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1 | /* |
1 | /* |
2 | * Copyright © 2008 Intel Corporation |
2 | * Copyright © 2008 Intel Corporation |
3 | * 2014 Red Hat Inc. |
3 | * 2014 Red Hat Inc. |
4 | * |
4 | * |
5 | * Permission is hereby granted, free of charge, to any person obtaining a |
5 | * Permission is hereby granted, free of charge, to any person obtaining a |
6 | * copy of this software and associated documentation files (the "Software"), |
6 | * copy of this software and associated documentation files (the "Software"), |
7 | * to deal in the Software without restriction, including without limitation |
7 | * to deal in the Software without restriction, including without limitation |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
9 | * and/or sell copies of the Software, and to permit persons to whom the |
9 | * and/or sell copies of the Software, and to permit persons to whom the |
10 | * Software is furnished to do so, subject to the following conditions: |
10 | * Software is furnished to do so, subject to the following conditions: |
11 | * |
11 | * |
12 | * The above copyright notice and this permission notice (including the next |
12 | * The above copyright notice and this permission notice (including the next |
13 | * paragraph) shall be included in all copies or substantial portions of the |
13 | * paragraph) shall be included in all copies or substantial portions of the |
14 | * Software. |
14 | * Software. |
15 | * |
15 | * |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
22 | * IN THE SOFTWARE. |
22 | * IN THE SOFTWARE. |
23 | * |
23 | * |
24 | */ |
24 | */ |
25 | 25 | ||
26 | #include |
26 | #include |
27 | #include "i915_drv.h" |
27 | #include "i915_drv.h" |
28 | #include "intel_drv.h" |
28 | #include "intel_drv.h" |
29 | #include |
29 | #include |
30 | #include |
30 | #include |
31 | #include |
31 | #include |
32 | 32 | ||
33 | static bool intel_dp_mst_compute_config(struct intel_encoder *encoder, |
33 | static bool intel_dp_mst_compute_config(struct intel_encoder *encoder, |
34 | struct intel_crtc_state *pipe_config) |
34 | struct intel_crtc_state *pipe_config) |
35 | { |
35 | { |
36 | struct drm_device *dev = encoder->base.dev; |
36 | struct drm_device *dev = encoder->base.dev; |
37 | struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); |
37 | struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); |
38 | struct intel_digital_port *intel_dig_port = intel_mst->primary; |
38 | struct intel_digital_port *intel_dig_port = intel_mst->primary; |
39 | struct intel_dp *intel_dp = &intel_dig_port->dp; |
39 | struct intel_dp *intel_dp = &intel_dig_port->dp; |
40 | struct drm_atomic_state *state; |
40 | struct drm_atomic_state *state; |
41 | int bpp, i; |
41 | int bpp, i; |
42 | int lane_count, slots; |
42 | int lane_count, slots; |
43 | const struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; |
43 | const struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; |
44 | struct drm_connector *drm_connector; |
44 | struct drm_connector *drm_connector; |
45 | struct intel_connector *connector, *found = NULL; |
45 | struct intel_connector *connector, *found = NULL; |
46 | struct drm_connector_state *connector_state; |
46 | struct drm_connector_state *connector_state; |
47 | int mst_pbn; |
47 | int mst_pbn; |
48 | 48 | ||
49 | pipe_config->dp_encoder_is_mst = true; |
49 | pipe_config->dp_encoder_is_mst = true; |
50 | pipe_config->has_pch_encoder = false; |
50 | pipe_config->has_pch_encoder = false; |
51 | pipe_config->has_dp_encoder = true; |
51 | pipe_config->has_dp_encoder = true; |
52 | bpp = 24; |
52 | bpp = 24; |
53 | /* |
53 | /* |
54 | * for MST we always configure max link bw - the spec doesn't |
54 | * for MST we always configure max link bw - the spec doesn't |
55 | * seem to suggest we should do otherwise. |
55 | * seem to suggest we should do otherwise. |
56 | */ |
56 | */ |
57 | lane_count = drm_dp_max_lane_count(intel_dp->dpcd); |
57 | lane_count = drm_dp_max_lane_count(intel_dp->dpcd); |
58 | 58 | ||
59 | 59 | ||
60 | pipe_config->lane_count = lane_count; |
60 | pipe_config->lane_count = lane_count; |
61 | 61 | ||
62 | pipe_config->pipe_bpp = 24; |
62 | pipe_config->pipe_bpp = 24; |
63 | pipe_config->port_clock = intel_dp_max_link_rate(intel_dp); |
63 | pipe_config->port_clock = intel_dp_max_link_rate(intel_dp); |
64 | 64 | ||
65 | state = pipe_config->base.state; |
65 | state = pipe_config->base.state; |
66 | 66 | ||
67 | for_each_connector_in_state(state, drm_connector, connector_state, i) { |
67 | for_each_connector_in_state(state, drm_connector, connector_state, i) { |
68 | connector = to_intel_connector(drm_connector); |
68 | connector = to_intel_connector(drm_connector); |
69 | 69 | ||
70 | if (connector_state->best_encoder == &encoder->base) { |
70 | if (connector_state->best_encoder == &encoder->base) { |
71 | found = connector; |
71 | found = connector; |
72 | break; |
72 | break; |
73 | } |
73 | } |
74 | } |
74 | } |
75 | 75 | ||
76 | if (!found) { |
76 | if (!found) { |
77 | DRM_ERROR("can't find connector\n"); |
77 | DRM_ERROR("can't find connector\n"); |
78 | return false; |
78 | return false; |
79 | } |
79 | } |
80 | 80 | ||
81 | mst_pbn = drm_dp_calc_pbn_mode(adjusted_mode->crtc_clock, bpp); |
