588 | if (IS_VALLEYVIEW(dev)) { |
10814 | if (IS_VALLEYVIEW(dev)) { |
10589 | valleyview_modeset_global_pipes(dev, &prepare_pipes); |
10815 | valleyview_modeset_global_pipes(dev, &prepare_pipes); |
10590 | 10816 | ||
10591 | /* may have added more to prepare_pipes than we should */ |
10817 | /* may have added more to prepare_pipes than we should */ |
10592 | prepare_pipes &= ~disable_pipes; |
10818 | prepare_pipes &= ~disable_pipes; |
10593 | } |
10819 | } |
- | 10820 | ||
- | 10821 | if (dev_priv->display.crtc_compute_clock) { |
|
- | 10822 | unsigned clear_pipes = modeset_pipes | disable_pipes; |
|
- | 10823 | ||
- | 10824 | ret = intel_shared_dpll_start_config(dev_priv, clear_pipes); |
|
- | 10825 | if (ret) |
|
- | 10826 | goto done; |
|
- | 10827 | ||
- | 10828 | for_each_intel_crtc_masked(dev, modeset_pipes, intel_crtc) { |
|
- | 10829 | ret = dev_priv->display.crtc_compute_clock(intel_crtc); |
|
- | 10830 | if (ret) { |
|
- | 10831 | intel_shared_dpll_abort_config(dev_priv); |
|
- | 10832 | goto done; |
|
- | 10833 | } |
|
- | 10834 | } |
|
- | 10835 | } |
|
10594 | 10836 | ||
10595 | for_each_intel_crtc_masked(dev, disable_pipes, intel_crtc) |
10837 | for_each_intel_crtc_masked(dev, disable_pipes, intel_crtc) |
10596 | intel_crtc_disable(&intel_crtc->base); |
10838 | intel_crtc_disable(&intel_crtc->base); |
10597 | 10839 | ||
10598 | for_each_intel_crtc_masked(dev, prepare_pipes, intel_crtc) { |
10840 | for_each_intel_crtc_masked(dev, prepare_pipes, intel_crtc) { |
10599 | if (intel_crtc->base.enabled) |
10841 | if (intel_crtc->base.enabled) |
10600 | dev_priv->display.crtc_disable(&intel_crtc->base); |
10842 | dev_priv->display.crtc_disable(&intel_crtc->base); |
10601 | } |
10843 | } |
10602 | 10844 | ||
10603 | /* crtc->mode is already used by the ->mode_set callbacks, hence we need |
10845 | /* crtc->mode is already used by the ->mode_set callbacks, hence we need |
10604 | * to set it here already despite that we pass it down the callchain. |
10846 | * to set it here already despite that we pass it down the callchain. |
- | 10847 | * |
|
- | 10848 | * Note we'll need to fix this up when we start tracking multiple |
|
- | 10849 | * pipes; here we assume a single modeset_pipe and only track the |
|
- | 10850 | * single crtc and mode. |
|
10605 | */ |
10851 | */ |
10606 | if (modeset_pipes) { |
10852 | if (modeset_pipes) { |
10607 | crtc->mode = *mode; |
10853 | crtc->mode = *mode; |
10608 | /* mode_set/enable/disable functions rely on a correct pipe |
10854 | /* mode_set/enable/disable functions rely on a correct pipe |
10609 | * config. */ |
10855 | * config. */ |
10610 | to_intel_crtc(crtc)->config = *pipe_config; |
10856 | to_intel_crtc(crtc)->config = *pipe_config; |
10611 | to_intel_crtc(crtc)->new_config = &to_intel_crtc(crtc)->config; |
10857 | to_intel_crtc(crtc)->new_config = &to_intel_crtc(crtc)->config; |
10612 | 10858 | ||
10613 | /* |
10859 | /* |
10614 | * Calculate and store various constants which |
10860 | * Calculate and store various constants which |
10615 | * are later needed by vblank and swap-completion |
10861 | * are later needed by vblank and swap-completion |
10616 | * timestamping. They are derived from true hwmode. |
10862 | * timestamping. They are derived from true hwmode. |
10617 | */ |
10863 | */ |
10618 | drm_calc_timestamping_constants(crtc, |
10864 | drm_calc_timestamping_constants(crtc, |
10619 | &pipe_config->adjusted_mode); |
10865 | &pipe_config->adjusted_mode); |
10620 | } |
10866 | } |
10621 | 10867 | ||
10622 | /* Only after disabling all output pipelines that will be changed can we |
10868 | /* Only after disabling all output pipelines that will be changed can we |
10623 | * update the the output configuration. */ |
10869 | * update the the output configuration. */ |
10624 | intel_modeset_update_state(dev, prepare_pipes); |
10870 | intel_modeset_update_state(dev, prepare_pipes); |
10625 | - | ||
10626 | if (dev_priv->display.modeset_global_resources) |
10871 | |
10627 | dev_priv->display.modeset_global_resources(dev); |
10872 | modeset_update_crtc_power_domains(dev); |
10628 | 10873 | ||
10629 | /* Set up the DPLL and any encoders state that needs to adjust or depend |
10874 | /* Set up the DPLL and any encoders state that needs to adjust or depend |
10630 | * on the DPLL. |
10875 | * on the DPLL. |
10631 | */ |
10876 | */ |
10632 | for_each_intel_crtc_masked(dev, modeset_pipes, intel_crtc) { |
10877 | for_each_intel_crtc_masked(dev, modeset_pipes, intel_crtc) { |
10633 | struct drm_framebuffer *old_fb = crtc->primary->fb; |
10878 | struct drm_framebuffer *old_fb = crtc->primary->fb; |
10634 | struct drm_i915_gem_object *old_obj = intel_fb_obj(old_fb); |
10879 | struct drm_i915_gem_object *old_obj = intel_fb_obj(old_fb); |
10635 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
10880 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
10636 | 10881 | ||
10637 | mutex_lock(&dev->struct_mutex); |
10882 | mutex_lock(&dev->struct_mutex); |
10638 | ret = intel_pin_and_fence_fb_obj(dev, |
10883 | ret = intel_pin_and_fence_fb_obj(crtc->primary, fb, NULL); |
10639 | obj, |
- | |
10640 | NULL); |
- | |
10641 | if (ret != 0) { |
10884 | if (ret != 0) { |
10642 | DRM_ERROR("pin & fence failed\n"); |
10885 | DRM_ERROR("pin & fence failed\n"); |
10643 | mutex_unlock(&dev->struct_mutex); |
10886 | mutex_unlock(&dev->struct_mutex); |
10644 | goto done; |
10887 | goto done; |
10645 | } |
10888 | } |
10646 | if (old_fb) |
10889 | if (old_fb) |
10647 | intel_unpin_fb_obj(old_obj); |
10890 | intel_unpin_fb_obj(old_obj); |
10648 | i915_gem_track_fb(old_obj, obj, |
10891 | i915_gem_track_fb(old_obj, obj, |
10649 | INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe)); |
10892 | INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe)); |
10650 | mutex_unlock(&dev->struct_mutex); |
10893 | mutex_unlock(&dev->struct_mutex); |
10651 | 10894 | ||
10652 | crtc->primary->fb = fb; |
10895 | crtc->primary->fb = fb; |
10653 | crtc->x = x; |
10896 | crtc->x = x; |
10654 | crtc->y = y; |
10897 | crtc->y = y; |
10655 | - | ||
10656 | ret = dev_priv->display.crtc_mode_set(&intel_crtc->base, |
- | |
10657 | x, y, fb); |
- | |
10658 | if (ret) |
- | |
10659 | goto done; |
- | |
10660 | } |
10898 | } |
10661 | 10899 | ||
10662 | /* Now enable the clocks, plane, pipe, and connectors that we set up. */ |
10900 | /* Now enable the clocks, plane, pipe, and connectors that we set up. */ |
10663 | for_each_intel_crtc_masked(dev, prepare_pipes, intel_crtc) { |
10901 | for_each_intel_crtc_masked(dev, prepare_pipes, intel_crtc) { |
10664 | update_scanline_offset(intel_crtc); |
10902 | update_scanline_offset(intel_crtc); |
10665 | 10903 | ||
10666 | dev_priv->display.crtc_enable(&intel_crtc->base); |
10904 | dev_priv->display.crtc_enable(&intel_crtc->base); |
10667 | } |
10905 | } |
10668 | 10906 | ||
10669 | /* FIXME: add subpixel order */ |
10907 | /* FIXME: add subpixel order */ |
10670 | done: |
10908 | done: |
10671 | if (ret && crtc->enabled) |
10909 | if (ret && crtc->enabled) |
10672 | crtc->mode = *saved_mode; |
10910 | crtc->mode = *saved_mode; |
10673 | - | ||
10674 | out: |
10911 | |
10675 | kfree(pipe_config); |
10912 | kfree(pipe_config); |
10676 | kfree(saved_mode); |
10913 | kfree(saved_mode); |
10677 | return ret; |
10914 | return ret; |
10678 | } |
10915 | } |
10679 | 10916 | ||
10680 | static int intel_set_mode(struct drm_crtc *crtc, |
10917 | static int intel_set_mode_pipes(struct drm_crtc *crtc, |
10681 | struct drm_display_mode *mode, |
10918 | struct drm_display_mode *mode, |
- | 10919 | int x, int y, struct drm_framebuffer *fb, |
|
- | 10920 | struct intel_crtc_config *pipe_config, |
|
- | 10921 | unsigned modeset_pipes, |
|
- | 10922 | unsigned prepare_pipes, |
|
10682 | int x, int y, struct drm_framebuffer *fb) |
10923 | unsigned disable_pipes) |
10683 | { |
10924 | { |
10684 | int ret; |
10925 | int ret; |
10685 | 10926 | ||
- | 10927 | ret = __intel_set_mode(crtc, mode, x, y, fb, pipe_config, modeset_pipes, |
|
10686 | ret = __intel_set_mode(crtc, mode, x, y, fb); |
10928 | prepare_pipes, disable_pipes); |
10687 | 10929 | ||
10688 | if (ret == 0) |
10930 | if (ret == 0) |
10689 | intel_modeset_check_state(crtc->dev); |
10931 | intel_modeset_check_state(crtc->dev); |
10690 | 10932 | ||
10691 | return ret; |
10933 | return ret; |
10692 | } |
10934 | } |
- | 10935 | ||
- | 10936 | static int intel_set_mode(struct drm_crtc *crtc, |
|
- | 10937 | struct drm_display_mode *mode, |
|
- | 10938 | int x, int y, struct drm_framebuffer *fb) |
|
- | 10939 | { |
|
- | 10940 | struct intel_crtc_config *pipe_config; |
|
- | 10941 | unsigned modeset_pipes, prepare_pipes, disable_pipes; |
|
- | 10942 | ||
- | 10943 | pipe_config = intel_modeset_compute_config(crtc, mode, fb, |
|
- | 10944 | &modeset_pipes, |
|
- | 10945 | &prepare_pipes, |
|
- | 10946 | &disable_pipes); |
|
- | 10947 | ||
- | 10948 | if (IS_ERR(pipe_config)) |
|
- | 10949 | return PTR_ERR(pipe_config); |
|
- | 10950 | ||
- | 10951 | return intel_set_mode_pipes(crtc, mode, x, y, fb, pipe_config, |
|
- | 10952 | modeset_pipes, prepare_pipes, |
|
- | 10953 | disable_pipes); |
|
- | 10954 | } |
|
10693 | 10955 | ||
10694 | void intel_crtc_restore_mode(struct drm_crtc *crtc) |
10956 | void intel_crtc_restore_mode(struct drm_crtc *crtc) |
10695 | { |
10957 | { |
10696 | intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, crtc->primary->fb); |
10958 | intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, crtc->primary->fb); |
10697 | } |
10959 | } |
10698 | 10960 | ||
10699 | #undef for_each_intel_crtc_masked |
10961 | #undef for_each_intel_crtc_masked |
10700 | 10962 | ||
10701 | static void intel_set_config_free(struct intel_set_config *config) |
10963 | static void intel_set_config_free(struct intel_set_config *config) |
10702 | { |
10964 | { |
10703 | if (!config) |
10965 | if (!config) |
10704 | return; |
10966 | return; |
10705 | 10967 | ||
10706 | kfree(config->save_connector_encoders); |
10968 | kfree(config->save_connector_encoders); |
10707 | kfree(config->save_encoder_crtcs); |
10969 | kfree(config->save_encoder_crtcs); |
10708 | kfree(config->save_crtc_enabled); |
10970 | kfree(config->save_crtc_enabled); |
10709 | kfree(config); |
10971 | kfree(config); |
10710 | } |
10972 | } |
10711 | 10973 | ||
10712 | static int intel_set_config_save_state(struct drm_device *dev, |
10974 | static int intel_set_config_save_state(struct drm_device *dev, |
10713 | struct intel_set_config *config) |
10975 | struct intel_set_config *config) |
10714 | { |
10976 | { |
10715 | struct drm_crtc *crtc; |
10977 | struct drm_crtc *crtc; |
10716 | struct drm_encoder *encoder; |
10978 | struct drm_encoder *encoder; |
10717 | struct drm_connector *connector; |
10979 | struct drm_connector *connector; |
10718 | int count; |
10980 | int count; |
10719 | 10981 | ||
10720 | config->save_crtc_enabled = |
10982 | config->save_crtc_enabled = |
10721 | kcalloc(dev->mode_config.num_crtc, |
10983 | kcalloc(dev->mode_config.num_crtc, |
10722 | sizeof(bool), GFP_KERNEL); |
10984 | sizeof(bool), GFP_KERNEL); |
10723 | if (!config->save_crtc_enabled) |
10985 | if (!config->save_crtc_enabled) |
10724 | return -ENOMEM; |
10986 | return -ENOMEM; |
10725 | 10987 | ||
10726 | config->save_encoder_crtcs = |
10988 | config->save_encoder_crtcs = |
10727 | kcalloc(dev->mode_config.num_encoder, |
10989 | kcalloc(dev->mode_config.num_encoder, |
10728 | sizeof(struct drm_crtc *), GFP_KERNEL); |
10990 | sizeof(struct drm_crtc *), GFP_KERNEL); |
10729 | if (!config->save_encoder_crtcs) |
10991 | if (!config->save_encoder_crtcs) |
10730 | return -ENOMEM; |
10992 | return -ENOMEM; |
10731 | 10993 | ||
10732 | config->save_connector_encoders = |
10994 | config->save_connector_encoders = |
10733 | kcalloc(dev->mode_config.num_connector, |
10995 | kcalloc(dev->mode_config.num_connector, |
10734 | sizeof(struct drm_encoder *), GFP_KERNEL); |
10996 | sizeof(struct drm_encoder *), GFP_KERNEL); |
10735 | if (!config->save_connector_encoders) |
10997 | if (!config->save_connector_encoders) |
10736 | return -ENOMEM; |
10998 | return -ENOMEM; |
10737 | 10999 | ||
10738 | /* Copy data. Note that driver private data is not affected. |
11000 | /* Copy data. Note that driver private data is not affected. |
10739 | * Should anything bad happen only the expected state is |
11001 | * Should anything bad happen only the expected state is |
10740 | * restored, not the drivers personal bookkeeping. |
11002 | * restored, not the drivers personal bookkeeping. |
10741 | */ |
11003 | */ |
10742 | count = 0; |
11004 | count = 0; |
10743 | for_each_crtc(dev, crtc) { |
11005 | for_each_crtc(dev, crtc) { |
10744 | config->save_crtc_enabled[count++] = crtc->enabled; |
11006 | config->save_crtc_enabled[count++] = crtc->enabled; |
10745 | } |
11007 | } |
10746 | 11008 | ||
10747 | count = 0; |
11009 | count = 0; |
10748 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
11010 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
10749 | config->save_encoder_crtcs[count++] = encoder->crtc; |
11011 | config->save_encoder_crtcs[count++] = encoder->crtc; |
10750 | } |
11012 | } |
10751 | 11013 | ||
10752 | count = 0; |
11014 | count = 0; |
10753 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
11015 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
10754 | config->save_connector_encoders[count++] = connector->encoder; |
11016 | config->save_connector_encoders[count++] = connector->encoder; |
10755 | } |
11017 | } |
10756 | 11018 | ||
10757 | return 0; |
11019 | return 0; |
10758 | } |
11020 | } |
10759 | 11021 | ||
10760 | static void intel_set_config_restore_state(struct drm_device *dev, |
11022 | static void intel_set_config_restore_state(struct drm_device *dev, |
10761 | struct intel_set_config *config) |
11023 | struct intel_set_config *config) |
10762 | { |
11024 | { |
10763 | struct intel_crtc *crtc; |
11025 | struct intel_crtc *crtc; |
10764 | struct intel_encoder *encoder; |
11026 | struct intel_encoder *encoder; |
10765 | struct intel_connector *connector; |
11027 | struct intel_connector *connector; |
10766 | int count; |
11028 | int count; |
10767 | 11029 | ||
10768 | count = 0; |
11030 | count = 0; |
10769 | for_each_intel_crtc(dev, crtc) { |
11031 | for_each_intel_crtc(dev, crtc) { |
10770 | crtc->new_enabled = config->save_crtc_enabled[count++]; |
11032 | crtc->new_enabled = config->save_crtc_enabled[count++]; |
10771 | 11033 | ||
10772 | if (crtc->new_enabled) |
11034 | if (crtc->new_enabled) |
10773 | crtc->new_config = &crtc->config; |
11035 | crtc->new_config = &crtc->config; |
10774 | else |
11036 | else |
10775 | crtc->new_config = NULL; |
11037 | crtc->new_config = NULL; |
10776 | } |
11038 | } |
10777 | 11039 | ||
10778 | count = 0; |
11040 | count = 0; |
10779 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) { |
11041 | for_each_intel_encoder(dev, encoder) { |
10780 | encoder->new_crtc = |
11042 | encoder->new_crtc = |
10781 | to_intel_crtc(config->save_encoder_crtcs[count++]); |
11043 | to_intel_crtc(config->save_encoder_crtcs[count++]); |
10782 | } |
11044 | } |
10783 | 11045 | ||
10784 | count = 0; |
11046 | count = 0; |
10785 | list_for_each_entry(connector, &dev->mode_config.connector_list, base.head) { |
11047 | list_for_each_entry(connector, &dev->mode_config.connector_list, base.head) { |
10786 | connector->new_encoder = |
11048 | connector->new_encoder = |
10787 | to_intel_encoder(config->save_connector_encoders[count++]); |
11049 | to_intel_encoder(config->save_connector_encoders[count++]); |
10788 | } |
11050 | } |
10789 | } |
11051 | } |
10790 | 11052 | ||
10791 | static bool |
11053 | static bool |
10792 | is_crtc_connector_off(struct drm_mode_set *set) |
11054 | is_crtc_connector_off(struct drm_mode_set *set) |
10793 | { |
11055 | { |
10794 | int i; |
11056 | int i; |
10795 | 11057 | ||
10796 | if (set->num_connectors == 0) |
11058 | if (set->num_connectors == 0) |
10797 | return false; |
11059 | return false; |
10798 | 11060 | ||
10799 | if (WARN_ON(set->connectors == NULL)) |
11061 | if (WARN_ON(set->connectors == NULL)) |
10800 | return false; |
11062 | return false; |
10801 | 11063 | ||
10802 | for (i = 0; i < set->num_connectors; i++) |
11064 | for (i = 0; i < set->num_connectors; i++) |
10803 | if (set->connectors[i]->encoder && |
11065 | if (set->connectors[i]->encoder && |
10804 | set->connectors[i]->encoder->crtc == set->crtc && |
11066 | set->connectors[i]->encoder->crtc == set->crtc && |
10805 | set->connectors[i]->dpms != DRM_MODE_DPMS_ON) |
11067 | set->connectors[i]->dpms != DRM_MODE_DPMS_ON) |
10806 | return true; |
11068 | return true; |
10807 | 11069 | ||
10808 | return false; |
11070 | return false; |
10809 | } |
11071 | } |
10810 | 11072 | ||
10811 | static void |
11073 | static void |
10812 | intel_set_config_compute_mode_changes(struct drm_mode_set *set, |
11074 | intel_set_config_compute_mode_changes(struct drm_mode_set *set, |
10813 | struct intel_set_config *config) |
11075 | struct intel_set_config *config) |
10814 | { |
11076 | { |
10815 | 11077 | ||
10816 | /* We should be able to check here if the fb has the same properties |
11078 | /* We should be able to check here if the fb has the same properties |
10817 | * and then just flip_or_move it */ |
11079 | * and then just flip_or_move it */ |
10818 | if (is_crtc_connector_off(set)) { |
11080 | if (is_crtc_connector_off(set)) { |
10819 | config->mode_changed = true; |
11081 | config->mode_changed = true; |
10820 | } else if (set->crtc->primary->fb != set->fb) { |
11082 | } else if (set->crtc->primary->fb != set->fb) { |
10821 | /* |
11083 | /* |
10822 | * If we have no fb, we can only flip as long as the crtc is |
11084 | * If we have no fb, we can only flip as long as the crtc is |
10823 | * active, otherwise we need a full mode set. The crtc may |
11085 | * active, otherwise we need a full mode set. The crtc may |
10824 | * be active if we've only disabled the primary plane, or |
11086 | * be active if we've only disabled the primary plane, or |
10825 | * in fastboot situations. |
11087 | * in fastboot situations. |
10826 | */ |
11088 | */ |
10827 | if (set->crtc->primary->fb == NULL) { |
11089 | if (set->crtc->primary->fb == NULL) { |
10828 | struct intel_crtc *intel_crtc = |
11090 | struct intel_crtc *intel_crtc = |
10829 | to_intel_crtc(set->crtc); |
11091 | to_intel_crtc(set->crtc); |
10830 | 11092 | ||
10831 | if (intel_crtc->active) { |
11093 | if (intel_crtc->active) { |
10832 | DRM_DEBUG_KMS("crtc has no fb, will flip\n"); |
11094 | DRM_DEBUG_KMS("crtc has no fb, will flip\n"); |
10833 | config->fb_changed = true; |
11095 | config->fb_changed = true; |
10834 | } else { |
11096 | } else { |
10835 | DRM_DEBUG_KMS("inactive crtc, full mode set\n"); |
11097 | DRM_DEBUG_KMS("inactive crtc, full mode set\n"); |
10836 | config->mode_changed = true; |
11098 | config->mode_changed = true; |
10837 | } |
11099 | } |
10838 | } else if (set->fb == NULL) { |
11100 | } else if (set->fb == NULL) { |
10839 | config->mode_changed = true; |
11101 | config->mode_changed = true; |
10840 | } else if (set->fb->pixel_format != |
11102 | } else if (set->fb->pixel_format != |
10841 | set->crtc->primary->fb->pixel_format) { |
11103 | set->crtc->primary->fb->pixel_format) { |
10842 | config->mode_changed = true; |
11104 | config->mode_changed = true; |
10843 | } else { |
11105 | } else { |
10844 | config->fb_changed = true; |
11106 | config->fb_changed = true; |
10845 | } |
11107 | } |
10846 | } |
11108 | } |
10847 | 11109 | ||
10848 | if (set->fb && (set->x != set->crtc->x || set->y != set->crtc->y)) |
11110 | if (set->fb && (set->x != set->crtc->x || set->y != set->crtc->y)) |
10849 | config->fb_changed = true; |
11111 | config->fb_changed = true; |
10850 | 11112 | ||
10851 | if (set->mode && !drm_mode_equal(set->mode, &set->crtc->mode)) { |
11113 | if (set->mode && !drm_mode_equal(set->mode, &set->crtc->mode)) { |
10852 | DRM_DEBUG_KMS("modes are different, full mode set\n"); |
11114 | DRM_DEBUG_KMS("modes are different, full mode set\n"); |
10853 | drm_mode_debug_printmodeline(&set->crtc->mode); |
11115 | drm_mode_debug_printmodeline(&set->crtc->mode); |
10854 | drm_mode_debug_printmodeline(set->mode); |
11116 | drm_mode_debug_printmodeline(set->mode); |
10855 | config->mode_changed = true; |
11117 | config->mode_changed = true; |
10856 | } |
11118 | } |
10857 | 11119 | ||
10858 | DRM_DEBUG_KMS("computed changes for [CRTC:%d], mode_changed=%d, fb_changed=%d\n", |
11120 | DRM_DEBUG_KMS("computed changes for [CRTC:%d], mode_changed=%d, fb_changed=%d\n", |
10859 | set->crtc->base.id, config->mode_changed, config->fb_changed); |
11121 | set->crtc->base.id, config->mode_changed, config->fb_changed); |
10860 | } |
11122 | } |
10861 | 11123 | ||
10862 | static int |
11124 | static int |
10863 | intel_modeset_stage_output_state(struct drm_device *dev, |
11125 | intel_modeset_stage_output_state(struct drm_device *dev, |
10864 | struct drm_mode_set *set, |
11126 | struct drm_mode_set *set, |
10865 | struct intel_set_config *config) |
11127 | struct intel_set_config *config) |
10866 | { |
11128 | { |
10867 | struct intel_connector *connector; |
11129 | struct intel_connector *connector; |
10868 | struct intel_encoder *encoder; |
11130 | struct intel_encoder *encoder; |
10869 | struct intel_crtc *crtc; |
11131 | struct intel_crtc *crtc; |
10870 | int ro; |
11132 | int ro; |
10871 | 11133 | ||
10872 | /* The upper layers ensure that we either disable a crtc or have a list |
11134 | /* The upper layers ensure that we either disable a crtc or have a list |
10873 | * of connectors. For paranoia, double-check this. */ |
11135 | * of connectors. For paranoia, double-check this. */ |
10874 | WARN_ON(!set->fb && (set->num_connectors != 0)); |
11136 | WARN_ON(!set->fb && (set->num_connectors != 0)); |
10875 | WARN_ON(set->fb && (set->num_connectors == 0)); |
11137 | WARN_ON(set->fb && (set->num_connectors == 0)); |
10876 | 11138 | ||
10877 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
11139 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
10878 | base.head) { |
11140 | base.head) { |
10879 | /* Otherwise traverse passed in connector list and get encoders |
11141 | /* Otherwise traverse passed in connector list and get encoders |
10880 | * for them. */ |
11142 | * for them. */ |
10881 | for (ro = 0; ro < set->num_connectors; ro++) { |
11143 | for (ro = 0; ro < set->num_connectors; ro++) { |
10882 | if (set->connectors[ro] == &connector->base) { |
11144 | if (set->connectors[ro] == &connector->base) { |
10883 | connector->new_encoder = intel_find_encoder(connector, to_intel_crtc(set->crtc)->pipe); |
11145 | connector->new_encoder = intel_find_encoder(connector, to_intel_crtc(set->crtc)->pipe); |
10884 | break; |
11146 | break; |
10885 | } |
11147 | } |
10886 | } |
11148 | } |
10887 | 11149 | ||
10888 | /* If we disable the crtc, disable all its connectors. Also, if |
11150 | /* If we disable the crtc, disable all its connectors. Also, if |
10889 | * the connector is on the changing crtc but not on the new |
11151 | * the connector is on the changing crtc but not on the new |
10890 | * connector list, disable it. */ |
11152 | * connector list, disable it. */ |
10891 | if ((!set->fb || ro == set->num_connectors) && |
11153 | if ((!set->fb || ro == set->num_connectors) && |
10892 | connector->base.encoder && |
11154 | connector->base.encoder && |
10893 | connector->base.encoder->crtc == set->crtc) { |
11155 | connector->base.encoder->crtc == set->crtc) { |
10894 | connector->new_encoder = NULL; |
11156 | connector->new_encoder = NULL; |
10895 | 11157 | ||
10896 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [NOCRTC]\n", |
11158 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [NOCRTC]\n", |
10897 | connector->base.base.id, |
11159 | connector->base.base.id, |
10898 | connector->base.name); |
11160 | connector->base.name); |
10899 | } |
11161 | } |
10900 | 11162 | ||
10901 | 11163 | ||
10902 | if (&connector->new_encoder->base != connector->base.encoder) { |
11164 | if (&connector->new_encoder->base != connector->base.encoder) { |
10903 | DRM_DEBUG_KMS("encoder changed, full mode switch\n"); |
11165 | DRM_DEBUG_KMS("encoder changed, full mode switch\n"); |
10904 | config->mode_changed = true; |
11166 | config->mode_changed = true; |
10905 | } |
11167 | } |
10906 | } |
11168 | } |
10907 | /* connector->new_encoder is now updated for all connectors. */ |
11169 | /* connector->new_encoder is now updated for all connectors. */ |
10908 | 11170 | ||
10909 | /* Update crtc of enabled connectors. */ |
11171 | /* Update crtc of enabled connectors. */ |
10910 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
11172 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
10911 | base.head) { |
11173 | base.head) { |
10912 | struct drm_crtc *new_crtc; |
