2 * Copyright (c) 2006 Luc Verhaegen (quirks list)
3 * Copyright (c) 2007-2008 Intel Corporation
5 * Copyright 2010 Red Hat, Inc.
7 * DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from
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
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28 * DEALINGS IN THE SOFTWARE.
31 #include <linux/bitfield.h>
32 #include <linux/hdmi.h>
33 #include <linux/i2c.h>
34 #include <linux/kernel.h>
35 #include <linux/module.h>
36 #include <linux/pci.h>
37 #include <linux/slab.h>
38 #include <linux/vga_switcheroo.h>
40 #include <drm/drm_displayid.h>
41 #include <drm/drm_drv.h>
42 #include <drm/drm_edid.h>
43 #include <drm/drm_encoder.h>
44 #include <drm/drm_print.h>
46 #include "drm_crtc_internal.h"
48 static int oui(u8 first, u8 second, u8 third)
50 return (first << 16) | (second << 8) | third;
53 #define EDID_EST_TIMINGS 16
54 #define EDID_STD_TIMINGS 8
55 #define EDID_DETAILED_TIMINGS 4
58 * EDID blocks out in the wild have a variety of bugs, try to collect
59 * them here (note that userspace may work around broken monitors first,
60 * but fixes should make their way here so that the kernel "just works"
61 * on as many displays as possible).
64 /* First detailed mode wrong, use largest 60Hz mode */
65 #define EDID_QUIRK_PREFER_LARGE_60 (1 << 0)
66 /* Reported 135MHz pixel clock is too high, needs adjustment */
67 #define EDID_QUIRK_135_CLOCK_TOO_HIGH (1 << 1)
68 /* Prefer the largest mode at 75 Hz */
69 #define EDID_QUIRK_PREFER_LARGE_75 (1 << 2)
70 /* Detail timing is in cm not mm */
71 #define EDID_QUIRK_DETAILED_IN_CM (1 << 3)
72 /* Detailed timing descriptors have bogus size values, so just take the
73 * maximum size and use that.
75 #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE (1 << 4)
76 /* use +hsync +vsync for detailed mode */
77 #define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6)
78 /* Force reduced-blanking timings for detailed modes */
79 #define EDID_QUIRK_FORCE_REDUCED_BLANKING (1 << 7)
81 #define EDID_QUIRK_FORCE_8BPC (1 << 8)
83 #define EDID_QUIRK_FORCE_12BPC (1 << 9)
85 #define EDID_QUIRK_FORCE_6BPC (1 << 10)
87 #define EDID_QUIRK_FORCE_10BPC (1 << 11)
88 /* Non desktop display (i.e. HMD) */
89 #define EDID_QUIRK_NON_DESKTOP (1 << 12)
90 /* Cap the DSC target bitrate to 15bpp */
91 #define EDID_QUIRK_CAP_DSC_15BPP (1 << 13)
93 #define MICROSOFT_IEEE_OUI 0xca125c
95 struct detailed_mode_closure {
96 struct drm_connector *connector;
97 const struct drm_edid *drm_edid;
107 #define EDID_QUIRK(vend_chr_0, vend_chr_1, vend_chr_2, product_id, _quirks) \
109 .panel_id = drm_edid_encode_panel_id(vend_chr_0, vend_chr_1, vend_chr_2, \
114 static const struct edid_quirk {
117 } edid_quirk_list[] = {
119 EDID_QUIRK('A', 'C', 'R', 44358, EDID_QUIRK_PREFER_LARGE_60),
121 EDID_QUIRK('A', 'P', 'I', 0x7602, EDID_QUIRK_PREFER_LARGE_60),
123 /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
124 EDID_QUIRK('A', 'E', 'O', 0, EDID_QUIRK_FORCE_6BPC),
126 /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
127 EDID_QUIRK('B', 'O', 'E', 0x78b, EDID_QUIRK_FORCE_6BPC),
129 /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
130 EDID_QUIRK('C', 'P', 'T', 0x17df, EDID_QUIRK_FORCE_6BPC),
132 /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
133 EDID_QUIRK('S', 'D', 'C', 0x3652, EDID_QUIRK_FORCE_6BPC),
135 /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
136 EDID_QUIRK('B', 'O', 'E', 0x0771, EDID_QUIRK_FORCE_6BPC),
138 /* Belinea 10 15 55 */
139 EDID_QUIRK('M', 'A', 'X', 1516, EDID_QUIRK_PREFER_LARGE_60),
140 EDID_QUIRK('M', 'A', 'X', 0x77e, EDID_QUIRK_PREFER_LARGE_60),
142 /* Envision Peripherals, Inc. EN-7100e */
143 EDID_QUIRK('E', 'P', 'I', 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH),
144 /* Envision EN2028 */
145 EDID_QUIRK('E', 'P', 'I', 8232, EDID_QUIRK_PREFER_LARGE_60),
147 /* Funai Electronics PM36B */
148 EDID_QUIRK('F', 'C', 'M', 13600, EDID_QUIRK_PREFER_LARGE_75 |
149 EDID_QUIRK_DETAILED_IN_CM),
152 EDID_QUIRK('G', 'S', 'M', 0x5bbf, EDID_QUIRK_CAP_DSC_15BPP),
155 EDID_QUIRK('G', 'S', 'M', 0x5b9a, EDID_QUIRK_CAP_DSC_15BPP),
157 /* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
158 EDID_QUIRK('L', 'G', 'D', 764, EDID_QUIRK_FORCE_10BPC),
160 /* LG Philips LCD LP154W01-A5 */
161 EDID_QUIRK('L', 'P', 'L', 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE),
162 EDID_QUIRK('L', 'P', 'L', 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE),
164 /* Samsung SyncMaster 205BW. Note: irony */
165 EDID_QUIRK('S', 'A', 'M', 541, EDID_QUIRK_DETAILED_SYNC_PP),
166 /* Samsung SyncMaster 22[5-6]BW */
167 EDID_QUIRK('S', 'A', 'M', 596, EDID_QUIRK_PREFER_LARGE_60),
168 EDID_QUIRK('S', 'A', 'M', 638, EDID_QUIRK_PREFER_LARGE_60),
170 /* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
171 EDID_QUIRK('S', 'N', 'Y', 0x2541, EDID_QUIRK_FORCE_12BPC),
173 /* ViewSonic VA2026w */
174 EDID_QUIRK('V', 'S', 'C', 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING),
176 /* Medion MD 30217 PG */
177 EDID_QUIRK('M', 'E', 'D', 0x7b8, EDID_QUIRK_PREFER_LARGE_75),
180 EDID_QUIRK('S', 'D', 'C', 18514, EDID_QUIRK_FORCE_6BPC),
182 /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
183 EDID_QUIRK('S', 'E', 'C', 0xd033, EDID_QUIRK_FORCE_8BPC),
185 /* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
186 EDID_QUIRK('E', 'T', 'R', 13896, EDID_QUIRK_FORCE_8BPC),
188 /* Valve Index Headset */
189 EDID_QUIRK('V', 'L', 'V', 0x91a8, EDID_QUIRK_NON_DESKTOP),
190 EDID_QUIRK('V', 'L', 'V', 0x91b0, EDID_QUIRK_NON_DESKTOP),
191 EDID_QUIRK('V', 'L', 'V', 0x91b1, EDID_QUIRK_NON_DESKTOP),
192 EDID_QUIRK('V', 'L', 'V', 0x91b2, EDID_QUIRK_NON_DESKTOP),
193 EDID_QUIRK('V', 'L', 'V', 0x91b3, EDID_QUIRK_NON_DESKTOP),
194 EDID_QUIRK('V', 'L', 'V', 0x91b4, EDID_QUIRK_NON_DESKTOP),
195 EDID_QUIRK('V', 'L', 'V', 0x91b5, EDID_QUIRK_NON_DESKTOP),
196 EDID_QUIRK('V', 'L', 'V', 0x91b6, EDID_QUIRK_NON_DESKTOP),
197 EDID_QUIRK('V', 'L', 'V', 0x91b7, EDID_QUIRK_NON_DESKTOP),
198 EDID_QUIRK('V', 'L', 'V', 0x91b8, EDID_QUIRK_NON_DESKTOP),
199 EDID_QUIRK('V', 'L', 'V', 0x91b9, EDID_QUIRK_NON_DESKTOP),
200 EDID_QUIRK('V', 'L', 'V', 0x91ba, EDID_QUIRK_NON_DESKTOP),
201 EDID_QUIRK('V', 'L', 'V', 0x91bb, EDID_QUIRK_NON_DESKTOP),
202 EDID_QUIRK('V', 'L', 'V', 0x91bc, EDID_QUIRK_NON_DESKTOP),
203 EDID_QUIRK('V', 'L', 'V', 0x91bd, EDID_QUIRK_NON_DESKTOP),
204 EDID_QUIRK('V', 'L', 'V', 0x91be, EDID_QUIRK_NON_DESKTOP),
205 EDID_QUIRK('V', 'L', 'V', 0x91bf, EDID_QUIRK_NON_DESKTOP),
207 /* HTC Vive and Vive Pro VR Headsets */
208 EDID_QUIRK('H', 'V', 'R', 0xaa01, EDID_QUIRK_NON_DESKTOP),
209 EDID_QUIRK('H', 'V', 'R', 0xaa02, EDID_QUIRK_NON_DESKTOP),
211 /* Oculus Rift DK1, DK2, CV1 and Rift S VR Headsets */
212 EDID_QUIRK('O', 'V', 'R', 0x0001, EDID_QUIRK_NON_DESKTOP),
213 EDID_QUIRK('O', 'V', 'R', 0x0003, EDID_QUIRK_NON_DESKTOP),
214 EDID_QUIRK('O', 'V', 'R', 0x0004, EDID_QUIRK_NON_DESKTOP),
215 EDID_QUIRK('O', 'V', 'R', 0x0012, EDID_QUIRK_NON_DESKTOP),
217 /* Windows Mixed Reality Headsets */
218 EDID_QUIRK('A', 'C', 'R', 0x7fce, EDID_QUIRK_NON_DESKTOP),
219 EDID_QUIRK('L', 'E', 'N', 0x0408, EDID_QUIRK_NON_DESKTOP),
220 EDID_QUIRK('F', 'U', 'J', 0x1970, EDID_QUIRK_NON_DESKTOP),
221 EDID_QUIRK('D', 'E', 'L', 0x7fce, EDID_QUIRK_NON_DESKTOP),
222 EDID_QUIRK('S', 'E', 'C', 0x144a, EDID_QUIRK_NON_DESKTOP),
223 EDID_QUIRK('A', 'U', 'S', 0xc102, EDID_QUIRK_NON_DESKTOP),
225 /* Sony PlayStation VR Headset */
226 EDID_QUIRK('S', 'N', 'Y', 0x0704, EDID_QUIRK_NON_DESKTOP),
228 /* Sensics VR Headsets */
229 EDID_QUIRK('S', 'E', 'N', 0x1019, EDID_QUIRK_NON_DESKTOP),
231 /* OSVR HDK and HDK2 VR Headsets */
232 EDID_QUIRK('S', 'V', 'R', 0x1019, EDID_QUIRK_NON_DESKTOP),
236 * Autogenerated from the DMT spec.
237 * This table is copied from xfree86/modes/xf86EdidModes.c.
239 static const struct drm_display_mode drm_dmt_modes[] = {
240 /* 0x01 - 640x350@85Hz */
241 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
242 736, 832, 0, 350, 382, 385, 445, 0,
243 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
244 /* 0x02 - 640x400@85Hz */
245 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
246 736, 832, 0, 400, 401, 404, 445, 0,
247 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
248 /* 0x03 - 720x400@85Hz */
249 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
250 828, 936, 0, 400, 401, 404, 446, 0,
251 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
252 /* 0x04 - 640x480@60Hz */
253 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
254 752, 800, 0, 480, 490, 492, 525, 0,
255 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
256 /* 0x05 - 640x480@72Hz */
257 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
258 704, 832, 0, 480, 489, 492, 520, 0,
259 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
260 /* 0x06 - 640x480@75Hz */
261 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
262 720, 840, 0, 480, 481, 484, 500, 0,
263 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
264 /* 0x07 - 640x480@85Hz */
265 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
266 752, 832, 0, 480, 481, 484, 509, 0,
267 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
268 /* 0x08 - 800x600@56Hz */
269 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
270 896, 1024, 0, 600, 601, 603, 625, 0,
271 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
272 /* 0x09 - 800x600@60Hz */
273 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
274 968, 1056, 0, 600, 601, 605, 628, 0,
275 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
276 /* 0x0a - 800x600@72Hz */
277 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
278 976, 1040, 0, 600, 637, 643, 666, 0,
279 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
280 /* 0x0b - 800x600@75Hz */
281 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
282 896, 1056, 0, 600, 601, 604, 625, 0,
283 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
284 /* 0x0c - 800x600@85Hz */
285 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
286 896, 1048, 0, 600, 601, 604, 631, 0,
287 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
288 /* 0x0d - 800x600@120Hz RB */
289 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
290 880, 960, 0, 600, 603, 607, 636, 0,
291 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
292 /* 0x0e - 848x480@60Hz */
293 { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
294 976, 1088, 0, 480, 486, 494, 517, 0,
295 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
296 /* 0x0f - 1024x768@43Hz, interlace */
297 { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
298 1208, 1264, 0, 768, 768, 776, 817, 0,
299 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
300 DRM_MODE_FLAG_INTERLACE) },
301 /* 0x10 - 1024x768@60Hz */
302 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
303 1184, 1344, 0, 768, 771, 777, 806, 0,
304 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
305 /* 0x11 - 1024x768@70Hz */
306 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
307 1184, 1328, 0, 768, 771, 777, 806, 0,
308 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
309 /* 0x12 - 1024x768@75Hz */
310 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
311 1136, 1312, 0, 768, 769, 772, 800, 0,
312 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
313 /* 0x13 - 1024x768@85Hz */
314 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
315 1168, 1376, 0, 768, 769, 772, 808, 0,
316 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
317 /* 0x14 - 1024x768@120Hz RB */
318 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
319 1104, 1184, 0, 768, 771, 775, 813, 0,
320 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
321 /* 0x15 - 1152x864@75Hz */
322 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
323 1344, 1600, 0, 864, 865, 868, 900, 0,
324 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
325 /* 0x55 - 1280x720@60Hz */
326 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
327 1430, 1650, 0, 720, 725, 730, 750, 0,
328 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
329 /* 0x16 - 1280x768@60Hz RB */
330 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
331 1360, 1440, 0, 768, 771, 778, 790, 0,
332 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
333 /* 0x17 - 1280x768@60Hz */
334 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
335 1472, 1664, 0, 768, 771, 778, 798, 0,
336 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
337 /* 0x18 - 1280x768@75Hz */
338 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
339 1488, 1696, 0, 768, 771, 778, 805, 0,
340 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
341 /* 0x19 - 1280x768@85Hz */
342 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
343 1496, 1712, 0, 768, 771, 778, 809, 0,
344 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
345 /* 0x1a - 1280x768@120Hz RB */
346 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
347 1360, 1440, 0, 768, 771, 778, 813, 0,
348 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
349 /* 0x1b - 1280x800@60Hz RB */
350 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
351 1360, 1440, 0, 800, 803, 809, 823, 0,
352 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
353 /* 0x1c - 1280x800@60Hz */
354 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
355 1480, 1680, 0, 800, 803, 809, 831, 0,
356 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
357 /* 0x1d - 1280x800@75Hz */
358 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
359 1488, 1696, 0, 800, 803, 809, 838, 0,
360 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
361 /* 0x1e - 1280x800@85Hz */
362 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
363 1496, 1712, 0, 800, 803, 809, 843, 0,
364 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
365 /* 0x1f - 1280x800@120Hz RB */
366 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
367 1360, 1440, 0, 800, 803, 809, 847, 0,
368 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
369 /* 0x20 - 1280x960@60Hz */
370 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
371 1488, 1800, 0, 960, 961, 964, 1000, 0,
372 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
373 /* 0x21 - 1280x960@85Hz */
374 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
375 1504, 1728, 0, 960, 961, 964, 1011, 0,
376 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
377 /* 0x22 - 1280x960@120Hz RB */
378 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
379 1360, 1440, 0, 960, 963, 967, 1017, 0,
380 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
381 /* 0x23 - 1280x1024@60Hz */
382 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
383 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
384 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
385 /* 0x24 - 1280x1024@75Hz */
386 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
387 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
388 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
389 /* 0x25 - 1280x1024@85Hz */
390 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
391 1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
392 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
393 /* 0x26 - 1280x1024@120Hz RB */
394 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
395 1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
396 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
397 /* 0x27 - 1360x768@60Hz */
398 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
399 1536, 1792, 0, 768, 771, 777, 795, 0,
400 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
401 /* 0x28 - 1360x768@120Hz RB */
402 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
403 1440, 1520, 0, 768, 771, 776, 813, 0,
404 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
405 /* 0x51 - 1366x768@60Hz */
406 { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
407 1579, 1792, 0, 768, 771, 774, 798, 0,
408 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
409 /* 0x56 - 1366x768@60Hz */
410 { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
411 1436, 1500, 0, 768, 769, 772, 800, 0,
412 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
413 /* 0x29 - 1400x1050@60Hz RB */
414 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
415 1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
416 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
417 /* 0x2a - 1400x1050@60Hz */
418 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
419 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
420 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
421 /* 0x2b - 1400x1050@75Hz */
422 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
423 1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
424 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
425 /* 0x2c - 1400x1050@85Hz */
426 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
427 1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
428 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
429 /* 0x2d - 1400x1050@120Hz RB */
430 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
431 1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
432 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
433 /* 0x2e - 1440x900@60Hz RB */
434 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
435 1520, 1600, 0, 900, 903, 909, 926, 0,
436 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
437 /* 0x2f - 1440x900@60Hz */
438 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
439 1672, 1904, 0, 900, 903, 909, 934, 0,
440 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
441 /* 0x30 - 1440x900@75Hz */
442 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
443 1688, 1936, 0, 900, 903, 909, 942, 0,
444 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
445 /* 0x31 - 1440x900@85Hz */
446 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
447 1696, 1952, 0, 900, 903, 909, 948, 0,
448 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
449 /* 0x32 - 1440x900@120Hz RB */
450 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
451 1520, 1600, 0, 900, 903, 909, 953, 0,
452 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
453 /* 0x53 - 1600x900@60Hz */
454 { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
455 1704, 1800, 0, 900, 901, 904, 1000, 0,
456 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
457 /* 0x33 - 1600x1200@60Hz */
458 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
459 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
460 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
461 /* 0x34 - 1600x1200@65Hz */
462 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
463 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
464 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
465 /* 0x35 - 1600x1200@70Hz */
466 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
467 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
468 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
469 /* 0x36 - 1600x1200@75Hz */
470 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
471 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
472 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
473 /* 0x37 - 1600x1200@85Hz */
474 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
475 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
476 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
477 /* 0x38 - 1600x1200@120Hz RB */
478 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
479 1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
480 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
481 /* 0x39 - 1680x1050@60Hz RB */
482 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
483 1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
484 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
485 /* 0x3a - 1680x1050@60Hz */
486 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
487 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
488 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
489 /* 0x3b - 1680x1050@75Hz */
490 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
491 1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
492 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
493 /* 0x3c - 1680x1050@85Hz */
494 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
495 1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
496 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
497 /* 0x3d - 1680x1050@120Hz RB */
498 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
499 1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
500 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
501 /* 0x3e - 1792x1344@60Hz */
502 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
503 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
504 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
505 /* 0x3f - 1792x1344@75Hz */
506 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
507 2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
508 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
509 /* 0x40 - 1792x1344@120Hz RB */
510 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
511 1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
512 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
513 /* 0x41 - 1856x1392@60Hz */
514 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
515 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
516 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
517 /* 0x42 - 1856x1392@75Hz */
518 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
519 2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
520 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
521 /* 0x43 - 1856x1392@120Hz RB */
522 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
523 1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
524 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
525 /* 0x52 - 1920x1080@60Hz */
526 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
527 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
528 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
529 /* 0x44 - 1920x1200@60Hz RB */
530 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
531 2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
532 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
533 /* 0x45 - 1920x1200@60Hz */
534 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
535 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
536 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
537 /* 0x46 - 1920x1200@75Hz */
538 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
539 2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
540 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
541 /* 0x47 - 1920x1200@85Hz */
542 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
543 2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
544 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
545 /* 0x48 - 1920x1200@120Hz RB */
546 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
547 2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
548 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
549 /* 0x49 - 1920x1440@60Hz */
550 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
551 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
552 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
553 /* 0x4a - 1920x1440@75Hz */
554 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
555 2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
556 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
557 /* 0x4b - 1920x1440@120Hz RB */
558 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
559 2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
560 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
561 /* 0x54 - 2048x1152@60Hz */
562 { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
563 2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
564 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
565 /* 0x4c - 2560x1600@60Hz RB */
566 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
567 2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
568 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
569 /* 0x4d - 2560x1600@60Hz */
570 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
571 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
572 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
573 /* 0x4e - 2560x1600@75Hz */
574 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
575 3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
576 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
577 /* 0x4f - 2560x1600@85Hz */
578 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
579 3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
580 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
581 /* 0x50 - 2560x1600@120Hz RB */
582 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
583 2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
584 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
585 /* 0x57 - 4096x2160@60Hz RB */
586 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
587 4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
588 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
590 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
591 4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
592 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
596 * These more or less come from the DMT spec. The 720x400 modes are
597 * inferred from historical 80x25 practice. The 640x480@67 and 832x624@75
598 * modes are old-school Mac modes. The EDID spec says the 1152x864@75 mode
599 * should be 1152x870, again for the Mac, but instead we use the x864 DMT
602 * The DMT modes have been fact-checked; the rest are mild guesses.
604 static const struct drm_display_mode edid_est_modes[] = {
605 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
606 968, 1056, 0, 600, 601, 605, 628, 0,
607 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
608 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
609 896, 1024, 0, 600, 601, 603, 625, 0,
610 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
611 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
612 720, 840, 0, 480, 481, 484, 500, 0,
613 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
614 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
615 704, 832, 0, 480, 489, 492, 520, 0,
616 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
617 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
618 768, 864, 0, 480, 483, 486, 525, 0,
619 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
620 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
621 752, 800, 0, 480, 490, 492, 525, 0,
622 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
623 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
624 846, 900, 0, 400, 421, 423, 449, 0,
625 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
626 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
627 846, 900, 0, 400, 412, 414, 449, 0,
628 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
629 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
630 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
631 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
632 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
633 1136, 1312, 0, 768, 769, 772, 800, 0,
634 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
635 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
636 1184, 1328, 0, 768, 771, 777, 806, 0,
637 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
638 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
639 1184, 1344, 0, 768, 771, 777, 806, 0,
640 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
641 { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
642 1208, 1264, 0, 768, 768, 776, 817, 0,
643 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
644 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
645 928, 1152, 0, 624, 625, 628, 667, 0,
646 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
647 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
648 896, 1056, 0, 600, 601, 604, 625, 0,
649 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
650 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
651 976, 1040, 0, 600, 637, 643, 666, 0,
652 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
653 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
654 1344, 1600, 0, 864, 865, 868, 900, 0,
655 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
665 static const struct minimode est3_modes[] = {
673 { 1024, 768, 85, 0 },
674 { 1152, 864, 75, 0 },
676 { 1280, 768, 60, 1 },
677 { 1280, 768, 60, 0 },
678 { 1280, 768, 75, 0 },
679 { 1280, 768, 85, 0 },
680 { 1280, 960, 60, 0 },
681 { 1280, 960, 85, 0 },
682 { 1280, 1024, 60, 0 },
683 { 1280, 1024, 85, 0 },
685 { 1360, 768, 60, 0 },
686 { 1440, 900, 60, 1 },
687 { 1440, 900, 60, 0 },
688 { 1440, 900, 75, 0 },
689 { 1440, 900, 85, 0 },
690 { 1400, 1050, 60, 1 },
691 { 1400, 1050, 60, 0 },
692 { 1400, 1050, 75, 0 },
694 { 1400, 1050, 85, 0 },
695 { 1680, 1050, 60, 1 },
696 { 1680, 1050, 60, 0 },
697 { 1680, 1050, 75, 0 },
698 { 1680, 1050, 85, 0 },
699 { 1600, 1200, 60, 0 },
700 { 1600, 1200, 65, 0 },
701 { 1600, 1200, 70, 0 },
703 { 1600, 1200, 75, 0 },
704 { 1600, 1200, 85, 0 },
705 { 1792, 1344, 60, 0 },
706 { 1792, 1344, 75, 0 },
707 { 1856, 1392, 60, 0 },
708 { 1856, 1392, 75, 0 },
709 { 1920, 1200, 60, 1 },
710 { 1920, 1200, 60, 0 },
712 { 1920, 1200, 75, 0 },
713 { 1920, 1200, 85, 0 },
714 { 1920, 1440, 60, 0 },
715 { 1920, 1440, 75, 0 },
718 static const struct minimode extra_modes[] = {
719 { 1024, 576, 60, 0 },
720 { 1366, 768, 60, 0 },
721 { 1600, 900, 60, 0 },
722 { 1680, 945, 60, 0 },
723 { 1920, 1080, 60, 0 },
724 { 2048, 1152, 60, 0 },
725 { 2048, 1536, 60, 0 },
729 * From CEA/CTA-861 spec.
731 * Do not access directly, instead always use cea_mode_for_vic().