81 | mst_pbn = drm_dp_calc_pbn_mode(adjusted_mode->crtc_clock, bpp); |
82 | 82 | ||
83 | pipe_config->pbn = mst_pbn; |
83 | pipe_config->pbn = mst_pbn; |
84 | slots = drm_dp_find_vcpi_slots(&intel_dp->mst_mgr, mst_pbn); |
84 | slots = drm_dp_find_vcpi_slots(&intel_dp->mst_mgr, mst_pbn); |
85 | 85 | ||
86 | intel_link_compute_m_n(bpp, lane_count, |
86 | intel_link_compute_m_n(bpp, lane_count, |
87 | adjusted_mode->crtc_clock, |
87 | adjusted_mode->crtc_clock, |
88 | pipe_config->port_clock, |
88 | pipe_config->port_clock, |
89 | &pipe_config->dp_m_n); |
89 | &pipe_config->dp_m_n); |
90 | 90 | ||
91 | pipe_config->dp_m_n.tu = slots; |
91 | pipe_config->dp_m_n.tu = slots; |
92 | 92 | ||
93 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
93 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
94 | hsw_dp_set_ddi_pll_sel(pipe_config); |
94 | hsw_dp_set_ddi_pll_sel(pipe_config); |
95 | 95 | ||
96 | return true; |
96 | return true; |
97 | 97 | ||
98 | } |
98 | } |
99 | 99 | ||
100 | static void intel_mst_disable_dp(struct intel_encoder *encoder) |
100 | static void intel_mst_disable_dp(struct intel_encoder *encoder) |
101 | { |
101 | { |
102 | struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); |
102 | struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); |
103 | struct intel_digital_port *intel_dig_port = intel_mst->primary; |
103 | struct intel_digital_port *intel_dig_port = intel_mst->primary; |
104 | struct intel_dp *intel_dp = &intel_dig_port->dp; |
104 | struct intel_dp *intel_dp = &intel_dig_port->dp; |
105 | int ret; |
105 | int ret; |
106 | 106 | ||
107 | DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); |
107 | DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); |
108 | 108 | ||
109 | drm_dp_mst_reset_vcpi_slots(&intel_dp->mst_mgr, intel_mst->port); |
109 | drm_dp_mst_reset_vcpi_slots(&intel_dp->mst_mgr, intel_mst->port); |
110 | 110 | ||
111 | ret = drm_dp_update_payload_part1(&intel_dp->mst_mgr); |
111 | ret = drm_dp_update_payload_part1(&intel_dp->mst_mgr); |
112 | if (ret) { |
112 | if (ret) { |
113 | DRM_ERROR("failed to update payload %d\n", ret); |
113 | DRM_ERROR("failed to update payload %d\n", ret); |
114 | } |
114 | } |
115 | } |
115 | } |
116 | 116 | ||
117 | static void intel_mst_post_disable_dp(struct intel_encoder *encoder) |
117 | static void intel_mst_post_disable_dp(struct intel_encoder *encoder) |
118 | { |
118 | { |
119 | struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); |
119 | struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); |
120 | struct intel_digital_port *intel_dig_port = intel_mst->primary; |
120 | struct intel_digital_port *intel_dig_port = intel_mst->primary; |
121 | struct intel_dp *intel_dp = &intel_dig_port->dp; |
121 | struct intel_dp *intel_dp = &intel_dig_port->dp; |
122 | 122 | ||
123 | DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); |
123 | DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); |
124 | 124 | ||
125 | /* this can fail */ |
125 | /* this can fail */ |
126 | drm_dp_check_act_status(&intel_dp->mst_mgr); |
126 | drm_dp_check_act_status(&intel_dp->mst_mgr); |
127 | /* and this can also fail */ |
127 | /* and this can also fail */ |
128 | drm_dp_update_payload_part2(&intel_dp->mst_mgr); |
128 | drm_dp_update_payload_part2(&intel_dp->mst_mgr); |
129 | 129 | ||
130 | drm_dp_mst_deallocate_vcpi(&intel_dp->mst_mgr, intel_mst->port); |
130 | drm_dp_mst_deallocate_vcpi(&intel_dp->mst_mgr, intel_mst->port); |
131 | 131 | ||
132 | intel_dp->active_mst_links--; |
132 | intel_dp->active_mst_links--; |
133 | intel_mst->port = NULL; |
133 | intel_mst->port = NULL; |
134 | if (intel_dp->active_mst_links == 0) { |
134 | if (intel_dp->active_mst_links == 0) { |
135 | intel_dig_port->base.post_disable(&intel_dig_port->base); |
135 | intel_dig_port->base.post_disable(&intel_dig_port->base); |
136 | intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF); |
136 | intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF); |
137 | } |
137 | } |
138 | } |
138 | } |
139 | 139 | ||
140 | static void intel_mst_pre_enable_dp(struct intel_encoder *encoder) |
140 | static void intel_mst_pre_enable_dp(struct intel_encoder *encoder) |
141 | { |
141 | { |
142 | struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); |
142 | struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); |
143 | struct intel_digital_port *intel_dig_port = intel_mst->primary; |
143 | struct intel_digital_port *intel_dig_port = intel_mst->primary; |
144 | struct intel_dp *intel_dp = &intel_dig_port->dp; |
144 | struct intel_dp *intel_dp = &intel_dig_port->dp; |
145 | struct drm_device *dev = encoder->base.dev; |
145 | struct drm_device *dev = encoder->base.dev; |
146 | struct drm_i915_private *dev_priv = dev->dev_private; |
146 | struct drm_i915_private *dev_priv = dev->dev_private; |
147 | enum port port = intel_dig_port->port; |
147 | enum port port = intel_dig_port->port; |
148 | int ret; |
148 | int ret; |
149 | uint32_t temp; |
149 | uint32_t temp; |
150 | struct intel_connector *found = NULL, *connector; |
150 | struct intel_connector *found = NULL, *connector; |
151 | int slots; |
151 | int slots; |
152 | struct drm_crtc *crtc = encoder->base.crtc; |
152 | struct drm_crtc *crtc = encoder->base.crtc; |
153 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
