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1 | /* |
1 | /* |
2 | * Copyright © 2014 Intel Corporation |
2 | * Copyright © 2014 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 | 23 | ||
24 | /** |
24 | /** |
25 | * DOC: atomic plane helpers |
25 | * DOC: atomic plane helpers |
26 | * |
26 | * |
27 | * The functions here are used by the atomic plane helper functions to |
27 | * The functions here are used by the atomic plane helper functions to |
28 | * implement legacy plane updates (i.e., drm_plane->update_plane() and |
28 | * implement legacy plane updates (i.e., drm_plane->update_plane() and |
29 | * drm_plane->disable_plane()). This allows plane updates to use the |
29 | * drm_plane->disable_plane()). This allows plane updates to use the |
30 | * atomic state infrastructure and perform plane updates as separate |
30 | * atomic state infrastructure and perform plane updates as separate |
31 | * prepare/check/commit/cleanup steps. |
31 | * prepare/check/commit/cleanup steps. |
32 | */ |
32 | */ |
33 | 33 | ||
34 | #include |
34 | #include |
35 | #include |
35 | #include |
36 | #include |
36 | #include |
37 | #include "intel_drv.h" |
37 | #include "intel_drv.h" |
38 | 38 | ||
39 | /** |
39 | /** |
40 | * intel_create_plane_state - create plane state object |
40 | * intel_create_plane_state - create plane state object |
41 | * @plane: drm plane |
41 | * @plane: drm plane |
42 | * |
42 | * |
43 | * Allocates a fresh plane state for the given plane and sets some of |
43 | * Allocates a fresh plane state for the given plane and sets some of |
44 | * the state values to sensible initial values. |
44 | * the state values to sensible initial values. |
45 | * |
45 | * |
46 | * Returns: A newly allocated plane state, or NULL on failure |
46 | * Returns: A newly allocated plane state, or NULL on failure |
47 | */ |
47 | */ |
48 | struct intel_plane_state * |
48 | struct intel_plane_state * |
49 | intel_create_plane_state(struct drm_plane *plane) |
49 | intel_create_plane_state(struct drm_plane *plane) |
50 | { |
50 | { |
51 | struct intel_plane_state *state; |
51 | struct intel_plane_state *state; |
52 | 52 | ||
53 | state = kzalloc(sizeof(*state), GFP_KERNEL); |
53 | state = kzalloc(sizeof(*state), GFP_KERNEL); |
54 | if (!state) |
54 | if (!state) |
55 | return NULL; |
55 | return NULL; |
56 | 56 | ||
57 | state->base.plane = plane; |
57 | state->base.plane = plane; |
58 | state->base.rotation = BIT(DRM_ROTATE_0); |
58 | state->base.rotation = BIT(DRM_ROTATE_0); |
59 | state->ckey.flags = I915_SET_COLORKEY_NONE; |
59 | state->ckey.flags = I915_SET_COLORKEY_NONE; |
60 | 60 | ||
61 | return state; |
61 | return state; |
62 | } |
62 | } |
63 | 63 | ||
64 | /** |
64 | /** |
65 | * intel_plane_duplicate_state - duplicate plane state |
65 | * intel_plane_duplicate_state - duplicate plane state |
66 | * @plane: drm plane |
66 | * @plane: drm plane |
67 | * |
67 | * |
68 | * Allocates and returns a copy of the plane state (both common and |
68 | * Allocates and returns a copy of the plane state (both common and |
69 | * Intel-specific) for the specified plane. |
69 | * Intel-specific) for the specified plane. |
70 | * |
70 | * |
71 | * Returns: The newly allocated plane state, or NULL on failure. |
71 | * Returns: The newly allocated plane state, or NULL on failure. |
72 | */ |
72 | */ |
73 | struct drm_plane_state * |
73 | struct drm_plane_state * |
74 | intel_plane_duplicate_state(struct drm_plane *plane) |
74 | intel_plane_duplicate_state(struct drm_plane *plane) |
75 | { |
75 | { |
76 | struct drm_plane_state *state; |
76 | struct drm_plane_state *state; |
77 | struct intel_plane_state *intel_state; |
77 | struct intel_plane_state *intel_state; |
78 | 78 | ||
79 | intel_state = kmemdup(plane->state, sizeof(*intel_state), GFP_KERNEL); |
79 | intel_state = kmemdup(plane->state, sizeof(*intel_state), GFP_KERNEL); |
80 | 80 | ||
81 | if (!intel_state) |
81 | if (!intel_state) |
82 | return NULL; |
82 | return NULL; |
83 | 83 | ||
84 | state = &intel_state->base; |
84 | state = &intel_state->base; |