733 static const struct drm_display_mode edid_cea_modes_1[] = {
734 /* 1 - 640x480@60Hz 4:3 */
735 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
736 752, 800, 0, 480, 490, 492, 525, 0,
737 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
738 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
739 /* 2 - 720x480@60Hz 4:3 */
740 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
741 798, 858, 0, 480, 489, 495, 525, 0,
742 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
743 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
744 /* 3 - 720x480@60Hz 16:9 */
745 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
746 798, 858, 0, 480, 489, 495, 525, 0,
747 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
748 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
749 /* 4 - 1280x720@60Hz 16:9 */
750 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
751 1430, 1650, 0, 720, 725, 730, 750, 0,
752 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
753 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
754 /* 5 - 1920x1080i@60Hz 16:9 */
755 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
756 2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
757 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
758 DRM_MODE_FLAG_INTERLACE),
759 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
760 /* 6 - 720(1440)x480i@60Hz 4:3 */
761 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
762 801, 858, 0, 480, 488, 494, 525, 0,
763 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
764 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
765 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
766 /* 7 - 720(1440)x480i@60Hz 16:9 */
767 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
768 801, 858, 0, 480, 488, 494, 525, 0,
769 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
770 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
771 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
772 /* 8 - 720(1440)x240@60Hz 4:3 */
773 { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
774 801, 858, 0, 240, 244, 247, 262, 0,
775 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
776 DRM_MODE_FLAG_DBLCLK),
777 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
778 /* 9 - 720(1440)x240@60Hz 16:9 */
779 { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
780 801, 858, 0, 240, 244, 247, 262, 0,
781 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
782 DRM_MODE_FLAG_DBLCLK),
783 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
784 /* 10 - 2880x480i@60Hz 4:3 */
785 { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
786 3204, 3432, 0, 480, 488, 494, 525, 0,
787 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
788 DRM_MODE_FLAG_INTERLACE),
789 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
790 /* 11 - 2880x480i@60Hz 16:9 */
791 { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
792 3204, 3432, 0, 480, 488, 494, 525, 0,
793 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
794 DRM_MODE_FLAG_INTERLACE),
795 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
796 /* 12 - 2880x240@60Hz 4:3 */
797 { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
798 3204, 3432, 0, 240, 244, 247, 262, 0,
799 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
800 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
801 /* 13 - 2880x240@60Hz 16:9 */
802 { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
803 3204, 3432, 0, 240, 244, 247, 262, 0,
804 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
805 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
806 /* 14 - 1440x480@60Hz 4:3 */
807 { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
808 1596, 1716, 0, 480, 489, 495, 525, 0,
809 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
810 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
811 /* 15 - 1440x480@60Hz 16:9 */
812 { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
813 1596, 1716, 0, 480, 489, 495, 525, 0,
814 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
815 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
816 /* 16 - 1920x1080@60Hz 16:9 */
817 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
818 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
819 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
820 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
821 /* 17 - 720x576@50Hz 4:3 */
822 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
823 796, 864, 0, 576, 581, 586, 625, 0,
824 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
825 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
826 /* 18 - 720x576@50Hz 16:9 */
827 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
828 796, 864, 0, 576, 581, 586, 625, 0,
829 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
830 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
831 /* 19 - 1280x720@50Hz 16:9 */
832 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
833 1760, 1980, 0, 720, 725, 730, 750, 0,
834 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
835 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
836 /* 20 - 1920x1080i@50Hz 16:9 */
837 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
838 2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
839 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
840 DRM_MODE_FLAG_INTERLACE),
841 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
842 /* 21 - 720(1440)x576i@50Hz 4:3 */
843 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
844 795, 864, 0, 576, 580, 586, 625, 0,
845 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
846 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
847 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
848 /* 22 - 720(1440)x576i@50Hz 16:9 */
849 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
850 795, 864, 0, 576, 580, 586, 625, 0,
851 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
852 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
853 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
854 /* 23 - 720(1440)x288@50Hz 4:3 */
855 { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
856 795, 864, 0, 288, 290, 293, 312, 0,
857 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
858 DRM_MODE_FLAG_DBLCLK),
859 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
860 /* 24 - 720(1440)x288@50Hz 16:9 */
861 { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
862 795, 864, 0, 288, 290, 293, 312, 0,
863 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
864 DRM_MODE_FLAG_DBLCLK),
865 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
866 /* 25 - 2880x576i@50Hz 4:3 */
867 { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
868 3180, 3456, 0, 576, 580, 586, 625, 0,
869 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
870 DRM_MODE_FLAG_INTERLACE),
871 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
872 /* 26 - 2880x576i@50Hz 16:9 */
873 { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
874 3180, 3456, 0, 576, 580, 586, 625, 0,
875 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
876 DRM_MODE_FLAG_INTERLACE),
877 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
878 /* 27 - 2880x288@50Hz 4:3 */
879 { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
880 3180, 3456, 0, 288, 290, 293, 312, 0,
881 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
882 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
883 /* 28 - 2880x288@50Hz 16:9 */
884 { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
885 3180, 3456, 0, 288, 290, 293, 312, 0,
886 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
887 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
888 /* 29 - 1440x576@50Hz 4:3 */
889 { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
890 1592, 1728, 0, 576, 581, 586, 625, 0,
891 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
892 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
893 /* 30 - 1440x576@50Hz 16:9 */
894 { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
895 1592, 1728, 0, 576, 581, 586, 625, 0,
896 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
897 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
898 /* 31 - 1920x1080@50Hz 16:9 */
899 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
900 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
901 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
902 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
903 /* 32 - 1920x1080@24Hz 16:9 */
904 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
905 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
906 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
907 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
908 /* 33 - 1920x1080@25Hz 16:9 */
909 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
910 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
911 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
912 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
913 /* 34 - 1920x1080@30Hz 16:9 */
914 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
915 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
916 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
917 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
918 /* 35 - 2880x480@60Hz 4:3 */
919 { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
920 3192, 3432, 0, 480, 489, 495, 525, 0,
921 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
922 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
923 /* 36 - 2880x480@60Hz 16:9 */
924 { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
925 3192, 3432, 0, 480, 489, 495, 525, 0,
926 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
927 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
928 /* 37 - 2880x576@50Hz 4:3 */
929 { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
930 3184, 3456, 0, 576, 581, 586, 625, 0,
931 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
932 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
933 /* 38 - 2880x576@50Hz 16:9 */
934 { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
935 3184, 3456, 0, 576, 581, 586, 625, 0,
936 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
937 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
938 /* 39 - 1920x1080i@50Hz 16:9 */
939 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
940 2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
941 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
942 DRM_MODE_FLAG_INTERLACE),
943 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
944 /* 40 - 1920x1080i@100Hz 16:9 */
945 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
946 2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
947 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
948 DRM_MODE_FLAG_INTERLACE),
949 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
950 /* 41 - 1280x720@100Hz 16:9 */
951 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
952 1760, 1980, 0, 720, 725, 730, 750, 0,
953 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
954 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
955 /* 42 - 720x576@100Hz 4:3 */
956 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
957 796, 864, 0, 576, 581, 586, 625, 0,
958 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
959 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
960 /* 43 - 720x576@100Hz 16:9 */
961 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
962 796, 864, 0, 576, 581, 586, 625, 0,
963 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
964 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
965 /* 44 - 720(1440)x576i@100Hz 4:3 */
966 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
967 795, 864, 0, 576, 580, 586, 625, 0,
968 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
969 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
970 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
971 /* 45 - 720(1440)x576i@100Hz 16:9 */
972 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
973 795, 864, 0, 576, 580, 586, 625, 0,
974 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
975 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
976 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
977 /* 46 - 1920x1080i@120Hz 16:9 */
978 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
979 2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
980 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
981 DRM_MODE_FLAG_INTERLACE),
982 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
983 /* 47 - 1280x720@120Hz 16:9 */
984 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
985 1430, 1650, 0, 720, 725, 730, 750, 0,
986 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
987 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
988 /* 48 - 720x480@120Hz 4:3 */
989 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
990 798, 858, 0, 480, 489, 495, 525, 0,
991 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
992 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
993 /* 49 - 720x480@120Hz 16:9 */
994 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
995 798, 858, 0, 480, 489, 495, 525, 0,
996 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
997 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
998 /* 50 - 720(1440)x480i@120Hz 4:3 */
999 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
1000 801, 858, 0, 480, 488, 494, 525, 0,
1001 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1002 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1003 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1004 /* 51 - 720(1440)x480i@120Hz 16:9 */
1005 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
1006 801, 858, 0, 480, 488, 494, 525, 0,
1007 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1008 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1009 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1010 /* 52 - 720x576@200Hz 4:3 */
1011 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1012 796, 864, 0, 576, 581, 586, 625, 0,
1013 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1014 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1015 /* 53 - 720x576@200Hz 16:9 */
1016 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1017 796, 864, 0, 576, 581, 586, 625, 0,
1018 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1019 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1020 /* 54 - 720(1440)x576i@200Hz 4:3 */
1021 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1022 795, 864, 0, 576, 580, 586, 625, 0,
1023 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1024 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1025 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1026 /* 55 - 720(1440)x576i@200Hz 16:9 */
1027 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1028 795, 864, 0, 576, 580, 586, 625, 0,
1029 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1030 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1031 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1032 /* 56 - 720x480@240Hz 4:3 */
1033 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1034 798, 858, 0, 480, 489, 495, 525, 0,
1035 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1036 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1037 /* 57 - 720x480@240Hz 16:9 */
1038 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1039 798, 858, 0, 480, 489, 495, 525, 0,
1040 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1041 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1042 /* 58 - 720(1440)x480i@240Hz 4:3 */
1043 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1044 801, 858, 0, 480, 488, 494, 525, 0,
1045 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1046 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1047 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1048 /* 59 - 720(1440)x480i@240Hz 16:9 */
1049 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1050 801, 858, 0, 480, 488, 494, 525, 0,
1051 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1052 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1053 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1054 /* 60 - 1280x720@24Hz 16:9 */
1055 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1056 3080, 3300, 0, 720, 725, 730, 750, 0,
1057 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1058 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1059 /* 61 - 1280x720@25Hz 16:9 */
1060 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1061 3740, 3960, 0, 720, 725, 730, 750, 0,
1062 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1063 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1064 /* 62 - 1280x720@30Hz 16:9 */
1065 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1066 3080, 3300, 0, 720, 725, 730, 750, 0,
1067 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1068 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1069 /* 63 - 1920x1080@120Hz 16:9 */
1070 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1071 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1072 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1073 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1074 /* 64 - 1920x1080@100Hz 16:9 */
1075 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1076 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1077 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1078 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1079 /* 65 - 1280x720@24Hz 64:27 */
1080 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1081 3080, 3300, 0, 720, 725, 730, 750, 0,
1082 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1083 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1084 /* 66 - 1280x720@25Hz 64:27 */
1085 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1086 3740, 3960, 0, 720, 725, 730, 750, 0,
1087 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1088 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1089 /* 67 - 1280x720@30Hz 64:27 */
1090 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1091 3080, 3300, 0, 720, 725, 730, 750, 0,
1092 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1093 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1094 /* 68 - 1280x720@50Hz 64:27 */
1095 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1096 1760, 1980, 0, 720, 725, 730, 750, 0,
1097 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1098 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1099 /* 69 - 1280x720@60Hz 64:27 */
1100 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1101 1430, 1650, 0, 720, 725, 730, 750, 0,
1102 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1103 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1104 /* 70 - 1280x720@100Hz 64:27 */
1105 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1106 1760, 1980, 0, 720, 725, 730, 750, 0,
1107 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1108 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1109 /* 71 - 1280x720@120Hz 64:27 */
1110 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1111 1430, 1650, 0, 720, 725, 730, 750, 0,
1112 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1113 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1114 /* 72 - 1920x1080@24Hz 64:27 */
1115 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1116 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1117 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1118 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1119 /* 73 - 1920x1080@25Hz 64:27 */
1120 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1121 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1122 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1123 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1124 /* 74 - 1920x1080@30Hz 64:27 */
1125 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1126 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1127 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1128 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1129 /* 75 - 1920x1080@50Hz 64:27 */
1130 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1131 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1132 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1133 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1134 /* 76 - 1920x1080@60Hz 64:27 */
1135 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1136 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1137 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1138 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1139 /* 77 - 1920x1080@100Hz 64:27 */
1140 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1141 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1142 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1143 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1144 /* 78 - 1920x1080@120Hz 64:27 */
1145 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1146 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1147 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1148 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1149 /* 79 - 1680x720@24Hz 64:27 */
1150 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1151 3080, 3300, 0, 720, 725, 730, 750, 0,
1152 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1153 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1154 /* 80 - 1680x720@25Hz 64:27 */
1155 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1156 2948, 3168, 0, 720, 725, 730, 750, 0,
1157 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1158 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1159 /* 81 - 1680x720@30Hz 64:27 */
1160 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1161 2420, 2640, 0, 720, 725, 730, 750, 0,
1162 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1163 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1164 /* 82 - 1680x720@50Hz 64:27 */
1165 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1166 1980, 2200, 0, 720, 725, 730, 750, 0,
1167 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1168 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1169 /* 83 - 1680x720@60Hz 64:27 */
1170 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1171 1980, 2200, 0, 720, 725, 730, 750, 0,
1172 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1173 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1174 /* 84 - 1680x720@100Hz 64:27 */
1175 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1176 1780, 2000, 0, 720, 725, 730, 825, 0,
1177 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1178 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1179 /* 85 - 1680x720@120Hz 64:27 */
1180 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1181 1780, 2000, 0, 720, 725, 730, 825, 0,
1182 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1183 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1184 /* 86 - 2560x1080@24Hz 64:27 */
1185 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1186 3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1187 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1188 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1189 /* 87 - 2560x1080@25Hz 64:27 */
1190 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1191 3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1192 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1193 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1194 /* 88 - 2560x1080@30Hz 64:27 */
1195 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1196 3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1197 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1198 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1199 /* 89 - 2560x1080@50Hz 64:27 */
1200 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1201 3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1202 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1203 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1204 /* 90 - 2560x1080@60Hz 64:27 */
1205 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1206 2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1207 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1208 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1209 /* 91 - 2560x1080@100Hz 64:27 */
1210 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1211 2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1212 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1213 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1214 /* 92 - 2560x1080@120Hz 64:27 */
1215 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1216 3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1217 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1218 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1219 /* 93 - 3840x2160@24Hz 16:9 */
1220 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1221 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1222 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1223 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1224 /* 94 - 3840x2160@25Hz 16:9 */
1225 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1226 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1227 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1228 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1229 /* 95 - 3840x2160@30Hz 16:9 */
1230 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1231 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1232 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1233 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1234 /* 96 - 3840x2160@50Hz 16:9 */
1235 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1236 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1237 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1238 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1239 /* 97 - 3840x2160@60Hz 16:9 */
1240 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1241 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1242 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1243 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1244 /* 98 - 4096x2160@24Hz 256:135 */
1245 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1246 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1247 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1248 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1249 /* 99 - 4096x2160@25Hz 256:135 */
1250 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1251 5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1252 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1253 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1254 /* 100 - 4096x2160@30Hz 256:135 */
1255 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1256 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1257 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1258 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1259 /* 101 - 4096x2160@50Hz 256:135 */
1260 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1261 5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1262 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1263 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1264 /* 102 - 4096x2160@60Hz 256:135 */
1265 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1266 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1267 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1268 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1269 /* 103 - 3840x2160@24Hz 64:27 */
1270 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1271 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1272 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1273 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1274 /* 104 - 3840x2160@25Hz 64:27 */
1275 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1276 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1277 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1278 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1279 /* 105 - 3840x2160@30Hz 64:27 */
1280 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1281 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1282 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1283 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1284 /* 106 - 3840x2160@50Hz 64:27 */
1285 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1286 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1287 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1288 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1289 /* 107 - 3840x2160@60Hz 64:27 */
1290 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1291 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1292 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1293 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1294 /* 108 - 1280x720@48Hz 16:9 */
1295 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1296 2280, 2500, 0, 720, 725, 730, 750, 0,
1297 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1298 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1299 /* 109 - 1280x720@48Hz 64:27 */
1300 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1301 2280, 2500, 0, 720, 725, 730, 750, 0,
1302 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1303 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1304 /* 110 - 1680x720@48Hz 64:27 */
1305 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490,
1306 2530, 2750, 0, 720, 725, 730, 750, 0,
1307 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1308 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1309 /* 111 - 1920x1080@48Hz 16:9 */
1310 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1311 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1312 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1313 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1314 /* 112 - 1920x1080@48Hz 64:27 */
1315 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1316 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1317 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1318 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1319 /* 113 - 2560x1080@48Hz 64:27 */
1320 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558,
1321 3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1322 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1323 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1324 /* 114 - 3840x2160@48Hz 16:9 */
1325 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1326 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1327 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1328 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1329 /* 115 - 4096x2160@48Hz 256:135 */
1330 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116,
1331 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1332 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1333 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1334 /* 116 - 3840x2160@48Hz 64:27 */
1335 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1336 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1337 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1338 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1339 /* 117 - 3840x2160@100Hz 16:9 */
1340 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1341 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1342 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1343 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1344 /* 118 - 3840x2160@120Hz 16:9 */
1345 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1346 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1347 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1348 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1349 /* 119 - 3840x2160@100Hz 64:27 */
1350 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1351 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1352 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1353 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1354 /* 120 - 3840x2160@120Hz 64:27 */
1355 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1356 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1357 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1358 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1359 /* 121 - 5120x2160@24Hz 64:27 */
1360 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116,
1361 7204, 7500, 0, 2160, 2168, 2178, 2200, 0,
1362 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1363 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1364 /* 122 - 5120x2160@25Hz 64:27 */
1365 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816,
1366 6904, 7200, 0, 2160, 2168, 2178, 2200, 0,
1367 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1368 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1369 /* 123 - 5120x2160@30Hz 64:27 */
1370 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784,
1371 5872, 6000, 0, 2160, 2168, 2178, 2200, 0,
1372 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1373 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1374 /* 124 - 5120x2160@48Hz 64:27 */
1375 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866,
1376 5954, 6250, 0, 2160, 2168, 2178, 2475, 0,
1377 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1378 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1379 /* 125 - 5120x2160@50Hz 64:27 */
1380 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216,
1381 6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1382 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1383 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1384 /* 126 - 5120x2160@60Hz 64:27 */
1385 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284,
1386 5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1387 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1388 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1389 /* 127 - 5120x2160@100Hz 64:27 */
1390 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216,
1391 6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1392 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1393 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1397 * From CEA/CTA-861 spec.
1399 * Do not access directly, instead always use cea_mode_for_vic().
1401 static const struct drm_display_mode edid_cea_modes_193[] = {
1402 /* 193 - 5120x2160@120Hz 64:27 */
1403 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
1404 5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1405 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1406 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1407 /* 194 - 7680x4320@24Hz 16:9 */
1408 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1409 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1410 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1411 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1412 /* 195 - 7680x4320@25Hz 16:9 */
1413 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1414 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1415 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1416 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1417 /* 196 - 7680x4320@30Hz 16:9 */
1418 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1419 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1420 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1421 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1422 /* 197 - 7680x4320@48Hz 16:9 */
1423 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1424 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1425 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1426 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1427 /* 198 - 7680x4320@50Hz 16:9 */
1428 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1429 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1430 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1431 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1432 /* 199 - 7680x4320@60Hz 16:9 */
1433 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1434 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1435 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1436 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1437 /* 200 - 7680x4320@100Hz 16:9 */
1438 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1439 9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1440 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1441 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1442 /* 201 - 7680x4320@120Hz 16:9 */
1443 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1444 8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1445 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1446 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1447 /* 202 - 7680x4320@24Hz 64:27 */
1448 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1449 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1450 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1451 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1452 /* 203 - 7680x4320@25Hz 64:27 */
1453 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1454 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1455 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1456 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1457 /* 204 - 7680x4320@30Hz 64:27 */
1458 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1459 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1460 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1461 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1462 /* 205 - 7680x4320@48Hz 64:27 */
1463 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1464 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1465 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1466 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1467 /* 206 - 7680x4320@50Hz 64:27 */
1468 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1469 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1470 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1471 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1472 /* 207 - 7680x4320@60Hz 64:27 */
1473 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1474 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1475 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1476 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1477 /* 208 - 7680x4320@100Hz 64:27 */
1478 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1479 9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1480 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1481 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1482 /* 209 - 7680x4320@120Hz 64:27 */
1483 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1484 8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1485 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1486 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1487 /* 210 - 10240x4320@24Hz 64:27 */
1488 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
1489 11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1490 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1491 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1492 /* 211 - 10240x4320@25Hz 64:27 */
1493 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
1494 12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1495 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1496 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1497 /* 212 - 10240x4320@30Hz 64:27 */
1498 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
1499 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1500 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1501 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1502 /* 213 - 10240x4320@48Hz 64:27 */
1503 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
1504 11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1505 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1506 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1507 /* 214 - 10240x4320@50Hz 64:27 */
1508 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
1509 12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1510 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1511 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1512 /* 215 - 10240x4320@60Hz 64:27 */
1513 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
1514 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1515 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1516 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1517 /* 216 - 10240x4320@100Hz 64:27 */
1518 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
1519 12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
1520 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1521 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1522 /* 217 - 10240x4320@120Hz 64:27 */
1523 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
1524 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1525 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1526 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1527 /* 218 - 4096x2160@100Hz 256:135 */
1528 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
1529 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1530 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1531 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1532 /* 219 - 4096x2160@120Hz 256:135 */
1533 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
1534 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1535 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1536 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1540 * HDMI 1.4 4k modes. Index using the VIC.
1542 static const struct drm_display_mode edid_4k_modes[] = {
1543 /* 0 - dummy, VICs start at 1 */
1545 /* 1 - 3840x2160@30Hz */
1546 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1547 3840, 4016, 4104, 4400, 0,
1548 2160, 2168, 2178, 2250, 0,
1549 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1550 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1551 /* 2 - 3840x2160@25Hz */
1552 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1553 3840, 4896, 4984, 5280, 0,
1554 2160, 2168, 2178, 2250, 0,
1555 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1556 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1557 /* 3 - 3840x2160@24Hz */
1558 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1559 3840, 5116, 5204, 5500, 0,
1560 2160, 2168, 2178, 2250, 0,
1561 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1562 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1563 /* 4 - 4096x2160@24Hz (SMPTE) */
1564 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1565 4096, 5116, 5204, 5500, 0,
1566 2160, 2168, 2178, 2250, 0,
1567 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1568 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1571 /*** DDC fetch and block validation ***/
1574 * The opaque EDID type, internal to drm_edid.c.
1577 /* Size allocated for edid */
1579 const struct edid *edid;
1582 static int edid_hfeeodb_extension_block_count(const struct edid *edid);
1584 static int edid_hfeeodb_block_count(const struct edid *edid)
1586 int eeodb = edid_hfeeodb_extension_block_count(edid);
1588 return eeodb ? eeodb + 1 : 0;
1591 static int edid_extension_block_count(const struct edid *edid)
1593 return edid->extensions;
1596 static int edid_block_count(const struct edid *edid)
1598 return edid_extension_block_count(edid) + 1;
1601 static int edid_size_by_blocks(int num_blocks)
1603 return num_blocks * EDID_LENGTH;
1606 static int edid_size(const struct edid *edid)
1608 return edid_size_by_blocks(edid_block_count(edid));
1611 static const void *edid_block_data(const struct edid *edid, int index)
1613 BUILD_BUG_ON(sizeof(*edid) != EDID_LENGTH);
1615 return edid + index;
1618 static const void *edid_extension_block_data(const struct edid *edid, int index)
1620 return edid_block_data(edid, index + 1);
1623 /* EDID block count indicated in EDID, may exceed allocated size */
1624 static int __drm_edid_block_count(const struct drm_edid *drm_edid)
1628 /* Starting point */
1629 num_blocks = edid_block_count(drm_edid->edid);
1631 /* HF-EEODB override */
1632 if (drm_edid->size >= edid_size_by_blocks(2)) {
1636 * Note: HF-EEODB may specify a smaller extension count than the
1637 * regular one. Unlike in buffer allocation, here we can use it.
1639 eeodb = edid_hfeeodb_block_count(drm_edid->edid);
1647 /* EDID block count, limited by allocated size */
1648 static int drm_edid_block_count(const struct drm_edid *drm_edid)
1650 /* Limit by allocated size */
1651 return min(__drm_edid_block_count(drm_edid),
1652 (int)drm_edid->size / EDID_LENGTH);
1655 /* EDID extension block count, limited by allocated size */
1656 static int drm_edid_extension_block_count(const struct drm_edid *drm_edid)
1658 return drm_edid_block_count(drm_edid) - 1;
1661 static const void *drm_edid_block_data(const struct drm_edid *drm_edid, int index)
1663 return edid_block_data(drm_edid->edid, index);
1666 static const void *drm_edid_extension_block_data(const struct drm_edid *drm_edid,
1669 return edid_extension_block_data(drm_edid->edid, index);
1673 * Initializer helper for legacy interfaces, where we have no choice but to
1674 * trust edid size. Not for general purpose use.
1676 static const struct drm_edid *drm_edid_legacy_init(struct drm_edid *drm_edid,
1677 const struct edid *edid)
1682 memset(drm_edid, 0, sizeof(*drm_edid));
1684 drm_edid->edid = edid;
1685 drm_edid->size = edid_size(edid);
1691 * EDID base and extension block iterator.
