2 * Copyright (c) 2006 Luc Verhaegen (quirks list)
3 * Copyright (c) 2007-2008 Intel Corporation
4 * Jesse Barnes <jesse.barnes@intel.com>
5 * Copyright 2010 Red Hat, Inc.
7 * DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from
9 * Copyright (C) 2006 Dennis Munsie <dmunsie@cecropia.com>
11 * Permission is hereby granted, free of charge, to any person obtaining a
12 * copy of this software and associated documentation files (the "Software"),
13 * to deal in the Software without restriction, including without limitation
14 * the rights to use, copy, modify, merge, publish, distribute, sub license,
15 * and/or sell copies of the Software, and to permit persons to whom the
16 * Software is furnished to do so, subject to the following conditions:
18 * The above copyright notice and this permission notice (including the
19 * next paragraph) shall be included in all copies or substantial portions
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
25 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28 * DEALINGS IN THE SOFTWARE.
30 #include <linux/kernel.h>
31 #include <linux/slab.h>
32 #include <linux/hdmi.h>
33 #include <linux/i2c.h>
34 #include <linux/module.h>
36 #include <drm/drm_edid.h>
38 #define version_greater(edid, maj, min) \
39 (((edid)->version > (maj)) || \
40 ((edid)->version == (maj) && (edid)->revision > (min)))
42 #define EDID_EST_TIMINGS 16
43 #define EDID_STD_TIMINGS 8
44 #define EDID_DETAILED_TIMINGS 4
47 * EDID blocks out in the wild have a variety of bugs, try to collect
48 * them here (note that userspace may work around broken monitors first,
49 * but fixes should make their way here so that the kernel "just works"
50 * on as many displays as possible).
53 /* First detailed mode wrong, use largest 60Hz mode */
54 #define EDID_QUIRK_PREFER_LARGE_60 (1 << 0)
55 /* Reported 135MHz pixel clock is too high, needs adjustment */
56 #define EDID_QUIRK_135_CLOCK_TOO_HIGH (1 << 1)
57 /* Prefer the largest mode at 75 Hz */
58 #define EDID_QUIRK_PREFER_LARGE_75 (1 << 2)
59 /* Detail timing is in cm not mm */
60 #define EDID_QUIRK_DETAILED_IN_CM (1 << 3)
61 /* Detailed timing descriptors have bogus size values, so just take the
62 * maximum size and use that.
64 #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE (1 << 4)
65 /* Monitor forgot to set the first detailed is preferred bit. */
66 #define EDID_QUIRK_FIRST_DETAILED_PREFERRED (1 << 5)
67 /* use +hsync +vsync for detailed mode */
68 #define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6)
69 /* Force reduced-blanking timings for detailed modes */
70 #define EDID_QUIRK_FORCE_REDUCED_BLANKING (1 << 7)
72 struct detailed_mode_closure
{
73 struct drm_connector
*connector
;
85 static struct edid_quirk
{
89 } edid_quirk_list
[] = {
91 { "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60
},
93 { "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60
},
95 { "ACR", 2423, EDID_QUIRK_FIRST_DETAILED_PREFERRED
},
97 /* Belinea 10 15 55 */
98 { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60
},
99 { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60
},
101 /* Envision Peripherals, Inc. EN-7100e */
102 { "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH
},
103 /* Envision EN2028 */
104 { "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60
},
106 /* Funai Electronics PM36B */
107 { "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75
|
108 EDID_QUIRK_DETAILED_IN_CM
},
110 /* LG Philips LCD LP154W01-A5 */
111 { "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE
},
112 { "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE
},
114 /* Philips 107p5 CRT */
115 { "PHL", 57364, EDID_QUIRK_FIRST_DETAILED_PREFERRED
},
118 { "PTS", 765, EDID_QUIRK_FIRST_DETAILED_PREFERRED
},
120 /* Samsung SyncMaster 205BW. Note: irony */
121 { "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP
},
122 /* Samsung SyncMaster 22[5-6]BW */
123 { "SAM", 596, EDID_QUIRK_PREFER_LARGE_60
},
124 { "SAM", 638, EDID_QUIRK_PREFER_LARGE_60
},
126 /* ViewSonic VA2026w */
127 { "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING
},
131 * Autogenerated from the DMT spec.
132 * This table is copied from xfree86/modes/xf86EdidModes.c.
134 static const struct drm_display_mode drm_dmt_modes
[] = {
136 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER
, 31500, 640, 672,
137 736, 832, 0, 350, 382, 385, 445, 0,
138 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
140 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER
, 31500, 640, 672,
141 736, 832, 0, 400, 401, 404, 445, 0,
142 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
144 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER
, 35500, 720, 756,
145 828, 936, 0, 400, 401, 404, 446, 0,
146 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
148 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER
, 25175, 640, 656,
149 752, 800, 0, 480, 489, 492, 525, 0,
150 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
152 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER
, 31500, 640, 664,
153 704, 832, 0, 480, 489, 492, 520, 0,
154 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
156 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER
, 31500, 640, 656,
157 720, 840, 0, 480, 481, 484, 500, 0,
158 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
160 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER
, 36000, 640, 696,
161 752, 832, 0, 480, 481, 484, 509, 0,
162 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
164 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER
, 36000, 800, 824,
165 896, 1024, 0, 600, 601, 603, 625, 0,
166 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
168 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER
, 40000, 800, 840,
169 968, 1056, 0, 600, 601, 605, 628, 0,
170 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
172 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER
, 50000, 800, 856,
173 976, 1040, 0, 600, 637, 643, 666, 0,
174 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
176 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER
, 49500, 800, 816,
177 896, 1056, 0, 600, 601, 604, 625, 0,
178 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
180 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER
, 56250, 800, 832,
181 896, 1048, 0, 600, 601, 604, 631, 0,
182 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
183 /* 800x600@120Hz RB */
184 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER
, 73250, 800, 848,
185 880, 960, 0, 600, 603, 607, 636, 0,
186 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
188 { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER
, 33750, 848, 864,
189 976, 1088, 0, 480, 486, 494, 517, 0,
190 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
191 /* 1024x768@43Hz, interlace */
192 { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER
, 44900, 1024, 1032,
193 1208, 1264, 0, 768, 768, 772, 817, 0,
194 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
|
195 DRM_MODE_FLAG_INTERLACE
) },
197 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER
, 65000, 1024, 1048,
198 1184, 1344, 0, 768, 771, 777, 806, 0,
199 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
201 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER
, 75000, 1024, 1048,
202 1184, 1328, 0, 768, 771, 777, 806, 0,
203 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
205 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER
, 78750, 1024, 1040,
206 1136, 1312, 0, 768, 769, 772, 800, 0,
207 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
209 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER
, 94500, 1024, 1072,
210 1168, 1376, 0, 768, 769, 772, 808, 0,
211 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
212 /* 1024x768@120Hz RB */
213 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER
, 115500, 1024, 1072,
214 1104, 1184, 0, 768, 771, 775, 813, 0,
215 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
217 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER
, 108000, 1152, 1216,
218 1344, 1600, 0, 864, 865, 868, 900, 0,
219 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
220 /* 1280x768@60Hz RB */
221 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER
, 68250, 1280, 1328,
222 1360, 1440, 0, 768, 771, 778, 790, 0,
223 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
225 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER
, 79500, 1280, 1344,
226 1472, 1664, 0, 768, 771, 778, 798, 0,
227 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
229 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER
, 102250, 1280, 1360,
230 1488, 1696, 0, 768, 771, 778, 805, 0,
231 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
233 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER
, 117500, 1280, 1360,
234 1496, 1712, 0, 768, 771, 778, 809, 0,
235 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
236 /* 1280x768@120Hz RB */
237 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER
, 140250, 1280, 1328,
238 1360, 1440, 0, 768, 771, 778, 813, 0,
239 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
240 /* 1280x800@60Hz RB */
241 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER
, 71000, 1280, 1328,
242 1360, 1440, 0, 800, 803, 809, 823, 0,
243 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
245 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER
, 83500, 1280, 1352,
246 1480, 1680, 0, 800, 803, 809, 831, 0,
247 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
249 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER
, 106500, 1280, 1360,
250 1488, 1696, 0, 800, 803, 809, 838, 0,
251 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
253 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER
, 122500, 1280, 1360,
254 1496, 1712, 0, 800, 803, 809, 843, 0,
255 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
256 /* 1280x800@120Hz RB */
257 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER
, 146250, 1280, 1328,
258 1360, 1440, 0, 800, 803, 809, 847, 0,
259 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
261 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER
, 108000, 1280, 1376,
262 1488, 1800, 0, 960, 961, 964, 1000, 0,
263 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
265 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER
, 148500, 1280, 1344,
266 1504, 1728, 0, 960, 961, 964, 1011, 0,
267 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
268 /* 1280x960@120Hz RB */
269 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER
, 175500, 1280, 1328,
270 1360, 1440, 0, 960, 963, 967, 1017, 0,
271 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
273 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER
, 108000, 1280, 1328,
274 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
275 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
277 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER
, 135000, 1280, 1296,
278 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
279 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
281 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER
, 157500, 1280, 1344,
282 1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
283 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
284 /* 1280x1024@120Hz RB */
285 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER
, 187250, 1280, 1328,
286 1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
287 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
289 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER
, 85500, 1360, 1424,
290 1536, 1792, 0, 768, 771, 777, 795, 0,
291 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
292 /* 1360x768@120Hz RB */
293 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER
, 148250, 1360, 1408,
294 1440, 1520, 0, 768, 771, 776, 813, 0,
295 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
296 /* 1400x1050@60Hz RB */
297 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER
, 101000, 1400, 1448,
298 1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
299 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
301 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER
, 121750, 1400, 1488,
302 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
303 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
305 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER
, 156000, 1400, 1504,
306 1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
307 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
309 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER
, 179500, 1400, 1504,
310 1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
311 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
312 /* 1400x1050@120Hz RB */
313 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER
, 208000, 1400, 1448,
314 1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
315 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
316 /* 1440x900@60Hz RB */
317 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER
, 88750, 1440, 1488,
318 1520, 1600, 0, 900, 903, 909, 926, 0,
319 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
321 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER
, 106500, 1440, 1520,
322 1672, 1904, 0, 900, 903, 909, 934, 0,
323 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
325 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER
, 136750, 1440, 1536,
326 1688, 1936, 0, 900, 903, 909, 942, 0,
327 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
329 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER
, 157000, 1440, 1544,
330 1696, 1952, 0, 900, 903, 909, 948, 0,
331 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
332 /* 1440x900@120Hz RB */
333 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER
, 182750, 1440, 1488,
334 1520, 1600, 0, 900, 903, 909, 953, 0,
335 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
337 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER
, 162000, 1600, 1664,
338 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
339 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
341 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER
, 175500, 1600, 1664,
342 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
343 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
