Linux 4.19.133
[linux/fpc-iii.git] / drivers / gpu / drm / drm_edid.c
blob108f542176b86db2e44f190d07d9f79bc51e33b4
1 /*
2 * Copyright (c) 2006 Luc Verhaegen (quirks list)
3 * Copyright (c) 2007-2008 Intel Corporation
4 * Jesse Barnes <jesse.barnes@intel.com>
5 * Copyright 2010 Red Hat, Inc.
7 * DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from
8 * FB layer.
9 * Copyright (C) 2006 Dennis Munsie <dmunsie@cecropia.com>
11 * Permission is hereby granted, free of charge, to any person obtaining a
12 * copy of this software and associated documentation files (the "Software"),
13 * to deal in the Software without restriction, including without limitation
14 * the rights to use, copy, modify, merge, publish, distribute, sub license,
15 * and/or sell copies of the Software, and to permit persons to whom the
16 * Software is furnished to do so, subject to the following conditions:
18 * The above copyright notice and this permission notice (including the
19 * next paragraph) shall be included in all copies or substantial portions
20 * of the Software.
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
25 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28 * DEALINGS IN THE SOFTWARE.
30 #include <linux/kernel.h>
31 #include <linux/slab.h>
32 #include <linux/hdmi.h>
33 #include <linux/i2c.h>
34 #include <linux/module.h>
35 #include <linux/vga_switcheroo.h>
36 #include <drm/drmP.h>
37 #include <drm/drm_edid.h>
38 #include <drm/drm_encoder.h>
39 #include <drm/drm_displayid.h>
40 #include <drm/drm_scdc_helper.h>
42 #include "drm_crtc_internal.h"
44 #define version_greater(edid, maj, min) \
45 (((edid)->version > (maj)) || \
46 ((edid)->version == (maj) && (edid)->revision > (min)))
48 #define EDID_EST_TIMINGS 16
49 #define EDID_STD_TIMINGS 8
50 #define EDID_DETAILED_TIMINGS 4
53 * EDID blocks out in the wild have a variety of bugs, try to collect
54 * them here (note that userspace may work around broken monitors first,
55 * but fixes should make their way here so that the kernel "just works"
56 * on as many displays as possible).
59 /* First detailed mode wrong, use largest 60Hz mode */
60 #define EDID_QUIRK_PREFER_LARGE_60 (1 << 0)
61 /* Reported 135MHz pixel clock is too high, needs adjustment */
62 #define EDID_QUIRK_135_CLOCK_TOO_HIGH (1 << 1)
63 /* Prefer the largest mode at 75 Hz */
64 #define EDID_QUIRK_PREFER_LARGE_75 (1 << 2)
65 /* Detail timing is in cm not mm */
66 #define EDID_QUIRK_DETAILED_IN_CM (1 << 3)
67 /* Detailed timing descriptors have bogus size values, so just take the
68 * maximum size and use that.
70 #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE (1 << 4)
71 /* Monitor forgot to set the first detailed is preferred bit. */
72 #define EDID_QUIRK_FIRST_DETAILED_PREFERRED (1 << 5)
73 /* use +hsync +vsync for detailed mode */
74 #define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6)
75 /* Force reduced-blanking timings for detailed modes */
76 #define EDID_QUIRK_FORCE_REDUCED_BLANKING (1 << 7)
77 /* Force 8bpc */
78 #define EDID_QUIRK_FORCE_8BPC (1 << 8)
79 /* Force 12bpc */
80 #define EDID_QUIRK_FORCE_12BPC (1 << 9)
81 /* Force 6bpc */
82 #define EDID_QUIRK_FORCE_6BPC (1 << 10)
83 /* Force 10bpc */
84 #define EDID_QUIRK_FORCE_10BPC (1 << 11)
85 /* Non desktop display (i.e. HMD) */
86 #define EDID_QUIRK_NON_DESKTOP (1 << 12)
88 struct detailed_mode_closure {
89 struct drm_connector *connector;
90 struct edid *edid;
91 bool preferred;
92 u32 quirks;
93 int modes;
96 #define LEVEL_DMT 0
97 #define LEVEL_GTF 1
98 #define LEVEL_GTF2 2
99 #define LEVEL_CVT 3
101 static const struct edid_quirk {
102 char vendor[4];
103 int product_id;
104 u32 quirks;
105 } edid_quirk_list[] = {
106 /* Acer AL1706 */
107 { "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 },
108 /* Acer F51 */
109 { "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 },
110 /* Unknown Acer */
111 { "ACR", 2423, EDID_QUIRK_FIRST_DETAILED_PREFERRED },
113 /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
114 { "AEO", 0, EDID_QUIRK_FORCE_6BPC },
116 /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
117 { "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC },
119 /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
120 { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },
122 /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
123 { "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC },
125 /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
126 { "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC },
128 /* Belinea 10 15 55 */
129 { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 },
130 { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },
132 /* Envision Peripherals, Inc. EN-7100e */
133 { "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH },
134 /* Envision EN2028 */
135 { "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 },
137 /* Funai Electronics PM36B */
138 { "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 |
139 EDID_QUIRK_DETAILED_IN_CM },
141 /* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
142 { "LGD", 764, EDID_QUIRK_FORCE_10BPC },
144 /* LG Philips LCD LP154W01-A5 */
145 { "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
146 { "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
148 /* Philips 107p5 CRT */
149 { "PHL", 57364, EDID_QUIRK_FIRST_DETAILED_PREFERRED },
151 /* Proview AY765C */
152 { "PTS", 765, EDID_QUIRK_FIRST_DETAILED_PREFERRED },
154 /* Samsung SyncMaster 205BW. Note: irony */
155 { "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP },
156 /* Samsung SyncMaster 22[5-6]BW */
157 { "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 },
158 { "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 },
160 /* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
161 { "SNY", 0x2541, EDID_QUIRK_FORCE_12BPC },
163 /* ViewSonic VA2026w */
164 { "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING },
166 /* Medion MD 30217 PG */
167 { "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 },
169 /* Lenovo G50 */
170 { "SDC", 18514, EDID_QUIRK_FORCE_6BPC },
172 /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
173 { "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC },
175 /* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
176 { "ETR", 13896, EDID_QUIRK_FORCE_8BPC },
178 /* Valve Index Headset */
179 { "VLV", 0x91a8, EDID_QUIRK_NON_DESKTOP },
180 { "VLV", 0x91b0, EDID_QUIRK_NON_DESKTOP },
181 { "VLV", 0x91b1, EDID_QUIRK_NON_DESKTOP },
182 { "VLV", 0x91b2, EDID_QUIRK_NON_DESKTOP },
183 { "VLV", 0x91b3, EDID_QUIRK_NON_DESKTOP },
184 { "VLV", 0x91b4, EDID_QUIRK_NON_DESKTOP },
185 { "VLV", 0x91b5, EDID_QUIRK_NON_DESKTOP },
186 { "VLV", 0x91b6, EDID_QUIRK_NON_DESKTOP },
187 { "VLV", 0x91b7, EDID_QUIRK_NON_DESKTOP },
188 { "VLV", 0x91b8, EDID_QUIRK_NON_DESKTOP },
189 { "VLV", 0x91b9, EDID_QUIRK_NON_DESKTOP },
190 { "VLV", 0x91ba, EDID_QUIRK_NON_DESKTOP },
191 { "VLV", 0x91bb, EDID_QUIRK_NON_DESKTOP },
192 { "VLV", 0x91bc, EDID_QUIRK_NON_DESKTOP },
193 { "VLV", 0x91bd, EDID_QUIRK_NON_DESKTOP },
194 { "VLV", 0x91be, EDID_QUIRK_NON_DESKTOP },
195 { "VLV", 0x91bf, EDID_QUIRK_NON_DESKTOP },
197 /* HTC Vive and Vive Pro VR Headsets */
198 { "HVR", 0xaa01, EDID_QUIRK_NON_DESKTOP },
199 { "HVR", 0xaa02, EDID_QUIRK_NON_DESKTOP },
201 /* Oculus Rift DK1, DK2, CV1 and Rift S VR Headsets */
202 { "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP },
203 { "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP },
204 { "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP },
205 { "OVR", 0x0012, EDID_QUIRK_NON_DESKTOP },
207 /* Windows Mixed Reality Headsets */
208 { "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP },
209 { "HPN", 0x3515, EDID_QUIRK_NON_DESKTOP },
210 { "LEN", 0x0408, EDID_QUIRK_NON_DESKTOP },
211 { "LEN", 0xb800, EDID_QUIRK_NON_DESKTOP },
212 { "FUJ", 0x1970, EDID_QUIRK_NON_DESKTOP },
213 { "DEL", 0x7fce, EDID_QUIRK_NON_DESKTOP },
214 { "SEC", 0x144a, EDID_QUIRK_NON_DESKTOP },
215 { "AUS", 0xc102, EDID_QUIRK_NON_DESKTOP },
217 /* Sony PlayStation VR Headset */
218 { "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP },
220 /* Sensics VR Headsets */
221 { "SEN", 0x1019, EDID_QUIRK_NON_DESKTOP },
223 /* OSVR HDK and HDK2 VR Headsets */
224 { "SVR", 0x1019, EDID_QUIRK_NON_DESKTOP },
228 * Autogenerated from the DMT spec.
229 * This table is copied from xfree86/modes/xf86EdidModes.c.
231 static const struct drm_display_mode drm_dmt_modes[] = {
232 /* 0x01 - 640x350@85Hz */
233 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
234 736, 832, 0, 350, 382, 385, 445, 0,
235 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
236 /* 0x02 - 640x400@85Hz */
237 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
238 736, 832, 0, 400, 401, 404, 445, 0,
239 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
240 /* 0x03 - 720x400@85Hz */
241 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
242 828, 936, 0, 400, 401, 404, 446, 0,
243 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
244 /* 0x04 - 640x480@60Hz */
245 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
246 752, 800, 0, 480, 490, 492, 525, 0,
247 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
248 /* 0x05 - 640x480@72Hz */
249 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
250 704, 832, 0, 480, 489, 492, 520, 0,
251 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
252 /* 0x06 - 640x480@75Hz */
253 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
254 720, 840, 0, 480, 481, 484, 500, 0,
255 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
256 /* 0x07 - 640x480@85Hz */
257 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
258 752, 832, 0, 480, 481, 484, 509, 0,
259 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
260 /* 0x08 - 800x600@56Hz */
261 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
262 896, 1024, 0, 600, 601, 603, 625, 0,
263 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
264 /* 0x09 - 800x600@60Hz */
265 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
266 968, 1056, 0, 600, 601, 605, 628, 0,
267 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
268 /* 0x0a - 800x600@72Hz */
269 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
270 976, 1040, 0, 600, 637, 643, 666, 0,
271 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
272 /* 0x0b - 800x600@75Hz */
273 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
274 896, 1056, 0, 600, 601, 604, 625, 0,
275 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
276 /* 0x0c - 800x600@85Hz */
277 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
278 896, 1048, 0, 600, 601, 604, 631, 0,
279 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
280 /* 0x0d - 800x600@120Hz RB */
281 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
282 880, 960, 0, 600, 603, 607, 636, 0,
283 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
284 /* 0x0e - 848x480@60Hz */
285 { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
286 976, 1088, 0, 480, 486, 494, 517, 0,
287 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
288 /* 0x0f - 1024x768@43Hz, interlace */
289 { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
290 1208, 1264, 0, 768, 768, 776, 817, 0,
291 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
292 DRM_MODE_FLAG_INTERLACE) },
293 /* 0x10 - 1024x768@60Hz */
294 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
295 1184, 1344, 0, 768, 771, 777, 806, 0,
296 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
297 /* 0x11 - 1024x768@70Hz */
298 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
299 1184, 1328, 0, 768, 771, 777, 806, 0,
300 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
301 /* 0x12 - 1024x768@75Hz */
302 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
303 1136, 1312, 0, 768, 769, 772, 800, 0,
304 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
305 /* 0x13 - 1024x768@85Hz */
306 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
307 1168, 1376, 0, 768, 769, 772, 808, 0,
308 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
309 /* 0x14 - 1024x768@120Hz RB */
310 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
311 1104, 1184, 0, 768, 771, 775, 813, 0,
312 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
313 /* 0x15 - 1152x864@75Hz */
314 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
315 1344, 1600, 0, 864, 865, 868, 900, 0,
316 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
317 /* 0x55 - 1280x720@60Hz */
318 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
319 1430, 1650, 0, 720, 725, 730, 750, 0,
320 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
321 /* 0x16 - 1280x768@60Hz RB */
322 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
323 1360, 1440, 0, 768, 771, 778, 790, 0,
324 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
325 /* 0x17 - 1280x768@60Hz */
326 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
327 1472, 1664, 0, 768, 771, 778, 798, 0,
328 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
329 /* 0x18 - 1280x768@75Hz */
330 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
331 1488, 1696, 0, 768, 771, 778, 805, 0,
332 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
333 /* 0x19 - 1280x768@85Hz */
334 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
335 1496, 1712, 0, 768, 771, 778, 809, 0,
336 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
337 /* 0x1a - 1280x768@120Hz RB */
338 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
339 1360, 1440, 0, 768, 771, 778, 813, 0,
340 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
341 /* 0x1b - 1280x800@60Hz RB */
342 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
343 1360, 1440, 0, 800, 803, 809, 823, 0,
344 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
345 /* 0x1c - 1280x800@60Hz */
346 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
347 1480, 1680, 0, 800, 803, 809, 831, 0,
348 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
349 /* 0x1d - 1280x800@75Hz */
350 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
351 1488, 1696, 0, 800, 803, 809, 838, 0,
352 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
353 /* 0x1e - 1280x800@85Hz */
354 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
355 1496, 1712, 0, 800, 803, 809, 843, 0,
356 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
357 /* 0x1f - 1280x800@120Hz RB */
358 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
359 1360, 1440, 0, 800, 803, 809, 847, 0,
360 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
361 /* 0x20 - 1280x960@60Hz */
362 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
363 1488, 1800, 0, 960, 961, 964, 1000, 0,
364 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
365 /* 0x21 - 1280x960@85Hz */
366 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
367 1504, 1728, 0, 960, 961, 964, 1011, 0,
368 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
369 /* 0x22 - 1280x960@120Hz RB */
370 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
371 1360, 1440, 0, 960, 963, 967, 1017, 0,
372 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
373 /* 0x23 - 1280x1024@60Hz */
374 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
375 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
376 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
377 /* 0x24 - 1280x1024@75Hz */
378 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
379 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
380 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
381 /* 0x25 - 1280x1024@85Hz */
382 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
383 1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
384 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
385 /* 0x26 - 1280x1024@120Hz RB */
386 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
387 1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
388 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
389 /* 0x27 - 1360x768@60Hz */
390 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
391 1536, 1792, 0, 768, 771, 777, 795, 0,
392 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
393 /* 0x28 - 1360x768@120Hz RB */
394 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
395 1440, 1520, 0, 768, 771, 776, 813, 0,
396 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
397 /* 0x51 - 1366x768@60Hz */
398 { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
399 1579, 1792, 0, 768, 771, 774, 798, 0,
400 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
401 /* 0x56 - 1366x768@60Hz */
402 { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
403 1436, 1500, 0, 768, 769, 772, 800, 0,
404 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
405 /* 0x29 - 1400x1050@60Hz RB */
406 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
407 1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
408 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
409 /* 0x2a - 1400x1050@60Hz */
410 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
411 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
412 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
413 /* 0x2b - 1400x1050@75Hz */
414 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
415 1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
416 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
417 /* 0x2c - 1400x1050@85Hz */
418 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
419 1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
420 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
421 /* 0x2d - 1400x1050@120Hz RB */
422 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
423 1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
424 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
425 /* 0x2e - 1440x900@60Hz RB */
426 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
427 1520, 1600, 0, 900, 903, 909, 926, 0,
428 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
429 /* 0x2f - 1440x900@60Hz */
430 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
431 1672, 1904, 0, 900, 903, 909, 934, 0,
432 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
433 /* 0x30 - 1440x900@75Hz */
434 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
435 1688, 1936, 0, 900, 903, 909, 942, 0,
436 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
437 /* 0x31 - 1440x900@85Hz */
438 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
439 1696, 1952, 0, 900, 903, 909, 948, 0,
440 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
441 /* 0x32 - 1440x900@120Hz RB */
442 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
443 1520, 1600, 0, 900, 903, 909, 953, 0,
444 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
445 /* 0x53 - 1600x900@60Hz */
446 { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
447 1704, 1800, 0, 900, 901, 904, 1000, 0,
448 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
449 /* 0x33 - 1600x1200@60Hz */
450 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
451 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
452 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
453 /* 0x34 - 1600x1200@65Hz */
454 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
455 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
456 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
457 /* 0x35 - 1600x1200@70Hz */
458 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
459 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
460 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
461 /* 0x36 - 1600x1200@75Hz */
462 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
463 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
464 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
465 /* 0x37 - 1600x1200@85Hz */
466 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
467 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
468 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
469 /* 0x38 - 1600x1200@120Hz RB */
470 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
471 1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
472 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
473 /* 0x39 - 1680x1050@60Hz RB */
474 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
475 1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
476 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
477 /* 0x3a - 1680x1050@60Hz */
478 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
479 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
480 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
481 /* 0x3b - 1680x1050@75Hz */
482 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
483 1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
484 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
485 /* 0x3c - 1680x1050@85Hz */
486 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
487 1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
488 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
489 /* 0x3d - 1680x1050@120Hz RB */
490 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
491 1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
492 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
493 /* 0x3e - 1792x1344@60Hz */
494 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
495 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
496 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
497 /* 0x3f - 1792x1344@75Hz */
498 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
499 2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
500 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
501 /* 0x40 - 1792x1344@120Hz RB */
502 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
503 1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
504 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
505 /* 0x41 - 1856x1392@60Hz */
506 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
507 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
508 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
509 /* 0x42 - 1856x1392@75Hz */
510 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
511 2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
512 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
513 /* 0x43 - 1856x1392@120Hz RB */
514 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
515 1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
516 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
517 /* 0x52 - 1920x1080@60Hz */
518 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
519 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
520 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
521 /* 0x44 - 1920x1200@60Hz RB */
522 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
523 2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
524 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
525 /* 0x45 - 1920x1200@60Hz */
526 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
527 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
528 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
529 /* 0x46 - 1920x1200@75Hz */
530 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
531 2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
532 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
533 /* 0x47 - 1920x1200@85Hz */
534 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
535 2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
536 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
537 /* 0x48 - 1920x1200@120Hz RB */
538 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
539 2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
540 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
541 /* 0x49 - 1920x1440@60Hz */
542 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
543 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
544 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
545 /* 0x4a - 1920x1440@75Hz */
546 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
547 2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
548 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
549 /* 0x4b - 1920x1440@120Hz RB */
550 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
551 2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
552 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
553 /* 0x54 - 2048x1152@60Hz */
554 { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
555 2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
556 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
557 /* 0x4c - 2560x1600@60Hz RB */
558 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
559 2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
560 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
561 /* 0x4d - 2560x1600@60Hz */
562 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
563 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
564 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
565 /* 0x4e - 2560x1600@75Hz */
566 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
567 3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
568 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
569 /* 0x4f - 2560x1600@85Hz */
570 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
571 3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
572 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
573 /* 0x50 - 2560x1600@120Hz RB */
574 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
575 2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
576 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
577 /* 0x57 - 4096x2160@60Hz RB */
578 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
579 4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
580 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
581 /* 0x58 - 4096x2160@59.94Hz RB */
582 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
583 4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
584 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
588 * These more or less come from the DMT spec. The 720x400 modes are
589 * inferred from historical 80x25 practice. The 640x480@67 and 832x624@75
590 * modes are old-school Mac modes. The EDID spec says the 1152x864@75 mode
591 * should be 1152x870, again for the Mac, but instead we use the x864 DMT
592 * mode.