1693 * struct drm_edid_iter iter;
1696 * drm_edid_iter_begin(drm_edid, &iter);
1697 * drm_edid_iter_for_each(block, &iter) {
1698 * // do stuff with block
1700 * drm_edid_iter_end(&iter);
1702 struct drm_edid_iter {
1703 const struct drm_edid *drm_edid;
1705 /* Current block index. */
1709 static void drm_edid_iter_begin(const struct drm_edid *drm_edid,
1710 struct drm_edid_iter *iter)
1712 memset(iter, 0, sizeof(*iter));
1714 iter->drm_edid = drm_edid;
1717 static const void *__drm_edid_iter_next(struct drm_edid_iter *iter)
1719 const void *block = NULL;
1721 if (!iter->drm_edid)
1724 if (iter->index < drm_edid_block_count(iter->drm_edid))
1725 block = drm_edid_block_data(iter->drm_edid, iter->index++);
1730 #define drm_edid_iter_for_each(__block, __iter) \
1731 while (((__block) = __drm_edid_iter_next(__iter)))
1733 static void drm_edid_iter_end(struct drm_edid_iter *iter)
1735 memset(iter, 0, sizeof(*iter));
1738 static const u8 edid_header[] = {
1739 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1742 static void edid_header_fix(void *edid)
1744 memcpy(edid, edid_header, sizeof(edid_header));
1748 * drm_edid_header_is_valid - sanity check the header of the base EDID block
1749 * @_edid: pointer to raw base EDID block
1751 * Sanity check the header of the base EDID block.
1753 * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1755 int drm_edid_header_is_valid(const void *_edid)
1757 const struct edid *edid = _edid;
1760 for (i = 0; i < sizeof(edid_header); i++) {
1761 if (edid->header[i] == edid_header[i])
1767 EXPORT_SYMBOL(drm_edid_header_is_valid);
1769 static int edid_fixup __read_mostly = 6;
1770 module_param_named(edid_fixup, edid_fixup, int, 0400);
1771 MODULE_PARM_DESC(edid_fixup,
1772 "Minimum number of valid EDID header bytes (0-8, default 6)");
1774 static int edid_block_compute_checksum(const void *_block)
1776 const u8 *block = _block;
1778 u8 csum = 0, crc = 0;
1780 for (i = 0; i < EDID_LENGTH - 1; i++)
1788 static int edid_block_get_checksum(const void *_block)
1790 const struct edid *block = _block;
1792 return block->checksum;
1795 static int edid_block_tag(const void *_block)
1797 const u8 *block = _block;
1802 static bool edid_block_is_zero(const void *edid)
1804 return !memchr_inv(edid, 0, EDID_LENGTH);
1808 * drm_edid_are_equal - compare two edid blobs.
1809 * @edid1: pointer to first blob
1810 * @edid2: pointer to second blob
1811 * This helper can be used during probing to determine if
1814 bool drm_edid_are_equal(const struct edid *edid1, const struct edid *edid2)
1816 int edid1_len, edid2_len;
1817 bool edid1_present = edid1 != NULL;
1818 bool edid2_present = edid2 != NULL;
1820 if (edid1_present != edid2_present)
1824 edid1_len = edid_size(edid1);
1825 edid2_len = edid_size(edid2);
1827 if (edid1_len != edid2_len)
1830 if (memcmp(edid1, edid2, edid1_len))
1836 EXPORT_SYMBOL(drm_edid_are_equal);
1838 enum edid_block_status {
1840 EDID_BLOCK_READ_FAIL,
1843 EDID_BLOCK_HEADER_CORRUPT,
1844 EDID_BLOCK_HEADER_REPAIR,
1845 EDID_BLOCK_HEADER_FIXED,
1846 EDID_BLOCK_CHECKSUM,
1850 static enum edid_block_status edid_block_check(const void *_block,
1853 const struct edid *block = _block;
1856 return EDID_BLOCK_NULL;
1858 if (is_base_block) {
1859 int score = drm_edid_header_is_valid(block);
1861 if (score < clamp(edid_fixup, 0, 8)) {
1862 if (edid_block_is_zero(block))
1863 return EDID_BLOCK_ZERO;
1865 return EDID_BLOCK_HEADER_CORRUPT;
1869 return EDID_BLOCK_HEADER_REPAIR;
1872 if (edid_block_compute_checksum(block) != edid_block_get_checksum(block)) {
1873 if (edid_block_is_zero(block))
1874 return EDID_BLOCK_ZERO;
1876 return EDID_BLOCK_CHECKSUM;
1879 if (is_base_block) {
1880 if (block->version != 1)
1881 return EDID_BLOCK_VERSION;
1884 return EDID_BLOCK_OK;
1887 static bool edid_block_status_valid(enum edid_block_status status, int tag)
1889 return status == EDID_BLOCK_OK ||
1890 status == EDID_BLOCK_HEADER_FIXED ||
1891 (status == EDID_BLOCK_CHECKSUM && tag == CEA_EXT);
1894 static bool edid_block_valid(const void *block, bool base)
1896 return edid_block_status_valid(edid_block_check(block, base),
1897 edid_block_tag(block));
1900 static void edid_block_status_print(enum edid_block_status status,
1901 const struct edid *block,
1907 case EDID_BLOCK_READ_FAIL:
1908 pr_debug("EDID block %d read failed\n", block_num);
1910 case EDID_BLOCK_NULL:
1911 pr_debug("EDID block %d pointer is NULL\n", block_num);
1913 case EDID_BLOCK_ZERO:
1914 pr_notice("EDID block %d is all zeroes\n", block_num);
1916 case EDID_BLOCK_HEADER_CORRUPT:
1917 pr_notice("EDID has corrupt header\n");
1919 case EDID_BLOCK_HEADER_REPAIR:
1920 pr_debug("EDID corrupt header needs repair\n");
1922 case EDID_BLOCK_HEADER_FIXED:
1923 pr_debug("EDID corrupt header fixed\n");
1925 case EDID_BLOCK_CHECKSUM:
1926 if (edid_block_status_valid(status, edid_block_tag(block))) {
1927 pr_debug("EDID block %d (tag 0x%02x) checksum is invalid, remainder is %d, ignoring\n",
1928 block_num, edid_block_tag(block),
1929 edid_block_compute_checksum(block));
1931 pr_notice("EDID block %d (tag 0x%02x) checksum is invalid, remainder is %d\n",
1932 block_num, edid_block_tag(block),
1933 edid_block_compute_checksum(block));
1936 case EDID_BLOCK_VERSION:
1937 pr_notice("EDID has major version %d, instead of 1\n",
1941 WARN(1, "EDID block %d unknown edid block status code %d\n",
1947 static void edid_block_dump(const char *level, const void *block, int block_num)
1949 enum edid_block_status status;
1952 status = edid_block_check(block, block_num == 0);
1953 if (status == EDID_BLOCK_ZERO)
1954 sprintf(prefix, "\t[%02x] ZERO ", block_num);
1955 else if (!edid_block_status_valid(status, edid_block_tag(block)))
1956 sprintf(prefix, "\t[%02x] BAD ", block_num);
1958 sprintf(prefix, "\t[%02x] GOOD ", block_num);
1960 print_hex_dump(level, prefix, DUMP_PREFIX_NONE, 16, 1,
1961 block, EDID_LENGTH, false);
1965 * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1966 * @_block: pointer to raw EDID block
1967 * @block_num: type of block to validate (0 for base, extension otherwise)
1968 * @print_bad_edid: if true, dump bad EDID blocks to the console
1969 * @edid_corrupt: if true, the header or checksum is invalid
1971 * Validate a base or extension EDID block and optionally dump bad blocks to
1974 * Return: True if the block is valid, false otherwise.
1976 bool drm_edid_block_valid(u8 *_block, int block_num, bool print_bad_edid,
1979 struct edid *block = (struct edid *)_block;
1980 enum edid_block_status status;
1981 bool is_base_block = block_num == 0;
1984 if (WARN_ON(!block))
1987 status = edid_block_check(block, is_base_block);
1988 if (status == EDID_BLOCK_HEADER_REPAIR) {
1989 DRM_DEBUG_KMS("Fixing EDID header, your hardware may be failing\n");
1990 edid_header_fix(block);
1992 /* Retry with fixed header, update status if that worked. */
1993 status = edid_block_check(block, is_base_block);
1994 if (status == EDID_BLOCK_OK)
1995 status = EDID_BLOCK_HEADER_FIXED;
2000 * Unknown major version isn't corrupt but we can't use it. Only
2001 * the base block can reset edid_corrupt to false.
2003 if (is_base_block &&
2004 (status == EDID_BLOCK_OK || status == EDID_BLOCK_VERSION))
2005 *edid_corrupt = false;
2006 else if (status != EDID_BLOCK_OK)
2007 *edid_corrupt = true;
2010 edid_block_status_print(status, block, block_num);
2012 /* Determine whether we can use this block with this status. */
2013 valid = edid_block_status_valid(status, edid_block_tag(block));
2015 if (!valid && print_bad_edid && status != EDID_BLOCK_ZERO) {
2016 pr_notice("Raw EDID:\n");
2017 edid_block_dump(KERN_NOTICE, block, block_num);
2022 EXPORT_SYMBOL(drm_edid_block_valid);
2025 * drm_edid_is_valid - sanity check EDID data
2028 * Sanity-check an entire EDID record (including extensions)
2030 * Return: True if the EDID data is valid, false otherwise.
2032 bool drm_edid_is_valid(struct edid *edid)
2039 for (i = 0; i < edid_block_count(edid); i++) {
2040 void *block = (void *)edid_block_data(edid, i);
2042 if (!drm_edid_block_valid(block, i, true, NULL))
2048 EXPORT_SYMBOL(drm_edid_is_valid);
2051 * drm_edid_valid - sanity check EDID data
2052 * @drm_edid: EDID data
2054 * Sanity check an EDID. Cross check block count against allocated size and
2055 * checksum the blocks.
2057 * Return: True if the EDID data is valid, false otherwise.
2059 bool drm_edid_valid(const struct drm_edid *drm_edid)
2066 if (edid_size_by_blocks(__drm_edid_block_count(drm_edid)) != drm_edid->size)
2069 for (i = 0; i < drm_edid_block_count(drm_edid); i++) {
2070 const void *block = drm_edid_block_data(drm_edid, i);
2072 if (!edid_block_valid(block, i == 0))
2078 EXPORT_SYMBOL(drm_edid_valid);
2080 static struct edid *edid_filter_invalid_blocks(struct edid *edid,
2084 int i, valid_blocks = 0;
2087 * Note: If the EDID uses HF-EEODB, but has invalid blocks, we'll revert
2088 * back to regular extension count here. We don't want to start
2089 * modifying the HF-EEODB extension too.
2091 for (i = 0; i < edid_block_count(edid); i++) {
2092 const void *src_block = edid_block_data(edid, i);
2094 if (edid_block_valid(src_block, i == 0)) {
2095 void *dst_block = (void *)edid_block_data(edid, valid_blocks);
2097 memmove(dst_block, src_block, EDID_LENGTH);
2102 /* We already trusted the base block to be valid here... */
2103 if (WARN_ON(!valid_blocks)) {
2108 edid->extensions = valid_blocks - 1;
2109 edid->checksum = edid_block_compute_checksum(edid);
2111 *alloc_size = edid_size_by_blocks(valid_blocks);
2113 new = krealloc(edid, *alloc_size, GFP_KERNEL);
2120 #define DDC_SEGMENT_ADDR 0x30
2122 * drm_do_probe_ddc_edid() - get EDID information via I2C
2123 * @data: I2C device adapter
2124 * @buf: EDID data buffer to be filled
2125 * @block: 128 byte EDID block to start fetching from
2126 * @len: EDID data buffer length to fetch
2128 * Try to fetch EDID information by calling I2C driver functions.
2130 * Return: 0 on success or -1 on failure.
2133 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
2135 struct i2c_adapter *adapter = data;
2136 unsigned char start = block * EDID_LENGTH;
2137 unsigned char segment = block >> 1;
2138 unsigned char xfers = segment ? 3 : 2;
2139 int ret, retries = 5;
2142 * The core I2C driver will automatically retry the transfer if the
2143 * adapter reports EAGAIN. However, we find that bit-banging transfers
2144 * are susceptible to errors under a heavily loaded machine and
2145 * generate spurious NAKs and timeouts. Retrying the transfer
2146 * of the individual block a few times seems to overcome this.
2149 struct i2c_msg msgs[] = {
2151 .addr = DDC_SEGMENT_ADDR,
2169 * Avoid sending the segment addr to not upset non-compliant
2172 ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
2174 if (ret == -ENXIO) {
2175 DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
2179 } while (ret != xfers && --retries);
2181 return ret == xfers ? 0 : -1;
2184 static void connector_bad_edid(struct drm_connector *connector,
2185 const struct edid *edid, int num_blocks)
2191 * 0x7e in the EDID is the number of extension blocks. The EDID
2192 * is 1 (base block) + num_ext_blocks big. That means we can think
2193 * of 0x7e in the EDID of the _index_ of the last block in the
2194 * combined chunk of memory.
2196 last_block = edid->extensions;
2198 /* Calculate real checksum for the last edid extension block data */
2199 if (last_block < num_blocks)
2200 connector->real_edid_checksum =
2201 edid_block_compute_checksum(edid + last_block);
2203 if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
2206 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] EDID is invalid:\n",
2207 connector->base.id, connector->name);
2208 for (i = 0; i < num_blocks; i++)
2209 edid_block_dump(KERN_DEBUG, edid + i, i);
2212 /* Get override or firmware EDID */
2213 static const struct drm_edid *drm_edid_override_get(struct drm_connector *connector)
2215 const struct drm_edid *override = NULL;
2217 mutex_lock(&connector->edid_override_mutex);
2219 if (connector->edid_override)
2220 override = drm_edid_dup(connector->edid_override);
2222 mutex_unlock(&connector->edid_override_mutex);
2225 override = drm_edid_load_firmware(connector);
2227 return IS_ERR(override) ? NULL : override;
2230 /* For debugfs edid_override implementation */
2231 int drm_edid_override_show(struct drm_connector *connector, struct seq_file *m)
2233 const struct drm_edid *drm_edid;
2235 mutex_lock(&connector->edid_override_mutex);
2237 drm_edid = connector->edid_override;
2239 seq_write(m, drm_edid->edid, drm_edid->size);
2241 mutex_unlock(&connector->edid_override_mutex);
2246 /* For debugfs edid_override implementation */
2247 int drm_edid_override_set(struct drm_connector *connector, const void *edid,
2250 const struct drm_edid *drm_edid;
2252 drm_edid = drm_edid_alloc(edid, size);
2253 if (!drm_edid_valid(drm_edid)) {
2254 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] EDID override invalid\n",
2255 connector->base.id, connector->name);
2256 drm_edid_free(drm_edid);
2260 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] EDID override set\n",
2261 connector->base.id, connector->name);
2263 mutex_lock(&connector->edid_override_mutex);
2265 drm_edid_free(connector->edid_override);
2266 connector->edid_override = drm_edid;
2268 mutex_unlock(&connector->edid_override_mutex);
2273 /* For debugfs edid_override implementation */
2274 int drm_edid_override_reset(struct drm_connector *connector)
2276 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] EDID override reset\n",
2277 connector->base.id, connector->name);
2279 mutex_lock(&connector->edid_override_mutex);
2281 drm_edid_free(connector->edid_override);
2282 connector->edid_override = NULL;
2284 mutex_unlock(&connector->edid_override_mutex);
2290 * drm_edid_override_connector_update - add modes from override/firmware EDID
2291 * @connector: connector we're probing
2293 * Add modes from the override/firmware EDID, if available. Only to be used from
2294 * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
2295 * failed during drm_get_edid() and caused the override/firmware EDID to be
2298 * Return: The number of modes added or 0 if we couldn't find any.
2300 int drm_edid_override_connector_update(struct drm_connector *connector)
2302 const struct drm_edid *override;
2305 override = drm_edid_override_get(connector);
2307 num_modes = drm_edid_connector_update(connector, override);
2309 drm_edid_free(override);
2311 drm_dbg_kms(connector->dev,
2312 "[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
2313 connector->base.id, connector->name, num_modes);
2318 EXPORT_SYMBOL(drm_edid_override_connector_update);
2320 typedef int read_block_fn(void *context, u8 *buf, unsigned int block, size_t len);
2322 static enum edid_block_status edid_block_read(void *block, unsigned int block_num,
2323 read_block_fn read_block,
2326 enum edid_block_status status;
2327 bool is_base_block = block_num == 0;
2330 for (try = 0; try < 4; try++) {
2331 if (read_block(context, block, block_num, EDID_LENGTH))
2332 return EDID_BLOCK_READ_FAIL;
2334 status = edid_block_check(block, is_base_block);
2335 if (status == EDID_BLOCK_HEADER_REPAIR) {
2336 edid_header_fix(block);
2338 /* Retry with fixed header, update status if that worked. */
2339 status = edid_block_check(block, is_base_block);
2340 if (status == EDID_BLOCK_OK)
2341 status = EDID_BLOCK_HEADER_FIXED;
2344 if (edid_block_status_valid(status, edid_block_tag(block)))
2347 /* Fail early for unrepairable base block all zeros. */
2348 if (try == 0 && is_base_block && status == EDID_BLOCK_ZERO)
2355 static struct edid *_drm_do_get_edid(struct drm_connector *connector,
2356 read_block_fn read_block, void *context,
2359 enum edid_block_status status;
2360 int i, num_blocks, invalid_blocks = 0;
2361 const struct drm_edid *override;
2362 struct edid *edid, *new;
2363 size_t alloc_size = EDID_LENGTH;
2365 override = drm_edid_override_get(connector);
2367 alloc_size = override->size;
2368 edid = kmemdup(override->edid, alloc_size, GFP_KERNEL);
2369 drm_edid_free(override);
2375 edid = kmalloc(alloc_size, GFP_KERNEL);
2379 status = edid_block_read(edid, 0, read_block, context);
2381 edid_block_status_print(status, edid, 0);
2383 if (status == EDID_BLOCK_READ_FAIL)
2386 /* FIXME: Clarify what a corrupt EDID actually means. */
2387 if (status == EDID_BLOCK_OK || status == EDID_BLOCK_VERSION)
2388 connector->edid_corrupt = false;
2390 connector->edid_corrupt = true;
2392 if (!edid_block_status_valid(status, edid_block_tag(edid))) {
2393 if (status == EDID_BLOCK_ZERO)
2394 connector->null_edid_counter++;
2396 connector_bad_edid(connector, edid, 1);
2400 if (!edid_extension_block_count(edid))
2403 alloc_size = edid_size(edid);
2404 new = krealloc(edid, alloc_size, GFP_KERNEL);
2409 num_blocks = edid_block_count(edid);
2410 for (i = 1; i < num_blocks; i++) {
2411 void *block = (void *)edid_block_data(edid, i);
2413 status = edid_block_read(block, i, read_block, context);
2415 edid_block_status_print(status, block, i);
2417 if (!edid_block_status_valid(status, edid_block_tag(block))) {
2418 if (status == EDID_BLOCK_READ_FAIL)
2421 } else if (i == 1) {
2423 * If the first EDID extension is a CTA extension, and
2424 * the first Data Block is HF-EEODB, override the
2425 * extension block count.
2427 * Note: HF-EEODB could specify a smaller extension
2428 * count too, but we can't risk allocating a smaller
2431 int eeodb = edid_hfeeodb_block_count(edid);
2433 if (eeodb > num_blocks) {
2435 alloc_size = edid_size_by_blocks(num_blocks);
2436 new = krealloc(edid, alloc_size, GFP_KERNEL);
2444 if (invalid_blocks) {
2445 connector_bad_edid(connector, edid, num_blocks);
2447 edid = edid_filter_invalid_blocks(edid, &alloc_size);
2462 * drm_do_get_edid - get EDID data using a custom EDID block read function
2463 * @connector: connector we're probing
2464 * @read_block: EDID block read function
2465 * @context: private data passed to the block read function
2467 * When the I2C adapter connected to the DDC bus is hidden behind a device that
2468 * exposes a different interface to read EDID blocks this function can be used
2469 * to get EDID data using a custom block read function.
2471 * As in the general case the DDC bus is accessible by the kernel at the I2C
2472 * level, drivers must make all reasonable efforts to expose it as an I2C
2473 * adapter and use drm_get_edid() instead of abusing this function.
2475 * The EDID may be overridden using debugfs override_edid or firmware EDID
2476 * (drm_edid_load_firmware() and drm.edid_firmware parameter), in this priority
2477 * order. Having either of them bypasses actual EDID reads.
2479 * Return: Pointer to valid EDID or NULL if we couldn't find any.
2481 struct edid *drm_do_get_edid(struct drm_connector *connector,
2482 read_block_fn read_block,
2485 return _drm_do_get_edid(connector, read_block, context, NULL);
2487 EXPORT_SYMBOL_GPL(drm_do_get_edid);
2490 * drm_edid_raw - Get a pointer to the raw EDID data.
2491 * @drm_edid: drm_edid container
2493 * Get a pointer to the raw EDID data.
2495 * This is for transition only. Avoid using this like the plague.
2497 * Return: Pointer to raw EDID data.
2499 const struct edid *drm_edid_raw(const struct drm_edid *drm_edid)
2501 if (!drm_edid || !drm_edid->size)
2505 * Do not return pointers where relying on EDID extension count would
2506 * lead to buffer overflow.
2508 if (WARN_ON(edid_size(drm_edid->edid) > drm_edid->size))
2511 return drm_edid->edid;
2513 EXPORT_SYMBOL(drm_edid_raw);
2515 /* Allocate struct drm_edid container *without* duplicating the edid data */
2516 static const struct drm_edid *_drm_edid_alloc(const void *edid, size_t size)
2518 struct drm_edid *drm_edid;
2520 if (!edid || !size || size < EDID_LENGTH)
2523 drm_edid = kzalloc(sizeof(*drm_edid), GFP_KERNEL);
2525 drm_edid->edid = edid;
2526 drm_edid->size = size;
2533 * drm_edid_alloc - Allocate a new drm_edid container
2534 * @edid: Pointer to raw EDID data
2535 * @size: Size of memory allocated for EDID
2537 * Allocate a new drm_edid container. Do not calculate edid size from edid, pass
2538 * the actual size that has been allocated for the data. There is no validation
2539 * of the raw EDID data against the size, but at least the EDID base block must
2540 * fit in the buffer.
2542 * The returned pointer must be freed using drm_edid_free().
2544 * Return: drm_edid container, or NULL on errors
2546 const struct drm_edid *drm_edid_alloc(const void *edid, size_t size)
2548 const struct drm_edid *drm_edid;
2550 if (!edid || !size || size < EDID_LENGTH)
2553 edid = kmemdup(edid, size, GFP_KERNEL);
2557 drm_edid = _drm_edid_alloc(edid, size);
2563 EXPORT_SYMBOL(drm_edid_alloc);
2566 * drm_edid_dup - Duplicate a drm_edid container
2567 * @drm_edid: EDID to duplicate
2569 * The returned pointer must be freed using drm_edid_free().
2571 * Returns: drm_edid container copy, or NULL on errors
2573 const struct drm_edid *drm_edid_dup(const struct drm_edid *drm_edid)
2578 return drm_edid_alloc(drm_edid->edid, drm_edid->size);
2580 EXPORT_SYMBOL(drm_edid_dup);
2583 * drm_edid_free - Free the drm_edid container
2584 * @drm_edid: EDID to free
2586 void drm_edid_free(const struct drm_edid *drm_edid)
2591 kfree(drm_edid->edid);
2594 EXPORT_SYMBOL(drm_edid_free);
2597 * drm_probe_ddc() - probe DDC presence
2598 * @adapter: I2C adapter to probe
2600 * Return: True on success, false on failure.
2603 drm_probe_ddc(struct i2c_adapter *adapter)
2607 return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2609 EXPORT_SYMBOL(drm_probe_ddc);
2612 * drm_get_edid - get EDID data, if available
2613 * @connector: connector we're probing
2614 * @adapter: I2C adapter to use for DDC
2616 * Poke the given I2C channel to grab EDID data if possible. If found,
2617 * attach it to the connector.
2619 * Return: Pointer to valid EDID or NULL if we couldn't find any.
2621 struct edid *drm_get_edid(struct drm_connector *connector,
2622 struct i2c_adapter *adapter)
2626 if (connector->force == DRM_FORCE_OFF)
2629 if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2632 edid = _drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter, NULL);
2633 drm_connector_update_edid_property(connector, edid);
2636 EXPORT_SYMBOL(drm_get_edid);
2639 * drm_edid_read_custom - Read EDID data using given EDID block read function
2640 * @connector: Connector to use
2641 * @read_block: EDID block read function
2642 * @context: Private data passed to the block read function
2644 * When the I2C adapter connected to the DDC bus is hidden behind a device that
2645 * exposes a different interface to read EDID blocks this function can be used
2646 * to get EDID data using a custom block read function.
2648 * As in the general case the DDC bus is accessible by the kernel at the I2C
2649 * level, drivers must make all reasonable efforts to expose it as an I2C
2650 * adapter and use drm_edid_read() or drm_edid_read_ddc() instead of abusing
2653 * The EDID may be overridden using debugfs override_edid or firmware EDID
2654 * (drm_edid_load_firmware() and drm.edid_firmware parameter), in this priority
2655 * order. Having either of them bypasses actual EDID reads.
2657 * The returned pointer must be freed using drm_edid_free().
2659 * Return: Pointer to EDID, or NULL if probe/read failed.
2661 const struct drm_edid *drm_edid_read_custom(struct drm_connector *connector,
2662 read_block_fn read_block,
2665 const struct drm_edid *drm_edid;
2669 edid = _drm_do_get_edid(connector, read_block, context, &size);
2673 /* Sanity check for now */
2674 drm_WARN_ON(connector->dev, !size);
2676 drm_edid = _drm_edid_alloc(edid, size);
2682 EXPORT_SYMBOL(drm_edid_read_custom);
2685 * drm_edid_read_ddc - Read EDID data using given I2C adapter
2686 * @connector: Connector to use
2687 * @adapter: I2C adapter to use for DDC
2689 * Read EDID using the given I2C adapter.