85 | 85 | ||
86 | __drm_atomic_helper_plane_duplicate_state(plane, state); |
86 | __drm_atomic_helper_plane_duplicate_state(plane, state); |
87 | intel_state->wait_req = NULL; |
87 | intel_state->wait_req = NULL; |
88 | 88 | ||
89 | return state; |
89 | return state; |
90 | } |
90 | } |
91 | 91 | ||
92 | /** |
92 | /** |
93 | * intel_plane_destroy_state - destroy plane state |
93 | * intel_plane_destroy_state - destroy plane state |
94 | * @plane: drm plane |
94 | * @plane: drm plane |
95 | * @state: state object to destroy |
95 | * @state: state object to destroy |
96 | * |
96 | * |
97 | * Destroys the plane state (both common and Intel-specific) for the |
97 | * Destroys the plane state (both common and Intel-specific) for the |
98 | * specified plane. |
98 | * specified plane. |
99 | */ |
99 | */ |
100 | void |
100 | void |
101 | intel_plane_destroy_state(struct drm_plane *plane, |
101 | intel_plane_destroy_state(struct drm_plane *plane, |
102 | struct drm_plane_state *state) |
102 | struct drm_plane_state *state) |
103 | { |
103 | { |
104 | WARN_ON(state && to_intel_plane_state(state)->wait_req); |
104 | WARN_ON(state && to_intel_plane_state(state)->wait_req); |
105 | drm_atomic_helper_plane_destroy_state(plane, state); |
105 | drm_atomic_helper_plane_destroy_state(plane, state); |
106 | } |
106 | } |
107 | 107 | ||
108 | static int intel_plane_atomic_check(struct drm_plane *plane, |
108 | static int intel_plane_atomic_check(struct drm_plane *plane, |
109 | struct drm_plane_state *state) |
109 | struct drm_plane_state *state) |
110 | { |
110 | { |
111 | struct drm_crtc *crtc = state->crtc; |
111 | struct drm_crtc *crtc = state->crtc; |
112 | struct intel_crtc *intel_crtc; |
112 | struct intel_crtc *intel_crtc; |
113 | struct intel_crtc_state *crtc_state; |
113 | struct intel_crtc_state *crtc_state; |
114 | struct intel_plane *intel_plane = to_intel_plane(plane); |
114 | struct intel_plane *intel_plane = to_intel_plane(plane); |
115 | struct intel_plane_state *intel_state = to_intel_plane_state(state); |
115 | struct intel_plane_state *intel_state = to_intel_plane_state(state); |
116 | struct drm_crtc_state *drm_crtc_state; |
116 | struct drm_crtc_state *drm_crtc_state; |
117 | int ret; |
117 | int ret; |
118 | 118 | ||
119 | crtc = crtc ? crtc : plane->state->crtc; |
119 | crtc = crtc ? crtc : plane->state->crtc; |
120 | intel_crtc = to_intel_crtc(crtc); |
120 | intel_crtc = to_intel_crtc(crtc); |
121 | 121 | ||
122 | /* |
122 | /* |
123 | * Both crtc and plane->crtc could be NULL if we're updating a |
123 | * Both crtc and plane->crtc could be NULL if we're updating a |
124 | * property while the plane is disabled. We don't actually have |
124 | * property while the plane is disabled. We don't actually have |
125 | * anything driver-specific we need to test in that case, so |
125 | * anything driver-specific we need to test in that case, so |
126 | * just return success. |
126 | * just return success. |
127 | */ |
127 | */ |
128 | if (!crtc) |
128 | if (!crtc) |
129 | return 0; |
129 | return 0; |
130 | 130 | ||
131 | drm_crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc); |
131 | drm_crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc); |
132 | if (WARN_ON(!drm_crtc_state)) |
132 | if (WARN_ON(!drm_crtc_state)) |
133 | return -EINVAL; |
133 | return -EINVAL; |
134 | 134 | ||
135 | crtc_state = to_intel_crtc_state(drm_crtc_state); |
135 | crtc_state = to_intel_crtc_state(drm_crtc_state); |
136 | 136 | ||
137 | /* |
137 | /* |
138 | * The original src/dest coordinates are stored in state->base, but |
138 | * The original src/dest coordinates are stored in state->base, but |
139 | * we want to keep another copy internal to our driver that we can |
139 | * we want to keep another copy internal to our driver that we can |
140 | * clip/modify ourselves. |
140 | * clip/modify ourselves. |
141 | */ |
141 | */ |
142 | intel_state->src.x1 = state->src_x; |
142 | intel_state->src.x1 = state->src_x; |
143 | intel_state->src.y1 = state->src_y; |
143 | intel_state->src.y1 = state->src_y; |