345 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER
, 189000, 1600, 1664,
346 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
347 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
349 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER
, 202500, 1600, 1664,
350 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
351 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
353 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER
, 229500, 1600, 1664,
354 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
355 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
356 /* 1600x1200@120Hz RB */
357 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER
, 268250, 1600, 1648,
358 1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
359 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
360 /* 1680x1050@60Hz RB */
361 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER
, 119000, 1680, 1728,
362 1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
363 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
365 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER
, 146250, 1680, 1784,
366 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
367 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
369 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER
, 187000, 1680, 1800,
370 1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
371 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
373 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER
, 214750, 1680, 1808,
374 1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
375 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
376 /* 1680x1050@120Hz RB */
377 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER
, 245500, 1680, 1728,
378 1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
379 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
381 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER
, 204750, 1792, 1920,
382 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
383 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
385 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER
, 261000, 1792, 1888,
386 2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
387 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
388 /* 1792x1344@120Hz RB */
389 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER
, 333250, 1792, 1840,
390 1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
391 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
393 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER
, 218250, 1856, 1952,
394 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
395 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
397 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER
, 288000, 1856, 1984,
398 2208, 2560, 0, 1392, 1395, 1399, 1500, 0,
399 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
400 /* 1856x1392@120Hz RB */
401 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER
, 356500, 1856, 1904,
402 1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
403 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
404 /* 1920x1200@60Hz RB */
405 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER
, 154000, 1920, 1968,
406 2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
407 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
409 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER
, 193250, 1920, 2056,
410 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
411 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
413 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER
, 245250, 1920, 2056,
414 2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
415 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
417 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER
, 281250, 1920, 2064,
418 2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
419 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
420 /* 1920x1200@120Hz RB */
421 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER
, 317000, 1920, 1968,
422 2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
423 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
425 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER
, 234000, 1920, 2048,
426 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
427 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
429 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER
, 297000, 1920, 2064,
430 2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
431 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
432 /* 1920x1440@120Hz RB */
433 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER
, 380500, 1920, 1968,
434 2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
435 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
436 /* 2560x1600@60Hz RB */
437 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER
, 268500, 2560, 2608,
438 2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
439 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
441 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER
, 348500, 2560, 2752,
442 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
443 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
445 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER
, 443250, 2560, 2768,
446 3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
447 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
449 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER
, 505250, 2560, 2768,
450 3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
451 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) },
452 /* 2560x1600@120Hz RB */
453 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER
, 552750, 2560, 2608,
454 2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
455 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
) },
458 static const struct drm_display_mode edid_est_modes
[] = {
459 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER
, 40000, 800, 840,
460 968, 1056, 0, 600, 601, 605, 628, 0,
461 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) }, /* 800x600@60Hz */
462 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER
, 36000, 800, 824,
463 896, 1024, 0, 600, 601, 603, 625, 0,
464 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) }, /* 800x600@56Hz */
465 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER
, 31500, 640, 656,
466 720, 840, 0, 480, 481, 484, 500, 0,
467 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) }, /* 640x480@75Hz */
468 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER
, 31500, 640, 664,
469 704, 832, 0, 480, 489, 491, 520, 0,
470 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) }, /* 640x480@72Hz */
471 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER
, 30240, 640, 704,
472 768, 864, 0, 480, 483, 486, 525, 0,
473 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) }, /* 640x480@67Hz */
474 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER
, 25200, 640, 656,
475 752, 800, 0, 480, 490, 492, 525, 0,
476 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) }, /* 640x480@60Hz */
477 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER
, 35500, 720, 738,
478 846, 900, 0, 400, 421, 423, 449, 0,
479 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) }, /* 720x400@88Hz */
480 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER
, 28320, 720, 738,
481 846, 900, 0, 400, 412, 414, 449, 0,
482 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_PVSYNC
) }, /* 720x400@70Hz */
483 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER
, 135000, 1280, 1296,
484 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
485 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) }, /* 1280x1024@75Hz */
486 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER
, 78800, 1024, 1040,
487 1136, 1312, 0, 768, 769, 772, 800, 0,
488 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) }, /* 1024x768@75Hz */
489 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER
, 75000, 1024, 1048,
490 1184, 1328, 0, 768, 771, 777, 806, 0,
491 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) }, /* 1024x768@70Hz */
492 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER
, 65000, 1024, 1048,
493 1184, 1344, 0, 768, 771, 777, 806, 0,
494 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) }, /* 1024x768@60Hz */
495 { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER
,44900, 1024, 1032,
496 1208, 1264, 0, 768, 768, 776, 817, 0,
497 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
| DRM_MODE_FLAG_INTERLACE
) }, /* 1024x768@43Hz */
498 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER
, 57284, 832, 864,
499 928, 1152, 0, 624, 625, 628, 667, 0,
500 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
) }, /* 832x624@75Hz */
501 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER
, 49500, 800, 816,
502 896, 1056, 0, 600, 601, 604, 625, 0,
503 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) }, /* 800x600@75Hz */
504 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER
, 50000, 800, 856,
505 976, 1040, 0, 600, 637, 643, 666, 0,
506 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) }, /* 800x600@72Hz */
507 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER
, 108000, 1152, 1216,
508 1344, 1600, 0, 864, 865, 868, 900, 0,
509 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
) }, /* 1152x864@75Hz */
519 static const struct minimode est3_modes
[] = {
527 { 1024, 768, 85, 0 },
528 { 1152, 864, 75, 0 },
530 { 1280, 768, 60, 1 },
531 { 1280, 768, 60, 0 },
532 { 1280, 768, 75, 0 },
533 { 1280, 768, 85, 0 },
534 { 1280, 960, 60, 0 },
535 { 1280, 960, 85, 0 },
536 { 1280, 1024, 60, 0 },
537 { 1280, 1024, 85, 0 },
539 { 1360, 768, 60, 0 },
540 { 1440, 900, 60, 1 },
541 { 1440, 900, 60, 0 },
542 { 1440, 900, 75, 0 },
543 { 1440, 900, 85, 0 },
544 { 1400, 1050, 60, 1 },
545 { 1400, 1050, 60, 0 },
546 { 1400, 1050, 75, 0 },
548 { 1400, 1050, 85, 0 },
549 { 1680, 1050, 60, 1 },
550 { 1680, 1050, 60, 0 },
551 { 1680, 1050, 75, 0 },
552 { 1680, 1050, 85, 0 },
553 { 1600, 1200, 60, 0 },
554 { 1600, 1200, 65, 0 },
555 { 1600, 1200, 70, 0 },
557 { 1600, 1200, 75, 0 },
558 { 1600, 1200, 85, 0 },
559 { 1792, 1344, 60, 0 },
560 { 1792, 1344, 85, 0 },
561 { 1856, 1392, 60, 0 },
562 { 1856, 1392, 75, 0 },
563 { 1920, 1200, 60, 1 },
564 { 1920, 1200, 60, 0 },
566 { 1920, 1200, 75, 0 },
567 { 1920, 1200, 85, 0 },
568 { 1920, 1440, 60, 0 },
569 { 1920, 1440, 75, 0 },
572 static const struct minimode extra_modes
[] = {
573 { 1024, 576, 60, 0 },
574 { 1366, 768, 60, 0 },
575 { 1600, 900, 60, 0 },
576 { 1680, 945, 60, 0 },
577 { 1920, 1080, 60, 0 },
578 { 2048, 1152, 60, 0 },
579 { 2048, 1536, 60, 0 },
583 * Probably taken from CEA-861 spec.
584 * This table is converted from xorg's hw/xfree86/modes/xf86EdidModes.c.
586 static const struct drm_display_mode edid_cea_modes
[] = {
587 /* 1 - 640x480@60Hz */
588 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER
, 25175, 640, 656,
589 752, 800, 0, 480, 490, 492, 525, 0,
590 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
592 /* 2 - 720x480@60Hz */
593 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER
, 27000, 720, 736,
594 798, 858, 0, 480, 489, 495, 525, 0,
595 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
597 /* 3 - 720x480@60Hz */
598 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER
, 27000, 720, 736,
599 798, 858, 0, 480, 489, 495, 525, 0,
600 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
602 /* 4 - 1280x720@60Hz */
603 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER
, 74250, 1280, 1390,
604 1430, 1650, 0, 720, 725, 730, 750, 0,
605 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
),
607 /* 5 - 1920x1080i@60Hz */
608 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER
, 74250, 1920, 2008,
609 2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
610 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
|
611 DRM_MODE_FLAG_INTERLACE
),
613 /* 6 - 1440x480i@60Hz */
614 { DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER
, 27000, 1440, 1478,
615 1602, 1716, 0, 480, 488, 494, 525, 0,
616 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
617 DRM_MODE_FLAG_INTERLACE
| DRM_MODE_FLAG_DBLCLK
),
619 /* 7 - 1440x480i@60Hz */
620 { DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER
, 27000, 1440, 1478,
621 1602, 1716, 0, 480, 488, 494, 525, 0,
622 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
623 DRM_MODE_FLAG_INTERLACE
| DRM_MODE_FLAG_DBLCLK
),
625 /* 8 - 1440x240@60Hz */
626 { DRM_MODE("1440x240", DRM_MODE_TYPE_DRIVER
, 27000, 1440, 1478,
627 1602, 1716, 0, 240, 244, 247, 262, 0,
628 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
629 DRM_MODE_FLAG_DBLCLK
),
631 /* 9 - 1440x240@60Hz */
632 { DRM_MODE("1440x240", DRM_MODE_TYPE_DRIVER
, 27000, 1440, 1478,
633 1602, 1716, 0, 240, 244, 247, 262, 0,
634 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
635 DRM_MODE_FLAG_DBLCLK
),
637 /* 10 - 2880x480i@60Hz */
638 { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER
, 54000, 2880, 2956,
639 3204, 3432, 0, 480, 488, 494, 525, 0,
640 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
641 DRM_MODE_FLAG_INTERLACE
),
643 /* 11 - 2880x480i@60Hz */
644 { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER
, 54000, 2880, 2956,
645 3204, 3432, 0, 480, 488, 494, 525, 0,
646 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
647 DRM_MODE_FLAG_INTERLACE
),
649 /* 12 - 2880x240@60Hz */
650 { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER
, 54000, 2880, 2956,
651 3204, 3432, 0, 240, 244, 247, 262, 0,
652 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
654 /* 13 - 2880x240@60Hz */
655 { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER
, 54000, 2880, 2956,
656 3204, 3432, 0, 240, 244, 247, 262, 0,
657 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
659 /* 14 - 1440x480@60Hz */
660 { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER
, 54000, 1440, 1472,
661 1596, 1716, 0, 480, 489, 495, 525, 0,
662 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
664 /* 15 - 1440x480@60Hz */
665 { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER
, 54000, 1440, 1472,
666 1596, 1716, 0, 480, 489, 495, 525, 0,
667 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
669 /* 16 - 1920x1080@60Hz */
