drm: Add helper to compare edids.
[platform/kernel/linux-starfive.git] / drivers / gpu / drm / drm_edid.c
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.
6  *
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>
10  *
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:
17  *
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.
21  *
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.
29  */
30
31 #include <linux/hdmi.h>
32 #include <linux/i2c.h>
33 #include <linux/kernel.h>
34 #include <linux/module.h>
35 #include <linux/slab.h>
36 #include <linux/vga_switcheroo.h>
37
38 #include <drm/drm_displayid.h>
39 #include <drm/drm_drv.h>
40 #include <drm/drm_edid.h>
41 #include <drm/drm_encoder.h>
42 #include <drm/drm_print.h>
43 #include <drm/drm_scdc_helper.h>
44
45 #include "drm_crtc_internal.h"
46
47 #define version_greater(edid, maj, min) \
48         (((edid)->version > (maj)) || \
49          ((edid)->version == (maj) && (edid)->revision > (min)))
50
51 #define EDID_EST_TIMINGS 16
52 #define EDID_STD_TIMINGS 8
53 #define EDID_DETAILED_TIMINGS 4
54
55 /*
56  * EDID blocks out in the wild have a variety of bugs, try to collect
57  * them here (note that userspace may work around broken monitors first,
58  * but fixes should make their way here so that the kernel "just works"
59  * on as many displays as possible).
60  */
61
62 /* First detailed mode wrong, use largest 60Hz mode */
63 #define EDID_QUIRK_PREFER_LARGE_60              (1 << 0)
64 /* Reported 135MHz pixel clock is too high, needs adjustment */
65 #define EDID_QUIRK_135_CLOCK_TOO_HIGH           (1 << 1)
66 /* Prefer the largest mode at 75 Hz */
67 #define EDID_QUIRK_PREFER_LARGE_75              (1 << 2)
68 /* Detail timing is in cm not mm */
69 #define EDID_QUIRK_DETAILED_IN_CM               (1 << 3)
70 /* Detailed timing descriptors have bogus size values, so just take the
71  * maximum size and use that.
72  */
73 #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE    (1 << 4)
74 /* use +hsync +vsync for detailed mode */
75 #define EDID_QUIRK_DETAILED_SYNC_PP             (1 << 6)
76 /* Force reduced-blanking timings for detailed modes */
77 #define EDID_QUIRK_FORCE_REDUCED_BLANKING       (1 << 7)
78 /* Force 8bpc */
79 #define EDID_QUIRK_FORCE_8BPC                   (1 << 8)
80 /* Force 12bpc */
81 #define EDID_QUIRK_FORCE_12BPC                  (1 << 9)
82 /* Force 6bpc */
83 #define EDID_QUIRK_FORCE_6BPC                   (1 << 10)
84 /* Force 10bpc */
85 #define EDID_QUIRK_FORCE_10BPC                  (1 << 11)
86 /* Non desktop display (i.e. HMD) */
87 #define EDID_QUIRK_NON_DESKTOP                  (1 << 12)
88
89 struct detailed_mode_closure {
90         struct drm_connector *connector;
91         struct edid *edid;
92         bool preferred;
93         u32 quirks;
94         int modes;
95 };
96
97 #define LEVEL_DMT       0
98 #define LEVEL_GTF       1
99 #define LEVEL_GTF2      2
100 #define LEVEL_CVT       3
101
102 static const struct edid_quirk {
103         char vendor[4];
104         int product_id;
105         u32 quirks;
106 } edid_quirk_list[] = {
107         /* Acer AL1706 */
108         { "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 },
109         /* Acer F51 */
110         { "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 },
111
112         /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
113         { "AEO", 0, EDID_QUIRK_FORCE_6BPC },
114
115         /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
116         { "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC },
117
118         /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
119         { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },
120
121         /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
122         { "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC },
123
124         /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
125         { "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC },
126
127         /* Belinea 10 15 55 */
128         { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 },
129         { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },
130
131         /* Envision Peripherals, Inc. EN-7100e */
132         { "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH },
133         /* Envision EN2028 */
134         { "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 },
135
136         /* Funai Electronics PM36B */
137         { "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 |
138           EDID_QUIRK_DETAILED_IN_CM },
139
140         /* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
141         { "LGD", 764, EDID_QUIRK_FORCE_10BPC },
142
143         /* LG Philips LCD LP154W01-A5 */
144         { "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
145         { "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
146
147         /* Samsung SyncMaster 205BW.  Note: irony */
148         { "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP },
149         /* Samsung SyncMaster 22[5-6]BW */
150         { "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 },
151         { "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 },
152
153         /* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
154         { "SNY", 0x2541, EDID_QUIRK_FORCE_12BPC },
155
156         /* ViewSonic VA2026w */
157         { "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING },
158
159         /* Medion MD 30217 PG */
160         { "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 },
161
162         /* Lenovo G50 */
163         { "SDC", 18514, EDID_QUIRK_FORCE_6BPC },
164
165         /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
166         { "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC },
167
168         /* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
169         { "ETR", 13896, EDID_QUIRK_FORCE_8BPC },
170
171         /* Valve Index Headset */
172         { "VLV", 0x91a8, EDID_QUIRK_NON_DESKTOP },
173         { "VLV", 0x91b0, EDID_QUIRK_NON_DESKTOP },
174         { "VLV", 0x91b1, EDID_QUIRK_NON_DESKTOP },
175         { "VLV", 0x91b2, EDID_QUIRK_NON_DESKTOP },
176         { "VLV", 0x91b3, EDID_QUIRK_NON_DESKTOP },
177         { "VLV", 0x91b4, EDID_QUIRK_NON_DESKTOP },
178         { "VLV", 0x91b5, EDID_QUIRK_NON_DESKTOP },
179         { "VLV", 0x91b6, EDID_QUIRK_NON_DESKTOP },
180         { "VLV", 0x91b7, EDID_QUIRK_NON_DESKTOP },
181         { "VLV", 0x91b8, EDID_QUIRK_NON_DESKTOP },
182         { "VLV", 0x91b9, EDID_QUIRK_NON_DESKTOP },
183         { "VLV", 0x91ba, EDID_QUIRK_NON_DESKTOP },
184         { "VLV", 0x91bb, EDID_QUIRK_NON_DESKTOP },
185         { "VLV", 0x91bc, EDID_QUIRK_NON_DESKTOP },
186         { "VLV", 0x91bd, EDID_QUIRK_NON_DESKTOP },
187         { "VLV", 0x91be, EDID_QUIRK_NON_DESKTOP },
188         { "VLV", 0x91bf, EDID_QUIRK_NON_DESKTOP },
189
190         /* HTC Vive and Vive Pro VR Headsets */
191         { "HVR", 0xaa01, EDID_QUIRK_NON_DESKTOP },
192         { "HVR", 0xaa02, EDID_QUIRK_NON_DESKTOP },
193
194         /* Oculus Rift DK1, DK2, CV1 and Rift S VR Headsets */
195         { "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP },
196         { "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP },
197         { "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP },
198         { "OVR", 0x0012, EDID_QUIRK_NON_DESKTOP },
199
200         /* Windows Mixed Reality Headsets */
201         { "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP },
202         { "HPN", 0x3515, EDID_QUIRK_NON_DESKTOP },
203         { "LEN", 0x0408, EDID_QUIRK_NON_DESKTOP },
204         { "LEN", 0xb800, EDID_QUIRK_NON_DESKTOP },
205         { "FUJ", 0x1970, EDID_QUIRK_NON_DESKTOP },
206         { "DEL", 0x7fce, EDID_QUIRK_NON_DESKTOP },
207         { "SEC", 0x144a, EDID_QUIRK_NON_DESKTOP },
208         { "AUS", 0xc102, EDID_QUIRK_NON_DESKTOP },
209
210         /* Sony PlayStation VR Headset */
211         { "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP },
212
213         /* Sensics VR Headsets */
214         { "SEN", 0x1019, EDID_QUIRK_NON_DESKTOP },
215
216         /* OSVR HDK and HDK2 VR Headsets */
217         { "SVR", 0x1019, EDID_QUIRK_NON_DESKTOP },
218 };
219
220 /*
221  * Autogenerated from the DMT spec.
222  * This table is copied from xfree86/modes/xf86EdidModes.c.
223  */
224 static const struct drm_display_mode drm_dmt_modes[] = {
225         /* 0x01 - 640x350@85Hz */
226         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
227                    736, 832, 0, 350, 382, 385, 445, 0,
228                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
229         /* 0x02 - 640x400@85Hz */
230         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
231                    736, 832, 0, 400, 401, 404, 445, 0,
232                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
233         /* 0x03 - 720x400@85Hz */
234         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
235                    828, 936, 0, 400, 401, 404, 446, 0,
236                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
237         /* 0x04 - 640x480@60Hz */
238         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
239                    752, 800, 0, 480, 490, 492, 525, 0,
240                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
241         /* 0x05 - 640x480@72Hz */
242         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
243                    704, 832, 0, 480, 489, 492, 520, 0,
244                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
245         /* 0x06 - 640x480@75Hz */
246         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
247                    720, 840, 0, 480, 481, 484, 500, 0,
248                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
249         /* 0x07 - 640x480@85Hz */
250         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
251                    752, 832, 0, 480, 481, 484, 509, 0,
252                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
253         /* 0x08 - 800x600@56Hz */
254         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
255                    896, 1024, 0, 600, 601, 603, 625, 0,
256                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
257         /* 0x09 - 800x600@60Hz */
258         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
259                    968, 1056, 0, 600, 601, 605, 628, 0,
260                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
261         /* 0x0a - 800x600@72Hz */
262         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
263                    976, 1040, 0, 600, 637, 643, 666, 0,
264                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
265         /* 0x0b - 800x600@75Hz */
266         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
267                    896, 1056, 0, 600, 601, 604, 625, 0,
268                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
269         /* 0x0c - 800x600@85Hz */
270         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
271                    896, 1048, 0, 600, 601, 604, 631, 0,
272                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
273         /* 0x0d - 800x600@120Hz RB */
274         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
275                    880, 960, 0, 600, 603, 607, 636, 0,
276                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
277         /* 0x0e - 848x480@60Hz */
278         { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
279                    976, 1088, 0, 480, 486, 494, 517, 0,
280                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
281         /* 0x0f - 1024x768@43Hz, interlace */
282         { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
283                    1208, 1264, 0, 768, 768, 776, 817, 0,
284                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
285                    DRM_MODE_FLAG_INTERLACE) },
286         /* 0x10 - 1024x768@60Hz */
287         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
288                    1184, 1344, 0, 768, 771, 777, 806, 0,
289                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
290         /* 0x11 - 1024x768@70Hz */
291         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
292                    1184, 1328, 0, 768, 771, 777, 806, 0,
293                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
294         /* 0x12 - 1024x768@75Hz */
295         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
296                    1136, 1312, 0, 768, 769, 772, 800, 0,
297                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
298         /* 0x13 - 1024x768@85Hz */
299         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
300                    1168, 1376, 0, 768, 769, 772, 808, 0,
301                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
302         /* 0x14 - 1024x768@120Hz RB */
303         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
304                    1104, 1184, 0, 768, 771, 775, 813, 0,
305                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
306         /* 0x15 - 1152x864@75Hz */
307         { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
308                    1344, 1600, 0, 864, 865, 868, 900, 0,
309                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
310         /* 0x55 - 1280x720@60Hz */
311         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
312                    1430, 1650, 0, 720, 725, 730, 750, 0,
313                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
314         /* 0x16 - 1280x768@60Hz RB */
315         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
316                    1360, 1440, 0, 768, 771, 778, 790, 0,
317                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
318         /* 0x17 - 1280x768@60Hz */
319         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
320                    1472, 1664, 0, 768, 771, 778, 798, 0,
321                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
322         /* 0x18 - 1280x768@75Hz */
323         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
324                    1488, 1696, 0, 768, 771, 778, 805, 0,
325                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
326         /* 0x19 - 1280x768@85Hz */
327         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
328                    1496, 1712, 0, 768, 771, 778, 809, 0,
329                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
330         /* 0x1a - 1280x768@120Hz RB */
331         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
332                    1360, 1440, 0, 768, 771, 778, 813, 0,
333                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
334         /* 0x1b - 1280x800@60Hz RB */
335         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
336                    1360, 1440, 0, 800, 803, 809, 823, 0,
337                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
338         /* 0x1c - 1280x800@60Hz */
339         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
340                    1480, 1680, 0, 800, 803, 809, 831, 0,
341                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
342         /* 0x1d - 1280x800@75Hz */
343         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
344                    1488, 1696, 0, 800, 803, 809, 838, 0,
345                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
346         /* 0x1e - 1280x800@85Hz */
347         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
348                    1496, 1712, 0, 800, 803, 809, 843, 0,
349                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
350         /* 0x1f - 1280x800@120Hz RB */
351         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
352                    1360, 1440, 0, 800, 803, 809, 847, 0,
353                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
354         /* 0x20 - 1280x960@60Hz */
355         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
356                    1488, 1800, 0, 960, 961, 964, 1000, 0,
357                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
358         /* 0x21 - 1280x960@85Hz */
359         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
360                    1504, 1728, 0, 960, 961, 964, 1011, 0,
361                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
362         /* 0x22 - 1280x960@120Hz RB */
363         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
364                    1360, 1440, 0, 960, 963, 967, 1017, 0,
365                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
366         /* 0x23 - 1280x1024@60Hz */
367         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
368                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
369                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
370         /* 0x24 - 1280x1024@75Hz */
371         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
372                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
373                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
374         /* 0x25 - 1280x1024@85Hz */
375         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
376                    1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
377                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
378         /* 0x26 - 1280x1024@120Hz RB */
379         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
380                    1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
381                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
382         /* 0x27 - 1360x768@60Hz */
383         { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
384                    1536, 1792, 0, 768, 771, 777, 795, 0,
385                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
386         /* 0x28 - 1360x768@120Hz RB */
387         { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
388                    1440, 1520, 0, 768, 771, 776, 813, 0,
389                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
390         /* 0x51 - 1366x768@60Hz */
391         { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
392                    1579, 1792, 0, 768, 771, 774, 798, 0,
393                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
394         /* 0x56 - 1366x768@60Hz */
395         { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
396                    1436, 1500, 0, 768, 769, 772, 800, 0,
397                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
398         /* 0x29 - 1400x1050@60Hz RB */
399         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
400                    1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
401                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
402         /* 0x2a - 1400x1050@60Hz */
403         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
404                    1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
405                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
406         /* 0x2b - 1400x1050@75Hz */
407         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
408                    1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
409                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
410         /* 0x2c - 1400x1050@85Hz */
411         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
412                    1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
413                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
414         /* 0x2d - 1400x1050@120Hz RB */
415         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
416                    1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
417                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
418         /* 0x2e - 1440x900@60Hz RB */
419         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
420                    1520, 1600, 0, 900, 903, 909, 926, 0,
421                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
422         /* 0x2f - 1440x900@60Hz */
423         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
424                    1672, 1904, 0, 900, 903, 909, 934, 0,
425                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
426         /* 0x30 - 1440x900@75Hz */
427         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
428                    1688, 1936, 0, 900, 903, 909, 942, 0,
429                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
430         /* 0x31 - 1440x900@85Hz */
431         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
432                    1696, 1952, 0, 900, 903, 909, 948, 0,
433                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
434         /* 0x32 - 1440x900@120Hz RB */
435         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
436                    1520, 1600, 0, 900, 903, 909, 953, 0,
437                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
438         /* 0x53 - 1600x900@60Hz */
439         { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
440                    1704, 1800, 0, 900, 901, 904, 1000, 0,
441                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
442         /* 0x33 - 1600x1200@60Hz */
443         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
444                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
445                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
446         /* 0x34 - 1600x1200@65Hz */
447         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
448                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
449                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
450         /* 0x35 - 1600x1200@70Hz */
451         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
452                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
453                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
454         /* 0x36 - 1600x1200@75Hz */
455         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
456                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
457                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
458         /* 0x37 - 1600x1200@85Hz */
459         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
460                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
461                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
462         /* 0x38 - 1600x1200@120Hz RB */
463         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
464                    1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
465                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
466         /* 0x39 - 1680x1050@60Hz RB */
467         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
468                    1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
469                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
470         /* 0x3a - 1680x1050@60Hz */
471         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
472                    1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
473                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
474         /* 0x3b - 1680x1050@75Hz */
475         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
476                    1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
477                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
478         /* 0x3c - 1680x1050@85Hz */
479         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
480                    1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
481                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
482         /* 0x3d - 1680x1050@120Hz RB */
483         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
484                    1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
485                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
486         /* 0x3e - 1792x1344@60Hz */
487         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
488                    2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
489                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
490         /* 0x3f - 1792x1344@75Hz */
491         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
492                    2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
493                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
494         /* 0x40 - 1792x1344@120Hz RB */
495         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
496                    1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
497                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
498         /* 0x41 - 1856x1392@60Hz */
499         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
500                    2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
501                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
502         /* 0x42 - 1856x1392@75Hz */
503         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
504                    2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
505                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
506         /* 0x43 - 1856x1392@120Hz RB */
507         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
508                    1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
509                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
510         /* 0x52 - 1920x1080@60Hz */
511         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
512                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
513                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