153 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
154 | 154 | ||
155 | for_each_intel_connector(dev, connector) { |
155 | for_each_intel_connector(dev, connector) { |
156 | if (connector->base.state->best_encoder == &encoder->base) { |
156 | if (connector->base.state->best_encoder == &encoder->base) { |
157 | found = connector; |
157 | found = connector; |
158 | break; |
158 | break; |
159 | } |
159 | } |
160 | } |
160 | } |
161 | 161 | ||
162 | if (!found) { |
162 | if (!found) { |
163 | DRM_ERROR("can't find connector\n"); |
163 | DRM_ERROR("can't find connector\n"); |
164 | return; |
164 | return; |
165 | } |
165 | } |
166 | 166 | ||
167 | /* MST encoders are bound to a crtc, not to a connector, |
167 | /* MST encoders are bound to a crtc, not to a connector, |
168 | * force the mapping here for get_hw_state. |
168 | * force the mapping here for get_hw_state. |
169 | */ |
169 | */ |
170 | found->encoder = encoder; |
170 | found->encoder = encoder; |
171 | 171 | ||
172 | DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); |
172 | DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); |
173 | intel_mst->port = found->port; |
173 | intel_mst->port = found->port; |
174 | 174 | ||
175 | if (intel_dp->active_mst_links == 0) { |
175 | if (intel_dp->active_mst_links == 0) { |
176 | enum port port = intel_ddi_get_encoder_port(encoder); |
176 | intel_ddi_clk_select(&intel_dig_port->base, intel_crtc->config); |
177 | 177 | ||
178 | intel_dp_set_link_params(intel_dp, intel_crtc->config); |
178 | intel_dp_set_link_params(intel_dp, intel_crtc->config); |
179 | - | ||
180 | /* FIXME: add support for SKL */ |
- | |
181 | if (INTEL_INFO(dev)->gen < 9) |
- | |
182 | I915_WRITE(PORT_CLK_SEL(port), |
- | |
183 | intel_crtc->config->ddi_pll_sel); |
- | |
184 | 179 | ||
185 | intel_ddi_init_dp_buf_reg(&intel_dig_port->base); |
180 | intel_ddi_init_dp_buf_reg(&intel_dig_port->base); |
186 | 181 | ||
187 | intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); |
182 | intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); |
188 | - | ||
189 | 183 | ||
190 | intel_dp_start_link_train(intel_dp); |
184 | intel_dp_start_link_train(intel_dp); |
191 | intel_dp_stop_link_train(intel_dp); |
185 | intel_dp_stop_link_train(intel_dp); |
192 | } |
186 | } |
193 | 187 | ||
194 | ret = drm_dp_mst_allocate_vcpi(&intel_dp->mst_mgr, |
188 | ret = drm_dp_mst_allocate_vcpi(&intel_dp->mst_mgr, |
195 | intel_mst->port, |
189 | intel_mst->port, |
196 | intel_crtc->config->pbn, &slots); |
190 | intel_crtc->config->pbn, &slots); |
197 | if (ret == false) { |
191 | if (ret == false) { |
198 | DRM_ERROR("failed to allocate vcpi\n"); |
192 | DRM_ERROR("failed to allocate vcpi\n"); |
199 | return; |
193 | return; |
200 | } |
194 | } |
201 | 195 | ||
202 | 196 | ||
203 | intel_dp->active_mst_links++; |
197 | intel_dp->active_mst_links++; |
204 | temp = I915_READ(DP_TP_STATUS(port)); |
198 | temp = I915_READ(DP_TP_STATUS(port)); |
205 | I915_WRITE(DP_TP_STATUS(port), temp); |
199 | I915_WRITE(DP_TP_STATUS(port), temp); |
206 | 200 | ||
207 | ret = drm_dp_update_payload_part1(&intel_dp->mst_mgr); |
201 | ret = drm_dp_update_payload_part1(&intel_dp->mst_mgr); |
208 | } |
202 | } |
209 | 203 | ||
210 | static void intel_mst_enable_dp(struct intel_encoder *encoder) |
204 | static void intel_mst_enable_dp(struct intel_encoder *encoder) |
211 | { |
205 | { |
212 | struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); |
206 | struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); |
213 | struct intel_digital_port *intel_dig_port = intel_mst->primary; |
207 | struct intel_digital_port *intel_dig_port = intel_mst->primary; |
214 | struct intel_dp *intel_dp = &intel_dig_port->dp; |
208 | struct intel_dp *intel_dp = &intel_dig_port->dp; |
215 | struct drm_device *dev = intel_dig_port->base.base.dev; |
209 | struct drm_device *dev = intel_dig_port->base.base.dev; |
216 | struct drm_i915_private *dev_priv = dev->dev_private; |
210 | struct drm_i915_private *dev_priv = dev->dev_private; |
217 | enum port port = intel_dig_port->port; |
211 | enum port port = intel_dig_port->port; |
218 | int ret; |
212 | int ret; |
219 | 213 | ||
220 | DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); |
214 | DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); |
221 | 215 | ||
222 | if (wait_for((I915_READ(DP_TP_STATUS(port)) & DP_TP_STATUS_ACT_SENT), |
216 | if (wait_for((I915_READ(DP_TP_STATUS(port)) & DP_TP_STATUS_ACT_SENT), |
223 | 1)) |
217 | 1)) |
224 | DRM_ERROR("Timed out waiting for ACT sent\n"); |
218 | DRM_ERROR("Timed out waiting for ACT sent\n"); |
225 | 219 | ||
226 | ret = drm_dp_check_act_status(&intel_dp->mst_mgr); |
220 | ret = drm_dp_check_act_status(&intel_dp->mst_mgr); |
227 | 221 | ||
228 | ret = drm_dp_update_payload_part2(&intel_dp->mst_mgr); |
222 | ret = drm_dp_update_payload_part2(&intel_dp->mst_mgr); |
229 | } |
223 | } |
230 | 224 | ||
231 | static bool intel_dp_mst_enc_get_hw_state(struct intel_encoder *encoder, |
225 | static bool intel_dp_mst_enc_get_hw_state(struct intel_encoder *encoder, |
232 | enum pipe *pipe) |
226 | enum pipe *pipe) |
233 | { |
227 | { |
234 | struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); |
228 | struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); |