2691 * The EDID may be overridden using debugfs override_edid or firmware EDID
2692 * (drm_edid_load_firmware() and drm.edid_firmware parameter), in this priority
2693 * order. Having either of them bypasses actual EDID reads.
2695 * Prefer initializing connector->ddc with drm_connector_init_with_ddc() and
2696 * using drm_edid_read() instead of this function.
2698 * The returned pointer must be freed using drm_edid_free().
2700 * Return: Pointer to EDID, or NULL if probe/read failed.
2702 const struct drm_edid *drm_edid_read_ddc(struct drm_connector *connector,
2703 struct i2c_adapter *adapter)
2705 const struct drm_edid *drm_edid;
2707 if (connector->force == DRM_FORCE_OFF)
2710 if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2713 drm_edid = drm_edid_read_custom(connector, drm_do_probe_ddc_edid, adapter);
2715 /* Note: Do *not* call connector updates here. */
2719 EXPORT_SYMBOL(drm_edid_read_ddc);
2722 * drm_edid_read - Read EDID data using connector's I2C adapter
2723 * @connector: Connector to use
2725 * Read EDID using the connector's I2C adapter.
2727 * The EDID may be overridden using debugfs override_edid or firmware EDID
2728 * (drm_edid_load_firmware() and drm.edid_firmware parameter), in this priority
2729 * order. Having either of them bypasses actual EDID reads.
2731 * The returned pointer must be freed using drm_edid_free().
2733 * Return: Pointer to EDID, or NULL if probe/read failed.
2735 const struct drm_edid *drm_edid_read(struct drm_connector *connector)
2737 if (drm_WARN_ON(connector->dev, !connector->ddc))
2740 return drm_edid_read_ddc(connector, connector->ddc);
2742 EXPORT_SYMBOL(drm_edid_read);
2744 static u32 edid_extract_panel_id(const struct edid *edid)
2747 * We represent the ID as a 32-bit number so it can easily be compared
2750 * NOTE that we deal with endianness differently for the top half
2751 * of this ID than for the bottom half. The bottom half (the product
2752 * id) gets decoded as little endian by the EDID_PRODUCT_ID because
2753 * that's how everyone seems to interpret it. The top half (the mfg_id)
2754 * gets stored as big endian because that makes
2755 * drm_edid_encode_panel_id() and drm_edid_decode_panel_id() easier
2756 * to write (it's easier to extract the ASCII). It doesn't really
2757 * matter, though, as long as the number here is unique.
2759 return (u32)edid->mfg_id[0] << 24 |
2760 (u32)edid->mfg_id[1] << 16 |
2761 (u32)EDID_PRODUCT_ID(edid);
2765 * drm_edid_get_panel_id - Get a panel's ID through DDC
2766 * @adapter: I2C adapter to use for DDC
2768 * This function reads the first block of the EDID of a panel and (assuming
2769 * that the EDID is valid) extracts the ID out of it. The ID is a 32-bit value
2770 * (16 bits of manufacturer ID and 16 bits of per-manufacturer ID) that's
2771 * supposed to be different for each different modem of panel.
2773 * This function is intended to be used during early probing on devices where
2774 * more than one panel might be present. Because of its intended use it must
2775 * assume that the EDID of the panel is correct, at least as far as the ID
2776 * is concerned (in other words, we don't process any overrides here).
2778 * NOTE: it's expected that this function and drm_do_get_edid() will both
2779 * be read the EDID, but there is no caching between them. Since we're only
2780 * reading the first block, hopefully this extra overhead won't be too big.
2782 * Return: A 32-bit ID that should be different for each make/model of panel.
2783 * See the functions drm_edid_encode_panel_id() and
2784 * drm_edid_decode_panel_id() for some details on the structure of this
2788 u32 drm_edid_get_panel_id(struct i2c_adapter *adapter)
2790 enum edid_block_status status;
2795 * There are no manufacturer IDs of 0, so if there is a problem reading
2796 * the EDID then we'll just return 0.
2799 base_block = kzalloc(EDID_LENGTH, GFP_KERNEL);
2803 status = edid_block_read(base_block, 0, drm_do_probe_ddc_edid, adapter);
2805 edid_block_status_print(status, base_block, 0);
2807 if (edid_block_status_valid(status, edid_block_tag(base_block)))
2808 panel_id = edid_extract_panel_id(base_block);
2810 edid_block_dump(KERN_NOTICE, base_block, 0);
2816 EXPORT_SYMBOL(drm_edid_get_panel_id);
2819 * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2820 * @connector: connector we're probing
2821 * @adapter: I2C adapter to use for DDC
2823 * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2824 * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2825 * switch DDC to the GPU which is retrieving EDID.
2827 * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2829 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2830 struct i2c_adapter *adapter)
2832 struct drm_device *dev = connector->dev;
2833 struct pci_dev *pdev = to_pci_dev(dev->dev);
2836 if (drm_WARN_ON_ONCE(dev, !dev_is_pci(dev->dev)))
2839 vga_switcheroo_lock_ddc(pdev);
2840 edid = drm_get_edid(connector, adapter);
2841 vga_switcheroo_unlock_ddc(pdev);
2845 EXPORT_SYMBOL(drm_get_edid_switcheroo);
2848 * drm_edid_duplicate - duplicate an EDID and the extensions
2849 * @edid: EDID to duplicate
2851 * Return: Pointer to duplicated EDID or NULL on allocation failure.
2853 struct edid *drm_edid_duplicate(const struct edid *edid)
2855 return kmemdup(edid, edid_size(edid), GFP_KERNEL);
2857 EXPORT_SYMBOL(drm_edid_duplicate);
2859 /*** EDID parsing ***/
2862 * edid_get_quirks - return quirk flags for a given EDID
2863 * @drm_edid: EDID to process
2865 * This tells subsequent routines what fixes they need to apply.
2867 static u32 edid_get_quirks(const struct drm_edid *drm_edid)
2869 u32 panel_id = edid_extract_panel_id(drm_edid->edid);
2870 const struct edid_quirk *quirk;
2873 for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2874 quirk = &edid_quirk_list[i];
2875 if (quirk->panel_id == panel_id)
2876 return quirk->quirks;
2882 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2883 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2886 * Walk the mode list for connector, clearing the preferred status on existing
2887 * modes and setting it anew for the right mode ala quirks.
2889 static void edid_fixup_preferred(struct drm_connector *connector)
2891 const struct drm_display_info *info = &connector->display_info;
2892 struct drm_display_mode *t, *cur_mode, *preferred_mode;
2893 int target_refresh = 0;
2894 int cur_vrefresh, preferred_vrefresh;
2896 if (list_empty(&connector->probed_modes))
2899 if (info->quirks & EDID_QUIRK_PREFER_LARGE_60)
2900 target_refresh = 60;
2901 if (info->quirks & EDID_QUIRK_PREFER_LARGE_75)
2902 target_refresh = 75;
2904 preferred_mode = list_first_entry(&connector->probed_modes,
2905 struct drm_display_mode, head);
2907 list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2908 cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2910 if (cur_mode == preferred_mode)
2913 /* Largest mode is preferred */
2914 if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2915 preferred_mode = cur_mode;
2917 cur_vrefresh = drm_mode_vrefresh(cur_mode);
2918 preferred_vrefresh = drm_mode_vrefresh(preferred_mode);
2919 /* At a given size, try to get closest to target refresh */
2920 if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2921 MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2922 MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2923 preferred_mode = cur_mode;
2927 preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2931 mode_is_rb(const struct drm_display_mode *mode)
2933 return (mode->htotal - mode->hdisplay == 160) &&
2934 (mode->hsync_end - mode->hdisplay == 80) &&
2935 (mode->hsync_end - mode->hsync_start == 32) &&
2936 (mode->vsync_start - mode->vdisplay == 3);
2940 * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2941 * @dev: Device to duplicate against
2942 * @hsize: Mode width
2943 * @vsize: Mode height
2944 * @fresh: Mode refresh rate
2945 * @rb: Mode reduced-blanking-ness
2947 * Walk the DMT mode list looking for a match for the given parameters.
2949 * Return: A newly allocated copy of the mode, or NULL if not found.
2951 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2952 int hsize, int vsize, int fresh,
2957 for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2958 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2960 if (hsize != ptr->hdisplay)
2962 if (vsize != ptr->vdisplay)
2964 if (fresh != drm_mode_vrefresh(ptr))
2966 if (rb != mode_is_rb(ptr))
2969 return drm_mode_duplicate(dev, ptr);
2974 EXPORT_SYMBOL(drm_mode_find_dmt);
2976 static bool is_display_descriptor(const struct detailed_timing *descriptor, u8 type)
2978 BUILD_BUG_ON(offsetof(typeof(*descriptor), pixel_clock) != 0);
2979 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.pad1) != 2);
2980 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.type) != 3);
2982 return descriptor->pixel_clock == 0 &&
2983 descriptor->data.other_data.pad1 == 0 &&
2984 descriptor->data.other_data.type == type;
2987 static bool is_detailed_timing_descriptor(const struct detailed_timing *descriptor)
2989 BUILD_BUG_ON(offsetof(typeof(*descriptor), pixel_clock) != 0);
2991 return descriptor->pixel_clock != 0;
2994 typedef void detailed_cb(const struct detailed_timing *timing, void *closure);
2997 cea_for_each_detailed_block(const u8 *ext, detailed_cb *cb, void *closure)
3001 const u8 *det_base = ext + d;
3003 if (d < 4 || d > 127)
3007 for (i = 0; i < n; i++)
3008 cb((const struct detailed_timing *)(det_base + 18 * i), closure);
3012 vtb_for_each_detailed_block(const u8 *ext, detailed_cb *cb, void *closure)
3014 unsigned int i, n = min((int)ext[0x02], 6);
3015 const u8 *det_base = ext + 5;
3018 return; /* unknown version */
3020 for (i = 0; i < n; i++)
3021 cb((const struct detailed_timing *)(det_base + 18 * i), closure);
3024 static void drm_for_each_detailed_block(const struct drm_edid *drm_edid,
3025 detailed_cb *cb, void *closure)
3027 struct drm_edid_iter edid_iter;
3034 for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
3035 cb(&drm_edid->edid->detailed_timings[i], closure);
3037 drm_edid_iter_begin(drm_edid, &edid_iter);
3038 drm_edid_iter_for_each(ext, &edid_iter) {
3041 cea_for_each_detailed_block(ext, cb, closure);
3044 vtb_for_each_detailed_block(ext, cb, closure);
3050 drm_edid_iter_end(&edid_iter);
3054 is_rb(const struct detailed_timing *descriptor, void *data)
3058 if (!is_display_descriptor(descriptor, EDID_DETAIL_MONITOR_RANGE))
3061 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.flags) != 10);
3062 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.cvt.flags) != 15);
3064 if (descriptor->data.other_data.data.range.flags == DRM_EDID_CVT_SUPPORT_FLAG &&
3065 descriptor->data.other_data.data.range.formula.cvt.flags & DRM_EDID_CVT_FLAGS_REDUCED_BLANKING)
3069 /* EDID 1.4 defines this explicitly. For EDID 1.3, we guess, badly. */
3071 drm_monitor_supports_rb(const struct drm_edid *drm_edid)
3073 if (drm_edid->edid->revision >= 4) {
3076 drm_for_each_detailed_block(drm_edid, is_rb, &ret);
3080 return ((drm_edid->edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
3084 find_gtf2(const struct detailed_timing *descriptor, void *data)
3086 const struct detailed_timing **res = data;
3088 if (!is_display_descriptor(descriptor, EDID_DETAIL_MONITOR_RANGE))
3091 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.flags) != 10);
3093 if (descriptor->data.other_data.data.range.flags == DRM_EDID_SECONDARY_GTF_SUPPORT_FLAG)
3097 /* Secondary GTF curve kicks in above some break frequency */
3099 drm_gtf2_hbreak(const struct drm_edid *drm_edid)
3101 const struct detailed_timing *descriptor = NULL;
3103 drm_for_each_detailed_block(drm_edid, find_gtf2, &descriptor);
3105 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.hfreq_start_khz) != 12);
3107 return descriptor ? descriptor->data.other_data.data.range.formula.gtf2.hfreq_start_khz * 2 : 0;
3111 drm_gtf2_2c(const struct drm_edid *drm_edid)
3113 const struct detailed_timing *descriptor = NULL;
3115 drm_for_each_detailed_block(drm_edid, find_gtf2, &descriptor);
3117 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.c) != 13);
3119 return descriptor ? descriptor->data.other_data.data.range.formula.gtf2.c : 0;
3123 drm_gtf2_m(const struct drm_edid *drm_edid)
3125 const struct detailed_timing *descriptor = NULL;
3127 drm_for_each_detailed_block(drm_edid, find_gtf2, &descriptor);
3129 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.m) != 14);
3131 return descriptor ? le16_to_cpu(descriptor->data.other_data.data.range.formula.gtf2.m) : 0;
3135 drm_gtf2_k(const struct drm_edid *drm_edid)
3137 const struct detailed_timing *descriptor = NULL;
3139 drm_for_each_detailed_block(drm_edid, find_gtf2, &descriptor);
3141 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.k) != 16);
3143 return descriptor ? descriptor->data.other_data.data.range.formula.gtf2.k : 0;
3147 drm_gtf2_2j(const struct drm_edid *drm_edid)
3149 const struct detailed_timing *descriptor = NULL;
3151 drm_for_each_detailed_block(drm_edid, find_gtf2, &descriptor);
3153 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.j) != 17);
3155 return descriptor ? descriptor->data.other_data.data.range.formula.gtf2.j : 0;
3159 get_timing_level(const struct detailed_timing *descriptor, void *data)
3163 if (!is_display_descriptor(descriptor, EDID_DETAIL_MONITOR_RANGE))
3166 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.flags) != 10);
3168 switch (descriptor->data.other_data.data.range.flags) {
3169 case DRM_EDID_DEFAULT_GTF_SUPPORT_FLAG:
3172 case DRM_EDID_SECONDARY_GTF_SUPPORT_FLAG:
3175 case DRM_EDID_CVT_SUPPORT_FLAG:
3183 /* Get standard timing level (CVT/GTF/DMT). */
3184 static int standard_timing_level(const struct drm_edid *drm_edid)
3186 const struct edid *edid = drm_edid->edid;
3188 if (edid->revision >= 4) {
3190 * If the range descriptor doesn't
3191 * indicate otherwise default to CVT
3193 int ret = LEVEL_CVT;
3195 drm_for_each_detailed_block(drm_edid, get_timing_level, &ret);
3198 } else if (edid->revision >= 3 && drm_gtf2_hbreak(drm_edid)) {
3200 } else if (edid->revision >= 2) {
3208 * 0 is reserved. The spec says 0x01 fill for unused timings. Some old
3209 * monitors fill with ascii space (0x20) instead.
3212 bad_std_timing(u8 a, u8 b)
3214 return (a == 0x00 && b == 0x00) ||
3215 (a == 0x01 && b == 0x01) ||
3216 (a == 0x20 && b == 0x20);
3219 static int drm_mode_hsync(const struct drm_display_mode *mode)
3221 if (mode->htotal <= 0)
3224 return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
3227 static struct drm_display_mode *
3228 drm_gtf2_mode(struct drm_device *dev,
3229 const struct drm_edid *drm_edid,
3230 int hsize, int vsize, int vrefresh_rate)
3232 struct drm_display_mode *mode;
3235 * This is potentially wrong if there's ever a monitor with
3236 * more than one ranges section, each claiming a different
3237 * secondary GTF curve. Please don't do that.
3239 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
3243 if (drm_mode_hsync(mode) > drm_gtf2_hbreak(drm_edid)) {
3244 drm_mode_destroy(dev, mode);
3245 mode = drm_gtf_mode_complex(dev, hsize, vsize,
3246 vrefresh_rate, 0, 0,
3247 drm_gtf2_m(drm_edid),
3248 drm_gtf2_2c(drm_edid),
3249 drm_gtf2_k(drm_edid),
3250 drm_gtf2_2j(drm_edid));
3257 * Take the standard timing params (in this case width, aspect, and refresh)
3258 * and convert them into a real mode using CVT/GTF/DMT.
3260 static struct drm_display_mode *drm_mode_std(struct drm_connector *connector,
3261 const struct drm_edid *drm_edid,
3262 const struct std_timing *t)
3264 struct drm_device *dev = connector->dev;
3265 struct drm_display_mode *m, *mode = NULL;
3268 unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
3269 >> EDID_TIMING_ASPECT_SHIFT;
3270 unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
3271 >> EDID_TIMING_VFREQ_SHIFT;
3272 int timing_level = standard_timing_level(drm_edid);
3274 if (bad_std_timing(t->hsize, t->vfreq_aspect))
3277 /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
3278 hsize = t->hsize * 8 + 248;
3279 /* vrefresh_rate = vfreq + 60 */
3280 vrefresh_rate = vfreq + 60;
3281 /* the vdisplay is calculated based on the aspect ratio */
3282 if (aspect_ratio == 0) {
3283 if (drm_edid->edid->revision < 3)
3286 vsize = (hsize * 10) / 16;
3287 } else if (aspect_ratio == 1)
3288 vsize = (hsize * 3) / 4;
3289 else if (aspect_ratio == 2)
3290 vsize = (hsize * 4) / 5;
3292 vsize = (hsize * 9) / 16;
3294 /* HDTV hack, part 1 */
3295 if (vrefresh_rate == 60 &&
3296 ((hsize == 1360 && vsize == 765) ||
3297 (hsize == 1368 && vsize == 769))) {
3303 * If this connector already has a mode for this size and refresh
3304 * rate (because it came from detailed or CVT info), use that
3305 * instead. This way we don't have to guess at interlace or
3308 list_for_each_entry(m, &connector->probed_modes, head)
3309 if (m->hdisplay == hsize && m->vdisplay == vsize &&
3310 drm_mode_vrefresh(m) == vrefresh_rate)
3313 /* HDTV hack, part 2 */
3314 if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
3315 mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
3319 mode->hdisplay = 1366;
3320 mode->hsync_start = mode->hsync_start - 1;
3321 mode->hsync_end = mode->hsync_end - 1;
3325 /* check whether it can be found in default mode table */
3326 if (drm_monitor_supports_rb(drm_edid)) {
3327 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
3332 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
3336 /* okay, generate it */
3337 switch (timing_level) {
3341 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
3344 mode = drm_gtf2_mode(dev, drm_edid, hsize, vsize, vrefresh_rate);
3347 mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
3355 * EDID is delightfully ambiguous about how interlaced modes are to be
3356 * encoded. Our internal representation is of frame height, but some
3357 * HDTV detailed timings are encoded as field height.
3359 * The format list here is from CEA, in frame size. Technically we
3360 * should be checking refresh rate too. Whatever.
3363 drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
3364 const struct detailed_pixel_timing *pt)
3367 static const struct {
3369 } cea_interlaced[] = {
3379 if (!(pt->misc & DRM_EDID_PT_INTERLACED))
3382 for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
3383 if ((mode->hdisplay == cea_interlaced[i].w) &&
3384 (mode->vdisplay == cea_interlaced[i].h / 2)) {
3385 mode->vdisplay *= 2;
3386 mode->vsync_start *= 2;
3387 mode->vsync_end *= 2;
3393 mode->flags |= DRM_MODE_FLAG_INTERLACE;
3397 * Create a new mode from an EDID detailed timing section. An EDID detailed
3398 * timing block contains enough info for us to create and return a new struct
3401 static struct drm_display_mode *drm_mode_detailed(struct drm_connector *connector,
3402 const struct drm_edid *drm_edid,
3403 const struct detailed_timing *timing)
3405 const struct drm_display_info *info = &connector->display_info;
3406 struct drm_device *dev = connector->dev;
3407 struct drm_display_mode *mode;
3408 const struct detailed_pixel_timing *pt = &timing->data.pixel_data;
3409 unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
3410 unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
3411 unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
3412 unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
3413 unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
3414 unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
3415 unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
3416 unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
3418 /* ignore tiny modes */
3419 if (hactive < 64 || vactive < 64)
3422 if (pt->misc & DRM_EDID_PT_STEREO) {
3423 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Stereo mode not supported\n",
3424 connector->base.id, connector->name);
3428 /* it is incorrect if hsync/vsync width is zero */
3429 if (!hsync_pulse_width || !vsync_pulse_width) {
3430 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Incorrect Detailed timing. Wrong Hsync/Vsync pulse width\n",
3431 connector->base.id, connector->name);
3435 if (info->quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
3436 mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
3443 mode = drm_mode_create(dev);
3447 if (info->quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
3448 mode->clock = 1088 * 10;
3450 mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
3452 mode->hdisplay = hactive;
3453 mode->hsync_start = mode->hdisplay + hsync_offset;
3454 mode->hsync_end = mode->hsync_start + hsync_pulse_width;
3455 mode->htotal = mode->hdisplay + hblank;
3457 mode->vdisplay = vactive;
3458 mode->vsync_start = mode->vdisplay + vsync_offset;
3459 mode->vsync_end = mode->vsync_start + vsync_pulse_width;
3460 mode->vtotal = mode->vdisplay + vblank;
3462 /* Some EDIDs have bogus h/vtotal values */
3463 if (mode->hsync_end > mode->htotal)
3464 mode->htotal = mode->hsync_end + 1;
3465 if (mode->vsync_end > mode->vtotal)
3466 mode->vtotal = mode->vsync_end + 1;
3468 drm_mode_do_interlace_quirk(mode, pt);
3470 if (info->quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
3471 mode->flags |= DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC;
3473 switch (pt->misc & DRM_EDID_PT_SYNC_MASK) {
3474 case DRM_EDID_PT_ANALOG_CSYNC:
3475 case DRM_EDID_PT_BIPOLAR_ANALOG_CSYNC:
3476 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Analog composite sync!\n",
3477 connector->base.id, connector->name);
3478 mode->flags |= DRM_MODE_FLAG_CSYNC | DRM_MODE_FLAG_NCSYNC;
3480 case DRM_EDID_PT_DIGITAL_CSYNC:
3481 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Digital composite sync!\n",
3482 connector->base.id, connector->name);
3483 mode->flags |= DRM_MODE_FLAG_CSYNC;
3484 mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
3485 DRM_MODE_FLAG_PCSYNC : DRM_MODE_FLAG_NCSYNC;
3487 case DRM_EDID_PT_DIGITAL_SEPARATE_SYNC:
3488 mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
3489 DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
3490 mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
3491 DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
3497 mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
3498 mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
3500 if (info->quirks & EDID_QUIRK_DETAILED_IN_CM) {
3501 mode->width_mm *= 10;
3502 mode->height_mm *= 10;
3505 if (info->quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
3506 mode->width_mm = drm_edid->edid->width_cm * 10;
3507 mode->height_mm = drm_edid->edid->height_cm * 10;
3510 mode->type = DRM_MODE_TYPE_DRIVER;
3511 drm_mode_set_name(mode);
3517 mode_in_hsync_range(const struct drm_display_mode *mode,
3518 const struct edid *edid, const u8 *t)
3520 int hsync, hmin, hmax;
3523 if (edid->revision >= 4)
3524 hmin += ((t[4] & 0x04) ? 255 : 0);
3526 if (edid->revision >= 4)
3527 hmax += ((t[4] & 0x08) ? 255 : 0);
3528 hsync = drm_mode_hsync(mode);
3530 return (hsync <= hmax && hsync >= hmin);
3534 mode_in_vsync_range(const struct drm_display_mode *mode,
3535 const struct edid *edid, const u8 *t)
3537 int vsync, vmin, vmax;
3540 if (edid->revision >= 4)
3541 vmin += ((t[4] & 0x01) ? 255 : 0);
3543 if (edid->revision >= 4)
3544 vmax += ((t[4] & 0x02) ? 255 : 0);
3545 vsync = drm_mode_vrefresh(mode);
3547 return (vsync <= vmax && vsync >= vmin);
3551 range_pixel_clock(const struct edid *edid, const u8 *t)
3554 if (t[9] == 0 || t[9] == 255)
3557 /* 1.4 with CVT support gives us real precision, yay */
3558 if (edid->revision >= 4 && t[10] == DRM_EDID_CVT_SUPPORT_FLAG)
3559 return (t[9] * 10000) - ((t[12] >> 2) * 250);
3561 /* 1.3 is pathetic, so fuzz up a bit */
3562 return t[9] * 10000 + 5001;
3565 static bool mode_in_range(const struct drm_display_mode *mode,
3566 const struct drm_edid *drm_edid,
3567 const struct detailed_timing *timing)
3569 const struct edid *edid = drm_edid->edid;
3571 const u8 *t = (const u8 *)timing;
3573 if (!mode_in_hsync_range(mode, edid, t))
3576 if (!mode_in_vsync_range(mode, edid, t))
3579 if ((max_clock = range_pixel_clock(edid, t)))
3580 if (mode->clock > max_clock)
3583 /* 1.4 max horizontal check */
3584 if (edid->revision >= 4 && t[10] == DRM_EDID_CVT_SUPPORT_FLAG)
3585 if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
3588 if (mode_is_rb(mode) && !drm_monitor_supports_rb(drm_edid))
3594 static bool valid_inferred_mode(const struct drm_connector *connector,
3595 const struct drm_display_mode *mode)
3597 const struct drm_display_mode *m;
3600 list_for_each_entry(m, &connector->probed_modes, head) {
3601 if (mode->hdisplay == m->hdisplay &&
3602 mode->vdisplay == m->vdisplay &&
3603 drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
3604 return false; /* duplicated */
3605 if (mode->hdisplay <= m->hdisplay &&
3606 mode->vdisplay <= m->vdisplay)
3612 static int drm_dmt_modes_for_range(struct drm_connector *connector,
3613 const struct drm_edid *drm_edid,
3614 const struct detailed_timing *timing)
3617 struct drm_display_mode *newmode;
3618 struct drm_device *dev = connector->dev;
3620 for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
3621 if (mode_in_range(drm_dmt_modes + i, drm_edid, timing) &&
3622 valid_inferred_mode(connector, drm_dmt_modes + i)) {
3623 newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
3625 drm_mode_probed_add(connector, newmode);
3634 /* fix up 1366x768 mode from 1368x768;
3635 * GFT/CVT can't express 1366 width which isn't dividable by 8
3637 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
3639 if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
3640 mode->hdisplay = 1366;
3641 mode->hsync_start--;
3643 drm_mode_set_name(mode);
3647 static int drm_gtf_modes_for_range(struct drm_connector *connector,
3648 const struct drm_edid *drm_edid,
3649 const struct detailed_timing *timing)
3652 struct drm_display_mode *newmode;
3653 struct drm_device *dev = connector->dev;
3655 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
3656 const struct minimode *m = &extra_modes[i];
3658 newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
3662 drm_mode_fixup_1366x768(newmode);
3663 if (!mode_in_range(newmode, drm_edid, timing) ||
3664 !valid_inferred_mode(connector, newmode)) {
3665 drm_mode_destroy(dev, newmode);
3669 drm_mode_probed_add(connector, newmode);
3676 static int drm_gtf2_modes_for_range(struct drm_connector *connector,
3677 const struct drm_edid *drm_edid,
3678 const struct detailed_timing *timing)
3681 struct drm_display_mode *newmode;
3682 struct drm_device *dev = connector->dev;
3684 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
3685 const struct minimode *m = &extra_modes[i];
3687 newmode = drm_gtf2_mode(dev, drm_edid, m->w, m->h, m->r);
3691 drm_mode_fixup_1366x768(newmode);
3692 if (!mode_in_range(newmode, drm_edid, timing) ||
3693 !valid_inferred_mode(connector, newmode)) {
3694 drm_mode_destroy(dev, newmode);
3698 drm_mode_probed_add(connector, newmode);
3705 static int drm_cvt_modes_for_range(struct drm_connector *connector,
3706 const struct drm_edid *drm_edid,
3707 const struct detailed_timing *timing)
3710 struct drm_display_mode *newmode;
3711 struct drm_device *dev = connector->dev;
3712 bool rb = drm_monitor_supports_rb(drm_edid);
3714 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
3715 const struct minimode *m = &extra_modes[i];
3717 newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
3721 drm_mode_fixup_1366x768(newmode);
3722 if (!mode_in_range(newmode, drm_edid, timing) ||
3723 !valid_inferred_mode(connector, newmode)) {
3724 drm_mode_destroy(dev, newmode);
3728 drm_mode_probed_add(connector, newmode);
3736 do_inferred_modes(const struct detailed_timing *timing, void *c)
3738 struct detailed_mode_closure *closure = c;
3739 const struct detailed_non_pixel *data = &timing->data.other_data;
3740 const struct detailed_data_monitor_range *range = &data->data.range;
3742 if (!is_display_descriptor(timing, EDID_DETAIL_MONITOR_RANGE))
3745 closure->modes += drm_dmt_modes_for_range(closure->connector,
3749 if (closure->drm_edid->edid->revision < 2)
3750 return; /* GTF not defined yet */
3752 switch (range->flags) {
3753 case DRM_EDID_SECONDARY_GTF_SUPPORT_FLAG:
3754 closure->modes += drm_gtf2_modes_for_range(closure->connector,
3758 case DRM_EDID_DEFAULT_GTF_SUPPORT_FLAG:
3759 closure->modes += drm_gtf_modes_for_range(closure->connector,
3763 case DRM_EDID_CVT_SUPPORT_FLAG:
3764 if (closure->drm_edid->edid->revision < 4)
3767 closure->modes += drm_cvt_modes_for_range(closure->connector,
3771 case DRM_EDID_RANGE_LIMITS_ONLY_FLAG:
3777 static int add_inferred_modes(struct drm_connector *connector,
3778 const struct drm_edid *drm_edid)
3780 struct detailed_mode_closure closure = {
3781 .connector = connector,
3782 .drm_edid = drm_edid,
3785 if (drm_edid->edid->revision >= 1)
3786 drm_for_each_detailed_block(drm_edid, do_inferred_modes, &closure);
3788 return closure.modes;
3792 drm_est3_modes(struct drm_connector *connector, const struct detailed_timing *timing)
3794 int i, j, m, modes = 0;
3795 struct drm_display_mode *mode;
3796 const u8 *est = ((const u8 *)timing) + 6;
3798 for (i = 0; i < 6; i++) {
3799 for (j = 7; j >= 0; j--) {
3800 m = (i * 8) + (7 - j);
3801 if (m >= ARRAY_SIZE(est3_modes))
3803 if (est[i] & (1 << j)) {
3804 mode = drm_mode_find_dmt(connector->dev,
3810 drm_mode_probed_add(connector, mode);
3821 do_established_modes(const struct detailed_timing *timing, void *c)
3823 struct detailed_mode_closure *closure = c;
3825 if (!is_display_descriptor(timing, EDID_DETAIL_EST_TIMINGS))
3828 closure->modes += drm_est3_modes(closure->connector, timing);
3832 * Get established modes from EDID and add them. Each EDID block contains a
3833 * bitmap of the supported "established modes" list (defined above). Tease them
3834 * out and add them to the global modes list.