594 * The DMT modes have been fact-checked; the rest are mild guesses.
596 static const struct drm_display_mode edid_est_modes[] = {
597 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
598 968, 1056, 0, 600, 601, 605, 628, 0,
599 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
600 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
601 896, 1024, 0, 600, 601, 603, 625, 0,
602 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
603 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
604 720, 840, 0, 480, 481, 484, 500, 0,
605 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
606 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
607 704, 832, 0, 480, 489, 492, 520, 0,
608 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
609 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
610 768, 864, 0, 480, 483, 486, 525, 0,
611 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
612 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
613 752, 800, 0, 480, 490, 492, 525, 0,
614 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
615 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
616 846, 900, 0, 400, 421, 423, 449, 0,
617 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
618 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
619 846, 900, 0, 400, 412, 414, 449, 0,
620 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
621 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
622 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
623 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
624 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
625 1136, 1312, 0, 768, 769, 772, 800, 0,
626 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
627 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
628 1184, 1328, 0, 768, 771, 777, 806, 0,
629 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
630 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
631 1184, 1344, 0, 768, 771, 777, 806, 0,
632 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
633 { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
634 1208, 1264, 0, 768, 768, 776, 817, 0,
635 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
636 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
637 928, 1152, 0, 624, 625, 628, 667, 0,
638 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
639 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
640 896, 1056, 0, 600, 601, 604, 625, 0,
641 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
642 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
643 976, 1040, 0, 600, 637, 643, 666, 0,
644 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
645 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
646 1344, 1600, 0, 864, 865, 868, 900, 0,
647 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
650 struct minimode {
651 short w;
652 short h;
653 short r;
654 short rb;
657 static const struct minimode est3_modes[] = {
658 /* byte 6 */
659 { 640, 350, 85, 0 },
660 { 640, 400, 85, 0 },
661 { 720, 400, 85, 0 },
662 { 640, 480, 85, 0 },
663 { 848, 480, 60, 0 },
664 { 800, 600, 85, 0 },
665 { 1024, 768, 85, 0 },
666 { 1152, 864, 75, 0 },
667 /* byte 7 */
668 { 1280, 768, 60, 1 },
669 { 1280, 768, 60, 0 },
670 { 1280, 768, 75, 0 },
671 { 1280, 768, 85, 0 },
672 { 1280, 960, 60, 0 },
673 { 1280, 960, 85, 0 },
674 { 1280, 1024, 60, 0 },
675 { 1280, 1024, 85, 0 },
676 /* byte 8 */
677 { 1360, 768, 60, 0 },
678 { 1440, 900, 60, 1 },
679 { 1440, 900, 60, 0 },
680 { 1440, 900, 75, 0 },
681 { 1440, 900, 85, 0 },
682 { 1400, 1050, 60, 1 },
683 { 1400, 1050, 60, 0 },
684 { 1400, 1050, 75, 0 },
685 /* byte 9 */
686 { 1400, 1050, 85, 0 },
687 { 1680, 1050, 60, 1 },
688 { 1680, 1050, 60, 0 },
689 { 1680, 1050, 75, 0 },
690 { 1680, 1050, 85, 0 },
691 { 1600, 1200, 60, 0 },
692 { 1600, 1200, 65, 0 },
693 { 1600, 1200, 70, 0 },
694 /* byte 10 */
695 { 1600, 1200, 75, 0 },
696 { 1600, 1200, 85, 0 },
697 { 1792, 1344, 60, 0 },
698 { 1792, 1344, 75, 0 },
699 { 1856, 1392, 60, 0 },
700 { 1856, 1392, 75, 0 },
701 { 1920, 1200, 60, 1 },
702 { 1920, 1200, 60, 0 },
703 /* byte 11 */
704 { 1920, 1200, 75, 0 },
705 { 1920, 1200, 85, 0 },
706 { 1920, 1440, 60, 0 },
707 { 1920, 1440, 75, 0 },
710 static const struct minimode extra_modes[] = {
711 { 1024, 576, 60, 0 },
712 { 1366, 768, 60, 0 },
713 { 1600, 900, 60, 0 },
714 { 1680, 945, 60, 0 },
715 { 1920, 1080, 60, 0 },
716 { 2048, 1152, 60, 0 },
717 { 2048, 1536, 60, 0 },
721 * Probably taken from CEA-861 spec.
722 * This table is converted from xorg's hw/xfree86/modes/xf86EdidModes.c.
724 * Index using the VIC.
726 static const struct drm_display_mode edid_cea_modes[] = {
727 /* 0 - dummy, VICs start at 1 */
728 { },
729 /* 1 - 640x480@60Hz 4:3 */
730 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
731 752, 800, 0, 480, 490, 492, 525, 0,
732 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
733 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
734 /* 2 - 720x480@60Hz 4:3 */
735 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
736 798, 858, 0, 480, 489, 495, 525, 0,
737 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
738 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
739 /* 3 - 720x480@60Hz 16:9 */
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 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
744 /* 4 - 1280x720@60Hz 16:9 */
745 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
746 1430, 1650, 0, 720, 725, 730, 750, 0,
747 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
748 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
749 /* 5 - 1920x1080i@60Hz 16:9 */
750 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
751 2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
752 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
753 DRM_MODE_FLAG_INTERLACE),
754 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
755 /* 6 - 720(1440)x480i@60Hz 4:3 */
756 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
757 801, 858, 0, 480, 488, 494, 525, 0,
758 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
759 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
760 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
761 /* 7 - 720(1440)x480i@60Hz 16:9 */
762 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
763 801, 858, 0, 480, 488, 494, 525, 0,
764 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
765 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
766 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
767 /* 8 - 720(1440)x240@60Hz 4:3 */
768 { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
769 801, 858, 0, 240, 244, 247, 262, 0,
770 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
771 DRM_MODE_FLAG_DBLCLK),
772 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
773 /* 9 - 720(1440)x240@60Hz 16:9 */
774 { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
775 801, 858, 0, 240, 244, 247, 262, 0,
776 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
777 DRM_MODE_FLAG_DBLCLK),
778 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
779 /* 10 - 2880x480i@60Hz 4:3 */
780 { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
781 3204, 3432, 0, 480, 488, 494, 525, 0,
782 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
783 DRM_MODE_FLAG_INTERLACE),
784 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
785 /* 11 - 2880x480i@60Hz 16:9 */
786 { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
787 3204, 3432, 0, 480, 488, 494, 525, 0,
788 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
789 DRM_MODE_FLAG_INTERLACE),
790 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
791 /* 12 - 2880x240@60Hz 4:3 */
792 { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
793 3204, 3432, 0, 240, 244, 247, 262, 0,
794 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
795 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
796 /* 13 - 2880x240@60Hz 16:9 */
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 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
801 /* 14 - 1440x480@60Hz 4:3 */
802 { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
803 1596, 1716, 0, 480, 489, 495, 525, 0,
804 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
805 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
806 /* 15 - 1440x480@60Hz 16:9 */
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 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
811 /* 16 - 1920x1080@60Hz 16:9 */
812 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
813 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
814 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
815 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
816 /* 17 - 720x576@50Hz 4:3 */
817 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
818 796, 864, 0, 576, 581, 586, 625, 0,
819 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
820 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
821 /* 18 - 720x576@50Hz 16:9 */
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 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
826 /* 19 - 1280x720@50Hz 16:9 */
827 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
828 1760, 1980, 0, 720, 725, 730, 750, 0,
829 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
830 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
831 /* 20 - 1920x1080i@50Hz 16:9 */
832 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
833 2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
834 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
835 DRM_MODE_FLAG_INTERLACE),
836 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
837 /* 21 - 720(1440)x576i@50Hz 4:3 */
838 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
839 795, 864, 0, 576, 580, 586, 625, 0,
840 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
841 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
842 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
843 /* 22 - 720(1440)x576i@50Hz 16:9 */
844 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
845 795, 864, 0, 576, 580, 586, 625, 0,
846 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
847 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
848 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
849 /* 23 - 720(1440)x288@50Hz 4:3 */
850 { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
851 795, 864, 0, 288, 290, 293, 312, 0,
852 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
853 DRM_MODE_FLAG_DBLCLK),
854 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
855 /* 24 - 720(1440)x288@50Hz 16:9 */
856 { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
857 795, 864, 0, 288, 290, 293, 312, 0,
858 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
859 DRM_MODE_FLAG_DBLCLK),
860 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
861 /* 25 - 2880x576i@50Hz 4:3 */
862 { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
863 3180, 3456, 0, 576, 580, 586, 625, 0,
864 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
865 DRM_MODE_FLAG_INTERLACE),
866 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
867 /* 26 - 2880x576i@50Hz 16:9 */
868 { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
869 3180, 3456, 0, 576, 580, 586, 625, 0,
870 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
871 DRM_MODE_FLAG_INTERLACE),
872 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
873 /* 27 - 2880x288@50Hz 4:3 */
874 { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
875 3180, 3456, 0, 288, 290, 293, 312, 0,
876 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
877 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
878 /* 28 - 2880x288@50Hz 16:9 */
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 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
883 /* 29 - 1440x576@50Hz 4:3 */
884 { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
885 1592, 1728, 0, 576, 581, 586, 625, 0,
886 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
887 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
888 /* 30 - 1440x576@50Hz 16:9 */
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 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
893 /* 31 - 1920x1080@50Hz 16:9 */
894 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
895 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
896 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
897 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
898 /* 32 - 1920x1080@24Hz 16:9 */
899 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
900 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
901 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
902 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
903 /* 33 - 1920x1080@25Hz 16:9 */
904 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
905 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
906 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
907 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
908 /* 34 - 1920x1080@30Hz 16:9 */
909 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
910 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
911 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
912 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
913 /* 35 - 2880x480@60Hz 4:3 */
914 { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
915 3192, 3432, 0, 480, 489, 495, 525, 0,
916 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
917 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
918 /* 36 - 2880x480@60Hz 16:9 */
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 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
923 /* 37 - 2880x576@50Hz 4:3 */
924 { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
925 3184, 3456, 0, 576, 581, 586, 625, 0,
926 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
927 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
928 /* 38 - 2880x576@50Hz 16:9 */
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 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
933 /* 39 - 1920x1080i@50Hz 16:9 */
934 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
935 2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
936 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
937 DRM_MODE_FLAG_INTERLACE),
938 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
939 /* 40 - 1920x1080i@100Hz 16:9 */
940 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
941 2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
942 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
943 DRM_MODE_FLAG_INTERLACE),
944 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
945 /* 41 - 1280x720@100Hz 16:9 */
946 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
947 1760, 1980, 0, 720, 725, 730, 750, 0,
948 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
949 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
950 /* 42 - 720x576@100Hz 4:3 */
951 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
952 796, 864, 0, 576, 581, 586, 625, 0,
953 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
954 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
955 /* 43 - 720x576@100Hz 16:9 */
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 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
960 /* 44 - 720(1440)x576i@100Hz 4:3 */
961 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
962 795, 864, 0, 576, 580, 586, 625, 0,
963 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
964 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
965 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
966 /* 45 - 720(1440)x576i@100Hz 16:9 */
967 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
968 795, 864, 0, 576, 580, 586, 625, 0,
969 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
970 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
971 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
972 /* 46 - 1920x1080i@120Hz 16:9 */
973 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
974 2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
975 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
976 DRM_MODE_FLAG_INTERLACE),
977 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
978 /* 47 - 1280x720@120Hz 16:9 */
979 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
980 1430, 1650, 0, 720, 725, 730, 750, 0,
981 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
982 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
983 /* 48 - 720x480@120Hz 4:3 */
984 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
985 798, 858, 0, 480, 489, 495, 525, 0,
986 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
987 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
988 /* 49 - 720x480@120Hz 16:9 */
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 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
993 /* 50 - 720(1440)x480i@120Hz 4:3 */
994 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
995 801, 858, 0, 480, 488, 494, 525, 0,
996 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
997 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
998 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
999 /* 51 - 720(1440)x480i@120Hz 16:9 */
1000 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
1001 801, 858, 0, 480, 488, 494, 525, 0,
1002 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1003 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1004 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1005 /* 52 - 720x576@200Hz 4:3 */
1006 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1007 796, 864, 0, 576, 581, 586, 625, 0,
1008 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1009 .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1010 /* 53 - 720x576@200Hz 16:9 */
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 .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1015 /* 54 - 720(1440)x576i@200Hz 4:3 */
1016 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1017 795, 864, 0, 576, 580, 586, 625, 0,
1018 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1019 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1020 .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1021 /* 55 - 720(1440)x576i@200Hz 16:9 */
1022 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1023 795, 864, 0, 576, 580, 586, 625, 0,
1024 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1025 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1026 .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1027 /* 56 - 720x480@240Hz 4:3 */
1028 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1029 798, 858, 0, 480, 489, 495, 525, 0,
1030 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1031 .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1032 /* 57 - 720x480@240Hz 16:9 */
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 .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1037 /* 58 - 720(1440)x480i@240Hz 4:3 */
1038 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1039 801, 858, 0, 480, 488, 494, 525, 0,
1040 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1041 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1042 .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1043 /* 59 - 720(1440)x480i@240Hz 16:9 */
1044 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1045 801, 858, 0, 480, 488, 494, 525, 0,
1046 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1047 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1048 .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1049 /* 60 - 1280x720@24Hz 16:9 */
1050 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1051 3080, 3300, 0, 720, 725, 730, 750, 0,
1052 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1053 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1054 /* 61 - 1280x720@25Hz 16:9 */
1055 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1056 3740, 3960, 0, 720, 725, 730, 750, 0,
1057 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1058 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1059 /* 62 - 1280x720@30Hz 16:9 */
1060 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1061 3080, 3300, 0, 720, 725, 730, 750, 0,
1062 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1063 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1064 /* 63 - 1920x1080@120Hz 16:9 */
1065 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1066 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1067 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1068 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1069 /* 64 - 1920x1080@100Hz 16:9 */
1070 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1071 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1072 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1073 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1074 /* 65 - 1280x720@24Hz 64:27 */
1075 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1076 3080, 3300, 0, 720, 725, 730, 750, 0,
1077 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1078 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1079 /* 66 - 1280x720@25Hz 64:27 */
1080 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1081 3740, 3960, 0, 720, 725, 730, 750, 0,
1082 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1083 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1084 /* 67 - 1280x720@30Hz 64:27 */
1085 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1086 3080, 3300, 0, 720, 725, 730, 750, 0,
1087 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1088 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1089 /* 68 - 1280x720@50Hz 64:27 */
1090 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1091 1760, 1980, 0, 720, 725, 730, 750, 0,
1092 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1093 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1094 /* 69 - 1280x720@60Hz 64:27 */
1095 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1096 1430, 1650, 0, 720, 725, 730, 750, 0,
1097 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1098 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1099 /* 70 - 1280x720@100Hz 64:27 */
1100 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1101 1760, 1980, 0, 720, 725, 730, 750, 0,
1102 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1103 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1104 /* 71 - 1280x720@120Hz 64:27 */
1105 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1106 1430, 1650, 0, 720, 725, 730, 750, 0,
1107 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1108 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1109 /* 72 - 1920x1080@24Hz 64:27 */
1110 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1111 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1112 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1113 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1114 /* 73 - 1920x1080@25Hz 64:27 */
1115 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1116 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1117 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1118 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1119 /* 74 - 1920x1080@30Hz 64:27 */
1120 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1121 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1122 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1123 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1124 /* 75 - 1920x1080@50Hz 64:27 */
1125 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1126 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1127 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1128 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1129 /* 76 - 1920x1080@60Hz 64:27 */
1130 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1131 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1132 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1133 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1134 /* 77 - 1920x1080@100Hz 64:27 */
1135 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1136 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1137 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1138 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1139 /* 78 - 1920x1080@120Hz 64:27 */
1140 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1141 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1142 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1143 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1144 /* 79 - 1680x720@24Hz 64:27 */
1145 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1146 3080, 3300, 0, 720, 725, 730, 750, 0,
1147 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1148 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1149 /* 80 - 1680x720@25Hz 64:27 */
1150 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1151 2948, 3168, 0, 720, 725, 730, 750, 0,
1152 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1153 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1154 /* 81 - 1680x720@30Hz 64:27 */
1155 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1156 2420, 2640, 0, 720, 725, 730, 750, 0,
1157 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1158 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1159 /* 82 - 1680x720@50Hz 64:27 */
1160 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1161 1980, 2200, 0, 720, 725, 730, 750, 0,
1162 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1163 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1164 /* 83 - 1680x720@60Hz 64:27 */
1165 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1166 1980, 2200, 0, 720, 725, 730, 750, 0,
1167 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1168 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1169 /* 84 - 1680x720@100Hz 64:27 */
1170 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1171 1780, 2000, 0, 720, 725, 730, 825, 0,
1172 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1173 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1174 /* 85 - 1680x720@120Hz 64:27 */
1175 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1176 1780, 2000, 0, 720, 725, 730, 825, 0,
1177 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1178 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1179 /* 86 - 2560x1080@24Hz 64:27 */
1180 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1181 3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1182 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1183 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1184 /* 87 - 2560x1080@25Hz 64:27 */
1185 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1186 3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1187 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1188 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1189 /* 88 - 2560x1080@30Hz 64:27 */
1190 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1191 3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1192 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1193 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1194 /* 89 - 2560x1080@50Hz 64:27 */
1195 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1196 3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1197 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1198 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1199 /* 90 - 2560x1080@60Hz 64:27 */
1200 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1201 2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1202 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1203 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1204 /* 91 - 2560x1080@100Hz 64:27 */
1205 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1206 2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1207 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1208 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1209 /* 92 - 2560x1080@120Hz 64:27 */
1210 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1211 3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1212 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1213 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1214 /* 93 - 3840x2160@24Hz 16:9 */
1215 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1216 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1217 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1218 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1219 /* 94 - 3840x2160@25Hz 16:9 */
1220 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1221 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1222 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1223 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1224 /* 95 - 3840x2160@30Hz 16:9 */
1225 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1226 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1227 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1228 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1229 /* 96 - 3840x2160@50Hz 16:9 */
1230 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1231 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1232 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1233 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1234 /* 97 - 3840x2160@60Hz 16:9 */
1235 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1236 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1237 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1238 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1239 /* 98 - 4096x2160@24Hz 256:135 */
1240 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1241 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1242 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1243 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1244 /* 99 - 4096x2160@25Hz 256:135 */
1245 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1246 5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1247 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1248 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1249 /* 100 - 4096x2160@30Hz 256:135 */
1250 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1251 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1252 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1253 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1254 /* 101 - 4096x2160@50Hz 256:135 */
1255 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1256 5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1257 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1258 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1259 /* 102 - 4096x2160@60Hz 256:135 */
1260 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1261 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1262 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1263 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1264 /* 103 - 3840x2160@24Hz 64:27 */
1265 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1266 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1267 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1268 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1269 /* 104 - 3840x2160@25Hz 64:27 */
1270 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1271 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1272 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1273 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1274 /* 105 - 3840x2160@30Hz 64:27 */
1275 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1276 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1277 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1278 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1279 /* 106 - 3840x2160@50Hz 64:27 */
1280 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1281 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1282 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1283 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1284 /* 107 - 3840x2160@60Hz 64:27 */
1285 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1286 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1287 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1288 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1292 * HDMI 1.4 4k modes. Index using the VIC.
