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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/ozone/platform/drm/common/drm_util.h" | 5 #include "ui/ozone/platform/drm/common/drm_util.h" |
6 | 6 |
7 #include <drm_fourcc.h> | 7 #include <drm_fourcc.h> |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 #include <stdlib.h> | 9 #include <stdlib.h> |
10 #include <sys/mman.h> | 10 #include <sys/mman.h> |
11 #include <xf86drmMode.h> | 11 #include <xf86drmMode.h> |
12 | 12 |
13 #include "ui/display/util/edid_parser.h" | 13 #include "ui/display/util/edid_parser.h" |
14 | 14 |
15 #if !defined(DRM_MODE_CONNECTOR_DSI) | 15 #if !defined(DRM_MODE_CONNECTOR_DSI) |
16 #define DRM_MODE_CONNECTOR_DSI 16 | 16 #define DRM_MODE_CONNECTOR_DSI 16 |
17 #endif | 17 #endif |
18 | 18 |
19 namespace ui { | 19 namespace ui { |
20 | 20 |
21 namespace { | 21 namespace { |
22 | 22 |
23 bool IsCrtcInUse(uint32_t crtc, | 23 bool IsCrtcInUse(uint32_t crtc, |
24 const ScopedVector<HardwareDisplayControllerInfo>& displays) { | 24 const std::vector<HardwareDisplayControllerInfo>& displays) { |
25 for (size_t i = 0; i < displays.size(); ++i) { | 25 for (const auto& display : displays) { |
26 if (crtc == displays[i]->crtc()->crtc_id) | 26 if (crtc == display.crtc()->crtc_id) |
27 return true; | 27 return true; |
28 } | 28 } |
29 | 29 |
30 return false; | 30 return false; |
31 } | 31 } |
32 | 32 |
33 uint32_t GetCrtc(int fd, | 33 uint32_t GetCrtc(int fd, |
34 drmModeConnector* connector, | 34 drmModeConnector* connector, |
35 drmModeRes* resources, | 35 drmModeRes* resources, |
36 const ScopedVector<HardwareDisplayControllerInfo>& displays) { | 36 const std::vector<HardwareDisplayControllerInfo>& displays) { |
37 // If the connector already has an encoder try to re-use. | 37 // If the connector already has an encoder try to re-use. |
38 if (connector->encoder_id) { | 38 if (connector->encoder_id) { |
39 ScopedDrmEncoderPtr encoder(drmModeGetEncoder(fd, connector->encoder_id)); | 39 ScopedDrmEncoderPtr encoder(drmModeGetEncoder(fd, connector->encoder_id)); |
40 if (encoder && encoder->crtc_id && !IsCrtcInUse(encoder->crtc_id, displays)) | 40 if (encoder && encoder->crtc_id && !IsCrtcInUse(encoder->crtc_id, displays)) |
41 return encoder->crtc_id; | 41 return encoder->crtc_id; |
42 } | 42 } |
43 | 43 |
44 // Try to find an encoder for the connector. | 44 // Try to find an encoder for the connector. |
45 for (int i = 0; i < connector->count_encoders; ++i) { | 45 for (int i = 0; i < connector->count_encoders; ++i) { |
46 ScopedDrmEncoderPtr encoder(drmModeGetEncoder(fd, connector->encoders[i])); | 46 ScopedDrmEncoderPtr encoder(drmModeGetEncoder(fd, connector->encoders[i])); |
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157 } | 157 } |
158 | 158 |
159 } // namespace | 159 } // namespace |
160 | 160 |
161 HardwareDisplayControllerInfo::HardwareDisplayControllerInfo( | 161 HardwareDisplayControllerInfo::HardwareDisplayControllerInfo( |
162 ScopedDrmConnectorPtr connector, | 162 ScopedDrmConnectorPtr connector, |
163 ScopedDrmCrtcPtr crtc, | 163 ScopedDrmCrtcPtr crtc, |
164 size_t index) | 164 size_t index) |
165 : connector_(connector.Pass()), crtc_(crtc.Pass()), index_(index) {} | 165 : connector_(connector.Pass()), crtc_(crtc.Pass()), index_(index) {} |
166 | 166 |
167 HardwareDisplayControllerInfo::~HardwareDisplayControllerInfo() { | 167 std::vector<HardwareDisplayControllerInfo> GetAvailableDisplayControllerInfos( |
168 } | |
169 | |
170 ScopedVector<HardwareDisplayControllerInfo> GetAvailableDisplayControllerInfos( | |
171 int fd) { | 168 int fd) { |
172 ScopedDrmResourcesPtr resources(drmModeGetResources(fd)); | 169 ScopedDrmResourcesPtr resources(drmModeGetResources(fd)); |