670 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER
, 148500, 1920, 2008,
671 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
672 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
),
674 /* 17 - 720x576@50Hz */
675 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER
, 27000, 720, 732,
676 796, 864, 0, 576, 581, 586, 625, 0,
677 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
679 /* 18 - 720x576@50Hz */
680 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER
, 27000, 720, 732,
681 796, 864, 0, 576, 581, 586, 625, 0,
682 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
684 /* 19 - 1280x720@50Hz */
685 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER
, 74250, 1280, 1720,
686 1760, 1980, 0, 720, 725, 730, 750, 0,
687 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
),
689 /* 20 - 1920x1080i@50Hz */
690 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER
, 74250, 1920, 2448,
691 2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
692 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
|
693 DRM_MODE_FLAG_INTERLACE
),
695 /* 21 - 1440x576i@50Hz */
696 { DRM_MODE("1440x576i", DRM_MODE_TYPE_DRIVER
, 27000, 1440, 1464,
697 1590, 1728, 0, 576, 580, 586, 625, 0,
698 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
699 DRM_MODE_FLAG_INTERLACE
| DRM_MODE_FLAG_DBLCLK
),
701 /* 22 - 1440x576i@50Hz */
702 { DRM_MODE("1440x576i", DRM_MODE_TYPE_DRIVER
, 27000, 1440, 1464,
703 1590, 1728, 0, 576, 580, 586, 625, 0,
704 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
705 DRM_MODE_FLAG_INTERLACE
| DRM_MODE_FLAG_DBLCLK
),
707 /* 23 - 1440x288@50Hz */
708 { DRM_MODE("1440x288", DRM_MODE_TYPE_DRIVER
, 27000, 1440, 1464,
709 1590, 1728, 0, 288, 290, 293, 312, 0,
710 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
711 DRM_MODE_FLAG_DBLCLK
),
713 /* 24 - 1440x288@50Hz */
714 { DRM_MODE("1440x288", DRM_MODE_TYPE_DRIVER
, 27000, 1440, 1464,
715 1590, 1728, 0, 288, 290, 293, 312, 0,
716 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
717 DRM_MODE_FLAG_DBLCLK
),
719 /* 25 - 2880x576i@50Hz */
720 { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER
, 54000, 2880, 2928,
721 3180, 3456, 0, 576, 580, 586, 625, 0,
722 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
723 DRM_MODE_FLAG_INTERLACE
),
725 /* 26 - 2880x576i@50Hz */
726 { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER
, 54000, 2880, 2928,
727 3180, 3456, 0, 576, 580, 586, 625, 0,
728 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
729 DRM_MODE_FLAG_INTERLACE
),
731 /* 27 - 2880x288@50Hz */
732 { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER
, 54000, 2880, 2928,
733 3180, 3456, 0, 288, 290, 293, 312, 0,
734 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
736 /* 28 - 2880x288@50Hz */
737 { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER
, 54000, 2880, 2928,
738 3180, 3456, 0, 288, 290, 293, 312, 0,
739 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
741 /* 29 - 1440x576@50Hz */
742 { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER
, 54000, 1440, 1464,
743 1592, 1728, 0, 576, 581, 586, 625, 0,
744 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
746 /* 30 - 1440x576@50Hz */
747 { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER
, 54000, 1440, 1464,
748 1592, 1728, 0, 576, 581, 586, 625, 0,
749 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
751 /* 31 - 1920x1080@50Hz */
752 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER
, 148500, 1920, 2448,
753 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
754 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
),
756 /* 32 - 1920x1080@24Hz */
757 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER
, 74250, 1920, 2558,
758 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
759 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
),
761 /* 33 - 1920x1080@25Hz */
762 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER
, 74250, 1920, 2448,
763 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
764 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
),
766 /* 34 - 1920x1080@30Hz */
767 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER
, 74250, 1920, 2008,
768 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
769 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
),
771 /* 35 - 2880x480@60Hz */
772 { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER
, 108000, 2880, 2944,
773 3192, 3432, 0, 480, 489, 495, 525, 0,
774 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
776 /* 36 - 2880x480@60Hz */
777 { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER
, 108000, 2880, 2944,
778 3192, 3432, 0, 480, 489, 495, 525, 0,
779 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
781 /* 37 - 2880x576@50Hz */
782 { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER
, 108000, 2880, 2928,
783 3184, 3456, 0, 576, 581, 586, 625, 0,
784 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
786 /* 38 - 2880x576@50Hz */
787 { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER
, 108000, 2880, 2928,
788 3184, 3456, 0, 576, 581, 586, 625, 0,
789 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
791 /* 39 - 1920x1080i@50Hz */
792 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER
, 72000, 1920, 1952,
793 2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
794 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_NVSYNC
|
795 DRM_MODE_FLAG_INTERLACE
),
797 /* 40 - 1920x1080i@100Hz */
798 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER
, 148500, 1920, 2448,
799 2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
800 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
|
801 DRM_MODE_FLAG_INTERLACE
),
803 /* 41 - 1280x720@100Hz */
804 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER
, 148500, 1280, 1720,
805 1760, 1980, 0, 720, 725, 730, 750, 0,
806 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
),
808 /* 42 - 720x576@100Hz */
809 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER
, 54000, 720, 732,
810 796, 864, 0, 576, 581, 586, 625, 0,
811 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
813 /* 43 - 720x576@100Hz */
814 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER
, 54000, 720, 732,
815 796, 864, 0, 576, 581, 586, 625, 0,
816 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
818 /* 44 - 1440x576i@100Hz */
819 { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER
, 54000, 1440, 1464,
820 1590, 1728, 0, 576, 580, 586, 625, 0,
821 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
822 DRM_MODE_FLAG_DBLCLK
),
824 /* 45 - 1440x576i@100Hz */
825 { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER
, 54000, 1440, 1464,
826 1590, 1728, 0, 576, 580, 586, 625, 0,
827 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
828 DRM_MODE_FLAG_DBLCLK
),
830 /* 46 - 1920x1080i@120Hz */
831 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER
, 148500, 1920, 2008,
832 2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
833 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
|
834 DRM_MODE_FLAG_INTERLACE
),
836 /* 47 - 1280x720@120Hz */
837 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER
, 148500, 1280, 1390,
838 1430, 1650, 0, 720, 725, 730, 750, 0,
839 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
),
841 /* 48 - 720x480@120Hz */
842 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER
, 54000, 720, 736,
843 798, 858, 0, 480, 489, 495, 525, 0,
844 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
846 /* 49 - 720x480@120Hz */
847 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER
, 54000, 720, 736,
848 798, 858, 0, 480, 489, 495, 525, 0,
849 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
851 /* 50 - 1440x480i@120Hz */
852 { DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER
, 54000, 1440, 1478,
853 1602, 1716, 0, 480, 488, 494, 525, 0,
854 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
855 DRM_MODE_FLAG_INTERLACE
| DRM_MODE_FLAG_DBLCLK
),
857 /* 51 - 1440x480i@120Hz */
858 { DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER
, 54000, 1440, 1478,
859 1602, 1716, 0, 480, 488, 494, 525, 0,
860 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
861 DRM_MODE_FLAG_INTERLACE
| DRM_MODE_FLAG_DBLCLK
),
863 /* 52 - 720x576@200Hz */
864 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER
, 108000, 720, 732,
865 796, 864, 0, 576, 581, 586, 625, 0,
866 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
868 /* 53 - 720x576@200Hz */
869 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER
, 108000, 720, 732,
870 796, 864, 0, 576, 581, 586, 625, 0,
871 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
873 /* 54 - 1440x576i@200Hz */
874 { DRM_MODE("1440x576i", DRM_MODE_TYPE_DRIVER
, 108000, 1440, 1464,
875 1590, 1728, 0, 576, 580, 586, 625, 0,
876 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
877 DRM_MODE_FLAG_INTERLACE
| DRM_MODE_FLAG_DBLCLK
),
879 /* 55 - 1440x576i@200Hz */
880 { DRM_MODE("1440x576i", DRM_MODE_TYPE_DRIVER
, 108000, 1440, 1464,
881 1590, 1728, 0, 576, 580, 586, 625, 0,
882 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
883 DRM_MODE_FLAG_INTERLACE
| DRM_MODE_FLAG_DBLCLK
),
885 /* 56 - 720x480@240Hz */
886 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER
, 108000, 720, 736,
887 798, 858, 0, 480, 489, 495, 525, 0,
888 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
890 /* 57 - 720x480@240Hz */
891 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER
, 108000, 720, 736,
892 798, 858, 0, 480, 489, 495, 525, 0,
893 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
),
895 /* 58 - 1440x480i@240 */
896 { DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER
, 108000, 1440, 1478,
897 1602, 1716, 0, 480, 488, 494, 525, 0,
898 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
899 DRM_MODE_FLAG_INTERLACE
| DRM_MODE_FLAG_DBLCLK
),
901 /* 59 - 1440x480i@240 */
902 { DRM_MODE("1440x480i", DRM_MODE_TYPE_DRIVER
, 108000, 1440, 1478,
903 1602, 1716, 0, 480, 488, 494, 525, 0,
904 DRM_MODE_FLAG_NHSYNC
| DRM_MODE_FLAG_NVSYNC
|
905 DRM_MODE_FLAG_INTERLACE
| DRM_MODE_FLAG_DBLCLK
),
907 /* 60 - 1280x720@24Hz */
908 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER
, 59400, 1280, 3040,
909 3080, 3300, 0, 720, 725, 730, 750, 0,
910 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
),
912 /* 61 - 1280x720@25Hz */
913 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER
, 74250, 1280, 3700,
914 3740, 3960, 0, 720, 725, 730, 750, 0,
915 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
),
917 /* 62 - 1280x720@30Hz */
918 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER
, 74250, 1280, 3040,
919 3080, 3300, 0, 720, 725, 730, 750, 0,
920 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
),
922 /* 63 - 1920x1080@120Hz */
923 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER
, 297000, 1920, 2008,
924 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
925 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
),
927 /* 64 - 1920x1080@100Hz */
928 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER
, 297000, 1920, 2448,
929 2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
930 DRM_MODE_FLAG_PHSYNC
| DRM_MODE_FLAG_PVSYNC
),
934 /*** DDC fetch and block validation ***/
936 static const u8 edid_header
[] = {
937 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
941 * Sanity check the header of the base EDID block. Return 8 if the header
942 * is perfect, down to 0 if it's totally wrong.
944 int drm_edid_header_is_valid(const u8
*raw_edid
)
948 for (i
= 0; i
< sizeof(edid_header
); i
++)
949 if (raw_edid
[i
] == edid_header
[i
])
954 EXPORT_SYMBOL(drm_edid_header_is_valid
);
956 static int edid_fixup __read_mostly
= 6;
957 module_param_named(edid_fixup
, edid_fixup
, int, 0400);
958 MODULE_PARM_DESC(edid_fixup
,
959 "Minimum number of valid EDID header bytes (0-8, default 6)");
962 * Sanity check the EDID block (base or extension). Return 0 if the block
963 * doesn't check out, or 1 if it's valid.
965 bool drm_edid_block_valid(u8
*raw_edid
, int block
, bool print_bad_edid
)
969 struct edid
*edid
= (struct edid
*)raw_edid
;
971 if (edid_fixup
> 8 || edid_fixup
< 0)
975 int score
= drm_edid_header_is_valid(raw_edid
);
977 else if (score
>= edid_fixup
) {
978 DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
979 memcpy(raw_edid
, edid_header
, sizeof(edid_header
));
985 for (i
= 0; i
< EDID_LENGTH
; i
++)
988 if (print_bad_edid
) {
989 DRM_ERROR("EDID checksum is invalid, remainder is %d\n", csum
);
992 /* allow CEA to slide through, switches mangle this */
993 if (raw_edid
[0] != 0x02)
997 /* per-block-type checks */
998 switch (raw_edid
[0]) {
1000 if (edid
->version
!= 1) {
1001 DRM_ERROR("EDID has major version %d, instead of 1\n", edid
->version
);
1005 if (edid
->revision
> 4)
1006 DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
1016 if (raw_edid
&& print_bad_edid
) {
1017 printk(KERN_ERR
"Raw EDID:\n");
1018 print_hex_dump(KERN_ERR
, " \t", DUMP_PREFIX_NONE
, 16, 1,
1019 raw_edid
, EDID_LENGTH
, false);
1023 EXPORT_SYMBOL(drm_edid_block_valid
);
1026 * drm_edid_is_valid - sanity check EDID data
1029 * Sanity-check an entire EDID record (including extensions)
1031 bool drm_edid_is_valid(struct edid
*edid
)
1034 u8
*raw
= (u8
*)edid
;
1039 for (i
= 0; i
<= edid
->extensions
; i
++)
1040 if (!drm_edid_block_valid(raw
+ i
* EDID_LENGTH
, i
, true))
1045 EXPORT_SYMBOL(drm_edid_is_valid
);
1047 #define DDC_SEGMENT_ADDR 0x30
1049 * Get EDID information via I2C.
1051 * \param adapter : i2c device adaptor
1052 * \param buf : EDID data buffer to be filled
1053 * \param len : EDID data buffer length
1054 * \return 0 on success or -1 on failure.
1056 * Try to fetch EDID information by calling i2c driver function.
1059 drm_do_probe_ddc_edid(struct i2c_adapter
*adapter
, unsigned char *buf
,
1062 unsigned char start
= block
* EDID_LENGTH
;
1063 unsigned char segment
= block
>> 1;
1064 unsigned char xfers
= segment
? 3 : 2;
1065 int ret
, retries
= 5;
1067 /* The core i2c driver will automatically retry the transfer if the
1068 * adapter reports EAGAIN. However, we find that bit-banging transfers
1069 * are susceptible to errors under a heavily loaded machine and
1070 * generate spurious NAKs and timeouts. Retrying the transfer
1071 * of the individual block a few times seems to overcome this.