1294 static const struct drm_display_mode edid_4k_modes[] = {
1295 /* 0 - dummy, VICs start at 1 */
1296 { },
1297 /* 1 - 3840x2160@30Hz */
1298 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1299 3840, 4016, 4104, 4400, 0,
1300 2160, 2168, 2178, 2250, 0,
1301 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1302 .vrefresh = 30, },
1303 /* 2 - 3840x2160@25Hz */
1304 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1305 3840, 4896, 4984, 5280, 0,
1306 2160, 2168, 2178, 2250, 0,
1307 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1308 .vrefresh = 25, },
1309 /* 3 - 3840x2160@24Hz */
1310 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1311 3840, 5116, 5204, 5500, 0,
1312 2160, 2168, 2178, 2250, 0,
1313 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1314 .vrefresh = 24, },
1315 /* 4 - 4096x2160@24Hz (SMPTE) */
1316 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1317 4096, 5116, 5204, 5500, 0,
1318 2160, 2168, 2178, 2250, 0,
1319 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1320 .vrefresh = 24, },
1323 /*** DDC fetch and block validation ***/
1325 static const u8 edid_header[] = {
1326 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1330 * drm_edid_header_is_valid - sanity check the header of the base EDID block
1331 * @raw_edid: pointer to raw base EDID block
1333 * Sanity check the header of the base EDID block.
1335 * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1337 int drm_edid_header_is_valid(const u8 *raw_edid)
1339 int i, score = 0;
1341 for (i = 0; i < sizeof(edid_header); i++)
1342 if (raw_edid[i] == edid_header[i])
1343 score++;
1345 return score;
1347 EXPORT_SYMBOL(drm_edid_header_is_valid);
1349 static int edid_fixup __read_mostly = 6;
1350 module_param_named(edid_fixup, edid_fixup, int, 0400);
1351 MODULE_PARM_DESC(edid_fixup,
1352 "Minimum number of valid EDID header bytes (0-8, default 6)");
1354 static void drm_get_displayid(struct drm_connector *connector,
1355 struct edid *edid);
1356 static int validate_displayid(u8 *displayid, int length, int idx);
1358 static int drm_edid_block_checksum(const u8 *raw_edid)
1360 int i;
1361 u8 csum = 0;
1362 for (i = 0; i < EDID_LENGTH; i++)
1363 csum += raw_edid[i];
1365 return csum;
1368 static bool drm_edid_is_zero(const u8 *in_edid, int length)
1370 if (memchr_inv(in_edid, 0, length))
1371 return false;
1373 return true;
1377 * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1378 * @raw_edid: pointer to raw EDID block
1379 * @block: type of block to validate (0 for base, extension otherwise)
1380 * @print_bad_edid: if true, dump bad EDID blocks to the console
1381 * @edid_corrupt: if true, the header or checksum is invalid
1383 * Validate a base or extension EDID block and optionally dump bad blocks to
1384 * the console.
1386 * Return: True if the block is valid, false otherwise.
1388 bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
1389 bool *edid_corrupt)
1391 u8 csum;
1392 struct edid *edid = (struct edid *)raw_edid;
1394 if (WARN_ON(!raw_edid))
1395 return false;
1397 if (edid_fixup > 8 || edid_fixup < 0)
1398 edid_fixup = 6;
1400 if (block == 0) {
1401 int score = drm_edid_header_is_valid(raw_edid);
1402 if (score == 8) {
1403 if (edid_corrupt)
1404 *edid_corrupt = false;
1405 } else if (score >= edid_fixup) {
1406 /* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6
1407 * The corrupt flag needs to be set here otherwise, the
1408 * fix-up code here will correct the problem, the
1409 * checksum is correct and the test fails
1411 if (edid_corrupt)
1412 *edid_corrupt = true;
1413 DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
1414 memcpy(raw_edid, edid_header, sizeof(edid_header));
1415 } else {
1416 if (edid_corrupt)
1417 *edid_corrupt = true;
1418 goto bad;
1422 csum = drm_edid_block_checksum(raw_edid);
1423 if (csum) {
1424 if (edid_corrupt)
1425 *edid_corrupt = true;
1427 /* allow CEA to slide through, switches mangle this */
1428 if (raw_edid[0] == CEA_EXT) {
1429 DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum);
1430 DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n");
1431 } else {
1432 if (print_bad_edid)
1433 DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
1435 goto bad;
1439 /* per-block-type checks */
1440 switch (raw_edid[0]) {
1441 case 0: /* base */
1442 if (edid->version != 1) {
1443 DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
1444 goto bad;
1447 if (edid->revision > 4)
1448 DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
1449 break;
1451 default:
1452 break;
1455 return true;
1457 bad:
1458 if (print_bad_edid) {
1459 if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1460 pr_notice("EDID block is all zeroes\n");
1461 } else {
1462 pr_notice("Raw EDID:\n");
1463 print_hex_dump(KERN_NOTICE,
1464 " \t", DUMP_PREFIX_NONE, 16, 1,
1465 raw_edid, EDID_LENGTH, false);
1468 return false;
1470 EXPORT_SYMBOL(drm_edid_block_valid);
1473 * drm_edid_is_valid - sanity check EDID data
1474 * @edid: EDID data
1476 * Sanity-check an entire EDID record (including extensions)
1478 * Return: True if the EDID data is valid, false otherwise.
1480 bool drm_edid_is_valid(struct edid *edid)
1482 int i;
1483 u8 *raw = (u8 *)edid;
1485 if (!edid)
1486 return false;
1488 for (i = 0; i <= edid->extensions; i++)
1489 if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
1490 return false;
1492 return true;
1494 EXPORT_SYMBOL(drm_edid_is_valid);
1496 #define DDC_SEGMENT_ADDR 0x30
1498 * drm_do_probe_ddc_edid() - get EDID information via I2C
1499 * @data: I2C device adapter
1500 * @buf: EDID data buffer to be filled
1501 * @block: 128 byte EDID block to start fetching from
1502 * @len: EDID data buffer length to fetch
1504 * Try to fetch EDID information by calling I2C driver functions.
1506 * Return: 0 on success or -1 on failure.
1508 static int
1509 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1511 struct i2c_adapter *adapter = data;
1512 unsigned char start = block * EDID_LENGTH;
1513 unsigned char segment = block >> 1;
1514 unsigned char xfers = segment ? 3 : 2;
1515 int ret, retries = 5;
1518 * The core I2C driver will automatically retry the transfer if the
1519 * adapter reports EAGAIN. However, we find that bit-banging transfers
1520 * are susceptible to errors under a heavily loaded machine and
1521 * generate spurious NAKs and timeouts. Retrying the transfer
1522 * of the individual block a few times seems to overcome this.
1524 do {
1525 struct i2c_msg msgs[] = {
1527 .addr = DDC_SEGMENT_ADDR,
1528 .flags = 0,
1529 .len = 1,
1530 .buf = &segment,
1531 }, {
1532 .addr = DDC_ADDR,
1533 .flags = 0,
1534 .len = 1,
1535 .buf = &start,
1536 }, {
1537 .addr = DDC_ADDR,
1538 .flags = I2C_M_RD,
1539 .len = len,
1540 .buf = buf,
1545 * Avoid sending the segment addr to not upset non-compliant
1546 * DDC monitors.
1548 ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
1550 if (ret == -ENXIO) {
1551 DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1552 adapter->name);
1553 break;
1555 } while (ret != xfers && --retries);
1557 return ret == xfers ? 0 : -1;
1560 static void connector_bad_edid(struct drm_connector *connector,
1561 u8 *edid, int num_blocks)
1563 int i;
1565 if (connector->bad_edid_counter++ && !(drm_debug & DRM_UT_KMS))
1566 return;
1568 dev_warn(connector->dev->dev,
1569 "%s: EDID is invalid:\n",
1570 connector->name);
1571 for (i = 0; i < num_blocks; i++) {
1572 u8 *block = edid + i * EDID_LENGTH;
1573 char prefix[20];
1575 if (drm_edid_is_zero(block, EDID_LENGTH))
1576 sprintf(prefix, "\t[%02x] ZERO ", i);
1577 else if (!drm_edid_block_valid(block, i, false, NULL))
1578 sprintf(prefix, "\t[%02x] BAD ", i);
1579 else
1580 sprintf(prefix, "\t[%02x] GOOD ", i);
1582 print_hex_dump(KERN_WARNING,
1583 prefix, DUMP_PREFIX_NONE, 16, 1,
1584 block, EDID_LENGTH, false);
1588 /* Get override or firmware EDID */
1589 static struct edid *drm_get_override_edid(struct drm_connector *connector)
1591 struct edid *override = NULL;
1593 if (connector->override_edid)
1594 override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1596 if (!override)
1597 override = drm_load_edid_firmware(connector);
1599 return IS_ERR(override) ? NULL : override;
1603 * drm_add_override_edid_modes - add modes from override/firmware EDID
1604 * @connector: connector we're probing
1606 * Add modes from the override/firmware EDID, if available. Only to be used from
1607 * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1608 * failed during drm_get_edid() and caused the override/firmware EDID to be
1609 * skipped.
1611 * Return: The number of modes added or 0 if we couldn't find any.
1613 int drm_add_override_edid_modes(struct drm_connector *connector)
1615 struct edid *override;
1616 int num_modes = 0;
1618 override = drm_get_override_edid(connector);
1619 if (override) {
1620 drm_connector_update_edid_property(connector, override);
1621 num_modes = drm_add_edid_modes(connector, override);
1622 kfree(override);
1624 DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1625 connector->base.id, connector->name, num_modes);
1628 return num_modes;
1630 EXPORT_SYMBOL(drm_add_override_edid_modes);
1633 * drm_do_get_edid - get EDID data using a custom EDID block read function
1634 * @connector: connector we're probing
1635 * @get_edid_block: EDID block read function
1636 * @data: private data passed to the block read function
1638 * When the I2C adapter connected to the DDC bus is hidden behind a device that
1639 * exposes a different interface to read EDID blocks this function can be used
1640 * to get EDID data using a custom block read function.
1642 * As in the general case the DDC bus is accessible by the kernel at the I2C
1643 * level, drivers must make all reasonable efforts to expose it as an I2C
1644 * adapter and use drm_get_edid() instead of abusing this function.
1646 * The EDID may be overridden using debugfs override_edid or firmare EDID
1647 * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1648 * order. Having either of them bypasses actual EDID reads.
1650 * Return: Pointer to valid EDID or NULL if we couldn't find any.
1652 struct edid *drm_do_get_edid(struct drm_connector *connector,
1653 int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1654 size_t len),
1655 void *data)
1657 int i, j = 0, valid_extensions = 0;
1658 u8 *edid, *new;
1659 struct edid *override;
1661 override = drm_get_override_edid(connector);
1662 if (override)
1663 return override;
1665 if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1666 return NULL;
1668 /* base block fetch */
1669 for (i = 0; i < 4; i++) {
1670 if (get_edid_block(data, edid, 0, EDID_LENGTH))
1671 goto out;
1672 if (drm_edid_block_valid(edid, 0, false,
1673 &connector->edid_corrupt))
1674 break;
1675 if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1676 connector->null_edid_counter++;
1677 goto carp;
1680 if (i == 4)
1681 goto carp;
1683 /* if there's no extensions, we're done */
1684 valid_extensions = edid[0x7e];
1685 if (valid_extensions == 0)
1686 return (struct edid *)edid;
1688 new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1689 if (!new)
1690 goto out;
1691 edid = new;
1693 for (j = 1; j <= edid[0x7e]; j++) {
1694 u8 *block = edid + j * EDID_LENGTH;
1696 for (i = 0; i < 4; i++) {
1697 if (get_edid_block(data, block, j, EDID_LENGTH))
1698 goto out;
1699 if (drm_edid_block_valid(block, j, false, NULL))
1700 break;
1703 if (i == 4)
1704 valid_extensions--;
1707 if (valid_extensions != edid[0x7e]) {
1708 u8 *base;
1710 connector_bad_edid(connector, edid, edid[0x7e] + 1);
1712 edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
1713 edid[0x7e] = valid_extensions;
1715 new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
1716 GFP_KERNEL);
1717 if (!new)
1718 goto out;
1720 base = new;
1721 for (i = 0; i <= edid[0x7e]; i++) {
1722 u8 *block = edid + i * EDID_LENGTH;
1724 if (!drm_edid_block_valid(block, i, false, NULL))
1725 continue;
1727 memcpy(base, block, EDID_LENGTH);
1728 base += EDID_LENGTH;
1731 kfree(edid);
1732 edid = new;
1735 return (struct edid *)edid;
1737 carp:
1738 connector_bad_edid(connector, edid, 1);
1739 out:
1740 kfree(edid);
1741 return NULL;
1743 EXPORT_SYMBOL_GPL(drm_do_get_edid);
1746 * drm_probe_ddc() - probe DDC presence
1747 * @adapter: I2C adapter to probe
1749 * Return: True on success, false on failure.
1751 bool
1752 drm_probe_ddc(struct i2c_adapter *adapter)
1754 unsigned char out;
1756 return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
1758 EXPORT_SYMBOL(drm_probe_ddc);
1761 * drm_get_edid - get EDID data, if available
1762 * @connector: connector we're probing
1763 * @adapter: I2C adapter to use for DDC
1765 * Poke the given I2C channel to grab EDID data if possible. If found,
1766 * attach it to the connector.
1768 * Return: Pointer to valid EDID or NULL if we couldn't find any.
1770 struct edid *drm_get_edid(struct drm_connector *connector,
1771 struct i2c_adapter *adapter)
1773 struct edid *edid;
1775 if (connector->force == DRM_FORCE_OFF)
1776 return NULL;
1778 if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
1779 return NULL;
1781 edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
1782 if (edid)
1783 drm_get_displayid(connector, edid);
1784 return edid;
1786 EXPORT_SYMBOL(drm_get_edid);
1789 * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
1790 * @connector: connector we're probing
1791 * @adapter: I2C adapter to use for DDC
1793 * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
1794 * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
1795 * switch DDC to the GPU which is retrieving EDID.
1797 * Return: Pointer to valid EDID or %NULL if we couldn't find any.
1799 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
1800 struct i2c_adapter *adapter)
1802 struct pci_dev *pdev = connector->dev->pdev;
1803 struct edid *edid;
1805 vga_switcheroo_lock_ddc(pdev);
1806 edid = drm_get_edid(connector, adapter);
1807 vga_switcheroo_unlock_ddc(pdev);
1809 return edid;
1811 EXPORT_SYMBOL(drm_get_edid_switcheroo);
1814 * drm_edid_duplicate - duplicate an EDID and the extensions
1815 * @edid: EDID to duplicate
1817 * Return: Pointer to duplicated EDID or NULL on allocation failure.
1819 struct edid *drm_edid_duplicate(const struct edid *edid)
1821 return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1823 EXPORT_SYMBOL(drm_edid_duplicate);
1825 /*** EDID parsing ***/
1828 * edid_vendor - match a string against EDID's obfuscated vendor field
1829 * @edid: EDID to match
1830 * @vendor: vendor string
1832 * Returns true if @vendor is in @edid, false otherwise
1834 static bool edid_vendor(const struct edid *edid, const char *vendor)
1836 char edid_vendor[3];
1838 edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
1839 edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
1840 ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
1841 edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
1843 return !strncmp(edid_vendor, vendor, 3);
1847 * edid_get_quirks - return quirk flags for a given EDID
1848 * @edid: EDID to process
1850 * This tells subsequent routines what fixes they need to apply.
1852 static u32 edid_get_quirks(const struct edid *edid)
1854 const struct edid_quirk *quirk;
1855 int i;
1857 for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
1858 quirk = &edid_quirk_list[i];
1860 if (edid_vendor(edid, quirk->vendor) &&
1861 (EDID_PRODUCT_ID(edid) == quirk->product_id))
1862 return quirk->quirks;
1865 return 0;
1868 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
1869 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
1872 * edid_fixup_preferred - set preferred modes based on quirk list
1873 * @connector: has mode list to fix up
1874 * @quirks: quirks list
1876 * Walk the mode list for @connector, clearing the preferred status
1877 * on existing modes and setting it anew for the right mode ala @quirks.
1879 static void edid_fixup_preferred(struct drm_connector *connector,
1880 u32 quirks)
1882 struct drm_display_mode *t, *cur_mode, *preferred_mode;
1883 int target_refresh = 0;
1884 int cur_vrefresh, preferred_vrefresh;
1886 if (list_empty(&connector->probed_modes))
1887 return;
1889 if (quirks & EDID_QUIRK_PREFER_LARGE_60)
1890 target_refresh = 60;
1891 if (quirks & EDID_QUIRK_PREFER_LARGE_75)
1892 target_refresh = 75;
1894 preferred_mode = list_first_entry(&connector->probed_modes,
1895 struct drm_display_mode, head);
1897 list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
1898 cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
1900 if (cur_mode == preferred_mode)
1901 continue;
1903 /* Largest mode is preferred */
1904 if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
1905 preferred_mode = cur_mode;
1907 cur_vrefresh = cur_mode->vrefresh ?