11174 | struct drm_crtc *new_crtc; |
10913 | 11175 | ||
10914 | if (!connector->new_encoder) |
11176 | if (!connector->new_encoder) |
10915 | continue; |
11177 | continue; |
10916 | 11178 | ||
10917 | new_crtc = connector->new_encoder->base.crtc; |
11179 | new_crtc = connector->new_encoder->base.crtc; |
10918 | 11180 | ||
10919 | for (ro = 0; ro < set->num_connectors; ro++) { |
11181 | for (ro = 0; ro < set->num_connectors; ro++) { |
10920 | if (set->connectors[ro] == &connector->base) |
11182 | if (set->connectors[ro] == &connector->base) |
10921 | new_crtc = set->crtc; |
11183 | new_crtc = set->crtc; |
10922 | } |
11184 | } |
10923 | 11185 | ||
10924 | /* Make sure the new CRTC will work with the encoder */ |
11186 | /* Make sure the new CRTC will work with the encoder */ |
10925 | if (!drm_encoder_crtc_ok(&connector->new_encoder->base, |
11187 | if (!drm_encoder_crtc_ok(&connector->new_encoder->base, |
10926 | new_crtc)) { |
11188 | new_crtc)) { |
10927 | return -EINVAL; |
11189 | return -EINVAL; |
10928 | } |
11190 | } |
10929 | connector->new_encoder->new_crtc = to_intel_crtc(new_crtc); |
11191 | connector->new_encoder->new_crtc = to_intel_crtc(new_crtc); |
10930 | 11192 | ||
10931 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [CRTC:%d]\n", |
11193 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [CRTC:%d]\n", |
10932 | connector->base.base.id, |
11194 | connector->base.base.id, |
10933 | connector->base.name, |
11195 | connector->base.name, |
10934 | new_crtc->base.id); |
11196 | new_crtc->base.id); |
10935 | } |
11197 | } |
10936 | 11198 | ||
10937 | /* Check for any encoders that needs to be disabled. */ |
11199 | /* Check for any encoders that needs to be disabled. */ |
10938 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
11200 | for_each_intel_encoder(dev, encoder) { |
10939 | base.head) { |
- | |
10940 | int num_connectors = 0; |
11201 | int num_connectors = 0; |
10941 | list_for_each_entry(connector, |
11202 | list_for_each_entry(connector, |
10942 | &dev->mode_config.connector_list, |
11203 | &dev->mode_config.connector_list, |
10943 | base.head) { |
11204 | base.head) { |
10944 | if (connector->new_encoder == encoder) { |
11205 | if (connector->new_encoder == encoder) { |
10945 | WARN_ON(!connector->new_encoder->new_crtc); |
11206 | WARN_ON(!connector->new_encoder->new_crtc); |
10946 | num_connectors++; |
11207 | num_connectors++; |
10947 | } |
11208 | } |
10948 | } |
11209 | } |
10949 | 11210 | ||
10950 | if (num_connectors == 0) |
11211 | if (num_connectors == 0) |
10951 | encoder->new_crtc = NULL; |
11212 | encoder->new_crtc = NULL; |
10952 | else if (num_connectors > 1) |
11213 | else if (num_connectors > 1) |
10953 | return -EINVAL; |
11214 | return -EINVAL; |
10954 | 11215 | ||
10955 | /* Only now check for crtc changes so we don't miss encoders |
11216 | /* Only now check for crtc changes so we don't miss encoders |
10956 | * that will be disabled. */ |
11217 | * that will be disabled. */ |
10957 | if (&encoder->new_crtc->base != encoder->base.crtc) { |
11218 | if (&encoder->new_crtc->base != encoder->base.crtc) { |
10958 | DRM_DEBUG_KMS("crtc changed, full mode switch\n"); |
11219 | DRM_DEBUG_KMS("crtc changed, full mode switch\n"); |
10959 | config->mode_changed = true; |
11220 | config->mode_changed = true; |
10960 | } |
11221 | } |
10961 | } |
11222 | } |
10962 | /* Now we've also updated encoder->new_crtc for all encoders. */ |
11223 | /* Now we've also updated encoder->new_crtc for all encoders. */ |
10963 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
11224 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
10964 | base.head) { |
11225 | base.head) { |
10965 | if (connector->new_encoder) |
11226 | if (connector->new_encoder) |
10966 | if (connector->new_encoder != connector->encoder) |
11227 | if (connector->new_encoder != connector->encoder) |
10967 | connector->encoder = connector->new_encoder; |
11228 | connector->encoder = connector->new_encoder; |
10968 | } |
11229 | } |
10969 | for_each_intel_crtc(dev, crtc) { |
11230 | for_each_intel_crtc(dev, crtc) { |
10970 | crtc->new_enabled = false; |
11231 | crtc->new_enabled = false; |
10971 | 11232 | ||
10972 | list_for_each_entry(encoder, |
- | |
10973 | &dev->mode_config.encoder_list, |
- | |
10974 | base.head) { |
11233 | for_each_intel_encoder(dev, encoder) { |
10975 | if (encoder->new_crtc == crtc) { |
11234 | if (encoder->new_crtc == crtc) { |
10976 | crtc->new_enabled = true; |
11235 | crtc->new_enabled = true; |
10977 | break; |
11236 | break; |
10978 | } |
11237 | } |
10979 | } |
11238 | } |
10980 | 11239 | ||
10981 | if (crtc->new_enabled != crtc->base.enabled) { |
11240 | if (crtc->new_enabled != crtc->base.enabled) { |
10982 | DRM_DEBUG_KMS("crtc %sabled, full mode switch\n", |
11241 | DRM_DEBUG_KMS("crtc %sabled, full mode switch\n", |
10983 | crtc->new_enabled ? "en" : "dis"); |
11242 | crtc->new_enabled ? "en" : "dis"); |
10984 | config->mode_changed = true; |
11243 | config->mode_changed = true; |
10985 | } |
11244 | } |
10986 | 11245 | ||
10987 | if (crtc->new_enabled) |
11246 | if (crtc->new_enabled) |
10988 | crtc->new_config = &crtc->config; |
11247 | crtc->new_config = &crtc->config; |
10989 | else |
11248 | else |
10990 | crtc->new_config = NULL; |
11249 | crtc->new_config = NULL; |
10991 | } |
11250 | } |
10992 | 11251 | ||
10993 | return 0; |
11252 | return 0; |
10994 | } |
11253 | } |
10995 | 11254 | ||
10996 | static void disable_crtc_nofb(struct intel_crtc *crtc) |
11255 | static void disable_crtc_nofb(struct intel_crtc *crtc) |
10997 | { |
11256 | { |
10998 | struct drm_device *dev = crtc->base.dev; |
11257 | struct drm_device *dev = crtc->base.dev; |
10999 | struct intel_encoder *encoder; |
11258 | struct intel_encoder *encoder; |
11000 | struct intel_connector *connector; |
11259 | struct intel_connector *connector; |
11001 | 11260 | ||
11002 | DRM_DEBUG_KMS("Trying to restore without FB -> disabling pipe %c\n", |
11261 | DRM_DEBUG_KMS("Trying to restore without FB -> disabling pipe %c\n", |
11003 | pipe_name(crtc->pipe)); |
11262 | pipe_name(crtc->pipe)); |
11004 | 11263 | ||
11005 | list_for_each_entry(connector, &dev->mode_config.connector_list, base.head) { |
11264 | list_for_each_entry(connector, &dev->mode_config.connector_list, base.head) { |
11006 | if (connector->new_encoder && |
11265 | if (connector->new_encoder && |
11007 | connector->new_encoder->new_crtc == crtc) |
11266 | connector->new_encoder->new_crtc == crtc) |
11008 | connector->new_encoder = NULL; |
11267 | connector->new_encoder = NULL; |
11009 | } |
11268 | } |
11010 | 11269 | ||
11011 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) { |
11270 | for_each_intel_encoder(dev, encoder) { |
11012 | if (encoder->new_crtc == crtc) |
11271 | if (encoder->new_crtc == crtc) |
11013 | encoder->new_crtc = NULL; |
11272 | encoder->new_crtc = NULL; |
11014 | } |
11273 | } |
11015 | 11274 | ||
11016 | crtc->new_enabled = false; |
11275 | crtc->new_enabled = false; |
11017 | crtc->new_config = NULL; |
11276 | crtc->new_config = NULL; |
11018 | } |
11277 | } |
11019 | 11278 | ||
11020 | static int intel_crtc_set_config(struct drm_mode_set *set) |
11279 | static int intel_crtc_set_config(struct drm_mode_set *set) |
11021 | { |
11280 | { |
11022 | struct drm_device *dev; |
11281 | struct drm_device *dev; |
11023 | struct drm_mode_set save_set; |
11282 | struct drm_mode_set save_set; |
11024 | struct intel_set_config *config; |
11283 | struct intel_set_config *config; |
- | 11284 | struct intel_crtc_config *pipe_config; |
|
- | 11285 | unsigned modeset_pipes, prepare_pipes, disable_pipes; |
|
11025 | int ret; |
11286 | int ret; |
11026 | 11287 | ||
11027 | BUG_ON(!set); |
11288 | BUG_ON(!set); |
11028 | BUG_ON(!set->crtc); |
11289 | BUG_ON(!set->crtc); |
11029 | BUG_ON(!set->crtc->helper_private); |
11290 | BUG_ON(!set->crtc->helper_private); |
11030 | 11291 | ||
11031 | /* Enforce sane interface api - has been abused by the fb helper. */ |
11292 | /* Enforce sane interface api - has been abused by the fb helper. */ |
11032 | BUG_ON(!set->mode && set->fb); |
11293 | BUG_ON(!set->mode && set->fb); |
11033 | BUG_ON(set->fb && set->num_connectors == 0); |
11294 | BUG_ON(set->fb && set->num_connectors == 0); |
11034 | 11295 | ||
11035 | if (set->fb) { |
11296 | if (set->fb) { |
11036 | DRM_DEBUG_KMS("[CRTC:%d] [FB:%d] #connectors=%d (x y) (%i %i)\n", |
11297 | DRM_DEBUG_KMS("[CRTC:%d] [FB:%d] #connectors=%d (x y) (%i %i)\n", |
11037 | set->crtc->base.id, set->fb->base.id, |
11298 | set->crtc->base.id, set->fb->base.id, |
11038 | (int)set->num_connectors, set->x, set->y); |
11299 | (int)set->num_connectors, set->x, set->y); |
11039 | } else { |
11300 | } else { |
11040 | DRM_DEBUG_KMS("[CRTC:%d] [NOFB]\n", set->crtc->base.id); |
11301 | DRM_DEBUG_KMS("[CRTC:%d] [NOFB]\n", set->crtc->base.id); |
11041 | } |
11302 | } |
11042 | 11303 | ||
11043 | dev = set->crtc->dev; |
11304 | dev = set->crtc->dev; |
11044 | 11305 | ||
11045 | ret = -ENOMEM; |
11306 | ret = -ENOMEM; |
11046 | config = kzalloc(sizeof(*config), GFP_KERNEL); |
11307 | config = kzalloc(sizeof(*config), GFP_KERNEL); |
11047 | if (!config) |
11308 | if (!config) |
11048 | goto out_config; |
11309 | goto out_config; |
11049 | 11310 | ||
11050 | ret = intel_set_config_save_state(dev, config); |
11311 | ret = intel_set_config_save_state(dev, config); |
11051 | if (ret) |
11312 | if (ret) |
11052 | goto out_config; |
11313 | goto out_config; |
11053 | 11314 | ||
11054 | save_set.crtc = set->crtc; |
11315 | save_set.crtc = set->crtc; |
11055 | save_set.mode = &set->crtc->mode; |
11316 | save_set.mode = &set->crtc->mode; |
11056 | save_set.x = set->crtc->x; |
11317 | save_set.x = set->crtc->x; |
11057 | save_set.y = set->crtc->y; |
11318 | save_set.y = set->crtc->y; |
11058 | save_set.fb = set->crtc->primary->fb; |
11319 | save_set.fb = set->crtc->primary->fb; |
11059 | 11320 | ||
11060 | /* Compute whether we need a full modeset, only an fb base update or no |
11321 | /* Compute whether we need a full modeset, only an fb base update or no |
11061 | * change at all. In the future we might also check whether only the |
11322 | * change at all. In the future we might also check whether only the |
11062 | * mode changed, e.g. for LVDS where we only change the panel fitter in |
11323 | * mode changed, e.g. for LVDS where we only change the panel fitter in |
11063 | * such cases. */ |
11324 | * such cases. */ |
11064 | intel_set_config_compute_mode_changes(set, config); |
11325 | intel_set_config_compute_mode_changes(set, config); |
11065 | 11326 | ||
11066 | ret = intel_modeset_stage_output_state(dev, set, config); |
11327 | ret = intel_modeset_stage_output_state(dev, set, config); |
11067 | if (ret) |
11328 | if (ret) |
11068 | goto fail; |
11329 | goto fail; |
- | 11330 | ||
- | 11331 | pipe_config = intel_modeset_compute_config(set->crtc, set->mode, |
|
- | 11332 | set->fb, |
|
- | 11333 | &modeset_pipes, |
|
- | 11334 | &prepare_pipes, |
|
- | 11335 | &disable_pipes); |
|
- | 11336 | if (IS_ERR(pipe_config)) { |
|
- | 11337 | ret = PTR_ERR(pipe_config); |
|
- | 11338 | goto fail; |
|
- | 11339 | } else if (pipe_config) { |
|
- | 11340 | if (pipe_config->has_audio != |
|
- | 11341 | to_intel_crtc(set->crtc)->config.has_audio) |
|
- | 11342 | config->mode_changed = true; |
|
- | 11343 | ||
- | 11344 | /* |
|
- | 11345 | * Note we have an issue here with infoframes: current code |
|
- | 11346 | * only updates them on the full mode set path per hw |
|
- | 11347 | * requirements. So here we should be checking for any |
|
- | 11348 | * required changes and forcing a mode set. |
|
- | 11349 | */ |
|
- | 11350 | } |
|
- | 11351 | ||
- | 11352 | /* set_mode will free it in the mode_changed case */ |
|
- | 11353 | if (!config->mode_changed) |
|
- | 11354 | kfree(pipe_config); |
|
- | 11355 | ||
- | 11356 | intel_update_pipe_size(to_intel_crtc(set->crtc)); |
|
11069 | 11357 | ||
11070 | if (config->mode_changed) { |
11358 | if (config->mode_changed) { |
11071 | ret = intel_set_mode(set->crtc, set->mode, |
11359 | ret = intel_set_mode_pipes(set->crtc, set->mode, |
- | 11360 | set->x, set->y, set->fb, pipe_config, |
|
- | 11361 | modeset_pipes, prepare_pipes, |
|
11072 | set->x, set->y, set->fb); |
11362 | disable_pipes); |
11073 | } else if (config->fb_changed) { |
- | |
11074 | struct drm_i915_private *dev_priv = dev->dev_private; |
11363 | } else if (config->fb_changed) { |
- | 11364 | struct intel_crtc *intel_crtc = to_intel_crtc(set->crtc); |
|
11075 | struct intel_crtc *intel_crtc = to_intel_crtc(set->crtc); |
11365 | |
11076 | 11366 | // intel_crtc_wait_for_pending_flips(set->crtc); |
|
11077 | 11367 | ||
11078 | ret = intel_pipe_set_base(set->crtc, |
11368 | ret = intel_pipe_set_base(set->crtc, |
11079 | set->x, set->y, set->fb); |
11369 | set->x, set->y, set->fb); |
11080 | 11370 | ||
11081 | /* |
11371 | /* |
11082 | * We need to make sure the primary plane is re-enabled if it |
11372 | * We need to make sure the primary plane is re-enabled if it |
11083 | * has previously been turned off. |
11373 | * has previously been turned off. |
11084 | */ |
11374 | */ |
11085 | if (!intel_crtc->primary_enabled && ret == 0) { |
11375 | if (!intel_crtc->primary_enabled && ret == 0) { |
11086 | WARN_ON(!intel_crtc->active); |
11376 | WARN_ON(!intel_crtc->active); |
11087 | intel_enable_primary_hw_plane(dev_priv, intel_crtc->plane, |
11377 | intel_enable_primary_hw_plane(set->crtc->primary, set->crtc); |
11088 | intel_crtc->pipe); |
- | |
11089 | } |
11378 | } |
11090 | 11379 | ||
11091 | /* |
11380 | /* |
11092 | * In the fastboot case this may be our only check of the |
11381 | * In the fastboot case this may be our only check of the |
11093 | * state after boot. It would be better to only do it on |
11382 | * state after boot. It would be better to only do it on |
11094 | * the first update, but we don't have a nice way of doing that |
11383 | * the first update, but we don't have a nice way of doing that |
11095 | * (and really, set_config isn't used much for high freq page |
11384 | * (and really, set_config isn't used much for high freq page |
11096 | * flipping, so increasing its cost here shouldn't be a big |
11385 | * flipping, so increasing its cost here shouldn't be a big |
11097 | * deal). |
11386 | * deal). |
11098 | */ |
11387 | */ |
11099 | if (i915.fastboot && ret == 0) |
11388 | if (i915.fastboot && ret == 0) |
11100 | intel_modeset_check_state(set->crtc->dev); |
11389 | intel_modeset_check_state(set->crtc->dev); |
11101 | } |
11390 | } |
11102 | 11391 | ||
11103 | if (ret) { |
11392 | if (ret) { |
11104 | DRM_DEBUG_KMS("failed to set mode on [CRTC:%d], err = %d\n", |
11393 | DRM_DEBUG_KMS("failed to set mode on [CRTC:%d], err = %d\n", |
11105 | set->crtc->base.id, ret); |
11394 | set->crtc->base.id, ret); |
11106 | fail: |
11395 | fail: |
11107 | intel_set_config_restore_state(dev, config); |
11396 | intel_set_config_restore_state(dev, config); |
11108 | 11397 | ||
11109 | /* |
11398 | /* |
11110 | * HACK: if the pipe was on, but we didn't have a framebuffer, |
11399 | * HACK: if the pipe was on, but we didn't have a framebuffer, |
11111 | * force the pipe off to avoid oopsing in the modeset code |
11400 | * force the pipe off to avoid oopsing in the modeset code |
11112 | * due to fb==NULL. This should only happen during boot since |
11401 | * due to fb==NULL. This should only happen during boot since |
11113 | * we don't yet reconstruct the FB from the hardware state. |
11402 | * we don't yet reconstruct the FB from the hardware state. |
11114 | */ |
11403 | */ |
11115 | if (to_intel_crtc(save_set.crtc)->new_enabled && !save_set.fb) |
11404 | if (to_intel_crtc(save_set.crtc)->new_enabled && !save_set.fb) |
11116 | disable_crtc_nofb(to_intel_crtc(save_set.crtc)); |
11405 | disable_crtc_nofb(to_intel_crtc(save_set.crtc)); |
11117 | 11406 | ||
11118 | /* Try to restore the config */ |
11407 | /* Try to restore the config */ |
11119 | if (config->mode_changed && |
11408 | if (config->mode_changed && |
11120 | intel_set_mode(save_set.crtc, save_set.mode, |
11409 | intel_set_mode(save_set.crtc, save_set.mode, |
11121 | save_set.x, save_set.y, save_set.fb)) |
11410 | save_set.x, save_set.y, save_set.fb)) |
11122 | DRM_ERROR("failed to restore config after modeset failure\n"); |
11411 | DRM_ERROR("failed to restore config after modeset failure\n"); |
11123 | } |
11412 | } |
11124 | 11413 | ||
11125 | out_config: |
11414 | out_config: |
11126 | intel_set_config_free(config); |
11415 | intel_set_config_free(config); |
11127 | return ret; |
11416 | return ret; |
11128 | } |
11417 | } |
11129 | 11418 | ||
11130 | static const struct drm_crtc_funcs intel_crtc_funcs = { |
11419 | static const struct drm_crtc_funcs intel_crtc_funcs = { |
11131 | .gamma_set = intel_crtc_gamma_set, |
11420 | .gamma_set = intel_crtc_gamma_set, |
11132 | .set_config = intel_crtc_set_config, |
11421 | .set_config = intel_crtc_set_config, |
11133 | .destroy = intel_crtc_destroy, |
11422 | .destroy = intel_crtc_destroy, |
11134 | // .page_flip = intel_crtc_page_flip, |
11423 | // .page_flip = intel_crtc_page_flip, |
11135 | }; |
11424 | }; |
11136 | 11425 | ||
11137 | static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv, |
11426 | static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv, |
11138 | struct intel_shared_dpll *pll, |
11427 | struct intel_shared_dpll *pll, |
11139 | struct intel_dpll_hw_state *hw_state) |
11428 | struct intel_dpll_hw_state *hw_state) |
11140 | { |
11429 | { |
11141 | uint32_t val; |
11430 | uint32_t val; |
11142 | 11431 | ||
11143 | if (!intel_display_power_enabled(dev_priv, POWER_DOMAIN_PLLS)) |
11432 | if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PLLS)) |
11144 | return false; |
11433 | return false; |
11145 | 11434 | ||
11146 | val = I915_READ(PCH_DPLL(pll->id)); |
11435 | val = I915_READ(PCH_DPLL(pll->id)); |
11147 | hw_state->dpll = val; |
11436 | hw_state->dpll = val; |
11148 | hw_state->fp0 = I915_READ(PCH_FP0(pll->id)); |
11437 | hw_state->fp0 = I915_READ(PCH_FP0(pll->id)); |
11149 | hw_state->fp1 = I915_READ(PCH_FP1(pll->id)); |
11438 | hw_state->fp1 = I915_READ(PCH_FP1(pll->id)); |
11150 | 11439 | ||
11151 | return val & DPLL_VCO_ENABLE; |
11440 | return val & DPLL_VCO_ENABLE; |
11152 | } |
11441 | } |
11153 | 11442 | ||
11154 | static void ibx_pch_dpll_mode_set(struct drm_i915_private *dev_priv, |
11443 | static void ibx_pch_dpll_mode_set(struct drm_i915_private *dev_priv, |
11155 | struct intel_shared_dpll *pll) |
11444 | struct intel_shared_dpll *pll) |
11156 | { |
11445 | { |
11157 | I915_WRITE(PCH_FP0(pll->id), pll->hw_state.fp0); |
11446 | I915_WRITE(PCH_FP0(pll->id), pll->config.hw_state.fp0); |
11158 | I915_WRITE(PCH_FP1(pll->id), pll->hw_state.fp1); |
11447 | I915_WRITE(PCH_FP1(pll->id), pll->config.hw_state.fp1); |
11159 | } |
11448 | } |
11160 | 11449 | ||
11161 | static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv, |
11450 | static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv, |
11162 | struct intel_shared_dpll *pll) |
11451 | struct intel_shared_dpll *pll) |
11163 | { |
11452 | { |
11164 | /* PCH refclock must be enabled first */ |
11453 | /* PCH refclock must be enabled first */ |
11165 | ibx_assert_pch_refclk_enabled(dev_priv); |
11454 | ibx_assert_pch_refclk_enabled(dev_priv); |
11166 | 11455 | ||
11167 | I915_WRITE(PCH_DPLL(pll->id), pll->hw_state.dpll); |
11456 | I915_WRITE(PCH_DPLL(pll->id), pll->config.hw_state.dpll); |
11168 | 11457 | ||
11169 | /* Wait for the clocks to stabilize. */ |
11458 | /* Wait for the clocks to stabilize. */ |
11170 | POSTING_READ(PCH_DPLL(pll->id)); |
11459 | POSTING_READ(PCH_DPLL(pll->id)); |
11171 | udelay(150); |
11460 | udelay(150); |
11172 | 11461 | ||
11173 | /* The pixel multiplier can only be updated once the |
11462 | /* The pixel multiplier can only be updated once the |
11174 | * DPLL is enabled and the clocks are stable. |
11463 | * DPLL is enabled and the clocks are stable. |
11175 | * |
11464 | * |
11176 | * So write it again. |
11465 | * So write it again. |
11177 | */ |
11466 | */ |
11178 | I915_WRITE(PCH_DPLL(pll->id), pll->hw_state.dpll); |
11467 | I915_WRITE(PCH_DPLL(pll->id), pll->config.hw_state.dpll); |
11179 | POSTING_READ(PCH_DPLL(pll->id)); |
11468 | POSTING_READ(PCH_DPLL(pll->id)); |
11180 | udelay(200); |
11469 | udelay(200); |
11181 | } |
11470 | } |
11182 | 11471 | ||
11183 | static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv, |
11472 | static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv, |
11184 | struct intel_shared_dpll *pll) |
11473 | struct intel_shared_dpll *pll) |
11185 | { |
11474 | { |
11186 | struct drm_device *dev = dev_priv->dev; |
11475 | struct drm_device *dev = dev_priv->dev; |
11187 | struct intel_crtc *crtc; |
11476 | struct intel_crtc *crtc; |
11188 | 11477 | ||
11189 | /* Make sure no transcoder isn't still depending on us. */ |
11478 | /* Make sure no transcoder isn't still depending on us. */ |
11190 | for_each_intel_crtc(dev, crtc) { |
11479 | for_each_intel_crtc(dev, crtc) { |
11191 | if (intel_crtc_to_shared_dpll(crtc) == pll) |
11480 | if (intel_crtc_to_shared_dpll(crtc) == pll) |
11192 | assert_pch_transcoder_disabled(dev_priv, crtc->pipe); |
11481 | assert_pch_transcoder_disabled(dev_priv, crtc->pipe); |
11193 | } |
11482 | } |
11194 | 11483 | ||
11195 | I915_WRITE(PCH_DPLL(pll->id), 0); |
11484 | I915_WRITE(PCH_DPLL(pll->id), 0); |
11196 | POSTING_READ(PCH_DPLL(pll->id)); |
11485 | POSTING_READ(PCH_DPLL(pll->id)); |
11197 | udelay(200); |
11486 | udelay(200); |
11198 | } |
11487 | } |
11199 | 11488 | ||
11200 | static char *ibx_pch_dpll_names[] = { |
11489 | static char *ibx_pch_dpll_names[] = { |
11201 | "PCH DPLL A", |
11490 | "PCH DPLL A", |
11202 | "PCH DPLL B", |
11491 | "PCH DPLL B", |
11203 | }; |
11492 | }; |
11204 | 11493 | ||
11205 | static void ibx_pch_dpll_init(struct drm_device *dev) |
11494 | static void ibx_pch_dpll_init(struct drm_device *dev) |
11206 | { |
11495 | { |
11207 | struct drm_i915_private *dev_priv = dev->dev_private; |
11496 | struct drm_i915_private *dev_priv = dev->dev_private; |
11208 | int i; |
11497 | int i; |
11209 | 11498 | ||
11210 | dev_priv->num_shared_dpll = 2; |
11499 | dev_priv->num_shared_dpll = 2; |
11211 | 11500 | ||
11212 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
11501 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
11213 | dev_priv->shared_dplls[i].id = i; |
11502 | dev_priv->shared_dplls[i].id = i; |
11214 | dev_priv->shared_dplls[i].name = ibx_pch_dpll_names[i]; |
11503 | dev_priv->shared_dplls[i].name = ibx_pch_dpll_names[i]; |
11215 | dev_priv->shared_dplls[i].mode_set = ibx_pch_dpll_mode_set; |
11504 | dev_priv->shared_dplls[i].mode_set = ibx_pch_dpll_mode_set; |
11216 | dev_priv->shared_dplls[i].enable = ibx_pch_dpll_enable; |
11505 | dev_priv->shared_dplls[i].enable = ibx_pch_dpll_enable; |
11217 | dev_priv->shared_dplls[i].disable = ibx_pch_dpll_disable; |
11506 | dev_priv->shared_dplls[i].disable = ibx_pch_dpll_disable; |
11218 | dev_priv->shared_dplls[i].get_hw_state = |
11507 | dev_priv->shared_dplls[i].get_hw_state = |
11219 | ibx_pch_dpll_get_hw_state; |
11508 | ibx_pch_dpll_get_hw_state; |
11220 | } |
11509 | } |
11221 | } |
11510 | } |
11222 | 11511 | ||
11223 | static void intel_shared_dpll_init(struct drm_device *dev) |
11512 | static void intel_shared_dpll_init(struct drm_device *dev) |
11224 | { |
11513 | { |
11225 | struct drm_i915_private *dev_priv = dev->dev_private; |
11514 | struct drm_i915_private *dev_priv = dev->dev_private; |
11226 | 11515 | ||
11227 | if (HAS_DDI(dev)) |
11516 | if (HAS_DDI(dev)) |
11228 | intel_ddi_pll_init(dev); |
11517 | intel_ddi_pll_init(dev); |
11229 | else if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) |
11518 | else if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) |
11230 | ibx_pch_dpll_init(dev); |
11519 | ibx_pch_dpll_init(dev); |
11231 | else |
11520 | else |
11232 | dev_priv->num_shared_dpll = 0; |
11521 | dev_priv->num_shared_dpll = 0; |
11233 | 11522 | ||
11234 | BUG_ON(dev_priv->num_shared_dpll > I915_NUM_PLLS); |
11523 | BUG_ON(dev_priv->num_shared_dpll > I915_NUM_PLLS); |
11235 | } |
11524 | } |
11236 | 11525 | ||
11237 | static int |
11526 | static int |
11238 | intel_primary_plane_disable(struct drm_plane *plane) |
11527 | intel_primary_plane_disable(struct drm_plane *plane) |
11239 | { |
11528 | { |
11240 | struct drm_device *dev = plane->dev; |
11529 | struct drm_device *dev = plane->dev; |
11241 | struct drm_i915_private *dev_priv = dev->dev_private; |
- | |
11242 | struct intel_plane *intel_plane = to_intel_plane(plane); |
- | |
11243 | struct intel_crtc *intel_crtc; |
11530 | struct intel_crtc *intel_crtc; |
11244 | 11531 | ||
11245 | if (!plane->fb) |
11532 | if (!plane->fb) |
11246 | return 0; |