1074 struct i2c_msg msgs
[] = {
1076 .addr
= DDC_SEGMENT_ADDR
,
1094 * Avoid sending the segment addr to not upset non-compliant ddc
1097 ret
= i2c_transfer(adapter
, &msgs
[3 - xfers
], xfers
);
1099 if (ret
== -ENXIO
) {
1100 DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1104 } while (ret
!= xfers
&& --retries
);
1106 return ret
== xfers
? 0 : -1;
1109 static bool drm_edid_is_zero(u8
*in_edid
, int length
)
1111 if (memchr_inv(in_edid
, 0, length
))
1118 drm_do_get_edid(struct drm_connector
*connector
, struct i2c_adapter
*adapter
)
1120 int i
, j
= 0, valid_extensions
= 0;
1122 bool print_bad_edid
= !connector
->bad_edid_counter
|| (drm_debug
& DRM_UT_KMS
);
1124 if ((block
= kmalloc(EDID_LENGTH
, GFP_KERNEL
)) == NULL
)
1127 /* base block fetch */
1128 for (i
= 0; i
< 4; i
++) {
1129 if (drm_do_probe_ddc_edid(adapter
, block
, 0, EDID_LENGTH
))
1131 if (drm_edid_block_valid(block
, 0, print_bad_edid
))
1133 if (i
== 0 && drm_edid_is_zero(block
, EDID_LENGTH
)) {
1134 connector
->null_edid_counter
++;
1141 /* if there's no extensions, we're done */
1142 if (block
[0x7e] == 0)
1145 new = krealloc(block
, (block
[0x7e] + 1) * EDID_LENGTH
, GFP_KERNEL
);
1150 for (j
= 1; j
<= block
[0x7e]; j
++) {
1151 for (i
= 0; i
< 4; i
++) {
1152 if (drm_do_probe_ddc_edid(adapter
,
1153 block
+ (valid_extensions
+ 1) * EDID_LENGTH
,
1156 if (drm_edid_block_valid(block
+ (valid_extensions
+ 1) * EDID_LENGTH
, j
, print_bad_edid
)) {
1162 if (i
== 4 && print_bad_edid
) {
1163 dev_warn(connector
->dev
->dev
,
1164 "%s: Ignoring invalid EDID block %d.\n",
1165 drm_get_connector_name(connector
), j
);
1167 connector
->bad_edid_counter
++;
1171 if (valid_extensions
!= block
[0x7e]) {
1172 block
[EDID_LENGTH
-1] += block
[0x7e] - valid_extensions
;
1173 block
[0x7e] = valid_extensions
;
1174 new = krealloc(block
, (valid_extensions
+ 1) * EDID_LENGTH
, GFP_KERNEL
);
1183 if (print_bad_edid
) {
1184 dev_warn(connector
->dev
->dev
, "%s: EDID block %d invalid.\n",
1185 drm_get_connector_name(connector
), j
);
1187 connector
->bad_edid_counter
++;
1195 * Probe DDC presence.
1197 * \param adapter : i2c device adaptor
1198 * \return 1 on success
1201 drm_probe_ddc(struct i2c_adapter
*adapter
)
1205 return (drm_do_probe_ddc_edid(adapter
, &out
, 0, 1) == 0);
1207 EXPORT_SYMBOL(drm_probe_ddc
);
1210 * drm_get_edid - get EDID data, if available
1211 * @connector: connector we're probing
1212 * @adapter: i2c adapter to use for DDC
1214 * Poke the given i2c channel to grab EDID data if possible. If found,
1215 * attach it to the connector.
1217 * Return edid data or NULL if we couldn't find any.
1219 struct edid
*drm_get_edid(struct drm_connector
*connector
,
1220 struct i2c_adapter
*adapter
)
1222 struct edid
*edid
= NULL
;
1224 if (drm_probe_ddc(adapter
))
1225 edid
= (struct edid
*)drm_do_get_edid(connector
, adapter
);
1229 EXPORT_SYMBOL(drm_get_edid
);
1231 /*** EDID parsing ***/
1234 * edid_vendor - match a string against EDID's obfuscated vendor field
1235 * @edid: EDID to match
1236 * @vendor: vendor string
1238 * Returns true if @vendor is in @edid, false otherwise
1240 static bool edid_vendor(struct edid
*edid
, char *vendor
)
1242 char edid_vendor
[3];
1244 edid_vendor
[0] = ((edid
->mfg_id
[0] & 0x7c) >> 2) + '@';
1245 edid_vendor
[1] = (((edid
->mfg_id
[0] & 0x3) << 3) |
1246 ((edid
->mfg_id
[1] & 0xe0) >> 5)) + '@';
1247 edid_vendor
[2] = (edid
->mfg_id
[1] & 0x1f) + '@';
1249 return !strncmp(edid_vendor
, vendor
, 3);
1253 * edid_get_quirks - return quirk flags for a given EDID
1254 * @edid: EDID to process
1256 * This tells subsequent routines what fixes they need to apply.
1258 static u32
edid_get_quirks(struct edid
*edid
)
1260 struct edid_quirk
*quirk
;
1263 for (i
= 0; i
< ARRAY_SIZE(edid_quirk_list
); i
++) {
1264 quirk
= &edid_quirk_list
[i
];
1266 if (edid_vendor(edid
, quirk
->vendor
) &&
1267 (EDID_PRODUCT_ID(edid
) == quirk
->product_id
))
1268 return quirk
->quirks
;
1274 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
1275 #define MODE_REFRESH_DIFF(m,r) (abs((m)->vrefresh - target_refresh))
1278 * edid_fixup_preferred - set preferred modes based on quirk list
1279 * @connector: has mode list to fix up
1280 * @quirks: quirks list
1282 * Walk the mode list for @connector, clearing the preferred status
1283 * on existing modes and setting it anew for the right mode ala @quirks.
1285 static void edid_fixup_preferred(struct drm_connector
*connector
,
1288 struct drm_display_mode
*t
, *cur_mode
, *preferred_mode
;
1289 int target_refresh
= 0;
1291 if (list_empty(&connector
->probed_modes
))
1294 if (quirks
& EDID_QUIRK_PREFER_LARGE_60
)
1295 target_refresh
= 60;
1296 if (quirks
& EDID_QUIRK_PREFER_LARGE_75
)
1297 target_refresh
= 75;
1299 preferred_mode
= list_first_entry(&connector
->probed_modes
,
1300 struct drm_display_mode
, head
);
1302 list_for_each_entry_safe(cur_mode
, t
, &connector
->probed_modes
, head
) {
1303 cur_mode
->type
&= ~DRM_MODE_TYPE_PREFERRED
;
1305 if (cur_mode
== preferred_mode
)
1308 /* Largest mode is preferred */
1309 if (MODE_SIZE(cur_mode
) > MODE_SIZE(preferred_mode
))
1310 preferred_mode
= cur_mode
;
1312 /* At a given size, try to get closest to target refresh */
1313 if ((MODE_SIZE(cur_mode
) == MODE_SIZE(preferred_mode
)) &&
1314 MODE_REFRESH_DIFF(cur_mode
, target_refresh
) <
1315 MODE_REFRESH_DIFF(preferred_mode
, target_refresh
)) {
1316 preferred_mode
= cur_mode
;
1320 preferred_mode
->type
|= DRM_MODE_TYPE_PREFERRED
;
1324 mode_is_rb(const struct drm_display_mode
*mode
)
1326 return (mode
->htotal
- mode
->hdisplay
== 160) &&
1327 (mode
->hsync_end
- mode
->hdisplay
== 80) &&
1328 (mode
->hsync_end
- mode
->hsync_start
== 32) &&
1329 (mode
->vsync_start
- mode
->vdisplay
== 3);
1333 * drm_mode_find_dmt - Create a copy of a mode if present in DMT
1334 * @dev: Device to duplicate against
1335 * @hsize: Mode width
1336 * @vsize: Mode height
1337 * @fresh: Mode refresh rate
1338 * @rb: Mode reduced-blanking-ness
1340 * Walk the DMT mode list looking for a match for the given parameters.
1341 * Return a newly allocated copy of the mode, or NULL if not found.
1343 struct drm_display_mode
*drm_mode_find_dmt(struct drm_device
*dev
,
1344 int hsize
, int vsize
, int fresh
,
1349 for (i
= 0; i
< ARRAY_SIZE(drm_dmt_modes
); i
++) {
1350 const struct drm_display_mode
*ptr
= &drm_dmt_modes
[i
];
1351 if (hsize
!= ptr
->hdisplay
)
1353 if (vsize
!= ptr
->vdisplay
)
1355 if (fresh
!= drm_mode_vrefresh(ptr
))
1357 if (rb
!= mode_is_rb(ptr
))
1360 return drm_mode_duplicate(dev
, ptr
);
1365 EXPORT_SYMBOL(drm_mode_find_dmt
);
1367 typedef void detailed_cb(struct detailed_timing
*timing
, void *closure
);
1370 cea_for_each_detailed_block(u8
*ext
, detailed_cb
*cb
, void *closure
)
1374 u8
*det_base
= ext
+ d
;
1377 for (i
= 0; i
< n
; i
++)
1378 cb((struct detailed_timing
*)(det_base
+ 18 * i
), closure
);
1382 vtb_for_each_detailed_block(u8
*ext
, detailed_cb
*cb
, void *closure
)
1384 unsigned int i
, n
= min((int)ext
[0x02], 6);
1385 u8
*det_base
= ext
+ 5;
1388 return; /* unknown version */
1390 for (i
= 0; i
< n
; i
++)
1391 cb((struct detailed_timing
*)(det_base
+ 18 * i
), closure
);
1395 drm_for_each_detailed_block(u8
*raw_edid
, detailed_cb
*cb
, void *closure
)
1398 struct edid
*edid
= (struct edid
*)raw_edid
;
1403 for (i
= 0; i
< EDID_DETAILED_TIMINGS
; i
++)
1404 cb(&(edid
->detailed_timings
[i
]), closure
);
1406 for (i
= 1; i
<= raw_edid
[0x7e]; i
++) {
1407 u8
*ext
= raw_edid
+ (i
* EDID_LENGTH
);
1410 cea_for_each_detailed_block(ext
, cb
, closure
);
1413 vtb_for_each_detailed_block(ext
, cb
, closure
);
1422 is_rb(struct detailed_timing
*t
, void *data
)
1425 if (r
[3] == EDID_DETAIL_MONITOR_RANGE
)
1427 *(bool *)data
= true;
1430 /* EDID 1.4 defines this explicitly. For EDID 1.3, we guess, badly. */
1432 drm_monitor_supports_rb(struct edid
*edid
)
1434 if (edid
->revision
>= 4) {
1436 drm_for_each_detailed_block((u8
*)edid
, is_rb
, &ret
);
1440 return ((edid
->input
& DRM_EDID_INPUT_DIGITAL
) != 0);
1444 find_gtf2(struct detailed_timing
*t
, void *data
)
1447 if (r
[3] == EDID_DETAIL_MONITOR_RANGE
&& r
[10] == 0x02)
1451 /* Secondary GTF curve kicks in above some break frequency */
1453 drm_gtf2_hbreak(struct edid
*edid
)
1456 drm_for_each_detailed_block((u8
*)edid
, find_gtf2
, &r
);
1457 return r
? (r
[12] * 2) : 0;
1461 drm_gtf2_2c(struct edid
*edid
)
1464 drm_for_each_detailed_block((u8
*)edid
, find_gtf2
, &r
);
1465 return r
? r
[13] : 0;
1469 drm_gtf2_m(struct edid
*edid
)
1472 drm_for_each_detailed_block((u8
*)edid
, find_gtf2
, &r
);
1473 return r
? (r
[15] << 8) + r
[14] : 0;
1477 drm_gtf2_k(struct edid
*edid
)
1480 drm_for_each_detailed_block((u8
*)edid
, find_gtf2
, &r
);
1481 return r
? r
[16] : 0;
1485 drm_gtf2_2j(struct edid
*edid
)
1488 drm_for_each_detailed_block((u8
*)edid
, find_gtf2
, &r
);
1489 return r
? r
[17] : 0;
1493 * standard_timing_level - get std. timing level(CVT/GTF/DMT)
1494 * @edid: EDID block to scan
1496 static int standard_timing_level(struct edid
*edid
)
1498 if (edid
->revision
>= 2) {
1499 if (edid
->revision
>= 4 && (edid
->features
& DRM_EDID_FEATURE_DEFAULT_GTF
))
1501 if (drm_gtf2_hbreak(edid
))
1509 * 0 is reserved. The spec says 0x01 fill for unused timings. Some old
1510 * monitors fill with ascii space (0x20) instead.
1513 bad_std_timing(u8 a
, u8 b
)
1515 return (a
== 0x00 && b
== 0x00) ||
1516 (a
== 0x01 && b
== 0x01) ||
1517 (a
== 0x20 && b
== 0x20);
1521 * drm_mode_std - convert standard mode info (width, height, refresh) into mode
1522 * @t: standard timing params
1523 * @timing_level: standard timing level
1525 * Take the standard timing params (in this case width, aspect, and refresh)
1526 * and convert them into a real mode using CVT/GTF/DMT.