3836 static int add_established_modes(struct drm_connector *connector,
3837 const struct drm_edid *drm_edid)
3839 struct drm_device *dev = connector->dev;
3840 const struct edid *edid = drm_edid->edid;
3841 unsigned long est_bits = edid->established_timings.t1 |
3842 (edid->established_timings.t2 << 8) |
3843 ((edid->established_timings.mfg_rsvd & 0x80) << 9);
3845 struct detailed_mode_closure closure = {
3846 .connector = connector,
3847 .drm_edid = drm_edid,
3850 for (i = 0; i <= EDID_EST_TIMINGS; i++) {
3851 if (est_bits & (1<<i)) {
3852 struct drm_display_mode *newmode;
3854 newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
3856 drm_mode_probed_add(connector, newmode);
3862 if (edid->revision >= 1)
3863 drm_for_each_detailed_block(drm_edid, do_established_modes,
3866 return modes + closure.modes;
3870 do_standard_modes(const struct detailed_timing *timing, void *c)
3872 struct detailed_mode_closure *closure = c;
3873 const struct detailed_non_pixel *data = &timing->data.other_data;
3874 struct drm_connector *connector = closure->connector;
3877 if (!is_display_descriptor(timing, EDID_DETAIL_STD_MODES))
3880 for (i = 0; i < 6; i++) {
3881 const struct std_timing *std = &data->data.timings[i];
3882 struct drm_display_mode *newmode;
3884 newmode = drm_mode_std(connector, closure->drm_edid, std);
3886 drm_mode_probed_add(connector, newmode);
3893 * Get standard modes from EDID and add them. Standard modes can be calculated
3894 * using the appropriate standard (DMT, GTF, or CVT). Grab them from EDID and
3895 * add them to the list.
3897 static int add_standard_modes(struct drm_connector *connector,
3898 const struct drm_edid *drm_edid)
3901 struct detailed_mode_closure closure = {
3902 .connector = connector,
3903 .drm_edid = drm_edid,
3906 for (i = 0; i < EDID_STD_TIMINGS; i++) {
3907 struct drm_display_mode *newmode;
3909 newmode = drm_mode_std(connector, drm_edid,
3910 &drm_edid->edid->standard_timings[i]);
3912 drm_mode_probed_add(connector, newmode);
3917 if (drm_edid->edid->revision >= 1)
3918 drm_for_each_detailed_block(drm_edid, do_standard_modes,
3921 /* XXX should also look for standard codes in VTB blocks */
3923 return modes + closure.modes;
3926 static int drm_cvt_modes(struct drm_connector *connector,
3927 const struct detailed_timing *timing)
3929 int i, j, modes = 0;
3930 struct drm_display_mode *newmode;
3931 struct drm_device *dev = connector->dev;
3932 const struct cvt_timing *cvt;
3933 const int rates[] = { 60, 85, 75, 60, 50 };
3934 const u8 empty[3] = { 0, 0, 0 };
3936 for (i = 0; i < 4; i++) {
3939 cvt = &(timing->data.other_data.data.cvt[i]);
3941 if (!memcmp(cvt->code, empty, 3))
3944 height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3945 switch (cvt->code[1] & 0x0c) {
3946 /* default - because compiler doesn't see that we've enumerated all cases */
3949 width = height * 4 / 3;
3952 width = height * 16 / 9;
3955 width = height * 16 / 10;
3958 width = height * 15 / 9;
3962 for (j = 1; j < 5; j++) {
3963 if (cvt->code[2] & (1 << j)) {
3964 newmode = drm_cvt_mode(dev, width, height,
3968 drm_mode_probed_add(connector, newmode);
3979 do_cvt_mode(const struct detailed_timing *timing, void *c)
3981 struct detailed_mode_closure *closure = c;
3983 if (!is_display_descriptor(timing, EDID_DETAIL_CVT_3BYTE))
3986 closure->modes += drm_cvt_modes(closure->connector, timing);
3990 add_cvt_modes(struct drm_connector *connector, const struct drm_edid *drm_edid)
3992 struct detailed_mode_closure closure = {
3993 .connector = connector,
3994 .drm_edid = drm_edid,
3997 if (drm_edid->edid->revision >= 3)
3998 drm_for_each_detailed_block(drm_edid, do_cvt_mode, &closure);
4000 /* XXX should also look for CVT codes in VTB blocks */
4002 return closure.modes;
4005 static void fixup_detailed_cea_mode_clock(struct drm_connector *connector,
4006 struct drm_display_mode *mode);
4009 do_detailed_mode(const struct detailed_timing *timing, void *c)
4011 struct detailed_mode_closure *closure = c;
4012 struct drm_display_mode *newmode;
4014 if (!is_detailed_timing_descriptor(timing))
4017 newmode = drm_mode_detailed(closure->connector,
4018 closure->drm_edid, timing);
4022 if (closure->preferred)
4023 newmode->type |= DRM_MODE_TYPE_PREFERRED;
4026 * Detailed modes are limited to 10kHz pixel clock resolution,
4027 * so fix up anything that looks like CEA/HDMI mode, but the clock
4028 * is just slightly off.
4030 fixup_detailed_cea_mode_clock(closure->connector, newmode);
4032 drm_mode_probed_add(closure->connector, newmode);
4034 closure->preferred = false;
4038 * add_detailed_modes - Add modes from detailed timings
4039 * @connector: attached connector
4040 * @drm_edid: EDID block to scan
4042 static int add_detailed_modes(struct drm_connector *connector,
4043 const struct drm_edid *drm_edid)
4045 struct detailed_mode_closure closure = {
4046 .connector = connector,
4047 .drm_edid = drm_edid,
4050 if (drm_edid->edid->revision >= 4)
4051 closure.preferred = true; /* first detailed timing is always preferred */
4054 drm_edid->edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING;
4056 drm_for_each_detailed_block(drm_edid, do_detailed_mode, &closure);
4058 return closure.modes;
4061 /* CTA-861-H Table 60 - CTA Tag Codes */
4062 #define CTA_DB_AUDIO 1
4063 #define CTA_DB_VIDEO 2
4064 #define CTA_DB_VENDOR 3
4065 #define CTA_DB_SPEAKER 4
4066 #define CTA_DB_EXTENDED_TAG 7
4068 /* CTA-861-H Table 62 - CTA Extended Tag Codes */
4069 #define CTA_EXT_DB_VIDEO_CAP 0
4070 #define CTA_EXT_DB_VENDOR 1
4071 #define CTA_EXT_DB_HDR_STATIC_METADATA 6
4072 #define CTA_EXT_DB_420_VIDEO_DATA 14
4073 #define CTA_EXT_DB_420_VIDEO_CAP_MAP 15
4074 #define CTA_EXT_DB_HF_EEODB 0x78
4075 #define CTA_EXT_DB_HF_SCDB 0x79
4077 #define EDID_BASIC_AUDIO (1 << 6)
4078 #define EDID_CEA_YCRCB444 (1 << 5)
4079 #define EDID_CEA_YCRCB422 (1 << 4)
4080 #define EDID_CEA_VCDB_QS (1 << 6)
4083 * Search EDID for CEA extension block.
4085 * FIXME: Prefer not returning pointers to raw EDID data.
4087 const u8 *drm_find_edid_extension(const struct drm_edid *drm_edid,
4088 int ext_id, int *ext_index)
4090 const u8 *edid_ext = NULL;
4093 /* No EDID or EDID extensions */
4094 if (!drm_edid || !drm_edid_extension_block_count(drm_edid))
4097 /* Find CEA extension */
4098 for (i = *ext_index; i < drm_edid_extension_block_count(drm_edid); i++) {
4099 edid_ext = drm_edid_extension_block_data(drm_edid, i);
4100 if (edid_block_tag(edid_ext) == ext_id)
4104 if (i >= drm_edid_extension_block_count(drm_edid))
4112 /* Return true if the EDID has a CTA extension or a DisplayID CTA data block */
4113 static bool drm_edid_has_cta_extension(const struct drm_edid *drm_edid)
4115 const struct displayid_block *block;
4116 struct displayid_iter iter;
4120 /* Look for a top level CEA extension block */
4121 if (drm_find_edid_extension(drm_edid, CEA_EXT, &ext_index))
4124 /* CEA blocks can also be found embedded in a DisplayID block */
4125 displayid_iter_edid_begin(drm_edid, &iter);
4126 displayid_iter_for_each(block, &iter) {
4127 if (block->tag == DATA_BLOCK_CTA) {
4132 displayid_iter_end(&iter);
4137 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
4139 BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
4140 BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
4142 if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
4143 return &edid_cea_modes_1[vic - 1];
4144 if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
4145 return &edid_cea_modes_193[vic - 193];
4149 static u8 cea_num_vics(void)
4151 return 193 + ARRAY_SIZE(edid_cea_modes_193);
4154 static u8 cea_next_vic(u8 vic)
4156 if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
4162 * Calculate the alternate clock for the CEA mode
4163 * (60Hz vs. 59.94Hz etc.)
4166 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
4168 unsigned int clock = cea_mode->clock;
4170 if (drm_mode_vrefresh(cea_mode) % 6 != 0)
4174 * edid_cea_modes contains the 59.94Hz
4175 * variant for 240 and 480 line modes,
4176 * and the 60Hz variant otherwise.
4178 if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
4179 clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
4181 clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
4187 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
4190 * For certain VICs the spec allows the vertical
4191 * front porch to vary by one or two lines.
4193 * cea_modes[] stores the variant with the shortest
4194 * vertical front porch. We can adjust the mode to
4195 * get the other variants by simply increasing the
4196 * vertical front porch length.
4198 BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
4199 cea_mode_for_vic(9)->vtotal != 262 ||
4200 cea_mode_for_vic(12)->vtotal != 262 ||
4201 cea_mode_for_vic(13)->vtotal != 262 ||
4202 cea_mode_for_vic(23)->vtotal != 312 ||
4203 cea_mode_for_vic(24)->vtotal != 312 ||
4204 cea_mode_for_vic(27)->vtotal != 312 ||
4205 cea_mode_for_vic(28)->vtotal != 312);
4207 if (((vic == 8 || vic == 9 ||
4208 vic == 12 || vic == 13) && mode->vtotal < 263) ||
4209 ((vic == 23 || vic == 24 ||
4210 vic == 27 || vic == 28) && mode->vtotal < 314)) {
4211 mode->vsync_start++;
4221 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
4222 unsigned int clock_tolerance)
4224 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
4227 if (!to_match->clock)
4230 if (to_match->picture_aspect_ratio)
4231 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
4233 for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
4234 struct drm_display_mode cea_mode;
4235 unsigned int clock1, clock2;
4237 drm_mode_init(&cea_mode, cea_mode_for_vic(vic));
4239 /* Check both 60Hz and 59.94Hz */
4240 clock1 = cea_mode.clock;
4241 clock2 = cea_mode_alternate_clock(&cea_mode);
4243 if (abs(to_match->clock - clock1) > clock_tolerance &&
4244 abs(to_match->clock - clock2) > clock_tolerance)
4248 if (drm_mode_match(to_match, &cea_mode, match_flags))
4250 } while (cea_mode_alternate_timings(vic, &cea_mode));
4257 * drm_match_cea_mode - look for a CEA mode matching given mode
4258 * @to_match: display mode
4260 * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
4263 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
4265 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
4268 if (!to_match->clock)
4271 if (to_match->picture_aspect_ratio)
4272 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
4274 for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
4275 struct drm_display_mode cea_mode;
4276 unsigned int clock1, clock2;
4278 drm_mode_init(&cea_mode, cea_mode_for_vic(vic));
4280 /* Check both 60Hz and 59.94Hz */
4281 clock1 = cea_mode.clock;
4282 clock2 = cea_mode_alternate_clock(&cea_mode);
4284 if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
4285 KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
4289 if (drm_mode_match(to_match, &cea_mode, match_flags))
4291 } while (cea_mode_alternate_timings(vic, &cea_mode));
4296 EXPORT_SYMBOL(drm_match_cea_mode);
4298 static bool drm_valid_cea_vic(u8 vic)
4300 return cea_mode_for_vic(vic) != NULL;
4303 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
4305 const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
4308 return mode->picture_aspect_ratio;
4310 return HDMI_PICTURE_ASPECT_NONE;
4313 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
4315 return edid_4k_modes[video_code].picture_aspect_ratio;
4319 * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
4323 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
4325 return cea_mode_alternate_clock(hdmi_mode);
4328 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
4329 unsigned int clock_tolerance)
4331 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
4334 if (!to_match->clock)
4337 if (to_match->picture_aspect_ratio)
4338 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
4340 for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
4341 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
4342 unsigned int clock1, clock2;
4344 /* Make sure to also match alternate clocks */
4345 clock1 = hdmi_mode->clock;
4346 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
4348 if (abs(to_match->clock - clock1) > clock_tolerance &&
4349 abs(to_match->clock - clock2) > clock_tolerance)
4352 if (drm_mode_match(to_match, hdmi_mode, match_flags))
4360 * drm_match_hdmi_mode - look for a HDMI mode matching given mode
4361 * @to_match: display mode
4363 * An HDMI mode is one defined in the HDMI vendor specific block.
4365 * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
4367 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
4369 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
4372 if (!to_match->clock)
4375 if (to_match->picture_aspect_ratio)
4376 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
4378 for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
4379 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
4380 unsigned int clock1, clock2;
4382 /* Make sure to also match alternate clocks */
4383 clock1 = hdmi_mode->clock;
4384 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
4386 if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
4387 KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
4388 drm_mode_match(to_match, hdmi_mode, match_flags))
4394 static bool drm_valid_hdmi_vic(u8 vic)
4396 return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
4399 static int add_alternate_cea_modes(struct drm_connector *connector,
4400 const struct drm_edid *drm_edid)
4402 struct drm_device *dev = connector->dev;
4403 struct drm_display_mode *mode, *tmp;
4407 /* Don't add CTA modes if the CTA extension block is missing */
4408 if (!drm_edid_has_cta_extension(drm_edid))
4412 * Go through all probed modes and create a new mode
4413 * with the alternate clock for certain CEA modes.
4415 list_for_each_entry(mode, &connector->probed_modes, head) {
4416 const struct drm_display_mode *cea_mode = NULL;
4417 struct drm_display_mode *newmode;
4418 u8 vic = drm_match_cea_mode(mode);
4419 unsigned int clock1, clock2;
4421 if (drm_valid_cea_vic(vic)) {
4422 cea_mode = cea_mode_for_vic(vic);
4423 clock2 = cea_mode_alternate_clock(cea_mode);
4425 vic = drm_match_hdmi_mode(mode);
4426 if (drm_valid_hdmi_vic(vic)) {
4427 cea_mode = &edid_4k_modes[vic];
4428 clock2 = hdmi_mode_alternate_clock(cea_mode);
4435 clock1 = cea_mode->clock;
4437 if (clock1 == clock2)
4440 if (mode->clock != clock1 && mode->clock != clock2)
4443 newmode = drm_mode_duplicate(dev, cea_mode);
4447 /* Carry over the stereo flags */
4448 newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
4451 * The current mode could be either variant. Make
4452 * sure to pick the "other" clock for the new mode.
4454 if (mode->clock != clock1)
4455 newmode->clock = clock1;
4457 newmode->clock = clock2;
4459 list_add_tail(&newmode->head, &list);
4462 list_for_each_entry_safe(mode, tmp, &list, head) {
4463 list_del(&mode->head);
4464 drm_mode_probed_add(connector, mode);
4471 static u8 svd_to_vic(u8 svd)
4473 /* 0-6 bit vic, 7th bit native mode indicator */
4474 if ((svd >= 1 && svd <= 64) || (svd >= 129 && svd <= 192))
4481 * Return a display mode for the 0-based vic_index'th VIC across all CTA VDBs in
4482 * the EDID, or NULL on errors.
4484 static struct drm_display_mode *
4485 drm_display_mode_from_vic_index(struct drm_connector *connector, int vic_index)
4487 const struct drm_display_info *info = &connector->display_info;
4488 struct drm_device *dev = connector->dev;
4490 if (!info->vics || vic_index >= info->vics_len || !info->vics[vic_index])
4493 return drm_display_mode_from_cea_vic(dev, info->vics[vic_index]);
4497 * do_y420vdb_modes - Parse YCBCR 420 only modes
4498 * @connector: connector corresponding to the HDMI sink
4499 * @svds: start of the data block of CEA YCBCR 420 VDB
4500 * @len: length of the CEA YCBCR 420 VDB
4502 * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
4503 * which contains modes which can be supported in YCBCR 420
4504 * output format only.
4506 static int do_y420vdb_modes(struct drm_connector *connector,
4507 const u8 *svds, u8 svds_len)
4509 struct drm_device *dev = connector->dev;
4512 for (i = 0; i < svds_len; i++) {
4513 u8 vic = svd_to_vic(svds[i]);
4514 struct drm_display_mode *newmode;
4516 if (!drm_valid_cea_vic(vic))
4519 newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
4522 drm_mode_probed_add(connector, newmode);
4530 * drm_display_mode_from_cea_vic() - return a mode for CEA VIC
4532 * @video_code: CEA VIC of the mode
4534 * Creates a new mode matching the specified CEA VIC.
4536 * Returns: A new drm_display_mode on success or NULL on failure
4538 struct drm_display_mode *
4539 drm_display_mode_from_cea_vic(struct drm_device *dev,
4542 const struct drm_display_mode *cea_mode;
4543 struct drm_display_mode *newmode;
4545 cea_mode = cea_mode_for_vic(video_code);
4549 newmode = drm_mode_duplicate(dev, cea_mode);
4555 EXPORT_SYMBOL(drm_display_mode_from_cea_vic);
4557 /* Add modes based on VICs parsed in parse_cta_vdb() */
4558 static int add_cta_vdb_modes(struct drm_connector *connector)
4560 const struct drm_display_info *info = &connector->display_info;
4566 for (i = 0; i < info->vics_len; i++) {
4567 struct drm_display_mode *mode;
4569 mode = drm_display_mode_from_vic_index(connector, i);
4571 drm_mode_probed_add(connector, mode);
4579 struct stereo_mandatory_mode {
4580 int width, height, vrefresh;
4584 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
4585 { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
4586 { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
4588 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
4590 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
4591 { 1280, 720, 50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
4592 { 1280, 720, 50, DRM_MODE_FLAG_3D_FRAME_PACKING },
4593 { 1280, 720, 60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
4594 { 1280, 720, 60, DRM_MODE_FLAG_3D_FRAME_PACKING }
4598 stereo_match_mandatory(const struct drm_display_mode *mode,
4599 const struct stereo_mandatory_mode *stereo_mode)
4601 unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
4603 return mode->hdisplay == stereo_mode->width &&
4604 mode->vdisplay == stereo_mode->height &&
4605 interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
4606 drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
4609 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
4611 struct drm_device *dev = connector->dev;
4612 const struct drm_display_mode *mode;
4613 struct list_head stereo_modes;
4616 INIT_LIST_HEAD(&stereo_modes);
4618 list_for_each_entry(mode, &connector->probed_modes, head) {
4619 for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
4620 const struct stereo_mandatory_mode *mandatory;
4621 struct drm_display_mode *new_mode;
4623 if (!stereo_match_mandatory(mode,
4624 &stereo_mandatory_modes[i]))
4627 mandatory = &stereo_mandatory_modes[i];
4628 new_mode = drm_mode_duplicate(dev, mode);
4632 new_mode->flags |= mandatory->flags;
4633 list_add_tail(&new_mode->head, &stereo_modes);
4638 list_splice_tail(&stereo_modes, &connector->probed_modes);
4643 static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
4645 struct drm_device *dev = connector->dev;
4646 struct drm_display_mode *newmode;
4648 if (!drm_valid_hdmi_vic(vic)) {
4649 drm_err(connector->dev, "[CONNECTOR:%d:%s] Unknown HDMI VIC: %d\n",
4650 connector->base.id, connector->name, vic);
4654 newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
4658 drm_mode_probed_add(connector, newmode);
4663 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
4666 struct drm_display_mode *newmode;
4669 if (structure & (1 << 0)) {
4670 newmode = drm_display_mode_from_vic_index(connector, vic_index);
4672 newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
4673 drm_mode_probed_add(connector, newmode);
4677 if (structure & (1 << 6)) {
4678 newmode = drm_display_mode_from_vic_index(connector, vic_index);
4680 newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
4681 drm_mode_probed_add(connector, newmode);
4685 if (structure & (1 << 8)) {
4686 newmode = drm_display_mode_from_vic_index(connector, vic_index);
4688 newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
4689 drm_mode_probed_add(connector, newmode);
4697 static bool hdmi_vsdb_latency_present(const u8 *db)
4699 return db[8] & BIT(7);
4702 static bool hdmi_vsdb_i_latency_present(const u8 *db)
4704 return hdmi_vsdb_latency_present(db) && db[8] & BIT(6);
4707 static int hdmi_vsdb_latency_length(const u8 *db)
4709 if (hdmi_vsdb_i_latency_present(db))
4711 else if (hdmi_vsdb_latency_present(db))
4718 * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
4719 * @connector: connector corresponding to the HDMI sink
4720 * @db: start of the CEA vendor specific block
4721 * @len: length of the CEA block payload, ie. one can access up to db[len]
4723 * Parses the HDMI VSDB looking for modes to add to @connector. This function
4724 * also adds the stereo 3d modes when applicable.