11533 | return 0; |
11247 | 11534 | ||
11248 | BUG_ON(!plane->crtc); |
11535 | BUG_ON(!plane->crtc); |
11249 | 11536 | ||
11250 | intel_crtc = to_intel_crtc(plane->crtc); |
11537 | intel_crtc = to_intel_crtc(plane->crtc); |
11251 | 11538 | ||
11252 | /* |
11539 | /* |
11253 | * Even though we checked plane->fb above, it's still possible that |
11540 | * Even though we checked plane->fb above, it's still possible that |
11254 | * the primary plane has been implicitly disabled because the crtc |
11541 | * the primary plane has been implicitly disabled because the crtc |
11255 | * coordinates given weren't visible, or because we detected |
11542 | * coordinates given weren't visible, or because we detected |
11256 | * that it was 100% covered by a sprite plane. Or, the CRTC may be |
11543 | * that it was 100% covered by a sprite plane. Or, the CRTC may be |
11257 | * off and we've set a fb, but haven't actually turned on the CRTC yet. |
11544 | * off and we've set a fb, but haven't actually turned on the CRTC yet. |
11258 | * In either case, we need to unpin the FB and let the fb pointer get |
11545 | * In either case, we need to unpin the FB and let the fb pointer get |
11259 | * updated, but otherwise we don't need to touch the hardware. |
11546 | * updated, but otherwise we don't need to touch the hardware. |
11260 | */ |
11547 | */ |
11261 | if (!intel_crtc->primary_enabled) |
11548 | if (!intel_crtc->primary_enabled) |
11262 | goto disable_unpin; |
11549 | goto disable_unpin; |
11263 | 11550 | ||
11264 | intel_disable_primary_hw_plane(dev_priv, intel_plane->plane, |
11551 | // intel_crtc_wait_for_pending_flips(plane->crtc); |
- | 11552 | intel_disable_primary_hw_plane(plane, plane->crtc); |
|
11265 | intel_plane->pipe); |
11553 | |
11266 | disable_unpin: |
11554 | disable_unpin: |
11267 | mutex_lock(&dev->struct_mutex); |
11555 | mutex_lock(&dev->struct_mutex); |
11268 | i915_gem_track_fb(intel_fb_obj(plane->fb), NULL, |
11556 | i915_gem_track_fb(intel_fb_obj(plane->fb), NULL, |
11269 | INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe)); |
11557 | INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe)); |
11270 | intel_unpin_fb_obj(intel_fb_obj(plane->fb)); |
11558 | intel_unpin_fb_obj(intel_fb_obj(plane->fb)); |
11271 | mutex_unlock(&dev->struct_mutex); |
11559 | mutex_unlock(&dev->struct_mutex); |
11272 | plane->fb = NULL; |
11560 | plane->fb = NULL; |
11273 | 11561 | ||
11274 | return 0; |
11562 | return 0; |
11275 | } |
11563 | } |
11276 | 11564 | ||
11277 | static int |
11565 | static int |
11278 | intel_primary_plane_setplane(struct drm_plane *plane, struct drm_crtc *crtc, |
11566 | intel_check_primary_plane(struct drm_plane *plane, |
11279 | struct drm_framebuffer *fb, int crtc_x, int crtc_y, |
- | |
11280 | unsigned int crtc_w, unsigned int crtc_h, |
- | |
11281 | uint32_t src_x, uint32_t src_y, |
- | |
11282 | uint32_t src_w, uint32_t src_h) |
11567 | struct intel_plane_state *state) |
11283 | { |
11568 | { |
- | 11569 | struct drm_crtc *crtc = state->crtc; |
|
- | 11570 | struct drm_framebuffer *fb = state->fb; |
|
- | 11571 | struct drm_rect *dest = &state->dst; |
|
- | 11572 | struct drm_rect *src = &state->src; |
|
- | 11573 | const struct drm_rect *clip = &state->clip; |
|
- | 11574 | ||
- | 11575 | return drm_plane_helper_check_update(plane, crtc, fb, |
|
- | 11576 | src, dest, clip, |
|
- | 11577 | DRM_PLANE_HELPER_NO_SCALING, |
|
- | 11578 | DRM_PLANE_HELPER_NO_SCALING, |
|
- | 11579 | false, true, &state->visible); |
|
- | 11580 | } |
|
- | 11581 | ||
- | 11582 | static int |
|
- | 11583 | intel_prepare_primary_plane(struct drm_plane *plane, |
|
- | 11584 | struct intel_plane_state *state) |
|
- | 11585 | { |
|
- | 11586 | struct drm_crtc *crtc = state->crtc; |
|
- | 11587 | struct drm_framebuffer *fb = state->fb; |
|
11284 | struct drm_device *dev = crtc->dev; |
11588 | struct drm_device *dev = crtc->dev; |
11285 | struct drm_i915_private *dev_priv = dev->dev_private; |
- | |
11286 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
11589 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
11287 | struct intel_plane *intel_plane = to_intel_plane(plane); |
11590 | enum pipe pipe = intel_crtc->pipe; |
11288 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
11591 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
11289 | struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->fb); |
11592 | struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->fb); |
11290 | struct drm_rect dest = { |
- | |
11291 | /* integer pixels */ |
- | |
11292 | .x1 = crtc_x, |
- | |
11293 | .y1 = crtc_y, |
- | |
11294 | .x2 = crtc_x + crtc_w, |
- | |
11295 | .y2 = crtc_y + crtc_h, |
- | |
11296 | }; |
- | |
11297 | struct drm_rect src = { |
- | |
11298 | /* 16.16 fixed point */ |
- | |
11299 | .x1 = src_x, |
- | |
11300 | .y1 = src_y, |
- | |
11301 | .x2 = src_x + src_w, |
- | |
11302 | .y2 = src_y + src_h, |
- | |
11303 | }; |
- | |
11304 | const struct drm_rect clip = { |
- | |
11305 | /* integer pixels */ |
- | |
11306 | .x2 = intel_crtc->active ? intel_crtc->config.pipe_src_w : 0, |
- | |
11307 | .y2 = intel_crtc->active ? intel_crtc->config.pipe_src_h : 0, |
- | |
11308 | }; |
- | |
11309 | bool visible; |
- | |
11310 | int ret; |
11593 | int ret; |
11311 | - | ||
11312 | ret = drm_plane_helper_check_update(plane, crtc, fb, |
- | |
11313 | &src, &dest, &clip, |
- | |
11314 | DRM_PLANE_HELPER_NO_SCALING, |
- | |
11315 | DRM_PLANE_HELPER_NO_SCALING, |
- | |
11316 | false, true, &visible); |
- | |
11317 | - | ||
11318 | if (ret) |
- | |
11319 | return ret; |
- | |
11320 | - | ||
11321 | /* |
- | |
11322 | * If the CRTC isn't enabled, we're just pinning the framebuffer, |
- | |
11323 | * updating the fb pointer, and returning without touching the |
- | |
11324 | * hardware. This allows us to later do a drmModeSetCrtc with fb=-1 to |
11594 | |
11325 | * turn on the display with all planes setup as desired. |
11595 | |
- | 11596 | ||
- | 11597 | if (old_obj != obj) { |
|
- | 11598 | mutex_lock(&dev->struct_mutex); |
|
- | 11599 | ret = intel_pin_and_fence_fb_obj(plane, fb, NULL); |
|
- | 11600 | if (ret == 0) |
|
- | 11601 | i915_gem_track_fb(old_obj, obj, |
|
- | 11602 | INTEL_FRONTBUFFER_PRIMARY(pipe)); |
|
- | 11603 | mutex_unlock(&dev->struct_mutex); |
|
- | 11604 | if (ret != 0) { |
|
- | 11605 | DRM_DEBUG_KMS("pin & fence failed\n"); |
|
11326 | */ |
11606 | return ret; |
11327 | if (!crtc->enabled) { |
- | |
11328 | mutex_lock(&dev->struct_mutex); |
- | |
11329 | 11607 | } |
|
11330 | /* |
- | |
11331 | * If we already called setplane while the crtc was disabled, |
- | |
- | 11608 | } |
|
- | 11609 | ||
- | 11610 | return 0; |
|
- | 11611 | } |
|
- | 11612 | ||
11332 | * we may have an fb pinned; unpin it. |
11613 | static void |
- | 11614 | intel_commit_primary_plane(struct drm_plane *plane, |
|
- | 11615 | struct intel_plane_state *state) |
|
- | 11616 | { |
|
11333 | */ |
11617 | struct drm_crtc *crtc = state->crtc; |
- | 11618 | struct drm_framebuffer *fb = state->fb; |
|
- | 11619 | struct drm_device *dev = crtc->dev; |
|
- | 11620 | struct drm_i915_private *dev_priv = dev->dev_private; |
|
- | 11621 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
|
- | 11622 | enum pipe pipe = intel_crtc->pipe; |
|
11334 | if (plane->fb) |
11623 | struct drm_framebuffer *old_fb = plane->fb; |
11335 | intel_unpin_fb_obj(old_obj); |
11624 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
11336 | 11625 | struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->fb); |
|
- | 11626 | struct intel_plane *intel_plane = to_intel_plane(plane); |
|
- | 11627 | struct drm_rect *src = &state->src; |
|
- | 11628 | ||
- | 11629 | crtc->primary->fb = fb; |
|
- | 11630 | crtc->x = src->x1 >> 16; |
|
- | 11631 | crtc->y = src->y1 >> 16; |
|
- | 11632 | ||
- | 11633 | intel_plane->crtc_x = state->orig_dst.x1; |
|
- | 11634 | intel_plane->crtc_y = state->orig_dst.y1; |
|
- | 11635 | intel_plane->crtc_w = drm_rect_width(&state->orig_dst); |
|
- | 11636 | intel_plane->crtc_h = drm_rect_height(&state->orig_dst); |
|
- | 11637 | intel_plane->src_x = state->orig_src.x1; |
|
- | 11638 | intel_plane->src_y = state->orig_src.y1; |
|
- | 11639 | intel_plane->src_w = drm_rect_width(&state->orig_src); |
|
- | 11640 | intel_plane->src_h = drm_rect_height(&state->orig_src); |
|
- | 11641 | intel_plane->obj = obj; |
|
- | 11642 | ||
- | 11643 | if (intel_crtc->active) { |
|
- | 11644 | /* |
|
11337 | i915_gem_track_fb(old_obj, obj, |
11645 | * FBC does not work on some platforms for rotated |
- | 11646 | * planes, so disable it when rotation is not 0 and |
|
- | 11647 | * update it when rotation is set back to 0. |
|
- | 11648 | * |
|
- | 11649 | * FIXME: This is redundant with the fbc update done in |
|
- | 11650 | * the primary plane enable function except that that |
|
- | 11651 | * one is done too late. We eventually need to unify |
|
11338 | INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe)); |
11652 | * this. |
- | 11653 | */ |
|
- | 11654 | if (intel_crtc->primary_enabled && |
|
- | 11655 | INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev) && |
|
- | 11656 | dev_priv->fbc.plane == intel_crtc->plane && |
|
- | 11657 | intel_plane->rotation != BIT(DRM_ROTATE_0)) { |
|
- | 11658 | intel_disable_fbc(dev); |
|
- | 11659 | } |
|
- | 11660 | ||
- | 11661 | if (state->visible) { |
|
- | 11662 | bool was_enabled = intel_crtc->primary_enabled; |
|
- | 11663 | ||
- | 11664 | /* FIXME: kill this fastboot hack */ |
|
- | 11665 | intel_update_pipe_size(intel_crtc); |
|
- | 11666 | ||
- | 11667 | intel_crtc->primary_enabled = true; |
|
- | 11668 | ||
- | 11669 | dev_priv->display.update_primary_plane(crtc, plane->fb, |
|
- | 11670 | crtc->x, crtc->y); |
|
11339 | 11671 | ||
11340 | /* Pin and return without programming hardware */ |
11672 | /* |
11341 | ret = intel_pin_and_fence_fb_obj(dev, obj, NULL); |
11673 | * BDW signals flip done immediately if the plane |
- | 11674 | * is disabled, even if the plane enable is already |
|
11342 | mutex_unlock(&dev->struct_mutex); |
11675 | * armed to occur at the next vblank :( |
11343 | 11676 | */ |
|
11344 | return ret; |
11677 | if (IS_BROADWELL(dev) && !was_enabled) |
11345 | } |
11678 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
- | 11679 | } else { |
|
- | 11680 | /* |
|
- | 11681 | * If clipping results in a non-visible primary plane, |
|
- | 11682 | * we'll disable the primary plane. Note that this is |
|
11346 | 11683 | * a bit different than what happens if userspace |
|
- | 11684 | * explicitly disables the plane by passing fb=0 |
|
- | 11685 | * because plane->fb still gets set and pinned. |
|
- | 11686 | */ |
|
11347 | - | ||
11348 | /* |
11687 | intel_disable_primary_hw_plane(plane, crtc); |
11349 | * If clipping results in a non-visible primary plane, we'll disable |
11688 | } |
- | 11689 | ||
11350 | * the primary plane. Note that this is a bit different than what |
11690 | intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_PRIMARY(pipe)); |
11351 | * happens if userspace explicitly disables the plane by passing fb=0 |
11691 | |
11352 | * because plane->fb still gets set and pinned. |
11692 | mutex_lock(&dev->struct_mutex); |
11353 | */ |
- | |
11354 | if (!visible) { |
11693 | intel_update_fbc(dev); |
11355 | mutex_lock(&dev->struct_mutex); |
- | |
11356 | 11694 | mutex_unlock(&dev->struct_mutex); |
|
11357 | /* |
11695 | } |
11358 | * Try to pin the new fb first so that we can bail out if we |
11696 | |
11359 | * fail. |
11697 | if (old_fb && old_fb != fb) { |
11360 | */ |
11698 | if (intel_crtc->active) |
11361 | if (plane->fb != fb) { |
11699 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
11362 | ret = intel_pin_and_fence_fb_obj(dev, obj, NULL); |
11700 | |
11363 | if (ret) { |
11701 | mutex_lock(&dev->struct_mutex); |
11364 | mutex_unlock(&dev->struct_mutex); |
11702 | intel_unpin_fb_obj(old_obj); |
11365 | return ret; |
11703 | mutex_unlock(&dev->struct_mutex); |
11366 | } |
11704 | } |
11367 | } |
11705 | } |
- | 11706 | ||
- | 11707 | static int |
|
- | 11708 | intel_primary_plane_setplane(struct drm_plane *plane, struct drm_crtc *crtc, |
|
- | 11709 | struct drm_framebuffer *fb, int crtc_x, int crtc_y, |
|
11368 | 11710 | unsigned int crtc_w, unsigned int crtc_h, |
|
- | 11711 | uint32_t src_x, uint32_t src_y, |
|
- | 11712 | uint32_t src_w, uint32_t src_h) |
|
- | 11713 | { |
|
11369 | i915_gem_track_fb(old_obj, obj, |
11714 | struct intel_plane_state state; |
- | 11715 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
|
11370 | INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe)); |
11716 | int ret; |
11371 | - | ||
11372 | if (intel_crtc->primary_enabled) |
- | |
11373 | intel_disable_primary_hw_plane(dev_priv, |
11717 | |
- | 11718 | state.crtc = crtc; |
|
- | 11719 | state.fb = fb; |
|
- | 11720 | ||
- | 11721 | /* sample coordinates in 16.16 fixed point */ |
|
- | 11722 | state.src.x1 = src_x; |
|
11374 | intel_plane->plane, |
11723 | state.src.x2 = src_x + src_w; |
- | 11724 | state.src.y1 = src_y; |
|
- | 11725 | state.src.y2 = src_y + src_h; |
|
- | 11726 | ||
- | 11727 | /* integer pixels */ |
|
- | 11728 | state.dst.x1 = crtc_x; |
|
11375 | intel_plane->pipe); |
11729 | state.dst.x2 = crtc_x + crtc_w; |
11376 | 11730 | state.dst.y1 = crtc_y; |
|
- | 11731 | state.dst.y2 = crtc_y + crtc_h; |
|
- | 11732 | ||
- | 11733 | state.clip.x1 = 0; |
|
11377 | 11734 | state.clip.y1 = 0; |
|
- | 11735 | state.clip.x2 = intel_crtc->active ? intel_crtc->config.pipe_src_w : 0; |
|
- | 11736 | state.clip.y2 = intel_crtc->active ? intel_crtc->config.pipe_src_h : 0; |
|
11378 | if (plane->fb != fb) |
11737 | |
11379 | if (plane->fb) |
- | |
11380 | intel_unpin_fb_obj(old_obj); |
11738 | state.orig_src = state.src; |
11381 | 11739 | state.orig_dst = state.dst; |
|
11382 | mutex_unlock(&dev->struct_mutex); |
11740 | |
11383 | 11741 | ret = intel_check_primary_plane(plane, &state); |
|
11384 | return 0; |
11742 | if (ret) |
11385 | } |
11743 | return ret; |
11386 | 11744 | ||
11387 | ret = intel_pipe_set_base(crtc, src.x1, src.y1, fb); |
11745 | ret = intel_prepare_primary_plane(plane, &state); |
11388 | if (ret) |
11746 | if (ret) |
11389 | return ret; |
11747 | return ret; |
11390 | - | ||
11391 | if (!intel_crtc->primary_enabled) |
11748 | |
11392 | intel_enable_primary_hw_plane(dev_priv, intel_crtc->plane, |
- | |
11393 | intel_crtc->pipe); |
11749 | intel_commit_primary_plane(plane, &state); |
11394 | 11750 | ||
11395 | return 0; |
11751 | return 0; |
11396 | } |
11752 | } |
11397 | 11753 | ||
11398 | /* Common destruction function for both primary and cursor planes */ |
11754 | /* Common destruction function for both primary and cursor planes */ |
11399 | static void intel_plane_destroy(struct drm_plane *plane) |
11755 | static void intel_plane_destroy(struct drm_plane *plane) |
11400 | { |
11756 | { |
11401 | struct intel_plane *intel_plane = to_intel_plane(plane); |
11757 | struct intel_plane *intel_plane = to_intel_plane(plane); |
11402 | drm_plane_cleanup(plane); |
11758 | drm_plane_cleanup(plane); |
11403 | kfree(intel_plane); |
11759 | kfree(intel_plane); |
11404 | } |
11760 | } |
11405 | 11761 | ||
11406 | static const struct drm_plane_funcs intel_primary_plane_funcs = { |
11762 | static const struct drm_plane_funcs intel_primary_plane_funcs = { |
11407 | .update_plane = intel_primary_plane_setplane, |
11763 | .update_plane = intel_primary_plane_setplane, |
11408 | .disable_plane = intel_primary_plane_disable, |
11764 | .disable_plane = intel_primary_plane_disable, |
11409 | .destroy = intel_plane_destroy, |
11765 | .destroy = intel_plane_destroy, |
- | 11766 | .set_property = intel_plane_set_property |
|
11410 | }; |
11767 | }; |
11411 | 11768 | ||
11412 | static struct drm_plane *intel_primary_plane_create(struct drm_device *dev, |
11769 | static struct drm_plane *intel_primary_plane_create(struct drm_device *dev, |
11413 | int pipe) |
11770 | int pipe) |
11414 | { |
11771 | { |
11415 | struct intel_plane *primary; |
11772 | struct intel_plane *primary; |
11416 | const uint32_t *intel_primary_formats; |
11773 | const uint32_t *intel_primary_formats; |
11417 | int num_formats; |
11774 | int num_formats; |
11418 | 11775 | ||
11419 | primary = kzalloc(sizeof(*primary), GFP_KERNEL); |
11776 | primary = kzalloc(sizeof(*primary), GFP_KERNEL); |
11420 | if (primary == NULL) |
11777 | if (primary == NULL) |
11421 | return NULL; |
11778 | return NULL; |
11422 | 11779 | ||
11423 | primary->can_scale = false; |
11780 | primary->can_scale = false; |
11424 | primary->max_downscale = 1; |
11781 | primary->max_downscale = 1; |
11425 | primary->pipe = pipe; |
11782 | primary->pipe = pipe; |
11426 | primary->plane = pipe; |
11783 | primary->plane = pipe; |
- | 11784 | primary->rotation = BIT(DRM_ROTATE_0); |
|
11427 | if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) |
11785 | if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) |
11428 | primary->plane = !pipe; |
11786 | primary->plane = !pipe; |
11429 | 11787 | ||
11430 | if (INTEL_INFO(dev)->gen <= 3) { |
11788 | if (INTEL_INFO(dev)->gen <= 3) { |
11431 | intel_primary_formats = intel_primary_formats_gen2; |
11789 | intel_primary_formats = intel_primary_formats_gen2; |
11432 | num_formats = ARRAY_SIZE(intel_primary_formats_gen2); |
11790 | num_formats = ARRAY_SIZE(intel_primary_formats_gen2); |
11433 | } else { |
11791 | } else { |
11434 | intel_primary_formats = intel_primary_formats_gen4; |
11792 | intel_primary_formats = intel_primary_formats_gen4; |
11435 | num_formats = ARRAY_SIZE(intel_primary_formats_gen4); |
11793 | num_formats = ARRAY_SIZE(intel_primary_formats_gen4); |
11436 | } |
11794 | } |
11437 | 11795 | ||
11438 | drm_universal_plane_init(dev, &primary->base, 0, |
11796 | drm_universal_plane_init(dev, &primary->base, 0, |
11439 | &intel_primary_plane_funcs, |
11797 | &intel_primary_plane_funcs, |
11440 | intel_primary_formats, num_formats, |
11798 | intel_primary_formats, num_formats, |
11441 | DRM_PLANE_TYPE_PRIMARY); |
11799 | DRM_PLANE_TYPE_PRIMARY); |
- | 11800 | ||
- | 11801 | if (INTEL_INFO(dev)->gen >= 4) { |
|
- | 11802 | if (!dev->mode_config.rotation_property) |
|
- | 11803 | dev->mode_config.rotation_property = |
|
- | 11804 | drm_mode_create_rotation_property(dev, |
|
- | 11805 | BIT(DRM_ROTATE_0) | |
|
- | 11806 | BIT(DRM_ROTATE_180)); |
|
- | 11807 | if (dev->mode_config.rotation_property) |
|
- | 11808 | drm_object_attach_property(&primary->base.base, |
|
- | 11809 | dev->mode_config.rotation_property, |
|
- | 11810 | primary->rotation); |
|
- | 11811 | } |
|
- | 11812 | ||
11442 | return &primary->base; |
11813 | return &primary->base; |
11443 | } |
11814 | } |
11444 | 11815 | ||
11445 | static int |
11816 | static int |
11446 | intel_cursor_plane_disable(struct drm_plane *plane) |
11817 | intel_cursor_plane_disable(struct drm_plane *plane) |
11447 | { |
11818 | { |
11448 | if (!plane->fb) |
11819 | if (!plane->fb) |
11449 | return 0; |
11820 | return 0; |
11450 | 11821 | ||
11451 | BUG_ON(!plane->crtc); |
11822 | BUG_ON(!plane->crtc); |
11452 | 11823 | ||
11453 | return intel_crtc_cursor_set_obj(plane->crtc, NULL, 0, 0); |
11824 | return intel_crtc_cursor_set_obj(plane->crtc, NULL, 0, 0); |
11454 | } |
11825 | } |
11455 | 11826 | ||
11456 | static int |
11827 | static int |
11457 | intel_cursor_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, |
11828 | intel_check_cursor_plane(struct drm_plane *plane, |
11458 | struct drm_framebuffer *fb, int crtc_x, int crtc_y, |
- | |
11459 | unsigned int crtc_w, unsigned int crtc_h, |
- | |
11460 | uint32_t src_x, uint32_t src_y, |
- | |
11461 | uint32_t src_w, uint32_t src_h) |
11829 | struct intel_plane_state *state) |
11462 | { |
11830 | { |
11463 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
11831 | struct drm_crtc *crtc = state->crtc; |
11464 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); |
11832 | struct drm_device *dev = crtc->dev; |
11465 | struct drm_i915_gem_object *obj = intel_fb->obj; |
11833 | struct drm_framebuffer *fb = state->fb; |
11466 | struct drm_rect dest = { |
11834 | struct drm_rect *dest = &state->dst; |
11467 | /* integer pixels */ |
- | |
11468 | .x1 = crtc_x, |
- | |
11469 | .y1 = crtc_y, |
- | |
11470 | .x2 = crtc_x + crtc_w, |
- | |
11471 | .y2 = crtc_y + crtc_h, |
- | |
11472 | }; |
- | |
11473 | struct drm_rect src = { |
11835 | struct drm_rect *src = &state->src; |
11474 | /* 16.16 fixed point */ |
- | |
11475 | .x1 = src_x, |
- | |
11476 | .y1 = src_y, |
- | |
11477 | .x2 = src_x + src_w, |
- | |
11478 | .y2 = src_y + src_h, |
- | |
11479 | }; |
- | |
11480 | const struct drm_rect clip = { |
11836 | const struct drm_rect *clip = &state->clip; |
11481 | /* integer pixels */ |
- | |
11482 | .x2 = intel_crtc->active ? intel_crtc->config.pipe_src_w : 0, |
11837 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
11483 | .y2 = intel_crtc->active ? intel_crtc->config.pipe_src_h : 0, |
11838 | int crtc_w, crtc_h; |
11484 | }; |
- | |
11485 | bool visible; |
11839 | unsigned stride; |
11486 | int ret; |
11840 | int ret; |
11487 | 11841 | ||
11488 | ret = drm_plane_helper_check_update(plane, crtc, fb, |
11842 | ret = drm_plane_helper_check_update(plane, crtc, fb, |
11489 | &src, &dest, &clip, |
11843 | src, dest, clip, |
11490 | DRM_PLANE_HELPER_NO_SCALING, |
11844 | DRM_PLANE_HELPER_NO_SCALING, |
11491 | DRM_PLANE_HELPER_NO_SCALING, |
11845 | DRM_PLANE_HELPER_NO_SCALING, |
11492 | true, true, &visible); |
11846 | true, true, &state->visible); |
11493 | if (ret) |
11847 | if (ret) |
11494 | return ret; |
11848 | return ret; |
- | 11849 | ||
- | 11850 | ||
- | 11851 | /* if we want to turn off the cursor ignore width and height */ |
|
- | 11852 | if (!obj) |
|
- | 11853 | return 0; |
|
- | 11854 | ||
- | 11855 | /* Check for which cursor types we support */ |
|
- | 11856 | crtc_w = drm_rect_width(&state->orig_dst); |
|
- | 11857 | crtc_h = drm_rect_height(&state->orig_dst); |
|
- | 11858 | if (!cursor_size_ok(dev, crtc_w, crtc_h)) { |
|
- | 11859 | DRM_DEBUG("Cursor dimension not supported\n"); |
|
- | 11860 | return -EINVAL; |
|
- | 11861 | } |
|
- | 11862 | ||
- | 11863 | stride = roundup_pow_of_two(crtc_w) * 4; |
|
- | 11864 | if (obj->base.size < stride * crtc_h) { |
|
- | 11865 | DRM_DEBUG_KMS("buffer is too small\n"); |
|
- | 11866 | return -ENOMEM; |
|
- | 11867 | } |
|
- | 11868 | ||
- | 11869 | if (fb == crtc->cursor->fb) |
|
- | 11870 | return 0; |
|
- | 11871 | ||
- | 11872 | /* we only need to pin inside GTT if cursor is non-phy */ |
|
- | 11873 | mutex_lock(&dev->struct_mutex); |
|
- | 11874 | if (!INTEL_INFO(dev)->cursor_needs_physical && obj->tiling_mode) { |
|
- | 11875 | DRM_DEBUG_KMS("cursor cannot be tiled\n"); |
|
- | 11876 | ret = -EINVAL; |
|
- | 11877 | } |
|
- | 11878 | mutex_unlock(&dev->struct_mutex); |
|
- | 11879 | ||
- | 11880 | return ret; |
|
- | 11881 | } |
|
- | 11882 | ||
- | 11883 | static int |
|
- | 11884 | intel_commit_cursor_plane(struct drm_plane *plane, |
|
- | 11885 | struct intel_plane_state *state) |
|
- | 11886 | { |
|
- | 11887 | struct drm_crtc *crtc = state->crtc; |
|
- | 11888 | struct drm_framebuffer *fb = state->fb; |
|
- | 11889 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
|
- | 11890 | struct intel_plane *intel_plane = to_intel_plane(plane); |
|
- | 11891 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); |
|
- | 11892 | struct drm_i915_gem_object *obj = intel_fb->obj; |
|
- | 11893 | int crtc_w, crtc_h; |
|
11495 | 11894 | ||
11496 | crtc->cursor_x = crtc_x; |
11895 | crtc->cursor_x = state->orig_dst.x1; |
- | 11896 | crtc->cursor_y = state->orig_dst.y1; |
|
- | 11897 | ||
- | 11898 | intel_plane->crtc_x = state->orig_dst.x1; |
|
- | 11899 | intel_plane->crtc_y = state->orig_dst.y1; |
|
- | 11900 | intel_plane->crtc_w = drm_rect_width(&state->orig_dst); |
|
- | 11901 | intel_plane->crtc_h = drm_rect_height(&state->orig_dst); |
|
- | 11902 | intel_plane->src_x = state->orig_src.x1; |
|
- | 11903 | intel_plane->src_y = state->orig_src.y1; |
|
- | 11904 | intel_plane->src_w = drm_rect_width(&state->orig_src); |
|
- | 11905 | intel_plane->src_h = drm_rect_height(&state->orig_src); |
|
- | 11906 | intel_plane->obj = obj; |
|
11497 | crtc->cursor_y = crtc_y; |
11907 | |
- | 11908 | if (fb != crtc->cursor->fb) { |
|
- | 11909 | crtc_w = drm_rect_width(&state->orig_dst); |
|
11498 | if (fb != crtc->cursor->fb) { |
11910 | crtc_h = drm_rect_height(&state->orig_dst); |
11499 | return intel_crtc_cursor_set_obj(crtc, obj, crtc_w, crtc_h); |
11911 | return intel_crtc_cursor_set_obj(crtc, obj, crtc_w, crtc_h); |
11500 | } else { |
11912 | } else { |
- | 11913 | intel_crtc_update_cursor(crtc, state->visible); |
|
- | 11914 | ||
11501 | intel_crtc_update_cursor(crtc, visible); |
11915 | |
11502 | return 0; |
11916 | return 0; |
11503 | } |