235 | *pipe = intel_mst->pipe; |
229 | *pipe = intel_mst->pipe; |
236 | if (intel_mst->port) |
230 | if (intel_mst->port) |
237 | return true; |
231 | return true; |
238 | return false; |
232 | return false; |
239 | } |
233 | } |
240 | 234 | ||
241 | static void intel_dp_mst_enc_get_config(struct intel_encoder *encoder, |
235 | static void intel_dp_mst_enc_get_config(struct intel_encoder *encoder, |
242 | struct intel_crtc_state *pipe_config) |
236 | struct intel_crtc_state *pipe_config) |
243 | { |
237 | { |
244 | struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); |
238 | struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); |
245 | struct intel_digital_port *intel_dig_port = intel_mst->primary; |
239 | struct intel_digital_port *intel_dig_port = intel_mst->primary; |
246 | struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); |
240 | struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); |
247 | struct drm_device *dev = encoder->base.dev; |
241 | struct drm_device *dev = encoder->base.dev; |
248 | struct drm_i915_private *dev_priv = dev->dev_private; |
242 | struct drm_i915_private *dev_priv = dev->dev_private; |
249 | enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; |
243 | enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; |
250 | u32 temp, flags = 0; |
244 | u32 temp, flags = 0; |
251 | 245 | ||
252 | pipe_config->has_dp_encoder = true; |
246 | pipe_config->has_dp_encoder = true; |
253 | 247 | ||
254 | temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); |
248 | temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); |
255 | if (temp & TRANS_DDI_PHSYNC) |
249 | if (temp & TRANS_DDI_PHSYNC) |
256 | flags |= DRM_MODE_FLAG_PHSYNC; |
250 | flags |= DRM_MODE_FLAG_PHSYNC; |
257 | else |
251 | else |
258 | flags |= DRM_MODE_FLAG_NHSYNC; |
252 | flags |= DRM_MODE_FLAG_NHSYNC; |
259 | if (temp & TRANS_DDI_PVSYNC) |
253 | if (temp & TRANS_DDI_PVSYNC) |
260 | flags |= DRM_MODE_FLAG_PVSYNC; |
254 | flags |= DRM_MODE_FLAG_PVSYNC; |
261 | else |
255 | else |
262 | flags |= DRM_MODE_FLAG_NVSYNC; |
256 | flags |= DRM_MODE_FLAG_NVSYNC; |
263 | 257 | ||
264 | switch (temp & TRANS_DDI_BPC_MASK) { |
258 | switch (temp & TRANS_DDI_BPC_MASK) { |
265 | case TRANS_DDI_BPC_6: |
259 | case TRANS_DDI_BPC_6: |
266 | pipe_config->pipe_bpp = 18; |
260 | pipe_config->pipe_bpp = 18; |
267 | break; |
261 | break; |
268 | case TRANS_DDI_BPC_8: |
262 | case TRANS_DDI_BPC_8: |
269 | pipe_config->pipe_bpp = 24; |
263 | pipe_config->pipe_bpp = 24; |
270 | break; |
264 | break; |
271 | case TRANS_DDI_BPC_10: |
265 | case TRANS_DDI_BPC_10: |
272 | pipe_config->pipe_bpp = 30; |
266 | pipe_config->pipe_bpp = 30; |
273 | break; |
267 | break; |
274 | case TRANS_DDI_BPC_12: |
268 | case TRANS_DDI_BPC_12: |
275 | pipe_config->pipe_bpp = 36; |
269 | pipe_config->pipe_bpp = 36; |
276 | break; |
270 | break; |
277 | default: |
271 | default: |
278 | break; |
272 | break; |
279 | } |
273 | } |
280 | pipe_config->base.adjusted_mode.flags |= flags; |
274 | pipe_config->base.adjusted_mode.flags |= flags; |
281 | 275 | ||
282 | pipe_config->lane_count = |
276 | pipe_config->lane_count = |
283 | ((temp & DDI_PORT_WIDTH_MASK) >> DDI_PORT_WIDTH_SHIFT) + 1; |
277 | ((temp & DDI_PORT_WIDTH_MASK) >> DDI_PORT_WIDTH_SHIFT) + 1; |
284 | 278 | ||
285 | intel_dp_get_m_n(crtc, pipe_config); |
279 | intel_dp_get_m_n(crtc, pipe_config); |
286 | 280 | ||
287 | intel_ddi_clock_get(&intel_dig_port->base, pipe_config); |
281 | intel_ddi_clock_get(&intel_dig_port->base, pipe_config); |
288 | } |
282 | } |
289 | 283 | ||
290 | static int intel_dp_mst_get_ddc_modes(struct drm_connector *connector) |
284 | static int intel_dp_mst_get_ddc_modes(struct drm_connector *connector) |
291 | { |
285 | { |
292 | struct intel_connector *intel_connector = to_intel_connector(connector); |
286 | struct intel_connector *intel_connector = to_intel_connector(connector); |
293 | struct intel_dp *intel_dp = intel_connector->mst_port; |
287 | struct intel_dp *intel_dp = intel_connector->mst_port; |
294 | struct edid *edid; |
288 | struct edid *edid; |
295 | int ret; |
289 | int ret; |
296 | 290 | ||
297 | edid = drm_dp_mst_get_edid(connector, &intel_dp->mst_mgr, intel_connector->port); |
291 | edid = drm_dp_mst_get_edid(connector, &intel_dp->mst_mgr, intel_connector->port); |
298 | if (!edid) |
292 | if (!edid) |
299 | return 0; |
293 | return 0; |
300 | 294 | ||
301 | ret = intel_connector_update_modes(connector, edid); |
295 | ret = intel_connector_update_modes(connector, edid); |
302 | kfree(edid); |
296 | kfree(edid); |
303 | 297 | ||
304 | return ret; |
298 | return ret; |
305 | } |
299 | } |
306 | 300 | ||
307 | static enum drm_connector_status |
301 | static enum drm_connector_status |
308 | intel_dp_mst_detect(struct drm_connector *connector, bool force) |
302 | intel_dp_mst_detect(struct drm_connector *connector, bool force) |
309 | { |
303 | { |
310 | struct intel_connector *intel_connector = to_intel_connector(connector); |
304 | struct intel_connector *intel_connector = to_intel_connector(connector); |
311 | struct intel_dp *intel_dp = intel_connector->mst_port; |
305 | struct intel_dp *intel_dp = intel_connector->mst_port; |
312 | 306 | ||
313 | return drm_dp_mst_detect_port(connector, &intel_dp->mst_mgr, intel_connector->port); |