173 DCHECK(resources) << "Failed to get DRM resources"; | 170 DCHECK(resources) << "Failed to get DRM resources"; |
174 ScopedVector<HardwareDisplayControllerInfo> displays; | 171 std::vector<HardwareDisplayControllerInfo> displays; |
175 | 172 |
176 for (int i = 0; i < resources->count_connectors; ++i) { | 173 for (int i = 0; i < resources->count_connectors; ++i) { |
177 ScopedDrmConnectorPtr connector( | 174 ScopedDrmConnectorPtr connector( |
178 drmModeGetConnector(fd, resources->connectors[i])); | 175 drmModeGetConnector(fd, resources->connectors[i])); |
179 | 176 |
180 if (!connector || connector->connection != DRM_MODE_CONNECTED || | 177 if (!connector || connector->connection != DRM_MODE_CONNECTED || |
181 connector->count_modes == 0) | 178 connector->count_modes == 0) |
182 continue; | 179 continue; |
183 | 180 |
184 uint32_t crtc_id = GetCrtc(fd, connector.get(), resources.get(), displays); | 181 uint32_t crtc_id = GetCrtc(fd, connector.get(), resources.get(), displays); |
185 if (!crtc_id) | 182 if (!crtc_id) |
186 continue; | 183 continue; |
187 | 184 |
188 ScopedDrmCrtcPtr crtc(drmModeGetCrtc(fd, crtc_id)); | 185 ScopedDrmCrtcPtr crtc(drmModeGetCrtc(fd, crtc_id)); |
189 displays.push_back( | 186 displays.push_back( |
190 new HardwareDisplayControllerInfo(connector.Pass(), crtc.Pass(), i)); | 187 HardwareDisplayControllerInfo(connector.Pass(), crtc.Pass(), i)); |
191 } | 188 } |
192 | 189 |
193 return displays.Pass(); | 190 return displays; |
194 } | 191 } |
195 | 192 |
196 bool SameMode(const drmModeModeInfo& lhs, const drmModeModeInfo& rhs) { | 193 bool SameMode(const drmModeModeInfo& lhs, const drmModeModeInfo& rhs) { |
197 return lhs.clock == rhs.clock && lhs.hdisplay == rhs.hdisplay && | 194 return lhs.clock == rhs.clock && lhs.hdisplay == rhs.hdisplay && |
198 lhs.vdisplay == rhs.vdisplay && lhs.vrefresh == rhs.vrefresh && | 195 lhs.vdisplay == rhs.vdisplay && lhs.vrefresh == rhs.vrefresh && |
199 lhs.hsync_start == rhs.hsync_start && lhs.hsync_end == rhs.hsync_end && | 196 lhs.hsync_start == rhs.hsync_start && lhs.hsync_end == rhs.hsync_end && |
200 lhs.htotal == rhs.htotal && lhs.hskew == rhs.hskew && | 197 lhs.htotal == rhs.htotal && lhs.hskew == rhs.hskew && |
201 lhs.vsync_start == rhs.vsync_start && lhs.vsync_end == rhs.vsync_end && | 198 lhs.vsync_start == rhs.vsync_start && lhs.vsync_end == rhs.vsync_end && |
202 lhs.vtotal == rhs.vtotal && lhs.vscan == rhs.vscan && | 199 lhs.vtotal == rhs.vtotal && lhs.vscan == rhs.vscan && |
203 lhs.flags == rhs.flags && strcmp(lhs.name, rhs.name) == 0; | 200 lhs.flags == rhs.flags && strcmp(lhs.name, rhs.name) == 0; |
204 } | 201 } |
205 | 202 |
206 DisplayMode_Params CreateDisplayModeParams(const drmModeModeInfo& mode) { | 203 DisplayMode_Params CreateDisplayModeParams(const drmModeModeInfo& mode) { |
207 DisplayMode_Params params; | 204 DisplayMode_Params params; |
208 params.size = gfx::Size(mode.hdisplay, mode.vdisplay); | 205 params.size = gfx::Size(mode.hdisplay, mode.vdisplay); |
209 params.is_interlaced = mode.flags & DRM_MODE_FLAG_INTERLACE; | 206 params.is_interlaced = mode.flags & DRM_MODE_FLAG_INTERLACE; |
210 params.refresh_rate = GetRefreshRate(mode); | 207 params.refresh_rate = GetRefreshRate(mode); |
211 | 208 |
212 return params; | 209 return params; |
213 } | 210 } |
214 | 211 |
215 DisplaySnapshot_Params CreateDisplaySnapshotParams( | 212 DisplaySnapshot_Params CreateDisplaySnapshotParams( |
216 HardwareDisplayControllerInfo* info, | 213 const HardwareDisplayControllerInfo& info, |
217 int fd, | 214 int fd, |
218 size_t device_index, | 215 size_t device_index, |
219 const gfx::Point& origin) { | 216 const gfx::Point& origin) { |
220 DisplaySnapshot_Params params; | 217 DisplaySnapshot_Params params; |