11917 | } |
11504 | } |
11918 | } |
- | 11919 | ||
- | 11920 | static int |
|
- | 11921 | intel_cursor_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, |
|
- | 11922 | struct drm_framebuffer *fb, int crtc_x, int crtc_y, |
|
- | 11923 | unsigned int crtc_w, unsigned int crtc_h, |
|
- | 11924 | uint32_t src_x, uint32_t src_y, |
|
- | 11925 | uint32_t src_w, uint32_t src_h) |
|
- | 11926 | { |
|
- | 11927 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
|
- | 11928 | struct intel_plane_state state; |
|
- | 11929 | int ret; |
|
- | 11930 | ||
- | 11931 | state.crtc = crtc; |
|
- | 11932 | state.fb = fb; |
|
- | 11933 | ||
- | 11934 | /* sample coordinates in 16.16 fixed point */ |
|
- | 11935 | state.src.x1 = src_x; |
|
- | 11936 | state.src.x2 = src_x + src_w; |
|
- | 11937 | state.src.y1 = src_y; |
|
- | 11938 | state.src.y2 = src_y + src_h; |
|
- | 11939 | ||
- | 11940 | /* integer pixels */ |
|
- | 11941 | state.dst.x1 = crtc_x; |
|
- | 11942 | state.dst.x2 = crtc_x + crtc_w; |
|
- | 11943 | state.dst.y1 = crtc_y; |
|
- | 11944 | state.dst.y2 = crtc_y + crtc_h; |
|
- | 11945 | ||
- | 11946 | state.clip.x1 = 0; |
|
- | 11947 | state.clip.y1 = 0; |
|
- | 11948 | state.clip.x2 = intel_crtc->active ? intel_crtc->config.pipe_src_w : 0; |
|
- | 11949 | state.clip.y2 = intel_crtc->active ? intel_crtc->config.pipe_src_h : 0; |
|
- | 11950 | ||
- | 11951 | state.orig_src = state.src; |
|
- | 11952 | state.orig_dst = state.dst; |
|
- | 11953 | ||
- | 11954 | ret = intel_check_cursor_plane(plane, &state); |
|
- | 11955 | if (ret) |
|
- | 11956 | return ret; |
|
- | 11957 | ||
- | 11958 | return intel_commit_cursor_plane(plane, &state); |
|
- | 11959 | } |
|
- | 11960 | ||
11505 | static const struct drm_plane_funcs intel_cursor_plane_funcs = { |
11961 | static const struct drm_plane_funcs intel_cursor_plane_funcs = { |
11506 | .update_plane = intel_cursor_plane_update, |
11962 | .update_plane = intel_cursor_plane_update, |
11507 | .disable_plane = intel_cursor_plane_disable, |
11963 | .disable_plane = intel_cursor_plane_disable, |
11508 | .destroy = intel_plane_destroy, |
11964 | .destroy = intel_plane_destroy, |
- | 11965 | .set_property = intel_plane_set_property, |
|
11509 | }; |
11966 | }; |
11510 | 11967 | ||
11511 | static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev, |
11968 | static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev, |
11512 | int pipe) |
11969 | int pipe) |
11513 | { |
11970 | { |
11514 | struct intel_plane *cursor; |
11971 | struct intel_plane *cursor; |
11515 | 11972 | ||
11516 | cursor = kzalloc(sizeof(*cursor), GFP_KERNEL); |
11973 | cursor = kzalloc(sizeof(*cursor), GFP_KERNEL); |
11517 | if (cursor == NULL) |
11974 | if (cursor == NULL) |
11518 | return NULL; |
11975 | return NULL; |
11519 | 11976 | ||
11520 | cursor->can_scale = false; |
11977 | cursor->can_scale = false; |
11521 | cursor->max_downscale = 1; |
11978 | cursor->max_downscale = 1; |
11522 | cursor->pipe = pipe; |
11979 | cursor->pipe = pipe; |
11523 | cursor->plane = pipe; |
11980 | cursor->plane = pipe; |
- | 11981 | cursor->rotation = BIT(DRM_ROTATE_0); |
|
11524 | 11982 | ||
11525 | drm_universal_plane_init(dev, &cursor->base, 0, |
11983 | drm_universal_plane_init(dev, &cursor->base, 0, |
11526 | &intel_cursor_plane_funcs, |
11984 | &intel_cursor_plane_funcs, |
11527 | intel_cursor_formats, |
11985 | intel_cursor_formats, |
11528 | ARRAY_SIZE(intel_cursor_formats), |
11986 | ARRAY_SIZE(intel_cursor_formats), |
11529 | DRM_PLANE_TYPE_CURSOR); |
11987 | DRM_PLANE_TYPE_CURSOR); |
- | 11988 | ||
- | 11989 | if (INTEL_INFO(dev)->gen >= 4) { |
|
- | 11990 | if (!dev->mode_config.rotation_property) |
|
- | 11991 | dev->mode_config.rotation_property = |
|
- | 11992 | drm_mode_create_rotation_property(dev, |
|
- | 11993 | BIT(DRM_ROTATE_0) | |
|
- | 11994 | BIT(DRM_ROTATE_180)); |
|
- | 11995 | if (dev->mode_config.rotation_property) |
|
- | 11996 | drm_object_attach_property(&cursor->base.base, |
|
- | 11997 | dev->mode_config.rotation_property, |
|
- | 11998 | cursor->rotation); |
|
- | 11999 | } |
|
- | 12000 | ||
11530 | return &cursor->base; |
12001 | return &cursor->base; |
11531 | } |
12002 | } |
11532 | 12003 | ||
11533 | static void intel_crtc_init(struct drm_device *dev, int pipe) |
12004 | static void intel_crtc_init(struct drm_device *dev, int pipe) |
11534 | { |
12005 | { |
11535 | struct drm_i915_private *dev_priv = dev->dev_private; |
12006 | struct drm_i915_private *dev_priv = dev->dev_private; |
11536 | struct intel_crtc *intel_crtc; |
12007 | struct intel_crtc *intel_crtc; |
11537 | struct drm_plane *primary = NULL; |
12008 | struct drm_plane *primary = NULL; |
11538 | struct drm_plane *cursor = NULL; |
12009 | struct drm_plane *cursor = NULL; |
11539 | int i, ret; |
12010 | int i, ret; |
11540 | 12011 | ||
11541 | intel_crtc = kzalloc(sizeof(*intel_crtc), GFP_KERNEL); |
12012 | intel_crtc = kzalloc(sizeof(*intel_crtc), GFP_KERNEL); |
11542 | if (intel_crtc == NULL) |
12013 | if (intel_crtc == NULL) |
11543 | return; |
12014 | return; |
11544 | 12015 | ||
11545 | primary = intel_primary_plane_create(dev, pipe); |
12016 | primary = intel_primary_plane_create(dev, pipe); |
11546 | if (!primary) |
12017 | if (!primary) |
11547 | goto fail; |
12018 | goto fail; |
11548 | 12019 | ||
11549 | cursor = intel_cursor_plane_create(dev, pipe); |
12020 | cursor = intel_cursor_plane_create(dev, pipe); |
11550 | if (!cursor) |
12021 | if (!cursor) |
11551 | goto fail; |
12022 | goto fail; |
11552 | 12023 | ||
11553 | ret = drm_crtc_init_with_planes(dev, &intel_crtc->base, primary, |
12024 | ret = drm_crtc_init_with_planes(dev, &intel_crtc->base, primary, |
11554 | cursor, &intel_crtc_funcs); |
12025 | cursor, &intel_crtc_funcs); |
11555 | if (ret) |
12026 | if (ret) |
11556 | goto fail; |
12027 | goto fail; |
11557 | 12028 | ||
11558 | drm_mode_crtc_set_gamma_size(&intel_crtc->base, 256); |
12029 | drm_mode_crtc_set_gamma_size(&intel_crtc->base, 256); |
11559 | for (i = 0; i < 256; i++) { |
12030 | for (i = 0; i < 256; i++) { |
11560 | intel_crtc->lut_r[i] = i; |
12031 | intel_crtc->lut_r[i] = i; |
11561 | intel_crtc->lut_g[i] = i; |
12032 | intel_crtc->lut_g[i] = i; |
11562 | intel_crtc->lut_b[i] = i; |
12033 | intel_crtc->lut_b[i] = i; |
11563 | } |
12034 | } |
11564 | 12035 | ||
11565 | /* |
12036 | /* |
11566 | * On gen2/3 only plane A can do fbc, but the panel fitter and lvds port |
12037 | * On gen2/3 only plane A can do fbc, but the panel fitter and lvds port |
11567 | * is hooked to pipe B. Hence we want plane A feeding pipe B. |
12038 | * is hooked to pipe B. Hence we want plane A feeding pipe B. |
11568 | */ |
12039 | */ |
11569 | intel_crtc->pipe = pipe; |
12040 | intel_crtc->pipe = pipe; |
11570 | intel_crtc->plane = pipe; |
12041 | intel_crtc->plane = pipe; |
11571 | if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) { |
12042 | if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) { |
11572 | DRM_DEBUG_KMS("swapping pipes & planes for FBC\n"); |
12043 | DRM_DEBUG_KMS("swapping pipes & planes for FBC\n"); |
11573 | intel_crtc->plane = !pipe; |
12044 | intel_crtc->plane = !pipe; |
11574 | } |
12045 | } |
11575 | 12046 | ||
11576 | intel_crtc->cursor_base = ~0; |
12047 | intel_crtc->cursor_base = ~0; |
11577 | intel_crtc->cursor_cntl = ~0; |
12048 | intel_crtc->cursor_cntl = ~0; |
11578 | - | ||
11579 | init_waitqueue_head(&intel_crtc->vbl_wait); |
12049 | intel_crtc->cursor_size = ~0; |
11580 | 12050 | ||
11581 | BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) || |
12051 | BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) || |
11582 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] != NULL); |
12052 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] != NULL); |
11583 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] = &intel_crtc->base; |
12053 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] = &intel_crtc->base; |
11584 | dev_priv->pipe_to_crtc_mapping[intel_crtc->pipe] = &intel_crtc->base; |
12054 | dev_priv->pipe_to_crtc_mapping[intel_crtc->pipe] = &intel_crtc->base; |
11585 | 12055 | ||
11586 | drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs); |
12056 | drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs); |
11587 | 12057 | ||
11588 | WARN_ON(drm_crtc_index(&intel_crtc->base) != intel_crtc->pipe); |
12058 | WARN_ON(drm_crtc_index(&intel_crtc->base) != intel_crtc->pipe); |
11589 | return; |
12059 | return; |
11590 | 12060 | ||
11591 | fail: |
12061 | fail: |
11592 | if (primary) |
12062 | if (primary) |
11593 | drm_plane_cleanup(primary); |
12063 | drm_plane_cleanup(primary); |
11594 | if (cursor) |
12064 | if (cursor) |
11595 | drm_plane_cleanup(cursor); |
12065 | drm_plane_cleanup(cursor); |
11596 | kfree(intel_crtc); |
12066 | kfree(intel_crtc); |
11597 | } |
12067 | } |
11598 | 12068 | ||
11599 | enum pipe intel_get_pipe_from_connector(struct intel_connector *connector) |
12069 | enum pipe intel_get_pipe_from_connector(struct intel_connector *connector) |
11600 | { |
12070 | { |
11601 | struct drm_encoder *encoder = connector->base.encoder; |
12071 | struct drm_encoder *encoder = connector->base.encoder; |
11602 | struct drm_device *dev = connector->base.dev; |
12072 | struct drm_device *dev = connector->base.dev; |
11603 | 12073 | ||
11604 | WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); |
12074 | WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); |
11605 | 12075 | ||
11606 | if (!encoder) |
12076 | if (!encoder || WARN_ON(!encoder->crtc)) |
11607 | return INVALID_PIPE; |
12077 | return INVALID_PIPE; |
11608 | 12078 | ||
11609 | return to_intel_crtc(encoder->crtc)->pipe; |
12079 | return to_intel_crtc(encoder->crtc)->pipe; |
11610 | } |
12080 | } |
11611 | 12081 | ||
11612 | int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, |
12082 | int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, |
11613 | struct drm_file *file) |
12083 | struct drm_file *file) |
11614 | { |
12084 | { |
11615 | struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data; |
12085 | struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data; |
11616 | struct drm_crtc *drmmode_crtc; |
12086 | struct drm_crtc *drmmode_crtc; |
11617 | struct intel_crtc *crtc; |
12087 | struct intel_crtc *crtc; |
11618 | 12088 | ||
11619 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
12089 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
11620 | return -ENODEV; |
12090 | return -ENODEV; |
11621 | 12091 | ||
11622 | drmmode_crtc = drm_crtc_find(dev, pipe_from_crtc_id->crtc_id); |
12092 | drmmode_crtc = drm_crtc_find(dev, pipe_from_crtc_id->crtc_id); |
11623 | 12093 | ||
11624 | if (!drmmode_crtc) { |
12094 | if (!drmmode_crtc) { |
11625 | DRM_ERROR("no such CRTC id\n"); |
12095 | DRM_ERROR("no such CRTC id\n"); |
11626 | return -ENOENT; |
12096 | return -ENOENT; |
11627 | } |
12097 | } |
11628 | 12098 | ||
11629 | crtc = to_intel_crtc(drmmode_crtc); |
12099 | crtc = to_intel_crtc(drmmode_crtc); |
11630 | pipe_from_crtc_id->pipe = crtc->pipe; |
12100 | pipe_from_crtc_id->pipe = crtc->pipe; |
11631 | 12101 | ||
11632 | return 0; |
12102 | return 0; |
11633 | } |
12103 | } |
11634 | 12104 | ||
11635 | static int intel_encoder_clones(struct intel_encoder *encoder) |
12105 | static int intel_encoder_clones(struct intel_encoder *encoder) |
11636 | { |
12106 | { |
11637 | struct drm_device *dev = encoder->base.dev; |
12107 | struct drm_device *dev = encoder->base.dev; |
11638 | struct intel_encoder *source_encoder; |
12108 | struct intel_encoder *source_encoder; |
11639 | int index_mask = 0; |
12109 | int index_mask = 0; |
11640 | int entry = 0; |
12110 | int entry = 0; |
11641 | 12111 | ||
11642 | list_for_each_entry(source_encoder, |
- | |
11643 | &dev->mode_config.encoder_list, base.head) { |
12112 | for_each_intel_encoder(dev, source_encoder) { |
11644 | if (encoders_cloneable(encoder, source_encoder)) |
12113 | if (encoders_cloneable(encoder, source_encoder)) |
11645 | index_mask |= (1 << entry); |
12114 | index_mask |= (1 << entry); |
11646 | 12115 | ||
11647 | entry++; |
12116 | entry++; |
11648 | } |
12117 | } |
11649 | 12118 | ||
11650 | return index_mask; |
12119 | return index_mask; |
11651 | } |
12120 | } |
11652 | 12121 | ||
11653 | static bool has_edp_a(struct drm_device *dev) |
12122 | static bool has_edp_a(struct drm_device *dev) |
11654 | { |
12123 | { |
11655 | struct drm_i915_private *dev_priv = dev->dev_private; |
12124 | struct drm_i915_private *dev_priv = dev->dev_private; |
11656 | 12125 | ||
11657 | if (!IS_MOBILE(dev)) |
12126 | if (!IS_MOBILE(dev)) |
11658 | return false; |
12127 | return false; |
11659 | 12128 | ||
11660 | if ((I915_READ(DP_A) & DP_DETECTED) == 0) |
12129 | if ((I915_READ(DP_A) & DP_DETECTED) == 0) |
11661 | return false; |
12130 | return false; |
11662 | 12131 | ||
11663 | if (IS_GEN5(dev) && (I915_READ(FUSE_STRAP) & ILK_eDP_A_DISABLE)) |
12132 | if (IS_GEN5(dev) && (I915_READ(FUSE_STRAP) & ILK_eDP_A_DISABLE)) |
11664 | return false; |
12133 | return false; |
11665 | 12134 | ||
11666 | return true; |
12135 | return true; |
11667 | } |
12136 | } |
11668 | 12137 | ||
11669 | const char *intel_output_name(int output) |
12138 | const char *intel_output_name(int output) |
11670 | { |
12139 | { |
11671 | static const char *names[] = { |
12140 | static const char *names[] = { |
11672 | [INTEL_OUTPUT_UNUSED] = "Unused", |
12141 | [INTEL_OUTPUT_UNUSED] = "Unused", |
11673 | [INTEL_OUTPUT_ANALOG] = "Analog", |
12142 | [INTEL_OUTPUT_ANALOG] = "Analog", |
11674 | [INTEL_OUTPUT_DVO] = "DVO", |
12143 | [INTEL_OUTPUT_DVO] = "DVO", |
11675 | [INTEL_OUTPUT_SDVO] = "SDVO", |
12144 | [INTEL_OUTPUT_SDVO] = "SDVO", |
11676 | [INTEL_OUTPUT_LVDS] = "LVDS", |
12145 | [INTEL_OUTPUT_LVDS] = "LVDS", |
11677 | [INTEL_OUTPUT_TVOUT] = "TV", |
12146 | [INTEL_OUTPUT_TVOUT] = "TV", |
11678 | [INTEL_OUTPUT_HDMI] = "HDMI", |
12147 | [INTEL_OUTPUT_HDMI] = "HDMI", |
11679 | [INTEL_OUTPUT_DISPLAYPORT] = "DisplayPort", |
12148 | [INTEL_OUTPUT_DISPLAYPORT] = "DisplayPort", |
11680 | [INTEL_OUTPUT_EDP] = "eDP", |
12149 | [INTEL_OUTPUT_EDP] = "eDP", |
11681 | [INTEL_OUTPUT_DSI] = "DSI", |
12150 | [INTEL_OUTPUT_DSI] = "DSI", |
11682 | [INTEL_OUTPUT_UNKNOWN] = "Unknown", |
12151 | [INTEL_OUTPUT_UNKNOWN] = "Unknown", |
11683 | }; |
12152 | }; |
11684 | 12153 | ||
11685 | if (output < 0 || output >= ARRAY_SIZE(names) || !names[output]) |
12154 | if (output < 0 || output >= ARRAY_SIZE(names) || !names[output]) |
11686 | return "Invalid"; |
12155 | return "Invalid"; |
11687 | 12156 | ||
11688 | return names[output]; |
12157 | return names[output]; |
11689 | } |
12158 | } |
11690 | 12159 | ||
11691 | static bool intel_crt_present(struct drm_device *dev) |
12160 | static bool intel_crt_present(struct drm_device *dev) |
11692 | { |
12161 | { |
11693 | struct drm_i915_private *dev_priv = dev->dev_private; |
12162 | struct drm_i915_private *dev_priv = dev->dev_private; |
11694 | 12163 | ||
- | 12164 | if (INTEL_INFO(dev)->gen >= 9) |
|
- | 12165 | return false; |
|
- | 12166 | ||
11695 | if (IS_ULT(dev)) |
12167 | if (IS_HSW_ULT(dev) || IS_BDW_ULT(dev)) |
11696 | return false; |
12168 | return false; |
11697 | 12169 | ||
11698 | if (IS_CHERRYVIEW(dev)) |
12170 | if (IS_CHERRYVIEW(dev)) |
11699 | return false; |
12171 | return false; |
11700 | 12172 | ||
11701 | if (IS_VALLEYVIEW(dev) && !dev_priv->vbt.int_crt_support) |
12173 | if (IS_VALLEYVIEW(dev) && !dev_priv->vbt.int_crt_support) |
11702 | return false; |
12174 | return false; |
11703 | 12175 | ||
11704 | return true; |
12176 | return true; |
11705 | } |
12177 | } |
11706 | 12178 | ||
11707 | static void intel_setup_outputs(struct drm_device *dev) |
12179 | static void intel_setup_outputs(struct drm_device *dev) |
11708 | { |
12180 | { |
11709 | struct drm_i915_private *dev_priv = dev->dev_private; |
12181 | struct drm_i915_private *dev_priv = dev->dev_private; |
11710 | struct intel_encoder *encoder; |
12182 | struct intel_encoder *encoder; |
11711 | bool dpd_is_edp = false; |
12183 | bool dpd_is_edp = false; |
11712 | 12184 | ||
11713 | intel_lvds_init(dev); |
12185 | intel_lvds_init(dev); |
11714 | 12186 | ||
11715 | if (intel_crt_present(dev)) |
12187 | if (intel_crt_present(dev)) |
11716 | intel_crt_init(dev); |
12188 | intel_crt_init(dev); |
11717 | 12189 | ||
11718 | if (HAS_DDI(dev)) { |
12190 | if (HAS_DDI(dev)) { |
11719 | int found; |
12191 | int found; |
11720 | 12192 | ||
11721 | /* Haswell uses DDI functions to detect digital outputs */ |
12193 | /* Haswell uses DDI functions to detect digital outputs */ |
11722 | found = I915_READ(DDI_BUF_CTL_A) & DDI_INIT_DISPLAY_DETECTED; |
12194 | found = I915_READ(DDI_BUF_CTL_A) & DDI_INIT_DISPLAY_DETECTED; |
11723 | /* DDI A only supports eDP */ |
12195 | /* DDI A only supports eDP */ |
11724 | if (found) |
12196 | if (found) |
11725 | intel_ddi_init(dev, PORT_A); |
12197 | intel_ddi_init(dev, PORT_A); |
11726 | 12198 | ||
11727 | /* DDI B, C and D detection is indicated by the SFUSE_STRAP |
12199 | /* DDI B, C and D detection is indicated by the SFUSE_STRAP |
11728 | * register */ |
12200 | * register */ |
11729 | found = I915_READ(SFUSE_STRAP); |
12201 | found = I915_READ(SFUSE_STRAP); |
11730 | 12202 | ||
11731 | if (found & SFUSE_STRAP_DDIB_DETECTED) |
12203 | if (found & SFUSE_STRAP_DDIB_DETECTED) |
11732 | intel_ddi_init(dev, PORT_B); |
12204 | intel_ddi_init(dev, PORT_B); |
11733 | if (found & SFUSE_STRAP_DDIC_DETECTED) |
12205 | if (found & SFUSE_STRAP_DDIC_DETECTED) |
11734 | intel_ddi_init(dev, PORT_C); |
12206 | intel_ddi_init(dev, PORT_C); |
11735 | if (found & SFUSE_STRAP_DDID_DETECTED) |
12207 | if (found & SFUSE_STRAP_DDID_DETECTED) |
11736 | intel_ddi_init(dev, PORT_D); |
12208 | intel_ddi_init(dev, PORT_D); |
11737 | } else if (HAS_PCH_SPLIT(dev)) { |
12209 | } else if (HAS_PCH_SPLIT(dev)) { |
11738 | int found; |
12210 | int found; |
11739 | dpd_is_edp = intel_dp_is_edp(dev, PORT_D); |
12211 | dpd_is_edp = intel_dp_is_edp(dev, PORT_D); |
11740 | 12212 | ||
11741 | if (has_edp_a(dev)) |
12213 | if (has_edp_a(dev)) |
11742 | intel_dp_init(dev, DP_A, PORT_A); |
12214 | intel_dp_init(dev, DP_A, PORT_A); |
11743 | 12215 | ||
11744 | if (I915_READ(PCH_HDMIB) & SDVO_DETECTED) { |
12216 | if (I915_READ(PCH_HDMIB) & SDVO_DETECTED) { |
11745 | /* PCH SDVOB multiplex with HDMIB */ |
12217 | /* PCH SDVOB multiplex with HDMIB */ |
11746 | found = intel_sdvo_init(dev, PCH_SDVOB, true); |
12218 | found = intel_sdvo_init(dev, PCH_SDVOB, true); |
11747 | if (!found) |
12219 | if (!found) |
11748 | intel_hdmi_init(dev, PCH_HDMIB, PORT_B); |
12220 | intel_hdmi_init(dev, PCH_HDMIB, PORT_B); |
11749 | if (!found && (I915_READ(PCH_DP_B) & DP_DETECTED)) |
12221 | if (!found && (I915_READ(PCH_DP_B) & DP_DETECTED)) |
11750 | intel_dp_init(dev, PCH_DP_B, PORT_B); |
12222 | intel_dp_init(dev, PCH_DP_B, PORT_B); |
11751 | } |
12223 | } |
11752 | 12224 | ||
11753 | if (I915_READ(PCH_HDMIC) & SDVO_DETECTED) |
12225 | if (I915_READ(PCH_HDMIC) & SDVO_DETECTED) |
11754 | intel_hdmi_init(dev, PCH_HDMIC, PORT_C); |
12226 | intel_hdmi_init(dev, PCH_HDMIC, PORT_C); |
11755 | 12227 | ||
11756 | if (!dpd_is_edp && I915_READ(PCH_HDMID) & SDVO_DETECTED) |
12228 | if (!dpd_is_edp && I915_READ(PCH_HDMID) & SDVO_DETECTED) |
11757 | intel_hdmi_init(dev, PCH_HDMID, PORT_D); |
12229 | intel_hdmi_init(dev, PCH_HDMID, PORT_D); |
11758 | 12230 | ||
11759 | if (I915_READ(PCH_DP_C) & DP_DETECTED) |
12231 | if (I915_READ(PCH_DP_C) & DP_DETECTED) |
11760 | intel_dp_init(dev, PCH_DP_C, PORT_C); |
12232 | intel_dp_init(dev, PCH_DP_C, PORT_C); |
11761 | 12233 | ||
11762 | if (I915_READ(PCH_DP_D) & DP_DETECTED) |
12234 | if (I915_READ(PCH_DP_D) & DP_DETECTED) |
11763 | intel_dp_init(dev, PCH_DP_D, PORT_D); |
12235 | intel_dp_init(dev, PCH_DP_D, PORT_D); |
11764 | } else if (IS_VALLEYVIEW(dev)) { |
12236 | } else if (IS_VALLEYVIEW(dev)) { |
- | 12237 | /* |
|
- | 12238 | * The DP_DETECTED bit is the latched state of the DDC |
|
- | 12239 | * SDA pin at boot. However since eDP doesn't require DDC |
|
- | 12240 | * (no way to plug in a DP->HDMI dongle) the DDC pins for |
|
- | 12241 | * eDP ports may have been muxed to an alternate function. |
|
- | 12242 | * Thus we can't rely on the DP_DETECTED bit alone to detect |
|
- | 12243 | * eDP ports. Consult the VBT as well as DP_DETECTED to |
|
- | 12244 | * detect eDP ports. |
|
- | 12245 | */ |
|
11765 | if (I915_READ(VLV_DISPLAY_BASE + GEN4_HDMIB) & SDVO_DETECTED) { |
12246 | if (I915_READ(VLV_DISPLAY_BASE + GEN4_HDMIB) & SDVO_DETECTED) |
11766 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + GEN4_HDMIB, |
12247 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + GEN4_HDMIB, |
11767 | PORT_B); |
12248 | PORT_B); |
11768 | if (I915_READ(VLV_DISPLAY_BASE + DP_B) & DP_DETECTED) |
12249 | if (I915_READ(VLV_DISPLAY_BASE + DP_B) & DP_DETECTED || |
- | 12250 | intel_dp_is_edp(dev, PORT_B)) |
|
11769 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_B, PORT_B); |
12251 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_B, PORT_B); |
11770 | } |
- | |
11771 | 12252 | ||
11772 | if (I915_READ(VLV_DISPLAY_BASE + GEN4_HDMIC) & SDVO_DETECTED) { |
12253 | if (I915_READ(VLV_DISPLAY_BASE + GEN4_HDMIC) & SDVO_DETECTED) |
11773 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + GEN4_HDMIC, |
12254 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + GEN4_HDMIC, |
11774 | PORT_C); |
12255 | PORT_C); |
- | 12256 | if (I915_READ(VLV_DISPLAY_BASE + DP_C) & DP_DETECTED || |
|
11775 | if (I915_READ(VLV_DISPLAY_BASE + DP_C) & DP_DETECTED) |
12257 | intel_dp_is_edp(dev, PORT_C)) |
11776 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_C, PORT_C); |
- | |
11777 | } |
12258 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_C, PORT_C); |
11778 | 12259 | ||
11779 | if (IS_CHERRYVIEW(dev)) { |
12260 | if (IS_CHERRYVIEW(dev)) { |
11780 | if (I915_READ(VLV_DISPLAY_BASE + CHV_HDMID) & SDVO_DETECTED) { |
12261 | if (I915_READ(VLV_DISPLAY_BASE + CHV_HDMID) & SDVO_DETECTED) |
- | 12262 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + CHV_HDMID, |
|
11781 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + CHV_HDMID, |
12263 | PORT_D); |
11782 | PORT_D); |
12264 | /* eDP not supported on port D, so don't check VBT */ |
11783 | if (I915_READ(VLV_DISPLAY_BASE + DP_D) & DP_DETECTED) |
12265 | if (I915_READ(VLV_DISPLAY_BASE + DP_D) & DP_DETECTED) |
11784 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_D, PORT_D); |
12266 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_D, PORT_D); |
11785 | } |
12267 | } |
11786 | } |
- | |
11787 | 12268 | ||
11788 | intel_dsi_init(dev); |
12269 | intel_dsi_init(dev); |
11789 | } else if (SUPPORTS_DIGITAL_OUTPUTS(dev)) { |
12270 | } else if (SUPPORTS_DIGITAL_OUTPUTS(dev)) { |
11790 | bool found = false; |
12271 | bool found = false; |
11791 | 12272 | ||
11792 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
12273 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
11793 | DRM_DEBUG_KMS("probing SDVOB\n"); |
12274 | DRM_DEBUG_KMS("probing SDVOB\n"); |
11794 | found = intel_sdvo_init(dev, GEN3_SDVOB, true); |
12275 | found = intel_sdvo_init(dev, GEN3_SDVOB, true); |
11795 | if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) { |
12276 | if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) { |
11796 | DRM_DEBUG_KMS("probing HDMI on SDVOB\n"); |
12277 | DRM_DEBUG_KMS("probing HDMI on SDVOB\n"); |
11797 | intel_hdmi_init(dev, GEN4_HDMIB, PORT_B); |
12278 | intel_hdmi_init(dev, GEN4_HDMIB, PORT_B); |
11798 | } |
12279 | } |
11799 | 12280 | ||
11800 | if (!found && SUPPORTS_INTEGRATED_DP(dev)) |
12281 | if (!found && SUPPORTS_INTEGRATED_DP(dev)) |
11801 | intel_dp_init(dev, DP_B, PORT_B); |
12282 | intel_dp_init(dev, DP_B, PORT_B); |
11802 | } |
12283 | } |
11803 | 12284 | ||
11804 | /* Before G4X SDVOC doesn't have its own detect register */ |
12285 | /* Before G4X SDVOC doesn't have its own detect register */ |
11805 | 12286 | ||
11806 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
12287 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
11807 | DRM_DEBUG_KMS("probing SDVOC\n"); |
12288 | DRM_DEBUG_KMS("probing SDVOC\n"); |
11808 | found = intel_sdvo_init(dev, GEN3_SDVOC, false); |
12289 | found = intel_sdvo_init(dev, GEN3_SDVOC, false); |
11809 | } |
12290 | } |
11810 | 12291 | ||
11811 | if (!found && (I915_READ(GEN3_SDVOC) & SDVO_DETECTED)) { |
12292 | if (!found && (I915_READ(GEN3_SDVOC) & SDVO_DETECTED)) { |
11812 | 12293 | ||
11813 | if (SUPPORTS_INTEGRATED_HDMI(dev)) { |
12294 | if (SUPPORTS_INTEGRATED_HDMI(dev)) { |
11814 | DRM_DEBUG_KMS("probing HDMI on SDVOC\n"); |
12295 | DRM_DEBUG_KMS("probing HDMI on SDVOC\n"); |
11815 | intel_hdmi_init(dev, GEN4_HDMIC, PORT_C); |
12296 | intel_hdmi_init(dev, GEN4_HDMIC, PORT_C); |
11816 | } |
12297 | } |
11817 | if (SUPPORTS_INTEGRATED_DP(dev)) |
12298 | if (SUPPORTS_INTEGRATED_DP(dev)) |