307 | return drm_dp_mst_detect_port(connector, &intel_dp->mst_mgr, intel_connector->port); |
314 | } |
308 | } |
315 | 309 | ||
316 | static int |
310 | static int |
317 | intel_dp_mst_set_property(struct drm_connector *connector, |
311 | intel_dp_mst_set_property(struct drm_connector *connector, |
318 | struct drm_property *property, |
312 | struct drm_property *property, |
319 | uint64_t val) |
313 | uint64_t val) |
320 | { |
314 | { |
321 | return 0; |
315 | return 0; |
322 | } |
316 | } |
323 | 317 | ||
324 | static void |
318 | static void |
325 | intel_dp_mst_connector_destroy(struct drm_connector *connector) |
319 | intel_dp_mst_connector_destroy(struct drm_connector *connector) |
326 | { |
320 | { |
327 | struct intel_connector *intel_connector = to_intel_connector(connector); |
321 | struct intel_connector *intel_connector = to_intel_connector(connector); |
328 | 322 | ||
329 | if (!IS_ERR_OR_NULL(intel_connector->edid)) |
323 | if (!IS_ERR_OR_NULL(intel_connector->edid)) |
330 | kfree(intel_connector->edid); |
324 | kfree(intel_connector->edid); |
331 | 325 | ||
332 | drm_connector_cleanup(connector); |
326 | drm_connector_cleanup(connector); |
333 | kfree(connector); |
327 | kfree(connector); |
334 | } |
328 | } |
335 | 329 | ||
336 | static const struct drm_connector_funcs intel_dp_mst_connector_funcs = { |
330 | static const struct drm_connector_funcs intel_dp_mst_connector_funcs = { |
337 | .dpms = drm_atomic_helper_connector_dpms, |
331 | .dpms = drm_atomic_helper_connector_dpms, |
338 | .detect = intel_dp_mst_detect, |
332 | .detect = intel_dp_mst_detect, |
339 | .fill_modes = drm_helper_probe_single_connector_modes, |
333 | .fill_modes = drm_helper_probe_single_connector_modes, |
340 | .set_property = intel_dp_mst_set_property, |
334 | .set_property = intel_dp_mst_set_property, |
341 | .atomic_get_property = intel_connector_atomic_get_property, |
335 | .atomic_get_property = intel_connector_atomic_get_property, |
342 | .destroy = intel_dp_mst_connector_destroy, |
336 | .destroy = intel_dp_mst_connector_destroy, |
343 | .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, |
337 | .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, |
344 | .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, |
338 | .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, |
345 | }; |
339 | }; |
346 | 340 | ||
347 | static int intel_dp_mst_get_modes(struct drm_connector *connector) |
341 | static int intel_dp_mst_get_modes(struct drm_connector *connector) |
348 | { |
342 | { |
349 | return intel_dp_mst_get_ddc_modes(connector); |
343 | return intel_dp_mst_get_ddc_modes(connector); |
350 | } |
344 | } |
351 | 345 | ||
352 | static enum drm_mode_status |
346 | static enum drm_mode_status |
353 | intel_dp_mst_mode_valid(struct drm_connector *connector, |
347 | intel_dp_mst_mode_valid(struct drm_connector *connector, |
354 | struct drm_display_mode *mode) |
348 | struct drm_display_mode *mode) |
355 | { |
349 | { |
356 | /* TODO - validate mode against available PBN for link */ |
350 | /* TODO - validate mode against available PBN for link */ |
357 | if (mode->clock < 10000) |
351 | if (mode->clock < 10000) |
358 | return MODE_CLOCK_LOW; |
352 | return MODE_CLOCK_LOW; |
359 | 353 | ||
360 | if (mode->flags & DRM_MODE_FLAG_DBLCLK) |
354 | if (mode->flags & DRM_MODE_FLAG_DBLCLK) |
361 | return MODE_H_ILLEGAL; |
355 | return MODE_H_ILLEGAL; |
362 | 356 | ||
363 | return MODE_OK; |
357 | return MODE_OK; |
364 | } |
358 | } |
365 | 359 | ||
366 | static struct drm_encoder *intel_mst_atomic_best_encoder(struct drm_connector *connector, |
360 | static struct drm_encoder *intel_mst_atomic_best_encoder(struct drm_connector *connector, |
367 | struct drm_connector_state *state) |
361 | struct drm_connector_state *state) |
368 | { |
362 | { |
369 | struct intel_connector *intel_connector = to_intel_connector(connector); |
363 | struct intel_connector *intel_connector = to_intel_connector(connector); |
370 | struct intel_dp *intel_dp = intel_connector->mst_port; |
364 | struct intel_dp *intel_dp = intel_connector->mst_port; |
371 | struct intel_crtc *crtc = to_intel_crtc(state->crtc); |
365 | struct intel_crtc *crtc = to_intel_crtc(state->crtc); |
372 | 366 | ||
373 | return &intel_dp->mst_encoders[crtc->pipe]->base.base; |
367 | return &intel_dp->mst_encoders[crtc->pipe]->base.base; |
374 | } |
368 | } |
375 | 369 | ||
376 | static struct drm_encoder *intel_mst_best_encoder(struct drm_connector *connector) |
370 | static struct drm_encoder *intel_mst_best_encoder(struct drm_connector *connector) |
377 | { |
371 | { |
378 | struct intel_connector *intel_connector = to_intel_connector(connector); |
372 | struct intel_connector *intel_connector = to_intel_connector(connector); |
379 | struct intel_dp *intel_dp = intel_connector->mst_port; |
373 | struct intel_dp *intel_dp = intel_connector->mst_port; |
380 | return &intel_dp->mst_encoders[0]->base.base; |
374 | return &intel_dp->mst_encoders[0]->base.base; |
381 | } |
375 | } |
382 | 376 | ||
383 | static const struct drm_connector_helper_funcs intel_dp_mst_connector_helper_funcs = { |
377 | static const struct drm_connector_helper_funcs intel_dp_mst_connector_helper_funcs = { |
384 | .get_modes = intel_dp_mst_get_modes, |
378 | .get_modes = intel_dp_mst_get_modes, |