1908 cur_mode->vrefresh : drm_mode_vrefresh(cur_mode);
1909 preferred_vrefresh = preferred_mode->vrefresh ?
1910 preferred_mode->vrefresh : drm_mode_vrefresh(preferred_mode);
1911 /* At a given size, try to get closest to target refresh */
1912 if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
1913 MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
1914 MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
1915 preferred_mode = cur_mode;
1919 preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
1922 static bool
1923 mode_is_rb(const struct drm_display_mode *mode)
1925 return (mode->htotal - mode->hdisplay == 160) &&
1926 (mode->hsync_end - mode->hdisplay == 80) &&
1927 (mode->hsync_end - mode->hsync_start == 32) &&
1928 (mode->vsync_start - mode->vdisplay == 3);
1932 * drm_mode_find_dmt - Create a copy of a mode if present in DMT
1933 * @dev: Device to duplicate against
1934 * @hsize: Mode width
1935 * @vsize: Mode height
1936 * @fresh: Mode refresh rate
1937 * @rb: Mode reduced-blanking-ness
1939 * Walk the DMT mode list looking for a match for the given parameters.
1941 * Return: A newly allocated copy of the mode, or NULL if not found.
1943 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
1944 int hsize, int vsize, int fresh,
1945 bool rb)
1947 int i;
1949 for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
1950 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
1951 if (hsize != ptr->hdisplay)
1952 continue;
1953 if (vsize != ptr->vdisplay)
1954 continue;
1955 if (fresh != drm_mode_vrefresh(ptr))
1956 continue;
1957 if (rb != mode_is_rb(ptr))
1958 continue;
1960 return drm_mode_duplicate(dev, ptr);
1963 return NULL;
1965 EXPORT_SYMBOL(drm_mode_find_dmt);
1967 typedef void detailed_cb(struct detailed_timing *timing, void *closure);
1969 static void
1970 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
1972 int i, n = 0;
1973 u8 d = ext[0x02];
1974 u8 *det_base = ext + d;
1976 n = (127 - d) / 18;
1977 for (i = 0; i < n; i++)
1978 cb((struct detailed_timing *)(det_base + 18 * i), closure);
1981 static void
1982 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
1984 unsigned int i, n = min((int)ext[0x02], 6);
1985 u8 *det_base = ext + 5;
1987 if (ext[0x01] != 1)
1988 return; /* unknown version */
1990 for (i = 0; i < n; i++)
1991 cb((struct detailed_timing *)(det_base + 18 * i), closure);
1994 static void
1995 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
1997 int i;
1998 struct edid *edid = (struct edid *)raw_edid;
2000 if (edid == NULL)
2001 return;
2003 for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2004 cb(&(edid->detailed_timings[i]), closure);
2006 for (i = 1; i <= raw_edid[0x7e]; i++) {
2007 u8 *ext = raw_edid + (i * EDID_LENGTH);
2008 switch (*ext) {
2009 case CEA_EXT:
2010 cea_for_each_detailed_block(ext, cb, closure);
2011 break;
2012 case VTB_EXT:
2013 vtb_for_each_detailed_block(ext, cb, closure);
2014 break;
2015 default:
2016 break;
2021 static void
2022 is_rb(struct detailed_timing *t, void *data)
2024 u8 *r = (u8 *)t;
2025 if (r[3] == EDID_DETAIL_MONITOR_RANGE)
2026 if (r[15] & 0x10)
2027 *(bool *)data = true;
2030 /* EDID 1.4 defines this explicitly. For EDID 1.3, we guess, badly. */
2031 static bool
2032 drm_monitor_supports_rb(struct edid *edid)
2034 if (edid->revision >= 4) {
2035 bool ret = false;
2036 drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2037 return ret;
2040 return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2043 static void
2044 find_gtf2(struct detailed_timing *t, void *data)
2046 u8 *r = (u8 *)t;
2047 if (r[3] == EDID_DETAIL_MONITOR_RANGE && r[10] == 0x02)
2048 *(u8 **)data = r;
2051 /* Secondary GTF curve kicks in above some break frequency */
2052 static int
2053 drm_gtf2_hbreak(struct edid *edid)
2055 u8 *r = NULL;
2056 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2057 return r ? (r[12] * 2) : 0;
2060 static int
2061 drm_gtf2_2c(struct edid *edid)
2063 u8 *r = NULL;
2064 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2065 return r ? r[13] : 0;
2068 static int
2069 drm_gtf2_m(struct edid *edid)
2071 u8 *r = NULL;
2072 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2073 return r ? (r[15] << 8) + r[14] : 0;
2076 static int
2077 drm_gtf2_k(struct edid *edid)
2079 u8 *r = NULL;
2080 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2081 return r ? r[16] : 0;
2084 static int
2085 drm_gtf2_2j(struct edid *edid)
2087 u8 *r = NULL;
2088 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2089 return r ? r[17] : 0;
2093 * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2094 * @edid: EDID block to scan
2096 static int standard_timing_level(struct edid *edid)
2098 if (edid->revision >= 2) {
2099 if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2100 return LEVEL_CVT;
2101 if (drm_gtf2_hbreak(edid))
2102 return LEVEL_GTF2;
2103 return LEVEL_GTF;
2105 return LEVEL_DMT;
2109 * 0 is reserved. The spec says 0x01 fill for unused timings. Some old
2110 * monitors fill with ascii space (0x20) instead.
2112 static int
2113 bad_std_timing(u8 a, u8 b)
2115 return (a == 0x00 && b == 0x00) ||
2116 (a == 0x01 && b == 0x01) ||
2117 (a == 0x20 && b == 0x20);
2121 * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2122 * @connector: connector of for the EDID block
2123 * @edid: EDID block to scan
2124 * @t: standard timing params
2126 * Take the standard timing params (in this case width, aspect, and refresh)
2127 * and convert them into a real mode using CVT/GTF/DMT.
2129 static struct drm_display_mode *
2130 drm_mode_std(struct drm_connector *connector, struct edid *edid,
2131 struct std_timing *t)
2133 struct drm_device *dev = connector->dev;
2134 struct drm_display_mode *m, *mode = NULL;
2135 int hsize, vsize;
2136 int vrefresh_rate;
2137 unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2138 >> EDID_TIMING_ASPECT_SHIFT;
2139 unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2140 >> EDID_TIMING_VFREQ_SHIFT;
2141 int timing_level = standard_timing_level(edid);
2143 if (bad_std_timing(t->hsize, t->vfreq_aspect))
2144 return NULL;
2146 /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2147 hsize = t->hsize * 8 + 248;
2148 /* vrefresh_rate = vfreq + 60 */
2149 vrefresh_rate = vfreq + 60;
2150 /* the vdisplay is calculated based on the aspect ratio */
2151 if (aspect_ratio == 0) {
2152 if (edid->revision < 3)
2153 vsize = hsize;
2154 else
2155 vsize = (hsize * 10) / 16;
2156 } else if (aspect_ratio == 1)
2157 vsize = (hsize * 3) / 4;
2158 else if (aspect_ratio == 2)
2159 vsize = (hsize * 4) / 5;
2160 else
2161 vsize = (hsize * 9) / 16;
2163 /* HDTV hack, part 1 */
2164 if (vrefresh_rate == 60 &&
2165 ((hsize == 1360 && vsize == 765) ||
2166 (hsize == 1368 && vsize == 769))) {
2167 hsize = 1366;
2168 vsize = 768;
2172 * If this connector already has a mode for this size and refresh
2173 * rate (because it came from detailed or CVT info), use that
2174 * instead. This way we don't have to guess at interlace or
2175 * reduced blanking.
2177 list_for_each_entry(m, &connector->probed_modes, head)
2178 if (m->hdisplay == hsize && m->vdisplay == vsize &&
2179 drm_mode_vrefresh(m) == vrefresh_rate)
2180 return NULL;
2182 /* HDTV hack, part 2 */
2183 if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2184 mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2185 false);
2186 if (!mode)
2187 return NULL;
2188 mode->hdisplay = 1366;
2189 mode->hsync_start = mode->hsync_start - 1;
2190 mode->hsync_end = mode->hsync_end - 1;
2191 return mode;
2194 /* check whether it can be found in default mode table */
2195 if (drm_monitor_supports_rb(edid)) {
2196 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2197 true);
2198 if (mode)
2199 return mode;
2201 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2202 if (mode)
2203 return mode;
2205 /* okay, generate it */
2206 switch (timing_level) {
2207 case LEVEL_DMT:
2208 break;
2209 case LEVEL_GTF:
2210 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2211 break;
2212 case LEVEL_GTF2:
2214 * This is potentially wrong if there's ever a monitor with
2215 * more than one ranges section, each claiming a different
2216 * secondary GTF curve. Please don't do that.
2218 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2219 if (!mode)
2220 return NULL;
2221 if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2222 drm_mode_destroy(dev, mode);
2223 mode = drm_gtf_mode_complex(dev, hsize, vsize,
2224 vrefresh_rate, 0, 0,
2225 drm_gtf2_m(edid),
2226 drm_gtf2_2c(edid),
2227 drm_gtf2_k(edid),
2228 drm_gtf2_2j(edid));
2230 break;
2231 case LEVEL_CVT:
2232 mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2233 false);
2234 break;
2236 return mode;
2240 * EDID is delightfully ambiguous about how interlaced modes are to be
2241 * encoded. Our internal representation is of frame height, but some
2242 * HDTV detailed timings are encoded as field height.
2244 * The format list here is from CEA, in frame size. Technically we
2245 * should be checking refresh rate too. Whatever.
2247 static void
2248 drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2249 struct detailed_pixel_timing *pt)
2251 int i;
2252 static const struct {
2253 int w, h;
2254 } cea_interlaced[] = {
2255 { 1920, 1080 },
2256 { 720, 480 },
2257 { 1440, 480 },
2258 { 2880, 480 },
2259 { 720, 576 },
2260 { 1440, 576 },
2261 { 2880, 576 },
2264 if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2265 return;
2267 for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2268 if ((mode->hdisplay == cea_interlaced[i].w) &&
2269 (mode->vdisplay == cea_interlaced[i].h / 2)) {
2270 mode->vdisplay *= 2;
2271 mode->vsync_start *= 2;
2272 mode->vsync_end *= 2;
2273 mode->vtotal *= 2;
2274 mode->vtotal |= 1;
2278 mode->flags |= DRM_MODE_FLAG_INTERLACE;
2282 * drm_mode_detailed - create a new mode from an EDID detailed timing section
2283 * @dev: DRM device (needed to create new mode)
2284 * @edid: EDID block
2285 * @timing: EDID detailed timing info
2286 * @quirks: quirks to apply
2288 * An EDID detailed timing block contains enough info for us to create and
2289 * return a new struct drm_display_mode.
2291 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2292 struct edid *edid,
2293 struct detailed_timing *timing,
2294 u32 quirks)
2296 struct drm_display_mode *mode;
2297 struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2298 unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2299 unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2300 unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2301 unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2302 unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2303 unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2304 unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2305 unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2307 /* ignore tiny modes */
2308 if (hactive < 64 || vactive < 64)
2309 return NULL;
2311 if (pt->misc & DRM_EDID_PT_STEREO) {
2312 DRM_DEBUG_KMS("stereo mode not supported\n");
2313 return NULL;
2315 if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2316 DRM_DEBUG_KMS("composite sync not supported\n");
2319 /* it is incorrect if hsync/vsync width is zero */
2320 if (!hsync_pulse_width || !vsync_pulse_width) {
2321 DRM_DEBUG_KMS("Incorrect Detailed timing. "
2322 "Wrong Hsync/Vsync pulse width\n");
2323 return NULL;
2326 if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2327 mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2328 if (!mode)
2329 return NULL;
2331 goto set_size;
2334 mode = drm_mode_create(dev);
2335 if (!mode)
2336 return NULL;
2338 if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2339 timing->pixel_clock = cpu_to_le16(1088);
2341 mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2343 mode->hdisplay = hactive;
2344 mode->hsync_start = mode->hdisplay + hsync_offset;
2345 mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2346 mode->htotal = mode->hdisplay + hblank;
2348 mode->vdisplay = vactive;
2349 mode->vsync_start = mode->vdisplay + vsync_offset;
2350 mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2351 mode->vtotal = mode->vdisplay + vblank;
2353 /* Some EDIDs have bogus h/vtotal values */
2354 if (mode->hsync_end > mode->htotal)
2355 mode->htotal = mode->hsync_end + 1;
2356 if (mode->vsync_end > mode->vtotal)
2357 mode->vtotal = mode->vsync_end + 1;
2359 drm_mode_do_interlace_quirk(mode, pt);
2361 if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2362 pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
2365 mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2366 DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2367 mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2368 DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2370 set_size:
2371 mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2372 mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2374 if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2375 mode->width_mm *= 10;
2376 mode->height_mm *= 10;
2379 if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2380 mode->width_mm = edid->width_cm * 10;
2381 mode->height_mm = edid->height_cm * 10;
2384 mode->type = DRM_MODE_TYPE_DRIVER;
2385 mode->vrefresh = drm_mode_vrefresh(mode);
2386 drm_mode_set_name(mode);
2388 return mode;
2391 static bool
2392 mode_in_hsync_range(const struct drm_display_mode *mode,
2393 struct edid *edid, u8 *t)
2395 int hsync, hmin, hmax;
2397 hmin = t[7];
2398 if (edid->revision >= 4)
2399 hmin += ((t[4] & 0x04) ? 255 : 0);
2400 hmax = t[8];
2401 if (edid->revision >= 4)
2402 hmax += ((t[4] & 0x08) ? 255 : 0);
2403 hsync = drm_mode_hsync(mode);
2405 return (hsync <= hmax && hsync >= hmin);
2408 static bool
2409 mode_in_vsync_range(const struct drm_display_mode *mode,
2410 struct edid *edid, u8 *t)
2412 int vsync, vmin, vmax;
2414 vmin = t[5];
2415 if (edid->revision >= 4)
2416 vmin += ((t[4] & 0x01) ? 255 : 0);
2417 vmax = t[6];
2418 if (edid->revision >= 4)
2419 vmax += ((t[4] & 0x02) ? 255 : 0);
2420 vsync = drm_mode_vrefresh(mode);
2422 return (vsync <= vmax && vsync >= vmin);
2425 static u32
2426 range_pixel_clock(struct edid *edid, u8 *t)
2428 /* unspecified */
2429 if (t[9] == 0 || t[9] == 255)
2430 return 0;
2432 /* 1.4 with CVT support gives us real precision, yay */
2433 if (edid->revision >= 4 && t[10] == 0x04)
2434 return (t[9] * 10000) - ((t[12] >> 2) * 250);
2436 /* 1.3 is pathetic, so fuzz up a bit */
2437 return t[9] * 10000 + 5001;
2440 static bool
2441 mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2442 struct detailed_timing *timing)
2444 u32 max_clock;
2445 u8 *t = (u8 *)timing;
2447 if (!mode_in_hsync_range(mode, edid, t))
2448 return false;
2450 if (!mode_in_vsync_range(mode, edid, t))
2451 return false;
2453 if ((max_clock = range_pixel_clock(edid, t)))
2454 if (mode->clock > max_clock)
2455 return false;
2457 /* 1.4 max horizontal check */
2458 if (edid->revision >= 4 && t[10] == 0x04)
2459 if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2460 return false;
2462 if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2463 return false;
2465 return true;
2468 static bool valid_inferred_mode(const struct drm_connector *connector,
2469 const struct drm_display_mode *mode)
2471 const struct drm_display_mode *m;
2472 bool ok = false;
2474 list_for_each_entry(m, &connector->probed_modes, head) {
2475 if (mode->hdisplay == m->hdisplay &&
2476 mode->vdisplay == m->vdisplay &&
2477 drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2478 return false; /* duplicated */
2479 if (mode->hdisplay <= m->hdisplay &&
2480 mode->vdisplay <= m->vdisplay)
2481 ok = true;
2483 return ok;
2486 static int
2487 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2488 struct detailed_timing *timing)
2490 int i, modes = 0;
2491 struct drm_display_mode *newmode;
2492 struct drm_device *dev = connector->dev;
2494 for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2495 if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2496 valid_inferred_mode(connector, drm_dmt_modes + i)) {
2497 newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2498 if (newmode) {
2499 drm_mode_probed_add(connector, newmode);
2500 modes++;
2505 return modes;
2508 /* fix up 1366x768 mode from 1368x768;
2509 * GFT/CVT can't express 1366 width which isn't dividable by 8
2511 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2513 if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2514 mode->hdisplay = 1366;
2515 mode->hsync_start--;
2516 mode->hsync_end--;
2517 drm_mode_set_name(mode);
2521 static int
2522 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2523 struct detailed_timing *timing)
2525 int i, modes = 0;
2526 struct drm_display_mode *newmode;
2527 struct drm_device *dev = connector->dev;
2529 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2530 const struct minimode *m = &extra_modes[i];
2531 newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2532 if (!newmode)
2533 return modes;
2535 drm_mode_fixup_1366x768(newmode);
2536 if (!mode_in_range(newmode, edid, timing) ||
2537 !valid_inferred_mode(connector, newmode)) {
2538 drm_mode_destroy(dev, newmode);
2539 continue;
2542 drm_mode_probed_add(connector, newmode);
2543 modes++;
2546 return modes;
2549 static int
2550 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2551 struct detailed_timing *timing)
2553 int i, modes = 0;
2554 struct drm_display_mode *newmode;
2555 struct drm_device *dev = connector->dev;
2556 bool rb = drm_monitor_supports_rb(edid);
2558 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2559 const struct minimode *m = &extra_modes[i];
2560 newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2561 if (!newmode)
2562 return modes;
2564 drm_mode_fixup_1366x768(newmode);
2565 if (!mode_in_range(newmode, edid, timing) ||
2566 !valid_inferred_mode(connector, newmode)) {
2567 drm_mode_destroy(dev, newmode);
2568 continue;
2571 drm_mode_probed_add(connector, newmode);
2572 modes++;
2575 return modes;
2578 static void
2579 do_inferred_modes(struct detailed_timing *timing, void *c)
2581 struct detailed_mode_closure *closure = c;
2582 struct detailed_non_pixel *data = &timing->data.other_data;
2583 struct detailed_data_monitor_range *range = &data->data.range;
2585 if (data->type != EDID_DETAIL_MONITOR_RANGE)
2586 return;
2588 closure->modes += drm_dmt_modes_for_range(closure->connector,
2589 closure->edid,
2590 timing);
2592 if (!version_greater(closure->edid, 1, 1))
2593 return; /* GTF not defined yet */
2595 switch (range->flags) {
2596 case 0x02: /* secondary gtf, XXX could do more */
2597 case 0x00: /* default gtf */
2598 closure->modes += drm_gtf_modes_for_range(closure->connector,
2599 closure->edid,
2600 timing);
2601 break;
2602 case 0x04: /* cvt, only in 1.4+ */
2603 if (!version_greater(closure->edid, 1, 3))
2604 break;
2606 closure->modes += drm_cvt_modes_for_range(closure->connector,
2607 closure->edid,
2608 timing);
2609 break;
2610 case 0x01: /* just the ranges, no formula */
2611 default:
2612 break;
2616 static int
2617 add_inferred_modes(struct drm_connector *connector, struct edid *edid)
2619 struct detailed_mode_closure closure = {
2620 .connector = connector,
2621 .edid = edid,
2624 if (version_greater(edid, 1, 0))
2625 drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
2626 &closure);
2628 return closure.modes;
2631 static int
2632 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
2634 int i, j, m, modes = 0;
2635 struct drm_display_mode *mode;
2636 u8 *est = ((u8 *)timing) + 6;
2638 for (i = 0; i < 6; i++) {
2639 for (j = 7; j >= 0; j--) {
2640 m = (i * 8) + (7 - j);
2641 if (m >= ARRAY_SIZE(est3_modes))
2642 break;
2643 if (est[i] & (1 << j)) {
2644 mode = drm_mode_find_dmt(connector->dev,
2645 est3_modes[m].w,
2646 est3_modes[m].h,
2647 est3_modes[m].r,
2648 est3_modes[m].rb);
2649 if (mode) {
2650 drm_mode_probed_add(connector, mode);
2651 modes++;
2657 return modes;
2660 static void
2661 do_established_modes(struct detailed_timing *timing, void *c)
2663 struct detailed_mode_closure *closure = c;
2664 struct detailed_non_pixel *data = &timing->data.other_data;
2666 if (data->type == EDID_DETAIL_EST_TIMINGS)
2667 closure->modes += drm_est3_modes(closure->connector, timing);
2671 * add_established_modes - get est. modes from EDID and add them
2672 * @connector: connector to add mode(s) to
2673 * @edid: EDID block to scan
2675 * Each EDID block contains a bitmap of the supported "established modes" list
2676 * (defined above). Tease them out and add them to the global modes list.