11818 | intel_dp_init(dev, DP_C, PORT_C); |
12299 | intel_dp_init(dev, DP_C, PORT_C); |
11819 | } |
12300 | } |
11820 | 12301 | ||
11821 | if (SUPPORTS_INTEGRATED_DP(dev) && |
12302 | if (SUPPORTS_INTEGRATED_DP(dev) && |
11822 | (I915_READ(DP_D) & DP_DETECTED)) |
12303 | (I915_READ(DP_D) & DP_DETECTED)) |
11823 | intel_dp_init(dev, DP_D, PORT_D); |
12304 | intel_dp_init(dev, DP_D, PORT_D); |
11824 | } else if (IS_GEN2(dev)) |
12305 | } else if (IS_GEN2(dev)) |
11825 | intel_dvo_init(dev); |
12306 | intel_dvo_init(dev); |
11826 | 12307 | ||
11827 | 12308 | ||
11828 | intel_edp_psr_init(dev); |
12309 | intel_psr_init(dev); |
11829 | 12310 | ||
11830 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) { |
12311 | for_each_intel_encoder(dev, encoder) { |
11831 | encoder->base.possible_crtcs = encoder->crtc_mask; |
12312 | encoder->base.possible_crtcs = encoder->crtc_mask; |
11832 | encoder->base.possible_clones = |
12313 | encoder->base.possible_clones = |
11833 | intel_encoder_clones(encoder); |
12314 | intel_encoder_clones(encoder); |
11834 | } |
12315 | } |
11835 | 12316 | ||
11836 | intel_init_pch_refclk(dev); |
12317 | intel_init_pch_refclk(dev); |
11837 | 12318 | ||
11838 | drm_helper_move_panel_connectors_to_head(dev); |
12319 | drm_helper_move_panel_connectors_to_head(dev); |
11839 | } |
12320 | } |
11840 | 12321 | ||
11841 | 12322 | ||
11842 | 12323 | ||
11843 | static const struct drm_framebuffer_funcs intel_fb_funcs = { |
12324 | static const struct drm_framebuffer_funcs intel_fb_funcs = { |
11844 | // .destroy = intel_user_framebuffer_destroy, |
12325 | // .destroy = intel_user_framebuffer_destroy, |
11845 | // .create_handle = intel_user_framebuffer_create_handle, |
12326 | // .create_handle = intel_user_framebuffer_create_handle, |
11846 | }; |
12327 | }; |
11847 | 12328 | ||
11848 | static int intel_framebuffer_init(struct drm_device *dev, |
12329 | static int intel_framebuffer_init(struct drm_device *dev, |
11849 | struct intel_framebuffer *intel_fb, |
12330 | struct intel_framebuffer *intel_fb, |
11850 | struct drm_mode_fb_cmd2 *mode_cmd, |
12331 | struct drm_mode_fb_cmd2 *mode_cmd, |
11851 | struct drm_i915_gem_object *obj) |
12332 | struct drm_i915_gem_object *obj) |
11852 | { |
12333 | { |
11853 | int aligned_height; |
12334 | int aligned_height; |
11854 | int pitch_limit; |
12335 | int pitch_limit; |
11855 | int ret; |
12336 | int ret; |
11856 | 12337 | ||
11857 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
12338 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
11858 | 12339 | ||
11859 | if (obj->tiling_mode == I915_TILING_Y) { |
12340 | if (obj->tiling_mode == I915_TILING_Y) { |
11860 | DRM_DEBUG("hardware does not support tiling Y\n"); |
12341 | DRM_DEBUG("hardware does not support tiling Y\n"); |
11861 | return -EINVAL; |
12342 | return -EINVAL; |
11862 | } |
12343 | } |
11863 | 12344 | ||
11864 | if (mode_cmd->pitches[0] & 63) { |
12345 | if (mode_cmd->pitches[0] & 63) { |
11865 | DRM_DEBUG("pitch (%d) must be at least 64 byte aligned\n", |
12346 | DRM_DEBUG("pitch (%d) must be at least 64 byte aligned\n", |
11866 | mode_cmd->pitches[0]); |
12347 | mode_cmd->pitches[0]); |
11867 | return -EINVAL; |
12348 | return -EINVAL; |
11868 | } |
12349 | } |
11869 | 12350 | ||
11870 | if (INTEL_INFO(dev)->gen >= 5 && !IS_VALLEYVIEW(dev)) { |
12351 | if (INTEL_INFO(dev)->gen >= 5 && !IS_VALLEYVIEW(dev)) { |
11871 | pitch_limit = 32*1024; |
12352 | pitch_limit = 32*1024; |
11872 | } else if (INTEL_INFO(dev)->gen >= 4) { |
12353 | } else if (INTEL_INFO(dev)->gen >= 4) { |
11873 | if (obj->tiling_mode) |
12354 | if (obj->tiling_mode) |
11874 | pitch_limit = 16*1024; |
12355 | pitch_limit = 16*1024; |
11875 | else |
12356 | else |
11876 | pitch_limit = 32*1024; |
12357 | pitch_limit = 32*1024; |
11877 | } else if (INTEL_INFO(dev)->gen >= 3) { |
12358 | } else if (INTEL_INFO(dev)->gen >= 3) { |
11878 | if (obj->tiling_mode) |
12359 | if (obj->tiling_mode) |
11879 | pitch_limit = 8*1024; |
12360 | pitch_limit = 8*1024; |
11880 | else |
12361 | else |
11881 | pitch_limit = 16*1024; |
12362 | pitch_limit = 16*1024; |
11882 | } else |
12363 | } else |
11883 | /* XXX DSPC is limited to 4k tiled */ |
12364 | /* XXX DSPC is limited to 4k tiled */ |
11884 | pitch_limit = 8*1024; |
12365 | pitch_limit = 8*1024; |
11885 | 12366 | ||
11886 | if (mode_cmd->pitches[0] > pitch_limit) { |
12367 | if (mode_cmd->pitches[0] > pitch_limit) { |
11887 | DRM_DEBUG("%s pitch (%d) must be at less than %d\n", |
12368 | DRM_DEBUG("%s pitch (%d) must be at less than %d\n", |
11888 | obj->tiling_mode ? "tiled" : "linear", |
12369 | obj->tiling_mode ? "tiled" : "linear", |
11889 | mode_cmd->pitches[0], pitch_limit); |
12370 | mode_cmd->pitches[0], pitch_limit); |
11890 | return -EINVAL; |
12371 | return -EINVAL; |
11891 | } |
12372 | } |
11892 | 12373 | ||
11893 | if (obj->tiling_mode != I915_TILING_NONE && |
12374 | if (obj->tiling_mode != I915_TILING_NONE && |
11894 | mode_cmd->pitches[0] != obj->stride) { |
12375 | mode_cmd->pitches[0] != obj->stride) { |
11895 | DRM_DEBUG("pitch (%d) must match tiling stride (%d)\n", |
12376 | DRM_DEBUG("pitch (%d) must match tiling stride (%d)\n", |
11896 | mode_cmd->pitches[0], obj->stride); |
12377 | mode_cmd->pitches[0], obj->stride); |
11897 | return -EINVAL; |
12378 | return -EINVAL; |
11898 | } |
12379 | } |
11899 | 12380 | ||
11900 | /* Reject formats not supported by any plane early. */ |
12381 | /* Reject formats not supported by any plane early. */ |
11901 | switch (mode_cmd->pixel_format) { |
12382 | switch (mode_cmd->pixel_format) { |
11902 | case DRM_FORMAT_C8: |
12383 | case DRM_FORMAT_C8: |
11903 | case DRM_FORMAT_RGB565: |
12384 | case DRM_FORMAT_RGB565: |
11904 | case DRM_FORMAT_XRGB8888: |
12385 | case DRM_FORMAT_XRGB8888: |
11905 | case DRM_FORMAT_ARGB8888: |
12386 | case DRM_FORMAT_ARGB8888: |
11906 | break; |
12387 | break; |
11907 | case DRM_FORMAT_XRGB1555: |
12388 | case DRM_FORMAT_XRGB1555: |
11908 | case DRM_FORMAT_ARGB1555: |
12389 | case DRM_FORMAT_ARGB1555: |
11909 | if (INTEL_INFO(dev)->gen > 3) { |
12390 | if (INTEL_INFO(dev)->gen > 3) { |
11910 | DRM_DEBUG("unsupported pixel format: %s\n", |
12391 | DRM_DEBUG("unsupported pixel format: %s\n", |
11911 | drm_get_format_name(mode_cmd->pixel_format)); |
12392 | drm_get_format_name(mode_cmd->pixel_format)); |
11912 | return -EINVAL; |
12393 | return -EINVAL; |
11913 | } |
12394 | } |
11914 | break; |
12395 | break; |
11915 | case DRM_FORMAT_XBGR8888: |
12396 | case DRM_FORMAT_XBGR8888: |
11916 | case DRM_FORMAT_ABGR8888: |
12397 | case DRM_FORMAT_ABGR8888: |
11917 | case DRM_FORMAT_XRGB2101010: |
12398 | case DRM_FORMAT_XRGB2101010: |
11918 | case DRM_FORMAT_ARGB2101010: |
12399 | case DRM_FORMAT_ARGB2101010: |
11919 | case DRM_FORMAT_XBGR2101010: |
12400 | case DRM_FORMAT_XBGR2101010: |
11920 | case DRM_FORMAT_ABGR2101010: |
12401 | case DRM_FORMAT_ABGR2101010: |
11921 | if (INTEL_INFO(dev)->gen < 4) { |
12402 | if (INTEL_INFO(dev)->gen < 4) { |
11922 | DRM_DEBUG("unsupported pixel format: %s\n", |
12403 | DRM_DEBUG("unsupported pixel format: %s\n", |
11923 | drm_get_format_name(mode_cmd->pixel_format)); |
12404 | drm_get_format_name(mode_cmd->pixel_format)); |
11924 | return -EINVAL; |
12405 | return -EINVAL; |
11925 | } |
12406 | } |
11926 | break; |
12407 | break; |
11927 | case DRM_FORMAT_YUYV: |
12408 | case DRM_FORMAT_YUYV: |
11928 | case DRM_FORMAT_UYVY: |
12409 | case DRM_FORMAT_UYVY: |
11929 | case DRM_FORMAT_YVYU: |
12410 | case DRM_FORMAT_YVYU: |
11930 | case DRM_FORMAT_VYUY: |
12411 | case DRM_FORMAT_VYUY: |
11931 | if (INTEL_INFO(dev)->gen < 5) { |
12412 | if (INTEL_INFO(dev)->gen < 5) { |
11932 | DRM_DEBUG("unsupported pixel format: %s\n", |
12413 | DRM_DEBUG("unsupported pixel format: %s\n", |
11933 | drm_get_format_name(mode_cmd->pixel_format)); |
12414 | drm_get_format_name(mode_cmd->pixel_format)); |
11934 | return -EINVAL; |
12415 | return -EINVAL; |
11935 | } |
12416 | } |
11936 | break; |
12417 | break; |
11937 | default: |
12418 | default: |
11938 | DRM_DEBUG("unsupported pixel format: %s\n", |
12419 | DRM_DEBUG("unsupported pixel format: %s\n", |
11939 | drm_get_format_name(mode_cmd->pixel_format)); |
12420 | drm_get_format_name(mode_cmd->pixel_format)); |
11940 | return -EINVAL; |
12421 | return -EINVAL; |
11941 | } |
12422 | } |
11942 | 12423 | ||
11943 | /* FIXME need to adjust LINOFF/TILEOFF accordingly. */ |
12424 | /* FIXME need to adjust LINOFF/TILEOFF accordingly. */ |
11944 | if (mode_cmd->offsets[0] != 0) |
12425 | if (mode_cmd->offsets[0] != 0) |
11945 | return -EINVAL; |
12426 | return -EINVAL; |
11946 | 12427 | ||
11947 | aligned_height = intel_align_height(dev, mode_cmd->height, |
12428 | aligned_height = intel_align_height(dev, mode_cmd->height, |
11948 | obj->tiling_mode); |
12429 | obj->tiling_mode); |
11949 | /* FIXME drm helper for size checks (especially planar formats)? */ |
12430 | /* FIXME drm helper for size checks (especially planar formats)? */ |
11950 | if (obj->base.size < aligned_height * mode_cmd->pitches[0]) |
12431 | if (obj->base.size < aligned_height * mode_cmd->pitches[0]) |
11951 | return -EINVAL; |
12432 | return -EINVAL; |
11952 | 12433 | ||
11953 | drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd); |
12434 | drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd); |
11954 | intel_fb->obj = obj; |
12435 | intel_fb->obj = obj; |
11955 | intel_fb->obj->framebuffer_references++; |
12436 | intel_fb->obj->framebuffer_references++; |
11956 | 12437 | ||
11957 | ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs); |
12438 | ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs); |
11958 | if (ret) { |
12439 | if (ret) { |
11959 | DRM_ERROR("framebuffer init failed %d\n", ret); |
12440 | DRM_ERROR("framebuffer init failed %d\n", ret); |
11960 | return ret; |
12441 | return ret; |
11961 | } |
12442 | } |
11962 | 12443 | ||
11963 | return 0; |
12444 | return 0; |
11964 | } |
12445 | } |
11965 | 12446 | ||
11966 | #ifndef CONFIG_DRM_I915_FBDEV |
12447 | #ifndef CONFIG_DRM_I915_FBDEV |
11967 | static inline void intel_fbdev_output_poll_changed(struct drm_device *dev) |
12448 | static inline void intel_fbdev_output_poll_changed(struct drm_device *dev) |
11968 | { |
12449 | { |
11969 | } |
12450 | } |
11970 | #endif |
12451 | #endif |
11971 | 12452 | ||
11972 | static const struct drm_mode_config_funcs intel_mode_funcs = { |
12453 | static const struct drm_mode_config_funcs intel_mode_funcs = { |
11973 | .fb_create = NULL, |
12454 | .fb_create = NULL, |
11974 | .output_poll_changed = intel_fbdev_output_poll_changed, |
12455 | .output_poll_changed = intel_fbdev_output_poll_changed, |
11975 | }; |
12456 | }; |
11976 | 12457 | ||
11977 | /* Set up chip specific display functions */ |
12458 | /* Set up chip specific display functions */ |
11978 | static void intel_init_display(struct drm_device *dev) |
12459 | static void intel_init_display(struct drm_device *dev) |
11979 | { |
12460 | { |
11980 | struct drm_i915_private *dev_priv = dev->dev_private; |
12461 | struct drm_i915_private *dev_priv = dev->dev_private; |
11981 | 12462 | ||
11982 | if (HAS_PCH_SPLIT(dev) || IS_G4X(dev)) |
12463 | if (HAS_PCH_SPLIT(dev) || IS_G4X(dev)) |
11983 | dev_priv->display.find_dpll = g4x_find_best_dpll; |
12464 | dev_priv->display.find_dpll = g4x_find_best_dpll; |
11984 | else if (IS_CHERRYVIEW(dev)) |
12465 | else if (IS_CHERRYVIEW(dev)) |
11985 | dev_priv->display.find_dpll = chv_find_best_dpll; |
12466 | dev_priv->display.find_dpll = chv_find_best_dpll; |
11986 | else if (IS_VALLEYVIEW(dev)) |
12467 | else if (IS_VALLEYVIEW(dev)) |
11987 | dev_priv->display.find_dpll = vlv_find_best_dpll; |
12468 | dev_priv->display.find_dpll = vlv_find_best_dpll; |
11988 | else if (IS_PINEVIEW(dev)) |
12469 | else if (IS_PINEVIEW(dev)) |
11989 | dev_priv->display.find_dpll = pnv_find_best_dpll; |
12470 | dev_priv->display.find_dpll = pnv_find_best_dpll; |
11990 | else |
12471 | else |
11991 | dev_priv->display.find_dpll = i9xx_find_best_dpll; |
12472 | dev_priv->display.find_dpll = i9xx_find_best_dpll; |
11992 | 12473 | ||
11993 | if (HAS_DDI(dev)) { |
12474 | if (HAS_DDI(dev)) { |
11994 | dev_priv->display.get_pipe_config = haswell_get_pipe_config; |
12475 | dev_priv->display.get_pipe_config = haswell_get_pipe_config; |
11995 | dev_priv->display.get_plane_config = ironlake_get_plane_config; |
12476 | dev_priv->display.get_plane_config = ironlake_get_plane_config; |
11996 | dev_priv->display.crtc_mode_set = haswell_crtc_mode_set; |
12477 | dev_priv->display.crtc_compute_clock = |
- | 12478 | haswell_crtc_compute_clock; |
|
11997 | dev_priv->display.crtc_enable = haswell_crtc_enable; |
12479 | dev_priv->display.crtc_enable = haswell_crtc_enable; |
11998 | dev_priv->display.crtc_disable = haswell_crtc_disable; |
12480 | dev_priv->display.crtc_disable = haswell_crtc_disable; |
11999 | dev_priv->display.off = ironlake_crtc_off; |
12481 | dev_priv->display.off = ironlake_crtc_off; |
- | 12482 | if (INTEL_INFO(dev)->gen >= 9) |
|
- | 12483 | dev_priv->display.update_primary_plane = |
|
- | 12484 | skylake_update_primary_plane; |
|
- | 12485 | else |
|
12000 | dev_priv->display.update_primary_plane = |
12486 | dev_priv->display.update_primary_plane = |
12001 | ironlake_update_primary_plane; |
12487 | ironlake_update_primary_plane; |
12002 | } else if (HAS_PCH_SPLIT(dev)) { |
12488 | } else if (HAS_PCH_SPLIT(dev)) { |
12003 | dev_priv->display.get_pipe_config = ironlake_get_pipe_config; |
12489 | dev_priv->display.get_pipe_config = ironlake_get_pipe_config; |
12004 | dev_priv->display.get_plane_config = ironlake_get_plane_config; |
12490 | dev_priv->display.get_plane_config = ironlake_get_plane_config; |
12005 | dev_priv->display.crtc_mode_set = ironlake_crtc_mode_set; |
12491 | dev_priv->display.crtc_compute_clock = |
- | 12492 | ironlake_crtc_compute_clock; |
|
12006 | dev_priv->display.crtc_enable = ironlake_crtc_enable; |
12493 | dev_priv->display.crtc_enable = ironlake_crtc_enable; |
12007 | dev_priv->display.crtc_disable = ironlake_crtc_disable; |
12494 | dev_priv->display.crtc_disable = ironlake_crtc_disable; |
12008 | dev_priv->display.off = ironlake_crtc_off; |
12495 | dev_priv->display.off = ironlake_crtc_off; |
12009 | dev_priv->display.update_primary_plane = |
12496 | dev_priv->display.update_primary_plane = |
12010 | ironlake_update_primary_plane; |
12497 | ironlake_update_primary_plane; |
12011 | } else if (IS_VALLEYVIEW(dev)) { |
12498 | } else if (IS_VALLEYVIEW(dev)) { |
12012 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; |
12499 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; |
12013 | dev_priv->display.get_plane_config = i9xx_get_plane_config; |
12500 | dev_priv->display.get_plane_config = i9xx_get_plane_config; |
12014 | dev_priv->display.crtc_mode_set = i9xx_crtc_mode_set; |
12501 | dev_priv->display.crtc_compute_clock = i9xx_crtc_compute_clock; |
12015 | dev_priv->display.crtc_enable = valleyview_crtc_enable; |
12502 | dev_priv->display.crtc_enable = valleyview_crtc_enable; |
12016 | dev_priv->display.crtc_disable = i9xx_crtc_disable; |
12503 | dev_priv->display.crtc_disable = i9xx_crtc_disable; |
12017 | dev_priv->display.off = i9xx_crtc_off; |
12504 | dev_priv->display.off = i9xx_crtc_off; |
12018 | dev_priv->display.update_primary_plane = |
12505 | dev_priv->display.update_primary_plane = |
12019 | i9xx_update_primary_plane; |
12506 | i9xx_update_primary_plane; |
12020 | } else { |
12507 | } else { |
12021 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; |
12508 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; |
12022 | dev_priv->display.get_plane_config = i9xx_get_plane_config; |
12509 | dev_priv->display.get_plane_config = i9xx_get_plane_config; |
12023 | dev_priv->display.crtc_mode_set = i9xx_crtc_mode_set; |
12510 | dev_priv->display.crtc_compute_clock = i9xx_crtc_compute_clock; |
12024 | dev_priv->display.crtc_enable = i9xx_crtc_enable; |
12511 | dev_priv->display.crtc_enable = i9xx_crtc_enable; |
12025 | dev_priv->display.crtc_disable = i9xx_crtc_disable; |
12512 | dev_priv->display.crtc_disable = i9xx_crtc_disable; |
12026 | dev_priv->display.off = i9xx_crtc_off; |
12513 | dev_priv->display.off = i9xx_crtc_off; |
12027 | dev_priv->display.update_primary_plane = |
12514 | dev_priv->display.update_primary_plane = |
12028 | i9xx_update_primary_plane; |
12515 | i9xx_update_primary_plane; |
12029 | } |
12516 | } |
12030 | 12517 | ||
12031 | /* Returns the core display clock speed */ |
12518 | /* Returns the core display clock speed */ |
12032 | if (IS_VALLEYVIEW(dev)) |
12519 | if (IS_VALLEYVIEW(dev)) |
12033 | dev_priv->display.get_display_clock_speed = |
12520 | dev_priv->display.get_display_clock_speed = |
12034 | valleyview_get_display_clock_speed; |
12521 | valleyview_get_display_clock_speed; |
12035 | else if (IS_I945G(dev) || (IS_G33(dev) && !IS_PINEVIEW_M(dev))) |
12522 | else if (IS_I945G(dev) || (IS_G33(dev) && !IS_PINEVIEW_M(dev))) |
12036 | dev_priv->display.get_display_clock_speed = |
12523 | dev_priv->display.get_display_clock_speed = |
12037 | i945_get_display_clock_speed; |
12524 | i945_get_display_clock_speed; |
12038 | else if (IS_I915G(dev)) |
12525 | else if (IS_I915G(dev)) |
12039 | dev_priv->display.get_display_clock_speed = |
12526 | dev_priv->display.get_display_clock_speed = |
12040 | i915_get_display_clock_speed; |
12527 | i915_get_display_clock_speed; |
12041 | else if (IS_I945GM(dev) || IS_845G(dev)) |
12528 | else if (IS_I945GM(dev) || IS_845G(dev)) |
12042 | dev_priv->display.get_display_clock_speed = |
12529 | dev_priv->display.get_display_clock_speed = |
12043 | i9xx_misc_get_display_clock_speed; |
12530 | i9xx_misc_get_display_clock_speed; |
12044 | else if (IS_PINEVIEW(dev)) |
12531 | else if (IS_PINEVIEW(dev)) |
12045 | dev_priv->display.get_display_clock_speed = |
12532 | dev_priv->display.get_display_clock_speed = |
12046 | pnv_get_display_clock_speed; |
12533 | pnv_get_display_clock_speed; |
12047 | else if (IS_I915GM(dev)) |
12534 | else if (IS_I915GM(dev)) |
12048 | dev_priv->display.get_display_clock_speed = |
12535 | dev_priv->display.get_display_clock_speed = |
12049 | i915gm_get_display_clock_speed; |
12536 | i915gm_get_display_clock_speed; |
12050 | else if (IS_I865G(dev)) |
12537 | else if (IS_I865G(dev)) |
12051 | dev_priv->display.get_display_clock_speed = |
12538 | dev_priv->display.get_display_clock_speed = |
12052 | i865_get_display_clock_speed; |
12539 | i865_get_display_clock_speed; |
12053 | else if (IS_I85X(dev)) |
12540 | else if (IS_I85X(dev)) |
12054 | dev_priv->display.get_display_clock_speed = |
12541 | dev_priv->display.get_display_clock_speed = |
12055 | i855_get_display_clock_speed; |
12542 | i855_get_display_clock_speed; |
12056 | else /* 852, 830 */ |
12543 | else /* 852, 830 */ |
12057 | dev_priv->display.get_display_clock_speed = |
12544 | dev_priv->display.get_display_clock_speed = |
12058 | i830_get_display_clock_speed; |
12545 | i830_get_display_clock_speed; |
12059 | - | ||
12060 | if (HAS_PCH_SPLIT(dev)) { |
12546 | |
12061 | if (IS_GEN5(dev)) { |
12547 | if (IS_GEN5(dev)) { |
12062 | dev_priv->display.fdi_link_train = ironlake_fdi_link_train; |
- | |
12063 | dev_priv->display.write_eld = ironlake_write_eld; |
12548 | dev_priv->display.fdi_link_train = ironlake_fdi_link_train; |
12064 | } else if (IS_GEN6(dev)) { |
12549 | } else if (IS_GEN6(dev)) { |
12065 | dev_priv->display.fdi_link_train = gen6_fdi_link_train; |
- | |
12066 | dev_priv->display.write_eld = ironlake_write_eld; |
- | |
12067 | dev_priv->display.modeset_global_resources = |
- | |
12068 | snb_modeset_global_resources; |
12550 | dev_priv->display.fdi_link_train = gen6_fdi_link_train; |
12069 | } else if (IS_IVYBRIDGE(dev)) { |
12551 | } else if (IS_IVYBRIDGE(dev)) { |
12070 | /* FIXME: detect B0+ stepping and use auto training */ |
12552 | /* FIXME: detect B0+ stepping and use auto training */ |
12071 | dev_priv->display.fdi_link_train = ivb_manual_fdi_link_train; |
12553 | dev_priv->display.fdi_link_train = ivb_manual_fdi_link_train; |
12072 | dev_priv->display.write_eld = ironlake_write_eld; |
- | |
12073 | dev_priv->display.modeset_global_resources = |
12554 | dev_priv->display.modeset_global_resources = |
12074 | ivb_modeset_global_resources; |
12555 | ivb_modeset_global_resources; |
12075 | } else if (IS_HASWELL(dev) || IS_GEN8(dev)) { |
12556 | } else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
12076 | dev_priv->display.fdi_link_train = hsw_fdi_link_train; |
12557 | dev_priv->display.fdi_link_train = hsw_fdi_link_train; |
12077 | dev_priv->display.write_eld = haswell_write_eld; |
- | |
12078 | dev_priv->display.modeset_global_resources = |
- | |
12079 | haswell_modeset_global_resources; |
- | |
12080 | } |
- | |
12081 | } else if (IS_G4X(dev)) { |
- | |
12082 | dev_priv->display.write_eld = g4x_write_eld; |
- | |
12083 | } else if (IS_VALLEYVIEW(dev)) { |
12558 | } else if (IS_VALLEYVIEW(dev)) { |
12084 | dev_priv->display.modeset_global_resources = |
12559 | dev_priv->display.modeset_global_resources = |
12085 | valleyview_modeset_global_resources; |
12560 | valleyview_modeset_global_resources; |
12086 | dev_priv->display.write_eld = ironlake_write_eld; |
- | |
12087 | } |
12561 | } |
12088 | 12562 | ||
12089 | /* Default just returns -ENODEV to indicate unsupported */ |
12563 | /* Default just returns -ENODEV to indicate unsupported */ |
12090 | // dev_priv->display.queue_flip = intel_default_queue_flip; |
12564 | // dev_priv->display.queue_flip = intel_default_queue_flip; |
12091 | 12565 | ||
12092 | 12566 | ||
12093 | 12567 | ||
12094 | 12568 | ||
12095 | intel_panel_init_backlight_funcs(dev); |
12569 | intel_panel_init_backlight_funcs(dev); |
- | 12570 | ||
- | 12571 | mutex_init(&dev_priv->pps_mutex); |
|
12096 | } |
12572 | } |
12097 | 12573 | ||
12098 | /* |
12574 | /* |
12099 | * Some BIOSes insist on assuming the GPU's pipe A is enabled at suspend, |
12575 | * Some BIOSes insist on assuming the GPU's pipe A is enabled at suspend, |
12100 | * resume, or other times. This quirk makes sure that's the case for |
12576 | * resume, or other times. This quirk makes sure that's the case for |
12101 | * affected systems. |
12577 | * affected systems. |
12102 | */ |
12578 | */ |
12103 | static void quirk_pipea_force(struct drm_device *dev) |
12579 | static void quirk_pipea_force(struct drm_device *dev) |
12104 | { |
12580 | { |
12105 | struct drm_i915_private *dev_priv = dev->dev_private; |
12581 | struct drm_i915_private *dev_priv = dev->dev_private; |
12106 | 12582 | ||
12107 | dev_priv->quirks |= QUIRK_PIPEA_FORCE; |
12583 | dev_priv->quirks |= QUIRK_PIPEA_FORCE; |
12108 | DRM_INFO("applying pipe a force quirk\n"); |
12584 | DRM_INFO("applying pipe a force quirk\n"); |
12109 | } |
12585 | } |
- | 12586 | ||
- | 12587 | static void quirk_pipeb_force(struct drm_device *dev) |
|
- | 12588 | { |
|
- | 12589 | struct drm_i915_private *dev_priv = dev->dev_private; |
|
- | 12590 | ||
- | 12591 | dev_priv->quirks |= QUIRK_PIPEB_FORCE; |
|
- | 12592 | DRM_INFO("applying pipe b force quirk\n"); |
|
- | 12593 | } |
|
12110 | 12594 | ||
12111 | /* |
12595 | /* |
12112 | * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason |
12596 | * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason |
12113 | */ |
12597 | */ |
12114 | static void quirk_ssc_force_disable(struct drm_device *dev) |
12598 | static void quirk_ssc_force_disable(struct drm_device *dev) |
12115 | { |
12599 | { |
12116 | struct drm_i915_private *dev_priv = dev->dev_private; |
12600 | struct drm_i915_private *dev_priv = dev->dev_private; |
12117 | dev_priv->quirks |= QUIRK_LVDS_SSC_DISABLE; |
12601 | dev_priv->quirks |= QUIRK_LVDS_SSC_DISABLE; |
12118 | DRM_INFO("applying lvds SSC disable quirk\n"); |
12602 | DRM_INFO("applying lvds SSC disable quirk\n"); |
12119 | } |
12603 | } |
12120 | 12604 | ||
12121 | /* |
12605 | /* |
12122 | * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight |
12606 | * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight |
12123 | * brightness value |
12607 | * brightness value |
12124 | */ |
12608 | */ |
12125 | static void quirk_invert_brightness(struct drm_device *dev) |
12609 | static void quirk_invert_brightness(struct drm_device *dev) |
12126 | { |
12610 | { |
12127 | struct drm_i915_private *dev_priv = dev->dev_private; |
12611 | struct drm_i915_private *dev_priv = dev->dev_private; |
12128 | dev_priv->quirks |= QUIRK_INVERT_BRIGHTNESS; |
12612 | dev_priv->quirks |= QUIRK_INVERT_BRIGHTNESS; |
12129 | DRM_INFO("applying inverted panel brightness quirk\n"); |
12613 | DRM_INFO("applying inverted panel brightness quirk\n"); |
12130 | } |
12614 | } |
12131 | 12615 | ||
12132 | /* Some VBT's incorrectly indicate no backlight is present */ |
12616 | /* Some VBT's incorrectly indicate no backlight is present */ |