1528 static struct drm_display_mode
*
1529 drm_mode_std(struct drm_connector
*connector
, struct edid
*edid
,
1530 struct std_timing
*t
, int revision
)
1532 struct drm_device
*dev
= connector
->dev
;
1533 struct drm_display_mode
*m
, *mode
= NULL
;
1536 unsigned aspect_ratio
= (t
->vfreq_aspect
& EDID_TIMING_ASPECT_MASK
)
1537 >> EDID_TIMING_ASPECT_SHIFT
;
1538 unsigned vfreq
= (t
->vfreq_aspect
& EDID_TIMING_VFREQ_MASK
)
1539 >> EDID_TIMING_VFREQ_SHIFT
;
1540 int timing_level
= standard_timing_level(edid
);
1542 if (bad_std_timing(t
->hsize
, t
->vfreq_aspect
))
1545 /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
1546 hsize
= t
->hsize
* 8 + 248;
1547 /* vrefresh_rate = vfreq + 60 */
1548 vrefresh_rate
= vfreq
+ 60;
1549 /* the vdisplay is calculated based on the aspect ratio */
1550 if (aspect_ratio
== 0) {
1554 vsize
= (hsize
* 10) / 16;
1555 } else if (aspect_ratio
== 1)
1556 vsize
= (hsize
* 3) / 4;
1557 else if (aspect_ratio
== 2)
1558 vsize
= (hsize
* 4) / 5;
1560 vsize
= (hsize
* 9) / 16;
1562 /* HDTV hack, part 1 */
1563 if (vrefresh_rate
== 60 &&
1564 ((hsize
== 1360 && vsize
== 765) ||
1565 (hsize
== 1368 && vsize
== 769))) {
1571 * If this connector already has a mode for this size and refresh
1572 * rate (because it came from detailed or CVT info), use that
1573 * instead. This way we don't have to guess at interlace or
1576 list_for_each_entry(m
, &connector
->probed_modes
, head
)
1577 if (m
->hdisplay
== hsize
&& m
->vdisplay
== vsize
&&
1578 drm_mode_vrefresh(m
) == vrefresh_rate
)
1581 /* HDTV hack, part 2 */
1582 if (hsize
== 1366 && vsize
== 768 && vrefresh_rate
== 60) {
1583 mode
= drm_cvt_mode(dev
, 1366, 768, vrefresh_rate
, 0, 0,
1585 mode
->hdisplay
= 1366;
1586 mode
->hsync_start
= mode
->hsync_start
- 1;
1587 mode
->hsync_end
= mode
->hsync_end
- 1;
1591 /* check whether it can be found in default mode table */
1592 if (drm_monitor_supports_rb(edid
)) {
1593 mode
= drm_mode_find_dmt(dev
, hsize
, vsize
, vrefresh_rate
,
1598 mode
= drm_mode_find_dmt(dev
, hsize
, vsize
, vrefresh_rate
, false);
1602 /* okay, generate it */
1603 switch (timing_level
) {
1607 mode
= drm_gtf_mode(dev
, hsize
, vsize
, vrefresh_rate
, 0, 0);
1611 * This is potentially wrong if there's ever a monitor with
1612 * more than one ranges section, each claiming a different
1613 * secondary GTF curve. Please don't do that.
1615 mode
= drm_gtf_mode(dev
, hsize
, vsize
, vrefresh_rate
, 0, 0);
1618 if (drm_mode_hsync(mode
) > drm_gtf2_hbreak(edid
)) {
1619 drm_mode_destroy(dev
, mode
);
1620 mode
= drm_gtf_mode_complex(dev
, hsize
, vsize
,
1621 vrefresh_rate
, 0, 0,
1629 mode
= drm_cvt_mode(dev
, hsize
, vsize
, vrefresh_rate
, 0, 0,
1637 * EDID is delightfully ambiguous about how interlaced modes are to be
1638 * encoded. Our internal representation is of frame height, but some
1639 * HDTV detailed timings are encoded as field height.
1641 * The format list here is from CEA, in frame size. Technically we
1642 * should be checking refresh rate too. Whatever.
1645 drm_mode_do_interlace_quirk(struct drm_display_mode
*mode
,
1646 struct detailed_pixel_timing
*pt
)
1649 static const struct {
1651 } cea_interlaced
[] = {
1661 if (!(pt
->misc
& DRM_EDID_PT_INTERLACED
))
1664 for (i
= 0; i
< ARRAY_SIZE(cea_interlaced
); i
++) {
1665 if ((mode
->hdisplay
== cea_interlaced
[i
].w
) &&
1666 (mode
->vdisplay
== cea_interlaced
[i
].h
/ 2)) {
1667 mode
->vdisplay
*= 2;
1668 mode
->vsync_start
*= 2;
1669 mode
->vsync_end
*= 2;
1675 mode
->flags
|= DRM_MODE_FLAG_INTERLACE
;
1679 * drm_mode_detailed - create a new mode from an EDID detailed timing section
1680 * @dev: DRM device (needed to create new mode)
1682 * @timing: EDID detailed timing info
1683 * @quirks: quirks to apply
1685 * An EDID detailed timing block contains enough info for us to create and
1686 * return a new struct drm_display_mode.
1688 static struct drm_display_mode
*drm_mode_detailed(struct drm_device
*dev
,
1690 struct detailed_timing
*timing
,
1693 struct drm_display_mode
*mode
;
1694 struct detailed_pixel_timing
*pt
= &timing
->data
.pixel_data
;
1695 unsigned hactive
= (pt
->hactive_hblank_hi
& 0xf0) << 4 | pt
->hactive_lo
;
1696 unsigned vactive
= (pt
->vactive_vblank_hi
& 0xf0) << 4 | pt
->vactive_lo
;
1697 unsigned hblank
= (pt
->hactive_hblank_hi
& 0xf) << 8 | pt
->hblank_lo
;
1698 unsigned vblank
= (pt
->vactive_vblank_hi
& 0xf) << 8 | pt
->vblank_lo
;
1699 unsigned hsync_offset
= (pt
->hsync_vsync_offset_pulse_width_hi
& 0xc0) << 2 | pt
->hsync_offset_lo
;
1700 unsigned hsync_pulse_width
= (pt
->hsync_vsync_offset_pulse_width_hi
& 0x30) << 4 | pt
->hsync_pulse_width_lo
;
1701 unsigned vsync_offset
= (pt
->hsync_vsync_offset_pulse_width_hi
& 0xc) << 2 | pt
->vsync_offset_pulse_width_lo
>> 4;
1702 unsigned vsync_pulse_width
= (pt
->hsync_vsync_offset_pulse_width_hi
& 0x3) << 4 | (pt
->vsync_offset_pulse_width_lo
& 0xf);
1704 /* ignore tiny modes */
1705 if (hactive
< 64 || vactive
< 64)
1708 if (pt
->misc
& DRM_EDID_PT_STEREO
) {
1709 DRM_DEBUG_KMS("stereo mode not supported\n");
1712 if (!(pt
->misc
& DRM_EDID_PT_SEPARATE_SYNC
)) {
1713 DRM_DEBUG_KMS("composite sync not supported\n");
1716 /* it is incorrect if hsync/vsync width is zero */
1717 if (!hsync_pulse_width
|| !vsync_pulse_width
) {
1718 DRM_DEBUG_KMS("Incorrect Detailed timing. "
1719 "Wrong Hsync/Vsync pulse width\n");
1723 if (quirks
& EDID_QUIRK_FORCE_REDUCED_BLANKING
) {
1724 mode
= drm_cvt_mode(dev
, hactive
, vactive
, 60, true, false, false);
1731 mode
= drm_mode_create(dev
);
1735 if (quirks
& EDID_QUIRK_135_CLOCK_TOO_HIGH
)
1736 timing
->pixel_clock
= cpu_to_le16(1088);
1738 mode
->clock
= le16_to_cpu(timing
->pixel_clock
) * 10;
1740 mode
->hdisplay
= hactive
;
1741 mode
->hsync_start
= mode
->hdisplay
+ hsync_offset
;
1742 mode
->hsync_end
= mode
->hsync_start
+ hsync_pulse_width
;
1743 mode
->htotal
= mode
->hdisplay
+ hblank
;
1745 mode
->vdisplay
= vactive
;
1746 mode
->vsync_start
= mode
->vdisplay
+ vsync_offset
;
1747 mode
->vsync_end
= mode
->vsync_start
+ vsync_pulse_width
;
1748 mode
->vtotal
= mode
->vdisplay
+ vblank
;
1750 /* Some EDIDs have bogus h/vtotal values */
1751 if (mode
->hsync_end
> mode
->htotal
)
1752 mode
->htotal
= mode
->hsync_end
+ 1;
1753 if (mode
->vsync_end
> mode
->vtotal
)
1754 mode
->vtotal
= mode
->vsync_end
+ 1;
1756 drm_mode_do_interlace_quirk(mode
, pt
);
1758 if (quirks
& EDID_QUIRK_DETAILED_SYNC_PP
) {
1759 pt
->misc
|= DRM_EDID_PT_HSYNC_POSITIVE
| DRM_EDID_PT_VSYNC_POSITIVE
;
1762 mode
->flags
|= (pt
->misc
& DRM_EDID_PT_HSYNC_POSITIVE
) ?
1763 DRM_MODE_FLAG_PHSYNC
: DRM_MODE_FLAG_NHSYNC
;
1764 mode
->flags
|= (pt
->misc
& DRM_EDID_PT_VSYNC_POSITIVE
) ?