385 | .mode_valid = intel_dp_mst_mode_valid, |
379 | .mode_valid = intel_dp_mst_mode_valid, |
386 | .atomic_best_encoder = intel_mst_atomic_best_encoder, |
380 | .atomic_best_encoder = intel_mst_atomic_best_encoder, |
387 | .best_encoder = intel_mst_best_encoder, |
381 | .best_encoder = intel_mst_best_encoder, |
388 | }; |
382 | }; |
389 | 383 | ||
390 | static void intel_dp_mst_encoder_destroy(struct drm_encoder *encoder) |
384 | static void intel_dp_mst_encoder_destroy(struct drm_encoder *encoder) |
391 | { |
385 | { |
392 | struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder); |
386 | struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder); |
393 | 387 | ||
394 | drm_encoder_cleanup(encoder); |
388 | drm_encoder_cleanup(encoder); |
395 | kfree(intel_mst); |
389 | kfree(intel_mst); |
396 | } |
390 | } |
397 | 391 | ||
398 | static const struct drm_encoder_funcs intel_dp_mst_enc_funcs = { |
392 | static const struct drm_encoder_funcs intel_dp_mst_enc_funcs = { |
399 | .destroy = intel_dp_mst_encoder_destroy, |
393 | .destroy = intel_dp_mst_encoder_destroy, |
400 | }; |
394 | }; |
401 | 395 | ||
402 | static bool intel_dp_mst_get_hw_state(struct intel_connector *connector) |
396 | static bool intel_dp_mst_get_hw_state(struct intel_connector *connector) |
403 | { |
397 | { |
404 | if (connector->encoder && connector->base.state->crtc) { |
398 | if (connector->encoder && connector->base.state->crtc) { |
405 | enum pipe pipe; |
399 | enum pipe pipe; |
406 | if (!connector->encoder->get_hw_state(connector->encoder, &pipe)) |
400 | if (!connector->encoder->get_hw_state(connector->encoder, &pipe)) |
407 | return false; |
401 | return false; |
408 | return true; |
402 | return true; |
409 | } |
403 | } |
410 | return false; |
404 | return false; |
411 | } |
405 | } |
412 | 406 | ||
413 | static void intel_connector_add_to_fbdev(struct intel_connector *connector) |
407 | static void intel_connector_add_to_fbdev(struct intel_connector *connector) |
414 | { |
408 | { |
415 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
409 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
416 | struct drm_i915_private *dev_priv = to_i915(connector->base.dev); |
410 | struct drm_i915_private *dev_priv = to_i915(connector->base.dev); |
- | 411 | ||
- | 412 | if (dev_priv->fbdev) |
|
417 | drm_fb_helper_add_one_connector(&dev_priv->fbdev->helper, &connector->base); |
413 | drm_fb_helper_add_one_connector(&dev_priv->fbdev->helper, |
- | 414 | &connector->base); |
|
418 | #endif |
415 | #endif |
419 | } |
416 | } |
420 | 417 | ||
421 | static void intel_connector_remove_from_fbdev(struct intel_connector *connector) |
418 | static void intel_connector_remove_from_fbdev(struct intel_connector *connector) |
422 | { |
419 | { |
423 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
420 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
424 | struct drm_i915_private *dev_priv = to_i915(connector->base.dev); |
421 | struct drm_i915_private *dev_priv = to_i915(connector->base.dev); |
- | 422 | ||
- | 423 | if (dev_priv->fbdev) |
|
425 | drm_fb_helper_remove_one_connector(&dev_priv->fbdev->helper, &connector->base); |
424 | drm_fb_helper_remove_one_connector(&dev_priv->fbdev->helper, |
- | 425 | &connector->base); |
|
426 | #endif |
426 | #endif |
427 | } |
427 | } |
428 | 428 | ||
429 | static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port, const char *pathprop) |
429 | static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port, const char *pathprop) |
430 | { |
430 | { |
431 | struct intel_dp *intel_dp = container_of(mgr, struct intel_dp, mst_mgr); |
431 | struct intel_dp *intel_dp = container_of(mgr, struct intel_dp, mst_mgr); |
432 | struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); |
432 | struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); |
433 | struct drm_device *dev = intel_dig_port->base.base.dev; |
433 | struct drm_device *dev = intel_dig_port->base.base.dev; |
434 | struct intel_connector *intel_connector; |
434 | struct intel_connector *intel_connector; |
435 | struct drm_connector *connector; |
435 | struct drm_connector *connector; |
436 | int i; |
436 | int i; |
437 | 437 | ||
438 | intel_connector = intel_connector_alloc(); |
438 | intel_connector = intel_connector_alloc(); |
439 | if (!intel_connector) |
439 | if (!intel_connector) |
440 | return NULL; |
440 | return NULL; |
441 | 441 | ||
442 | connector = &intel_connector->base; |
442 | connector = &intel_connector->base; |
443 | drm_connector_init(dev, connector, &intel_dp_mst_connector_funcs, DRM_MODE_CONNECTOR_DisplayPort); |
443 | drm_connector_init(dev, connector, &intel_dp_mst_connector_funcs, DRM_MODE_CONNECTOR_DisplayPort); |
444 | drm_connector_helper_add(connector, &intel_dp_mst_connector_helper_funcs); |
444 | drm_connector_helper_add(connector, &intel_dp_mst_connector_helper_funcs); |
445 | 445 | ||
446 | intel_connector->unregister = intel_connector_unregister; |
446 | intel_connector->unregister = intel_connector_unregister; |
447 | intel_connector->get_hw_state = intel_dp_mst_get_hw_state; |
447 | intel_connector->get_hw_state = intel_dp_mst_get_hw_state; |
448 | intel_connector->mst_port = intel_dp; |
448 | intel_connector->mst_port = intel_dp; |
449 | intel_connector->port = port; |