514         /* 0x44 - 1920x1200@60Hz RB */
515         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
516                    2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
517                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
518         /* 0x45 - 1920x1200@60Hz */
519         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
520                    2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
521                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
522         /* 0x46 - 1920x1200@75Hz */
523         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
524                    2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
525                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
526         /* 0x47 - 1920x1200@85Hz */
527         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
528                    2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
529                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
530         /* 0x48 - 1920x1200@120Hz RB */
531         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
532                    2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
533                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
534         /* 0x49 - 1920x1440@60Hz */
535         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
536                    2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
537                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
538         /* 0x4a - 1920x1440@75Hz */
539         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
540                    2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
541                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
542         /* 0x4b - 1920x1440@120Hz RB */
543         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
544                    2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
545                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
546         /* 0x54 - 2048x1152@60Hz */
547         { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
548                    2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
549                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
550         /* 0x4c - 2560x1600@60Hz RB */
551         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
552                    2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
553                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
554         /* 0x4d - 2560x1600@60Hz */
555         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
556                    3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
557                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
558         /* 0x4e - 2560x1600@75Hz */
559         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
560                    3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
561                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
562         /* 0x4f - 2560x1600@85Hz */
563         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
564                    3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
565                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
566         /* 0x50 - 2560x1600@120Hz RB */
567         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
568                    2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
569                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
570         /* 0x57 - 4096x2160@60Hz RB */
571         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
572                    4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
573                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
574         /* 0x58 - 4096x2160@59.94Hz RB */
575         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
576                    4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
577                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
578 };
579
580 /*
581  * These more or less come from the DMT spec.  The 720x400 modes are
582  * inferred from historical 80x25 practice.  The 640x480@67 and 832x624@75
583  * modes are old-school Mac modes.  The EDID spec says the 1152x864@75 mode
584  * should be 1152x870, again for the Mac, but instead we use the x864 DMT
585  * mode.
586  *
587  * The DMT modes have been fact-checked; the rest are mild guesses.
588  */
589 static const struct drm_display_mode edid_est_modes[] = {
590         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
591                    968, 1056, 0, 600, 601, 605, 628, 0,
592                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
593         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
594                    896, 1024, 0, 600, 601, 603,  625, 0,
595                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
596         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
597                    720, 840, 0, 480, 481, 484, 500, 0,
598                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
599         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
600                    704,  832, 0, 480, 489, 492, 520, 0,
601                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
602         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
603                    768,  864, 0, 480, 483, 486, 525, 0,
604                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
605         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
606                    752, 800, 0, 480, 490, 492, 525, 0,
607                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
608         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
609                    846, 900, 0, 400, 421, 423,  449, 0,
610                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
611         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
612                    846,  900, 0, 400, 412, 414, 449, 0,
613                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
614         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
615                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
616                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
617         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
618                    1136, 1312, 0,  768, 769, 772, 800, 0,
619                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
620         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
621                    1184, 1328, 0,  768, 771, 777, 806, 0,
622                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
623         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
624                    1184, 1344, 0,  768, 771, 777, 806, 0,
625                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
626         { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
627                    1208, 1264, 0, 768, 768, 776, 817, 0,
628                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
629         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
630                    928, 1152, 0, 624, 625, 628, 667, 0,
631                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
632         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
633                    896, 1056, 0, 600, 601, 604,  625, 0,
634                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
635         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
636                    976, 1040, 0, 600, 637, 643, 666, 0,
637                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
638         { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
639                    1344, 1600, 0,  864, 865, 868, 900, 0,
640                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
641 };
642
643 struct minimode {
644         short w;
645         short h;
646         short r;
647         short rb;
648 };
649
650 static const struct minimode est3_modes[] = {
651         /* byte 6 */
652         { 640, 350, 85, 0 },
653         { 640, 400, 85, 0 },
654         { 720, 400, 85, 0 },
655         { 640, 480, 85, 0 },
656         { 848, 480, 60, 0 },
657         { 800, 600, 85, 0 },
658         { 1024, 768, 85, 0 },
659         { 1152, 864, 75, 0 },
660         /* byte 7 */
661         { 1280, 768, 60, 1 },
662         { 1280, 768, 60, 0 },
663         { 1280, 768, 75, 0 },
664         { 1280, 768, 85, 0 },
665         { 1280, 960, 60, 0 },
666         { 1280, 960, 85, 0 },
667         { 1280, 1024, 60, 0 },
668         { 1280, 1024, 85, 0 },
669         /* byte 8 */
670         { 1360, 768, 60, 0 },
671         { 1440, 900, 60, 1 },
672         { 1440, 900, 60, 0 },
673         { 1440, 900, 75, 0 },
674         { 1440, 900, 85, 0 },
675         { 1400, 1050, 60, 1 },
676         { 1400, 1050, 60, 0 },
677         { 1400, 1050, 75, 0 },
678         /* byte 9 */
679         { 1400, 1050, 85, 0 },
680         { 1680, 1050, 60, 1 },
681         { 1680, 1050, 60, 0 },
682         { 1680, 1050, 75, 0 },
683         { 1680, 1050, 85, 0 },
684         { 1600, 1200, 60, 0 },
685         { 1600, 1200, 65, 0 },
686         { 1600, 1200, 70, 0 },
687         /* byte 10 */
688         { 1600, 1200, 75, 0 },
689         { 1600, 1200, 85, 0 },
690         { 1792, 1344, 60, 0 },
691         { 1792, 1344, 75, 0 },
692         { 1856, 1392, 60, 0 },
693         { 1856, 1392, 75, 0 },
694         { 1920, 1200, 60, 1 },
695         { 1920, 1200, 60, 0 },
696         /* byte 11 */
697         { 1920, 1200, 75, 0 },
698         { 1920, 1200, 85, 0 },
699         { 1920, 1440, 60, 0 },
700         { 1920, 1440, 75, 0 },
701 };
702
703 static const struct minimode extra_modes[] = {
704         { 1024, 576,  60, 0 },
705         { 1366, 768,  60, 0 },
706         { 1600, 900,  60, 0 },
707         { 1680, 945,  60, 0 },
708         { 1920, 1080, 60, 0 },
709         { 2048, 1152, 60, 0 },
710         { 2048, 1536, 60, 0 },
711 };
712
713 /*
714  * From CEA/CTA-861 spec.
715  *
716  * Do not access directly, instead always use cea_mode_for_vic().
717  */
718 static const struct drm_display_mode edid_cea_modes_1[] = {
719         /* 1 - 640x480@60Hz 4:3 */
720         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
721                    752, 800, 0, 480, 490, 492, 525, 0,
722                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
723           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
724         /* 2 - 720x480@60Hz 4:3 */
725         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
726                    798, 858, 0, 480, 489, 495, 525, 0,
727                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
728           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
729         /* 3 - 720x480@60Hz 16:9 */
730         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
731                    798, 858, 0, 480, 489, 495, 525, 0,
732                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
733           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
734         /* 4 - 1280x720@60Hz 16:9 */
735         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
736                    1430, 1650, 0, 720, 725, 730, 750, 0,
737                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
738           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
739         /* 5 - 1920x1080i@60Hz 16:9 */
740         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
741                    2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
742                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
743                    DRM_MODE_FLAG_INTERLACE),
744           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
745         /* 6 - 720(1440)x480i@60Hz 4:3 */
746         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
747                    801, 858, 0, 480, 488, 494, 525, 0,
748                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
749                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
750           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
751         /* 7 - 720(1440)x480i@60Hz 16:9 */
752         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
753                    801, 858, 0, 480, 488, 494, 525, 0,
754                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
755                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
756           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
757         /* 8 - 720(1440)x240@60Hz 4:3 */
758         { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
759                    801, 858, 0, 240, 244, 247, 262, 0,
760                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
761                    DRM_MODE_FLAG_DBLCLK),
762           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
763         /* 9 - 720(1440)x240@60Hz 16:9 */
764         { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
765                    801, 858, 0, 240, 244, 247, 262, 0,
766                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
767                    DRM_MODE_FLAG_DBLCLK),
768           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
769         /* 10 - 2880x480i@60Hz 4:3 */
770         { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
771                    3204, 3432, 0, 480, 488, 494, 525, 0,
772                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
773                    DRM_MODE_FLAG_INTERLACE),
774           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
775         /* 11 - 2880x480i@60Hz 16:9 */
776         { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
777                    3204, 3432, 0, 480, 488, 494, 525, 0,
778                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
779                    DRM_MODE_FLAG_INTERLACE),
780           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
781         /* 12 - 2880x240@60Hz 4:3 */
782         { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
783                    3204, 3432, 0, 240, 244, 247, 262, 0,
784                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
785           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
786         /* 13 - 2880x240@60Hz 16:9 */
787         { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
788                    3204, 3432, 0, 240, 244, 247, 262, 0,
789                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
790           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
791         /* 14 - 1440x480@60Hz 4:3 */
792         { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
793                    1596, 1716, 0, 480, 489, 495, 525, 0,
794                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
795           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
796         /* 15 - 1440x480@60Hz 16:9 */
797         { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
798                    1596, 1716, 0, 480, 489, 495, 525, 0,
799                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
800           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
801         /* 16 - 1920x1080@60Hz 16:9 */
802         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
803                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
804                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
805           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
806         /* 17 - 720x576@50Hz 4:3 */
807         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
808                    796, 864, 0, 576, 581, 586, 625, 0,
809                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
810           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
811         /* 18 - 720x576@50Hz 16:9 */
812         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
813                    796, 864, 0, 576, 581, 586, 625, 0,
814                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
815           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
816         /* 19 - 1280x720@50Hz 16:9 */
817         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
818                    1760, 1980, 0, 720, 725, 730, 750, 0,
819                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
820           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
821         /* 20 - 1920x1080i@50Hz 16:9 */
822         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
823                    2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
824                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
825                    DRM_MODE_FLAG_INTERLACE),
826           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
827         /* 21 - 720(1440)x576i@50Hz 4:3 */
828         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
829                    795, 864, 0, 576, 580, 586, 625, 0,
830                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
831                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
832           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
833         /* 22 - 720(1440)x576i@50Hz 16:9 */
834         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
835                    795, 864, 0, 576, 580, 586, 625, 0,
836                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
837                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
838           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
839         /* 23 - 720(1440)x288@50Hz 4:3 */
840         { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
841                    795, 864, 0, 288, 290, 293, 312, 0,
842                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
843                    DRM_MODE_FLAG_DBLCLK),
844           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
845         /* 24 - 720(1440)x288@50Hz 16:9 */
846         { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
847                    795, 864, 0, 288, 290, 293, 312, 0,
848                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
849                    DRM_MODE_FLAG_DBLCLK),
850           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
851         /* 25 - 2880x576i@50Hz 4:3 */
852         { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
853                    3180, 3456, 0, 576, 580, 586, 625, 0,
854                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
855                    DRM_MODE_FLAG_INTERLACE),
856           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
857         /* 26 - 2880x576i@50Hz 16:9 */
858         { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
859                    3180, 3456, 0, 576, 580, 586, 625, 0,
860                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
861                    DRM_MODE_FLAG_INTERLACE),
862           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
863         /* 27 - 2880x288@50Hz 4:3 */
864         { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
865                    3180, 3456, 0, 288, 290, 293, 312, 0,
866                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
867           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
868         /* 28 - 2880x288@50Hz 16:9 */
869         { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
870                    3180, 3456, 0, 288, 290, 293, 312, 0,
871                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
872           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
873         /* 29 - 1440x576@50Hz 4:3 */
874         { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
875                    1592, 1728, 0, 576, 581, 586, 625, 0,
876                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
877           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
878         /* 30 - 1440x576@50Hz 16:9 */
879         { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
880                    1592, 1728, 0, 576, 581, 586, 625, 0,
881                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
882           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
883         /* 31 - 1920x1080@50Hz 16:9 */
884         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
885                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
886                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
887           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
888         /* 32 - 1920x1080@24Hz 16:9 */
889         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
890                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
891                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
892           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
893         /* 33 - 1920x1080@25Hz 16:9 */
894         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
895                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
896                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
897           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
898         /* 34 - 1920x1080@30Hz 16:9 */
899         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
900                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
901                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
902           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
903         /* 35 - 2880x480@60Hz 4:3 */
904         { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
905                    3192, 3432, 0, 480, 489, 495, 525, 0,
906                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
907           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
908         /* 36 - 2880x480@60Hz 16:9 */
909         { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
910                    3192, 3432, 0, 480, 489, 495, 525, 0,
911                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
912           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
913         /* 37 - 2880x576@50Hz 4:3 */
914         { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
915                    3184, 3456, 0, 576, 581, 586, 625, 0,
916                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
917           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
918         /* 38 - 2880x576@50Hz 16:9 */
919         { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
920                    3184, 3456, 0, 576, 581, 586, 625, 0,
921                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
922           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
923         /* 39 - 1920x1080i@50Hz 16:9 */
924         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
925                    2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
926                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
927                    DRM_MODE_FLAG_INTERLACE),
928           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
929         /* 40 - 1920x1080i@100Hz 16:9 */
930         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
931                    2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
932                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
933                    DRM_MODE_FLAG_INTERLACE),
934           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
935         /* 41 - 1280x720@100Hz 16:9 */
936         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
937                    1760, 1980, 0, 720, 725, 730, 750, 0,
938                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
939           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
940         /* 42 - 720x576@100Hz 4:3 */
941         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
942                    796, 864, 0, 576, 581, 586, 625, 0,
943                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
944           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
945         /* 43 - 720x576@100Hz 16:9 */
946         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
947                    796, 864, 0, 576, 581, 586, 625, 0,
948                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
949           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
950         /* 44 - 720(1440)x576i@100Hz 4:3 */
951         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
952                    795, 864, 0, 576, 580, 586, 625, 0,
953                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
954                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
955           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
956         /* 45 - 720(1440)x576i@100Hz 16:9 */
957         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
958                    795, 864, 0, 576, 580, 586, 625, 0,
959                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
960                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
961           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
962         /* 46 - 1920x1080i@120Hz 16:9 */
963         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
964                    2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
965                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
966                    DRM_MODE_FLAG_INTERLACE),
967           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
968         /* 47 - 1280x720@120Hz 16:9 */
969         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
970                    1430, 1650, 0, 720, 725, 730, 750, 0,
971                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
972           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