1765 DRM_MODE_FLAG_PVSYNC
: DRM_MODE_FLAG_NVSYNC
;
1768 mode
->width_mm
= pt
->width_mm_lo
| (pt
->width_height_mm_hi
& 0xf0) << 4;
1769 mode
->height_mm
= pt
->height_mm_lo
| (pt
->width_height_mm_hi
& 0xf) << 8;
1771 if (quirks
& EDID_QUIRK_DETAILED_IN_CM
) {
1772 mode
->width_mm
*= 10;
1773 mode
->height_mm
*= 10;
1776 if (quirks
& EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE
) {
1777 mode
->width_mm
= edid
->width_cm
* 10;
1778 mode
->height_mm
= edid
->height_cm
* 10;
1781 mode
->type
= DRM_MODE_TYPE_DRIVER
;
1782 mode
->vrefresh
= drm_mode_vrefresh(mode
);
1783 drm_mode_set_name(mode
);
1789 mode_in_hsync_range(const struct drm_display_mode
*mode
,
1790 struct edid
*edid
, u8
*t
)
1792 int hsync
, hmin
, hmax
;
1795 if (edid
->revision
>= 4)
1796 hmin
+= ((t
[4] & 0x04) ? 255 : 0);
1798 if (edid
->revision
>= 4)
1799 hmax
+= ((t
[4] & 0x08) ? 255 : 0);
1800 hsync
= drm_mode_hsync(mode
);
1802 return (hsync
<= hmax
&& hsync
>= hmin
);
1806 mode_in_vsync_range(const struct drm_display_mode
*mode
,
1807 struct edid
*edid
, u8
*t
)
1809 int vsync
, vmin
, vmax
;
1812 if (edid
->revision
>= 4)
1813 vmin
+= ((t
[4] & 0x01) ? 255 : 0);
1815 if (edid
->revision
>= 4)
1816 vmax
+= ((t
[4] & 0x02) ? 255 : 0);
1817 vsync
= drm_mode_vrefresh(mode
);
1819 return (vsync
<= vmax
&& vsync
>= vmin
);
1823 range_pixel_clock(struct edid
*edid
, u8
*t
)
1826 if (t
[9] == 0 || t
[9] == 255)
1829 /* 1.4 with CVT support gives us real precision, yay */
1830 if (edid
->revision
>= 4 && t
[10] == 0x04)
1831 return (t
[9] * 10000) - ((t
[12] >> 2) * 250);
1833 /* 1.3 is pathetic, so fuzz up a bit */
1834 return t
[9] * 10000 + 5001;
1838 mode_in_range(const struct drm_display_mode
*mode
, struct edid
*edid
,
1839 struct detailed_timing
*timing
)
1842 u8
*t
= (u8
*)timing
;
1844 if (!mode_in_hsync_range(mode
, edid
, t
))
1847 if (!mode_in_vsync_range(mode
, edid
, t
))
1850 if ((max_clock
= range_pixel_clock(edid
, t
)))
1851 if (mode
->clock
> max_clock
)
1854 /* 1.4 max horizontal check */
1855 if (edid
->revision
>= 4 && t
[10] == 0x04)
1856 if (t
[13] && mode
->hdisplay
> 8 * (t
[13] + (256 * (t
[12]&0x3))))
1859 if (mode_is_rb(mode
) && !drm_monitor_supports_rb(edid
))
1865 static bool valid_inferred_mode(const struct drm_connector
*connector
,
1866 const struct drm_display_mode
*mode
)
1868 struct drm_display_mode
*m
;
1871 list_for_each_entry(m
, &connector
->probed_modes
, head
) {
1872 if (mode
->hdisplay
== m
->hdisplay
&&
1873 mode
->vdisplay
== m
->vdisplay
&&
1874 drm_mode_vrefresh(mode
) == drm_mode_vrefresh(m
))
1875 return false; /* duplicated */
1876 if (mode
->hdisplay
<= m
->hdisplay
&&
1877 mode
->vdisplay
<= m
->vdisplay
)
1884 drm_dmt_modes_for_range(struct drm_connector
*connector
, struct edid
*edid
,
1885 struct detailed_timing
*timing
)
1888 struct drm_display_mode
*newmode
;
1889 struct drm_device
*dev
= connector
->dev
;
1891 for (i
= 0; i
< ARRAY_SIZE(drm_dmt_modes
); i
++) {
1892 if (mode_in_range(drm_dmt_modes
+ i
, edid
, timing
) &&
1893 valid_inferred_mode(connector
, drm_dmt_modes
+ i
)) {
1894 newmode
= drm_mode_duplicate(dev
, &drm_dmt_modes
[i
]);
1896 drm_mode_probed_add(connector
, newmode
);
1905 /* fix up 1366x768 mode from 1368x768;
1906 * GFT/CVT can't express 1366 width which isn't dividable by 8
1908 static void fixup_mode_1366x768(struct drm_display_mode
*mode
)
1910 if (mode
->hdisplay
== 1368 && mode
->vdisplay
== 768) {
1911 mode
->hdisplay
= 1366;
1912 mode
->hsync_start
--;
1914 drm_mode_set_name(mode
);
1919 drm_gtf_modes_for_range(struct drm_connector
*connector
, struct edid
*edid
,
1920 struct detailed_timing
*timing
)
1923 struct drm_display_mode
*newmode
;
1924 struct drm_device
*dev
= connector
->dev
;
1926 for (i
= 0; i
< ARRAY_SIZE(extra_modes
); i
++) {
1927 const struct minimode
*m
= &extra_modes
[i
];
1928 newmode
= drm_gtf_mode(dev
, m
->w
, m
->h
, m
->r
, 0, 0);
1932 fixup_mode_1366x768(newmode
);
1933 if (!mode_in_range(newmode
, edid
, timing
) ||
1934 !valid_inferred_mode(connector
, newmode
)) {
1935 drm_mode_destroy(dev
, newmode
);
1939 drm_mode_probed_add(connector
, newmode
);
1947 drm_cvt_modes_for_range(struct drm_connector
*connector
, struct edid
*edid
,
1948 struct detailed_timing
*timing
)
1951 struct drm_display_mode
*newmode
;
1952 struct drm_device
*dev
= connector
->dev
;
1953 bool rb
= drm_monitor_supports_rb(edid
);
1955 for (i
= 0; i
< ARRAY_SIZE(extra_modes
); i
++) {
1956 const struct minimode
*m
= &extra_modes
[i
];
1957 newmode
= drm_cvt_mode(dev
, m
->w
, m
->h
, m
->r
, rb
, 0, 0);
1961 fixup_mode_1366x768(newmode
);
1962 if (!mode_in_range(newmode
, edid
, timing
) ||
1963 !valid_inferred_mode(connector
, newmode
)) {
1964 drm_mode_destroy(dev
, newmode
);
1968 drm_mode_probed_add(connector
, newmode
);
1976 do_inferred_modes(struct detailed_timing
*timing
, void *c
)
1978 struct detailed_mode_closure
*closure
= c
;
1979 struct detailed_non_pixel
*data
= &timing
->data
.other_data
;
1980 struct detailed_data_monitor_range
*range
= &data
->data
.range
;
1982 if (data
->type
!= EDID_DETAIL_MONITOR_RANGE
)
1985 closure
->modes
+= drm_dmt_modes_for_range(closure
->connector
,
1989 if (!version_greater(closure
->edid
, 1, 1))
1990 return; /* GTF not defined yet */
1992 switch (range
->flags
) {
1993 case 0x02: /* secondary gtf, XXX could do more */
1994 case 0x00: /* default gtf */
1995 closure
->modes
+= drm_gtf_modes_for_range(closure
->connector
,
1999 case 0x04: /* cvt, only in 1.4+ */
2000 if (!version_greater(closure
->edid
, 1, 3))
2003 closure
->modes
+= drm_cvt_modes_for_range(closure
->connector
,
2007 case 0x01: /* just the ranges, no formula */
2014 add_inferred_modes(struct drm_connector
*connector
, struct edid
*edid
)
2016 struct detailed_mode_closure closure
= {
2017 connector
, edid
, 0, 0, 0
2020 if (version_greater(edid
, 1, 0))
2021 drm_for_each_detailed_block((u8
*)edid
, do_inferred_modes
,
2024 return closure
.modes
;
2028 drm_est3_modes(struct drm_connector
*connector
, struct detailed_timing
*timing
)
2030 int i
, j
, m
, modes
= 0;
2031 struct drm_display_mode
*mode
;
2032 u8
*est
= ((u8
*)timing
) + 5;
2034 for (i
= 0; i
< 6; i
++) {
2035 for (j
= 7; j
> 0; j
--) {
2036 m
= (i
* 8) + (7 - j
);
2037 if (m
>= ARRAY_SIZE(est3_modes
))
2039 if (est
[i
] & (1 << j
)) {
2040 mode
= drm_mode_find_dmt(connector
->dev
,
2046 drm_mode_probed_add(connector
, mode
);
2057 do_established_modes(struct detailed_timing
*timing
, void *c
)
2059 struct detailed_mode_closure
*closure
= c
;
2060 struct detailed_non_pixel
*data
= &timing
->data
.other_data
;
2062 if (data
->type
== EDID_DETAIL_EST_TIMINGS
)
2063 closure
->modes
+= drm_est3_modes(closure
->connector
, timing
);
2067 * add_established_modes - get est. modes from EDID and add them
2068 * @edid: EDID block to scan
2070 * Each EDID block contains a bitmap of the supported "established modes" list
2071 * (defined above). Tease them out and add them to the global modes list.
2074 add_established_modes(struct drm_connector
*connector
, struct edid
*edid
)
2076 struct drm_device
*dev
= connector
->dev
;
2077 unsigned long est_bits
= edid
->established_timings
.t1
|
2078 (edid
->established_timings
.t2
<< 8) |
2079 ((edid
->established_timings
.mfg_rsvd
& 0x80) << 9);
2081 struct detailed_mode_closure closure
= {
2082 connector
, edid
, 0, 0, 0
2085 for (i
= 0; i
<= EDID_EST_TIMINGS
; i
++) {
2086 if (est_bits
& (1<<i
)) {
2087 struct drm_display_mode
*newmode
;
2088 newmode
= drm_mode_duplicate(dev
, &edid_est_modes
[i
]);
2090 drm_mode_probed_add(connector
, newmode
);
2096 if (version_greater(edid
, 1, 0))
2097 drm_for_each_detailed_block((u8
*)edid
,
2098 do_established_modes
, &closure
);
2100 return modes
+ closure
.modes
;
2104 do_standard_modes(struct detailed_timing
*timing
, void *c
)
2106 struct detailed_mode_closure
*closure
= c
;
2107 struct detailed_non_pixel
*data
= &timing
->data
.other_data
;
2108 struct drm_connector
*connector
= closure
->connector
;
2109 struct edid
*edid
= closure
->edid
;
2111 if (data
->type
== EDID_DETAIL_STD_MODES
) {
2113 for (i
= 0; i
< 6; i
++) {
2114 struct std_timing
*std
;
2115 struct drm_display_mode
*newmode
;
2117 std
= &data
->data
.timings
[i
];
2118 newmode
= drm_mode_std(connector
, edid
, std
,
2121 drm_mode_probed_add(connector
, newmode
);
2129 * add_standard_modes - get std. modes from EDID and add them
2130 * @edid: EDID block to scan
2132 * Standard modes can be calculated using the appropriate standard (DMT,
2133 * GTF or CVT. Grab them from @edid and add them to the list.
2136 add_standard_modes(struct drm_connector
*connector
, struct edid
*edid
)
2139 struct detailed_mode_closure closure
= {
2140 connector
, edid
, 0, 0, 0
2143 for (i
= 0; i
< EDID_STD_TIMINGS
; i
++) {
2144 struct drm_display_mode
*newmode
;
2146 newmode
= drm_mode_std(connector
, edid
,
2147 &edid
->standard_timings
[i
],
2150 drm_mode_probed_add(connector
, newmode
);
2155 if (version_greater(edid
, 1, 0))
2156 drm_for_each_detailed_block((u8
*)edid
, do_standard_modes
,
2159 /* XXX should also look for standard codes in VTB blocks */
2161 return modes
+ closure
.modes
;
2164 static int drm_cvt_modes(struct drm_connector
*connector
,
2165 struct detailed_timing
*timing
)
2167 int i
, j
, modes
= 0;
2168 struct drm_display_mode
*newmode
;
2169 struct drm_device
*dev
= connector
->dev
;
2170 struct cvt_timing
*cvt
;
2171 const int rates
[] = { 60, 85, 75, 60, 50 };
2172 const u8 empty
[3] = { 0, 0, 0 };
2174 for (i
= 0; i
< 4; i
++) {
2175 int uninitialized_var(width
), height
;
2176 cvt
= &(timing
->data
.other_data
.data
.cvt
[i
]);
2178 if (!memcmp(cvt
->code
, empty
, 3))
2181 height
= (cvt
->code
[0] + ((cvt
->code
[1] & 0xf0) << 4) + 1) * 2;
2182 switch (cvt
->code
[1] & 0x0c) {
2184 width
= height
* 4 / 3;
2187 width
= height
* 16 / 9;
2190 width
= height
* 16 / 10;
2193 width
= height
* 15 / 9;
2197 for (j
= 1; j
< 5; j
++) {
2198 if (cvt
->code
[2] & (1 << j
)) {
2199 newmode
= drm_cvt_mode(dev
, width
, height
,
2203 drm_mode_probed_add(connector
, newmode
);
2214 do_cvt_mode(struct detailed_timing
*timing
, void *c
)
2216 struct detailed_mode_closure
*closure
= c
;
2217 struct detailed_non_pixel
*data
= &timing
->data
.other_data
;
2219 if (data
->type
== EDID_DETAIL_CVT_3BYTE
)
2220 closure
->modes
+= drm_cvt_modes(closure
->connector
, timing
);
2224 add_cvt_modes(struct drm_connector
*connector
, struct edid
*edid
)
2226 struct detailed_mode_closure closure
= {
2227 connector
, edid
, 0, 0, 0
2230 if (version_greater(edid
, 1, 2))
2231 drm_for_each_detailed_block((u8
*)edid
, do_cvt_mode
, &closure
);
2233 /* XXX should also look for CVT codes in VTB blocks */
2235 return closure
.modes
;
2239 do_detailed_mode(struct detailed_timing
*timing
, void *c
)
2241 struct detailed_mode_closure
*closure
= c
;
2242 struct drm_display_mode
*newmode
;
2244 if (timing
->pixel_clock
) {
2245 newmode
= drm_mode_detailed(closure
->connector
->dev
,
2246 closure
->edid
, timing
,
2251 if (closure
->preferred
)
2252 newmode
->type
|= DRM_MODE_TYPE_PREFERRED
;
2254 drm_mode_probed_add(closure
->connector
, newmode
);
2256 closure
->preferred
= 0;
2261 * add_detailed_modes - Add modes from detailed timings
2262 * @connector: attached connector
2263 * @edid: EDID block to scan
2264 * @quirks: quirks to apply
2267 add_detailed_modes(struct drm_connector
*connector
, struct edid
*edid
,
2270 struct detailed_mode_closure closure
= {
2278 if (closure
.preferred
&& !version_greater(edid
, 1, 3))
2280 (edid
->features
& DRM_EDID_FEATURE_PREFERRED_TIMING
);
2282 drm_for_each_detailed_block((u8
*)edid
, do_detailed_mode
, &closure
);
2284 return closure
.modes
;
2287 #define HDMI_IDENTIFIER 0x000C03
2288 #define AUDIO_BLOCK 0x01
2289 #define VIDEO_BLOCK 0x02
2290 #define VENDOR_BLOCK 0x03
2291 #define SPEAKER_BLOCK 0x04
2292 #define VIDEO_CAPABILITY_BLOCK 0x07
2293 #define EDID_BASIC_AUDIO (1 << 6)
2294 #define EDID_CEA_YCRCB444 (1 << 5)
2295 #define EDID_CEA_YCRCB422 (1 << 4)
2296 #define EDID_CEA_VCDB_QS (1 << 6)
2299 * Search EDID for CEA extension block.