12133 | static void quirk_backlight_present(struct drm_device *dev) |
12617 | static void quirk_backlight_present(struct drm_device *dev) |
12134 | { |
12618 | { |
12135 | struct drm_i915_private *dev_priv = dev->dev_private; |
12619 | struct drm_i915_private *dev_priv = dev->dev_private; |
12136 | dev_priv->quirks |= QUIRK_BACKLIGHT_PRESENT; |
12620 | dev_priv->quirks |= QUIRK_BACKLIGHT_PRESENT; |
12137 | DRM_INFO("applying backlight present quirk\n"); |
12621 | DRM_INFO("applying backlight present quirk\n"); |
12138 | } |
12622 | } |
12139 | 12623 | ||
12140 | struct intel_quirk { |
12624 | struct intel_quirk { |
12141 | int device; |
12625 | int device; |
12142 | int subsystem_vendor; |
12626 | int subsystem_vendor; |
12143 | int subsystem_device; |
12627 | int subsystem_device; |
12144 | void (*hook)(struct drm_device *dev); |
12628 | void (*hook)(struct drm_device *dev); |
12145 | }; |
12629 | }; |
12146 | 12630 | ||
12147 | /* For systems that don't have a meaningful PCI subdevice/subvendor ID */ |
12631 | /* For systems that don't have a meaningful PCI subdevice/subvendor ID */ |
12148 | struct intel_dmi_quirk { |
12632 | struct intel_dmi_quirk { |
12149 | void (*hook)(struct drm_device *dev); |
12633 | void (*hook)(struct drm_device *dev); |
12150 | const struct dmi_system_id (*dmi_id_list)[]; |
12634 | const struct dmi_system_id (*dmi_id_list)[]; |
12151 | }; |
12635 | }; |
12152 | 12636 | ||
12153 | static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) |
12637 | static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) |
12154 | { |
12638 | { |
12155 | DRM_INFO("Backlight polarity reversed on %s\n", id->ident); |
12639 | DRM_INFO("Backlight polarity reversed on %s\n", id->ident); |
12156 | return 1; |
12640 | return 1; |
12157 | } |
12641 | } |
12158 | 12642 | ||
12159 | static const struct intel_dmi_quirk intel_dmi_quirks[] = { |
12643 | static const struct intel_dmi_quirk intel_dmi_quirks[] = { |
12160 | { |
12644 | { |
12161 | .dmi_id_list = &(const struct dmi_system_id[]) { |
12645 | .dmi_id_list = &(const struct dmi_system_id[]) { |
12162 | { |
12646 | { |
12163 | .callback = intel_dmi_reverse_brightness, |
12647 | .callback = intel_dmi_reverse_brightness, |
12164 | .ident = "NCR Corporation", |
12648 | .ident = "NCR Corporation", |
12165 | .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), |
12649 | .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), |
12166 | DMI_MATCH(DMI_PRODUCT_NAME, ""), |
12650 | DMI_MATCH(DMI_PRODUCT_NAME, ""), |
12167 | }, |
12651 | }, |
12168 | }, |
12652 | }, |
12169 | { } /* terminating entry */ |
12653 | { } /* terminating entry */ |
12170 | }, |
12654 | }, |
12171 | .hook = quirk_invert_brightness, |
12655 | .hook = quirk_invert_brightness, |
12172 | }, |
12656 | }, |
12173 | }; |
12657 | }; |
12174 | 12658 | ||
12175 | static struct intel_quirk intel_quirks[] = { |
12659 | static struct intel_quirk intel_quirks[] = { |
12176 | /* HP Mini needs pipe A force quirk (LP: #322104) */ |
12660 | /* HP Mini needs pipe A force quirk (LP: #322104) */ |
12177 | { 0x27ae, 0x103c, 0x361a, quirk_pipea_force }, |
12661 | { 0x27ae, 0x103c, 0x361a, quirk_pipea_force }, |
12178 | 12662 | ||
12179 | /* Toshiba Protege R-205, S-209 needs pipe A force quirk */ |
12663 | /* Toshiba Protege R-205, S-209 needs pipe A force quirk */ |
12180 | { 0x2592, 0x1179, 0x0001, quirk_pipea_force }, |
12664 | { 0x2592, 0x1179, 0x0001, quirk_pipea_force }, |
12181 | 12665 | ||
12182 | /* ThinkPad T60 needs pipe A force quirk (bug #16494) */ |
12666 | /* ThinkPad T60 needs pipe A force quirk (bug #16494) */ |
12183 | { 0x2782, 0x17aa, 0x201a, quirk_pipea_force }, |
12667 | { 0x2782, 0x17aa, 0x201a, quirk_pipea_force }, |
12184 | 12668 | ||
12185 | /* Lenovo U160 cannot use SSC on LVDS */ |
12669 | /* Lenovo U160 cannot use SSC on LVDS */ |
12186 | { 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable }, |
12670 | { 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable }, |
12187 | 12671 | ||
12188 | /* Sony Vaio Y cannot use SSC on LVDS */ |
12672 | /* Sony Vaio Y cannot use SSC on LVDS */ |
12189 | { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable }, |
12673 | { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable }, |
12190 | 12674 | ||
12191 | /* Acer Aspire 5734Z must invert backlight brightness */ |
12675 | /* Acer Aspire 5734Z must invert backlight brightness */ |
12192 | { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness }, |
12676 | { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness }, |
12193 | 12677 | ||
12194 | /* Acer/eMachines G725 */ |
12678 | /* Acer/eMachines G725 */ |
12195 | { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness }, |
12679 | { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness }, |
12196 | 12680 | ||
12197 | /* Acer/eMachines e725 */ |
12681 | /* Acer/eMachines e725 */ |
12198 | { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness }, |
12682 | { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness }, |
12199 | 12683 | ||
12200 | /* Acer/Packard Bell NCL20 */ |
12684 | /* Acer/Packard Bell NCL20 */ |
12201 | { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness }, |
12685 | { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness }, |
12202 | 12686 | ||
12203 | /* Acer Aspire 4736Z */ |
12687 | /* Acer Aspire 4736Z */ |
12204 | { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness }, |
12688 | { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness }, |
12205 | 12689 | ||
12206 | /* Acer Aspire 5336 */ |
12690 | /* Acer Aspire 5336 */ |
12207 | { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness }, |
12691 | { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness }, |
12208 | 12692 | ||
12209 | /* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */ |
12693 | /* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */ |
12210 | { 0x0a06, 0x1025, 0x0a11, quirk_backlight_present }, |
12694 | { 0x0a06, 0x1025, 0x0a11, quirk_backlight_present }, |
12211 | 12695 | ||
12212 | /* Acer C720 Chromebook (Core i3 4005U) */ |
12696 | /* Acer C720 Chromebook (Core i3 4005U) */ |
12213 | { 0x0a16, 0x1025, 0x0a11, quirk_backlight_present }, |
12697 | { 0x0a16, 0x1025, 0x0a11, quirk_backlight_present }, |
- | 12698 | ||
- | 12699 | /* Apple Macbook 2,1 (Core 2 T7400) */ |
|
- | 12700 | { 0x27a2, 0x8086, 0x7270, quirk_backlight_present }, |
|
12214 | 12701 | ||
12215 | /* Toshiba CB35 Chromebook (Celeron 2955U) */ |
12702 | /* Toshiba CB35 Chromebook (Celeron 2955U) */ |
12216 | { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present }, |
12703 | { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present }, |
12217 | 12704 | ||
12218 | /* HP Chromebook 14 (Celeron 2955U) */ |
12705 | /* HP Chromebook 14 (Celeron 2955U) */ |
12219 | { 0x0a06, 0x103c, 0x21ed, quirk_backlight_present }, |
12706 | { 0x0a06, 0x103c, 0x21ed, quirk_backlight_present }, |
12220 | }; |
12707 | }; |
12221 | 12708 | ||
12222 | static void intel_init_quirks(struct drm_device *dev) |
12709 | static void intel_init_quirks(struct drm_device *dev) |
12223 | { |
12710 | { |
12224 | struct pci_dev *d = dev->pdev; |
12711 | struct pci_dev *d = dev->pdev; |
12225 | int i; |
12712 | int i; |
12226 | 12713 | ||
12227 | for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) { |
12714 | for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) { |
12228 | struct intel_quirk *q = &intel_quirks[i]; |
12715 | struct intel_quirk *q = &intel_quirks[i]; |
12229 | 12716 | ||
12230 | if (d->device == q->device && |
12717 | if (d->device == q->device && |
12231 | (d->subsystem_vendor == q->subsystem_vendor || |
12718 | (d->subsystem_vendor == q->subsystem_vendor || |
12232 | q->subsystem_vendor == PCI_ANY_ID) && |
12719 | q->subsystem_vendor == PCI_ANY_ID) && |
12233 | (d->subsystem_device == q->subsystem_device || |
12720 | (d->subsystem_device == q->subsystem_device || |
12234 | q->subsystem_device == PCI_ANY_ID)) |
12721 | q->subsystem_device == PCI_ANY_ID)) |
12235 | q->hook(dev); |
12722 | q->hook(dev); |
12236 | } |
12723 | } |
12237 | for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) { |
12724 | for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) { |
12238 | if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0) |
12725 | if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0) |
12239 | intel_dmi_quirks[i].hook(dev); |
12726 | intel_dmi_quirks[i].hook(dev); |
12240 | } |
12727 | } |
12241 | } |
12728 | } |
12242 | 12729 | ||
12243 | /* Disable the VGA plane that we never use */ |
12730 | /* Disable the VGA plane that we never use */ |
12244 | static void i915_disable_vga(struct drm_device *dev) |
12731 | static void i915_disable_vga(struct drm_device *dev) |
12245 | { |
12732 | { |
12246 | struct drm_i915_private *dev_priv = dev->dev_private; |
12733 | struct drm_i915_private *dev_priv = dev->dev_private; |
12247 | u8 sr1; |
12734 | u8 sr1; |
12248 | u32 vga_reg = i915_vgacntrl_reg(dev); |
12735 | u32 vga_reg = i915_vgacntrl_reg(dev); |
12249 | 12736 | ||
12250 | // vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); |
12737 | // vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); |
12251 | outb(SR01, VGA_SR_INDEX); |
12738 | outb(SR01, VGA_SR_INDEX); |
12252 | sr1 = inb(VGA_SR_DATA); |
12739 | sr1 = inb(VGA_SR_DATA); |
12253 | outb(sr1 | 1<<5, VGA_SR_DATA); |
12740 | outb(sr1 | 1<<5, VGA_SR_DATA); |
12254 | // vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); |
12741 | // vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); |
12255 | udelay(300); |
12742 | udelay(300); |
- | 12743 | ||
- | 12744 | /* |
|
- | 12745 | * Fujitsu-Siemens Lifebook S6010 (830) has problems resuming |
|
- | 12746 | * from S3 without preserving (some of?) the other bits. |
|
12256 | 12747 | */ |
|
12257 | I915_WRITE(vga_reg, VGA_DISP_DISABLE); |
12748 | I915_WRITE(vga_reg, dev_priv->bios_vgacntr | VGA_DISP_DISABLE); |
12258 | POSTING_READ(vga_reg); |
12749 | POSTING_READ(vga_reg); |
12259 | } |
12750 | } |
12260 | 12751 | ||
12261 | void intel_modeset_init_hw(struct drm_device *dev) |
12752 | void intel_modeset_init_hw(struct drm_device *dev) |
12262 | { |
12753 | { |
12263 | intel_prepare_ddi(dev); |
12754 | intel_prepare_ddi(dev); |
12264 | 12755 | ||
12265 | if (IS_VALLEYVIEW(dev)) |
12756 | if (IS_VALLEYVIEW(dev)) |
12266 | vlv_update_cdclk(dev); |
12757 | vlv_update_cdclk(dev); |
12267 | 12758 | ||
12268 | intel_init_clock_gating(dev); |
12759 | intel_init_clock_gating(dev); |
12269 | - | ||
12270 | intel_reset_dpio(dev); |
- | |
12271 | 12760 | ||
12272 | intel_enable_gt_powersave(dev); |
12761 | intel_enable_gt_powersave(dev); |
12273 | } |
12762 | } |
12274 | - | ||
12275 | void intel_modeset_suspend_hw(struct drm_device *dev) |
- | |
12276 | { |
- | |
12277 | intel_suspend_hw(dev); |
- | |
12278 | } |
- | |
12279 | 12763 | ||
12280 | void intel_modeset_init(struct drm_device *dev) |
12764 | void intel_modeset_init(struct drm_device *dev) |
12281 | { |
12765 | { |
12282 | struct drm_i915_private *dev_priv = dev->dev_private; |
12766 | struct drm_i915_private *dev_priv = dev->dev_private; |
12283 | int sprite, ret; |
12767 | int sprite, ret; |
12284 | enum pipe pipe; |
12768 | enum pipe pipe; |
12285 | struct intel_crtc *crtc; |
12769 | struct intel_crtc *crtc; |
12286 | 12770 | ||
12287 | drm_mode_config_init(dev); |
12771 | drm_mode_config_init(dev); |
12288 | 12772 | ||
12289 | dev->mode_config.min_width = 0; |
12773 | dev->mode_config.min_width = 0; |
12290 | dev->mode_config.min_height = 0; |
12774 | dev->mode_config.min_height = 0; |
12291 | 12775 | ||
12292 | dev->mode_config.preferred_depth = 24; |
12776 | dev->mode_config.preferred_depth = 24; |
12293 | dev->mode_config.prefer_shadow = 1; |
12777 | dev->mode_config.prefer_shadow = 1; |
12294 | 12778 | ||
12295 | dev->mode_config.funcs = &intel_mode_funcs; |
12779 | dev->mode_config.funcs = &intel_mode_funcs; |
12296 | 12780 | ||
12297 | intel_init_quirks(dev); |
12781 | intel_init_quirks(dev); |
12298 | 12782 | ||
12299 | intel_init_pm(dev); |
12783 | intel_init_pm(dev); |
12300 | 12784 | ||
12301 | if (INTEL_INFO(dev)->num_pipes == 0) |
12785 | if (INTEL_INFO(dev)->num_pipes == 0) |
12302 | return; |
12786 | return; |
12303 | 12787 | ||
12304 | intel_init_display(dev); |
12788 | intel_init_display(dev); |
12305 | 12789 | ||
12306 | if (IS_GEN2(dev)) { |
12790 | if (IS_GEN2(dev)) { |
12307 | dev->mode_config.max_width = 2048; |
12791 | dev->mode_config.max_width = 2048; |
12308 | dev->mode_config.max_height = 2048; |
12792 | dev->mode_config.max_height = 2048; |
12309 | } else if (IS_GEN3(dev)) { |
12793 | } else if (IS_GEN3(dev)) { |
12310 | dev->mode_config.max_width = 4096; |
12794 | dev->mode_config.max_width = 4096; |
12311 | dev->mode_config.max_height = 4096; |
12795 | dev->mode_config.max_height = 4096; |
12312 | } else { |
12796 | } else { |
12313 | dev->mode_config.max_width = 8192; |
12797 | dev->mode_config.max_width = 8192; |
12314 | dev->mode_config.max_height = 8192; |
12798 | dev->mode_config.max_height = 8192; |
12315 | } |
12799 | } |
12316 | 12800 | ||
12317 | if (IS_GEN2(dev)) { |
12801 | if (IS_GEN2(dev)) { |
12318 | dev->mode_config.cursor_width = GEN2_CURSOR_WIDTH; |
12802 | dev->mode_config.cursor_width = GEN2_CURSOR_WIDTH; |
12319 | dev->mode_config.cursor_height = GEN2_CURSOR_HEIGHT; |
12803 | dev->mode_config.cursor_height = GEN2_CURSOR_HEIGHT; |
12320 | } else { |
12804 | } else { |
12321 | dev->mode_config.cursor_width = MAX_CURSOR_WIDTH; |
12805 | dev->mode_config.cursor_width = MAX_CURSOR_WIDTH; |
12322 | dev->mode_config.cursor_height = MAX_CURSOR_HEIGHT; |
12806 | dev->mode_config.cursor_height = MAX_CURSOR_HEIGHT; |
12323 | } |
12807 | } |
12324 | 12808 | ||
12325 | dev->mode_config.fb_base = dev_priv->gtt.mappable_base; |
12809 | dev->mode_config.fb_base = dev_priv->gtt.mappable_base; |
12326 | 12810 | ||
12327 | DRM_DEBUG_KMS("%d display pipe%s available.\n", |
12811 | DRM_DEBUG_KMS("%d display pipe%s available.\n", |
12328 | INTEL_INFO(dev)->num_pipes, |
12812 | INTEL_INFO(dev)->num_pipes, |
12329 | INTEL_INFO(dev)->num_pipes > 1 ? "s" : ""); |
12813 | INTEL_INFO(dev)->num_pipes > 1 ? "s" : ""); |
12330 | 12814 | ||
12331 | for_each_pipe(pipe) { |
12815 | for_each_pipe(dev_priv, pipe) { |
12332 | intel_crtc_init(dev, pipe); |
12816 | intel_crtc_init(dev, pipe); |
12333 | for_each_sprite(pipe, sprite) { |
12817 | for_each_sprite(pipe, sprite) { |
12334 | ret = intel_plane_init(dev, pipe, sprite); |
12818 | ret = intel_plane_init(dev, pipe, sprite); |
12335 | if (ret) |
12819 | if (ret) |
12336 | DRM_DEBUG_KMS("pipe %c sprite %c init failed: %d\n", |
12820 | DRM_DEBUG_KMS("pipe %c sprite %c init failed: %d\n", |
12337 | pipe_name(pipe), sprite_name(pipe, sprite), ret); |
12821 | pipe_name(pipe), sprite_name(pipe, sprite), ret); |
12338 | } |
12822 | } |
12339 | } |
12823 | } |
12340 | 12824 | ||
12341 | intel_init_dpio(dev); |
12825 | intel_init_dpio(dev); |
12342 | intel_reset_dpio(dev); |
- | |
12343 | 12826 | ||
12344 | intel_shared_dpll_init(dev); |
12827 | intel_shared_dpll_init(dev); |
- | 12828 | ||
- | 12829 | /* save the BIOS value before clobbering it */ |
|
12345 | 12830 | dev_priv->bios_vgacntr = I915_READ(i915_vgacntrl_reg(dev)); |
|
12346 | /* Just disable it once at startup */ |
12831 | /* Just disable it once at startup */ |
12347 | i915_disable_vga(dev); |
12832 | i915_disable_vga(dev); |
12348 | intel_setup_outputs(dev); |
12833 | intel_setup_outputs(dev); |
12349 | 12834 | ||
12350 | /* Just in case the BIOS is doing something questionable. */ |
12835 | /* Just in case the BIOS is doing something questionable. */ |
12351 | intel_disable_fbc(dev); |
12836 | intel_disable_fbc(dev); |
12352 | 12837 | ||
12353 | drm_modeset_lock_all(dev); |
12838 | drm_modeset_lock_all(dev); |
12354 | intel_modeset_setup_hw_state(dev, false); |
12839 | intel_modeset_setup_hw_state(dev, false); |
12355 | drm_modeset_unlock_all(dev); |
12840 | drm_modeset_unlock_all(dev); |
12356 | 12841 | ||
12357 | for_each_intel_crtc(dev, crtc) { |
12842 | for_each_intel_crtc(dev, crtc) { |
12358 | if (!crtc->active) |
12843 | if (!crtc->active) |
12359 | continue; |
12844 | continue; |
12360 | 12845 | ||
12361 | /* |
12846 | /* |
12362 | * Note that reserving the BIOS fb up front prevents us |
12847 | * Note that reserving the BIOS fb up front prevents us |
12363 | * from stuffing other stolen allocations like the ring |
12848 | * from stuffing other stolen allocations like the ring |
12364 | * on top. This prevents some ugliness at boot time, and |
12849 | * on top. This prevents some ugliness at boot time, and |
12365 | * can even allow for smooth boot transitions if the BIOS |
12850 | * can even allow for smooth boot transitions if the BIOS |
12366 | * fb is large enough for the active pipe configuration. |
12851 | * fb is large enough for the active pipe configuration. |
12367 | */ |
12852 | */ |
12368 | if (dev_priv->display.get_plane_config) { |
12853 | if (dev_priv->display.get_plane_config) { |
12369 | dev_priv->display.get_plane_config(crtc, |
12854 | dev_priv->display.get_plane_config(crtc, |
12370 | &crtc->plane_config); |
12855 | &crtc->plane_config); |
12371 | /* |
12856 | /* |
12372 | * If the fb is shared between multiple heads, we'll |
12857 | * If the fb is shared between multiple heads, we'll |
12373 | * just get the first one. |
12858 | * just get the first one. |
12374 | */ |
12859 | */ |
12375 | intel_find_plane_obj(crtc, &crtc->plane_config); |
12860 | intel_find_plane_obj(crtc, &crtc->plane_config); |
12376 | } |
12861 | } |
12377 | } |
12862 | } |
12378 | } |
12863 | } |
12379 | 12864 | ||
12380 | static void intel_enable_pipe_a(struct drm_device *dev) |
12865 | static void intel_enable_pipe_a(struct drm_device *dev) |
12381 | { |
12866 | { |
12382 | struct intel_connector *connector; |
12867 | struct intel_connector *connector; |
12383 | struct drm_connector *crt = NULL; |
12868 | struct drm_connector *crt = NULL; |
12384 | struct intel_load_detect_pipe load_detect_temp; |
12869 | struct intel_load_detect_pipe load_detect_temp; |
12385 | struct drm_modeset_acquire_ctx *ctx = dev->mode_config.acquire_ctx; |
12870 | struct drm_modeset_acquire_ctx *ctx = dev->mode_config.acquire_ctx; |
12386 | 12871 | ||
12387 | /* We can't just switch on the pipe A, we need to set things up with a |
12872 | /* We can't just switch on the pipe A, we need to set things up with a |
12388 | * proper mode and output configuration. As a gross hack, enable pipe A |
12873 | * proper mode and output configuration. As a gross hack, enable pipe A |
12389 | * by enabling the load detect pipe once. */ |
12874 | * by enabling the load detect pipe once. */ |
12390 | list_for_each_entry(connector, |
12875 | list_for_each_entry(connector, |
12391 | &dev->mode_config.connector_list, |
12876 | &dev->mode_config.connector_list, |
12392 | base.head) { |
12877 | base.head) { |
12393 | if (connector->encoder->type == INTEL_OUTPUT_ANALOG) { |
12878 | if (connector->encoder->type == INTEL_OUTPUT_ANALOG) { |
12394 | crt = &connector->base; |
12879 | crt = &connector->base; |
12395 | break; |
12880 | break; |
12396 | } |
12881 | } |
12397 | } |
12882 | } |
12398 | 12883 | ||
12399 | if (!crt) |
12884 | if (!crt) |
12400 | return; |
12885 | return; |
12401 | 12886 | ||
12402 | if (intel_get_load_detect_pipe(crt, NULL, &load_detect_temp, ctx)) |
12887 | if (intel_get_load_detect_pipe(crt, NULL, &load_detect_temp, ctx)) |
12403 | intel_release_load_detect_pipe(crt, &load_detect_temp); |
12888 | intel_release_load_detect_pipe(crt, &load_detect_temp); |
12404 | } |
12889 | } |
12405 | 12890 | ||
12406 | static bool |
12891 | static bool |
12407 | intel_check_plane_mapping(struct intel_crtc *crtc) |
12892 | intel_check_plane_mapping(struct intel_crtc *crtc) |
12408 | { |
12893 | { |
12409 | struct drm_device *dev = crtc->base.dev; |
12894 | struct drm_device *dev = crtc->base.dev; |
12410 | struct drm_i915_private *dev_priv = dev->dev_private; |
12895 | struct drm_i915_private *dev_priv = dev->dev_private; |
12411 | u32 reg, val; |
12896 | u32 reg, val; |
12412 | 12897 | ||
12413 | if (INTEL_INFO(dev)->num_pipes == 1) |
12898 | if (INTEL_INFO(dev)->num_pipes == 1) |
12414 | return true; |
12899 | return true; |
12415 | 12900 | ||
12416 | reg = DSPCNTR(!crtc->plane); |
12901 | reg = DSPCNTR(!crtc->plane); |
12417 | val = I915_READ(reg); |
12902 | val = I915_READ(reg); |
12418 | 12903 | ||
12419 | if ((val & DISPLAY_PLANE_ENABLE) && |
12904 | if ((val & DISPLAY_PLANE_ENABLE) && |
12420 | (!!(val & DISPPLANE_SEL_PIPE_MASK) == crtc->pipe)) |
12905 | (!!(val & DISPPLANE_SEL_PIPE_MASK) == crtc->pipe)) |
12421 | return false; |
12906 | return false; |
12422 | 12907 | ||
12423 | return true; |
12908 | return true; |
12424 | } |
12909 | } |
12425 | 12910 | ||
12426 | static void intel_sanitize_crtc(struct intel_crtc *crtc) |
12911 | static void intel_sanitize_crtc(struct intel_crtc *crtc) |
12427 | { |
12912 | { |
12428 | struct drm_device *dev = crtc->base.dev; |
12913 | struct drm_device *dev = crtc->base.dev; |
12429 | struct drm_i915_private *dev_priv = dev->dev_private; |
12914 | struct drm_i915_private *dev_priv = dev->dev_private; |
12430 | u32 reg; |
12915 | u32 reg; |
12431 | 12916 | ||
12432 | /* Clear any frame start delays used for debugging left by the BIOS */ |
12917 | /* Clear any frame start delays used for debugging left by the BIOS */ |
12433 | reg = PIPECONF(crtc->config.cpu_transcoder); |
12918 | reg = PIPECONF(crtc->config.cpu_transcoder); |
12434 | I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK); |
12919 | I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK); |
12435 | 12920 | ||
12436 | /* restore vblank interrupts to correct state */ |
12921 | /* restore vblank interrupts to correct state */ |
12437 | if (crtc->active) |
12922 | if (crtc->active) { |
- | 12923 | update_scanline_offset(crtc); |
|
12438 | drm_vblank_on(dev, crtc->pipe); |
12924 | drm_vblank_on(dev, crtc->pipe); |
12439 | else |
12925 | } else |
12440 | drm_vblank_off(dev, crtc->pipe); |
12926 | drm_vblank_off(dev, crtc->pipe); |
12441 | 12927 | ||
12442 | /* We need to sanitize the plane -> pipe mapping first because this will |
12928 | /* We need to sanitize the plane -> pipe mapping first because this will |
12443 | * disable the crtc (and hence change the state) if it is wrong. Note |
12929 | * disable the crtc (and hence change the state) if it is wrong. Note |
12444 | * that gen4+ has a fixed plane -> pipe mapping. */ |
12930 | * that gen4+ has a fixed plane -> pipe mapping. */ |
12445 | if (INTEL_INFO(dev)->gen < 4 && !intel_check_plane_mapping(crtc)) { |
12931 | if (INTEL_INFO(dev)->gen < 4 && !intel_check_plane_mapping(crtc)) { |
12446 | struct intel_connector *connector; |
12932 | struct intel_connector *connector; |
12447 | bool plane; |
12933 | bool plane; |
12448 | 12934 | ||
12449 | DRM_DEBUG_KMS("[CRTC:%d] wrong plane connection detected!\n", |
12935 | DRM_DEBUG_KMS("[CRTC:%d] wrong plane connection detected!\n", |
12450 | crtc->base.base.id); |
12936 | crtc->base.base.id); |
12451 | 12937 | ||
12452 | /* Pipe has the wrong plane attached and the plane is active. |
12938 | /* Pipe has the wrong plane attached and the plane is active. |
12453 | * Temporarily change the plane mapping and disable everything |
12939 | * Temporarily change the plane mapping and disable everything |
12454 | * ... */ |
12940 | * ... */ |
12455 | plane = crtc->plane; |
12941 | plane = crtc->plane; |
12456 | crtc->plane = !plane; |
12942 | crtc->plane = !plane; |
12457 | crtc->primary_enabled = true; |
12943 | crtc->primary_enabled = true; |
12458 | dev_priv->display.crtc_disable(&crtc->base); |
12944 | dev_priv->display.crtc_disable(&crtc->base); |
12459 | crtc->plane = plane; |
12945 | crtc->plane = plane; |
12460 | 12946 | ||
12461 | /* ... and break all links. */ |
12947 | /* ... and break all links. */ |
12462 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
12948 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
12463 | base.head) { |
12949 | base.head) { |
12464 | if (connector->encoder->base.crtc != &crtc->base) |
12950 | if (connector->encoder->base.crtc != &crtc->base) |
12465 | continue; |
12951 | continue; |
12466 | 12952 | ||
12467 | connector->base.dpms = DRM_MODE_DPMS_OFF; |
12953 | connector->base.dpms = DRM_MODE_DPMS_OFF; |
12468 | connector->base.encoder = NULL; |
12954 | connector->base.encoder = NULL; |
12469 | } |
12955 | } |
12470 | /* multiple connectors may have the same encoder: |
12956 | /* multiple connectors may have the same encoder: |
12471 | * handle them and break crtc link separately */ |
12957 | * handle them and break crtc link separately */ |
12472 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
12958 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