973         /* 48 - 720x480@120Hz 4:3 */
974         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
975                    798, 858, 0, 480, 489, 495, 525, 0,
976                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
977           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
978         /* 49 - 720x480@120Hz 16:9 */
979         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
980                    798, 858, 0, 480, 489, 495, 525, 0,
981                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
982           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
983         /* 50 - 720(1440)x480i@120Hz 4:3 */
984         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
985                    801, 858, 0, 480, 488, 494, 525, 0,
986                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
987                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
988           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
989         /* 51 - 720(1440)x480i@120Hz 16:9 */
990         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
991                    801, 858, 0, 480, 488, 494, 525, 0,
992                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
993                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
994           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
995         /* 52 - 720x576@200Hz 4:3 */
996         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
997                    796, 864, 0, 576, 581, 586, 625, 0,
998                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
999           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1000         /* 53 - 720x576@200Hz 16:9 */
1001         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1002                    796, 864, 0, 576, 581, 586, 625, 0,
1003                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1004           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1005         /* 54 - 720(1440)x576i@200Hz 4:3 */
1006         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1007                    795, 864, 0, 576, 580, 586, 625, 0,
1008                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1009                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1010           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1011         /* 55 - 720(1440)x576i@200Hz 16:9 */
1012         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1013                    795, 864, 0, 576, 580, 586, 625, 0,
1014                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1015                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1016           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1017         /* 56 - 720x480@240Hz 4:3 */
1018         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1019                    798, 858, 0, 480, 489, 495, 525, 0,
1020                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1021           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1022         /* 57 - 720x480@240Hz 16:9 */
1023         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1024                    798, 858, 0, 480, 489, 495, 525, 0,
1025                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1026           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1027         /* 58 - 720(1440)x480i@240Hz 4:3 */
1028         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1029                    801, 858, 0, 480, 488, 494, 525, 0,
1030                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1031                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1032           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1033         /* 59 - 720(1440)x480i@240Hz 16:9 */
1034         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1035                    801, 858, 0, 480, 488, 494, 525, 0,
1036                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1037                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1038           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1039         /* 60 - 1280x720@24Hz 16:9 */
1040         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1041                    3080, 3300, 0, 720, 725, 730, 750, 0,
1042                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1043           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1044         /* 61 - 1280x720@25Hz 16:9 */
1045         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1046                    3740, 3960, 0, 720, 725, 730, 750, 0,
1047                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1048           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1049         /* 62 - 1280x720@30Hz 16:9 */
1050         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1051                    3080, 3300, 0, 720, 725, 730, 750, 0,
1052                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1053           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1054         /* 63 - 1920x1080@120Hz 16:9 */
1055         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1056                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1057                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1058           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1059         /* 64 - 1920x1080@100Hz 16:9 */
1060         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1061                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1062                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1063           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1064         /* 65 - 1280x720@24Hz 64:27 */
1065         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1066                    3080, 3300, 0, 720, 725, 730, 750, 0,
1067                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1068           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1069         /* 66 - 1280x720@25Hz 64:27 */
1070         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1071                    3740, 3960, 0, 720, 725, 730, 750, 0,
1072                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1073           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1074         /* 67 - 1280x720@30Hz 64:27 */
1075         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1076                    3080, 3300, 0, 720, 725, 730, 750, 0,
1077                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1078           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1079         /* 68 - 1280x720@50Hz 64:27 */
1080         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1081                    1760, 1980, 0, 720, 725, 730, 750, 0,
1082                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1083           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1084         /* 69 - 1280x720@60Hz 64:27 */
1085         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1086                    1430, 1650, 0, 720, 725, 730, 750, 0,
1087                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1088           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1089         /* 70 - 1280x720@100Hz 64:27 */
1090         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1091                    1760, 1980, 0, 720, 725, 730, 750, 0,
1092                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1093           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1094         /* 71 - 1280x720@120Hz 64:27 */
1095         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1096                    1430, 1650, 0, 720, 725, 730, 750, 0,
1097                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1098           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1099         /* 72 - 1920x1080@24Hz 64:27 */
1100         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1101                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1102                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1103           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1104         /* 73 - 1920x1080@25Hz 64:27 */
1105         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1106                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1107                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1108           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1109         /* 74 - 1920x1080@30Hz 64:27 */
1110         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1111                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1112                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1113           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1114         /* 75 - 1920x1080@50Hz 64:27 */
1115         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1116                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1117                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1118           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1119         /* 76 - 1920x1080@60Hz 64:27 */
1120         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1121                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1122                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1123           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1124         /* 77 - 1920x1080@100Hz 64:27 */
1125         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1126                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1127                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1128           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1129         /* 78 - 1920x1080@120Hz 64:27 */
1130         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1131                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1132                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1133           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1134         /* 79 - 1680x720@24Hz 64:27 */
1135         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1136                    3080, 3300, 0, 720, 725, 730, 750, 0,
1137                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1138           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1139         /* 80 - 1680x720@25Hz 64:27 */
1140         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1141                    2948, 3168, 0, 720, 725, 730, 750, 0,
1142                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1143           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1144         /* 81 - 1680x720@30Hz 64:27 */
1145         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1146                    2420, 2640, 0, 720, 725, 730, 750, 0,
1147                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1148           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1149         /* 82 - 1680x720@50Hz 64:27 */
1150         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1151                    1980, 2200, 0, 720, 725, 730, 750, 0,
1152                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1153           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1154         /* 83 - 1680x720@60Hz 64:27 */
1155         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1156                    1980, 2200, 0, 720, 725, 730, 750, 0,
1157                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1158           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1159         /* 84 - 1680x720@100Hz 64:27 */
1160         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1161                    1780, 2000, 0, 720, 725, 730, 825, 0,
1162                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1163           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1164         /* 85 - 1680x720@120Hz 64:27 */
1165         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1166                    1780, 2000, 0, 720, 725, 730, 825, 0,
1167                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1168           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1169         /* 86 - 2560x1080@24Hz 64:27 */
1170         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1171                    3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1172                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1173           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1174         /* 87 - 2560x1080@25Hz 64:27 */
1175         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1176                    3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1177                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1178           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1179         /* 88 - 2560x1080@30Hz 64:27 */
1180         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1181                    3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1182                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1183           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1184         /* 89 - 2560x1080@50Hz 64:27 */
1185         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1186                    3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1187                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1188           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1189         /* 90 - 2560x1080@60Hz 64:27 */
1190         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1191                    2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1192                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1193           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1194         /* 91 - 2560x1080@100Hz 64:27 */
1195         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1196                    2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1197                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1198           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1199         /* 92 - 2560x1080@120Hz 64:27 */
1200         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1201                    3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1202                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1203           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1204         /* 93 - 3840x2160@24Hz 16:9 */
1205         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1206                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1207                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1208           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1209         /* 94 - 3840x2160@25Hz 16:9 */
1210         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1211                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1212                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1213           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1214         /* 95 - 3840x2160@30Hz 16:9 */
1215         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1216                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1217                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1218           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1219         /* 96 - 3840x2160@50Hz 16:9 */
1220         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1221                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1222                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1223           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1224         /* 97 - 3840x2160@60Hz 16:9 */
1225         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1226                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1227                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1228           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1229         /* 98 - 4096x2160@24Hz 256:135 */
1230         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1231                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1232                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1233           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1234         /* 99 - 4096x2160@25Hz 256:135 */
1235         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1236                    5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1237                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1238           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1239         /* 100 - 4096x2160@30Hz 256:135 */
1240         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1241                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1242                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1243           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1244         /* 101 - 4096x2160@50Hz 256:135 */
1245         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1246                    5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1247                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1248           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1249         /* 102 - 4096x2160@60Hz 256:135 */
1250         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1251                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1252                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1253           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1254         /* 103 - 3840x2160@24Hz 64:27 */
1255         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1256                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1257                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1258           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1259         /* 104 - 3840x2160@25Hz 64:27 */
1260         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1261                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1262                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1263           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1264         /* 105 - 3840x2160@30Hz 64:27 */
1265         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1266                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1267                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1268           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1269         /* 106 - 3840x2160@50Hz 64:27 */
1270         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1271                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1272                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1273           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1274         /* 107 - 3840x2160@60Hz 64:27 */
1275         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1276                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1277                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1278           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1279         /* 108 - 1280x720@48Hz 16:9 */
1280         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1281                    2280, 2500, 0, 720, 725, 730, 750, 0,
1282                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1283           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1284         /* 109 - 1280x720@48Hz 64:27 */
1285         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1286                    2280, 2500, 0, 720, 725, 730, 750, 0,
1287                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1288           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1289         /* 110 - 1680x720@48Hz 64:27 */
1290         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490,
1291                    2530, 2750, 0, 720, 725, 730, 750, 0,
1292                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1293           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1294         /* 111 - 1920x1080@48Hz 16:9 */
1295         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1296                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1297                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1298           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1299         /* 112 - 1920x1080@48Hz 64:27 */
1300         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1301                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1302                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1303           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1304         /* 113 - 2560x1080@48Hz 64:27 */
1305         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558,
1306                    3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1307                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1308           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1309         /* 114 - 3840x2160@48Hz 16:9 */
1310         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1311                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1312                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1313           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1314         /* 115 - 4096x2160@48Hz 256:135 */
1315         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116,
1316                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1317                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1318           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1319         /* 116 - 3840x2160@48Hz 64:27 */
1320         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1321                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1322                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1323           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1324         /* 117 - 3840x2160@100Hz 16:9 */
1325         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1326                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1327                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1328           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1329         /* 118 - 3840x2160@120Hz 16:9 */
1330         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1331                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1332                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1333           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1334         /* 119 - 3840x2160@100Hz 64:27 */
1335         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1336                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1337                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1338           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1339         /* 120 - 3840x2160@120Hz 64:27 */
1340         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1341                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1342                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1343           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1344         /* 121 - 5120x2160@24Hz 64:27 */
1345         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116,
1346                    7204, 7500, 0, 2160, 2168, 2178, 2200, 0,
1347                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1348           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1349         /* 122 - 5120x2160@25Hz 64:27 */
1350         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816,
1351                    6904, 7200, 0, 2160, 2168, 2178, 2200, 0,
1352                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1353           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1354         /* 123 - 5120x2160@30Hz 64:27 */
1355         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784,
1356                    5872, 6000, 0, 2160, 2168, 2178, 2200, 0,
1357                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1358           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1359         /* 124 - 5120x2160@48Hz 64:27 */
1360         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866,
1361                    5954, 6250, 0, 2160, 2168, 2178, 2475, 0,
1362                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1363           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1364         /* 125 - 5120x2160@50Hz 64:27 */
1365         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216,
1366                    6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1367                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1368           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1369         /* 126 - 5120x2160@60Hz 64:27 */
1370         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284,
1371                    5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1372                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1373           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1374         /* 127 - 5120x2160@100Hz 64:27 */
1375         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216,
1376                    6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1377                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1378           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1379 };
1380
1381 /*
1382  * From CEA/CTA-861 spec.