2301 u8
*drm_find_cea_extension(struct edid
*edid
)
2303 u8
*edid_ext
= NULL
;
2306 /* No EDID or EDID extensions */
2307 if (edid
== NULL
|| edid
->extensions
== 0)
2310 /* Find CEA extension */
2311 for (i
= 0; i
< edid
->extensions
; i
++) {
2312 edid_ext
= (u8
*)edid
+ EDID_LENGTH
* (i
+ 1);
2313 if (edid_ext
[0] == CEA_EXT
)
2317 if (i
== edid
->extensions
)
2322 EXPORT_SYMBOL(drm_find_cea_extension
);
2325 * Calculate the alternate clock for the CEA mode
2326 * (60Hz vs. 59.94Hz etc.)
2329 cea_mode_alternate_clock(const struct drm_display_mode
*cea_mode
)
2331 unsigned int clock
= cea_mode
->clock
;
2333 if (cea_mode
->vrefresh
% 6 != 0)
2337 * edid_cea_modes contains the 59.94Hz
2338 * variant for 240 and 480 line modes,
2339 * and the 60Hz variant otherwise.
2341 if (cea_mode
->vdisplay
== 240 || cea_mode
->vdisplay
== 480)
2342 clock
= clock
* 1001 / 1000;
2344 clock
= DIV_ROUND_UP(clock
* 1000, 1001);
2350 * drm_match_cea_mode - look for a CEA mode matching given mode
2351 * @to_match: display mode
2353 * Returns the CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
2356 u8
drm_match_cea_mode(const struct drm_display_mode
*to_match
)
2360 if (!to_match
->clock
)
2363 for (mode
= 0; mode
< ARRAY_SIZE(edid_cea_modes
); mode
++) {
2364 const struct drm_display_mode
*cea_mode
= &edid_cea_modes
[mode
];
2365 unsigned int clock1
, clock2
;
2367 /* Check both 60Hz and 59.94Hz */
2368 clock1
= cea_mode
->clock
;
2369 clock2
= cea_mode_alternate_clock(cea_mode
);
2371 if ((KHZ2PICOS(to_match
->clock
) == KHZ2PICOS(clock1
) ||
2372 KHZ2PICOS(to_match
->clock
) == KHZ2PICOS(clock2
)) &&
2373 drm_mode_equal_no_clocks(to_match
, cea_mode
))
2378 EXPORT_SYMBOL(drm_match_cea_mode
);
2381 add_alternate_cea_modes(struct drm_connector
*connector
, struct edid
*edid
)
2383 struct drm_device
*dev
= connector
->dev
;
2384 struct drm_display_mode
*mode
, *tmp
;
2388 /* Don't add CEA modes if the CEA extension block is missing */
2389 if (!drm_find_cea_extension(edid
))
2393 * Go through all probed modes and create a new mode
2394 * with the alternate clock for certain CEA modes.
2396 list_for_each_entry(mode
, &connector
->probed_modes
, head
) {
2397 const struct drm_display_mode
*cea_mode
;
2398 struct drm_display_mode
*newmode
;
2399 u8 cea_mode_idx
= drm_match_cea_mode(mode
) - 1;
2400 unsigned int clock1
, clock2
;
2402 if (cea_mode_idx
>= ARRAY_SIZE(edid_cea_modes
))
2405 cea_mode
= &edid_cea_modes
[cea_mode_idx
];
2407 clock1
= cea_mode
->clock
;
2408 clock2
= cea_mode_alternate_clock(cea_mode
);
2410 if (clock1
== clock2
)
2413 if (mode
->clock
!= clock1
&& mode
->clock
!= clock2
)
2416 newmode
= drm_mode_duplicate(dev
, cea_mode
);
2421 * The current mode could be either variant. Make
2422 * sure to pick the "other" clock for the new mode.
2424 if (mode
->clock
!= clock1
)
2425 newmode
->clock
= clock1
;
2427 newmode
->clock
= clock2
;
2429 list_add_tail(&newmode
->head
, &list
);
2432 list_for_each_entry_safe(mode
, tmp
, &list
, head
) {
2433 list_del(&mode
->head
);
2434 drm_mode_probed_add(connector
, mode
);
2442 do_cea_modes (struct drm_connector
*connector
, u8
*db
, u8 len
)
2444 struct drm_device
*dev
= connector
->dev
;
2445 u8
* mode
, cea_mode
;
2448 for (mode
= db
; mode
< db
+ len
; mode
++) {
2449 cea_mode
= (*mode
& 127) - 1; /* CEA modes are numbered 1..127 */
2450 if (cea_mode
< ARRAY_SIZE(edid_cea_modes
)) {
2451 struct drm_display_mode
*newmode
;
2452 newmode
= drm_mode_duplicate(dev
,
2453 &edid_cea_modes
[cea_mode
]);
2455 newmode
->vrefresh
= 0;
2456 drm_mode_probed_add(connector
, newmode
);
2466 cea_db_payload_len(const u8
*db
)
2468 return db
[0] & 0x1f;
2472 cea_db_tag(const u8
*db
)
2478 cea_revision(const u8
*cea
)
2484 cea_db_offsets(const u8
*cea
, int *start
, int *end
)
2486 /* Data block offset in CEA extension block */
2491 if (*end
< 4 || *end
> 127)
2496 #define for_each_cea_db(cea, i, start, end) \
2497 for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
2500 add_cea_modes(struct drm_connector
*connector
, struct edid
*edid
)
2502 u8
* cea
= drm_find_cea_extension(edid
);
2506 if (cea
&& cea_revision(cea
) >= 3) {
2509 if (cea_db_offsets(cea
, &start
, &end
))
2512 for_each_cea_db(cea
, i
, start
, end
) {
2514 dbl
= cea_db_payload_len(db
);
2516 if (cea_db_tag(db
) == VIDEO_BLOCK
)
2517 modes
+= do_cea_modes (connector
, db
+1, dbl
);
2525 parse_hdmi_vsdb(struct drm_connector
*connector
, const u8
*db
)
2527 u8 len
= cea_db_payload_len(db
);
2530 connector
->eld
[5] |= (db
[6] >> 7) << 1; /* Supports_AI */
2531 connector
->dvi_dual
= db
[6] & 1;
2534 connector
->max_tmds_clock
= db
[7] * 5;
2536 connector
->latency_present
[0] = db
[8] >> 7;
2537 connector
->latency_present
[1] = (db
[8] >> 6) & 1;
2540 connector
->video_latency
[0] = db
[9];
2542 connector
->audio_latency
[0] = db
[10];
2544 connector
->video_latency
[1] = db
[11];
2546 connector
->audio_latency
[1] = db
[12];
2548 DRM_DEBUG_KMS("HDMI: DVI dual %d, "
2549 "max TMDS clock %d, "
2550 "latency present %d %d, "
2551 "video latency %d %d, "
2552 "audio latency %d %d\n",
2553 connector
->dvi_dual
,
2554 connector
->max_tmds_clock
,
2555 (int) connector
->latency_present
[0],
2556 (int) connector
->latency_present
[1],
2557 connector
->video_latency
[0],
2558 connector
->video_latency
[1],
2559 connector
->audio_latency
[0],
2560 connector
->audio_latency
[1]);
2564 monitor_name(struct detailed_timing
*t
, void *data
)
2566 if (t
->data
.other_data
.type
== EDID_DETAIL_MONITOR_NAME
)
2567 *(u8
**)data
= t
->data
.other_data
.data
.str
.str
;
2570 static bool cea_db_is_hdmi_vsdb(const u8
*db
)
2574 if (cea_db_tag(db
) != VENDOR_BLOCK
)
2577 if (cea_db_payload_len(db
) < 5)
2580 hdmi_id
= db
[1] | (db
[2] << 8) | (db
[3] << 16);
2582 return hdmi_id
== HDMI_IDENTIFIER
;
2586 * drm_edid_to_eld - build ELD from EDID
2587 * @connector: connector corresponding to the HDMI/DP sink
2588 * @edid: EDID to parse
2590 * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver.
2591 * Some ELD fields are left to the graphics driver caller:
2596 void drm_edid_to_eld(struct drm_connector
*connector
, struct edid
*edid
)
2598 uint8_t *eld
= connector
->eld
;
2606 memset(eld
, 0, sizeof(connector
->eld
));
2608 cea
= drm_find_cea_extension(edid
);
2610 DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
2615 drm_for_each_detailed_block((u8
*)edid
, monitor_name
, &name
);
2616 for (mnl
= 0; name
&& mnl
< 13; mnl
++) {
2617 if (name
[mnl
] == 0x0a)
2619 eld
[20 + mnl
] = name
[mnl
];
2621 eld
[4] = (cea
[1] << 5) | mnl
;
2622 DRM_DEBUG_KMS("ELD monitor %s\n", eld
+ 20);
2624 eld
[0] = 2 << 3; /* ELD version: 2 */
2626 eld
[16] = edid
->mfg_id
[0];
2627 eld
[17] = edid
->mfg_id
[1];
2628 eld
[18] = edid
->prod_code
[0];
2629 eld
[19] = edid
->prod_code
[1];
2631 if (cea_revision(cea
) >= 3) {
2634 if (cea_db_offsets(cea
, &start
, &end
)) {
2639 for_each_cea_db(cea
, i
, start
, end
) {
2641 dbl
= cea_db_payload_len(db
);
2643 switch (cea_db_tag(db
)) {
2645 /* Audio Data Block, contains SADs */
2646 sad_count
= dbl
/ 3;
2648 memcpy(eld
+ 20 + mnl
, &db
[1], dbl
);
2651 /* Speaker Allocation Data Block */
2656 /* HDMI Vendor-Specific Data Block */
2657 if (cea_db_is_hdmi_vsdb(db
))
2658 parse_hdmi_vsdb(connector
, db
);
2665 eld
[5] |= sad_count
<< 4;
2666 eld
[2] = (20 + mnl
+ sad_count
* 3 + 3) / 4;
2668 DRM_DEBUG_KMS("ELD size %d, SAD count %d\n", (int)eld
[2], sad_count
);
2670 EXPORT_SYMBOL(drm_edid_to_eld
);
2673 * drm_edid_to_sad - extracts SADs from EDID
2674 * @edid: EDID to parse
2675 * @sads: pointer that will be set to the extracted SADs
2677 * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
2678 * Note: returned pointer needs to be kfreed
2680 * Return number of found SADs or negative number on error.