12473 | base.head) |
12959 | base.head) |
12474 | if (connector->encoder->base.crtc == &crtc->base) { |
12960 | if (connector->encoder->base.crtc == &crtc->base) { |
12475 | connector->encoder->base.crtc = NULL; |
12961 | connector->encoder->base.crtc = NULL; |
12476 | connector->encoder->connectors_active = false; |
12962 | connector->encoder->connectors_active = false; |
12477 | } |
12963 | } |
12478 | 12964 | ||
12479 | WARN_ON(crtc->active); |
12965 | WARN_ON(crtc->active); |
12480 | crtc->base.enabled = false; |
12966 | crtc->base.enabled = false; |
12481 | } |
12967 | } |
12482 | 12968 | ||
12483 | if (dev_priv->quirks & QUIRK_PIPEA_FORCE && |
12969 | if (dev_priv->quirks & QUIRK_PIPEA_FORCE && |
12484 | crtc->pipe == PIPE_A && !crtc->active) { |
12970 | crtc->pipe == PIPE_A && !crtc->active) { |
12485 | /* BIOS forgot to enable pipe A, this mostly happens after |
12971 | /* BIOS forgot to enable pipe A, this mostly happens after |
12486 | * resume. Force-enable the pipe to fix this, the update_dpms |
12972 | * resume. Force-enable the pipe to fix this, the update_dpms |
12487 | * call below we restore the pipe to the right state, but leave |
12973 | * call below we restore the pipe to the right state, but leave |
12488 | * the required bits on. */ |
12974 | * the required bits on. */ |
12489 | intel_enable_pipe_a(dev); |
12975 | intel_enable_pipe_a(dev); |
12490 | } |
12976 | } |
12491 | 12977 | ||
12492 | /* Adjust the state of the output pipe according to whether we |
12978 | /* Adjust the state of the output pipe according to whether we |
12493 | * have active connectors/encoders. */ |
12979 | * have active connectors/encoders. */ |
12494 | intel_crtc_update_dpms(&crtc->base); |
12980 | intel_crtc_update_dpms(&crtc->base); |
12495 | 12981 | ||
12496 | if (crtc->active != crtc->base.enabled) { |
12982 | if (crtc->active != crtc->base.enabled) { |
12497 | struct intel_encoder *encoder; |
12983 | struct intel_encoder *encoder; |
12498 | 12984 | ||
12499 | /* This can happen either due to bugs in the get_hw_state |
12985 | /* This can happen either due to bugs in the get_hw_state |
12500 | * functions or because the pipe is force-enabled due to the |
12986 | * functions or because the pipe is force-enabled due to the |
12501 | * pipe A quirk. */ |
12987 | * pipe A quirk. */ |
12502 | DRM_DEBUG_KMS("[CRTC:%d] hw state adjusted, was %s, now %s\n", |
12988 | DRM_DEBUG_KMS("[CRTC:%d] hw state adjusted, was %s, now %s\n", |
12503 | crtc->base.base.id, |
12989 | crtc->base.base.id, |
12504 | crtc->base.enabled ? "enabled" : "disabled", |
12990 | crtc->base.enabled ? "enabled" : "disabled", |
12505 | crtc->active ? "enabled" : "disabled"); |
12991 | crtc->active ? "enabled" : "disabled"); |
12506 | 12992 | ||
12507 | crtc->base.enabled = crtc->active; |
12993 | crtc->base.enabled = crtc->active; |
12508 | 12994 | ||
12509 | /* Because we only establish the connector -> encoder -> |
12995 | /* Because we only establish the connector -> encoder -> |
12510 | * crtc links if something is active, this means the |
12996 | * crtc links if something is active, this means the |
12511 | * crtc is now deactivated. Break the links. connector |
12997 | * crtc is now deactivated. Break the links. connector |
12512 | * -> encoder links are only establish when things are |
12998 | * -> encoder links are only establish when things are |
12513 | * actually up, hence no need to break them. */ |
12999 | * actually up, hence no need to break them. */ |
12514 | WARN_ON(crtc->active); |
13000 | WARN_ON(crtc->active); |
12515 | 13001 | ||
12516 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) { |
13002 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) { |
12517 | WARN_ON(encoder->connectors_active); |
13003 | WARN_ON(encoder->connectors_active); |
12518 | encoder->base.crtc = NULL; |
13004 | encoder->base.crtc = NULL; |
12519 | } |
13005 | } |
12520 | } |
13006 | } |
12521 | 13007 | ||
12522 | if (crtc->active || IS_VALLEYVIEW(dev) || INTEL_INFO(dev)->gen < 5) { |
13008 | if (crtc->active || HAS_GMCH_DISPLAY(dev)) { |
12523 | /* |
13009 | /* |
12524 | * We start out with underrun reporting disabled to avoid races. |
13010 | * We start out with underrun reporting disabled to avoid races. |
12525 | * For correct bookkeeping mark this on active crtcs. |
13011 | * For correct bookkeeping mark this on active crtcs. |
12526 | * |
13012 | * |
12527 | * Also on gmch platforms we dont have any hardware bits to |
13013 | * Also on gmch platforms we dont have any hardware bits to |
12528 | * disable the underrun reporting. Which means we need to start |
13014 | * disable the underrun reporting. Which means we need to start |
12529 | * out with underrun reporting disabled also on inactive pipes, |
13015 | * out with underrun reporting disabled also on inactive pipes, |
12530 | * since otherwise we'll complain about the garbage we read when |
13016 | * since otherwise we'll complain about the garbage we read when |
12531 | * e.g. coming up after runtime pm. |
13017 | * e.g. coming up after runtime pm. |
12532 | * |
13018 | * |
12533 | * No protection against concurrent access is required - at |
13019 | * No protection against concurrent access is required - at |
12534 | * worst a fifo underrun happens which also sets this to false. |
13020 | * worst a fifo underrun happens which also sets this to false. |
12535 | */ |
13021 | */ |
12536 | crtc->cpu_fifo_underrun_disabled = true; |
13022 | crtc->cpu_fifo_underrun_disabled = true; |
12537 | crtc->pch_fifo_underrun_disabled = true; |
13023 | crtc->pch_fifo_underrun_disabled = true; |
12538 | - | ||
12539 | update_scanline_offset(crtc); |
- | |
12540 | } |
13024 | } |
12541 | } |
13025 | } |
12542 | 13026 | ||
12543 | static void intel_sanitize_encoder(struct intel_encoder *encoder) |
13027 | static void intel_sanitize_encoder(struct intel_encoder *encoder) |
12544 | { |
13028 | { |
12545 | struct intel_connector *connector; |
13029 | struct intel_connector *connector; |
12546 | struct drm_device *dev = encoder->base.dev; |
13030 | struct drm_device *dev = encoder->base.dev; |
12547 | 13031 | ||
12548 | /* We need to check both for a crtc link (meaning that the |
13032 | /* We need to check both for a crtc link (meaning that the |
12549 | * encoder is active and trying to read from a pipe) and the |
13033 | * encoder is active and trying to read from a pipe) and the |
12550 | * pipe itself being active. */ |
13034 | * pipe itself being active. */ |
12551 | bool has_active_crtc = encoder->base.crtc && |
13035 | bool has_active_crtc = encoder->base.crtc && |
12552 | to_intel_crtc(encoder->base.crtc)->active; |
13036 | to_intel_crtc(encoder->base.crtc)->active; |
12553 | 13037 | ||
12554 | if (encoder->connectors_active && !has_active_crtc) { |
13038 | if (encoder->connectors_active && !has_active_crtc) { |
12555 | DRM_DEBUG_KMS("[ENCODER:%d:%s] has active connectors but no active pipe!\n", |
13039 | DRM_DEBUG_KMS("[ENCODER:%d:%s] has active connectors but no active pipe!\n", |
12556 | encoder->base.base.id, |
13040 | encoder->base.base.id, |
12557 | encoder->base.name); |
13041 | encoder->base.name); |
12558 | 13042 | ||
12559 | /* Connector is active, but has no active pipe. This is |
13043 | /* Connector is active, but has no active pipe. This is |
12560 | * fallout from our resume register restoring. Disable |
13044 | * fallout from our resume register restoring. Disable |
12561 | * the encoder manually again. */ |
13045 | * the encoder manually again. */ |
12562 | if (encoder->base.crtc) { |
13046 | if (encoder->base.crtc) { |
12563 | DRM_DEBUG_KMS("[ENCODER:%d:%s] manually disabled\n", |
13047 | DRM_DEBUG_KMS("[ENCODER:%d:%s] manually disabled\n", |
12564 | encoder->base.base.id, |
13048 | encoder->base.base.id, |
12565 | encoder->base.name); |
13049 | encoder->base.name); |
12566 | encoder->disable(encoder); |
13050 | encoder->disable(encoder); |
12567 | if (encoder->post_disable) |
13051 | if (encoder->post_disable) |
12568 | encoder->post_disable(encoder); |
13052 | encoder->post_disable(encoder); |
12569 | } |
13053 | } |
12570 | encoder->base.crtc = NULL; |
13054 | encoder->base.crtc = NULL; |
12571 | encoder->connectors_active = false; |
13055 | encoder->connectors_active = false; |
12572 | 13056 | ||
12573 | /* Inconsistent output/port/pipe state happens presumably due to |
13057 | /* Inconsistent output/port/pipe state happens presumably due to |
12574 | * a bug in one of the get_hw_state functions. Or someplace else |
13058 | * a bug in one of the get_hw_state functions. Or someplace else |
12575 | * in our code, like the register restore mess on resume. Clamp |
13059 | * in our code, like the register restore mess on resume. Clamp |
12576 | * things to off as a safer default. */ |
13060 | * things to off as a safer default. */ |
12577 | list_for_each_entry(connector, |
13061 | list_for_each_entry(connector, |
12578 | &dev->mode_config.connector_list, |
13062 | &dev->mode_config.connector_list, |
12579 | base.head) { |
13063 | base.head) { |
12580 | if (connector->encoder != encoder) |
13064 | if (connector->encoder != encoder) |
12581 | continue; |
13065 | continue; |
12582 | connector->base.dpms = DRM_MODE_DPMS_OFF; |
13066 | connector->base.dpms = DRM_MODE_DPMS_OFF; |
12583 | connector->base.encoder = NULL; |
13067 | connector->base.encoder = NULL; |
12584 | } |
13068 | } |
12585 | } |
13069 | } |
12586 | /* Enabled encoders without active connectors will be fixed in |
13070 | /* Enabled encoders without active connectors will be fixed in |
12587 | * the crtc fixup. */ |
13071 | * the crtc fixup. */ |
12588 | } |
13072 | } |
12589 | 13073 | ||
12590 | void i915_redisable_vga_power_on(struct drm_device *dev) |
13074 | void i915_redisable_vga_power_on(struct drm_device *dev) |
12591 | { |
13075 | { |
12592 | struct drm_i915_private *dev_priv = dev->dev_private; |
13076 | struct drm_i915_private *dev_priv = dev->dev_private; |
12593 | u32 vga_reg = i915_vgacntrl_reg(dev); |
13077 | u32 vga_reg = i915_vgacntrl_reg(dev); |
12594 | 13078 | ||
12595 | if (!(I915_READ(vga_reg) & VGA_DISP_DISABLE)) { |
13079 | if (!(I915_READ(vga_reg) & VGA_DISP_DISABLE)) { |
12596 | DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n"); |
13080 | DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n"); |
12597 | i915_disable_vga(dev); |
13081 | i915_disable_vga(dev); |
12598 | } |
13082 | } |
12599 | } |
13083 | } |
12600 | 13084 | ||
12601 | void i915_redisable_vga(struct drm_device *dev) |
13085 | void i915_redisable_vga(struct drm_device *dev) |
12602 | { |
13086 | { |
12603 | struct drm_i915_private *dev_priv = dev->dev_private; |
13087 | struct drm_i915_private *dev_priv = dev->dev_private; |
12604 | 13088 | ||
12605 | /* This function can be called both from intel_modeset_setup_hw_state or |
13089 | /* This function can be called both from intel_modeset_setup_hw_state or |
12606 | * at a very early point in our resume sequence, where the power well |
13090 | * at a very early point in our resume sequence, where the power well |
12607 | * structures are not yet restored. Since this function is at a very |
13091 | * structures are not yet restored. Since this function is at a very |
12608 | * paranoid "someone might have enabled VGA while we were not looking" |
13092 | * paranoid "someone might have enabled VGA while we were not looking" |
12609 | * level, just check if the power well is enabled instead of trying to |
13093 | * level, just check if the power well is enabled instead of trying to |
12610 | * follow the "don't touch the power well if we don't need it" policy |
13094 | * follow the "don't touch the power well if we don't need it" policy |
12611 | * the rest of the driver uses. */ |
13095 | * the rest of the driver uses. */ |
12612 | if (!intel_display_power_enabled(dev_priv, POWER_DOMAIN_VGA)) |
13096 | if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_VGA)) |
12613 | return; |
13097 | return; |
12614 | 13098 | ||
12615 | i915_redisable_vga_power_on(dev); |
13099 | i915_redisable_vga_power_on(dev); |
12616 | } |
13100 | } |
12617 | 13101 | ||
12618 | static bool primary_get_hw_state(struct intel_crtc *crtc) |
13102 | static bool primary_get_hw_state(struct intel_crtc *crtc) |
12619 | { |
13103 | { |
12620 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
13104 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
12621 | 13105 | ||
12622 | if (!crtc->active) |
13106 | if (!crtc->active) |
12623 | return false; |
13107 | return false; |
12624 | 13108 | ||
12625 | return I915_READ(DSPCNTR(crtc->plane)) & DISPLAY_PLANE_ENABLE; |
13109 | return I915_READ(DSPCNTR(crtc->plane)) & DISPLAY_PLANE_ENABLE; |
12626 | } |
13110 | } |
12627 | 13111 | ||
12628 | static void intel_modeset_readout_hw_state(struct drm_device *dev) |
13112 | static void intel_modeset_readout_hw_state(struct drm_device *dev) |
12629 | { |
13113 | { |
12630 | struct drm_i915_private *dev_priv = dev->dev_private; |
13114 | struct drm_i915_private *dev_priv = dev->dev_private; |
12631 | enum pipe pipe; |
13115 | enum pipe pipe; |
12632 | struct intel_crtc *crtc; |
13116 | struct intel_crtc *crtc; |
12633 | struct intel_encoder *encoder; |
13117 | struct intel_encoder *encoder; |
12634 | struct intel_connector *connector; |
13118 | struct intel_connector *connector; |
12635 | int i; |
13119 | int i; |
12636 | 13120 | ||
12637 | for_each_intel_crtc(dev, crtc) { |
13121 | for_each_intel_crtc(dev, crtc) { |
12638 | memset(&crtc->config, 0, sizeof(crtc->config)); |
13122 | memset(&crtc->config, 0, sizeof(crtc->config)); |
12639 | 13123 | ||
12640 | crtc->config.quirks |= PIPE_CONFIG_QUIRK_INHERITED_MODE; |
13124 | crtc->config.quirks |= PIPE_CONFIG_QUIRK_INHERITED_MODE; |
12641 | 13125 | ||
12642 | crtc->active = dev_priv->display.get_pipe_config(crtc, |
13126 | crtc->active = dev_priv->display.get_pipe_config(crtc, |
12643 | &crtc->config); |
13127 | &crtc->config); |
12644 | 13128 | ||
12645 | crtc->base.enabled = crtc->active; |
13129 | crtc->base.enabled = crtc->active; |
12646 | crtc->primary_enabled = primary_get_hw_state(crtc); |
13130 | crtc->primary_enabled = primary_get_hw_state(crtc); |
12647 | 13131 | ||
12648 | DRM_DEBUG_KMS("[CRTC:%d] hw state readout: %s\n", |
13132 | DRM_DEBUG_KMS("[CRTC:%d] hw state readout: %s\n", |
12649 | crtc->base.base.id, |
13133 | crtc->base.base.id, |
12650 | crtc->active ? "enabled" : "disabled"); |
13134 | crtc->active ? "enabled" : "disabled"); |
12651 | } |
13135 | } |
12652 | 13136 | ||
12653 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
13137 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
12654 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; |
13138 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; |
12655 | 13139 | ||
- | 13140 | pll->on = pll->get_hw_state(dev_priv, pll, |
|
12656 | pll->on = pll->get_hw_state(dev_priv, pll, &pll->hw_state); |
13141 | &pll->config.hw_state); |
- | 13142 | pll->active = 0; |
|
12657 | pll->active = 0; |
13143 | pll->config.crtc_mask = 0; |
12658 | for_each_intel_crtc(dev, crtc) { |
13144 | for_each_intel_crtc(dev, crtc) { |
12659 | if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll) |
13145 | if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll) { |
- | 13146 | pll->active++; |
|
- | 13147 | pll->config.crtc_mask |= 1 << crtc->pipe; |
|
12660 | pll->active++; |
13148 | } |
12661 | } |
- | |
12662 | pll->refcount = pll->active; |
13149 | } |
12663 | 13150 | ||
12664 | DRM_DEBUG_KMS("%s hw state readout: refcount %i, on %i\n", |
13151 | DRM_DEBUG_KMS("%s hw state readout: crtc_mask 0x%08x, on %i\n", |
12665 | pll->name, pll->refcount, pll->on); |
13152 | pll->name, pll->config.crtc_mask, pll->on); |
12666 | 13153 | ||
12667 | if (pll->refcount) |
13154 | if (pll->config.crtc_mask) |
12668 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); |
13155 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); |
12669 | } |
13156 | } |
12670 | 13157 | ||
12671 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
- | |
12672 | base.head) { |
13158 | for_each_intel_encoder(dev, encoder) { |
12673 | pipe = 0; |
13159 | pipe = 0; |
12674 | 13160 | ||
12675 | if (encoder->get_hw_state(encoder, &pipe)) { |
13161 | if (encoder->get_hw_state(encoder, &pipe)) { |
12676 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
13162 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
12677 | encoder->base.crtc = &crtc->base; |
13163 | encoder->base.crtc = &crtc->base; |
12678 | encoder->get_config(encoder, &crtc->config); |
13164 | encoder->get_config(encoder, &crtc->config); |
12679 | } else { |
13165 | } else { |
12680 | encoder->base.crtc = NULL; |
13166 | encoder->base.crtc = NULL; |
12681 | } |
13167 | } |
12682 | 13168 | ||
12683 | encoder->connectors_active = false; |
13169 | encoder->connectors_active = false; |
12684 | DRM_DEBUG_KMS("[ENCODER:%d:%s] hw state readout: %s, pipe %c\n", |
13170 | DRM_DEBUG_KMS("[ENCODER:%d:%s] hw state readout: %s, pipe %c\n", |
12685 | encoder->base.base.id, |
13171 | encoder->base.base.id, |
12686 | encoder->base.name, |
13172 | encoder->base.name, |
12687 | encoder->base.crtc ? "enabled" : "disabled", |
13173 | encoder->base.crtc ? "enabled" : "disabled", |
12688 | pipe_name(pipe)); |
13174 | pipe_name(pipe)); |
12689 | } |
13175 | } |
12690 | 13176 | ||
12691 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
13177 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
12692 | base.head) { |
13178 | base.head) { |
12693 | if (connector->get_hw_state(connector)) { |
13179 | if (connector->get_hw_state(connector)) { |
12694 | connector->base.dpms = DRM_MODE_DPMS_ON; |
13180 | connector->base.dpms = DRM_MODE_DPMS_ON; |
12695 | connector->encoder->connectors_active = true; |
13181 | connector->encoder->connectors_active = true; |
12696 | connector->base.encoder = &connector->encoder->base; |
13182 | connector->base.encoder = &connector->encoder->base; |
12697 | } else { |
13183 | } else { |
12698 | connector->base.dpms = DRM_MODE_DPMS_OFF; |
13184 | connector->base.dpms = DRM_MODE_DPMS_OFF; |
12699 | connector->base.encoder = NULL; |
13185 | connector->base.encoder = NULL; |
12700 | } |
13186 | } |
12701 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] hw state readout: %s\n", |
13187 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] hw state readout: %s\n", |
12702 | connector->base.base.id, |
13188 | connector->base.base.id, |
12703 | connector->base.name, |
13189 | connector->base.name, |
12704 | connector->base.encoder ? "enabled" : "disabled"); |
13190 | connector->base.encoder ? "enabled" : "disabled"); |
12705 | } |
13191 | } |
12706 | } |
13192 | } |
12707 | 13193 | ||
12708 | /* Scan out the current hw modeset state, sanitizes it and maps it into the drm |
13194 | /* Scan out the current hw modeset state, sanitizes it and maps it into the drm |
12709 | * and i915 state tracking structures. */ |
13195 | * and i915 state tracking structures. */ |
12710 | void intel_modeset_setup_hw_state(struct drm_device *dev, |
13196 | void intel_modeset_setup_hw_state(struct drm_device *dev, |
12711 | bool force_restore) |
13197 | bool force_restore) |
12712 | { |
13198 | { |
12713 | struct drm_i915_private *dev_priv = dev->dev_private; |
13199 | struct drm_i915_private *dev_priv = dev->dev_private; |
12714 | enum pipe pipe; |
13200 | enum pipe pipe; |
12715 | struct intel_crtc *crtc; |
13201 | struct intel_crtc *crtc; |
12716 | struct intel_encoder *encoder; |
13202 | struct intel_encoder *encoder; |
12717 | int i; |
13203 | int i; |
12718 | 13204 | ||
12719 | intel_modeset_readout_hw_state(dev); |
13205 | intel_modeset_readout_hw_state(dev); |
12720 | 13206 | ||
12721 | /* |
13207 | /* |
12722 | * Now that we have the config, copy it to each CRTC struct |
13208 | * Now that we have the config, copy it to each CRTC struct |
12723 | * Note that this could go away if we move to using crtc_config |
13209 | * Note that this could go away if we move to using crtc_config |
12724 | * checking everywhere. |
13210 | * checking everywhere. |
12725 | */ |
13211 | */ |
12726 | for_each_intel_crtc(dev, crtc) { |
13212 | for_each_intel_crtc(dev, crtc) { |
12727 | if (crtc->active && i915.fastboot) { |
13213 | if (crtc->active && i915.fastboot) { |
12728 | intel_mode_from_pipe_config(&crtc->base.mode, &crtc->config); |
13214 | intel_mode_from_pipe_config(&crtc->base.mode, &crtc->config); |
12729 | DRM_DEBUG_KMS("[CRTC:%d] found active mode: ", |
13215 | DRM_DEBUG_KMS("[CRTC:%d] found active mode: ", |
12730 | crtc->base.base.id); |
13216 | crtc->base.base.id); |
12731 | drm_mode_debug_printmodeline(&crtc->base.mode); |
13217 | drm_mode_debug_printmodeline(&crtc->base.mode); |
12732 | } |
13218 | } |
12733 | } |
13219 | } |
12734 | 13220 | ||
12735 | /* HW state is read out, now we need to sanitize this mess. */ |
13221 | /* HW state is read out, now we need to sanitize this mess. */ |
12736 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
13222 | for_each_intel_encoder(dev, encoder) { |
12737 | base.head) { |
- | |
12738 | intel_sanitize_encoder(encoder); |
13223 | intel_sanitize_encoder(encoder); |
12739 | } |
13224 | } |
12740 | 13225 | ||
12741 | for_each_pipe(pipe) { |
13226 | for_each_pipe(dev_priv, pipe) { |
12742 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
13227 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
12743 | intel_sanitize_crtc(crtc); |
13228 | intel_sanitize_crtc(crtc); |
12744 | intel_dump_pipe_config(crtc, &crtc->config, "[setup_hw_state]"); |
13229 | intel_dump_pipe_config(crtc, &crtc->config, "[setup_hw_state]"); |
12745 | } |
13230 | } |
12746 | 13231 | ||
12747 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
13232 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
12748 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; |
13233 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; |
12749 | 13234 | ||
12750 | if (!pll->on || pll->active) |
13235 | if (!pll->on || pll->active) |
12751 | continue; |
13236 | continue; |
12752 | 13237 | ||
12753 | DRM_DEBUG_KMS("%s enabled but not in use, disabling\n", pll->name); |
13238 | DRM_DEBUG_KMS("%s enabled but not in use, disabling\n", pll->name); |
12754 | 13239 | ||
12755 | pll->disable(dev_priv, pll); |
13240 | pll->disable(dev_priv, pll); |
12756 | pll->on = false; |
13241 | pll->on = false; |
12757 | } |
13242 | } |
- | 13243 | ||
- | 13244 | if (IS_GEN9(dev)) |
|
12758 | 13245 | skl_wm_get_hw_state(dev); |
|
12759 | if (HAS_PCH_SPLIT(dev)) |
13246 | else if (HAS_PCH_SPLIT(dev)) |
12760 | ilk_wm_get_hw_state(dev); |
13247 | ilk_wm_get_hw_state(dev); |
12761 | 13248 | ||
12762 | if (force_restore) { |
13249 | if (force_restore) { |
12763 | i915_redisable_vga(dev); |
13250 | i915_redisable_vga(dev); |
12764 | 13251 | ||
12765 | /* |
13252 | /* |
12766 | * We need to use raw interfaces for restoring state to avoid |
13253 | * We need to use raw interfaces for restoring state to avoid |
12767 | * checking (bogus) intermediate states. |
13254 | * checking (bogus) intermediate states. |
12768 | */ |
13255 | */ |
12769 | for_each_pipe(pipe) { |
13256 | for_each_pipe(dev_priv, pipe) { |
12770 | struct drm_crtc *crtc = |
13257 | struct drm_crtc *crtc = |
12771 | dev_priv->pipe_to_crtc_mapping[pipe]; |
13258 | dev_priv->pipe_to_crtc_mapping[pipe]; |
12772 | 13259 | ||
12773 | __intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, |
13260 | intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, |
12774 | crtc->primary->fb); |
13261 | crtc->primary->fb); |
12775 | } |
13262 | } |
12776 | } else { |
13263 | } else { |
12777 | intel_modeset_update_staged_output_state(dev); |
13264 | intel_modeset_update_staged_output_state(dev); |
12778 | } |
13265 | } |
12779 | 13266 | ||
12780 | intel_modeset_check_state(dev); |
13267 | intel_modeset_check_state(dev); |
12781 | } |
13268 | } |
12782 | 13269 | ||
12783 | void intel_modeset_gem_init(struct drm_device *dev) |
13270 | void intel_modeset_gem_init(struct drm_device *dev) |
12784 | { |
13271 | { |
- | 13272 | struct drm_i915_private *dev_priv = dev->dev_private; |
|
12785 | struct drm_crtc *c; |
13273 | struct drm_crtc *c; |
12786 | struct drm_i915_gem_object *obj; |
13274 | struct drm_i915_gem_object *obj; |
12787 | 13275 | ||
12788 | mutex_lock(&dev->struct_mutex); |
13276 | mutex_lock(&dev->struct_mutex); |
12789 | intel_init_gt_powersave(dev); |
13277 | intel_init_gt_powersave(dev); |
12790 | mutex_unlock(&dev->struct_mutex); |
13278 | mutex_unlock(&dev->struct_mutex); |
- | 13279 | ||
- | 13280 | /* |
|
- | 13281 | * There may be no VBT; and if the BIOS enabled SSC we can |
|
- | 13282 | * just keep using it to avoid unnecessary flicker. Whereas if the |
|
- | 13283 | * BIOS isn't using it, don't assume it will work even if the VBT |
|
- | 13284 | * indicates as much. |
|
- | 13285 | */ |
|