449 | intel_connector->port = port; |
450 | 450 | ||
451 | for (i = PIPE_A; i <= PIPE_C; i++) { |
451 | for (i = PIPE_A; i <= PIPE_C; i++) { |
452 | drm_mode_connector_attach_encoder(&intel_connector->base, |
452 | drm_mode_connector_attach_encoder(&intel_connector->base, |
453 | &intel_dp->mst_encoders[i]->base.base); |
453 | &intel_dp->mst_encoders[i]->base.base); |
454 | } |
454 | } |
455 | intel_dp_add_properties(intel_dp, connector); |
455 | intel_dp_add_properties(intel_dp, connector); |
456 | 456 | ||
457 | drm_object_attach_property(&connector->base, dev->mode_config.path_property, 0); |
457 | drm_object_attach_property(&connector->base, dev->mode_config.path_property, 0); |
458 | drm_object_attach_property(&connector->base, dev->mode_config.tile_property, 0); |
458 | drm_object_attach_property(&connector->base, dev->mode_config.tile_property, 0); |
459 | 459 | ||
460 | drm_mode_connector_set_path_property(connector, pathprop); |
460 | drm_mode_connector_set_path_property(connector, pathprop); |
461 | return connector; |
461 | return connector; |
462 | } |
462 | } |
463 | 463 | ||
464 | static void intel_dp_register_mst_connector(struct drm_connector *connector) |
464 | static void intel_dp_register_mst_connector(struct drm_connector *connector) |
465 | { |
465 | { |
466 | struct intel_connector *intel_connector = to_intel_connector(connector); |
466 | struct intel_connector *intel_connector = to_intel_connector(connector); |
467 | struct drm_device *dev = connector->dev; |
467 | struct drm_device *dev = connector->dev; |
468 | drm_modeset_lock_all(dev); |
468 | drm_modeset_lock_all(dev); |
469 | intel_connector_add_to_fbdev(intel_connector); |
469 | intel_connector_add_to_fbdev(intel_connector); |
470 | drm_modeset_unlock_all(dev); |
470 | drm_modeset_unlock_all(dev); |
471 | drm_connector_register(&intel_connector->base); |
471 | drm_connector_register(&intel_connector->base); |
472 | } |
472 | } |
473 | 473 | ||
474 | static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr, |
474 | static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr, |
475 | struct drm_connector *connector) |
475 | struct drm_connector *connector) |
476 | { |
476 | { |
477 | struct intel_connector *intel_connector = to_intel_connector(connector); |
477 | struct intel_connector *intel_connector = to_intel_connector(connector); |
478 | struct drm_device *dev = connector->dev; |
478 | struct drm_device *dev = connector->dev; |
479 | 479 | ||
480 | intel_connector->unregister(intel_connector); |
480 | intel_connector->unregister(intel_connector); |
481 | 481 | ||
482 | /* need to nuke the connector */ |
482 | /* need to nuke the connector */ |
483 | drm_modeset_lock_all(dev); |
483 | drm_modeset_lock_all(dev); |
484 | if (connector->state->crtc) { |
484 | if (connector->state->crtc) { |
485 | struct drm_mode_set set; |
485 | struct drm_mode_set set; |
486 | int ret; |
486 | int ret; |
487 | 487 | ||
488 | memset(&set, 0, sizeof(set)); |
488 | memset(&set, 0, sizeof(set)); |
489 | set.crtc = connector->state->crtc, |
489 | set.crtc = connector->state->crtc, |
490 | 490 | ||
491 | ret = drm_atomic_helper_set_config(&set); |
491 | ret = drm_atomic_helper_set_config(&set); |
492 | 492 | ||
493 | WARN(ret, "Disabling mst crtc failed with %i\n", ret); |
493 | WARN(ret, "Disabling mst crtc failed with %i\n", ret); |
494 | } |
494 | } |
495 | 495 | ||
496 | intel_connector_remove_from_fbdev(intel_connector); |
496 | intel_connector_remove_from_fbdev(intel_connector); |
497 | drm_connector_cleanup(connector); |
497 | drm_connector_cleanup(connector); |
498 | drm_modeset_unlock_all(dev); |
498 | drm_modeset_unlock_all(dev); |
499 | 499 | ||
500 | kfree(intel_connector); |
500 | kfree(intel_connector); |
501 | DRM_DEBUG_KMS("\n"); |
501 | DRM_DEBUG_KMS("\n"); |
502 | } |
502 | } |
503 | 503 | ||
504 | static void intel_dp_mst_hotplug(struct drm_dp_mst_topology_mgr *mgr) |
504 | static void intel_dp_mst_hotplug(struct drm_dp_mst_topology_mgr *mgr) |
505 | { |
505 | { |
506 | struct intel_dp *intel_dp = container_of(mgr, struct intel_dp, mst_mgr); |
506 | struct intel_dp *intel_dp = container_of(mgr, struct intel_dp, mst_mgr); |
507 | struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); |
507 | struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); |
508 | struct drm_device *dev = intel_dig_port->base.base.dev; |
508 | struct drm_device *dev = intel_dig_port->base.base.dev; |
509 | 509 | ||
510 | drm_kms_helper_hotplug_event(dev); |
510 | drm_kms_helper_hotplug_event(dev); |
511 | } |
511 | } |
512 | 512 | ||
513 | static struct drm_dp_mst_topology_cbs mst_cbs = { |
513 | static const struct drm_dp_mst_topology_cbs mst_cbs = { |
514 | .add_connector = intel_dp_add_mst_connector, |
514 | .add_connector = intel_dp_add_mst_connector, |
515 | .register_connector = intel_dp_register_mst_connector, |
515 | .register_connector = intel_dp_register_mst_connector, |
516 | .destroy_connector = intel_dp_destroy_mst_connector, |
516 | .destroy_connector = intel_dp_destroy_mst_connector, |
517 | .hotplug = intel_dp_mst_hotplug, |
517 | .hotplug = intel_dp_mst_hotplug, |
518 | }; |
518 | }; |
519 | 519 | ||
520 | static struct intel_dp_mst_encoder * |
520 | static struct intel_dp_mst_encoder * |