144 | intel_state->src.x2 = state->src_x + state->src_w; |
144 | intel_state->src.x2 = state->src_x + state->src_w; |
145 | intel_state->src.y2 = state->src_y + state->src_h; |
145 | intel_state->src.y2 = state->src_y + state->src_h; |
146 | intel_state->dst.x1 = state->crtc_x; |
146 | intel_state->dst.x1 = state->crtc_x; |
147 | intel_state->dst.y1 = state->crtc_y; |
147 | intel_state->dst.y1 = state->crtc_y; |
148 | intel_state->dst.x2 = state->crtc_x + state->crtc_w; |
148 | intel_state->dst.x2 = state->crtc_x + state->crtc_w; |
149 | intel_state->dst.y2 = state->crtc_y + state->crtc_h; |
149 | intel_state->dst.y2 = state->crtc_y + state->crtc_h; |
150 | 150 | ||
151 | /* Clip all planes to CRTC size, or 0x0 if CRTC is disabled */ |
151 | /* Clip all planes to CRTC size, or 0x0 if CRTC is disabled */ |
152 | intel_state->clip.x1 = 0; |
152 | intel_state->clip.x1 = 0; |
153 | intel_state->clip.y1 = 0; |
153 | intel_state->clip.y1 = 0; |
154 | intel_state->clip.x2 = |
154 | intel_state->clip.x2 = |
155 | crtc_state->base.active ? crtc_state->pipe_src_w : 0; |
155 | crtc_state->base.enable ? crtc_state->pipe_src_w : 0; |
156 | intel_state->clip.y2 = |
156 | intel_state->clip.y2 = |
157 | crtc_state->base.active ? crtc_state->pipe_src_h : 0; |
157 | crtc_state->base.enable ? crtc_state->pipe_src_h : 0; |
158 | 158 | ||
159 | if (state->fb && intel_rotation_90_or_270(state->rotation)) { |
159 | if (state->fb && intel_rotation_90_or_270(state->rotation)) { |
160 | if (!(state->fb->modifier[0] == I915_FORMAT_MOD_Y_TILED || |
160 | if (!(state->fb->modifier[0] == I915_FORMAT_MOD_Y_TILED || |
161 | state->fb->modifier[0] == I915_FORMAT_MOD_Yf_TILED)) { |
161 | state->fb->modifier[0] == I915_FORMAT_MOD_Yf_TILED)) { |
162 | DRM_DEBUG_KMS("Y/Yf tiling required for 90/270!\n"); |
162 | DRM_DEBUG_KMS("Y/Yf tiling required for 90/270!\n"); |
163 | return -EINVAL; |
163 | return -EINVAL; |
164 | } |
164 | } |
165 | 165 | ||
166 | /* |
166 | /* |
167 | * 90/270 is not allowed with RGB64 16:16:16:16, |
167 | * 90/270 is not allowed with RGB64 16:16:16:16, |
168 | * RGB 16-bit 5:6:5, and Indexed 8-bit. |
168 | * RGB 16-bit 5:6:5, and Indexed 8-bit. |
169 | * TBD: Add RGB64 case once its added in supported format list. |
169 | * TBD: Add RGB64 case once its added in supported format list. |
170 | */ |
170 | */ |
171 | switch (state->fb->pixel_format) { |
171 | switch (state->fb->pixel_format) { |
172 | case DRM_FORMAT_C8: |
172 | case DRM_FORMAT_C8: |
173 | case DRM_FORMAT_RGB565: |
173 | case DRM_FORMAT_RGB565: |
174 | DRM_DEBUG_KMS("Unsupported pixel format %s for 90/270!\n", |
174 | DRM_DEBUG_KMS("Unsupported pixel format %s for 90/270!\n", |
175 | drm_get_format_name(state->fb->pixel_format)); |
175 | drm_get_format_name(state->fb->pixel_format)); |
176 | return -EINVAL; |
176 | return -EINVAL; |
177 | 177 | ||
178 | default: |
178 | default: |
179 | break; |
179 | break; |
180 | } |
180 | } |
181 | } |
181 | } |
182 | 182 | ||
183 | intel_state->visible = false; |
183 | intel_state->visible = false; |
184 | ret = intel_plane->check_plane(plane, crtc_state, intel_state); |
184 | ret = intel_plane->check_plane(plane, crtc_state, intel_state); |
185 | if (ret) |
185 | if (ret) |
186 | return ret; |
186 | return ret; |
187 | 187 | ||
188 | return intel_plane_atomic_calc_changes(&crtc_state->base, state); |
188 | return intel_plane_atomic_calc_changes(&crtc_state->base, state); |
189 | } |
189 | } |
190 | 190 | ||
191 | static void intel_plane_atomic_update(struct drm_plane *plane, |
191 | static void intel_plane_atomic_update(struct drm_plane *plane, |
192 | struct drm_plane_state *old_state) |
192 | struct drm_plane_state *old_state) |
193 | { |
193 | { |
194 | struct intel_plane *intel_plane = to_intel_plane(plane); |
194 | struct intel_plane *intel_plane = to_intel_plane(plane); |
195 | struct intel_plane_state *intel_state = |
195 | struct intel_plane_state *intel_state = |
196 | to_intel_plane_state(plane->state); |
196 | to_intel_plane_state(plane->state); |