- | 13286 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) |
|
- | 13287 | dev_priv->vbt.lvds_use_ssc = !!(I915_READ(PCH_DREF_CONTROL) & |
|
- | 13288 | DREF_SSC1_ENABLE); |
|
12791 | 13289 | ||
12792 | intel_modeset_init_hw(dev); |
13290 | intel_modeset_init_hw(dev); |
12793 | 13291 | ||
12794 | // intel_setup_overlay(dev); |
13292 | // intel_setup_overlay(dev); |
12795 | 13293 | ||
12796 | /* |
13294 | /* |
12797 | * Make sure any fbs we allocated at startup are properly |
13295 | * Make sure any fbs we allocated at startup are properly |
12798 | * pinned & fenced. When we do the allocation it's too early |
13296 | * pinned & fenced. When we do the allocation it's too early |
12799 | * for this. |
13297 | * for this. |
12800 | */ |
13298 | */ |
12801 | mutex_lock(&dev->struct_mutex); |
13299 | mutex_lock(&dev->struct_mutex); |
12802 | for_each_crtc(dev, c) { |
13300 | for_each_crtc(dev, c) { |
12803 | obj = intel_fb_obj(c->primary->fb); |
13301 | obj = intel_fb_obj(c->primary->fb); |
12804 | if (obj == NULL) |
13302 | if (obj == NULL) |
12805 | continue; |
13303 | continue; |
12806 | 13304 | ||
- | 13305 | if (intel_pin_and_fence_fb_obj(c->primary, |
|
- | 13306 | c->primary->fb, |
|
12807 | if (intel_pin_and_fence_fb_obj(dev, obj, NULL)) { |
13307 | NULL)) { |
12808 | DRM_ERROR("failed to pin boot fb on pipe %d\n", |
13308 | DRM_ERROR("failed to pin boot fb on pipe %d\n", |
12809 | to_intel_crtc(c)->pipe); |
13309 | to_intel_crtc(c)->pipe); |
12810 | drm_framebuffer_unreference(c->primary->fb); |
13310 | drm_framebuffer_unreference(c->primary->fb); |
12811 | c->primary->fb = NULL; |
13311 | c->primary->fb = NULL; |
12812 | } |
13312 | } |
12813 | } |
13313 | } |
12814 | mutex_unlock(&dev->struct_mutex); |
13314 | mutex_unlock(&dev->struct_mutex); |
12815 | } |
13315 | } |
12816 | 13316 | ||
12817 | void intel_connector_unregister(struct intel_connector *intel_connector) |
13317 | void intel_connector_unregister(struct intel_connector *intel_connector) |
12818 | { |
13318 | { |
12819 | struct drm_connector *connector = &intel_connector->base; |
13319 | struct drm_connector *connector = &intel_connector->base; |
12820 | 13320 | ||
12821 | intel_panel_destroy_backlight(connector); |
13321 | intel_panel_destroy_backlight(connector); |
12822 | drm_connector_unregister(connector); |
13322 | drm_connector_unregister(connector); |
12823 | } |
13323 | } |
12824 | 13324 | ||
12825 | void intel_modeset_cleanup(struct drm_device *dev) |
13325 | void intel_modeset_cleanup(struct drm_device *dev) |
12826 | { |
13326 | { |
12827 | #if 0 |
13327 | #if 0 |
12828 | struct drm_i915_private *dev_priv = dev->dev_private; |
13328 | struct drm_i915_private *dev_priv = dev->dev_private; |
12829 | struct drm_connector *connector; |
13329 | struct drm_connector *connector; |
- | 13330 | ||
- | 13331 | intel_disable_gt_powersave(dev); |
|
- | 13332 | ||
- | 13333 | intel_backlight_unregister(dev); |
|
12830 | 13334 | ||
12831 | /* |
13335 | /* |
12832 | * Interrupts and polling as the first thing to avoid creating havoc. |
13336 | * Interrupts and polling as the first thing to avoid creating havoc. |
12833 | * Too much stuff here (turning of rps, connectors, ...) would |
13337 | * Too much stuff here (turning of connectors, ...) would |
12834 | * experience fancy races otherwise. |
13338 | * experience fancy races otherwise. |
12835 | */ |
13339 | */ |
12836 | drm_irq_uninstall(dev); |
- | |
12837 | intel_hpd_cancel_work(dev_priv); |
- | |
12838 | dev_priv->pm._irqs_disabled = true; |
13340 | intel_irq_uninstall(dev_priv); |
12839 | 13341 | ||
12840 | /* |
13342 | /* |
12841 | * Due to the hpd irq storm handling the hotplug work can re-arm the |
13343 | * Due to the hpd irq storm handling the hotplug work can re-arm the |
12842 | * poll handlers. Hence disable polling after hpd handling is shut down. |
13344 | * poll handlers. Hence disable polling after hpd handling is shut down. |
12843 | */ |
13345 | */ |
12844 | drm_kms_helper_poll_fini(dev); |
13346 | drm_kms_helper_poll_fini(dev); |
12845 | 13347 | ||
12846 | mutex_lock(&dev->struct_mutex); |
13348 | mutex_lock(&dev->struct_mutex); |
12847 | 13349 | ||
12848 | intel_unregister_dsm_handler(); |
13350 | intel_unregister_dsm_handler(); |
12849 | 13351 | ||
12850 | intel_disable_fbc(dev); |
13352 | intel_disable_fbc(dev); |
12851 | - | ||
12852 | intel_disable_gt_powersave(dev); |
- | |
12853 | 13353 | ||
12854 | ironlake_teardown_rc6(dev); |
13354 | ironlake_teardown_rc6(dev); |
12855 | 13355 | ||
12856 | mutex_unlock(&dev->struct_mutex); |
13356 | mutex_unlock(&dev->struct_mutex); |
12857 | 13357 | ||
12858 | /* flush any delayed tasks or pending work */ |
13358 | /* flush any delayed tasks or pending work */ |
12859 | flush_scheduled_work(); |
13359 | flush_scheduled_work(); |
12860 | 13360 | ||
12861 | /* destroy the backlight and sysfs files before encoders/connectors */ |
13361 | /* destroy the backlight and sysfs files before encoders/connectors */ |
12862 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
13362 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
12863 | struct intel_connector *intel_connector; |
13363 | struct intel_connector *intel_connector; |
12864 | 13364 | ||
12865 | intel_connector = to_intel_connector(connector); |
13365 | intel_connector = to_intel_connector(connector); |
12866 | intel_connector->unregister(intel_connector); |
13366 | intel_connector->unregister(intel_connector); |
12867 | } |
13367 | } |
12868 | 13368 | ||
12869 | drm_mode_config_cleanup(dev); |
13369 | drm_mode_config_cleanup(dev); |
12870 | 13370 | ||
12871 | intel_cleanup_overlay(dev); |
13371 | intel_cleanup_overlay(dev); |
12872 | 13372 | ||
12873 | mutex_lock(&dev->struct_mutex); |
13373 | mutex_lock(&dev->struct_mutex); |
12874 | intel_cleanup_gt_powersave(dev); |
13374 | intel_cleanup_gt_powersave(dev); |
12875 | mutex_unlock(&dev->struct_mutex); |
13375 | mutex_unlock(&dev->struct_mutex); |
12876 | #endif |
13376 | #endif |
12877 | } |
13377 | } |
12878 | 13378 | ||
12879 | /* |
13379 | /* |
12880 | * Return which encoder is currently attached for connector. |
13380 | * Return which encoder is currently attached for connector. |
12881 | */ |
13381 | */ |
12882 | struct drm_encoder *intel_best_encoder(struct drm_connector *connector) |
13382 | struct drm_encoder *intel_best_encoder(struct drm_connector *connector) |
12883 | { |
13383 | { |
12884 | return &intel_attached_encoder(connector)->base; |
13384 | return &intel_attached_encoder(connector)->base; |
12885 | } |
13385 | } |
12886 | 13386 | ||
12887 | void intel_connector_attach_encoder(struct intel_connector *connector, |
13387 | void intel_connector_attach_encoder(struct intel_connector *connector, |
12888 | struct intel_encoder *encoder) |
13388 | struct intel_encoder *encoder) |
12889 | { |
13389 | { |
12890 | connector->encoder = encoder; |
13390 | connector->encoder = encoder; |
12891 | drm_mode_connector_attach_encoder(&connector->base, |
13391 | drm_mode_connector_attach_encoder(&connector->base, |
12892 | &encoder->base); |
13392 | &encoder->base); |
12893 | } |
13393 | } |
12894 | 13394 | ||
12895 | /* |
13395 | /* |
12896 | * set vga decode state - true == enable VGA decode |
13396 | * set vga decode state - true == enable VGA decode |
12897 | */ |
13397 | */ |
12898 | int intel_modeset_vga_set_state(struct drm_device *dev, bool state) |
13398 | int intel_modeset_vga_set_state(struct drm_device *dev, bool state) |
12899 | { |
13399 | { |
12900 | struct drm_i915_private *dev_priv = dev->dev_private; |
13400 | struct drm_i915_private *dev_priv = dev->dev_private; |
12901 | unsigned reg = INTEL_INFO(dev)->gen >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL; |
13401 | unsigned reg = INTEL_INFO(dev)->gen >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL; |
12902 | u16 gmch_ctrl; |
13402 | u16 gmch_ctrl; |
12903 | 13403 | ||
12904 | if (pci_read_config_word(dev_priv->bridge_dev, reg, &gmch_ctrl)) { |
13404 | if (pci_read_config_word(dev_priv->bridge_dev, reg, &gmch_ctrl)) { |
12905 | DRM_ERROR("failed to read control word\n"); |
13405 | DRM_ERROR("failed to read control word\n"); |
12906 | return -EIO; |
13406 | return -EIO; |
12907 | } |
13407 | } |
12908 | 13408 | ||
12909 | if (!!(gmch_ctrl & INTEL_GMCH_VGA_DISABLE) == !state) |
13409 | if (!!(gmch_ctrl & INTEL_GMCH_VGA_DISABLE) == !state) |
12910 | return 0; |
13410 | return 0; |
12911 | 13411 | ||
12912 | if (state) |
13412 | if (state) |
12913 | gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE; |
13413 | gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE; |
12914 | else |
13414 | else |
12915 | gmch_ctrl |= INTEL_GMCH_VGA_DISABLE; |
13415 | gmch_ctrl |= INTEL_GMCH_VGA_DISABLE; |
12916 | 13416 | ||
12917 | if (pci_write_config_word(dev_priv->bridge_dev, reg, gmch_ctrl)) { |
13417 | if (pci_write_config_word(dev_priv->bridge_dev, reg, gmch_ctrl)) { |
12918 | DRM_ERROR("failed to write control word\n"); |
13418 | DRM_ERROR("failed to write control word\n"); |
12919 | return -EIO; |
13419 | return -EIO; |
12920 | } |
13420 | } |
12921 | 13421 | ||
12922 | return 0; |
13422 | return 0; |
12923 | } |
13423 | } |
12924 | 13424 | ||
12925 | #ifdef CONFIG_DEBUG_FS |
13425 | #ifdef CONFIG_DEBUG_FS |
12926 | 13426 | ||
12927 | struct intel_display_error_state { |
13427 | struct intel_display_error_state { |
12928 | 13428 | ||
12929 | u32 power_well_driver; |
13429 | u32 power_well_driver; |
12930 | 13430 | ||
12931 | int num_transcoders; |
13431 | int num_transcoders; |
12932 | 13432 | ||
12933 | struct intel_cursor_error_state { |
13433 | struct intel_cursor_error_state { |
12934 | u32 control; |
13434 | u32 control; |
12935 | u32 position; |
13435 | u32 position; |
12936 | u32 base; |
13436 | u32 base; |
12937 | u32 size; |
13437 | u32 size; |
12938 | } cursor[I915_MAX_PIPES]; |
13438 | } cursor[I915_MAX_PIPES]; |
12939 | 13439 | ||
12940 | struct intel_pipe_error_state { |
13440 | struct intel_pipe_error_state { |
12941 | bool power_domain_on; |
13441 | bool power_domain_on; |
12942 | u32 source; |
13442 | u32 source; |
12943 | u32 stat; |
13443 | u32 stat; |
12944 | } pipe[I915_MAX_PIPES]; |
13444 | } pipe[I915_MAX_PIPES]; |
12945 | 13445 | ||
12946 | struct intel_plane_error_state { |
13446 | struct intel_plane_error_state { |
12947 | u32 control; |
13447 | u32 control; |
12948 | u32 stride; |
13448 | u32 stride; |
12949 | u32 size; |
13449 | u32 size; |
12950 | u32 pos; |
13450 | u32 pos; |
12951 | u32 addr; |
13451 | u32 addr; |
12952 | u32 surface; |
13452 | u32 surface; |
12953 | u32 tile_offset; |
13453 | u32 tile_offset; |
12954 | } plane[I915_MAX_PIPES]; |
13454 | } plane[I915_MAX_PIPES]; |
12955 | 13455 | ||
12956 | struct intel_transcoder_error_state { |
13456 | struct intel_transcoder_error_state { |
12957 | bool power_domain_on; |
13457 | bool power_domain_on; |
12958 | enum transcoder cpu_transcoder; |
13458 | enum transcoder cpu_transcoder; |
12959 | 13459 | ||
12960 | u32 conf; |
13460 | u32 conf; |
12961 | 13461 | ||
12962 | u32 htotal; |
13462 | u32 htotal; |
12963 | u32 hblank; |
13463 | u32 hblank; |
12964 | u32 hsync; |
13464 | u32 hsync; |
12965 | u32 vtotal; |
13465 | u32 vtotal; |
12966 | u32 vblank; |
13466 | u32 vblank; |
12967 | u32 vsync; |
13467 | u32 vsync; |
12968 | } transcoder[4]; |
13468 | } transcoder[4]; |
12969 | }; |
13469 | }; |
12970 | 13470 | ||
12971 | struct intel_display_error_state * |
13471 | struct intel_display_error_state * |
12972 | intel_display_capture_error_state(struct drm_device *dev) |
13472 | intel_display_capture_error_state(struct drm_device *dev) |
12973 | { |
13473 | { |
12974 | struct drm_i915_private *dev_priv = dev->dev_private; |
13474 | struct drm_i915_private *dev_priv = dev->dev_private; |
12975 | struct intel_display_error_state *error; |
13475 | struct intel_display_error_state *error; |
12976 | int transcoders[] = { |
13476 | int transcoders[] = { |
12977 | TRANSCODER_A, |
13477 | TRANSCODER_A, |
12978 | TRANSCODER_B, |
13478 | TRANSCODER_B, |
12979 | TRANSCODER_C, |
13479 | TRANSCODER_C, |
12980 | TRANSCODER_EDP, |
13480 | TRANSCODER_EDP, |
12981 | }; |
13481 | }; |
12982 | int i; |
13482 | int i; |
12983 | 13483 | ||
12984 | if (INTEL_INFO(dev)->num_pipes == 0) |
13484 | if (INTEL_INFO(dev)->num_pipes == 0) |
12985 | return NULL; |
13485 | return NULL; |
12986 | 13486 | ||
12987 | error = kzalloc(sizeof(*error), GFP_ATOMIC); |
13487 | error = kzalloc(sizeof(*error), GFP_ATOMIC); |
12988 | if (error == NULL) |
13488 | if (error == NULL) |
12989 | return NULL; |
13489 | return NULL; |
12990 | 13490 | ||
12991 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
13491 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
12992 | error->power_well_driver = I915_READ(HSW_PWR_WELL_DRIVER); |
13492 | error->power_well_driver = I915_READ(HSW_PWR_WELL_DRIVER); |
12993 | 13493 | ||
12994 | for_each_pipe(i) { |
13494 | for_each_pipe(dev_priv, i) { |
12995 | error->pipe[i].power_domain_on = |
13495 | error->pipe[i].power_domain_on = |
12996 | intel_display_power_enabled_unlocked(dev_priv, |
13496 | __intel_display_power_is_enabled(dev_priv, |
12997 | POWER_DOMAIN_PIPE(i)); |
13497 | POWER_DOMAIN_PIPE(i)); |
12998 | if (!error->pipe[i].power_domain_on) |
13498 | if (!error->pipe[i].power_domain_on) |
12999 | continue; |
13499 | continue; |
13000 | 13500 | ||
13001 | error->cursor[i].control = I915_READ(CURCNTR(i)); |
13501 | error->cursor[i].control = I915_READ(CURCNTR(i)); |
13002 | error->cursor[i].position = I915_READ(CURPOS(i)); |
13502 | error->cursor[i].position = I915_READ(CURPOS(i)); |
13003 | error->cursor[i].base = I915_READ(CURBASE(i)); |
13503 | error->cursor[i].base = I915_READ(CURBASE(i)); |
13004 | 13504 | ||
13005 | error->plane[i].control = I915_READ(DSPCNTR(i)); |
13505 | error->plane[i].control = I915_READ(DSPCNTR(i)); |
13006 | error->plane[i].stride = I915_READ(DSPSTRIDE(i)); |
13506 | error->plane[i].stride = I915_READ(DSPSTRIDE(i)); |
13007 | if (INTEL_INFO(dev)->gen <= 3) { |
13507 | if (INTEL_INFO(dev)->gen <= 3) { |
13008 | error->plane[i].size = I915_READ(DSPSIZE(i)); |
13508 | error->plane[i].size = I915_READ(DSPSIZE(i)); |
13009 | error->plane[i].pos = I915_READ(DSPPOS(i)); |
13509 | error->plane[i].pos = I915_READ(DSPPOS(i)); |
13010 | } |
13510 | } |
13011 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
13511 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
13012 | error->plane[i].addr = I915_READ(DSPADDR(i)); |
13512 | error->plane[i].addr = I915_READ(DSPADDR(i)); |
13013 | if (INTEL_INFO(dev)->gen >= 4) { |
13513 | if (INTEL_INFO(dev)->gen >= 4) { |
13014 | error->plane[i].surface = I915_READ(DSPSURF(i)); |
13514 | error->plane[i].surface = I915_READ(DSPSURF(i)); |
13015 | error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i)); |
13515 | error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i)); |
13016 | } |
13516 | } |
13017 | 13517 | ||
13018 | error->pipe[i].source = I915_READ(PIPESRC(i)); |
13518 | error->pipe[i].source = I915_READ(PIPESRC(i)); |
13019 | 13519 | ||
13020 | if (HAS_GMCH_DISPLAY(dev)) |
13520 | if (HAS_GMCH_DISPLAY(dev)) |
13021 | error->pipe[i].stat = I915_READ(PIPESTAT(i)); |
13521 | error->pipe[i].stat = I915_READ(PIPESTAT(i)); |
13022 | } |
13522 | } |
13023 | 13523 | ||
13024 | error->num_transcoders = INTEL_INFO(dev)->num_pipes; |
13524 | error->num_transcoders = INTEL_INFO(dev)->num_pipes; |
13025 | if (HAS_DDI(dev_priv->dev)) |
13525 | if (HAS_DDI(dev_priv->dev)) |
13026 | error->num_transcoders++; /* Account for eDP. */ |
13526 | error->num_transcoders++; /* Account for eDP. */ |
13027 | 13527 | ||
13028 | for (i = 0; i < error->num_transcoders; i++) { |
13528 | for (i = 0; i < error->num_transcoders; i++) { |
13029 | enum transcoder cpu_transcoder = transcoders[i]; |
13529 | enum transcoder cpu_transcoder = transcoders[i]; |
13030 | 13530 | ||
13031 | error->transcoder[i].power_domain_on = |
13531 | error->transcoder[i].power_domain_on = |
13032 | intel_display_power_enabled_unlocked(dev_priv, |
13532 | __intel_display_power_is_enabled(dev_priv, |
13033 | POWER_DOMAIN_TRANSCODER(cpu_transcoder)); |
13533 | POWER_DOMAIN_TRANSCODER(cpu_transcoder)); |
13034 | if (!error->transcoder[i].power_domain_on) |
13534 | if (!error->transcoder[i].power_domain_on) |
13035 | continue; |
13535 | continue; |
13036 | 13536 | ||
13037 | error->transcoder[i].cpu_transcoder = cpu_transcoder; |
13537 | error->transcoder[i].cpu_transcoder = cpu_transcoder; |
13038 | 13538 | ||
13039 | error->transcoder[i].conf = I915_READ(PIPECONF(cpu_transcoder)); |
13539 | error->transcoder[i].conf = I915_READ(PIPECONF(cpu_transcoder)); |
13040 | error->transcoder[i].htotal = I915_READ(HTOTAL(cpu_transcoder)); |
13540 | error->transcoder[i].htotal = I915_READ(HTOTAL(cpu_transcoder)); |
13041 | error->transcoder[i].hblank = I915_READ(HBLANK(cpu_transcoder)); |
13541 | error->transcoder[i].hblank = I915_READ(HBLANK(cpu_transcoder)); |
13042 | error->transcoder[i].hsync = I915_READ(HSYNC(cpu_transcoder)); |
13542 | error->transcoder[i].hsync = I915_READ(HSYNC(cpu_transcoder)); |
13043 | error->transcoder[i].vtotal = I915_READ(VTOTAL(cpu_transcoder)); |
13543 | error->transcoder[i].vtotal = I915_READ(VTOTAL(cpu_transcoder)); |
13044 | error->transcoder[i].vblank = I915_READ(VBLANK(cpu_transcoder)); |
13544 | error->transcoder[i].vblank = I915_READ(VBLANK(cpu_transcoder)); |
13045 | error->transcoder[i].vsync = I915_READ(VSYNC(cpu_transcoder)); |
13545 | error->transcoder[i].vsync = I915_READ(VSYNC(cpu_transcoder)); |
13046 | } |
13546 | } |
13047 | 13547 | ||
13048 | return error; |
13548 | return error; |
13049 | } |
13549 | } |
13050 | 13550 | ||
13051 | #define err_printf(e, ...) i915_error_printf(e, __VA_ARGS__) |
13551 | #define err_printf(e, ...) i915_error_printf(e, __VA_ARGS__) |
13052 | 13552 | ||
13053 | void |
13553 | void |
13054 | intel_display_print_error_state(struct drm_i915_error_state_buf *m, |
13554 | intel_display_print_error_state(struct drm_i915_error_state_buf *m, |
13055 | struct drm_device *dev, |
13555 | struct drm_device *dev, |
13056 | struct intel_display_error_state *error) |
13556 | struct intel_display_error_state *error) |
13057 | { |
13557 | { |
- | 13558 | struct drm_i915_private *dev_priv = dev->dev_private; |
|
13058 | int i; |
13559 | int i; |
13059 | 13560 | ||
13060 | if (!error) |
13561 | if (!error) |
13061 | return; |
13562 | return; |
13062 | 13563 | ||
13063 | err_printf(m, "Num Pipes: %d\n", INTEL_INFO(dev)->num_pipes); |
13564 | err_printf(m, "Num Pipes: %d\n", INTEL_INFO(dev)->num_pipes); |
13064 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
13565 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
13065 | err_printf(m, "PWR_WELL_CTL2: %08x\n", |
13566 | err_printf(m, "PWR_WELL_CTL2: %08x\n", |
13066 | error->power_well_driver); |
13567 | error->power_well_driver); |
13067 | for_each_pipe(i) { |
13568 | for_each_pipe(dev_priv, i) { |
13068 | err_printf(m, "Pipe [%d]:\n", i); |
13569 | err_printf(m, "Pipe [%d]:\n", i); |
13069 | err_printf(m, " Power: %s\n", |
13570 | err_printf(m, " Power: %s\n", |
13070 | error->pipe[i].power_domain_on ? "on" : "off"); |
13571 | error->pipe[i].power_domain_on ? "on" : "off"); |
13071 | err_printf(m, " SRC: %08x\n", error->pipe[i].source); |
13572 | err_printf(m, " SRC: %08x\n", error->pipe[i].source); |
13072 | err_printf(m, " STAT: %08x\n", error->pipe[i].stat); |
13573 | err_printf(m, " STAT: %08x\n", error->pipe[i].stat); |
13073 | 13574 | ||
13074 | err_printf(m, "Plane [%d]:\n", i); |
13575 | err_printf(m, "Plane [%d]:\n", i); |
13075 | err_printf(m, " CNTR: %08x\n", error->plane[i].control); |
13576 | err_printf(m, " CNTR: %08x\n", error->plane[i].control); |
13076 | err_printf(m, " STRIDE: %08x\n", error->plane[i].stride); |
13577 | err_printf(m, " STRIDE: %08x\n", error->plane[i].stride); |
13077 | if (INTEL_INFO(dev)->gen <= 3) { |
13578 | if (INTEL_INFO(dev)->gen <= 3) { |
13078 | err_printf(m, " SIZE: %08x\n", error->plane[i].size); |
13579 | err_printf(m, " SIZE: %08x\n", error->plane[i].size); |
13079 | err_printf(m, " POS: %08x\n", error->plane[i].pos); |
13580 | err_printf(m, " POS: %08x\n", error->plane[i].pos); |
13080 | } |
13581 | } |
13081 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
13582 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
13082 | err_printf(m, " ADDR: %08x\n", error->plane[i].addr); |
13583 | err_printf(m, " ADDR: %08x\n", error->plane[i].addr); |
13083 | if (INTEL_INFO(dev)->gen >= 4) { |
13584 | if (INTEL_INFO(dev)->gen >= 4) { |
13084 | err_printf(m, " SURF: %08x\n", error->plane[i].surface); |
13585 | err_printf(m, " SURF: %08x\n", error->plane[i].surface); |
13085 | err_printf(m, " TILEOFF: %08x\n", error->plane[i].tile_offset); |
13586 | err_printf(m, " TILEOFF: %08x\n", error->plane[i].tile_offset); |
13086 | } |
13587 | } |
13087 | 13588 | ||
13088 | err_printf(m, "Cursor [%d]:\n", i); |
13589 | err_printf(m, "Cursor [%d]:\n", i); |
13089 | err_printf(m, " CNTR: %08x\n", error->cursor[i].control); |
13590 | err_printf(m, " CNTR: %08x\n", error->cursor[i].control); |
13090 | err_printf(m, " POS: %08x\n", error->cursor[i].position); |
13591 | err_printf(m, " POS: %08x\n", error->cursor[i].position); |
13091 | err_printf(m, " BASE: %08x\n", error->cursor[i].base); |
13592 | err_printf(m, " BASE: %08x\n", error->cursor[i].base); |
13092 | } |
13593 | } |
13093 | 13594 | ||
13094 | for (i = 0; i < error->num_transcoders; i++) { |
13595 | for (i = 0; i < error->num_transcoders; i++) { |
13095 | err_printf(m, "CPU transcoder: %c\n", |
13596 | err_printf(m, "CPU transcoder: %c\n", |
13096 | transcoder_name(error->transcoder[i].cpu_transcoder)); |
13597 | transcoder_name(error->transcoder[i].cpu_transcoder)); |
13097 | err_printf(m, " Power: %s\n", |
13598 | err_printf(m, " Power: %s\n", |
13098 | error->transcoder[i].power_domain_on ? "on" : "off"); |
13599 | error->transcoder[i].power_domain_on ? "on" : "off"); |
13099 | err_printf(m, " CONF: %08x\n", error->transcoder[i].conf); |
13600 | err_printf(m, " CONF: %08x\n", error->transcoder[i].conf); |
13100 | err_printf(m, " HTOTAL: %08x\n", error->transcoder[i].htotal); |
13601 | err_printf(m, " HTOTAL: %08x\n", error->transcoder[i].htotal); |
13101 | err_printf(m, " HBLANK: %08x\n", error->transcoder[i].hblank); |
13602 | err_printf(m, " HBLANK: %08x\n", error->transcoder[i].hblank); |
13102 | err_printf(m, " HSYNC: %08x\n", error->transcoder[i].hsync); |
13603 | err_printf(m, " HSYNC: %08x\n", error->transcoder[i].hsync); |
13103 | err_printf(m, " VTOTAL: %08x\n", error->transcoder[i].vtotal); |
13604 | err_printf(m, " VTOTAL: %08x\n", error->transcoder[i].vtotal); |
13104 | err_printf(m, " VBLANK: %08x\n", error->transcoder[i].vblank); |
13605 | err_printf(m, " VBLANK: %08x\n", error->transcoder[i].vblank); |
13105 | err_printf(m, " VSYNC: %08x\n", error->transcoder[i].vsync); |
13606 | err_printf(m, " VSYNC: %08x\n", error->transcoder[i].vsync); |
13106 | } |
13607 | } |
13107 | } |
13608 | } |
13108 | #endif>=>=>>=>=>>>>>5,><5,>>>>>>>><>>>=>>>>>>>>>(intel_crtc)-><(intel_crtc)->>><>><>><>><>><>><>><>><>><>><>><>>>><>><>>>>>>><>>>>><>>><>><>=>>><>><>=>>><>><>>><>><>><>><>>><>><>><>><>>>>>><>><>><>><>><>>>><>><>><>><>->>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>>><>>><>>=>>><>><>><>><>><>><>><>>>><>><>><>><>>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>>><>><>=>>=>=>><>><>><>><>><>><>><>><>><>>><>><>>>>><>><>><>><>><>><>><>>>>>>>>>>>>><>><>><>><>>>>>>><>>><>>>=>=>>=>>>=>=>=>=>>>=>=>=>=>>>>>>>>>>=>=>>>>>>>>>><>><>><>=> |
13609 | #endif |
- | 13610 | ||
- | 13611 | void intel_modeset_preclose(struct drm_device *dev, struct drm_file *file) |
|
- | 13612 | { |
|
- | 13613 | struct intel_crtc *crtc; |
|
- | 13614 | ||
- | 13615 | for_each_intel_crtc(dev, crtc) { |
|
- | 13616 | struct intel_unpin_work *work; |
|
- | 13617 | ||
- | 13618 | spin_lock_irq(&dev->event_lock); |
|
- | 13619 | ||
- | 13620 | work = crtc->unpin_work; |
|
- | 13621 | ||
- | 13622 | if (work && work->event && |
|
- | 13623 | work->event->base.file_priv == file) { |
|
- | 13624 | kfree(work->event); |
|
- | 13625 | work->event = NULL; |
|
- | 13626 | } |
|
- | 13627 | ||
- | 13628 | spin_unlock_irq(&dev->event_lock); |
|
- | 13629 | } |
|
- | 13630 | }>=>=>>=>=>>><>>>5,><5,>>>>>>>><>>>>=>>=>>>>>>>>>>(intel_crtc)-><(intel_crtc)->>><>><>><>><>><>><>><>><>><>><>><>>>><>><>><>>>>>>><>>>>><>><>=>>><>><>=>>><>><>>>>>>><>><>><>><>><>>>><>><>><>><>->>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>>><>>><>>=>>><>><>><>><>><>><>><>>>><>><>><>><>>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>>>>><>><>><>><>>><>><>=>>=>=>><>><>><>><>><>><>><>><>><>>><>><>>>>>><>>>><>><>><>><>><>><>><>><>><>>>>>>>>>>>>><>><>><>><>><>><>><>><>>>>><>>><>>>=>=>>=>>>=>=>=>=>>>=>=>=>=>>>>>>>>>>=>=>>>>>>>>>><>><>><>=> |