1383  *
1384  * Do not access directly, instead always use cea_mode_for_vic().
1385  */
1386 static const struct drm_display_mode edid_cea_modes_193[] = {
1387         /* 193 - 5120x2160@120Hz 64:27 */
1388         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
1389                    5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1390                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1391           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1392         /* 194 - 7680x4320@24Hz 16:9 */
1393         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1394                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1395                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1396           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1397         /* 195 - 7680x4320@25Hz 16:9 */
1398         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1399                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1400                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1401           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1402         /* 196 - 7680x4320@30Hz 16:9 */
1403         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1404                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1405                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1406           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1407         /* 197 - 7680x4320@48Hz 16:9 */
1408         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1409                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1410                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1411           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1412         /* 198 - 7680x4320@50Hz 16:9 */
1413         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1414                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1415                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1416           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1417         /* 199 - 7680x4320@60Hz 16:9 */
1418         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1419                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1420                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1421           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1422         /* 200 - 7680x4320@100Hz 16:9 */
1423         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1424                    9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1425                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1426           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1427         /* 201 - 7680x4320@120Hz 16:9 */
1428         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1429                    8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1430                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1431           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1432         /* 202 - 7680x4320@24Hz 64:27 */
1433         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1434                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1435                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1436           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1437         /* 203 - 7680x4320@25Hz 64:27 */
1438         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1439                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1440                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1441           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1442         /* 204 - 7680x4320@30Hz 64:27 */
1443         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1444                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1445                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1446           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1447         /* 205 - 7680x4320@48Hz 64:27 */
1448         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1449                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1450                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1451           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1452         /* 206 - 7680x4320@50Hz 64:27 */
1453         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1454                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1455                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1456           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1457         /* 207 - 7680x4320@60Hz 64:27 */
1458         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1459                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1460                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1461           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1462         /* 208 - 7680x4320@100Hz 64:27 */
1463         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1464                    9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1465                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1466           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1467         /* 209 - 7680x4320@120Hz 64:27 */
1468         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1469                    8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1470                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1471           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1472         /* 210 - 10240x4320@24Hz 64:27 */
1473         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
1474                    11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1475                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1476           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1477         /* 211 - 10240x4320@25Hz 64:27 */
1478         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
1479                    12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1480                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1481           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1482         /* 212 - 10240x4320@30Hz 64:27 */
1483         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
1484                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1485                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1486           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1487         /* 213 - 10240x4320@48Hz 64:27 */
1488         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
1489                    11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1490                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1491           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1492         /* 214 - 10240x4320@50Hz 64:27 */
1493         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
1494                    12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1495                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1496           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1497         /* 215 - 10240x4320@60Hz 64:27 */
1498         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
1499                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1500                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1501           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1502         /* 216 - 10240x4320@100Hz 64:27 */
1503         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
1504                    12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
1505                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1506           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1507         /* 217 - 10240x4320@120Hz 64:27 */
1508         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
1509                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1510                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1511           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1512         /* 218 - 4096x2160@100Hz 256:135 */
1513         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
1514                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1515                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1516           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1517         /* 219 - 4096x2160@120Hz 256:135 */
1518         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
1519                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1520                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1521           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1522 };
1523
1524 /*
1525  * HDMI 1.4 4k modes. Index using the VIC.
1526  */
1527 static const struct drm_display_mode edid_4k_modes[] = {
1528         /* 0 - dummy, VICs start at 1 */
1529         { },
1530         /* 1 - 3840x2160@30Hz */
1531         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1532                    3840, 4016, 4104, 4400, 0,
1533                    2160, 2168, 2178, 2250, 0,
1534                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1535           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1536         /* 2 - 3840x2160@25Hz */
1537         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1538                    3840, 4896, 4984, 5280, 0,
1539                    2160, 2168, 2178, 2250, 0,
1540                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1541           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1542         /* 3 - 3840x2160@24Hz */
1543         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1544                    3840, 5116, 5204, 5500, 0,
1545                    2160, 2168, 2178, 2250, 0,
1546                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1547           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1548         /* 4 - 4096x2160@24Hz (SMPTE) */
1549         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1550                    4096, 5116, 5204, 5500, 0,
1551                    2160, 2168, 2178, 2250, 0,
1552                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1553           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1554 };
1555
1556 /*** DDC fetch and block validation ***/
1557
1558 static const u8 edid_header[] = {
1559         0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1560 };
1561
1562 /**
1563  * drm_edid_header_is_valid - sanity check the header of the base EDID block
1564  * @raw_edid: pointer to raw base EDID block
1565  *
1566  * Sanity check the header of the base EDID block.
1567  *
1568  * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1569  */
1570 int drm_edid_header_is_valid(const u8 *raw_edid)
1571 {
1572         int i, score = 0;
1573
1574         for (i = 0; i < sizeof(edid_header); i++)
1575                 if (raw_edid[i] == edid_header[i])
1576                         score++;
1577
1578         return score;
1579 }
1580 EXPORT_SYMBOL(drm_edid_header_is_valid);
1581
1582 static int edid_fixup __read_mostly = 6;
1583 module_param_named(edid_fixup, edid_fixup, int, 0400);
1584 MODULE_PARM_DESC(edid_fixup,
1585                  "Minimum number of valid EDID header bytes (0-8, default 6)");
1586
1587 static int validate_displayid(u8 *displayid, int length, int idx);
1588
1589 static int drm_edid_block_checksum(const u8 *raw_edid)
1590 {
1591         int i;
1592         u8 csum = 0, crc = 0;
1593
1594         for (i = 0; i < EDID_LENGTH - 1; i++)
1595                 csum += raw_edid[i];
1596
1597         crc = 0x100 - csum;
1598
1599         return crc;
1600 }
1601
1602 static bool drm_edid_block_checksum_diff(const u8 *raw_edid, u8 real_checksum)
1603 {
1604         if (raw_edid[EDID_LENGTH - 1] != real_checksum)
1605                 return true;
1606         else
1607                 return false;
1608 }
1609
1610 static bool drm_edid_is_zero(const u8 *in_edid, int length)
1611 {
1612         if (memchr_inv(in_edid, 0, length))
1613                 return false;
1614
1615         return true;
1616 }
1617
1618 /**
1619  * drm_edid_are_equal - compare two edid blobs.
1620  * @edid1: pointer to first blob
1621  * @edid2: pointer to second blob
1622  * This helper can be used during probing to determine if
1623  * edid had changed.
1624  */
1625 bool drm_edid_are_equal(const struct edid *edid1, const struct edid *edid2)
1626 {
1627         int edid1_len, edid2_len;
1628         bool edid1_present = edid1 != NULL;
1629         bool edid2_present = edid2 != NULL;
1630
1631         if (edid1_present != edid2_present)
1632                 return false;
1633
1634         if (edid1) {
1635
1636                 edid1_len = EDID_LENGTH * (1 + edid1->extensions);
1637                 edid2_len = EDID_LENGTH * (1 + edid2->extensions);
1638
1639                 if (edid1_len != edid2_len)
1640                         return false;
1641
1642                 if (memcmp(edid1, edid2, edid1_len))
1643                         return false;
1644         }
1645
1646         return true;
1647 }
1648 EXPORT_SYMBOL(drm_edid_are_equal);
1649
1650
1651 /**
1652  * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1653  * @raw_edid: pointer to raw EDID block
1654  * @block: type of block to validate (0 for base, extension otherwise)
1655  * @print_bad_edid: if true, dump bad EDID blocks to the console
1656  * @edid_corrupt: if true, the header or checksum is invalid
1657  *
1658  * Validate a base or extension EDID block and optionally dump bad blocks to
1659  * the console.
1660  *
1661  * Return: True if the block is valid, false otherwise.
1662  */
1663 bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
1664                           bool *edid_corrupt)
1665 {
1666         u8 csum;
1667         struct edid *edid = (struct edid *)raw_edid;
1668
1669         if (WARN_ON(!raw_edid))
1670                 return false;
1671
1672         if (edid_fixup > 8 || edid_fixup < 0)
1673                 edid_fixup = 6;
1674
1675         if (block == 0) {
1676                 int score = drm_edid_header_is_valid(raw_edid);
1677                 if (score == 8) {
1678                         if (edid_corrupt)
1679                                 *edid_corrupt = false;
1680                 } else if (score >= edid_fixup) {
1681                         /* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6
1682                          * The corrupt flag needs to be set here otherwise, the
1683                          * fix-up code here will correct the problem, the
1684                          * checksum is correct and the test fails
1685                          */
1686                         if (edid_corrupt)
1687                                 *edid_corrupt = true;
1688                         DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
1689                         memcpy(raw_edid, edid_header, sizeof(edid_header));
1690                 } else {
1691                         if (edid_corrupt)
1692                                 *edid_corrupt = true;
1693                         goto bad;
1694                 }
1695         }
1696
1697         csum = drm_edid_block_checksum(raw_edid);
1698         if (drm_edid_block_checksum_diff(raw_edid, csum)) {
1699                 if (edid_corrupt)
1700                         *edid_corrupt = true;
1701
1702                 /* allow CEA to slide through, switches mangle this */
1703                 if (raw_edid[0] == CEA_EXT) {
1704                         DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum);
1705                         DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n");
1706                 } else {
1707                         if (print_bad_edid)
1708                                 DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
1709
1710                         goto bad;
1711                 }
1712         }
1713
1714         /* per-block-type checks */
1715         switch (raw_edid[0]) {
1716         case 0: /* base */
1717                 if (edid->version != 1) {
1718                         DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
1719                         goto bad;
1720                 }
1721
1722                 if (edid->revision > 4)
1723                         DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
1724                 break;
1725
1726         default:
1727                 break;
1728         }
1729
1730         return true;
1731
1732 bad:
1733         if (print_bad_edid) {
1734                 if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1735                         pr_notice("EDID block is all zeroes\n");
1736                 } else {
1737                         pr_notice("Raw EDID:\n");
1738                         print_hex_dump(KERN_NOTICE,
1739                                        " \t", DUMP_PREFIX_NONE, 16, 1,
1740                                        raw_edid, EDID_LENGTH, false);
1741                 }
1742         }
1743         return false;
1744 }
1745 EXPORT_SYMBOL(drm_edid_block_valid);
1746
1747 /**
1748  * drm_edid_is_valid - sanity check EDID data
1749  * @edid: EDID data
1750  *
1751  * Sanity-check an entire EDID record (including extensions)
1752  *
1753  * Return: True if the EDID data is valid, false otherwise.
1754  */
1755 bool drm_edid_is_valid(struct edid *edid)
1756 {
1757         int i;
1758         u8 *raw = (u8 *)edid;
1759
1760         if (!edid)
1761                 return false;
1762
1763         for (i = 0; i <= edid->extensions; i++)
1764                 if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
1765                         return false;
1766
1767         return true;
1768 }
1769 EXPORT_SYMBOL(drm_edid_is_valid);
1770
1771 #define DDC_SEGMENT_ADDR 0x30
1772 /**
1773  * drm_do_probe_ddc_edid() - get EDID information via I2C
1774  * @data: I2C device adapter
1775  * @buf: EDID data buffer to be filled
1776  * @block: 128 byte EDID block to start fetching from
1777  * @len: EDID data buffer length to fetch
1778  *
1779  * Try to fetch EDID information by calling I2C driver functions.
1780  *
1781  * Return: 0 on success or -1 on failure.
1782  */
1783 static int
1784 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1785 {
1786         struct i2c_adapter *adapter = data;
1787         unsigned char start = block * EDID_LENGTH;
1788         unsigned char segment = block >> 1;
1789         unsigned char xfers = segment ? 3 : 2;
1790         int ret, retries = 5;
1791
1792         /*
1793          * The core I2C driver will automatically retry the transfer if the
1794          * adapter reports EAGAIN. However, we find that bit-banging transfers
1795          * are susceptible to errors under a heavily loaded machine and
1796          * generate spurious NAKs and timeouts. Retrying the transfer
1797          * of the individual block a few times seems to overcome this.
1798          */
1799         do {
1800                 struct i2c_msg msgs[] = {
1801                         {
1802                                 .addr   = DDC_SEGMENT_ADDR,
1803                                 .flags  = 0,
1804                                 .len    = 1,
1805                                 .buf    = &segment,
1806                         }, {
1807                                 .addr   = DDC_ADDR,
1808                                 .flags  = 0,
1809                                 .len    = 1,
1810                                 .buf    = &start,
1811                         }, {
1812                                 .addr   = DDC_ADDR,
1813                                 .flags  = I2C_M_RD,
1814                                 .len    = len,
1815                                 .buf    = buf,
1816                         }
1817                 };
1818
1819                 /*
1820                  * Avoid sending the segment addr to not upset non-compliant
1821                  * DDC monitors.