4727 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len)
4729 int modes = 0, offset = 0, i, multi_present = 0, multi_len;
4730 u8 vic_len, hdmi_3d_len = 0;
4737 /* no HDMI_Video_Present */
4738 if (!(db[8] & (1 << 5)))
4741 offset += hdmi_vsdb_latency_length(db);
4743 /* the declared length is not long enough for the 2 first bytes
4744 * of additional video format capabilities */
4745 if (len < (8 + offset + 2))
4750 if (db[8 + offset] & (1 << 7)) {
4751 modes += add_hdmi_mandatory_stereo_modes(connector);
4753 /* 3D_Multi_present */
4754 multi_present = (db[8 + offset] & 0x60) >> 5;
4758 vic_len = db[8 + offset] >> 5;
4759 hdmi_3d_len = db[8 + offset] & 0x1f;
4761 for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
4764 vic = db[9 + offset + i];
4765 modes += add_hdmi_mode(connector, vic);
4767 offset += 1 + vic_len;
4769 if (multi_present == 1)
4771 else if (multi_present == 2)
4776 if (len < (8 + offset + hdmi_3d_len - 1))
4779 if (hdmi_3d_len < multi_len)
4782 if (multi_present == 1 || multi_present == 2) {
4783 /* 3D_Structure_ALL */
4784 structure_all = (db[8 + offset] << 8) | db[9 + offset];
4786 /* check if 3D_MASK is present */
4787 if (multi_present == 2)
4788 mask = (db[10 + offset] << 8) | db[11 + offset];
4792 for (i = 0; i < 16; i++) {
4793 if (mask & (1 << i))
4794 modes += add_3d_struct_modes(connector,
4799 offset += multi_len;
4801 for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
4803 struct drm_display_mode *newmode = NULL;
4804 unsigned int newflag = 0;
4805 bool detail_present;
4807 detail_present = ((db[8 + offset + i] & 0x0f) > 7);
4809 if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
4812 /* 2D_VIC_order_X */
4813 vic_index = db[8 + offset + i] >> 4;
4815 /* 3D_Structure_X */
4816 switch (db[8 + offset + i] & 0x0f) {
4818 newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
4821 newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
4825 if ((db[9 + offset + i] >> 4) == 1)
4826 newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
4831 newmode = drm_display_mode_from_vic_index(connector,
4835 newmode->flags |= newflag;
4836 drm_mode_probed_add(connector, newmode);
4850 cea_revision(const u8 *cea)
4853 * FIXME is this correct for the DispID variant?
4854 * The DispID spec doesn't really specify whether
4855 * this is the revision of the CEA extension or
4856 * the DispID CEA data block. And the only value
4857 * given as an example is 0.
4863 * CTA Data Block iterator.
4865 * Iterate through all CTA Data Blocks in both EDID CTA Extensions and DisplayID
4868 * struct cea_db *db:
4869 * struct cea_db_iter iter;
4871 * cea_db_iter_edid_begin(edid, &iter);
4872 * cea_db_iter_for_each(db, &iter) {
4873 * // do stuff with db
4875 * cea_db_iter_end(&iter);
4877 struct cea_db_iter {
4878 struct drm_edid_iter edid_iter;
4879 struct displayid_iter displayid_iter;
4881 /* Current Data Block Collection. */
4882 const u8 *collection;
4884 /* Current Data Block index in current collection. */
4887 /* End index in current collection. */
4891 /* CTA-861-H section 7.4 CTA Data BLock Collection */
4897 static int cea_db_tag(const struct cea_db *db)
4899 return db->tag_length >> 5;
4902 static int cea_db_payload_len(const void *_db)
4904 /* FIXME: Transition to passing struct cea_db * everywhere. */
4905 const struct cea_db *db = _db;
4907 return db->tag_length & 0x1f;
4910 static const void *cea_db_data(const struct cea_db *db)
4915 static bool cea_db_is_extended_tag(const struct cea_db *db, int tag)
4917 return cea_db_tag(db) == CTA_DB_EXTENDED_TAG &&
4918 cea_db_payload_len(db) >= 1 &&
4922 static bool cea_db_is_vendor(const struct cea_db *db, int vendor_oui)
4924 const u8 *data = cea_db_data(db);
4926 return cea_db_tag(db) == CTA_DB_VENDOR &&
4927 cea_db_payload_len(db) >= 3 &&
4928 oui(data[2], data[1], data[0]) == vendor_oui;
4931 static void cea_db_iter_edid_begin(const struct drm_edid *drm_edid,
4932 struct cea_db_iter *iter)
4934 memset(iter, 0, sizeof(*iter));
4936 drm_edid_iter_begin(drm_edid, &iter->edid_iter);
4937 displayid_iter_edid_begin(drm_edid, &iter->displayid_iter);
4940 static const struct cea_db *
4941 __cea_db_iter_current_block(const struct cea_db_iter *iter)
4943 const struct cea_db *db;
4945 if (!iter->collection)
4948 db = (const struct cea_db *)&iter->collection[iter->index];
4950 if (iter->index + sizeof(*db) <= iter->end &&
4951 iter->index + sizeof(*db) + cea_db_payload_len(db) <= iter->end)
4959 * - CTA-861-H section 7.3.3 CTA Extension Version 3
4961 static int cea_db_collection_size(const u8 *cta)
4965 if (d < 4 || d > 127)
4973 * - VESA E-EDID v1.4
4974 * - CTA-861-H section 7.3.3 CTA Extension Version 3
4976 static const void *__cea_db_iter_edid_next(struct cea_db_iter *iter)
4980 drm_edid_iter_for_each(ext, &iter->edid_iter) {
4983 /* Only support CTA Extension revision 3+ */
4984 if (ext[0] != CEA_EXT || cea_revision(ext) < 3)
4987 size = cea_db_collection_size(ext);
4992 iter->end = iter->index + size;
5002 * - DisplayID v1.3 Appendix C: CEA Data Block within a DisplayID Data Block
5003 * - DisplayID v2.0 section 4.10 CTA DisplayID Data Block
5005 * Note that the above do not specify any connection between DisplayID Data
5006 * Block revision and CTA Extension versions.
5008 static const void *__cea_db_iter_displayid_next(struct cea_db_iter *iter)
5010 const struct displayid_block *block;
5012 displayid_iter_for_each(block, &iter->displayid_iter) {
5013 if (block->tag != DATA_BLOCK_CTA)
5017 * The displayid iterator has already verified the block bounds
5018 * in displayid_iter_block().
5020 iter->index = sizeof(*block);
5021 iter->end = iter->index + block->num_bytes;
5029 static const struct cea_db *__cea_db_iter_next(struct cea_db_iter *iter)
5031 const struct cea_db *db;
5033 if (iter->collection) {
5034 /* Current collection should always be valid. */
5035 db = __cea_db_iter_current_block(iter);
5037 iter->collection = NULL;
5041 /* Next block in CTA Data Block Collection */
5042 iter->index += sizeof(*db) + cea_db_payload_len(db);
5044 db = __cea_db_iter_current_block(iter);
5051 * Find the next CTA Data Block Collection. First iterate all
5052 * the EDID CTA Extensions, then all the DisplayID CTA blocks.
5054 * Per DisplayID v1.3 Appendix B: DisplayID as an EDID
5055 * Extension, it's recommended that DisplayID extensions are
5056 * exposed after all of the CTA Extensions.
5058 iter->collection = __cea_db_iter_edid_next(iter);
5059 if (!iter->collection)
5060 iter->collection = __cea_db_iter_displayid_next(iter);
5062 if (!iter->collection)
5065 db = __cea_db_iter_current_block(iter);
5071 #define cea_db_iter_for_each(__db, __iter) \
5072 while (((__db) = __cea_db_iter_next(__iter)))
5074 static void cea_db_iter_end(struct cea_db_iter *iter)
5076 displayid_iter_end(&iter->displayid_iter);
5077 drm_edid_iter_end(&iter->edid_iter);
5079 memset(iter, 0, sizeof(*iter));
5082 static bool cea_db_is_hdmi_vsdb(const struct cea_db *db)
5084 return cea_db_is_vendor(db, HDMI_IEEE_OUI) &&
5085 cea_db_payload_len(db) >= 5;
5088 static bool cea_db_is_hdmi_forum_vsdb(const struct cea_db *db)
5090 return cea_db_is_vendor(db, HDMI_FORUM_IEEE_OUI) &&
5091 cea_db_payload_len(db) >= 7;
5094 static bool cea_db_is_hdmi_forum_eeodb(const void *db)
5096 return cea_db_is_extended_tag(db, CTA_EXT_DB_HF_EEODB) &&
5097 cea_db_payload_len(db) >= 2;
5100 static bool cea_db_is_microsoft_vsdb(const struct cea_db *db)
5102 return cea_db_is_vendor(db, MICROSOFT_IEEE_OUI) &&
5103 cea_db_payload_len(db) == 21;
5106 static bool cea_db_is_vcdb(const struct cea_db *db)
5108 return cea_db_is_extended_tag(db, CTA_EXT_DB_VIDEO_CAP) &&
5109 cea_db_payload_len(db) == 2;
5112 static bool cea_db_is_hdmi_forum_scdb(const struct cea_db *db)
5114 return cea_db_is_extended_tag(db, CTA_EXT_DB_HF_SCDB) &&
5115 cea_db_payload_len(db) >= 7;
5118 static bool cea_db_is_y420cmdb(const struct cea_db *db)
5120 return cea_db_is_extended_tag(db, CTA_EXT_DB_420_VIDEO_CAP_MAP);
5123 static bool cea_db_is_y420vdb(const struct cea_db *db)
5125 return cea_db_is_extended_tag(db, CTA_EXT_DB_420_VIDEO_DATA);
5128 static bool cea_db_is_hdmi_hdr_metadata_block(const struct cea_db *db)
5130 return cea_db_is_extended_tag(db, CTA_EXT_DB_HDR_STATIC_METADATA) &&
5131 cea_db_payload_len(db) >= 3;
5135 * Get the HF-EEODB override extension block count from EDID.
5137 * The passed in EDID may be partially read, as long as it has at least two
5138 * blocks (base block and one extension block) if EDID extension count is > 0.
5140 * Note that this is *not* how you should parse CTA Data Blocks in general; this
5141 * is only to handle partially read EDIDs. Normally, use the CTA Data Block
5142 * iterators instead.
5145 * - HDMI 2.1 section 10.3.6 HDMI Forum EDID Extension Override Data Block
5147 static int edid_hfeeodb_extension_block_count(const struct edid *edid)
5151 /* No extensions according to base block, no HF-EEODB. */
5152 if (!edid_extension_block_count(edid))
5155 /* HF-EEODB is always in the first EDID extension block only */
5156 cta = edid_extension_block_data(edid, 0);
5157 if (edid_block_tag(cta) != CEA_EXT || cea_revision(cta) < 3)
5160 /* Need to have the data block collection, and at least 3 bytes. */
5161 if (cea_db_collection_size(cta) < 3)
5165 * Sinks that include the HF-EEODB in their E-EDID shall include one and
5166 * only one instance of the HF-EEODB in the E-EDID, occupying bytes 4
5167 * through 6 of Block 1 of the E-EDID.
5169 if (!cea_db_is_hdmi_forum_eeodb(&cta[4]))
5176 * CTA-861 YCbCr 4:2:0 Capability Map Data Block (CTA Y420CMDB)
5178 * Y420CMDB contains a bitmap which gives the index of CTA modes from CTA VDB,
5179 * which can support YCBCR 420 sampling output also (apart from RGB/YCBCR444
5180 * etc). For example, if the bit 0 in bitmap is set, first mode in VDB can
5181 * support YCBCR420 output too.
5183 static void parse_cta_y420cmdb(struct drm_connector *connector,
5184 const struct cea_db *db, u64 *y420cmdb_map)
5186 struct drm_display_info *info = &connector->display_info;
5187 int i, map_len = cea_db_payload_len(db) - 1;
5188 const u8 *data = cea_db_data(db) + 1;
5192 /* All CEA modes support ycbcr420 sampling also.*/
5198 * This map indicates which of the existing CEA block modes
5199 * from VDB can support YCBCR420 output too. So if bit=0 is
5200 * set, first mode from VDB can support YCBCR420 output too.
5201 * We will parse and keep this map, before parsing VDB itself
5202 * to avoid going through the same block again and again.
5204 * Spec is not clear about max possible size of this block.
5205 * Clamping max bitmap block size at 8 bytes. Every byte can
5206 * address 8 CEA modes, in this way this map can address
5207 * 8*8 = first 64 SVDs.
5209 if (WARN_ON_ONCE(map_len > 8))
5212 for (i = 0; i < map_len; i++)
5213 map |= (u64)data[i] << (8 * i);
5217 info->color_formats |= DRM_COLOR_FORMAT_YCBCR420;
5219 *y420cmdb_map = map;
5222 static int add_cea_modes(struct drm_connector *connector,
5223 const struct drm_edid *drm_edid)
5225 const struct cea_db *db;
5226 struct cea_db_iter iter;
5229 /* CTA VDB block VICs parsed earlier */
5230 modes = add_cta_vdb_modes(connector);
5232 cea_db_iter_edid_begin(drm_edid, &iter);
5233 cea_db_iter_for_each(db, &iter) {
5234 if (cea_db_is_hdmi_vsdb(db)) {
5235 modes += do_hdmi_vsdb_modes(connector, (const u8 *)db,
5236 cea_db_payload_len(db));
5237 } else if (cea_db_is_y420vdb(db)) {
5238 const u8 *vdb420 = cea_db_data(db) + 1;
5240 /* Add 4:2:0(only) modes present in EDID */
5241 modes += do_y420vdb_modes(connector, vdb420,
5242 cea_db_payload_len(db) - 1);
5245 cea_db_iter_end(&iter);
5250 static void fixup_detailed_cea_mode_clock(struct drm_connector *connector,
5251 struct drm_display_mode *mode)
5253 const struct drm_display_mode *cea_mode;
5254 int clock1, clock2, clock;
5259 * allow 5kHz clock difference either way to account for
5260 * the 10kHz clock resolution limit of detailed timings.
5262 vic = drm_match_cea_mode_clock_tolerance(mode, 5);
5263 if (drm_valid_cea_vic(vic)) {
5265 cea_mode = cea_mode_for_vic(vic);
5266 clock1 = cea_mode->clock;
5267 clock2 = cea_mode_alternate_clock(cea_mode);
5269 vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
5270 if (drm_valid_hdmi_vic(vic)) {
5272 cea_mode = &edid_4k_modes[vic];
5273 clock1 = cea_mode->clock;
5274 clock2 = hdmi_mode_alternate_clock(cea_mode);
5280 /* pick whichever is closest */
5281 if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
5286 if (mode->clock == clock)
5289 drm_dbg_kms(connector->dev,
5290 "[CONNECTOR:%d:%s] detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
5291 connector->base.id, connector->name,
5292 type, vic, mode->clock, clock);
5293 mode->clock = clock;
5296 static void drm_calculate_luminance_range(struct drm_connector *connector)
5298 struct hdr_static_metadata *hdr_metadata = &connector->hdr_sink_metadata.hdmi_type1;
5299 struct drm_luminance_range_info *luminance_range =
5300 &connector->display_info.luminance_range;
5301 static const u8 pre_computed_values[] = {
5302 50, 51, 52, 53, 55, 56, 57, 58, 59, 61, 62, 63, 65, 66, 68, 69,
5303 71, 72, 74, 75, 77, 79, 81, 82, 84, 86, 88, 90, 92, 94, 96, 98
5305 u32 max_avg, min_cll, max, min, q, r;
5307 if (!(hdr_metadata->metadata_type & BIT(HDMI_STATIC_METADATA_TYPE1)))
5310 max_avg = hdr_metadata->max_fall;
5311 min_cll = hdr_metadata->min_cll;
5314 * From the specification (CTA-861-G), for calculating the maximum
5315 * luminance we need to use:
5316 * Luminance = 50*2**(CV/32)
5317 * Where CV is a one-byte value.
5318 * For calculating this expression we may need float point precision;
5319 * to avoid this complexity level, we take advantage that CV is divided
5320 * by a constant. From the Euclids division algorithm, we know that CV
5321 * can be written as: CV = 32*q + r. Next, we replace CV in the
5322 * Luminance expression and get 50*(2**q)*(2**(r/32)), hence we just
5323 * need to pre-compute the value of r/32. For pre-computing the values
5324 * We just used the following Ruby line:
5325 * (0...32).each {|cv| puts (50*2**(cv/32.0)).round}
5326 * The results of the above expressions can be verified at
5327 * pre_computed_values.
5331 max = (1 << q) * pre_computed_values[r];
5333 /* min luminance: maxLum * (CV/255)^2 / 100 */
5334 q = DIV_ROUND_CLOSEST(min_cll, 255);
5335 min = max * DIV_ROUND_CLOSEST((q * q), 100);
5337 luminance_range->min_luminance = min;
5338 luminance_range->max_luminance = max;
5341 static uint8_t eotf_supported(const u8 *edid_ext)
5343 return edid_ext[2] &
5344 (BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
5345 BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
5346 BIT(HDMI_EOTF_SMPTE_ST2084) |
5347 BIT(HDMI_EOTF_BT_2100_HLG));
5350 static uint8_t hdr_metadata_type(const u8 *edid_ext)
5352 return edid_ext[3] &
5353 BIT(HDMI_STATIC_METADATA_TYPE1);
5357 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
5361 len = cea_db_payload_len(db);
5363 connector->hdr_sink_metadata.hdmi_type1.eotf =
5365 connector->hdr_sink_metadata.hdmi_type1.metadata_type =
5366 hdr_metadata_type(db);
5369 connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
5371 connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
5373 connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
5375 /* Calculate only when all values are available */
5376 drm_calculate_luminance_range(connector);
5380 /* HDMI Vendor-Specific Data Block (HDMI VSDB, H14b-VSDB) */
5382 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
5384 u8 len = cea_db_payload_len(db);
5386 if (len >= 6 && (db[6] & (1 << 7)))
5387 connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
5389 if (len >= 10 && hdmi_vsdb_latency_present(db)) {
5390 connector->latency_present[0] = true;
5391 connector->video_latency[0] = db[9];
5392 connector->audio_latency[0] = db[10];
5395 if (len >= 12 && hdmi_vsdb_i_latency_present(db)) {
5396 connector->latency_present[1] = true;
5397 connector->video_latency[1] = db[11];
5398 connector->audio_latency[1] = db[12];
5401 drm_dbg_kms(connector->dev,
5402 "[CONNECTOR:%d:%s] HDMI: latency present %d %d, video latency %d %d, audio latency %d %d\n",
5403 connector->base.id, connector->name,
5404 connector->latency_present[0], connector->latency_present[1],
5405 connector->video_latency[0], connector->video_latency[1],
5406 connector->audio_latency[0], connector->audio_latency[1]);
5410 monitor_name(const struct detailed_timing *timing, void *data)
5412 const char **res = data;
5414 if (!is_display_descriptor(timing, EDID_DETAIL_MONITOR_NAME))
5417 *res = timing->data.other_data.data.str.str;
5420 static int get_monitor_name(const struct drm_edid *drm_edid, char name[13])
5422 const char *edid_name = NULL;
5425 if (!drm_edid || !name)
5428 drm_for_each_detailed_block(drm_edid, monitor_name, &edid_name);
5429 for (mnl = 0; edid_name && mnl < 13; mnl++) {
5430 if (edid_name[mnl] == 0x0a)
5433 name[mnl] = edid_name[mnl];
5440 * drm_edid_get_monitor_name - fetch the monitor name from the edid
5441 * @edid: monitor EDID information
5442 * @name: pointer to a character array to hold the name of the monitor
5443 * @bufsize: The size of the name buffer (should be at least 14 chars.)
5446 void drm_edid_get_monitor_name(const struct edid *edid, char *name, int bufsize)
5448 int name_length = 0;
5455 struct drm_edid drm_edid = {
5457 .size = edid_size(edid),
5460 name_length = min(get_monitor_name(&drm_edid, buf), bufsize - 1);
5461 memcpy(name, buf, name_length);
5464 name[name_length] = '\0';
5466 EXPORT_SYMBOL(drm_edid_get_monitor_name);
5468 static void clear_eld(struct drm_connector *connector)
5470 memset(connector->eld, 0, sizeof(connector->eld));
5472 connector->latency_present[0] = false;
5473 connector->latency_present[1] = false;
5474 connector->video_latency[0] = 0;
5475 connector->audio_latency[0] = 0;
5476 connector->video_latency[1] = 0;
5477 connector->audio_latency[1] = 0;
5481 * drm_edid_to_eld - build ELD from EDID
5482 * @connector: connector corresponding to the HDMI/DP sink
5483 * @drm_edid: EDID to parse
5485 * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
5486 * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
5488 static void drm_edid_to_eld(struct drm_connector *connector,
5489 const struct drm_edid *drm_edid)
5491 const struct drm_display_info *info = &connector->display_info;
5492 const struct cea_db *db;
5493 struct cea_db_iter iter;
5494 uint8_t *eld = connector->eld;
5495 int total_sad_count = 0;
5501 mnl = get_monitor_name(drm_edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
5502 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] ELD monitor %s\n",
5503 connector->base.id, connector->name,
5504 &eld[DRM_ELD_MONITOR_NAME_STRING]);
5506 eld[DRM_ELD_CEA_EDID_VER_MNL] = info->cea_rev << DRM_ELD_CEA_EDID_VER_SHIFT;
5507 eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
5509 eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
5511 eld[DRM_ELD_MANUFACTURER_NAME0] = drm_edid->edid->mfg_id[0];
5512 eld[DRM_ELD_MANUFACTURER_NAME1] = drm_edid->edid->mfg_id[1];
5513 eld[DRM_ELD_PRODUCT_CODE0] = drm_edid->edid->prod_code[0];
5514 eld[DRM_ELD_PRODUCT_CODE1] = drm_edid->edid->prod_code[1];
5516 cea_db_iter_edid_begin(drm_edid, &iter);
5517 cea_db_iter_for_each(db, &iter) {
5518 const u8 *data = cea_db_data(db);
5519 int len = cea_db_payload_len(db);
5522 switch (cea_db_tag(db)) {
5524 /* Audio Data Block, contains SADs */
5525 sad_count = min(len / 3, 15 - total_sad_count);
5527 memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
5528 data, sad_count * 3);
5529 total_sad_count += sad_count;
5531 case CTA_DB_SPEAKER:
5532 /* Speaker Allocation Data Block */
5534 eld[DRM_ELD_SPEAKER] = data[0];
5537 /* HDMI Vendor-Specific Data Block */
5538 if (cea_db_is_hdmi_vsdb(db))
5539 drm_parse_hdmi_vsdb_audio(connector, (const u8 *)db);
5545 cea_db_iter_end(&iter);
5547 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
5549 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
5550 connector->connector_type == DRM_MODE_CONNECTOR_eDP)
5551 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
5553 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
5555 eld[DRM_ELD_BASELINE_ELD_LEN] =
5556 DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
5558 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] ELD size %d, SAD count %d\n",
5559 connector->base.id, connector->name,
5560 drm_eld_size(eld), total_sad_count);
5563 static int _drm_edid_to_sad(const struct drm_edid *drm_edid,
5564 struct cea_sad **sads)
5566 const struct cea_db *db;
5567 struct cea_db_iter iter;
5570 cea_db_iter_edid_begin(drm_edid, &iter);
5571 cea_db_iter_for_each(db, &iter) {
5572 if (cea_db_tag(db) == CTA_DB_AUDIO) {
5575 count = cea_db_payload_len(db) / 3; /* SAD is 3B */
5576 *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
5579 for (j = 0; j < count; j++) {
5580 const u8 *sad = &db->data[j * 3];
5582 (*sads)[j].format = (sad[0] & 0x78) >> 3;
5583 (*sads)[j].channels = sad[0] & 0x7;
5584 (*sads)[j].freq = sad[1] & 0x7F;
5585 (*sads)[j].byte2 = sad[2];
5590 cea_db_iter_end(&iter);
5592 DRM_DEBUG_KMS("Found %d Short Audio Descriptors\n", count);
5598 * drm_edid_to_sad - extracts SADs from EDID
5599 * @edid: EDID to parse
5600 * @sads: pointer that will be set to the extracted SADs
5602 * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
5604 * Note: The returned pointer needs to be freed using kfree().