521 | intel_dp_create_fake_mst_encoder(struct intel_digital_port *intel_dig_port, enum pipe pipe) |
521 | intel_dp_create_fake_mst_encoder(struct intel_digital_port *intel_dig_port, enum pipe pipe) |
522 | { |
522 | { |
523 | struct intel_dp_mst_encoder *intel_mst; |
523 | struct intel_dp_mst_encoder *intel_mst; |
524 | struct intel_encoder *intel_encoder; |
524 | struct intel_encoder *intel_encoder; |
525 | struct drm_device *dev = intel_dig_port->base.base.dev; |
525 | struct drm_device *dev = intel_dig_port->base.base.dev; |
526 | 526 | ||
527 | intel_mst = kzalloc(sizeof(*intel_mst), GFP_KERNEL); |
527 | intel_mst = kzalloc(sizeof(*intel_mst), GFP_KERNEL); |
528 | 528 | ||
529 | if (!intel_mst) |
529 | if (!intel_mst) |
530 | return NULL; |
530 | return NULL; |
531 | 531 | ||
532 | intel_mst->pipe = pipe; |
532 | intel_mst->pipe = pipe; |
533 | intel_encoder = &intel_mst->base; |
533 | intel_encoder = &intel_mst->base; |
534 | intel_mst->primary = intel_dig_port; |
534 | intel_mst->primary = intel_dig_port; |
535 | 535 | ||
536 | drm_encoder_init(dev, &intel_encoder->base, &intel_dp_mst_enc_funcs, |
536 | drm_encoder_init(dev, &intel_encoder->base, &intel_dp_mst_enc_funcs, |
537 | DRM_MODE_ENCODER_DPMST); |
537 | DRM_MODE_ENCODER_DPMST, NULL); |
538 | 538 | ||
539 | intel_encoder->type = INTEL_OUTPUT_DP_MST; |
539 | intel_encoder->type = INTEL_OUTPUT_DP_MST; |
540 | intel_encoder->crtc_mask = 0x7; |
540 | intel_encoder->crtc_mask = 0x7; |
541 | intel_encoder->cloneable = 0; |
541 | intel_encoder->cloneable = 0; |
542 | 542 | ||
543 | intel_encoder->compute_config = intel_dp_mst_compute_config; |
543 | intel_encoder->compute_config = intel_dp_mst_compute_config; |
544 | intel_encoder->disable = intel_mst_disable_dp; |
544 | intel_encoder->disable = intel_mst_disable_dp; |
545 | intel_encoder->post_disable = intel_mst_post_disable_dp; |
545 | intel_encoder->post_disable = intel_mst_post_disable_dp; |
546 | intel_encoder->pre_enable = intel_mst_pre_enable_dp; |
546 | intel_encoder->pre_enable = intel_mst_pre_enable_dp; |
547 | intel_encoder->enable = intel_mst_enable_dp; |
547 | intel_encoder->enable = intel_mst_enable_dp; |
548 | intel_encoder->get_hw_state = intel_dp_mst_enc_get_hw_state; |
548 | intel_encoder->get_hw_state = intel_dp_mst_enc_get_hw_state; |
549 | intel_encoder->get_config = intel_dp_mst_enc_get_config; |
549 | intel_encoder->get_config = intel_dp_mst_enc_get_config; |
550 | 550 | ||
551 | return intel_mst; |
551 | return intel_mst; |
552 | 552 | ||
553 | } |
553 | } |
554 | 554 | ||
555 | static bool |
555 | static bool |
556 | intel_dp_create_fake_mst_encoders(struct intel_digital_port *intel_dig_port) |
556 | intel_dp_create_fake_mst_encoders(struct intel_digital_port *intel_dig_port) |
557 | { |
557 | { |
558 | int i; |
558 | int i; |
559 | struct intel_dp *intel_dp = &intel_dig_port->dp; |
559 | struct intel_dp *intel_dp = &intel_dig_port->dp; |
560 | 560 | ||
561 | for (i = PIPE_A; i <= PIPE_C; i++) |
561 | for (i = PIPE_A; i <= PIPE_C; i++) |
562 | intel_dp->mst_encoders[i] = intel_dp_create_fake_mst_encoder(intel_dig_port, i); |
562 | intel_dp->mst_encoders[i] = intel_dp_create_fake_mst_encoder(intel_dig_port, i); |
563 | return true; |
563 | return true; |
564 | } |
564 | } |
565 | 565 | ||
566 | int |
566 | int |
567 | intel_dp_mst_encoder_init(struct intel_digital_port *intel_dig_port, int conn_base_id) |
567 | intel_dp_mst_encoder_init(struct intel_digital_port *intel_dig_port, int conn_base_id) |
568 | { |
568 | { |
569 | struct intel_dp *intel_dp = &intel_dig_port->dp; |
569 | struct intel_dp *intel_dp = &intel_dig_port->dp; |
570 | struct drm_device *dev = intel_dig_port->base.base.dev; |
570 | struct drm_device *dev = intel_dig_port->base.base.dev; |
571 | int ret; |
571 | int ret; |
572 | 572 | ||
573 | intel_dp->can_mst = true; |
573 | intel_dp->can_mst = true; |
574 | intel_dp->mst_mgr.cbs = &mst_cbs; |
574 | intel_dp->mst_mgr.cbs = &mst_cbs; |
575 | 575 | ||
576 | /* create encoders */ |
576 | /* create encoders */ |
577 | intel_dp_create_fake_mst_encoders(intel_dig_port); |
577 | intel_dp_create_fake_mst_encoders(intel_dig_port); |
578 | ret = drm_dp_mst_topology_mgr_init(&intel_dp->mst_mgr, dev->dev, &intel_dp->aux, 16, 3, conn_base_id); |
578 | ret = drm_dp_mst_topology_mgr_init(&intel_dp->mst_mgr, dev->dev, &intel_dp->aux, 16, 3, conn_base_id); |
579 | if (ret) { |
579 | if (ret) { |
580 | intel_dp->can_mst = false; |
580 | intel_dp->can_mst = false; |
581 | return ret; |
581 | return ret; |
582 | } |
582 | } |
583 | return 0; |
583 | return 0; |
584 | } |
584 | } |
585 | 585 | ||
586 | void |
586 | void |
587 | intel_dp_mst_encoder_cleanup(struct intel_digital_port *intel_dig_port) |
587 | intel_dp_mst_encoder_cleanup(struct intel_digital_port *intel_dig_port) |
588 | { |
588 | { |
589 | struct intel_dp *intel_dp = &intel_dig_port->dp; |
589 | struct intel_dp *intel_dp = &intel_dig_port->dp; |
590 | 590 | ||
591 | if (!intel_dp->can_mst) |
591 | if (!intel_dp->can_mst) |
592 | return; |
592 | return; |
593 | 593 | ||
594 | drm_dp_mst_topology_mgr_destroy(&intel_dp->mst_mgr); |
594 | drm_dp_mst_topology_mgr_destroy(&intel_dp->mst_mgr); |
595 | /* encoders will get killed by normal cleanup */ |
595 | /* encoders will get killed by normal cleanup */ |
596 | }=>=>>> |
596 | }=>=>> |