1822                  */
1823                 ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
1824
1825                 if (ret == -ENXIO) {
1826                         DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1827                                         adapter->name);
1828                         break;
1829                 }
1830         } while (ret != xfers && --retries);
1831
1832         return ret == xfers ? 0 : -1;
1833 }
1834
1835 static void connector_bad_edid(struct drm_connector *connector,
1836                                u8 *edid, int num_blocks)
1837 {
1838         int i;
1839         u8 num_of_ext = edid[0x7e];
1840
1841         /* Calculate real checksum for the last edid extension block data */
1842         connector->real_edid_checksum =
1843                 drm_edid_block_checksum(edid + num_of_ext * EDID_LENGTH);
1844
1845         if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
1846                 return;
1847
1848         dev_warn(connector->dev->dev,
1849                  "%s: EDID is invalid:\n",
1850                  connector->name);
1851         for (i = 0; i < num_blocks; i++) {
1852                 u8 *block = edid + i * EDID_LENGTH;
1853                 char prefix[20];
1854
1855                 if (drm_edid_is_zero(block, EDID_LENGTH))
1856                         sprintf(prefix, "\t[%02x] ZERO ", i);
1857                 else if (!drm_edid_block_valid(block, i, false, NULL))
1858                         sprintf(prefix, "\t[%02x] BAD  ", i);
1859                 else
1860                         sprintf(prefix, "\t[%02x] GOOD ", i);
1861
1862                 print_hex_dump(KERN_WARNING,
1863                                prefix, DUMP_PREFIX_NONE, 16, 1,
1864                                block, EDID_LENGTH, false);
1865         }
1866 }
1867
1868 /* Get override or firmware EDID */
1869 static struct edid *drm_get_override_edid(struct drm_connector *connector)
1870 {
1871         struct edid *override = NULL;
1872
1873         if (connector->override_edid)
1874                 override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1875
1876         if (!override)
1877                 override = drm_load_edid_firmware(connector);
1878
1879         return IS_ERR(override) ? NULL : override;
1880 }
1881
1882 /**
1883  * drm_add_override_edid_modes - add modes from override/firmware EDID
1884  * @connector: connector we're probing
1885  *
1886  * Add modes from the override/firmware EDID, if available. Only to be used from
1887  * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1888  * failed during drm_get_edid() and caused the override/firmware EDID to be
1889  * skipped.
1890  *
1891  * Return: The number of modes added or 0 if we couldn't find any.
1892  */
1893 int drm_add_override_edid_modes(struct drm_connector *connector)
1894 {
1895         struct edid *override;
1896         int num_modes = 0;
1897
1898         override = drm_get_override_edid(connector);
1899         if (override) {
1900                 drm_connector_update_edid_property(connector, override);
1901                 num_modes = drm_add_edid_modes(connector, override);
1902                 kfree(override);
1903
1904                 DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1905                               connector->base.id, connector->name, num_modes);
1906         }
1907
1908         return num_modes;
1909 }
1910 EXPORT_SYMBOL(drm_add_override_edid_modes);
1911
1912 /**
1913  * drm_do_get_edid - get EDID data using a custom EDID block read function
1914  * @connector: connector we're probing
1915  * @get_edid_block: EDID block read function
1916  * @data: private data passed to the block read function
1917  *
1918  * When the I2C adapter connected to the DDC bus is hidden behind a device that
1919  * exposes a different interface to read EDID blocks this function can be used
1920  * to get EDID data using a custom block read function.
1921  *
1922  * As in the general case the DDC bus is accessible by the kernel at the I2C
1923  * level, drivers must make all reasonable efforts to expose it as an I2C
1924  * adapter and use drm_get_edid() instead of abusing this function.
1925  *
1926  * The EDID may be overridden using debugfs override_edid or firmare EDID
1927  * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1928  * order. Having either of them bypasses actual EDID reads.
1929  *
1930  * Return: Pointer to valid EDID or NULL if we couldn't find any.
1931  */
1932 struct edid *drm_do_get_edid(struct drm_connector *connector,
1933         int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1934                               size_t len),
1935         void *data)
1936 {
1937         int i, j = 0, valid_extensions = 0;
1938         u8 *edid, *new;
1939         struct edid *override;
1940
1941         override = drm_get_override_edid(connector);
1942         if (override)
1943                 return override;
1944
1945         if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1946                 return NULL;
1947
1948         /* base block fetch */
1949         for (i = 0; i < 4; i++) {
1950                 if (get_edid_block(data, edid, 0, EDID_LENGTH))
1951                         goto out;
1952                 if (drm_edid_block_valid(edid, 0, false,
1953                                          &connector->edid_corrupt))
1954                         break;
1955                 if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1956                         connector->null_edid_counter++;
1957                         goto carp;
1958                 }
1959         }
1960         if (i == 4)
1961                 goto carp;
1962
1963         /* if there's no extensions, we're done */
1964         valid_extensions = edid[0x7e];
1965         if (valid_extensions == 0)
1966                 return (struct edid *)edid;
1967
1968         new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1969         if (!new)
1970                 goto out;
1971         edid = new;
1972
1973         for (j = 1; j <= edid[0x7e]; j++) {
1974                 u8 *block = edid + j * EDID_LENGTH;
1975
1976                 for (i = 0; i < 4; i++) {
1977                         if (get_edid_block(data, block, j, EDID_LENGTH))
1978                                 goto out;
1979                         if (drm_edid_block_valid(block, j, false, NULL))
1980                                 break;
1981                 }
1982
1983                 if (i == 4)
1984                         valid_extensions--;
1985         }
1986
1987         if (valid_extensions != edid[0x7e]) {
1988                 u8 *base;
1989
1990                 connector_bad_edid(connector, edid, edid[0x7e] + 1);
1991
1992                 edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
1993                 edid[0x7e] = valid_extensions;
1994
1995                 new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
1996                                     GFP_KERNEL);
1997                 if (!new)
1998                         goto out;
1999
2000                 base = new;
2001                 for (i = 0; i <= edid[0x7e]; i++) {
2002                         u8 *block = edid + i * EDID_LENGTH;
2003
2004                         if (!drm_edid_block_valid(block, i, false, NULL))
2005                                 continue;
2006
2007                         memcpy(base, block, EDID_LENGTH);
2008                         base += EDID_LENGTH;
2009                 }
2010
2011                 kfree(edid);
2012                 edid = new;
2013         }
2014
2015         return (struct edid *)edid;
2016
2017 carp:
2018         connector_bad_edid(connector, edid, 1);
2019 out:
2020         kfree(edid);
2021         return NULL;
2022 }
2023 EXPORT_SYMBOL_GPL(drm_do_get_edid);
2024
2025 /**
2026  * drm_probe_ddc() - probe DDC presence
2027  * @adapter: I2C adapter to probe
2028  *
2029  * Return: True on success, false on failure.
2030  */
2031 bool
2032 drm_probe_ddc(struct i2c_adapter *adapter)
2033 {
2034         unsigned char out;
2035
2036         return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2037 }
2038 EXPORT_SYMBOL(drm_probe_ddc);
2039
2040 /**
2041  * drm_get_edid - get EDID data, if available
2042  * @connector: connector we're probing
2043  * @adapter: I2C adapter to use for DDC
2044  *
2045  * Poke the given I2C channel to grab EDID data if possible.  If found,
2046  * attach it to the connector.
2047  *
2048  * Return: Pointer to valid EDID or NULL if we couldn't find any.
2049  */
2050 struct edid *drm_get_edid(struct drm_connector *connector,
2051                           struct i2c_adapter *adapter)
2052 {
2053         if (connector->force == DRM_FORCE_OFF)
2054                 return NULL;
2055
2056         if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2057                 return NULL;
2058
2059         return drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2060 }
2061 EXPORT_SYMBOL(drm_get_edid);
2062
2063 /**
2064  * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2065  * @connector: connector we're probing
2066  * @adapter: I2C adapter to use for DDC
2067  *
2068  * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2069  * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2070  * switch DDC to the GPU which is retrieving EDID.
2071  *
2072  * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2073  */
2074 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2075                                      struct i2c_adapter *adapter)
2076 {
2077         struct pci_dev *pdev = connector->dev->pdev;
2078         struct edid *edid;
2079
2080         vga_switcheroo_lock_ddc(pdev);
2081         edid = drm_get_edid(connector, adapter);
2082         vga_switcheroo_unlock_ddc(pdev);
2083
2084         return edid;
2085 }
2086 EXPORT_SYMBOL(drm_get_edid_switcheroo);
2087
2088 /**
2089  * drm_edid_duplicate - duplicate an EDID and the extensions
2090  * @edid: EDID to duplicate
2091  *
2092  * Return: Pointer to duplicated EDID or NULL on allocation failure.
2093  */
2094 struct edid *drm_edid_duplicate(const struct edid *edid)
2095 {
2096         return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2097 }
2098 EXPORT_SYMBOL(drm_edid_duplicate);
2099
2100 /*** EDID parsing ***/
2101
2102 /**
2103  * edid_vendor - match a string against EDID's obfuscated vendor field
2104  * @edid: EDID to match
2105  * @vendor: vendor string
2106  *
2107  * Returns true if @vendor is in @edid, false otherwise
2108  */
2109 static bool edid_vendor(const struct edid *edid, const char *vendor)
2110 {
2111         char edid_vendor[3];
2112
2113         edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
2114         edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
2115                           ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
2116         edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
2117
2118         return !strncmp(edid_vendor, vendor, 3);
2119 }
2120
2121 /**
2122  * edid_get_quirks - return quirk flags for a given EDID
2123  * @edid: EDID to process
2124  *
2125  * This tells subsequent routines what fixes they need to apply.
2126  */
2127 static u32 edid_get_quirks(const struct edid *edid)
2128 {
2129         const struct edid_quirk *quirk;
2130         int i;
2131
2132         for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2133                 quirk = &edid_quirk_list[i];
2134
2135                 if (edid_vendor(edid, quirk->vendor) &&
2136                     (EDID_PRODUCT_ID(edid) == quirk->product_id))
2137                         return quirk->quirks;
2138         }
2139
2140         return 0;
2141 }
2142
2143 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2144 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2145
2146 /**
2147  * edid_fixup_preferred - set preferred modes based on quirk list
2148  * @connector: has mode list to fix up
2149  * @quirks: quirks list
2150  *
2151  * Walk the mode list for @connector, clearing the preferred status
2152  * on existing modes and setting it anew for the right mode ala @quirks.
2153  */
2154 static void edid_fixup_preferred(struct drm_connector *connector,
2155                                  u32 quirks)
2156 {
2157         struct drm_display_mode *t, *cur_mode, *preferred_mode;
2158         int target_refresh = 0;
2159         int cur_vrefresh, preferred_vrefresh;
2160
2161         if (list_empty(&connector->probed_modes))
2162                 return;
2163
2164         if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2165                 target_refresh = 60;
2166         if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2167                 target_refresh = 75;
2168
2169         preferred_mode = list_first_entry(&connector->probed_modes,
2170                                           struct drm_display_mode, head);
2171
2172         list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2173                 cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2174
2175                 if (cur_mode == preferred_mode)
2176                         continue;
2177
2178                 /* Largest mode is preferred */
2179                 if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2180                         preferred_mode = cur_mode;
2181
2182                 cur_vrefresh = drm_mode_vrefresh(cur_mode);
2183                 preferred_vrefresh = drm_mode_vrefresh(preferred_mode);
2184                 /* At a given size, try to get closest to target refresh */
2185                 if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2186                     MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2187                     MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2188                         preferred_mode = cur_mode;
2189                 }
2190         }
2191
2192         preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2193 }
2194
2195 static bool
2196 mode_is_rb(const struct drm_display_mode *mode)
2197 {
2198         return (mode->htotal - mode->hdisplay == 160) &&
2199                (mode->hsync_end - mode->hdisplay == 80) &&
2200                (mode->hsync_end - mode->hsync_start == 32) &&
2201                (mode->vsync_start - mode->vdisplay == 3);
2202 }
2203
2204 /*
2205  * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2206  * @dev: Device to duplicate against
2207  * @hsize: Mode width
2208  * @vsize: Mode height
2209  * @fresh: Mode refresh rate
2210  * @rb: Mode reduced-blanking-ness
2211  *
2212  * Walk the DMT mode list looking for a match for the given parameters.
2213  *
2214  * Return: A newly allocated copy of the mode, or NULL if not found.