2678 static int
2679 add_established_modes(struct drm_connector *connector, struct edid *edid)
2681 struct drm_device *dev = connector->dev;
2682 unsigned long est_bits = edid->established_timings.t1 |
2683 (edid->established_timings.t2 << 8) |
2684 ((edid->established_timings.mfg_rsvd & 0x80) << 9);
2685 int i, modes = 0;
2686 struct detailed_mode_closure closure = {
2687 .connector = connector,
2688 .edid = edid,
2691 for (i = 0; i <= EDID_EST_TIMINGS; i++) {
2692 if (est_bits & (1<<i)) {
2693 struct drm_display_mode *newmode;
2694 newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
2695 if (newmode) {
2696 drm_mode_probed_add(connector, newmode);
2697 modes++;
2702 if (version_greater(edid, 1, 0))
2703 drm_for_each_detailed_block((u8 *)edid,
2704 do_established_modes, &closure);
2706 return modes + closure.modes;
2709 static void
2710 do_standard_modes(struct detailed_timing *timing, void *c)
2712 struct detailed_mode_closure *closure = c;
2713 struct detailed_non_pixel *data = &timing->data.other_data;
2714 struct drm_connector *connector = closure->connector;
2715 struct edid *edid = closure->edid;
2717 if (data->type == EDID_DETAIL_STD_MODES) {
2718 int i;
2719 for (i = 0; i < 6; i++) {
2720 struct std_timing *std;
2721 struct drm_display_mode *newmode;
2723 std = &data->data.timings[i];
2724 newmode = drm_mode_std(connector, edid, std);
2725 if (newmode) {
2726 drm_mode_probed_add(connector, newmode);
2727 closure->modes++;
2734 * add_standard_modes - get std. modes from EDID and add them
2735 * @connector: connector to add mode(s) to
2736 * @edid: EDID block to scan
2738 * Standard modes can be calculated using the appropriate standard (DMT,
2739 * GTF or CVT. Grab them from @edid and add them to the list.
2741 static int
2742 add_standard_modes(struct drm_connector *connector, struct edid *edid)
2744 int i, modes = 0;
2745 struct detailed_mode_closure closure = {
2746 .connector = connector,
2747 .edid = edid,
2750 for (i = 0; i < EDID_STD_TIMINGS; i++) {
2751 struct drm_display_mode *newmode;
2753 newmode = drm_mode_std(connector, edid,
2754 &edid->standard_timings[i]);
2755 if (newmode) {
2756 drm_mode_probed_add(connector, newmode);
2757 modes++;
2761 if (version_greater(edid, 1, 0))
2762 drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
2763 &closure);
2765 /* XXX should also look for standard codes in VTB blocks */
2767 return modes + closure.modes;
2770 static int drm_cvt_modes(struct drm_connector *connector,
2771 struct detailed_timing *timing)
2773 int i, j, modes = 0;
2774 struct drm_display_mode *newmode;
2775 struct drm_device *dev = connector->dev;
2776 struct cvt_timing *cvt;
2777 const int rates[] = { 60, 85, 75, 60, 50 };
2778 const u8 empty[3] = { 0, 0, 0 };
2780 for (i = 0; i < 4; i++) {
2781 int uninitialized_var(width), height;
2782 cvt = &(timing->data.other_data.data.cvt[i]);
2784 if (!memcmp(cvt->code, empty, 3))
2785 continue;
2787 height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
2788 switch (cvt->code[1] & 0x0c) {
2789 case 0x00:
2790 width = height * 4 / 3;
2791 break;
2792 case 0x04:
2793 width = height * 16 / 9;
2794 break;
2795 case 0x08:
2796 width = height * 16 / 10;
2797 break;
2798 case 0x0c:
2799 width = height * 15 / 9;
2800 break;
2803 for (j = 1; j < 5; j++) {
2804 if (cvt->code[2] & (1 << j)) {
2805 newmode = drm_cvt_mode(dev, width, height,
2806 rates[j], j == 0,
2807 false, false);
2808 if (newmode) {
2809 drm_mode_probed_add(connector, newmode);
2810 modes++;
2816 return modes;
2819 static void
2820 do_cvt_mode(struct detailed_timing *timing, void *c)
2822 struct detailed_mode_closure *closure = c;
2823 struct detailed_non_pixel *data = &timing->data.other_data;
2825 if (data->type == EDID_DETAIL_CVT_3BYTE)
2826 closure->modes += drm_cvt_modes(closure->connector, timing);
2829 static int
2830 add_cvt_modes(struct drm_connector *connector, struct edid *edid)
2832 struct detailed_mode_closure closure = {
2833 .connector = connector,
2834 .edid = edid,
2837 if (version_greater(edid, 1, 2))
2838 drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
2840 /* XXX should also look for CVT codes in VTB blocks */
2842 return closure.modes;
2845 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
2847 static void
2848 do_detailed_mode(struct detailed_timing *timing, void *c)
2850 struct detailed_mode_closure *closure = c;
2851 struct drm_display_mode *newmode;
2853 if (timing->pixel_clock) {
2854 newmode = drm_mode_detailed(closure->connector->dev,
2855 closure->edid, timing,
2856 closure->quirks);
2857 if (!newmode)
2858 return;
2860 if (closure->preferred)
2861 newmode->type |= DRM_MODE_TYPE_PREFERRED;
2864 * Detailed modes are limited to 10kHz pixel clock resolution,
2865 * so fix up anything that looks like CEA/HDMI mode, but the clock
2866 * is just slightly off.
2868 fixup_detailed_cea_mode_clock(newmode);
2870 drm_mode_probed_add(closure->connector, newmode);
2871 closure->modes++;
2872 closure->preferred = false;
2877 * add_detailed_modes - Add modes from detailed timings
2878 * @connector: attached connector
2879 * @edid: EDID block to scan
2880 * @quirks: quirks to apply
2882 static int
2883 add_detailed_modes(struct drm_connector *connector, struct edid *edid,
2884 u32 quirks)
2886 struct detailed_mode_closure closure = {
2887 .connector = connector,
2888 .edid = edid,
2889 .preferred = true,
2890 .quirks = quirks,
2893 if (closure.preferred && !version_greater(edid, 1, 3))
2894 closure.preferred =
2895 (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
2897 drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
2899 return closure.modes;
2902 #define AUDIO_BLOCK 0x01
2903 #define VIDEO_BLOCK 0x02
2904 #define VENDOR_BLOCK 0x03
2905 #define SPEAKER_BLOCK 0x04
2906 #define USE_EXTENDED_TAG 0x07
2907 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
2908 #define EXT_VIDEO_DATA_BLOCK_420 0x0E
2909 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
2910 #define EDID_BASIC_AUDIO (1 << 6)
2911 #define EDID_CEA_YCRCB444 (1 << 5)
2912 #define EDID_CEA_YCRCB422 (1 << 4)
2913 #define EDID_CEA_VCDB_QS (1 << 6)
2916 * Search EDID for CEA extension block.
2918 static u8 *drm_find_edid_extension(const struct edid *edid, int ext_id)
2920 u8 *edid_ext = NULL;
2921 int i;
2923 /* No EDID or EDID extensions */
2924 if (edid == NULL || edid->extensions == 0)
2925 return NULL;
2927 /* Find CEA extension */
2928 for (i = 0; i < edid->extensions; i++) {
2929 edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
2930 if (edid_ext[0] == ext_id)
2931 break;
2934 if (i == edid->extensions)
2935 return NULL;
2937 return edid_ext;
2941 static u8 *drm_find_displayid_extension(const struct edid *edid)
2943 return drm_find_edid_extension(edid, DISPLAYID_EXT);
2946 static u8 *drm_find_cea_extension(const struct edid *edid)
2948 int ret;
2949 int idx = 1;
2950 int length = EDID_LENGTH;
2951 struct displayid_block *block;
2952 u8 *cea;
2953 u8 *displayid;
2955 /* Look for a top level CEA extension block */
2956 cea = drm_find_edid_extension(edid, CEA_EXT);
2957 if (cea)
2958 return cea;
2960 /* CEA blocks can also be found embedded in a DisplayID block */
2961 displayid = drm_find_displayid_extension(edid);
2962 if (!displayid)
2963 return NULL;
2965 ret = validate_displayid(displayid, length, idx);
2966 if (ret)
2967 return NULL;
2969 idx += sizeof(struct displayid_hdr);
2970 for_each_displayid_db(displayid, block, idx, length) {
2971 if (block->tag == DATA_BLOCK_CTA) {
2972 cea = (u8 *)block;
2973 break;
2977 return cea;
2981 * Calculate the alternate clock for the CEA mode
2982 * (60Hz vs. 59.94Hz etc.)
2984 static unsigned int
2985 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
2987 unsigned int clock = cea_mode->clock;
2989 if (cea_mode->vrefresh % 6 != 0)
2990 return clock;
2993 * edid_cea_modes contains the 59.94Hz
2994 * variant for 240 and 480 line modes,
2995 * and the 60Hz variant otherwise.
2997 if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
2998 clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
2999 else
3000 clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3002 return clock;
3005 static bool
3006 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3009 * For certain VICs the spec allows the vertical
3010 * front porch to vary by one or two lines.
3012 * cea_modes[] stores the variant with the shortest
3013 * vertical front porch. We can adjust the mode to
3014 * get the other variants by simply increasing the
3015 * vertical front porch length.
3017 BUILD_BUG_ON(edid_cea_modes[8].vtotal != 262 ||
3018 edid_cea_modes[9].vtotal != 262 ||
3019 edid_cea_modes[12].vtotal != 262 ||
3020 edid_cea_modes[13].vtotal != 262 ||
3021 edid_cea_modes[23].vtotal != 312 ||
3022 edid_cea_modes[24].vtotal != 312 ||
3023 edid_cea_modes[27].vtotal != 312 ||
3024 edid_cea_modes[28].vtotal != 312);
3026 if (((vic == 8 || vic == 9 ||
3027 vic == 12 || vic == 13) && mode->vtotal < 263) ||
3028 ((vic == 23 || vic == 24 ||
3029 vic == 27 || vic == 28) && mode->vtotal < 314)) {
3030 mode->vsync_start++;
3031 mode->vsync_end++;
3032 mode->vtotal++;
3034 return true;
3037 return false;
3040 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3041 unsigned int clock_tolerance)
3043 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3044 u8 vic;
3046 if (!to_match->clock)
3047 return 0;
3049 if (to_match->picture_aspect_ratio)
3050 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3052 for (vic = 1; vic < ARRAY_SIZE(edid_cea_modes); vic++) {
3053 struct drm_display_mode cea_mode = edid_cea_modes[vic];
3054 unsigned int clock1, clock2;
3056 /* Check both 60Hz and 59.94Hz */
3057 clock1 = cea_mode.clock;
3058 clock2 = cea_mode_alternate_clock(&cea_mode);
3060 if (abs(to_match->clock - clock1) > clock_tolerance &&
3061 abs(to_match->clock - clock2) > clock_tolerance)
3062 continue;
3064 do {
3065 if (drm_mode_match(to_match, &cea_mode, match_flags))
3066 return vic;
3067 } while (cea_mode_alternate_timings(vic, &cea_mode));
3070 return 0;
3074 * drm_match_cea_mode - look for a CEA mode matching given mode
3075 * @to_match: display mode
3077 * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3078 * mode.
3080 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3082 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3083 u8 vic;
3085 if (!to_match->clock)
3086 return 0;
3088 if (to_match->picture_aspect_ratio)
3089 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3091 for (vic = 1; vic < ARRAY_SIZE(edid_cea_modes); vic++) {
3092 struct drm_display_mode cea_mode = edid_cea_modes[vic];
3093 unsigned int clock1, clock2;
3095 /* Check both 60Hz and 59.94Hz */
3096 clock1 = cea_mode.clock;
3097 clock2 = cea_mode_alternate_clock(&cea_mode);
3099 if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3100 KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3101 continue;
3103 do {
3104 if (drm_mode_match(to_match, &cea_mode, match_flags))
3105 return vic;
3106 } while (cea_mode_alternate_timings(vic, &cea_mode));
3109 return 0;
3111 EXPORT_SYMBOL(drm_match_cea_mode);
3113 static bool drm_valid_cea_vic(u8 vic)
3115 return vic > 0 && vic < ARRAY_SIZE(edid_cea_modes);
3119 * drm_get_cea_aspect_ratio - get the picture aspect ratio corresponding to
3120 * the input VIC from the CEA mode list
3121 * @video_code: ID given to each of the CEA modes
3123 * Returns picture aspect ratio
3125 enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3127 return edid_cea_modes[video_code].picture_aspect_ratio;
3129 EXPORT_SYMBOL(drm_get_cea_aspect_ratio);
3132 * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3133 * specific block).
3135 * It's almost like cea_mode_alternate_clock(), we just need to add an
3136 * exception for the VIC 4 mode (4096x2160@24Hz): no alternate clock for this
3137 * one.
3139 static unsigned int
3140 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3142 if (hdmi_mode->vdisplay == 4096 && hdmi_mode->hdisplay == 2160)
3143 return hdmi_mode->clock;
3145 return cea_mode_alternate_clock(hdmi_mode);
3148 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3149 unsigned int clock_tolerance)
3151 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3152 u8 vic;
3154 if (!to_match->clock)
3155 return 0;
3157 for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3158 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3159 unsigned int clock1, clock2;
3161 /* Make sure to also match alternate clocks */
3162 clock1 = hdmi_mode->clock;
3163 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3165 if (abs(to_match->clock - clock1) > clock_tolerance &&
3166 abs(to_match->clock - clock2) > clock_tolerance)
3167 continue;
3169 if (drm_mode_match(to_match, hdmi_mode, match_flags))
3170 return vic;
3173 return 0;
3177 * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3178 * @to_match: display mode
3180 * An HDMI mode is one defined in the HDMI vendor specific block.
3182 * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3184 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3186 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3187 u8 vic;
3189 if (!to_match->clock)
3190 return 0;
3192 for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3193 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3194 unsigned int clock1, clock2;
3196 /* Make sure to also match alternate clocks */
3197 clock1 = hdmi_mode->clock;
3198 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3200 if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3201 KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3202 drm_mode_match(to_match, hdmi_mode, match_flags))
3203 return vic;
3205 return 0;
3208 static bool drm_valid_hdmi_vic(u8 vic)
3210 return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3213 static int
3214 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3216 struct drm_device *dev = connector->dev;
3217 struct drm_display_mode *mode, *tmp;
3218 LIST_HEAD(list);
3219 int modes = 0;
3221 /* Don't add CEA modes if the CEA extension block is missing */
3222 if (!drm_find_cea_extension(edid))
3223 return 0;
3226 * Go through all probed modes and create a new mode
3227 * with the alternate clock for certain CEA modes.
3229 list_for_each_entry(mode, &connector->probed_modes, head) {
3230 const struct drm_display_mode *cea_mode = NULL;
3231 struct drm_display_mode *newmode;
3232 u8 vic = drm_match_cea_mode(mode);
3233 unsigned int clock1, clock2;
3235 if (drm_valid_cea_vic(vic)) {
3236 cea_mode = &edid_cea_modes[vic];
3237 clock2 = cea_mode_alternate_clock(cea_mode);
3238 } else {
3239 vic = drm_match_hdmi_mode(mode);
3240 if (drm_valid_hdmi_vic(vic)) {
3241 cea_mode = &edid_4k_modes[vic];
3242 clock2 = hdmi_mode_alternate_clock(cea_mode);
3246 if (!cea_mode)
3247 continue;
3249 clock1 = cea_mode->clock;
3251 if (clock1 == clock2)
3252 continue;
3254 if (mode->clock != clock1 && mode->clock != clock2)
3255 continue;
3257 newmode = drm_mode_duplicate(dev, cea_mode);
3258 if (!newmode)
3259 continue;
3261 /* Carry over the stereo flags */
3262 newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3265 * The current mode could be either variant. Make
3266 * sure to pick the "other" clock for the new mode.