5606 * Return: The number of found SADs or negative number on error.
5608 int drm_edid_to_sad(const struct edid *edid, struct cea_sad **sads)
5610 struct drm_edid drm_edid;
5612 return _drm_edid_to_sad(drm_edid_legacy_init(&drm_edid, edid), sads);
5614 EXPORT_SYMBOL(drm_edid_to_sad);
5616 static int _drm_edid_to_speaker_allocation(const struct drm_edid *drm_edid,
5619 const struct cea_db *db;
5620 struct cea_db_iter iter;
5623 cea_db_iter_edid_begin(drm_edid, &iter);
5624 cea_db_iter_for_each(db, &iter) {
5625 if (cea_db_tag(db) == CTA_DB_SPEAKER &&
5626 cea_db_payload_len(db) == 3) {
5627 *sadb = kmemdup(db->data, cea_db_payload_len(db),
5631 count = cea_db_payload_len(db);
5635 cea_db_iter_end(&iter);
5637 DRM_DEBUG_KMS("Found %d Speaker Allocation Data Blocks\n", count);
5643 * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
5644 * @edid: EDID to parse
5645 * @sadb: pointer to the speaker block
5647 * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
5649 * Note: The returned pointer needs to be freed using kfree().
5651 * Return: The number of found Speaker Allocation Blocks or negative number on
5654 int drm_edid_to_speaker_allocation(const struct edid *edid, u8 **sadb)
5656 struct drm_edid drm_edid;
5658 return _drm_edid_to_speaker_allocation(drm_edid_legacy_init(&drm_edid, edid),
5661 EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
5664 * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
5665 * @connector: connector associated with the HDMI/DP sink
5666 * @mode: the display mode
5668 * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
5669 * the sink doesn't support audio or video.
5671 int drm_av_sync_delay(struct drm_connector *connector,
5672 const struct drm_display_mode *mode)
5674 int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
5677 if (!connector->latency_present[0])
5679 if (!connector->latency_present[1])
5682 a = connector->audio_latency[i];
5683 v = connector->video_latency[i];
5686 * HDMI/DP sink doesn't support audio or video?
5688 if (a == 255 || v == 255)
5692 * Convert raw EDID values to millisecond.
5693 * Treat unknown latency as 0ms.
5696 a = min(2 * (a - 1), 500);
5698 v = min(2 * (v - 1), 500);
5700 return max(v - a, 0);
5702 EXPORT_SYMBOL(drm_av_sync_delay);
5704 static bool _drm_detect_hdmi_monitor(const struct drm_edid *drm_edid)
5706 const struct cea_db *db;
5707 struct cea_db_iter iter;
5711 * Because HDMI identifier is in Vendor Specific Block,
5712 * search it from all data blocks of CEA extension.
5714 cea_db_iter_edid_begin(drm_edid, &iter);
5715 cea_db_iter_for_each(db, &iter) {
5716 if (cea_db_is_hdmi_vsdb(db)) {
5721 cea_db_iter_end(&iter);
5727 * drm_detect_hdmi_monitor - detect whether monitor is HDMI
5728 * @edid: monitor EDID information
5730 * Parse the CEA extension according to CEA-861-B.
5732 * Drivers that have added the modes parsed from EDID to drm_display_info
5733 * should use &drm_display_info.is_hdmi instead of calling this function.
5735 * Return: True if the monitor is HDMI, false if not or unknown.
5737 bool drm_detect_hdmi_monitor(const struct edid *edid)
5739 struct drm_edid drm_edid;
5741 return _drm_detect_hdmi_monitor(drm_edid_legacy_init(&drm_edid, edid));
5743 EXPORT_SYMBOL(drm_detect_hdmi_monitor);
5745 static bool _drm_detect_monitor_audio(const struct drm_edid *drm_edid)
5747 struct drm_edid_iter edid_iter;
5748 const struct cea_db *db;
5749 struct cea_db_iter iter;
5751 bool has_audio = false;
5753 drm_edid_iter_begin(drm_edid, &edid_iter);
5754 drm_edid_iter_for_each(edid_ext, &edid_iter) {
5755 if (edid_ext[0] == CEA_EXT) {
5756 has_audio = edid_ext[3] & EDID_BASIC_AUDIO;
5761 drm_edid_iter_end(&edid_iter);
5764 DRM_DEBUG_KMS("Monitor has basic audio support\n");
5768 cea_db_iter_edid_begin(drm_edid, &iter);
5769 cea_db_iter_for_each(db, &iter) {
5770 if (cea_db_tag(db) == CTA_DB_AUDIO) {
5771 const u8 *data = cea_db_data(db);
5774 for (i = 0; i < cea_db_payload_len(db); i += 3)
5775 DRM_DEBUG_KMS("CEA audio format %d\n",
5776 (data[i] >> 3) & 0xf);
5781 cea_db_iter_end(&iter);
5788 * drm_detect_monitor_audio - check monitor audio capability
5789 * @edid: EDID block to scan
5791 * Monitor should have CEA extension block.
5792 * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
5793 * audio' only. If there is any audio extension block and supported
5794 * audio format, assume at least 'basic audio' support, even if 'basic
5795 * audio' is not defined in EDID.
5797 * Return: True if the monitor supports audio, false otherwise.
5799 bool drm_detect_monitor_audio(const struct edid *edid)
5801 struct drm_edid drm_edid;
5803 return _drm_detect_monitor_audio(drm_edid_legacy_init(&drm_edid, edid));
5805 EXPORT_SYMBOL(drm_detect_monitor_audio);
5809 * drm_default_rgb_quant_range - default RGB quantization range
5810 * @mode: display mode
5812 * Determine the default RGB quantization range for the mode,
5813 * as specified in CEA-861.
5815 * Return: The default RGB quantization range for the mode
5817 enum hdmi_quantization_range
5818 drm_default_rgb_quant_range(const struct drm_display_mode *mode)
5820 /* All CEA modes other than VIC 1 use limited quantization range. */
5821 return drm_match_cea_mode(mode) > 1 ?
5822 HDMI_QUANTIZATION_RANGE_LIMITED :
5823 HDMI_QUANTIZATION_RANGE_FULL;
5825 EXPORT_SYMBOL(drm_default_rgb_quant_range);
5827 /* CTA-861 Video Data Block (CTA VDB) */
5828 static void parse_cta_vdb(struct drm_connector *connector, const struct cea_db *db)
5830 struct drm_display_info *info = &connector->display_info;
5831 int i, vic_index, len = cea_db_payload_len(db);
5832 const u8 *svds = cea_db_data(db);
5838 /* Gracefully handle multiple VDBs, however unlikely that is */
5839 vics = krealloc(info->vics, info->vics_len + len, GFP_KERNEL);
5843 vic_index = info->vics_len;
5844 info->vics_len += len;
5847 for (i = 0; i < len; i++) {
5848 u8 vic = svd_to_vic(svds[i]);
5850 if (!drm_valid_cea_vic(vic))
5853 info->vics[vic_index++] = vic;
5858 * Update y420_cmdb_modes based on previously parsed CTA VDB and Y420CMDB.
5860 * Translate the y420cmdb_map based on VIC indexes to y420_cmdb_modes indexed
5861 * using the VICs themselves.
5863 static void update_cta_y420cmdb(struct drm_connector *connector, u64 y420cmdb_map)
5865 struct drm_display_info *info = &connector->display_info;
5866 struct drm_hdmi_info *hdmi = &info->hdmi;
5867 int i, len = min_t(int, info->vics_len, BITS_PER_TYPE(y420cmdb_map));
5869 for (i = 0; i < len; i++) {
5870 u8 vic = info->vics[i];
5872 if (vic && y420cmdb_map & BIT_ULL(i))
5873 bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
5877 static bool cta_vdb_has_vic(const struct drm_connector *connector, u8 vic)
5879 const struct drm_display_info *info = &connector->display_info;
5882 if (!vic || !info->vics)
5885 for (i = 0; i < info->vics_len; i++) {
5886 if (info->vics[i] == vic)
5893 /* CTA-861-H YCbCr 4:2:0 Video Data Block (CTA Y420VDB) */
5894 static void parse_cta_y420vdb(struct drm_connector *connector,
5895 const struct cea_db *db)
5897 struct drm_display_info *info = &connector->display_info;
5898 struct drm_hdmi_info *hdmi = &info->hdmi;
5899 const u8 *svds = cea_db_data(db) + 1;
5902 for (i = 0; i < cea_db_payload_len(db) - 1; i++) {
5903 u8 vic = svd_to_vic(svds[i]);
5905 if (!drm_valid_cea_vic(vic))
5908 bitmap_set(hdmi->y420_vdb_modes, vic, 1);
5909 info->color_formats |= DRM_COLOR_FORMAT_YCBCR420;
5913 static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
5915 struct drm_display_info *info = &connector->display_info;
5917 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] CEA VCDB 0x%02x\n",
5918 connector->base.id, connector->name, db[2]);
5920 if (db[2] & EDID_CEA_VCDB_QS)
5921 info->rgb_quant_range_selectable = true;
5925 void drm_get_max_frl_rate(int max_frl_rate, u8 *max_lanes, u8 *max_rate_per_lane)
5927 switch (max_frl_rate) {
5930 *max_rate_per_lane = 3;
5934 *max_rate_per_lane = 6;
5938 *max_rate_per_lane = 6;
5942 *max_rate_per_lane = 8;
5946 *max_rate_per_lane = 10;
5950 *max_rate_per_lane = 12;
5955 *max_rate_per_lane = 0;
5959 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
5963 struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
5965 dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
5966 hdmi->y420_dc_modes = dc_mask;
5969 static void drm_parse_dsc_info(struct drm_hdmi_dsc_cap *hdmi_dsc,
5972 hdmi_dsc->v_1p2 = hf_scds[11] & DRM_EDID_DSC_1P2;
5974 if (!hdmi_dsc->v_1p2)
5977 hdmi_dsc->native_420 = hf_scds[11] & DRM_EDID_DSC_NATIVE_420;
5978 hdmi_dsc->all_bpp = hf_scds[11] & DRM_EDID_DSC_ALL_BPP;
5980 if (hf_scds[11] & DRM_EDID_DSC_16BPC)
5981 hdmi_dsc->bpc_supported = 16;
5982 else if (hf_scds[11] & DRM_EDID_DSC_12BPC)
5983 hdmi_dsc->bpc_supported = 12;
5984 else if (hf_scds[11] & DRM_EDID_DSC_10BPC)
5985 hdmi_dsc->bpc_supported = 10;
5987 /* Supports min 8 BPC if DSC 1.2 is supported*/
5988 hdmi_dsc->bpc_supported = 8;
5990 if (cea_db_payload_len(hf_scds) >= 12 && hf_scds[12]) {
5992 u8 dsc_max_frl_rate;
5994 dsc_max_frl_rate = (hf_scds[12] & DRM_EDID_DSC_MAX_FRL_RATE_MASK) >> 4;
5995 drm_get_max_frl_rate(dsc_max_frl_rate, &hdmi_dsc->max_lanes,
5996 &hdmi_dsc->max_frl_rate_per_lane);
5998 dsc_max_slices = hf_scds[12] & DRM_EDID_DSC_MAX_SLICES;
6000 switch (dsc_max_slices) {
6002 hdmi_dsc->max_slices = 1;
6003 hdmi_dsc->clk_per_slice = 340;
6006 hdmi_dsc->max_slices = 2;
6007 hdmi_dsc->clk_per_slice = 340;
6010 hdmi_dsc->max_slices = 4;
6011 hdmi_dsc->clk_per_slice = 340;
6014 hdmi_dsc->max_slices = 8;
6015 hdmi_dsc->clk_per_slice = 340;
6018 hdmi_dsc->max_slices = 8;
6019 hdmi_dsc->clk_per_slice = 400;
6022 hdmi_dsc->max_slices = 12;
6023 hdmi_dsc->clk_per_slice = 400;
6026 hdmi_dsc->max_slices = 16;
6027 hdmi_dsc->clk_per_slice = 400;
6031 hdmi_dsc->max_slices = 0;
6032 hdmi_dsc->clk_per_slice = 0;
6036 if (cea_db_payload_len(hf_scds) >= 13 && hf_scds[13])
6037 hdmi_dsc->total_chunk_kbytes = hf_scds[13] & DRM_EDID_DSC_TOTAL_CHUNK_KBYTES;
6040 /* Sink Capability Data Structure */
6041 static void drm_parse_hdmi_forum_scds(struct drm_connector *connector,
6044 struct drm_display_info *info = &connector->display_info;
6045 struct drm_hdmi_info *hdmi = &info->hdmi;
6046 struct drm_hdmi_dsc_cap *hdmi_dsc = &hdmi->dsc_cap;
6047 int max_tmds_clock = 0;
6048 u8 max_frl_rate = 0;
6049 bool dsc_support = false;
6051 info->has_hdmi_infoframe = true;
6053 if (hf_scds[6] & 0x80) {
6054 hdmi->scdc.supported = true;
6055 if (hf_scds[6] & 0x40)
6056 hdmi->scdc.read_request = true;
6060 * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
6061 * And as per the spec, three factors confirm this:
6062 * * Availability of a HF-VSDB block in EDID (check)
6063 * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
6064 * * SCDC support available (let's check)
6065 * Lets check it out.
6069 struct drm_scdc *scdc = &hdmi->scdc;
6071 /* max clock is 5000 KHz times block value */
6072 max_tmds_clock = hf_scds[5] * 5000;
6074 if (max_tmds_clock > 340000) {
6075 info->max_tmds_clock = max_tmds_clock;
6078 if (scdc->supported) {
6079 scdc->scrambling.supported = true;
6081 /* Few sinks support scrambling for clocks < 340M */
6082 if ((hf_scds[6] & 0x8))
6083 scdc->scrambling.low_rates = true;
6088 max_frl_rate = (hf_scds[7] & DRM_EDID_MAX_FRL_RATE_MASK) >> 4;
6089 drm_get_max_frl_rate(max_frl_rate, &hdmi->max_lanes,
6090 &hdmi->max_frl_rate_per_lane);
6093 drm_parse_ycbcr420_deep_color_info(connector, hf_scds);
6095 if (cea_db_payload_len(hf_scds) >= 11 && hf_scds[11]) {
6096 drm_parse_dsc_info(hdmi_dsc, hf_scds);
6100 drm_dbg_kms(connector->dev,
6101 "[CONNECTOR:%d:%s] HF-VSDB: max TMDS clock: %d KHz, HDMI 2.1 support: %s, DSC 1.2 support: %s\n",
6102 connector->base.id, connector->name,
6103 max_tmds_clock, str_yes_no(max_frl_rate), str_yes_no(dsc_support));
6106 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
6109 struct drm_display_info *info = &connector->display_info;
6110 unsigned int dc_bpc = 0;
6112 /* HDMI supports at least 8 bpc */
6115 if (cea_db_payload_len(hdmi) < 6)
6118 if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
6120 info->edid_hdmi_rgb444_dc_modes |= DRM_EDID_HDMI_DC_30;
6121 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI sink does deep color 30.\n",
6122 connector->base.id, connector->name);
6125 if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
6127 info->edid_hdmi_rgb444_dc_modes |= DRM_EDID_HDMI_DC_36;
6128 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI sink does deep color 36.\n",
6129 connector->base.id, connector->name);
6132 if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
6134 info->edid_hdmi_rgb444_dc_modes |= DRM_EDID_HDMI_DC_48;
6135 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI sink does deep color 48.\n",
6136 connector->base.id, connector->name);
6140 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] No deep color support on this HDMI sink.\n",
6141 connector->base.id, connector->name);
6145 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] Assigning HDMI sink color depth as %d bpc.\n",
6146 connector->base.id, connector->name, dc_bpc);
6149 /* YCRCB444 is optional according to spec. */
6150 if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
6151 info->edid_hdmi_ycbcr444_dc_modes = info->edid_hdmi_rgb444_dc_modes;
6152 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI sink does YCRCB444 in deep color.\n",
6153 connector->base.id, connector->name);
6157 * Spec says that if any deep color mode is supported at all,
6158 * then deep color 36 bit must be supported.
6160 if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
6161 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI sink should do DC_36, but does not!\n",
6162 connector->base.id, connector->name);
6166 /* HDMI Vendor-Specific Data Block (HDMI VSDB, H14b-VSDB) */
6168 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
6170 struct drm_display_info *info = &connector->display_info;
6171 u8 len = cea_db_payload_len(db);
6173 info->is_hdmi = true;
6176 info->dvi_dual = db[6] & 1;
6178 info->max_tmds_clock = db[7] * 5000;
6181 * Try to infer whether the sink supports HDMI infoframes.
6183 * HDMI infoframe support was first added in HDMI 1.4. Assume the sink
6184 * supports infoframes if HDMI_Video_present is set.
6186 if (len >= 8 && db[8] & BIT(5))
6187 info->has_hdmi_infoframe = true;
6189 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI: DVI dual %d, max TMDS clock %d kHz\n",
6190 connector->base.id, connector->name,
6191 info->dvi_dual, info->max_tmds_clock);
6193 drm_parse_hdmi_deep_color_info(connector, db);
6197 * See EDID extension for head-mounted and specialized monitors, specified at:
6198 * https://docs.microsoft.com/en-us/windows-hardware/drivers/display/specialized-monitors-edid-extension
6200 static void drm_parse_microsoft_vsdb(struct drm_connector *connector,
6203 struct drm_display_info *info = &connector->display_info;
6205 bool desktop_usage = db[5] & BIT(6);
6207 /* Version 1 and 2 for HMDs, version 3 flags desktop usage explicitly */
6208 if (version == 1 || version == 2 || (version == 3 && !desktop_usage))
6209 info->non_desktop = true;
6211 drm_dbg_kms(connector->dev,
6212 "[CONNECTOR:%d:%s] HMD or specialized display VSDB version %u: 0x%02x\n",
6213 connector->base.id, connector->name, version, db[5]);
6216 static void drm_parse_cea_ext(struct drm_connector *connector,
6217 const struct drm_edid *drm_edid)
6219 struct drm_display_info *info = &connector->display_info;
6220 struct drm_edid_iter edid_iter;
6221 const struct cea_db *db;
6222 struct cea_db_iter iter;
6224 u64 y420cmdb_map = 0;
6226 drm_edid_iter_begin(drm_edid, &edid_iter);
6227 drm_edid_iter_for_each(edid_ext, &edid_iter) {
6228 if (edid_ext[0] != CEA_EXT)
6232 info->cea_rev = edid_ext[1];
6234 if (info->cea_rev != edid_ext[1])
6235 drm_dbg_kms(connector->dev,
6236 "[CONNECTOR:%d:%s] CEA extension version mismatch %u != %u\n",
6237 connector->base.id, connector->name,
6238 info->cea_rev, edid_ext[1]);
6240 /* The existence of a CTA extension should imply RGB support */
6241 info->color_formats = DRM_COLOR_FORMAT_RGB444;
6242 if (edid_ext[3] & EDID_CEA_YCRCB444)
6243 info->color_formats |= DRM_COLOR_FORMAT_YCBCR444;
6244 if (edid_ext[3] & EDID_CEA_YCRCB422)
6245 info->color_formats |= DRM_COLOR_FORMAT_YCBCR422;
6247 drm_edid_iter_end(&edid_iter);
6249 cea_db_iter_edid_begin(drm_edid, &iter);
6250 cea_db_iter_for_each(db, &iter) {
6251 /* FIXME: convert parsers to use struct cea_db */
6252 const u8 *data = (const u8 *)db;
6254 if (cea_db_is_hdmi_vsdb(db))
6255 drm_parse_hdmi_vsdb_video(connector, data);
6256 else if (cea_db_is_hdmi_forum_vsdb(db) ||
6257 cea_db_is_hdmi_forum_scdb(db))
6258 drm_parse_hdmi_forum_scds(connector, data);
6259 else if (cea_db_is_microsoft_vsdb(db))
6260 drm_parse_microsoft_vsdb(connector, data);
6261 else if (cea_db_is_y420cmdb(db))
6262 parse_cta_y420cmdb(connector, db, &y420cmdb_map);
6263 else if (cea_db_is_y420vdb(db))
6264 parse_cta_y420vdb(connector, db);
6265 else if (cea_db_is_vcdb(db))
6266 drm_parse_vcdb(connector, data);
6267 else if (cea_db_is_hdmi_hdr_metadata_block(db))
6268 drm_parse_hdr_metadata_block(connector, data);
6269 else if (cea_db_tag(db) == CTA_DB_VIDEO)
6270 parse_cta_vdb(connector, db);
6272 cea_db_iter_end(&iter);
6275 update_cta_y420cmdb(connector, y420cmdb_map);
6279 void get_monitor_range(const struct detailed_timing *timing, void *c)
6281 struct detailed_mode_closure *closure = c;
6282 struct drm_display_info *info = &closure->connector->display_info;
6283 struct drm_monitor_range_info *monitor_range = &info->monitor_range;
6284 const struct detailed_non_pixel *data = &timing->data.other_data;
6285 const struct detailed_data_monitor_range *range = &data->data.range;
6286 const struct edid *edid = closure->drm_edid->edid;
6288 if (!is_display_descriptor(timing, EDID_DETAIL_MONITOR_RANGE))
6292 * These limits are used to determine the VRR refresh
6293 * rate range. Only the "range limits only" variant
6294 * of the range descriptor seems to guarantee that
6295 * any and all timings are accepted by the sink, as
6296 * opposed to just timings conforming to the indicated
6297 * formula (GTF/GTF2/CVT). Thus other variants of the
6298 * range descriptor are not accepted here.
6300 if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
6303 monitor_range->min_vfreq = range->min_vfreq;
6304 monitor_range->max_vfreq = range->max_vfreq;
6306 if (edid->revision >= 4) {
6307 if (data->pad2 & DRM_EDID_RANGE_OFFSET_MIN_VFREQ)
6308 monitor_range->min_vfreq += 255;
6309 if (data->pad2 & DRM_EDID_RANGE_OFFSET_MAX_VFREQ)
6310 monitor_range->max_vfreq += 255;
6314 static void drm_get_monitor_range(struct drm_connector *connector,
6315 const struct drm_edid *drm_edid)
6317 const struct drm_display_info *info = &connector->display_info;
6318 struct detailed_mode_closure closure = {
6319 .connector = connector,
6320 .drm_edid = drm_edid,
6323 if (drm_edid->edid->revision < 4)
6326 if (!(drm_edid->edid->features & DRM_EDID_FEATURE_CONTINUOUS_FREQ))
6329 drm_for_each_detailed_block(drm_edid, get_monitor_range, &closure);
6331 drm_dbg_kms(connector->dev,
6332 "[CONNECTOR:%d:%s] Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
6333 connector->base.id, connector->name,
6334 info->monitor_range.min_vfreq, info->monitor_range.max_vfreq);
6337 static void drm_parse_vesa_mso_data(struct drm_connector *connector,
6338 const struct displayid_block *block)
6340 struct displayid_vesa_vendor_specific_block *vesa =
6341 (struct displayid_vesa_vendor_specific_block *)block;
6342 struct drm_display_info *info = &connector->display_info;
6344 if (block->num_bytes < 3) {
6345 drm_dbg_kms(connector->dev,
6346 "[CONNECTOR:%d:%s] Unexpected vendor block size %u\n",
6347 connector->base.id, connector->name, block->num_bytes);
6351 if (oui(vesa->oui[0], vesa->oui[1], vesa->oui[2]) != VESA_IEEE_OUI)
6354 if (sizeof(*vesa) != sizeof(*block) + block->num_bytes) {
6355 drm_dbg_kms(connector->dev,
6356 "[CONNECTOR:%d:%s] Unexpected VESA vendor block size\n",
6357 connector->base.id, connector->name);
6361 switch (FIELD_GET(DISPLAYID_VESA_MSO_MODE, vesa->mso)) {
6363 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] Reserved MSO mode value\n",
6364 connector->base.id, connector->name);
6367 info->mso_stream_count = 0;
6370 info->mso_stream_count = 2; /* 2 or 4 links */
6373 info->mso_stream_count = 4; /* 4 links */
6377 if (!info->mso_stream_count) {
6378 info->mso_pixel_overlap = 0;
6382 info->mso_pixel_overlap = FIELD_GET(DISPLAYID_VESA_MSO_OVERLAP, vesa->mso);
6383 if (info->mso_pixel_overlap > 8) {
6384 drm_dbg_kms(connector->dev,
6385 "[CONNECTOR:%d:%s] Reserved MSO pixel overlap value %u\n",
6386 connector->base.id, connector->name,
6387 info->mso_pixel_overlap);
6388 info->mso_pixel_overlap = 8;
6391 drm_dbg_kms(connector->dev,
6392 "[CONNECTOR:%d:%s] MSO stream count %u, pixel overlap %u\n",
6393 connector->base.id, connector->name,
6394 info->mso_stream_count, info->mso_pixel_overlap);
6397 static void drm_update_mso(struct drm_connector *connector,
6398 const struct drm_edid *drm_edid)
6400 const struct displayid_block *block;
6401 struct displayid_iter iter;
6403 displayid_iter_edid_begin(drm_edid, &iter);
6404 displayid_iter_for_each(block, &iter) {
6405 if (block->tag == DATA_BLOCK_2_VENDOR_SPECIFIC)
6406 drm_parse_vesa_mso_data(connector, block);
6408 displayid_iter_end(&iter);
6411 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
6412 * all of the values which would have been set from EDID
6414 static void drm_reset_display_info(struct drm_connector *connector)
6416 struct drm_display_info *info = &connector->display_info;
6419 info->height_mm = 0;
6422 info->color_formats = 0;
6424 info->max_tmds_clock = 0;
6425 info->dvi_dual = false;
6426 info->is_hdmi = false;
6427 info->has_hdmi_infoframe = false;
6428 info->rgb_quant_range_selectable = false;
6429 memset(&info->hdmi, 0, sizeof(info->hdmi));
6431 info->edid_hdmi_rgb444_dc_modes = 0;
6432 info->edid_hdmi_ycbcr444_dc_modes = 0;
6434 info->non_desktop = 0;
6435 memset(&info->monitor_range, 0, sizeof(info->monitor_range));
6436 memset(&info->luminance_range, 0, sizeof(info->luminance_range));
6438 info->mso_stream_count = 0;
6439 info->mso_pixel_overlap = 0;
6440 info->max_dsc_bpp = 0;
6449 static void update_displayid_info(struct drm_connector *connector,
6450 const struct drm_edid *drm_edid)
6452 struct drm_display_info *info = &connector->display_info;
6453 const struct displayid_block *block;
6454 struct displayid_iter iter;
6456 displayid_iter_edid_begin(drm_edid, &iter);
6457 displayid_iter_for_each(block, &iter) {
6458 if (displayid_version(&iter) == DISPLAY_ID_STRUCTURE_VER_20 &&
6459 (displayid_primary_use(&iter) == PRIMARY_USE_HEAD_MOUNTED_VR ||
6460 displayid_primary_use(&iter) == PRIMARY_USE_HEAD_MOUNTED_AR))
6461 info->non_desktop = true;
6464 * We're only interested in the base section here, no need to
6469 displayid_iter_end(&iter);
6472 static void update_display_info(struct drm_connector *connector,
6473 const struct drm_edid *drm_edid)
6475 struct drm_display_info *info = &connector->display_info;
6476 const struct edid *edid;
6478 drm_reset_display_info(connector);
6479 clear_eld(connector);
6484 edid = drm_edid->edid;
6486 info->quirks = edid_get_quirks(drm_edid);
6488 info->width_mm = edid->width_cm * 10;
6489 info->height_mm = edid->height_cm * 10;
6491 drm_get_monitor_range(connector, drm_edid);
6493 if (edid->revision < 3)
6496 if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
6499 info->color_formats |= DRM_COLOR_FORMAT_RGB444;
6500 drm_parse_cea_ext(connector, drm_edid);
6502 update_displayid_info(connector, drm_edid);
6505 * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
6507 * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
6508 * tells us to assume 8 bpc color depth if the EDID doesn't have
6509 * extensions which tell otherwise.