2682 int drm_edid_to_sad(struct edid
*edid
, struct cea_sad
**sads
)
2685 int i
, start
, end
, dbl
;
2688 cea
= drm_find_cea_extension(edid
);
2690 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
2694 if (cea_revision(cea
) < 3) {
2695 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
2699 if (cea_db_offsets(cea
, &start
, &end
)) {
2700 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
2704 for_each_cea_db(cea
, i
, start
, end
) {
2707 if (cea_db_tag(db
) == AUDIO_BLOCK
) {
2709 dbl
= cea_db_payload_len(db
);
2711 count
= dbl
/ 3; /* SAD is 3B */
2712 *sads
= kcalloc(count
, sizeof(**sads
), GFP_KERNEL
);
2715 for (j
= 0; j
< count
; j
++) {
2716 u8
*sad
= &db
[1 + j
* 3];
2718 (*sads
)[j
].format
= (sad
[0] & 0x78) >> 3;
2719 (*sads
)[j
].channels
= sad
[0] & 0x7;
2720 (*sads
)[j
].freq
= sad
[1] & 0x7F;
2721 (*sads
)[j
].byte2
= sad
[2];
2729 EXPORT_SYMBOL(drm_edid_to_sad
);
2732 * drm_av_sync_delay - HDMI/DP sink audio-video sync delay in millisecond
2733 * @connector: connector associated with the HDMI/DP sink
2734 * @mode: the display mode
2736 int drm_av_sync_delay(struct drm_connector
*connector
,
2737 struct drm_display_mode
*mode
)
2739 int i
= !!(mode
->flags
& DRM_MODE_FLAG_INTERLACE
);
2742 if (!connector
->latency_present
[0])
2744 if (!connector
->latency_present
[1])
2747 a
= connector
->audio_latency
[i
];
2748 v
= connector
->video_latency
[i
];
2751 * HDMI/DP sink doesn't support audio or video?
2753 if (a
== 255 || v
== 255)
2757 * Convert raw EDID values to millisecond.
2758 * Treat unknown latency as 0ms.
2761 a
= min(2 * (a
- 1), 500);
2763 v
= min(2 * (v
- 1), 500);
2765 return max(v
- a
, 0);
2767 EXPORT_SYMBOL(drm_av_sync_delay
);
2770 * drm_select_eld - select one ELD from multiple HDMI/DP sinks
2771 * @encoder: the encoder just changed display mode
2772 * @mode: the adjusted display mode
2774 * It's possible for one encoder to be associated with multiple HDMI/DP sinks.
2775 * The policy is now hard coded to simply use the first HDMI/DP sink's ELD.
2777 struct drm_connector
*drm_select_eld(struct drm_encoder
*encoder
,
2778 struct drm_display_mode
*mode
)
2780 struct drm_connector
*connector
;
2781 struct drm_device
*dev
= encoder
->dev
;
2783 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
)
2784 if (connector
->encoder
== encoder
&& connector
->eld
[0])
2789 EXPORT_SYMBOL(drm_select_eld
);
2792 * drm_detect_hdmi_monitor - detect whether monitor is hdmi.
2793 * @edid: monitor EDID information
2795 * Parse the CEA extension according to CEA-861-B.
2796 * Return true if HDMI, false if not or unknown.
2798 bool drm_detect_hdmi_monitor(struct edid
*edid
)
2802 int start_offset
, end_offset
;
2804 edid_ext
= drm_find_cea_extension(edid
);
2808 if (cea_db_offsets(edid_ext
, &start_offset
, &end_offset
))
2812 * Because HDMI identifier is in Vendor Specific Block,
2813 * search it from all data blocks of CEA extension.
2815 for_each_cea_db(edid_ext
, i
, start_offset
, end_offset
) {
2816 if (cea_db_is_hdmi_vsdb(&edid_ext
[i
]))
2822 EXPORT_SYMBOL(drm_detect_hdmi_monitor
);
2825 * drm_detect_monitor_audio - check monitor audio capability
2827 * Monitor should have CEA extension block.
2828 * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
2829 * audio' only. If there is any audio extension block and supported
2830 * audio format, assume at least 'basic audio' support, even if 'basic
2831 * audio' is not defined in EDID.
2834 bool drm_detect_monitor_audio(struct edid
*edid
)
2838 bool has_audio
= false;
2839 int start_offset
, end_offset
;
2841 edid_ext
= drm_find_cea_extension(edid
);
2845 has_audio
= ((edid_ext
[3] & EDID_BASIC_AUDIO
) != 0);
2848 DRM_DEBUG_KMS("Monitor has basic audio support\n");
2852 if (cea_db_offsets(edid_ext
, &start_offset
, &end_offset
))
2855 for_each_cea_db(edid_ext
, i
, start_offset
, end_offset
) {
2856 if (cea_db_tag(&edid_ext
[i
]) == AUDIO_BLOCK
) {
2858 for (j
= 1; j
< cea_db_payload_len(&edid_ext
[i
]) + 1; j
+= 3)
2859 DRM_DEBUG_KMS("CEA audio format %d\n",
2860 (edid_ext
[i
+ j
] >> 3) & 0xf);
2867 EXPORT_SYMBOL(drm_detect_monitor_audio
);
2870 * drm_rgb_quant_range_selectable - is RGB quantization range selectable?
2872 * Check whether the monitor reports the RGB quantization range selection
2873 * as supported. The AVI infoframe can then be used to inform the monitor
2874 * which quantization range (full or limited) is used.
2876 bool drm_rgb_quant_range_selectable(struct edid
*edid
)
2881 edid_ext
= drm_find_cea_extension(edid
);
2885 if (cea_db_offsets(edid_ext
, &start
, &end
))
2888 for_each_cea_db(edid_ext
, i
, start
, end
) {
2889 if (cea_db_tag(&edid_ext
[i
]) == VIDEO_CAPABILITY_BLOCK
&&
2890 cea_db_payload_len(&edid_ext
[i
]) == 2) {
2891 DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", edid_ext
[i
+ 2]);
2892 return edid_ext
[i
+ 2] & EDID_CEA_VCDB_QS
;
2898 EXPORT_SYMBOL(drm_rgb_quant_range_selectable
);
2901 * drm_add_display_info - pull display info out if present
2903 * @info: display info (attached to connector)
2905 * Grab any available display info and stuff it into the drm_display_info
2906 * structure that's part of the connector. Useful for tracking bpp and
2909 static void drm_add_display_info(struct edid
*edid
,
2910 struct drm_display_info
*info
)
2914 info
->width_mm
= edid
->width_cm
* 10;
2915 info
->height_mm
= edid
->height_cm
* 10;
2917 /* driver figures it out in this case */
2919 info
->color_formats
= 0;
2921 if (edid
->revision
< 3)
2924 if (!(edid
->input
& DRM_EDID_INPUT_DIGITAL
))
2927 /* Get data from CEA blocks if present */
2928 edid_ext
= drm_find_cea_extension(edid
);
2930 info
->cea_rev
= edid_ext
[1];
2932 /* The existence of a CEA block should imply RGB support */
2933 info
->color_formats
= DRM_COLOR_FORMAT_RGB444
;
2934 if (edid_ext
[3] & EDID_CEA_YCRCB444
)
2935 info
->color_formats
|= DRM_COLOR_FORMAT_YCRCB444
;
2936 if (edid_ext
[3] & EDID_CEA_YCRCB422
)
2937 info
->color_formats
|= DRM_COLOR_FORMAT_YCRCB422
;
2940 /* Only defined for 1.4 with digital displays */
2941 if (edid
->revision
< 4)
2944 switch (edid
->input
& DRM_EDID_DIGITAL_DEPTH_MASK
) {
2945 case DRM_EDID_DIGITAL_DEPTH_6
:
2948 case DRM_EDID_DIGITAL_DEPTH_8
:
2951 case DRM_EDID_DIGITAL_DEPTH_10
:
2954 case DRM_EDID_DIGITAL_DEPTH_12
:
2957 case DRM_EDID_DIGITAL_DEPTH_14
:
2960 case DRM_EDID_DIGITAL_DEPTH_16
:
2963 case DRM_EDID_DIGITAL_DEPTH_UNDEF
:
2969 info
->color_formats
|= DRM_COLOR_FORMAT_RGB444
;
2970 if (edid
->features
& DRM_EDID_FEATURE_RGB_YCRCB444
)
2971 info
->color_formats
|= DRM_COLOR_FORMAT_YCRCB444
;
2972 if (edid
->features
& DRM_EDID_FEATURE_RGB_YCRCB422
)
2973 info
->color_formats
|= DRM_COLOR_FORMAT_YCRCB422
;
2977 * drm_add_edid_modes - add modes from EDID data, if available
2978 * @connector: connector we're probing
2981 * Add the specified modes to the connector's mode list.
2983 * Return number of modes added or 0 if we couldn't find any.
2985 int drm_add_edid_modes(struct drm_connector
*connector
, struct edid
*edid
)
2993 if (!drm_edid_is_valid(edid
)) {
2994 dev_warn(connector
->dev
->dev
, "%s: EDID invalid.\n",
2995 drm_get_connector_name(connector
));
2999 quirks
= edid_get_quirks(edid
);
3002 * EDID spec says modes should be preferred in this order:
3003 * - preferred detailed mode
3004 * - other detailed modes from base block
3005 * - detailed modes from extension blocks
3006 * - CVT 3-byte code modes
3007 * - standard timing codes
3008 * - established timing codes
3009 * - modes inferred from GTF or CVT range information
3011 * We get this pretty much right.
3013 * XXX order for additional mode types in extension blocks?
3015 num_modes
+= add_detailed_modes(connector
, edid
, quirks
);
3016 num_modes
+= add_cvt_modes(connector
, edid
);
3017 num_modes
+= add_standard_modes(connector
, edid
);
3018 num_modes
+= add_established_modes(connector
, edid
);
3019 if (edid
->features
& DRM_EDID_FEATURE_DEFAULT_GTF
)
3020 num_modes
+= add_inferred_modes(connector
, edid
);
3021 num_modes
+= add_cea_modes(connector
, edid
);
3022 num_modes
+= add_alternate_cea_modes(connector
, edid
);
3024 if (quirks
& (EDID_QUIRK_PREFER_LARGE_60
| EDID_QUIRK_PREFER_LARGE_75
))
3025 edid_fixup_preferred(connector
, quirks
);
3027 drm_add_display_info(edid
, &connector
->display_info
);
3031 EXPORT_SYMBOL(drm_add_edid_modes
);
3034 * drm_add_modes_noedid - add modes for the connectors without EDID
3035 * @connector: connector we're probing
3036 * @hdisplay: the horizontal display limit
3037 * @vdisplay: the vertical display limit
3039 * Add the specified modes to the connector's mode list. Only when the
3040 * hdisplay/vdisplay is not beyond the given limit, it will be added.
3042 * Return number of modes added or 0 if we couldn't find any.
3044 int drm_add_modes_noedid(struct drm_connector
*connector
,
3045 int hdisplay
, int vdisplay
)
3047 int i
, count
, num_modes
= 0;
3048 struct drm_display_mode
*mode
;
3049 struct drm_device
*dev
= connector
->dev
;
3051 count
= sizeof(drm_dmt_modes
) / sizeof(struct drm_display_mode
);
3057 for (i
= 0; i
< count
; i
++) {
3058 const struct drm_display_mode
*ptr
= &drm_dmt_modes
[i
];
3059 if (hdisplay
&& vdisplay
) {
3061 * Only when two are valid, they will be used to check
3062 * whether the mode should be added to the mode list of
3065 if (ptr
->hdisplay
> hdisplay
||
3066 ptr
->vdisplay
> vdisplay
)
3069 if (drm_mode_vrefresh(ptr
) > 61)
3071 mode
= drm_mode_duplicate(dev
, ptr
);
3073 drm_mode_probed_add(connector
, mode
);
3079 EXPORT_SYMBOL(drm_add_modes_noedid
);
3082 * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
3083 * data from a DRM display mode
3084 * @frame: HDMI AVI infoframe
3085 * @mode: DRM display mode
3087 * Returns 0 on success or a negative error code on failure.
3090 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe
*frame
,
3091 const struct drm_display_mode
*mode
)
3095 if (!frame
|| !mode
)
3098 err
= hdmi_avi_infoframe_init(frame
);
3102 frame
->video_code
= drm_match_cea_mode(mode
);
3103 if (!frame
->video_code
)
3106 frame
->picture_aspect
= HDMI_PICTURE_ASPECT_NONE
;
3107 frame
->active_aspect
= HDMI_ACTIVE_ASPECT_PICTURE
;
3111 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode
);