2215  */
2216 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2217                                            int hsize, int vsize, int fresh,
2218                                            bool rb)
2219 {
2220         int i;
2221
2222         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2223                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2224                 if (hsize != ptr->hdisplay)
2225                         continue;
2226                 if (vsize != ptr->vdisplay)
2227                         continue;
2228                 if (fresh != drm_mode_vrefresh(ptr))
2229                         continue;
2230                 if (rb != mode_is_rb(ptr))
2231                         continue;
2232
2233                 return drm_mode_duplicate(dev, ptr);
2234         }
2235
2236         return NULL;
2237 }
2238 EXPORT_SYMBOL(drm_mode_find_dmt);
2239
2240 static bool is_display_descriptor(const u8 d[18], u8 tag)
2241 {
2242         return d[0] == 0x00 && d[1] == 0x00 &&
2243                 d[2] == 0x00 && d[3] == tag;
2244 }
2245
2246 static bool is_detailed_timing_descriptor(const u8 d[18])
2247 {
2248         return d[0] != 0x00 || d[1] != 0x00;
2249 }
2250
2251 typedef void detailed_cb(struct detailed_timing *timing, void *closure);
2252
2253 static void
2254 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2255 {
2256         int i, n;
2257         u8 d = ext[0x02];
2258         u8 *det_base = ext + d;
2259
2260         if (d < 4 || d > 127)
2261                 return;
2262
2263         n = (127 - d) / 18;
2264         for (i = 0; i < n; i++)
2265                 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2266 }
2267
2268 static void
2269 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2270 {
2271         unsigned int i, n = min((int)ext[0x02], 6);
2272         u8 *det_base = ext + 5;
2273
2274         if (ext[0x01] != 1)
2275                 return; /* unknown version */
2276
2277         for (i = 0; i < n; i++)
2278                 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2279 }
2280
2281 static void
2282 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
2283 {
2284         int i;
2285         struct edid *edid = (struct edid *)raw_edid;
2286
2287         if (edid == NULL)
2288                 return;
2289
2290         for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2291                 cb(&(edid->detailed_timings[i]), closure);
2292
2293         for (i = 1; i <= raw_edid[0x7e]; i++) {
2294                 u8 *ext = raw_edid + (i * EDID_LENGTH);
2295                 switch (*ext) {
2296                 case CEA_EXT:
2297                         cea_for_each_detailed_block(ext, cb, closure);
2298                         break;
2299                 case VTB_EXT:
2300                         vtb_for_each_detailed_block(ext, cb, closure);
2301                         break;
2302                 default:
2303                         break;
2304                 }
2305         }
2306 }
2307
2308 static void
2309 is_rb(struct detailed_timing *t, void *data)
2310 {
2311         u8 *r = (u8 *)t;
2312
2313         if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2314                 return;
2315
2316         if (r[15] & 0x10)
2317                 *(bool *)data = true;
2318 }
2319
2320 /* EDID 1.4 defines this explicitly.  For EDID 1.3, we guess, badly. */
2321 static bool
2322 drm_monitor_supports_rb(struct edid *edid)
2323 {
2324         if (edid->revision >= 4) {
2325                 bool ret = false;
2326                 drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2327                 return ret;
2328         }
2329
2330         return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2331 }
2332
2333 static void
2334 find_gtf2(struct detailed_timing *t, void *data)
2335 {
2336         u8 *r = (u8 *)t;
2337
2338         if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2339                 return;
2340
2341         if (r[10] == 0x02)
2342                 *(u8 **)data = r;
2343 }
2344
2345 /* Secondary GTF curve kicks in above some break frequency */
2346 static int
2347 drm_gtf2_hbreak(struct edid *edid)
2348 {
2349         u8 *r = NULL;
2350         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2351         return r ? (r[12] * 2) : 0;
2352 }
2353
2354 static int
2355 drm_gtf2_2c(struct edid *edid)
2356 {
2357         u8 *r = NULL;
2358         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2359         return r ? r[13] : 0;
2360 }
2361
2362 static int
2363 drm_gtf2_m(struct edid *edid)
2364 {
2365         u8 *r = NULL;
2366         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2367         return r ? (r[15] << 8) + r[14] : 0;
2368 }
2369
2370 static int
2371 drm_gtf2_k(struct edid *edid)
2372 {
2373         u8 *r = NULL;
2374         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2375         return r ? r[16] : 0;
2376 }
2377
2378 static int
2379 drm_gtf2_2j(struct edid *edid)
2380 {
2381         u8 *r = NULL;
2382         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2383         return r ? r[17] : 0;
2384 }
2385
2386 /**
2387  * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2388  * @edid: EDID block to scan
2389  */
2390 static int standard_timing_level(struct edid *edid)
2391 {
2392         if (edid->revision >= 2) {
2393                 if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2394                         return LEVEL_CVT;
2395                 if (drm_gtf2_hbreak(edid))
2396                         return LEVEL_GTF2;
2397                 if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2398                         return LEVEL_GTF;
2399         }
2400         return LEVEL_DMT;
2401 }
2402
2403 /*
2404  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
2405  * monitors fill with ascii space (0x20) instead.
2406  */
2407 static int
2408 bad_std_timing(u8 a, u8 b)
2409 {
2410         return (a == 0x00 && b == 0x00) ||
2411                (a == 0x01 && b == 0x01) ||
2412                (a == 0x20 && b == 0x20);
2413 }
2414
2415 static int drm_mode_hsync(const struct drm_display_mode *mode)
2416 {
2417         if (mode->htotal <= 0)
2418                 return 0;
2419
2420         return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
2421 }
2422
2423 /**
2424  * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2425  * @connector: connector of for the EDID block
2426  * @edid: EDID block to scan
2427  * @t: standard timing params
2428  *
2429  * Take the standard timing params (in this case width, aspect, and refresh)
2430  * and convert them into a real mode using CVT/GTF/DMT.
2431  */
2432 static struct drm_display_mode *
2433 drm_mode_std(struct drm_connector *connector, struct edid *edid,
2434              struct std_timing *t)
2435 {
2436         struct drm_device *dev = connector->dev;
2437         struct drm_display_mode *m, *mode = NULL;
2438         int hsize, vsize;
2439         int vrefresh_rate;
2440         unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2441                 >> EDID_TIMING_ASPECT_SHIFT;
2442         unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2443                 >> EDID_TIMING_VFREQ_SHIFT;
2444         int timing_level = standard_timing_level(edid);
2445
2446         if (bad_std_timing(t->hsize, t->vfreq_aspect))
2447                 return NULL;
2448
2449         /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2450         hsize = t->hsize * 8 + 248;
2451         /* vrefresh_rate = vfreq + 60 */
2452         vrefresh_rate = vfreq + 60;
2453         /* the vdisplay is calculated based on the aspect ratio */
2454         if (aspect_ratio == 0) {
2455                 if (edid->revision < 3)
2456                         vsize = hsize;
2457                 else
2458                         vsize = (hsize * 10) / 16;
2459         } else if (aspect_ratio == 1)
2460                 vsize = (hsize * 3) / 4;
2461         else if (aspect_ratio == 2)
2462                 vsize = (hsize * 4) / 5;
2463         else
2464                 vsize = (hsize * 9) / 16;
2465
2466         /* HDTV hack, part 1 */
2467         if (vrefresh_rate == 60 &&
2468             ((hsize == 1360 && vsize == 765) ||
2469              (hsize == 1368 && vsize == 769))) {
2470                 hsize = 1366;
2471                 vsize = 768;
2472         }
2473
2474         /*
2475          * If this connector already has a mode for this size and refresh
2476          * rate (because it came from detailed or CVT info), use that
2477          * instead.  This way we don't have to guess at interlace or
2478          * reduced blanking.
2479          */
2480         list_for_each_entry(m, &connector->probed_modes, head)
2481                 if (m->hdisplay == hsize && m->vdisplay == vsize &&
2482                     drm_mode_vrefresh(m) == vrefresh_rate)
2483                         return NULL;
2484
2485         /* HDTV hack, part 2 */
2486         if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2487                 mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2488                                     false);
2489                 if (!mode)
2490                         return NULL;
2491                 mode->hdisplay = 1366;
2492                 mode->hsync_start = mode->hsync_start - 1;
2493                 mode->hsync_end = mode->hsync_end - 1;
2494                 return mode;
2495         }
2496
2497         /* check whether it can be found in default mode table */
2498         if (drm_monitor_supports_rb(edid)) {
2499                 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2500                                          true);
2501                 if (mode)
2502                         return mode;
2503         }
2504         mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2505         if (mode)
2506                 return mode;
2507
2508         /* okay, generate it */
2509         switch (timing_level) {
2510         case LEVEL_DMT:
2511                 break;
2512         case LEVEL_GTF:
2513                 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2514                 break;
2515         case LEVEL_GTF2:
2516                 /*
2517                  * This is potentially wrong if there's ever a monitor with
2518                  * more than one ranges section, each claiming a different
2519                  * secondary GTF curve.  Please don't do that.
2520                  */
2521                 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2522                 if (!mode)
2523                         return NULL;
2524                 if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2525                         drm_mode_destroy(dev, mode);
2526                         mode = drm_gtf_mode_complex(dev, hsize, vsize,
2527                                                     vrefresh_rate, 0, 0,
2528                                                     drm_gtf2_m(edid),
2529                                                     drm_gtf2_2c(edid),
2530                                                     drm_gtf2_k(edid),
2531                                                     drm_gtf2_2j(edid));
2532                 }
2533                 break;
2534         case LEVEL_CVT:
2535                 mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2536                                     false);
2537                 break;
2538         }
2539         return mode;
2540 }
2541
2542 /*
2543  * EDID is delightfully ambiguous about how interlaced modes are to be
2544  * encoded.  Our internal representation is of frame height, but some
2545  * HDTV detailed timings are encoded as field height.
2546  *
2547  * The format list here is from CEA, in frame size.  Technically we
2548  * should be checking refresh rate too.  Whatever.
2549  */
2550 static void
2551 drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2552                             struct detailed_pixel_timing *pt)
2553 {
2554         int i;
2555         static const struct {
2556                 int w, h;
2557         } cea_interlaced[] = {
2558                 { 1920, 1080 },
2559                 {  720,  480 },
2560                 { 1440,  480 },
2561                 { 2880,  480 },
2562                 {  720,  576 },
2563                 { 1440,  576 },
2564                 { 2880,  576 },
2565         };
2566
2567         if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2568                 return;
2569
2570         for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2571                 if ((mode->hdisplay == cea_interlaced[i].w) &&
2572                     (mode->vdisplay == cea_interlaced[i].h / 2)) {
2573                         mode->vdisplay *= 2;
2574                         mode->vsync_start *= 2;
2575                         mode->vsync_end *= 2;
2576                         mode->vtotal *= 2;
2577                         mode->vtotal |= 1;
2578                 }
2579         }
2580
2581         mode->flags |= DRM_MODE_FLAG_INTERLACE;
2582 }
2583
2584 /**
2585  * drm_mode_detailed - create a new mode from an EDID detailed timing section
2586  * @dev: DRM device (needed to create new mode)
2587  * @edid: EDID block
2588  * @timing: EDID detailed timing info
2589  * @quirks: quirks to apply
2590  *
2591  * An EDID detailed timing block contains enough info for us to create and
2592  * return a new struct drm_display_mode.
2593  */
2594 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2595                                                   struct edid *edid,
2596                                                   struct detailed_timing *timing,
2597                                                   u32 quirks)
2598 {
2599         struct drm_display_mode *mode;
2600         struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2601         unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2602         unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2603         unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2604         unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2605         unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2606         unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2607         unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2608         unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2609
2610         /* ignore tiny modes */
2611         if (hactive < 64 || vactive < 64)
2612                 return NULL;
2613
2614         if (pt->misc & DRM_EDID_PT_STEREO) {
2615                 DRM_DEBUG_KMS("stereo mode not supported\n");
2616                 return NULL;
2617         }
2618         if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2619                 DRM_DEBUG_KMS("composite sync not supported\n");
2620         }
2621
2622         /* it is incorrect if hsync/vsync width is zero */
2623         if (!hsync_pulse_width || !vsync_pulse_width) {
2624                 DRM_DEBUG_KMS("Incorrect Detailed timing. "
2625                                 "Wrong Hsync/Vsync pulse width\n");
2626                 return NULL;
2627         }
2628
2629         if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2630                 mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2631                 if (!mode)
2632                         return NULL;
2633
2634                 goto set_size;
2635         }
2636
2637         mode = drm_mode_create(dev);
2638         if (!mode)
2639                 return NULL;
2640
2641         if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2642                 timing->pixel_clock = cpu_to_le16(1088);
2643
2644         mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2645
2646         mode->hdisplay = hactive;
2647         mode->hsync_start = mode->hdisplay + hsync_offset;
2648         mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2649         mode->htotal = mode->hdisplay + hblank;
2650
2651         mode->vdisplay = vactive;
2652         mode->vsync_start = mode->vdisplay + vsync_offset;
2653         mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2654         mode->vtotal = mode->vdisplay + vblank;
2655
2656         /* Some EDIDs have bogus h/vtotal values */
2657         if (mode->hsync_end > mode->htotal)
2658                 mode->htotal = mode->hsync_end + 1;
2659         if (mode->vsync_end > mode->vtotal)
2660                 mode->vtotal = mode->vsync_end + 1;
2661
2662         drm_mode_do_interlace_quirk(mode, pt);
2663
2664         if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2665                 pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
2666         }
2667
2668         mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2669                 DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2670         mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2671                 DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2672
2673 set_size:
2674         mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2675         mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2676
2677         if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2678                 mode->width_mm *= 10;
2679                 mode->height_mm *= 10;
2680         }
2681
2682         if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2683                 mode->width_mm = edid->width_cm * 10;
2684                 mode->height_mm = edid->height_cm * 10;
2685         }
2686
2687         mode->type = DRM_MODE_TYPE_DRIVER;
2688         drm_mode_set_name(mode);
2689
2690         return mode;
2691 }
2692
2693 static bool
2694 mode_in_hsync_range(const struct drm_display_mode *mode,
2695                     struct edid *edid, u8 *t)
2696 {
2697         int hsync, hmin, hmax;
2698
2699         hmin = t[7];
2700         if (edid->revision >= 4)
2701             hmin += ((t[4] & 0x04) ? 255 : 0);
2702         hmax = t[8];
2703         if (edid->revision >= 4)
2704             hmax += ((t[4] & 0x08) ? 255 : 0);
2705         hsync = drm_mode_hsync(mode);
2706
2707         return (hsync <= hmax && hsync >= hmin);
2708 }
2709
2710 static bool
2711 mode_in_vsync_range(const struct drm_display_mode *mode,
2712                     struct edid *edid, u8 *t)
2713 {
2714         int vsync, vmin, vmax;
2715
2716         vmin = t[5];
2717         if (edid->revision >= 4)
2718             vmin += ((t[4] & 0x01) ? 255 : 0);
2719         vmax = t[6];
2720         if (edid->revision >= 4)
2721             vmax += ((t[4] & 0x02) ? 255 : 0);
2722         vsync = drm_mode_vrefresh(mode);
2723
2724         return (vsync <= vmax && vsync >= vmin);
2725 }
2726