3268 if (mode->clock != clock1)
3269 newmode->clock = clock1;
3270 else
3271 newmode->clock = clock2;
3273 list_add_tail(&newmode->head, &list);
3276 list_for_each_entry_safe(mode, tmp, &list, head) {
3277 list_del(&mode->head);
3278 drm_mode_probed_add(connector, mode);
3279 modes++;
3282 return modes;
3285 static u8 svd_to_vic(u8 svd)
3287 /* 0-6 bit vic, 7th bit native mode indicator */
3288 if ((svd >= 1 && svd <= 64) || (svd >= 129 && svd <= 192))
3289 return svd & 127;
3291 return svd;
3294 static struct drm_display_mode *
3295 drm_display_mode_from_vic_index(struct drm_connector *connector,
3296 const u8 *video_db, u8 video_len,
3297 u8 video_index)
3299 struct drm_device *dev = connector->dev;
3300 struct drm_display_mode *newmode;
3301 u8 vic;
3303 if (video_db == NULL || video_index >= video_len)
3304 return NULL;
3306 /* CEA modes are numbered 1..127 */
3307 vic = svd_to_vic(video_db[video_index]);
3308 if (!drm_valid_cea_vic(vic))
3309 return NULL;
3311 newmode = drm_mode_duplicate(dev, &edid_cea_modes[vic]);
3312 if (!newmode)
3313 return NULL;
3315 newmode->vrefresh = 0;
3317 return newmode;
3321 * do_y420vdb_modes - Parse YCBCR 420 only modes
3322 * @connector: connector corresponding to the HDMI sink
3323 * @svds: start of the data block of CEA YCBCR 420 VDB
3324 * @len: length of the CEA YCBCR 420 VDB
3326 * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3327 * which contains modes which can be supported in YCBCR 420
3328 * output format only.
3330 static int do_y420vdb_modes(struct drm_connector *connector,
3331 const u8 *svds, u8 svds_len)
3333 int modes = 0, i;
3334 struct drm_device *dev = connector->dev;
3335 struct drm_display_info *info = &connector->display_info;
3336 struct drm_hdmi_info *hdmi = &info->hdmi;
3338 for (i = 0; i < svds_len; i++) {
3339 u8 vic = svd_to_vic(svds[i]);
3340 struct drm_display_mode *newmode;
3342 if (!drm_valid_cea_vic(vic))
3343 continue;
3345 newmode = drm_mode_duplicate(dev, &edid_cea_modes[vic]);
3346 if (!newmode)
3347 break;
3348 bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3349 drm_mode_probed_add(connector, newmode);
3350 modes++;
3353 if (modes > 0)
3354 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3355 return modes;
3359 * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3360 * @connector: connector corresponding to the HDMI sink
3361 * @vic: CEA vic for the video mode to be added in the map
3363 * Makes an entry for a videomode in the YCBCR 420 bitmap
3365 static void
3366 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3368 u8 vic = svd_to_vic(svd);
3369 struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3371 if (!drm_valid_cea_vic(vic))
3372 return;
3374 bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3377 static int
3378 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3380 int i, modes = 0;
3381 struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3383 for (i = 0; i < len; i++) {
3384 struct drm_display_mode *mode;
3385 mode = drm_display_mode_from_vic_index(connector, db, len, i);
3386 if (mode) {
3388 * YCBCR420 capability block contains a bitmap which
3389 * gives the index of CEA modes from CEA VDB, which
3390 * can support YCBCR 420 sampling output also (apart
3391 * from RGB/YCBCR444 etc).
3392 * For example, if the bit 0 in bitmap is set,
3393 * first mode in VDB can support YCBCR420 output too.
3394 * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
3396 if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
3397 drm_add_cmdb_modes(connector, db[i]);
3399 drm_mode_probed_add(connector, mode);
3400 modes++;
3404 return modes;
3407 struct stereo_mandatory_mode {
3408 int width, height, vrefresh;
3409 unsigned int flags;
3412 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3413 { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3414 { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3415 { 1920, 1080, 50,
3416 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3417 { 1920, 1080, 60,
3418 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3419 { 1280, 720, 50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3420 { 1280, 720, 50, DRM_MODE_FLAG_3D_FRAME_PACKING },
3421 { 1280, 720, 60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3422 { 1280, 720, 60, DRM_MODE_FLAG_3D_FRAME_PACKING }
3425 static bool
3426 stereo_match_mandatory(const struct drm_display_mode *mode,
3427 const struct stereo_mandatory_mode *stereo_mode)
3429 unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
3431 return mode->hdisplay == stereo_mode->width &&
3432 mode->vdisplay == stereo_mode->height &&
3433 interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
3434 drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
3437 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
3439 struct drm_device *dev = connector->dev;
3440 const struct drm_display_mode *mode;
3441 struct list_head stereo_modes;
3442 int modes = 0, i;
3444 INIT_LIST_HEAD(&stereo_modes);
3446 list_for_each_entry(mode, &connector->probed_modes, head) {
3447 for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
3448 const struct stereo_mandatory_mode *mandatory;
3449 struct drm_display_mode *new_mode;
3451 if (!stereo_match_mandatory(mode,
3452 &stereo_mandatory_modes[i]))
3453 continue;
3455 mandatory = &stereo_mandatory_modes[i];
3456 new_mode = drm_mode_duplicate(dev, mode);
3457 if (!new_mode)
3458 continue;
3460 new_mode->flags |= mandatory->flags;
3461 list_add_tail(&new_mode->head, &stereo_modes);
3462 modes++;
3466 list_splice_tail(&stereo_modes, &connector->probed_modes);
3468 return modes;
3471 static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
3473 struct drm_device *dev = connector->dev;
3474 struct drm_display_mode *newmode;
3476 if (!drm_valid_hdmi_vic(vic)) {
3477 DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
3478 return 0;
3481 newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
3482 if (!newmode)
3483 return 0;
3485 drm_mode_probed_add(connector, newmode);
3487 return 1;
3490 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
3491 const u8 *video_db, u8 video_len, u8 video_index)
3493 struct drm_display_mode *newmode;
3494 int modes = 0;
3496 if (structure & (1 << 0)) {
3497 newmode = drm_display_mode_from_vic_index(connector, video_db,
3498 video_len,
3499 video_index);
3500 if (newmode) {
3501 newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
3502 drm_mode_probed_add(connector, newmode);
3503 modes++;
3506 if (structure & (1 << 6)) {
3507 newmode = drm_display_mode_from_vic_index(connector, video_db,
3508 video_len,
3509 video_index);
3510 if (newmode) {
3511 newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3512 drm_mode_probed_add(connector, newmode);
3513 modes++;
3516 if (structure & (1 << 8)) {
3517 newmode = drm_display_mode_from_vic_index(connector, video_db,
3518 video_len,
3519 video_index);
3520 if (newmode) {
3521 newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3522 drm_mode_probed_add(connector, newmode);
3523 modes++;
3527 return modes;
3531 * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
3532 * @connector: connector corresponding to the HDMI sink
3533 * @db: start of the CEA vendor specific block
3534 * @len: length of the CEA block payload, ie. one can access up to db[len]
3536 * Parses the HDMI VSDB looking for modes to add to @connector. This function
3537 * also adds the stereo 3d modes when applicable.
3539 static int
3540 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
3541 const u8 *video_db, u8 video_len)
3543 struct drm_display_info *info = &connector->display_info;
3544 int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3545 u8 vic_len, hdmi_3d_len = 0;
3546 u16 mask;
3547 u16 structure_all;
3549 if (len < 8)
3550 goto out;
3552 /* no HDMI_Video_Present */
3553 if (!(db[8] & (1 << 5)))
3554 goto out;
3556 /* Latency_Fields_Present */
3557 if (db[8] & (1 << 7))
3558 offset += 2;
3560 /* I_Latency_Fields_Present */
3561 if (db[8] & (1 << 6))
3562 offset += 2;
3564 /* the declared length is not long enough for the 2 first bytes
3565 * of additional video format capabilities */
3566 if (len < (8 + offset + 2))
3567 goto out;
3569 /* 3D_Present */
3570 offset++;
3571 if (db[8 + offset] & (1 << 7)) {
3572 modes += add_hdmi_mandatory_stereo_modes(connector);
3574 /* 3D_Multi_present */
3575 multi_present = (db[8 + offset] & 0x60) >> 5;
3578 offset++;
3579 vic_len = db[8 + offset] >> 5;
3580 hdmi_3d_len = db[8 + offset] & 0x1f;
3582 for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
3583 u8 vic;
3585 vic = db[9 + offset + i];
3586 modes += add_hdmi_mode(connector, vic);
3588 offset += 1 + vic_len;
3590 if (multi_present == 1)
3591 multi_len = 2;
3592 else if (multi_present == 2)
3593 multi_len = 4;
3594 else
3595 multi_len = 0;
3597 if (len < (8 + offset + hdmi_3d_len - 1))
3598 goto out;
3600 if (hdmi_3d_len < multi_len)
3601 goto out;
3603 if (multi_present == 1 || multi_present == 2) {
3604 /* 3D_Structure_ALL */
3605 structure_all = (db[8 + offset] << 8) | db[9 + offset];
3607 /* check if 3D_MASK is present */
3608 if (multi_present == 2)
3609 mask = (db[10 + offset] << 8) | db[11 + offset];
3610 else
3611 mask = 0xffff;
3613 for (i = 0; i < 16; i++) {
3614 if (mask & (1 << i))
3615 modes += add_3d_struct_modes(connector,
3616 structure_all,
3617 video_db,
3618 video_len, i);
3622 offset += multi_len;
3624 for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
3625 int vic_index;
3626 struct drm_display_mode *newmode = NULL;
3627 unsigned int newflag = 0;
3628 bool detail_present;
3630 detail_present = ((db[8 + offset + i] & 0x0f) > 7);
3632 if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
3633 break;
3635 /* 2D_VIC_order_X */
3636 vic_index = db[8 + offset + i] >> 4;
3638 /* 3D_Structure_X */
3639 switch (db[8 + offset + i] & 0x0f) {
3640 case 0:
3641 newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
3642 break;
3643 case 6:
3644 newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3645 break;
3646 case 8:
3647 /* 3D_Detail_X */
3648 if ((db[9 + offset + i] >> 4) == 1)
3649 newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3650 break;
3653 if (newflag != 0) {
3654 newmode = drm_display_mode_from_vic_index(connector,
3655 video_db,
3656 video_len,
3657 vic_index);
3659 if (newmode) {
3660 newmode->flags |= newflag;
3661 drm_mode_probed_add(connector, newmode);
3662 modes++;
3666 if (detail_present)
3667 i++;
3670 out:
3671 if (modes > 0)
3672 info->has_hdmi_infoframe = true;
3673 return modes;
3676 static int
3677 cea_db_payload_len(const u8 *db)
3679 return db[0] & 0x1f;
3682 static int
3683 cea_db_extended_tag(const u8 *db)
3685 return db[1];
3688 static int
3689 cea_db_tag(const u8 *db)
3691 return db[0] >> 5;
3694 static int
3695 cea_revision(const u8 *cea)
3697 return cea[1];
3700 static int
3701 cea_db_offsets(const u8 *cea, int *start, int *end)
3703 /* DisplayID CTA extension blocks and top-level CEA EDID
3704 * block header definitions differ in the following bytes:
3705 * 1) Byte 2 of the header specifies length differently,
3706 * 2) Byte 3 is only present in the CEA top level block.
3708 * The different definitions for byte 2 follow.
3710 * DisplayID CTA extension block defines byte 2 as:
3711 * Number of payload bytes
3713 * CEA EDID block defines byte 2 as:
3714 * Byte number (decimal) within this block where the 18-byte
3715 * DTDs begin. If no non-DTD data is present in this extension
3716 * block, the value should be set to 04h (the byte after next).
3717 * If set to 00h, there are no DTDs present in this block and
3718 * no non-DTD data.
3720 if (cea[0] == DATA_BLOCK_CTA) {
3721 *start = 3;
3722 *end = *start + cea[2];
3723 } else if (cea[0] == CEA_EXT) {
3724 /* Data block offset in CEA extension block */
3725 *start = 4;
3726 *end = cea[2];
3727 if (*end == 0)
3728 *end = 127;
3729 if (*end < 4 || *end > 127)
3730 return -ERANGE;
3731 } else {
3732 return -ENOTSUPP;
3735 return 0;
3738 static bool cea_db_is_hdmi_vsdb(const u8 *db)
3740 int hdmi_id;
3742 if (cea_db_tag(db) != VENDOR_BLOCK)
3743 return false;
3745 if (cea_db_payload_len(db) < 5)
3746 return false;
3748 hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
3750 return hdmi_id == HDMI_IEEE_OUI;
3753 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
3755 unsigned int oui;
3757 if (cea_db_tag(db) != VENDOR_BLOCK)
3758 return false;
3760 if (cea_db_payload_len(db) < 7)
3761 return false;
3763 oui = db[3] << 16 | db[2] << 8 | db[1];
3765 return oui == HDMI_FORUM_IEEE_OUI;
3768 static bool cea_db_is_y420cmdb(const u8 *db)
3770 if (cea_db_tag(db) != USE_EXTENDED_TAG)
3771 return false;
3773 if (!cea_db_payload_len(db))
3774 return false;
3776 if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
3777 return false;
3779 return true;
3782 static bool cea_db_is_y420vdb(const u8 *db)
3784 if (cea_db_tag(db) != USE_EXTENDED_TAG)
3785 return false;
3787 if (!cea_db_payload_len(db))
3788 return false;
3790 if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
3791 return false;
3793 return true;
3796 #define for_each_cea_db(cea, i, start, end) \
3797 for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
3799 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
3800 const u8 *db)
3802 struct drm_display_info *info = &connector->display_info;
3803 struct drm_hdmi_info *hdmi = &info->hdmi;
3804 u8 map_len = cea_db_payload_len(db) - 1;
3805 u8 count;
3806 u64 map = 0;
3808 if (map_len == 0) {
3809 /* All CEA modes support ycbcr420 sampling also.*/
3810 hdmi->y420_cmdb_map = U64_MAX;
3811 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3812 return;
3816 * This map indicates which of the existing CEA block modes
3817 * from VDB can support YCBCR420 output too. So if bit=0 is
3818 * set, first mode from VDB can support YCBCR420 output too.
3819 * We will parse and keep this map, before parsing VDB itself
3820 * to avoid going through the same block again and again.
3822 * Spec is not clear about max possible size of this block.
3823 * Clamping max bitmap block size at 8 bytes. Every byte can
3824 * address 8 CEA modes, in this way this map can address
3825 * 8*8 = first 64 SVDs.
3827 if (WARN_ON_ONCE(map_len > 8))
3828 map_len = 8;
3830 for (count = 0; count < map_len; count++)
3831 map |= (u64)db[2 + count] << (8 * count);
3833 if (map)
3834 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3836 hdmi->y420_cmdb_map = map;
3839 static int
3840 add_cea_modes(struct drm_connector *connector, struct edid *edid)
3842 const u8 *cea = drm_find_cea_extension(edid);
3843 const u8 *db, *hdmi = NULL, *video = NULL;
3844 u8 dbl, hdmi_len, video_len = 0;
3845 int modes = 0;
3847 if (cea && cea_revision(cea) >= 3) {
3848 int i, start, end;
3850 if (cea_db_offsets(cea, &start, &end))
3851 return 0;
3853 for_each_cea_db(cea, i, start, end) {
3854 db = &cea[i];
3855 dbl = cea_db_payload_len(db);
3857 if (cea_db_tag(db) == VIDEO_BLOCK) {
3858 video = db + 1;
3859 video_len = dbl;
3860 modes += do_cea_modes(connector, video, dbl);
3861 } else if (cea_db_is_hdmi_vsdb(db)) {
3862 hdmi = db;
3863 hdmi_len = dbl;
3864 } else if (cea_db_is_y420vdb(db)) {
3865 const u8 *vdb420 = &db[2];
3867 /* Add 4:2:0(only) modes present in EDID */
3868 modes += do_y420vdb_modes(connector,
3869 vdb420,
3870 dbl - 1);
3876 * We parse the HDMI VSDB after having added the cea modes as we will
3877 * be patching their flags when the sink supports stereo 3D.
3879 if (hdmi)
3880 modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
3881 video_len);
3883 return modes;
3886 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
3888 const struct drm_display_mode *cea_mode;
3889 int clock1, clock2, clock;
3890 u8 vic;
3891 const char *type;
3894 * allow 5kHz clock difference either way to account for
3895 * the 10kHz clock resolution limit of detailed timings.
3897 vic = drm_match_cea_mode_clock_tolerance(mode, 5);
3898 if (drm_valid_cea_vic(vic)) {
3899 type = "CEA";
3900 cea_mode = &edid_cea_modes[vic];
3901 clock1 = cea_mode->clock;
3902 clock2 = cea_mode_alternate_clock(cea_mode);
3903 } else {
3904 vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
3905 if (drm_valid_hdmi_vic(vic)) {
3906 type = "HDMI";
3907 cea_mode = &edid_4k_modes[vic];
3908 clock1 = cea_mode->clock;
3909 clock2 = hdmi_mode_alternate_clock(cea_mode);
3910 } else {
3911 return;
3915 /* pick whichever is closest */
3916 if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
3917 clock = clock1;
3918 else
3919 clock = clock2;
3921 if (mode->clock == clock)
3922 return;
3924 DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
3925 type, vic, mode->clock, clock);
3926 mode->clock = clock;
3929 static void
3930 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
3932 u8 len = cea_db_payload_len(db);
3934 if (len >= 6 && (db[6] & (1 << 7)))
3935 connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
3936 if (len >= 8) {
3937 connector->latency_present[0] = db[8] >> 7;
3938 connector->latency_present[1] = (db[8] >> 6) & 1;
3940 if (len >= 9)
3941 connector->video_latency[0] = db[9];
3942 if (len >= 10)
3943 connector->audio_latency[0] = db[10];
3944 if (len >= 11)
3945 connector->video_latency[1] = db[11];
3946 if (len >= 12)
3947 connector->audio_latency[1] = db[12];
3949 DRM_DEBUG_KMS("HDMI: latency present %d %d, "
3950 "video latency %d %d, "
3951 "audio latency %d %d\n",
3952 connector->latency_present[0],
3953 connector->latency_present[1],
3954 connector->video_latency[0],
3955 connector->video_latency[1],
3956 connector->audio_latency[0],
3957 connector->audio_latency[1]);
3960 static void
3961 monitor_name(struct detailed_timing *t, void *data)
3963 if (t->data.other_data.type == EDID_DETAIL_MONITOR_NAME)
3964 *(u8 **)data = t->data.other_data.data.str.str;
3967 static int get_monitor_name(struct edid *edid, char name[13])
3969 char *edid_name = NULL;
3970 int mnl;
3972 if (!edid || !name)
3973 return 0;
3975 drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
3976 for (mnl = 0; edid_name && mnl < 13; mnl++) {
3977 if (edid_name[mnl] == 0x0a)
3978 break;
3980 name[mnl] = edid_name[mnl];
3983 return mnl;
3987 * drm_edid_get_monitor_name - fetch the monitor name from the edid
3988 * @edid: monitor EDID information
3989 * @name: pointer to a character array to hold the name of the monitor
3990 * @bufsize: The size of the name buffer (should be at least 14 chars.)