6511 if (info->bpc == 0 && edid->revision == 3 &&
6512 edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
6514 drm_dbg_kms(connector->dev,
6515 "[CONNECTOR:%d:%s] Assigning DFP sink color depth as %d bpc.\n",
6516 connector->base.id, connector->name, info->bpc);
6519 /* Only defined for 1.4 with digital displays */
6520 if (edid->revision < 4)
6523 switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
6524 case DRM_EDID_DIGITAL_DEPTH_6:
6527 case DRM_EDID_DIGITAL_DEPTH_8:
6530 case DRM_EDID_DIGITAL_DEPTH_10:
6533 case DRM_EDID_DIGITAL_DEPTH_12:
6536 case DRM_EDID_DIGITAL_DEPTH_14:
6539 case DRM_EDID_DIGITAL_DEPTH_16:
6542 case DRM_EDID_DIGITAL_DEPTH_UNDEF:
6548 drm_dbg_kms(connector->dev,
6549 "[CONNECTOR:%d:%s] Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
6550 connector->base.id, connector->name, info->bpc);
6552 if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
6553 info->color_formats |= DRM_COLOR_FORMAT_YCBCR444;
6554 if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
6555 info->color_formats |= DRM_COLOR_FORMAT_YCBCR422;
6557 drm_update_mso(connector, drm_edid);
6560 if (info->quirks & EDID_QUIRK_NON_DESKTOP) {
6561 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] Non-desktop display%s\n",
6562 connector->base.id, connector->name,
6563 info->non_desktop ? " (redundant quirk)" : "");
6564 info->non_desktop = true;
6567 if (info->quirks & EDID_QUIRK_CAP_DSC_15BPP)
6568 info->max_dsc_bpp = 15;
6570 if (info->quirks & EDID_QUIRK_FORCE_6BPC)
6573 if (info->quirks & EDID_QUIRK_FORCE_8BPC)
6576 if (info->quirks & EDID_QUIRK_FORCE_10BPC)
6579 if (info->quirks & EDID_QUIRK_FORCE_12BPC)
6582 /* Depends on info->cea_rev set by drm_parse_cea_ext() above */
6583 drm_edid_to_eld(connector, drm_edid);
6586 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
6587 struct displayid_detailed_timings_1 *timings,
6590 struct drm_display_mode *mode;
6591 unsigned pixel_clock = (timings->pixel_clock[0] |
6592 (timings->pixel_clock[1] << 8) |
6593 (timings->pixel_clock[2] << 16)) + 1;
6594 unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
6595 unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
6596 unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
6597 unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
6598 unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
6599 unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
6600 unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
6601 unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
6602 bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
6603 bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
6605 mode = drm_mode_create(dev);
6609 /* resolution is kHz for type VII, and 10 kHz for type I */
6610 mode->clock = type_7 ? pixel_clock : pixel_clock * 10;
6611 mode->hdisplay = hactive;
6612 mode->hsync_start = mode->hdisplay + hsync;
6613 mode->hsync_end = mode->hsync_start + hsync_width;
6614 mode->htotal = mode->hdisplay + hblank;
6616 mode->vdisplay = vactive;
6617 mode->vsync_start = mode->vdisplay + vsync;
6618 mode->vsync_end = mode->vsync_start + vsync_width;
6619 mode->vtotal = mode->vdisplay + vblank;
6622 mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
6623 mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
6624 mode->type = DRM_MODE_TYPE_DRIVER;
6626 if (timings->flags & 0x80)
6627 mode->type |= DRM_MODE_TYPE_PREFERRED;
6628 drm_mode_set_name(mode);
6633 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
6634 const struct displayid_block *block)
6636 struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
6639 struct drm_display_mode *newmode;
6641 bool type_7 = block->tag == DATA_BLOCK_2_TYPE_7_DETAILED_TIMING;
6642 /* blocks must be multiple of 20 bytes length */
6643 if (block->num_bytes % 20)
6646 num_timings = block->num_bytes / 20;
6647 for (i = 0; i < num_timings; i++) {
6648 struct displayid_detailed_timings_1 *timings = &det->timings[i];
6650 newmode = drm_mode_displayid_detailed(connector->dev, timings, type_7);
6654 drm_mode_probed_add(connector, newmode);
6660 static int add_displayid_detailed_modes(struct drm_connector *connector,
6661 const struct drm_edid *drm_edid)
6663 const struct displayid_block *block;
6664 struct displayid_iter iter;
6667 displayid_iter_edid_begin(drm_edid, &iter);
6668 displayid_iter_for_each(block, &iter) {
6669 if (block->tag == DATA_BLOCK_TYPE_1_DETAILED_TIMING ||
6670 block->tag == DATA_BLOCK_2_TYPE_7_DETAILED_TIMING)
6671 num_modes += add_displayid_detailed_1_modes(connector, block);
6673 displayid_iter_end(&iter);
6678 static int _drm_edid_connector_add_modes(struct drm_connector *connector,
6679 const struct drm_edid *drm_edid)
6681 const struct drm_display_info *info = &connector->display_info;
6688 * EDID spec says modes should be preferred in this order:
6689 * - preferred detailed mode
6690 * - other detailed modes from base block
6691 * - detailed modes from extension blocks
6692 * - CVT 3-byte code modes
6693 * - standard timing codes
6694 * - established timing codes
6695 * - modes inferred from GTF or CVT range information
6697 * We get this pretty much right.
6699 * XXX order for additional mode types in extension blocks?
6701 num_modes += add_detailed_modes(connector, drm_edid);
6702 num_modes += add_cvt_modes(connector, drm_edid);
6703 num_modes += add_standard_modes(connector, drm_edid);
6704 num_modes += add_established_modes(connector, drm_edid);
6705 num_modes += add_cea_modes(connector, drm_edid);
6706 num_modes += add_alternate_cea_modes(connector, drm_edid);
6707 num_modes += add_displayid_detailed_modes(connector, drm_edid);
6708 if (drm_edid->edid->features & DRM_EDID_FEATURE_CONTINUOUS_FREQ)
6709 num_modes += add_inferred_modes(connector, drm_edid);
6711 if (info->quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
6712 edid_fixup_preferred(connector);
6717 static void _drm_update_tile_info(struct drm_connector *connector,
6718 const struct drm_edid *drm_edid);
6720 static int _drm_edid_connector_property_update(struct drm_connector *connector,
6721 const struct drm_edid *drm_edid)
6723 struct drm_device *dev = connector->dev;
6726 if (connector->edid_blob_ptr) {
6727 const struct edid *old_edid = connector->edid_blob_ptr->data;
6730 if (!drm_edid_are_equal(drm_edid ? drm_edid->edid : NULL, old_edid)) {
6731 connector->epoch_counter++;
6732 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] EDID changed, epoch counter %llu\n",
6733 connector->base.id, connector->name,
6734 connector->epoch_counter);
6739 ret = drm_property_replace_global_blob(dev,
6740 &connector->edid_blob_ptr,
6741 drm_edid ? drm_edid->size : 0,
6742 drm_edid ? drm_edid->edid : NULL,
6744 dev->mode_config.edid_property);
6746 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] EDID property update failed (%d)\n",
6747 connector->base.id, connector->name, ret);
6751 ret = drm_object_property_set_value(&connector->base,
6752 dev->mode_config.non_desktop_property,
6753 connector->display_info.non_desktop);
6755 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Non-desktop property update failed (%d)\n",
6756 connector->base.id, connector->name, ret);
6760 ret = drm_connector_set_tile_property(connector);
6762 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Tile property update failed (%d)\n",
6763 connector->base.id, connector->name, ret);
6772 * drm_edid_connector_update - Update connector information from EDID
6773 * @connector: Connector
6776 * Update the connector display info, ELD, HDR metadata, relevant properties,
6777 * etc. from the passed in EDID.
6779 * If EDID is NULL, reset the information.
6781 * Must be called before calling drm_edid_connector_add_modes().
6783 * Return: 0 on success, negative error on errors.
6785 int drm_edid_connector_update(struct drm_connector *connector,
6786 const struct drm_edid *drm_edid)
6788 update_display_info(connector, drm_edid);
6790 _drm_update_tile_info(connector, drm_edid);
6792 return _drm_edid_connector_property_update(connector, drm_edid);
6794 EXPORT_SYMBOL(drm_edid_connector_update);
6797 * drm_edid_connector_add_modes - Update probed modes from the EDID property
6798 * @connector: Connector
6800 * Add the modes from the previously updated EDID property to the connector
6801 * probed modes list.
6803 * drm_edid_connector_update() must have been called before this to update the
6806 * Return: The number of modes added, or 0 if we couldn't find any.
6808 int drm_edid_connector_add_modes(struct drm_connector *connector)
6810 const struct drm_edid *drm_edid = NULL;
6813 if (connector->edid_blob_ptr)
6814 drm_edid = drm_edid_alloc(connector->edid_blob_ptr->data,
6815 connector->edid_blob_ptr->length);
6817 count = _drm_edid_connector_add_modes(connector, drm_edid);
6819 drm_edid_free(drm_edid);
6823 EXPORT_SYMBOL(drm_edid_connector_add_modes);
6826 * drm_connector_update_edid_property - update the edid property of a connector
6827 * @connector: drm connector
6828 * @edid: new value of the edid property
6830 * This function creates a new blob modeset object and assigns its id to the
6831 * connector's edid property.
6832 * Since we also parse tile information from EDID's displayID block, we also
6833 * set the connector's tile property here. See drm_connector_set_tile_property()
6836 * This function is deprecated. Use drm_edid_connector_update() instead.
6839 * Zero on success, negative errno on failure.
6841 int drm_connector_update_edid_property(struct drm_connector *connector,
6842 const struct edid *edid)
6844 struct drm_edid drm_edid;
6846 return drm_edid_connector_update(connector, drm_edid_legacy_init(&drm_edid, edid));
6848 EXPORT_SYMBOL(drm_connector_update_edid_property);
6851 * drm_add_edid_modes - add modes from EDID data, if available
6852 * @connector: connector we're probing
6855 * Add the specified modes to the connector's mode list. Also fills out the
6856 * &drm_display_info structure and ELD in @connector with any information which
6857 * can be derived from the edid.
6859 * This function is deprecated. Use drm_edid_connector_add_modes() instead.
6861 * Return: The number of modes added or 0 if we couldn't find any.
6863 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
6865 struct drm_edid _drm_edid;
6866 const struct drm_edid *drm_edid;
6868 if (edid && !drm_edid_is_valid(edid)) {
6869 drm_warn(connector->dev, "[CONNECTOR:%d:%s] EDID invalid.\n",
6870 connector->base.id, connector->name);
6874 drm_edid = drm_edid_legacy_init(&_drm_edid, edid);
6876 update_display_info(connector, drm_edid);
6878 return _drm_edid_connector_add_modes(connector, drm_edid);
6880 EXPORT_SYMBOL(drm_add_edid_modes);
6883 * drm_add_modes_noedid - add modes for the connectors without EDID
6884 * @connector: connector we're probing
6885 * @hdisplay: the horizontal display limit
6886 * @vdisplay: the vertical display limit
6888 * Add the specified modes to the connector's mode list. Only when the
6889 * hdisplay/vdisplay is not beyond the given limit, it will be added.
6891 * Return: The number of modes added or 0 if we couldn't find any.
6893 int drm_add_modes_noedid(struct drm_connector *connector,
6894 int hdisplay, int vdisplay)
6896 int i, count, num_modes = 0;
6897 struct drm_display_mode *mode;
6898 struct drm_device *dev = connector->dev;
6900 count = ARRAY_SIZE(drm_dmt_modes);
6906 for (i = 0; i < count; i++) {
6907 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
6909 if (hdisplay && vdisplay) {
6911 * Only when two are valid, they will be used to check
6912 * whether the mode should be added to the mode list of
6915 if (ptr->hdisplay > hdisplay ||
6916 ptr->vdisplay > vdisplay)
6919 if (drm_mode_vrefresh(ptr) > 61)
6921 mode = drm_mode_duplicate(dev, ptr);
6923 drm_mode_probed_add(connector, mode);
6929 EXPORT_SYMBOL(drm_add_modes_noedid);
6932 * drm_set_preferred_mode - Sets the preferred mode of a connector
6933 * @connector: connector whose mode list should be processed
6934 * @hpref: horizontal resolution of preferred mode
6935 * @vpref: vertical resolution of preferred mode
6937 * Marks a mode as preferred if it matches the resolution specified by @hpref
6940 void drm_set_preferred_mode(struct drm_connector *connector,
6941 int hpref, int vpref)
6943 struct drm_display_mode *mode;
6945 list_for_each_entry(mode, &connector->probed_modes, head) {
6946 if (mode->hdisplay == hpref &&
6947 mode->vdisplay == vpref)
6948 mode->type |= DRM_MODE_TYPE_PREFERRED;
6951 EXPORT_SYMBOL(drm_set_preferred_mode);
6953 static bool is_hdmi2_sink(const struct drm_connector *connector)
6956 * FIXME: sil-sii8620 doesn't have a connector around when
6957 * we need one, so we have to be prepared for a NULL connector.
6962 return connector->display_info.hdmi.scdc.supported ||
6963 connector->display_info.color_formats & DRM_COLOR_FORMAT_YCBCR420;
6966 static u8 drm_mode_hdmi_vic(const struct drm_connector *connector,
6967 const struct drm_display_mode *mode)
6969 bool has_hdmi_infoframe = connector ?
6970 connector->display_info.has_hdmi_infoframe : false;
6972 if (!has_hdmi_infoframe)
6975 /* No HDMI VIC when signalling 3D video format */
6976 if (mode->flags & DRM_MODE_FLAG_3D_MASK)
6979 return drm_match_hdmi_mode(mode);
6982 static u8 drm_mode_cea_vic(const struct drm_connector *connector,
6983 const struct drm_display_mode *mode)
6986 * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
6987 * we should send its VIC in vendor infoframes, else send the
6988 * VIC in AVI infoframes. Lets check if this mode is present in
6989 * HDMI 1.4b 4K modes
6991 if (drm_mode_hdmi_vic(connector, mode))
6994 return drm_match_cea_mode(mode);
6998 * Avoid sending VICs defined in HDMI 2.0 in AVI infoframes to sinks that
6999 * conform to HDMI 1.4.
7001 * HDMI 1.4 (CTA-861-D) VIC range: [1..64]
7002 * HDMI 2.0 (CTA-861-F) VIC range: [1..107]
7004 * If the sink lists the VIC in CTA VDB, assume it's fine, regardless of HDMI
7007 static u8 vic_for_avi_infoframe(const struct drm_connector *connector, u8 vic)
7009 if (!is_hdmi2_sink(connector) && vic > 64 &&
7010 !cta_vdb_has_vic(connector, vic))
7017 * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
7018 * data from a DRM display mode
7019 * @frame: HDMI AVI infoframe
7020 * @connector: the connector
7021 * @mode: DRM display mode
7023 * Return: 0 on success or a negative error code on failure.
7026 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
7027 const struct drm_connector *connector,
7028 const struct drm_display_mode *mode)
7030 enum hdmi_picture_aspect picture_aspect;
7033 if (!frame || !mode)
7036 hdmi_avi_infoframe_init(frame);
7038 if (mode->flags & DRM_MODE_FLAG_DBLCLK)
7039 frame->pixel_repeat = 1;
7041 vic = drm_mode_cea_vic(connector, mode);
7042 hdmi_vic = drm_mode_hdmi_vic(connector, mode);
7044 frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
7047 * As some drivers don't support atomic, we can't use connector state.
7048 * So just initialize the frame with default values, just the same way
7049 * as it's done with other properties here.
7051 frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
7055 * Populate picture aspect ratio from either
7056 * user input (if specified) or from the CEA/HDMI mode lists.
7058 picture_aspect = mode->picture_aspect_ratio;
7059 if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
7061 picture_aspect = drm_get_cea_aspect_ratio(vic);
7063 picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
7067 * The infoframe can't convey anything but none, 4:3
7068 * and 16:9, so if the user has asked for anything else
7069 * we can only satisfy it by specifying the right VIC.
7071 if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
7073 if (picture_aspect != drm_get_cea_aspect_ratio(vic))
7075 } else if (hdmi_vic) {
7076 if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
7082 picture_aspect = HDMI_PICTURE_ASPECT_NONE;
7085 frame->video_code = vic_for_avi_infoframe(connector, vic);
7086 frame->picture_aspect = picture_aspect;
7087 frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
7088 frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
7092 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
7095 * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
7096 * quantization range information
7097 * @frame: HDMI AVI infoframe
7098 * @connector: the connector
7099 * @mode: DRM display mode
7100 * @rgb_quant_range: RGB quantization range (Q)
7103 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
7104 const struct drm_connector *connector,
7105 const struct drm_display_mode *mode,
7106 enum hdmi_quantization_range rgb_quant_range)
7108 const struct drm_display_info *info = &connector->display_info;
7112 * "A Source shall not send a non-zero Q value that does not correspond
7113 * to the default RGB Quantization Range for the transmitted Picture
7114 * unless the Sink indicates support for the Q bit in a Video
7115 * Capabilities Data Block."
7117 * HDMI 2.0 recommends sending non-zero Q when it does match the
7118 * default RGB quantization range for the mode, even when QS=0.
7120 if (info->rgb_quant_range_selectable ||
7121 rgb_quant_range == drm_default_rgb_quant_range(mode))
7122 frame->quantization_range = rgb_quant_range;
7124 frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
7128 * "When transmitting any RGB colorimetry, the Source should set the
7129 * YQ-field to match the RGB Quantization Range being transmitted
7130 * (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
7131 * set YQ=1) and the Sink shall ignore the YQ-field."
7133 * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
7134 * by non-zero YQ when receiving RGB. There doesn't seem to be any
7135 * good way to tell which version of CEA-861 the sink supports, so
7136 * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
7139 if (!is_hdmi2_sink(connector) ||
7140 rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
7141 frame->ycc_quantization_range =
7142 HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
7144 frame->ycc_quantization_range =
7145 HDMI_YCC_QUANTIZATION_RANGE_FULL;
7147 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
7149 static enum hdmi_3d_structure
7150 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
7152 u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
7155 case DRM_MODE_FLAG_3D_FRAME_PACKING:
7156 return HDMI_3D_STRUCTURE_FRAME_PACKING;
7157 case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
7158 return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
7159 case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
7160 return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
7161 case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
7162 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
7163 case DRM_MODE_FLAG_3D_L_DEPTH:
7164 return HDMI_3D_STRUCTURE_L_DEPTH;
7165 case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
7166 return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
7167 case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
7168 return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
7169 case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
7170 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
7172 return HDMI_3D_STRUCTURE_INVALID;
7177 * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
7178 * data from a DRM display mode
7179 * @frame: HDMI vendor infoframe
7180 * @connector: the connector
7181 * @mode: DRM display mode
7183 * Note that there's is a need to send HDMI vendor infoframes only when using a
7184 * 4k or stereoscopic 3D mode. So when giving any other mode as input this
7185 * function will return -EINVAL, error that can be safely ignored.
7187 * Return: 0 on success or a negative error code on failure.
7190 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
7191 const struct drm_connector *connector,
7192 const struct drm_display_mode *mode)
7195 * FIXME: sil-sii8620 doesn't have a connector around when
7196 * we need one, so we have to be prepared for a NULL connector.
7198 bool has_hdmi_infoframe = connector ?
7199 connector->display_info.has_hdmi_infoframe : false;
7202 if (!frame || !mode)
7205 if (!has_hdmi_infoframe)
7208 err = hdmi_vendor_infoframe_init(frame);
7213 * Even if it's not absolutely necessary to send the infoframe
7214 * (ie.vic==0 and s3d_struct==0) we will still send it if we
7215 * know that the sink can handle it. This is based on a
7216 * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
7217 * have trouble realizing that they should switch from 3D to 2D
7218 * mode if the source simply stops sending the infoframe when
7219 * it wants to switch from 3D to 2D.
7221 frame->vic = drm_mode_hdmi_vic(connector, mode);
7222 frame->s3d_struct = s3d_structure_from_display_mode(mode);
7226 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
7228 static void drm_parse_tiled_block(struct drm_connector *connector,
7229 const struct displayid_block *block)
7231 const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
7233 u8 tile_v_loc, tile_h_loc;
7234 u8 num_v_tile, num_h_tile;
7235 struct drm_tile_group *tg;
7237 w = tile->tile_size[0] | tile->tile_size[1] << 8;
7238 h = tile->tile_size[2] | tile->tile_size[3] << 8;
7240 num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
7241 num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
7242 tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
7243 tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
7245 connector->has_tile = true;
7246 if (tile->tile_cap & 0x80)
7247 connector->tile_is_single_monitor = true;
7249 connector->num_h_tile = num_h_tile + 1;
7250 connector->num_v_tile = num_v_tile + 1;
7251 connector->tile_h_loc = tile_h_loc;
7252 connector->tile_v_loc = tile_v_loc;
7253 connector->tile_h_size = w + 1;
7254 connector->tile_v_size = h + 1;
7256 drm_dbg_kms(connector->dev,
7257 "[CONNECTOR:%d:%s] tile cap 0x%x, size %dx%d, num tiles %dx%d, location %dx%d, vend %c%c%c",
7258 connector->base.id, connector->name,
7260 connector->tile_h_size, connector->tile_v_size,
7261 connector->num_h_tile, connector->num_v_tile,
7262 connector->tile_h_loc, connector->tile_v_loc,
7263 tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
7265 tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
7267 tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
7271 if (connector->tile_group != tg) {
7272 /* if we haven't got a pointer,
7273 take the reference, drop ref to old tile group */
7274 if (connector->tile_group)
7275 drm_mode_put_tile_group(connector->dev, connector->tile_group);
7276 connector->tile_group = tg;
7278 /* if same tile group, then release the ref we just took. */
7279 drm_mode_put_tile_group(connector->dev, tg);
7283 static bool displayid_is_tiled_block(const struct displayid_iter *iter,
7284 const struct displayid_block *block)
7286 return (displayid_version(iter) == DISPLAY_ID_STRUCTURE_VER_12 &&
7287 block->tag == DATA_BLOCK_TILED_DISPLAY) ||
7288 (displayid_version(iter) == DISPLAY_ID_STRUCTURE_VER_20 &&
7289 block->tag == DATA_BLOCK_2_TILED_DISPLAY_TOPOLOGY);
7292 static void _drm_update_tile_info(struct drm_connector *connector,
7293 const struct drm_edid *drm_edid)
7295 const struct displayid_block *block;
7296 struct displayid_iter iter;
7298 connector->has_tile = false;
7300 displayid_iter_edid_begin(drm_edid, &iter);
7301 displayid_iter_for_each(block, &iter) {
7302 if (displayid_is_tiled_block(&iter, block))
7303 drm_parse_tiled_block(connector, block);
7305 displayid_iter_end(&iter);
7307 if (!connector->has_tile && connector->tile_group) {
7308 drm_mode_put_tile_group(connector->dev, connector->tile_group);
7309 connector->tile_group = NULL;
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