221 int64 connector_index = ConnectorIndex(device_index, info->index()); | 218 int64 connector_index = ConnectorIndex(device_index, info.index()); |
222 params.display_id = connector_index; | 219 params.display_id = connector_index; |
223 params.origin = origin; | 220 params.origin = origin; |
224 params.physical_size = | 221 params.physical_size = |
225 gfx::Size(info->connector()->mmWidth, info->connector()->mmHeight); | 222 gfx::Size(info.connector()->mmWidth, info.connector()->mmHeight); |
226 params.type = GetDisplayType(info->connector()); | 223 params.type = GetDisplayType(info.connector()); |
227 params.is_aspect_preserving_scaling = | 224 params.is_aspect_preserving_scaling = |
228 IsAspectPreserving(fd, info->connector()); | 225 IsAspectPreserving(fd, info.connector()); |
229 | 226 |
230 ScopedDrmPropertyBlobPtr edid_blob( | 227 ScopedDrmPropertyBlobPtr edid_blob( |
231 GetDrmPropertyBlob(fd, info->connector(), "EDID")); | 228 GetDrmPropertyBlob(fd, info.connector(), "EDID")); |
232 | 229 |
233 if (edid_blob) { | 230 if (edid_blob) { |
234 std::vector<uint8_t> edid( | 231 std::vector<uint8_t> edid( |
235 static_cast<uint8_t*>(edid_blob->data), | 232 static_cast<uint8_t*>(edid_blob->data), |
236 static_cast<uint8_t*>(edid_blob->data) + edid_blob->length); | 233 static_cast<uint8_t*>(edid_blob->data) + edid_blob->length); |
237 | 234 |
238 GetDisplayIdFromEDID(edid, connector_index, ¶ms.display_id, | 235 GetDisplayIdFromEDID(edid, connector_index, ¶ms.display_id, |
239 ¶ms.product_id); | 236 ¶ms.product_id); |
240 | 237 |
241 ParseOutputDeviceData(edid, nullptr, nullptr, ¶ms.display_name, nullptr, | 238 ParseOutputDeviceData(edid, nullptr, nullptr, ¶ms.display_name, nullptr, |
242 nullptr); | 239 nullptr); |
243 ParseOutputOverscanFlag(edid, ¶ms.has_overscan); | 240 ParseOutputOverscanFlag(edid, ¶ms.has_overscan); |
244 } else { | 241 } else { |
245 VLOG(1) << "Failed to get EDID blob for connector " | 242 VLOG(1) << "Failed to get EDID blob for connector " |
246 << info->connector()->connector_id; | 243 << info.connector()->connector_id; |
247 } | 244 } |
248 | 245 |
249 for (int i = 0; i < info->connector()->count_modes; ++i) { | 246 for (int i = 0; i < info.connector()->count_modes; ++i) { |
250 const drmModeModeInfo& mode = info->connector()->modes[i]; | 247 const drmModeModeInfo& mode = info.connector()->modes[i]; |
251 params.modes.push_back(CreateDisplayModeParams(mode)); | 248 params.modes.push_back(CreateDisplayModeParams(mode)); |
252 | 249 |
253 if (info->crtc()->mode_valid && SameMode(info->crtc()->mode, mode)) { | 250 if (info.crtc()->mode_valid && SameMode(info.crtc()->mode, mode)) { |
254 params.has_current_mode = true; | 251 params.has_current_mode = true; |
255 params.current_mode = params.modes.back(); | 252 params.current_mode = params.modes.back(); |
256 } | 253 } |
257 | 254 |
258 if (mode.type & DRM_MODE_TYPE_PREFERRED) { | 255 if (mode.type & DRM_MODE_TYPE_PREFERRED) { |
259 params.has_native_mode = true; | 256 params.has_native_mode = true; |
260 params.native_mode = params.modes.back(); | 257 params.native_mode = params.modes.back(); |
261 } | 258 } |
262 } | 259 } |
263 | 260 |
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292 case DRM_FORMAT_XRGB8888: | 289 case DRM_FORMAT_XRGB8888: |
293 return gfx::BufferFormat::BGRX_8888; | 290 return gfx::BufferFormat::BGRX_8888; |
294 case DRM_FORMAT_UYVY: | 291 case DRM_FORMAT_UYVY: |
295 return gfx::BufferFormat::UYVY_422; | 292 return gfx::BufferFormat::UYVY_422; |
296 default: | 293 default: |
297 NOTREACHED(); | 294 NOTREACHED(); |
298 return gfx::BufferFormat::LAST; | 295 return gfx::BufferFormat::LAST; |
299 } | 296 } |
300 } | 297 } |
301 } // namespace ui | 298 } // namespace ui |
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