- | 197 | struct drm_crtc *crtc = plane->state->crtc ?: old_state->crtc; |
|
- | 198 | ||
- | 199 | if (intel_state->visible) |
|
- | 200 | intel_plane->update_plane(plane, |
|
- | 201 | to_intel_crtc_state(crtc->state), |
|
- | 202 | intel_state); |
|
197 | 203 | else |
|
198 | intel_plane->commit_plane(plane, intel_state); |
204 | intel_plane->disable_plane(plane, crtc); |
199 | } |
205 | } |
200 | 206 | ||
201 | const struct drm_plane_helper_funcs intel_plane_helper_funcs = { |
207 | const struct drm_plane_helper_funcs intel_plane_helper_funcs = { |
202 | .prepare_fb = intel_prepare_plane_fb, |
208 | .prepare_fb = intel_prepare_plane_fb, |
203 | .cleanup_fb = intel_cleanup_plane_fb, |
209 | .cleanup_fb = intel_cleanup_plane_fb, |
204 | .atomic_check = intel_plane_atomic_check, |
210 | .atomic_check = intel_plane_atomic_check, |
205 | .atomic_update = intel_plane_atomic_update, |
211 | .atomic_update = intel_plane_atomic_update, |
206 | }; |
212 | }; |
207 | 213 | ||
208 | /** |
214 | /** |
209 | * intel_plane_atomic_get_property - fetch plane property value |
215 | * intel_plane_atomic_get_property - fetch plane property value |
210 | * @plane: plane to fetch property for |
216 | * @plane: plane to fetch property for |
211 | * @state: state containing the property value |
217 | * @state: state containing the property value |
212 | * @property: property to look up |
218 | * @property: property to look up |
213 | * @val: pointer to write property value into |
219 | * @val: pointer to write property value into |
214 | * |
220 | * |
215 | * The DRM core does not store shadow copies of properties for |
221 | * The DRM core does not store shadow copies of properties for |
216 | * atomic-capable drivers. This entrypoint is used to fetch |
222 | * atomic-capable drivers. This entrypoint is used to fetch |
217 | * the current value of a driver-specific plane property. |
223 | * the current value of a driver-specific plane property. |
218 | */ |
224 | */ |
219 | int |
225 | int |
220 | intel_plane_atomic_get_property(struct drm_plane *plane, |
226 | intel_plane_atomic_get_property(struct drm_plane *plane, |
221 | const struct drm_plane_state *state, |
227 | const struct drm_plane_state *state, |
222 | struct drm_property *property, |
228 | struct drm_property *property, |
223 | uint64_t *val) |
229 | uint64_t *val) |
224 | { |
230 | { |
225 | DRM_DEBUG_KMS("Unknown plane property '%s'\n", property->name); |
231 | DRM_DEBUG_KMS("Unknown plane property '%s'\n", property->name); |
226 | return -EINVAL; |
232 | return -EINVAL; |
227 | } |
233 | } |
228 | 234 | ||
229 | /** |
235 | /** |
230 | * intel_plane_atomic_set_property - set plane property value |
236 | * intel_plane_atomic_set_property - set plane property value |
231 | * @plane: plane to set property for |
237 | * @plane: plane to set property for |
232 | * @state: state to update property value in |
238 | * @state: state to update property value in |
233 | * @property: property to set |
239 | * @property: property to set |
234 | * @val: value to set property to |
240 | * @val: value to set property to |
235 | * |
241 | * |
236 | * Writes the specified property value for a plane into the provided atomic |
242 | * Writes the specified property value for a plane into the provided atomic |
237 | * state object. |
243 | * state object. |
238 | * |
244 | * |
239 | * Returns 0 on success, -EINVAL on unrecognized properties |
245 | * Returns 0 on success, -EINVAL on unrecognized properties |
240 | */ |
246 | */ |
241 | int |
247 | int |
242 | intel_plane_atomic_set_property(struct drm_plane *plane, |
248 | intel_plane_atomic_set_property(struct drm_plane *plane, |
243 | struct drm_plane_state *state, |
249 | struct drm_plane_state *state, |
244 | struct drm_property *property, |
250 | struct drm_property *property, |
245 | uint64_t val) |
251 | uint64_t val) |
246 | { |
252 | { |
247 | DRM_DEBUG_KMS("Unknown plane property '%s'\n", property->name); |
253 | DRM_DEBUG_KMS("Unknown plane property '%s'\n", property->name); |
248 | return -EINVAL; |
254 | return -EINVAL; |
249 | } |
255 | } |