2727 static u32
2728 range_pixel_clock(struct edid *edid, u8 *t)
2729 {
2730         /* unspecified */
2731         if (t[9] == 0 || t[9] == 255)
2732                 return 0;
2733
2734         /* 1.4 with CVT support gives us real precision, yay */
2735         if (edid->revision >= 4 && t[10] == 0x04)
2736                 return (t[9] * 10000) - ((t[12] >> 2) * 250);
2737
2738         /* 1.3 is pathetic, so fuzz up a bit */
2739         return t[9] * 10000 + 5001;
2740 }
2741
2742 static bool
2743 mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2744               struct detailed_timing *timing)
2745 {
2746         u32 max_clock;
2747         u8 *t = (u8 *)timing;
2748
2749         if (!mode_in_hsync_range(mode, edid, t))
2750                 return false;
2751
2752         if (!mode_in_vsync_range(mode, edid, t))
2753                 return false;
2754
2755         if ((max_clock = range_pixel_clock(edid, t)))
2756                 if (mode->clock > max_clock)
2757                         return false;
2758
2759         /* 1.4 max horizontal check */
2760         if (edid->revision >= 4 && t[10] == 0x04)
2761                 if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2762                         return false;
2763
2764         if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2765                 return false;
2766
2767         return true;
2768 }
2769
2770 static bool valid_inferred_mode(const struct drm_connector *connector,
2771                                 const struct drm_display_mode *mode)
2772 {
2773         const struct drm_display_mode *m;
2774         bool ok = false;
2775
2776         list_for_each_entry(m, &connector->probed_modes, head) {
2777                 if (mode->hdisplay == m->hdisplay &&
2778                     mode->vdisplay == m->vdisplay &&
2779                     drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2780                         return false; /* duplicated */
2781                 if (mode->hdisplay <= m->hdisplay &&
2782                     mode->vdisplay <= m->vdisplay)
2783                         ok = true;
2784         }
2785         return ok;
2786 }
2787
2788 static int
2789 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2790                         struct detailed_timing *timing)
2791 {
2792         int i, modes = 0;
2793         struct drm_display_mode *newmode;
2794         struct drm_device *dev = connector->dev;
2795
2796         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2797                 if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2798                     valid_inferred_mode(connector, drm_dmt_modes + i)) {
2799                         newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2800                         if (newmode) {
2801                                 drm_mode_probed_add(connector, newmode);
2802                                 modes++;
2803                         }
2804                 }
2805         }
2806
2807         return modes;
2808 }
2809
2810 /* fix up 1366x768 mode from 1368x768;
2811  * GFT/CVT can't express 1366 width which isn't dividable by 8
2812  */
2813 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2814 {
2815         if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2816                 mode->hdisplay = 1366;
2817                 mode->hsync_start--;
2818                 mode->hsync_end--;
2819                 drm_mode_set_name(mode);
2820         }
2821 }
2822
2823 static int
2824 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2825                         struct detailed_timing *timing)
2826 {
2827         int i, modes = 0;
2828         struct drm_display_mode *newmode;
2829         struct drm_device *dev = connector->dev;
2830
2831         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2832                 const struct minimode *m = &extra_modes[i];
2833                 newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2834                 if (!newmode)
2835                         return modes;
2836
2837                 drm_mode_fixup_1366x768(newmode);
2838                 if (!mode_in_range(newmode, edid, timing) ||
2839                     !valid_inferred_mode(connector, newmode)) {
2840                         drm_mode_destroy(dev, newmode);
2841                         continue;
2842                 }
2843
2844                 drm_mode_probed_add(connector, newmode);
2845                 modes++;
2846         }
2847
2848         return modes;
2849 }
2850
2851 static int
2852 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2853                         struct detailed_timing *timing)
2854 {
2855         int i, modes = 0;
2856         struct drm_display_mode *newmode;
2857         struct drm_device *dev = connector->dev;
2858         bool rb = drm_monitor_supports_rb(edid);
2859
2860         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2861                 const struct minimode *m = &extra_modes[i];
2862                 newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2863                 if (!newmode)
2864                         return modes;
2865
2866                 drm_mode_fixup_1366x768(newmode);
2867                 if (!mode_in_range(newmode, edid, timing) ||
2868                     !valid_inferred_mode(connector, newmode)) {
2869                         drm_mode_destroy(dev, newmode);
2870                         continue;
2871                 }
2872
2873                 drm_mode_probed_add(connector, newmode);
2874                 modes++;
2875         }
2876
2877         return modes;
2878 }
2879
2880 static void
2881 do_inferred_modes(struct detailed_timing *timing, void *c)
2882 {
2883         struct detailed_mode_closure *closure = c;
2884         struct detailed_non_pixel *data = &timing->data.other_data;
2885         struct detailed_data_monitor_range *range = &data->data.range;
2886
2887         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
2888                 return;
2889
2890         closure->modes += drm_dmt_modes_for_range(closure->connector,
2891                                                   closure->edid,
2892                                                   timing);
2893
2894         if (!version_greater(closure->edid, 1, 1))
2895                 return; /* GTF not defined yet */
2896
2897         switch (range->flags) {
2898         case 0x02: /* secondary gtf, XXX could do more */
2899         case 0x00: /* default gtf */
2900                 closure->modes += drm_gtf_modes_for_range(closure->connector,
2901                                                           closure->edid,
2902                                                           timing);
2903                 break;
2904         case 0x04: /* cvt, only in 1.4+ */
2905                 if (!version_greater(closure->edid, 1, 3))
2906                         break;
2907
2908                 closure->modes += drm_cvt_modes_for_range(closure->connector,
2909                                                           closure->edid,
2910                                                           timing);
2911                 break;
2912         case 0x01: /* just the ranges, no formula */
2913         default:
2914                 break;
2915         }
2916 }
2917
2918 static int
2919 add_inferred_modes(struct drm_connector *connector, struct edid *edid)
2920 {
2921         struct detailed_mode_closure closure = {
2922                 .connector = connector,
2923                 .edid = edid,
2924         };
2925
2926         if (version_greater(edid, 1, 0))
2927                 drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
2928                                             &closure);
2929
2930         return closure.modes;
2931 }
2932
2933 static int
2934 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
2935 {
2936         int i, j, m, modes = 0;
2937         struct drm_display_mode *mode;
2938         u8 *est = ((u8 *)timing) + 6;
2939
2940         for (i = 0; i < 6; i++) {
2941                 for (j = 7; j >= 0; j--) {
2942                         m = (i * 8) + (7 - j);
2943                         if (m >= ARRAY_SIZE(est3_modes))
2944                                 break;
2945                         if (est[i] & (1 << j)) {
2946                                 mode = drm_mode_find_dmt(connector->dev,
2947                                                          est3_modes[m].w,
2948                                                          est3_modes[m].h,
2949                                                          est3_modes[m].r,
2950                                                          est3_modes[m].rb);
2951                                 if (mode) {
2952                                         drm_mode_probed_add(connector, mode);
2953                                         modes++;
2954                                 }
2955                         }
2956                 }
2957         }
2958
2959         return modes;
2960 }
2961
2962 static void
2963 do_established_modes(struct detailed_timing *timing, void *c)
2964 {
2965         struct detailed_mode_closure *closure = c;
2966
2967         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_EST_TIMINGS))
2968                 return;
2969
2970         closure->modes += drm_est3_modes(closure->connector, timing);
2971 }
2972
2973 /**
2974  * add_established_modes - get est. modes from EDID and add them
2975  * @connector: connector to add mode(s) to
2976  * @edid: EDID block to scan
2977  *
2978  * Each EDID block contains a bitmap of the supported "established modes" list
2979  * (defined above).  Tease them out and add them to the global modes list.
2980  */
2981 static int
2982 add_established_modes(struct drm_connector *connector, struct edid *edid)
2983 {
2984         struct drm_device *dev = connector->dev;
2985         unsigned long est_bits = edid->established_timings.t1 |
2986                 (edid->established_timings.t2 << 8) |
2987                 ((edid->established_timings.mfg_rsvd & 0x80) << 9);
2988         int i, modes = 0;
2989         struct detailed_mode_closure closure = {
2990                 .connector = connector,
2991                 .edid = edid,
2992         };
2993
2994         for (i = 0; i <= EDID_EST_TIMINGS; i++) {
2995                 if (est_bits & (1<<i)) {
2996                         struct drm_display_mode *newmode;
2997                         newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
2998                         if (newmode) {
2999                                 drm_mode_probed_add(connector, newmode);
3000                                 modes++;
3001                         }
3002                 }
3003         }
3004
3005         if (version_greater(edid, 1, 0))
3006                     drm_for_each_detailed_block((u8 *)edid,
3007                                                 do_established_modes, &closure);
3008
3009         return modes + closure.modes;
3010 }
3011
3012 static void
3013 do_standard_modes(struct detailed_timing *timing, void *c)
3014 {
3015         struct detailed_mode_closure *closure = c;
3016         struct detailed_non_pixel *data = &timing->data.other_data;
3017         struct drm_connector *connector = closure->connector;
3018         struct edid *edid = closure->edid;
3019         int i;
3020
3021         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_STD_MODES))
3022                 return;
3023
3024         for (i = 0; i < 6; i++) {
3025                 struct std_timing *std = &data->data.timings[i];
3026                 struct drm_display_mode *newmode;
3027
3028                 newmode = drm_mode_std(connector, edid, std);
3029                 if (newmode) {
3030                         drm_mode_probed_add(connector, newmode);
3031                         closure->modes++;
3032                 }
3033         }
3034 }
3035
3036 /**
3037  * add_standard_modes - get std. modes from EDID and add them
3038  * @connector: connector to add mode(s) to
3039  * @edid: EDID block to scan
3040  *
3041  * Standard modes can be calculated using the appropriate standard (DMT,
3042  * GTF or CVT. Grab them from @edid and add them to the list.
3043  */
3044 static int
3045 add_standard_modes(struct drm_connector *connector, struct edid *edid)
3046 {
3047         int i, modes = 0;
3048         struct detailed_mode_closure closure = {
3049                 .connector = connector,
3050                 .edid = edid,
3051         };
3052
3053         for (i = 0; i < EDID_STD_TIMINGS; i++) {
3054                 struct drm_display_mode *newmode;
3055
3056                 newmode = drm_mode_std(connector, edid,
3057                                        &edid->standard_timings[i]);
3058                 if (newmode) {
3059                         drm_mode_probed_add(connector, newmode);
3060                         modes++;
3061                 }
3062         }
3063
3064         if (version_greater(edid, 1, 0))
3065                 drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
3066                                             &closure);
3067
3068         /* XXX should also look for standard codes in VTB blocks */
3069
3070         return modes + closure.modes;
3071 }
3072
3073 static int drm_cvt_modes(struct drm_connector *connector,
3074                          struct detailed_timing *timing)
3075 {
3076         int i, j, modes = 0;
3077         struct drm_display_mode *newmode;
3078         struct drm_device *dev = connector->dev;
3079         struct cvt_timing *cvt;
3080         const int rates[] = { 60, 85, 75, 60, 50 };
3081         const u8 empty[3] = { 0, 0, 0 };
3082
3083         for (i = 0; i < 4; i++) {
3084                 int uninitialized_var(width), height;
3085                 cvt = &(timing->data.other_data.data.cvt[i]);
3086
3087                 if (!memcmp(cvt->code, empty, 3))
3088                         continue;
3089
3090                 height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3091                 switch (cvt->code[1] & 0x0c) {
3092                 case 0x00:
3093                         width = height * 4 / 3;
3094                         break;
3095                 case 0x04:
3096                         width = height * 16 / 9;
3097                         break;
3098                 case 0x08:
3099                         width = height * 16 / 10;
3100                         break;
3101                 case 0x0c:
3102                         width = height * 15 / 9;
3103                         break;
3104                 }
3105
3106                 for (j = 1; j < 5; j++) {
3107                         if (cvt->code[2] & (1 << j)) {
3108                                 newmode = drm_cvt_mode(dev, width, height,
3109                                                        rates[j], j == 0,
3110                                                        false, false);
3111                                 if (newmode) {
3112                                         drm_mode_probed_add(connector, newmode);
3113                                         modes++;
3114                                 }
3115                         }
3116                 }
3117         }
3118
3119         return modes;
3120 }
3121
3122 static void
3123 do_cvt_mode(struct detailed_timing *timing, void *c)
3124 {
3125         struct detailed_mode_closure *closure = c;
3126
3127         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_CVT_3BYTE))
3128                 return;
3129
3130         closure->modes += drm_cvt_modes(closure->connector, timing);
3131 }
3132
3133 static int
3134 add_cvt_modes(struct drm_connector *connector, struct edid *edid)
3135 {
3136         struct detailed_mode_closure closure = {
3137                 .connector = connector,
3138                 .edid = edid,
3139         };
3140
3141         if (version_greater(edid, 1, 2))
3142                 drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
3143
3144         /* XXX should also look for CVT codes in VTB blocks */
3145
3146         return closure.modes;
3147 }
3148
3149 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3150
3151 static void
3152 do_detailed_mode(struct detailed_timing *timing, void *c)
3153 {
3154         struct detailed_mode_closure *closure = c;
3155         struct drm_display_mode *newmode;
3156
3157         if (!is_detailed_timing_descriptor((const u8 *)timing))
3158                 return;
3159
3160         newmode = drm_mode_detailed(closure->connector->dev,
3161                                     closure->edid, timing,
3162                                     closure->quirks);
3163         if (!newmode)
3164                 return;
3165
3166         if (closure->preferred)
3167                 newmode->type |= DRM_MODE_TYPE_PREFERRED;
3168
3169         /*
3170          * Detailed modes are limited to 10kHz pixel clock resolution,
3171          * so fix up anything that looks like CEA/HDMI mode, but the clock
3172          * is just slightly off.
3173          */
3174         fixup_detailed_cea_mode_clock(newmode);
3175
3176         drm_mode_probed_add(closure->connector, newmode);
3177         closure->modes++;
3178         closure->preferred = false;
3179 }
3180
3181 /*
3182  * add_detailed_modes - Add modes from detailed timings
3183  * @connector: attached connector
3184  * @edid: EDID block to scan
3185  * @quirks: quirks to apply
3186  */
3187 static int
3188 add_detailed_modes(struct drm_connector *connector, struct edid *edid,
3189                    u32 quirks)
3190 {
3191         struct detailed_mode_closure closure = {
3192                 .connector = connector,
3193                 .edid = edid,
3194                 .preferred = true,
3195                 .quirks = quirks,
3196         };
3197
3198         if (closure.preferred && !version_greater(edid, 1, 3))
3199                 closure.preferred =
3200                     (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3201
3202         drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
3203
3204         return closure.modes;
3205 }
3206
3207 #define AUDIO_BLOCK     0x01
3208 #define VIDEO_BLOCK     0x02
3209 #define VENDOR_BLOCK    0x03
3210 #define SPEAKER_BLOCK   0x04
3211 #define HDR_STATIC_METADATA_BLOCK       0x6
3212 #define USE_EXTENDED_TAG 0x07
3213 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3214 #define EXT_VIDEO_DATA_BLOCK_420        0x0E
3215 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3216 #define EDID_BASIC_AUDIO        (1 << 6)
3217 #define EDID_CEA_YCRCB444       (1 << 5)
3218 #define EDID_CEA_YCRCB422       (1 << 4)
3219 #define EDID_CEA_VCDB_QS        (1 << 6)
3220
3221 /*
3222  * Search EDID for CEA extension block.