3993 void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
3995 int name_length;
3996 char buf[13];
3998 if (bufsize <= 0)
3999 return;
4001 name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4002 memcpy(name, buf, name_length);
4003 name[name_length] = '\0';
4005 EXPORT_SYMBOL(drm_edid_get_monitor_name);
4007 static void clear_eld(struct drm_connector *connector)
4009 memset(connector->eld, 0, sizeof(connector->eld));
4011 connector->latency_present[0] = false;
4012 connector->latency_present[1] = false;
4013 connector->video_latency[0] = 0;
4014 connector->audio_latency[0] = 0;
4015 connector->video_latency[1] = 0;
4016 connector->audio_latency[1] = 0;
4020 * drm_edid_to_eld - build ELD from EDID
4021 * @connector: connector corresponding to the HDMI/DP sink
4022 * @edid: EDID to parse
4024 * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4025 * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4027 static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
4029 uint8_t *eld = connector->eld;
4030 u8 *cea;
4031 u8 *db;
4032 int total_sad_count = 0;
4033 int mnl;
4034 int dbl;
4036 clear_eld(connector);
4038 if (!edid)
4039 return;
4041 cea = drm_find_cea_extension(edid);
4042 if (!cea) {
4043 DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4044 return;
4047 mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4048 DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4050 eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4051 eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4053 eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4055 eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4056 eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4057 eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4058 eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4060 if (cea_revision(cea) >= 3) {
4061 int i, start, end;
4063 if (cea_db_offsets(cea, &start, &end)) {
4064 start = 0;
4065 end = 0;
4068 for_each_cea_db(cea, i, start, end) {
4069 db = &cea[i];
4070 dbl = cea_db_payload_len(db);
4072 switch (cea_db_tag(db)) {
4073 int sad_count;
4075 case AUDIO_BLOCK:
4076 /* Audio Data Block, contains SADs */
4077 sad_count = min(dbl / 3, 15 - total_sad_count);
4078 if (sad_count >= 1)
4079 memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4080 &db[1], sad_count * 3);
4081 total_sad_count += sad_count;
4082 break;
4083 case SPEAKER_BLOCK:
4084 /* Speaker Allocation Data Block */
4085 if (dbl >= 1)
4086 eld[DRM_ELD_SPEAKER] = db[1];
4087 break;
4088 case VENDOR_BLOCK:
4089 /* HDMI Vendor-Specific Data Block */
4090 if (cea_db_is_hdmi_vsdb(db))
4091 drm_parse_hdmi_vsdb_audio(connector, db);
4092 break;
4093 default:
4094 break;
4098 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4100 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4101 connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4102 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4103 else
4104 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4106 eld[DRM_ELD_BASELINE_ELD_LEN] =
4107 DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4109 DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4110 drm_eld_size(eld), total_sad_count);
4114 * drm_edid_to_sad - extracts SADs from EDID
4115 * @edid: EDID to parse
4116 * @sads: pointer that will be set to the extracted SADs
4118 * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4120 * Note: The returned pointer needs to be freed using kfree().
4122 * Return: The number of found SADs or negative number on error.
4124 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
4126 int count = 0;
4127 int i, start, end, dbl;
4128 u8 *cea;
4130 cea = drm_find_cea_extension(edid);
4131 if (!cea) {
4132 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4133 return -ENOENT;
4136 if (cea_revision(cea) < 3) {
4137 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4138 return -ENOTSUPP;
4141 if (cea_db_offsets(cea, &start, &end)) {
4142 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4143 return -EPROTO;
4146 for_each_cea_db(cea, i, start, end) {
4147 u8 *db = &cea[i];
4149 if (cea_db_tag(db) == AUDIO_BLOCK) {
4150 int j;
4151 dbl = cea_db_payload_len(db);
4153 count = dbl / 3; /* SAD is 3B */
4154 *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4155 if (!*sads)
4156 return -ENOMEM;
4157 for (j = 0; j < count; j++) {
4158 u8 *sad = &db[1 + j * 3];
4160 (*sads)[j].format = (sad[0] & 0x78) >> 3;
4161 (*sads)[j].channels = sad[0] & 0x7;
4162 (*sads)[j].freq = sad[1] & 0x7F;
4163 (*sads)[j].byte2 = sad[2];
4165 break;
4169 return count;
4171 EXPORT_SYMBOL(drm_edid_to_sad);
4174 * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4175 * @edid: EDID to parse
4176 * @sadb: pointer to the speaker block
4178 * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4180 * Note: The returned pointer needs to be freed using kfree().
4182 * Return: The number of found Speaker Allocation Blocks or negative number on
4183 * error.
4185 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
4187 int count = 0;
4188 int i, start, end, dbl;
4189 const u8 *cea;
4191 cea = drm_find_cea_extension(edid);
4192 if (!cea) {
4193 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4194 return -ENOENT;
4197 if (cea_revision(cea) < 3) {
4198 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4199 return -ENOTSUPP;
4202 if (cea_db_offsets(cea, &start, &end)) {
4203 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4204 return -EPROTO;
4207 for_each_cea_db(cea, i, start, end) {
4208 const u8 *db = &cea[i];
4210 if (cea_db_tag(db) == SPEAKER_BLOCK) {
4211 dbl = cea_db_payload_len(db);
4213 /* Speaker Allocation Data Block */
4214 if (dbl == 3) {
4215 *sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4216 if (!*sadb)
4217 return -ENOMEM;
4218 count = dbl;
4219 break;
4224 return count;
4226 EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4229 * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4230 * @connector: connector associated with the HDMI/DP sink
4231 * @mode: the display mode
4233 * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4234 * the sink doesn't support audio or video.
4236 int drm_av_sync_delay(struct drm_connector *connector,
4237 const struct drm_display_mode *mode)
4239 int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4240 int a, v;
4242 if (!connector->latency_present[0])
4243 return 0;
4244 if (!connector->latency_present[1])
4245 i = 0;
4247 a = connector->audio_latency[i];
4248 v = connector->video_latency[i];
4251 * HDMI/DP sink doesn't support audio or video?
4253 if (a == 255 || v == 255)
4254 return 0;
4257 * Convert raw EDID values to millisecond.
4258 * Treat unknown latency as 0ms.
4260 if (a)
4261 a = min(2 * (a - 1), 500);
4262 if (v)
4263 v = min(2 * (v - 1), 500);
4265 return max(v - a, 0);
4267 EXPORT_SYMBOL(drm_av_sync_delay);
4270 * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4271 * @edid: monitor EDID information
4273 * Parse the CEA extension according to CEA-861-B.
4275 * Return: True if the monitor is HDMI, false if not or unknown.
4277 bool drm_detect_hdmi_monitor(struct edid *edid)
4279 u8 *edid_ext;
4280 int i;
4281 int start_offset, end_offset;
4283 edid_ext = drm_find_cea_extension(edid);
4284 if (!edid_ext)
4285 return false;
4287 if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4288 return false;
4291 * Because HDMI identifier is in Vendor Specific Block,
4292 * search it from all data blocks of CEA extension.
4294 for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4295 if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4296 return true;
4299 return false;
4301 EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4304 * drm_detect_monitor_audio - check monitor audio capability
4305 * @edid: EDID block to scan
4307 * Monitor should have CEA extension block.
4308 * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
4309 * audio' only. If there is any audio extension block and supported
4310 * audio format, assume at least 'basic audio' support, even if 'basic
4311 * audio' is not defined in EDID.
4313 * Return: True if the monitor supports audio, false otherwise.
4315 bool drm_detect_monitor_audio(struct edid *edid)
4317 u8 *edid_ext;
4318 int i, j;
4319 bool has_audio = false;
4320 int start_offset, end_offset;
4322 edid_ext = drm_find_cea_extension(edid);
4323 if (!edid_ext)
4324 goto end;
4326 has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0);
4328 if (has_audio) {
4329 DRM_DEBUG_KMS("Monitor has basic audio support\n");
4330 goto end;
4333 if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4334 goto end;
4336 for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4337 if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4338 has_audio = true;
4339 for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4340 DRM_DEBUG_KMS("CEA audio format %d\n",
4341 (edid_ext[i + j] >> 3) & 0xf);
4342 goto end;
4345 end:
4346 return has_audio;
4348 EXPORT_SYMBOL(drm_detect_monitor_audio);
4351 * drm_rgb_quant_range_selectable - is RGB quantization range selectable?
4352 * @edid: EDID block to scan
4354 * Check whether the monitor reports the RGB quantization range selection
4355 * as supported. The AVI infoframe can then be used to inform the monitor
4356 * which quantization range (full or limited) is used.
4358 * Return: True if the RGB quantization range is selectable, false otherwise.
4360 bool drm_rgb_quant_range_selectable(struct edid *edid)
4362 u8 *edid_ext;
4363 int i, start, end;
4365 edid_ext = drm_find_cea_extension(edid);
4366 if (!edid_ext)
4367 return false;
4369 if (cea_db_offsets(edid_ext, &start, &end))
4370 return false;
4372 for_each_cea_db(edid_ext, i, start, end) {
4373 if (cea_db_tag(&edid_ext[i]) == USE_EXTENDED_TAG &&
4374 cea_db_payload_len(&edid_ext[i]) == 2 &&
4375 cea_db_extended_tag(&edid_ext[i]) ==
4376 EXT_VIDEO_CAPABILITY_BLOCK) {
4377 DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", edid_ext[i + 2]);
4378 return edid_ext[i + 2] & EDID_CEA_VCDB_QS;
4382 return false;
4384 EXPORT_SYMBOL(drm_rgb_quant_range_selectable);
4387 * drm_default_rgb_quant_range - default RGB quantization range
4388 * @mode: display mode
4390 * Determine the default RGB quantization range for the mode,
4391 * as specified in CEA-861.
4393 * Return: The default RGB quantization range for the mode
4395 enum hdmi_quantization_range
4396 drm_default_rgb_quant_range(const struct drm_display_mode *mode)
4398 /* All CEA modes other than VIC 1 use limited quantization range. */
4399 return drm_match_cea_mode(mode) > 1 ?
4400 HDMI_QUANTIZATION_RANGE_LIMITED :
4401 HDMI_QUANTIZATION_RANGE_FULL;
4403 EXPORT_SYMBOL(drm_default_rgb_quant_range);
4405 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4406 const u8 *db)
4408 u8 dc_mask;
4409 struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4411 dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4412 hdmi->y420_dc_modes = dc_mask;
4415 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4416 const u8 *hf_vsdb)
4418 struct drm_display_info *display = &connector->display_info;
4419 struct drm_hdmi_info *hdmi = &display->hdmi;
4421 display->has_hdmi_infoframe = true;
4423 if (hf_vsdb[6] & 0x80) {
4424 hdmi->scdc.supported = true;
4425 if (hf_vsdb[6] & 0x40)
4426 hdmi->scdc.read_request = true;
4430 * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4431 * And as per the spec, three factors confirm this:
4432 * * Availability of a HF-VSDB block in EDID (check)
4433 * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4434 * * SCDC support available (let's check)
4435 * Lets check it out.
4438 if (hf_vsdb[5]) {
4439 /* max clock is 5000 KHz times block value */
4440 u32 max_tmds_clock = hf_vsdb[5] * 5000;
4441 struct drm_scdc *scdc = &hdmi->scdc;
4443 if (max_tmds_clock > 340000) {
4444 display->max_tmds_clock = max_tmds_clock;
4445 DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4446 display->max_tmds_clock);
4449 if (scdc->supported) {
4450 scdc->scrambling.supported = true;
4452 /* Few sinks support scrambling for cloks < 340M */
4453 if ((hf_vsdb[6] & 0x8))
4454 scdc->scrambling.low_rates = true;
4458 drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
4461 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
4462 const u8 *hdmi)
4464 struct drm_display_info *info = &connector->display_info;
4465 unsigned int dc_bpc = 0;
4467 /* HDMI supports at least 8 bpc */
4468 info->bpc = 8;
4470 if (cea_db_payload_len(hdmi) < 6)
4471 return;
4473 if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
4474 dc_bpc = 10;
4475 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
4476 DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
4477 connector->name);
4480 if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
4481 dc_bpc = 12;
4482 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
4483 DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
4484 connector->name);
4487 if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
4488 dc_bpc = 16;
4489 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
4490 DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
4491 connector->name);
4494 if (dc_bpc == 0) {
4495 DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
4496 connector->name);
4497 return;
4500 DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
4501 connector->name, dc_bpc);
4502 info->bpc = dc_bpc;
4505 * Deep color support mandates RGB444 support for all video
4506 * modes and forbids YCRCB422 support for all video modes per
4507 * HDMI 1.3 spec.
4509 info->color_formats = DRM_COLOR_FORMAT_RGB444;
4511 /* YCRCB444 is optional according to spec. */
4512 if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
4513 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4514 DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
4515 connector->name);
4519 * Spec says that if any deep color mode is supported at all,
4520 * then deep color 36 bit must be supported.
4522 if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
4523 DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
4524 connector->name);
4528 static void
4529 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
4531 struct drm_display_info *info = &connector->display_info;
4532 u8 len = cea_db_payload_len(db);
4534 if (len >= 6)
4535 info->dvi_dual = db[6] & 1;
4536 if (len >= 7)
4537 info->max_tmds_clock = db[7] * 5000;
4539 DRM_DEBUG_KMS("HDMI: DVI dual %d, "
4540 "max TMDS clock %d kHz\n",
4541 info->dvi_dual,
4542 info->max_tmds_clock);
4544 drm_parse_hdmi_deep_color_info(connector, db);
4547 static void drm_parse_cea_ext(struct drm_connector *connector,
4548 const struct edid *edid)
4550 struct drm_display_info *info = &connector->display_info;
4551 const u8 *edid_ext;
4552 int i, start, end;
4554 edid_ext = drm_find_cea_extension(edid);
4555 if (!edid_ext)
4556 return;
4558 info->cea_rev = edid_ext[1];
4560 /* The existence of a CEA block should imply RGB support */
4561 info->color_formats = DRM_COLOR_FORMAT_RGB444;
4562 if (edid_ext[3] & EDID_CEA_YCRCB444)
4563 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4564 if (edid_ext[3] & EDID_CEA_YCRCB422)
4565 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
4567 if (cea_db_offsets(edid_ext, &start, &end))
4568 return;
4570 for_each_cea_db(edid_ext, i, start, end) {
4571 const u8 *db = &edid_ext[i];
4573 if (cea_db_is_hdmi_vsdb(db))
4574 drm_parse_hdmi_vsdb_video(connector, db);
4575 if (cea_db_is_hdmi_forum_vsdb(db))
4576 drm_parse_hdmi_forum_vsdb(connector, db);
4577 if (cea_db_is_y420cmdb(db))
4578 drm_parse_y420cmdb_bitmap(connector, db);
4582 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
4583 * all of the values which would have been set from EDID
4585 void
4586 drm_reset_display_info(struct drm_connector *connector)
4588 struct drm_display_info *info = &connector->display_info;
4590 info->width_mm = 0;
4591 info->height_mm = 0;
4593 info->bpc = 0;
4594 info->color_formats = 0;
4595 info->cea_rev = 0;
4596 info->max_tmds_clock = 0;
4597 info->dvi_dual = false;
4598 info->has_hdmi_infoframe = false;
4599 memset(&info->hdmi, 0, sizeof(info->hdmi));
4601 info->non_desktop = 0;
4604 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
4606 struct drm_display_info *info = &connector->display_info;
4608 u32 quirks = edid_get_quirks(edid);
4610 drm_reset_display_info(connector);
4612 info->width_mm = edid->width_cm * 10;
4613 info->height_mm = edid->height_cm * 10;
4615 info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
4617 DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
4619 if (edid->revision < 3)
4620 return quirks;
4622 if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
4623 return quirks;
4625 drm_parse_cea_ext(connector, edid);
4628 * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
4630 * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
4631 * tells us to assume 8 bpc color depth if the EDID doesn't have
4632 * extensions which tell otherwise.
4634 if ((info->bpc == 0) && (edid->revision < 4) &&
4635 (edid->input & DRM_EDID_DIGITAL_TYPE_DVI)) {
4636 info->bpc = 8;
4637 DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
4638 connector->name, info->bpc);
4641 /* Only defined for 1.4 with digital displays */
4642 if (edid->revision < 4)
4643 return quirks;
4645 switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
4646 case DRM_EDID_DIGITAL_DEPTH_6:
4647 info->bpc = 6;
4648 break;
4649 case DRM_EDID_DIGITAL_DEPTH_8:
4650 info->bpc = 8;
4651 break;
4652 case DRM_EDID_DIGITAL_DEPTH_10:
4653 info->bpc = 10;
4654 break;
4655 case DRM_EDID_DIGITAL_DEPTH_12:
4656 info->bpc = 12;
4657 break;
4658 case DRM_EDID_DIGITAL_DEPTH_14:
4659 info->bpc = 14;
4660 break;
4661 case DRM_EDID_DIGITAL_DEPTH_16:
4662 info->bpc = 16;
4663 break;
4664 case DRM_EDID_DIGITAL_DEPTH_UNDEF:
4665 default:
4666 info->bpc = 0;
4667 break;
4670 DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
4671 connector->name, info->bpc);
4673 info->color_formats |= DRM_COLOR_FORMAT_RGB444;
4674 if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
4675 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4676 if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
4677 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
4678 return quirks;
4681 static int validate_displayid(u8 *displayid, int length, int idx)
4683 int i;
4684 u8 csum = 0;
4685 struct displayid_hdr *base;
4687 base = (struct displayid_hdr *)&displayid[idx];
4689 DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n",
4690 base->rev, base->bytes, base->prod_id, base->ext_count);
4692 if (base->bytes + 5 > length - idx)
4693 return -EINVAL;
4694 for (i = idx; i <= base->bytes + 5; i++) {
4695 csum += displayid[i];
4697 if (csum) {
4698 DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum);
4699 return -EINVAL;
4701 return 0;
4704 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
4705 struct displayid_detailed_timings_1 *timings)
4707 struct drm_display_mode *mode;
4708 unsigned pixel_clock = (timings->pixel_clock[0] |
4709 (timings->pixel_clock[1] << 8) |
4710 (timings->pixel_clock[2] << 16)) + 1;
4711 unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
4712 unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
4713 unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
4714 unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
4715 unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
4716 unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
4717 unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
4718 unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
4719 bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
4720 bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
4721 mode = drm_mode_create(dev);
4722 if (!mode)
4723 return NULL;
4725 mode->clock = pixel_clock * 10;
4726 mode->hdisplay = hactive;
4727 mode->hsync_start = mode->hdisplay + hsync;
4728 mode->hsync_end = mode->hsync_start + hsync_width;
4729 mode->htotal = mode->hdisplay + hblank;
4731 mode->vdisplay = vactive;
4732 mode->vsync_start = mode->vdisplay + vsync;
4733 mode->vsync_end = mode->vsync_start + vsync_width;
4734 mode->vtotal = mode->vdisplay + vblank;
4736 mode->flags = 0;
4737 mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
4738 mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
4739 mode->type = DRM_MODE_TYPE_DRIVER;
4741 if (timings->flags & 0x80)
4742 mode->type |= DRM_MODE_TYPE_PREFERRED;
4743 mode->vrefresh = drm_mode_vrefresh(mode);
4744 drm_mode_set_name(mode);
4746 return mode;
4749 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
4750 struct displayid_block *block)
4752 struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
4753 int i;
4754 int num_timings;
4755 struct drm_display_mode *newmode;
4756 int num_modes = 0;
4757 /* blocks must be multiple of 20 bytes length */
4758 if (block->num_bytes % 20)
4759 return 0;
4761 num_timings = block->num_bytes / 20;
4762 for (i = 0; i < num_timings; i++) {
4763 struct displayid_detailed_timings_1 *timings = &det->timings[i];
4765 newmode = drm_mode_displayid_detailed(connector->dev, timings);
4766 if (!newmode)
4767 continue;
4769 drm_mode_probed_add(connector, newmode);
4770 num_modes++;
4772 return num_modes;
4775 static int add_displayid_detailed_modes(struct drm_connector *connector,
4776 struct edid *edid)
4778 u8 *displayid;
4779 int ret;
4780 int idx = 1;
4781 int length = EDID_LENGTH;
4782 struct displayid_block *block;
4783 int num_modes = 0;
4785 displayid = drm_find_displayid_extension(edid);
4786 if (!displayid)
4787 return 0;
4789 ret = validate_displayid(displayid, length, idx);
4790 if (ret)
4791 return 0;
4793 idx += sizeof(struct displayid_hdr);
4794 while (block = (struct displayid_block *)&displayid[idx],
4795 idx + sizeof(struct displayid_block) <= length &&
4796 idx + sizeof(struct displayid_block) + block->num_bytes <= length &&
4797 block->num_bytes > 0) {
4798 idx += block->num_bytes + sizeof(struct displayid_block);
4799 switch (block->tag) {
4800 case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
4801 num_modes += add_displayid_detailed_1_modes(connector, block);
4802 break;
4805 return num_modes;
4809 * drm_add_edid_modes - add modes from EDID data, if available
4810 * @connector: connector we're probing
4811 * @edid: EDID data
4813 * Add the specified modes to the connector's mode list. Also fills out the
4814 * &drm_display_info structure and ELD in @connector with any information which
4815 * can be derived from the edid.
4817 * Return: The number of modes added or 0 if we couldn't find any.
4819 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
4821 int num_modes = 0;
4822 u32 quirks;
4824 if (edid == NULL) {
4825 clear_eld(connector);
4826 return 0;
4828 if (!drm_edid_is_valid(edid)) {
4829 clear_eld(connector);
4830 dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
4831 connector->name);
4832 return 0;
4835 drm_edid_to_eld(connector, edid);
4838 * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
4839 * To avoid multiple parsing of same block, lets parse that map
4840 * from sink info, before parsing CEA modes.
4842 quirks = drm_add_display_info(connector, edid);
4845 * EDID spec says modes should be preferred in this order:
4846 * - preferred detailed mode
4847 * - other detailed modes from base block
4848 * - detailed modes from extension blocks
4849 * - CVT 3-byte code modes
4850 * - standard timing codes
4851 * - established timing codes
4852 * - modes inferred from GTF or CVT range information
4854 * We get this pretty much right.
4856 * XXX order for additional mode types in extension blocks?
4858 num_modes += add_detailed_modes(connector, edid, quirks);
4859 num_modes += add_cvt_modes(connector, edid);
4860 num_modes += add_standard_modes(connector, edid);
4861 num_modes += add_established_modes(connector, edid);
4862 num_modes += add_cea_modes(connector, edid);
4863 num_modes += add_alternate_cea_modes(connector, edid);
4864 num_modes += add_displayid_detailed_modes(connector, edid);
4865 if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
4866 num_modes += add_inferred_modes(connector, edid);
4868 if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
4869 edid_fixup_preferred(connector, quirks);
4871 if (quirks & EDID_QUIRK_FORCE_6BPC)
4872 connector->display_info.bpc = 6;
4874 if (quirks & EDID_QUIRK_FORCE_8BPC)
4875 connector->display_info.bpc = 8;
4877 if (quirks & EDID_QUIRK_FORCE_10BPC)
4878 connector->display_info.bpc = 10;
4880 if (quirks & EDID_QUIRK_FORCE_12BPC)
4881 connector->display_info.bpc = 12;
4883 return num_modes;
4885 EXPORT_SYMBOL(drm_add_edid_modes);
4888 * drm_add_modes_noedid - add modes for the connectors without EDID
4889 * @connector: connector we're probing
4890 * @hdisplay: the horizontal display limit
4891 * @vdisplay: the vertical display limit
4893 * Add the specified modes to the connector's mode list. Only when the
4894 * hdisplay/vdisplay is not beyond the given limit, it will be added.
4896 * Return: The number of modes added or 0 if we couldn't find any.
4898 int drm_add_modes_noedid(struct drm_connector *connector,
4899 int hdisplay, int vdisplay)
4901 int i, count, num_modes = 0;
4902 struct drm_display_mode *mode;
4903 struct drm_device *dev = connector->dev;
4905 count = ARRAY_SIZE(drm_dmt_modes);
4906 if (hdisplay < 0)
4907 hdisplay = 0;
4908 if (vdisplay < 0)
4909 vdisplay = 0;
4911 for (i = 0; i < count; i++) {
4912 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
4913 if (hdisplay && vdisplay) {
4915 * Only when two are valid, they will be used to check
4916 * whether the mode should be added to the mode list of
4917 * the connector.
4919 if (ptr->hdisplay > hdisplay ||
4920 ptr->vdisplay > vdisplay)
4921 continue;
4923 if (drm_mode_vrefresh(ptr) > 61)
4924 continue;
4925 mode = drm_mode_duplicate(dev, ptr);
4926 if (mode) {
4927 drm_mode_probed_add(connector, mode);
4928 num_modes++;
4931 return num_modes;
4933 EXPORT_SYMBOL(drm_add_modes_noedid);
4936 * drm_set_preferred_mode - Sets the preferred mode of a connector
4937 * @connector: connector whose mode list should be processed
4938 * @hpref: horizontal resolution of preferred mode
4939 * @vpref: vertical resolution of preferred mode
4941 * Marks a mode as preferred if it matches the resolution specified by @hpref
4942 * and @vpref.
4944 void drm_set_preferred_mode(struct drm_connector *connector,
4945 int hpref, int vpref)
4947 struct drm_display_mode *mode;
4949 list_for_each_entry(mode, &connector->probed_modes, head) {
4950 if (mode->hdisplay == hpref &&
4951 mode->vdisplay == vpref)
4952 mode->type |= DRM_MODE_TYPE_PREFERRED;
4955 EXPORT_SYMBOL(drm_set_preferred_mode);
4958 * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
4959 * data from a DRM display mode
4960 * @frame: HDMI AVI infoframe
4961 * @mode: DRM display mode
4962 * @is_hdmi2_sink: Sink is HDMI 2.0 compliant
4964 * Return: 0 on success or a negative error code on failure.
4967 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
4968 const struct drm_display_mode *mode,
4969 bool is_hdmi2_sink)
4971 enum hdmi_picture_aspect picture_aspect;
4972 int err;
4974 if (!frame || !mode)
4975 return -EINVAL;
4977 err = hdmi_avi_infoframe_init(frame);
4978 if (err < 0)
4979 return err;
4981 if (mode->flags & DRM_MODE_FLAG_DBLCLK)
4982 frame->pixel_repeat = 1;
4984 frame->video_code = drm_match_cea_mode(mode);
4987 * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
4988 * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
4989 * have to make sure we dont break HDMI 1.4 sinks.
4991 if (!is_hdmi2_sink && frame->video_code > 64)
4992 frame->video_code = 0;
4995 * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
4996 * we should send its VIC in vendor infoframes, else send the
4997 * VIC in AVI infoframes. Lets check if this mode is present in
4998 * HDMI 1.4b 4K modes
5000 if (frame->video_code) {
5001 u8 vendor_if_vic = drm_match_hdmi_mode(mode);
5002 bool is_s3d = mode->flags & DRM_MODE_FLAG_3D_MASK;
5004 if (drm_valid_hdmi_vic(vendor_if_vic) && !is_s3d)
5005 frame->video_code = 0;
5008 frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5011 * As some drivers don't support atomic, we can't use connector state.
5012 * So just initialize the frame with default values, just the same way
5013 * as it's done with other properties here.
5015 frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5016 frame->itc = 0;
5019 * Populate picture aspect ratio from either
5020 * user input (if specified) or from the CEA mode list.
5022 picture_aspect = mode->picture_aspect_ratio;
5023 if (picture_aspect == HDMI_PICTURE_ASPECT_NONE)
5024 picture_aspect = drm_get_cea_aspect_ratio(frame->video_code);
5027 * The infoframe can't convey anything but none, 4:3
5028 * and 16:9, so if the user has asked for anything else
5029 * we can only satisfy it by specifying the right VIC.
5031 if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5032 if (picture_aspect !=
5033 drm_get_cea_aspect_ratio(frame->video_code))
5034 return -EINVAL;
5035 picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5038 frame->picture_aspect = picture_aspect;
5039 frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5040 frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5042 return 0;
5044 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5047 * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5048 * quantization range information
5049 * @frame: HDMI AVI infoframe
5050 * @mode: DRM display mode
5051 * @rgb_quant_range: RGB quantization range (Q)
5052 * @rgb_quant_range_selectable: Sink support selectable RGB quantization range (QS)
5053 * @is_hdmi2_sink: HDMI 2.0 sink, which has different default recommendations
5055 * Note that @is_hdmi2_sink can be derived by looking at the
5056 * &drm_scdc.supported flag stored in &drm_hdmi_info.scdc,
5057 * &drm_display_info.hdmi, which can be found in &drm_connector.display_info.
5059 void
5060 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5061 const struct drm_display_mode *mode,
5062 enum hdmi_quantization_range rgb_quant_range,
5063 bool rgb_quant_range_selectable,
5064 bool is_hdmi2_sink)
5067 * CEA-861:
5068 * "A Source shall not send a non-zero Q value that does not correspond
5069 * to the default RGB Quantization Range for the transmitted Picture
5070 * unless the Sink indicates support for the Q bit in a Video
5071 * Capabilities Data Block."
5073 * HDMI 2.0 recommends sending non-zero Q when it does match the
5074 * default RGB quantization range for the mode, even when QS=0.
5076 if (rgb_quant_range_selectable ||
5077 rgb_quant_range == drm_default_rgb_quant_range(mode))
5078 frame->quantization_range = rgb_quant_range;
5079 else
5080 frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5083 * CEA-861-F:
5084 * "When transmitting any RGB colorimetry, the Source should set the
5085 * YQ-field to match the RGB Quantization Range being transmitted
5086 * (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5087 * set YQ=1) and the Sink shall ignore the YQ-field."
5089 * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5090 * by non-zero YQ when receiving RGB. There doesn't seem to be any
5091 * good way to tell which version of CEA-861 the sink supports, so
5092 * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5093 * on on CEA-861-F.
5095 if (!is_hdmi2_sink ||
5096 rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5097 frame->ycc_quantization_range =
5098 HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5099 else
5100 frame->ycc_quantization_range =
5101 HDMI_YCC_QUANTIZATION_RANGE_FULL;
5103 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5105 static enum hdmi_3d_structure
5106 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5108 u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5110 switch (layout) {
5111 case DRM_MODE_FLAG_3D_FRAME_PACKING:
5112 return HDMI_3D_STRUCTURE_FRAME_PACKING;
5113 case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
5114 return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
5115 case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
5116 return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
5117 case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
5118 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
5119 case DRM_MODE_FLAG_3D_L_DEPTH:
5120 return HDMI_3D_STRUCTURE_L_DEPTH;
5121 case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
5122 return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
5123 case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
5124 return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
5125 case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
5126 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
5127 default:
5128 return HDMI_3D_STRUCTURE_INVALID;
5133 * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
5134 * data from a DRM display mode
5135 * @frame: HDMI vendor infoframe
5136 * @connector: the connector
5137 * @mode: DRM display mode
5139 * Note that there's is a need to send HDMI vendor infoframes only when using a
5140 * 4k or stereoscopic 3D mode. So when giving any other mode as input this
5141 * function will return -EINVAL, error that can be safely ignored.
5143 * Return: 0 on success or a negative error code on failure.
5146 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5147 struct drm_connector *connector,
5148 const struct drm_display_mode *mode)
5151 * FIXME: sil-sii8620 doesn't have a connector around when
5152 * we need one, so we have to be prepared for a NULL connector.
5154 bool has_hdmi_infoframe = connector ?
5155 connector->display_info.has_hdmi_infoframe : false;
5156 int err;
5157 u32 s3d_flags;
5158 u8 vic;
5160 if (!frame || !mode)
5161 return -EINVAL;
5163 if (!has_hdmi_infoframe)
5164 return -EINVAL;
5166 vic = drm_match_hdmi_mode(mode);
5167 s3d_flags = mode->flags & DRM_MODE_FLAG_3D_MASK;
5170 * Even if it's not absolutely necessary to send the infoframe
5171 * (ie.vic==0 and s3d_struct==0) we will still send it if we
5172 * know that the sink can handle it. This is based on a
5173 * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
5174 * have trouble realizing that they shuld switch from 3D to 2D
5175 * mode if the source simply stops sending the infoframe when
5176 * it wants to switch from 3D to 2D.
5179 if (vic && s3d_flags)
5180 return -EINVAL;
5182 err = hdmi_vendor_infoframe_init(frame);
5183 if (err < 0)
5184 return err;
5186 frame->vic = vic;
5187 frame->s3d_struct = s3d_structure_from_display_mode(mode);
5189 return 0;
5191 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5193 static int drm_parse_tiled_block(struct drm_connector *connector,
5194 struct displayid_block *block)
5196 struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
5197 u16 w, h;
5198 u8 tile_v_loc, tile_h_loc;
5199 u8 num_v_tile, num_h_tile;
5200 struct drm_tile_group *tg;
5202 w = tile->tile_size[0] | tile->tile_size[1] << 8;
5203 h = tile->tile_size[2] | tile->tile_size[3] << 8;
5205 num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
5206 num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
5207 tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
5208 tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
5210 connector->has_tile = true;
5211 if (tile->tile_cap & 0x80)
5212 connector->tile_is_single_monitor = true;
5214 connector->num_h_tile = num_h_tile + 1;
5215 connector->num_v_tile = num_v_tile + 1;
5216 connector->tile_h_loc = tile_h_loc;
5217 connector->tile_v_loc = tile_v_loc;
5218 connector->tile_h_size = w + 1;
5219 connector->tile_v_size = h + 1;
5221 DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
5222 DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
5223 DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
5224 num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
5225 DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
5227 tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
5228 if (!tg) {
5229 tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
5231 if (!tg)
5232 return -ENOMEM;
5234 if (connector->tile_group != tg) {
5235 /* if we haven't got a pointer,
5236 take the reference, drop ref to old tile group */
5237 if (connector->tile_group) {
5238 drm_mode_put_tile_group(connector->dev, connector->tile_group);
5240 connector->tile_group = tg;
5241 } else
5242 /* if same tile group, then release the ref we just took. */
5243 drm_mode_put_tile_group(connector->dev, tg);
5244 return 0;
5247 static int drm_parse_display_id(struct drm_connector *connector,
5248 u8 *displayid, int length,
5249 bool is_edid_extension)
5251 /* if this is an EDID extension the first byte will be 0x70 */
5252 int idx = 0;
5253 struct displayid_block *block;
5254 int ret;
5256 if (is_edid_extension)
5257 idx = 1;
5259 ret = validate_displayid(displayid, length, idx);
5260 if (ret)
5261 return ret;
5263 idx += sizeof(struct displayid_hdr);
5264 while (block = (struct displayid_block *)&displayid[idx],
5265 idx + sizeof(struct displayid_block) <= length &&
5266 idx + sizeof(struct displayid_block) + block->num_bytes <= length &&
5267 block->num_bytes > 0) {
5268 idx += block->num_bytes + sizeof(struct displayid_block);
5269 DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n",
5270 block->tag, block->rev, block->num_bytes);
5272 switch (block->tag) {
5273 case DATA_BLOCK_TILED_DISPLAY:
5274 ret = drm_parse_tiled_block(connector, block);
5275 if (ret)
5276 return ret;
5277 break;
5278 case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5279 /* handled in mode gathering code. */
5280 break;
5281 case DATA_BLOCK_CTA:
5282 /* handled in the cea parser code. */
5283 break;
5284 default:
5285 DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag);
5286 break;
5289 return 0;
5292 static void drm_get_displayid(struct drm_connector *connector,
5293 struct edid *edid)
5295 void *displayid = NULL;
5296 int ret;
5297 connector->has_tile = false;
5298 displayid = drm_find_displayid_extension(edid);
5299 if (!displayid) {
5300 /* drop reference to any tile group we had */
5301 goto out_drop_ref;
5304 ret = drm_parse_display_id(connector, displayid, EDID_LENGTH, true);
5305 if (ret < 0)
5306 goto out_drop_ref;
5307 if (!connector->has_tile)
5308 goto out_drop_ref;
5309 return;
5310 out_drop_ref:
5311 if (connector->tile_group) {
5312 drm_mode_put_tile_group(connector->dev, connector->tile_group);
5313 connector->tile_group = NULL;
5315 return;