3223  */
3224 static u8 *drm_find_edid_extension(const struct edid *edid, int ext_id)
3225 {
3226         u8 *edid_ext = NULL;
3227         int i;
3228
3229         /* No EDID or EDID extensions */
3230         if (edid == NULL || edid->extensions == 0)
3231                 return NULL;
3232
3233         /* Find CEA extension */
3234         for (i = 0; i < edid->extensions; i++) {
3235                 edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
3236                 if (edid_ext[0] == ext_id)
3237                         break;
3238         }
3239
3240         if (i == edid->extensions)
3241                 return NULL;
3242
3243         return edid_ext;
3244 }
3245
3246
3247 static u8 *drm_find_displayid_extension(const struct edid *edid,
3248                                         int *length, int *idx)
3249 {
3250         u8 *displayid = drm_find_edid_extension(edid, DISPLAYID_EXT);
3251         struct displayid_hdr *base;
3252         int ret;
3253
3254         if (!displayid)
3255                 return NULL;
3256
3257         /* EDID extensions block checksum isn't for us */
3258         *length = EDID_LENGTH - 1;
3259         *idx = 1;
3260
3261         ret = validate_displayid(displayid, *length, *idx);
3262         if (ret)
3263                 return NULL;
3264
3265         base = (struct displayid_hdr *)&displayid[*idx];
3266         *length = *idx + sizeof(*base) + base->bytes;
3267
3268         return displayid;
3269 }
3270
3271 static u8 *drm_find_cea_extension(const struct edid *edid)
3272 {
3273         int length, idx;
3274         struct displayid_block *block;
3275         u8 *cea;
3276         u8 *displayid;
3277
3278         /* Look for a top level CEA extension block */
3279         cea = drm_find_edid_extension(edid, CEA_EXT);
3280         if (cea)
3281                 return cea;
3282
3283         /* CEA blocks can also be found embedded in a DisplayID block */
3284         displayid = drm_find_displayid_extension(edid, &length, &idx);
3285         if (!displayid)
3286                 return NULL;
3287
3288         idx += sizeof(struct displayid_hdr);
3289         for_each_displayid_db(displayid, block, idx, length) {
3290                 if (block->tag == DATA_BLOCK_CTA) {
3291                         cea = (u8 *)block;
3292                         break;
3293                 }
3294         }
3295
3296         return cea;
3297 }
3298
3299 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3300 {
3301         BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3302         BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3303
3304         if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3305                 return &edid_cea_modes_1[vic - 1];
3306         if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3307                 return &edid_cea_modes_193[vic - 193];
3308         return NULL;
3309 }
3310
3311 static u8 cea_num_vics(void)
3312 {
3313         return 193 + ARRAY_SIZE(edid_cea_modes_193);
3314 }
3315
3316 static u8 cea_next_vic(u8 vic)
3317 {
3318         if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3319                 vic = 193;
3320         return vic;
3321 }
3322
3323 /*
3324  * Calculate the alternate clock for the CEA mode
3325  * (60Hz vs. 59.94Hz etc.)
3326  */
3327 static unsigned int
3328 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3329 {
3330         unsigned int clock = cea_mode->clock;
3331
3332         if (drm_mode_vrefresh(cea_mode) % 6 != 0)
3333                 return clock;
3334
3335         /*
3336          * edid_cea_modes contains the 59.94Hz
3337          * variant for 240 and 480 line modes,
3338          * and the 60Hz variant otherwise.
3339          */
3340         if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3341                 clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3342         else
3343                 clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3344
3345         return clock;
3346 }
3347
3348 static bool
3349 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3350 {
3351         /*
3352          * For certain VICs the spec allows the vertical
3353          * front porch to vary by one or two lines.
3354          *
3355          * cea_modes[] stores the variant with the shortest
3356          * vertical front porch. We can adjust the mode to
3357          * get the other variants by simply increasing the
3358          * vertical front porch length.
3359          */
3360         BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3361                      cea_mode_for_vic(9)->vtotal != 262 ||
3362                      cea_mode_for_vic(12)->vtotal != 262 ||
3363                      cea_mode_for_vic(13)->vtotal != 262 ||
3364                      cea_mode_for_vic(23)->vtotal != 312 ||
3365                      cea_mode_for_vic(24)->vtotal != 312 ||
3366                      cea_mode_for_vic(27)->vtotal != 312 ||
3367                      cea_mode_for_vic(28)->vtotal != 312);
3368
3369         if (((vic == 8 || vic == 9 ||
3370               vic == 12 || vic == 13) && mode->vtotal < 263) ||
3371             ((vic == 23 || vic == 24 ||
3372               vic == 27 || vic == 28) && mode->vtotal < 314)) {
3373                 mode->vsync_start++;
3374                 mode->vsync_end++;
3375                 mode->vtotal++;
3376
3377                 return true;
3378         }
3379
3380         return false;
3381 }
3382
3383 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3384                                              unsigned int clock_tolerance)
3385 {
3386         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3387         u8 vic;
3388
3389         if (!to_match->clock)
3390                 return 0;
3391
3392         if (to_match->picture_aspect_ratio)
3393                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3394
3395         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3396                 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3397                 unsigned int clock1, clock2;
3398
3399                 /* Check both 60Hz and 59.94Hz */
3400                 clock1 = cea_mode.clock;
3401                 clock2 = cea_mode_alternate_clock(&cea_mode);
3402
3403                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3404                     abs(to_match->clock - clock2) > clock_tolerance)
3405                         continue;
3406
3407                 do {
3408                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3409                                 return vic;
3410                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3411         }
3412
3413         return 0;
3414 }
3415
3416 /**
3417  * drm_match_cea_mode - look for a CEA mode matching given mode
3418  * @to_match: display mode
3419  *
3420  * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3421  * mode.
3422  */
3423 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3424 {
3425         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3426         u8 vic;
3427
3428         if (!to_match->clock)
3429                 return 0;
3430
3431         if (to_match->picture_aspect_ratio)
3432                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3433
3434         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3435                 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3436                 unsigned int clock1, clock2;
3437
3438                 /* Check both 60Hz and 59.94Hz */
3439                 clock1 = cea_mode.clock;
3440                 clock2 = cea_mode_alternate_clock(&cea_mode);
3441
3442                 if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3443                     KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3444                         continue;
3445
3446                 do {
3447                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3448                                 return vic;
3449                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3450         }
3451
3452         return 0;
3453 }
3454 EXPORT_SYMBOL(drm_match_cea_mode);
3455
3456 static bool drm_valid_cea_vic(u8 vic)
3457 {
3458         return cea_mode_for_vic(vic) != NULL;
3459 }
3460
3461 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3462 {
3463         const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3464
3465         if (mode)
3466                 return mode->picture_aspect_ratio;
3467
3468         return HDMI_PICTURE_ASPECT_NONE;
3469 }
3470
3471 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3472 {
3473         return edid_4k_modes[video_code].picture_aspect_ratio;
3474 }
3475
3476 /*
3477  * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3478  * specific block).
3479  */
3480 static unsigned int
3481 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3482 {
3483         return cea_mode_alternate_clock(hdmi_mode);
3484 }
3485
3486 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3487                                               unsigned int clock_tolerance)
3488 {
3489         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3490         u8 vic;
3491
3492         if (!to_match->clock)
3493                 return 0;
3494
3495         if (to_match->picture_aspect_ratio)
3496                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3497
3498         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3499                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3500                 unsigned int clock1, clock2;
3501
3502                 /* Make sure to also match alternate clocks */
3503                 clock1 = hdmi_mode->clock;
3504                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3505
3506                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3507                     abs(to_match->clock - clock2) > clock_tolerance)
3508                         continue;
3509
3510                 if (drm_mode_match(to_match, hdmi_mode, match_flags))
3511                         return vic;
3512         }
3513
3514         return 0;
3515 }
3516
3517 /*
3518  * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3519  * @to_match: display mode
3520  *
3521  * An HDMI mode is one defined in the HDMI vendor specific block.
3522  *
3523  * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3524  */
3525 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3526 {
3527         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3528         u8 vic;
3529
3530         if (!to_match->clock)
3531                 return 0;
3532
3533         if (to_match->picture_aspect_ratio)
3534                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3535
3536         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3537                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3538                 unsigned int clock1, clock2;
3539
3540                 /* Make sure to also match alternate clocks */
3541                 clock1 = hdmi_mode->clock;
3542                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3543
3544                 if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3545                      KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3546                     drm_mode_match(to_match, hdmi_mode, match_flags))
3547                         return vic;
3548         }
3549         return 0;
3550 }
3551
3552 static bool drm_valid_hdmi_vic(u8 vic)
3553 {
3554         return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3555 }
3556
3557 static int
3558 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3559 {
3560         struct drm_device *dev = connector->dev;
3561         struct drm_display_mode *mode, *tmp;
3562         LIST_HEAD(list);
3563         int modes = 0;
3564
3565         /* Don't add CEA modes if the CEA extension block is missing */
3566         if (!drm_find_cea_extension(edid))
3567                 return 0;
3568
3569         /*
3570          * Go through all probed modes and create a new mode
3571          * with the alternate clock for certain CEA modes.
3572          */
3573         list_for_each_entry(mode, &connector->probed_modes, head) {
3574                 const struct drm_display_mode *cea_mode = NULL;
3575                 struct drm_display_mode *newmode;
3576                 u8 vic = drm_match_cea_mode(mode);
3577                 unsigned int clock1, clock2;
3578
3579                 if (drm_valid_cea_vic(vic)) {
3580                         cea_mode = cea_mode_for_vic(vic);
3581                         clock2 = cea_mode_alternate_clock(cea_mode);
3582                 } else {
3583                         vic = drm_match_hdmi_mode(mode);
3584                         if (drm_valid_hdmi_vic(vic)) {
3585                                 cea_mode = &edid_4k_modes[vic];
3586                                 clock2 = hdmi_mode_alternate_clock(cea_mode);
3587                         }
3588                 }
3589
3590                 if (!cea_mode)
3591                         continue;
3592
3593                 clock1 = cea_mode->clock;
3594
3595                 if (clock1 == clock2)
3596                         continue;
3597
3598                 if (mode->clock != clock1 && mode->clock != clock2)
3599                         continue;
3600
3601                 newmode = drm_mode_duplicate(dev, cea_mode);
3602                 if (!newmode)
3603                         continue;
3604
3605                 /* Carry over the stereo flags */
3606                 newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3607
3608                 /*
3609                  * The current mode could be either variant. Make
3610                  * sure to pick the "other" clock for the new mode.
3611                  */
3612                 if (mode->clock != clock1)
3613                         newmode->clock = clock1;
3614                 else
3615                         newmode->clock = clock2;
3616
3617                 list_add_tail(&newmode->head, &list);
3618         }
3619
3620         list_for_each_entry_safe(mode, tmp, &list, head) {
3621                 list_del(&mode->head);
3622                 drm_mode_probed_add(connector, mode);
3623                 modes++;
3624         }
3625
3626         return modes;
3627 }
3628
3629 static u8 svd_to_vic(u8 svd)
3630 {
3631         /* 0-6 bit vic, 7th bit native mode indicator */
3632         if ((svd >= 1 &&  svd <= 64) || (svd >= 129 && svd <= 192))
3633                 return svd & 127;
3634
3635         return svd;
3636 }
3637
3638 static struct drm_display_mode *
3639 drm_display_mode_from_vic_index(struct drm_connector *connector,
3640                                 const u8 *video_db, u8 video_len,
3641                                 u8 video_index)
3642 {
3643         struct drm_device *dev = connector->dev;
3644         struct drm_display_mode *newmode;
3645         u8 vic;
3646
3647         if (video_db == NULL || video_index >= video_len)
3648                 return NULL;
3649
3650         /* CEA modes are numbered 1..127 */
3651         vic = svd_to_vic(video_db[video_index]);
3652         if (!drm_valid_cea_vic(vic))
3653                 return NULL;
3654
3655         newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3656         if (!newmode)
3657                 return NULL;
3658
3659         return newmode;
3660 }
3661
3662 /*
3663  * do_y420vdb_modes - Parse YCBCR 420 only modes
3664  * @connector: connector corresponding to the HDMI sink
3665  * @svds: start of the data block of CEA YCBCR 420 VDB
3666  * @len: length of the CEA YCBCR 420 VDB
3667  *
3668  * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3669  * which contains modes which can be supported in YCBCR 420
3670  * output format only.
3671  */
3672 static int do_y420vdb_modes(struct drm_connector *connector,
3673                             const u8 *svds, u8 svds_len)
3674 {
3675         int modes = 0, i;
3676         struct drm_device *dev = connector->dev;
3677         struct drm_display_info *info = &connector->display_info;
3678         struct drm_hdmi_info *hdmi = &info->hdmi;
3679
3680         for (i = 0; i < svds_len; i++) {
3681                 u8 vic = svd_to_vic(svds[i]);
3682                 struct drm_display_mode *newmode;
3683
3684                 if (!drm_valid_cea_vic(vic))
3685                         continue;
3686
3687                 newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3688                 if (!newmode)
3689                         break;
3690                 bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3691                 drm_mode_probed_add(connector, newmode);
3692                 modes++;
3693         }
3694
3695         if (modes > 0)
3696                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3697         return modes;
3698 }
3699
3700 /*
3701  * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3702  * @connector: connector corresponding to the HDMI sink
3703  * @vic: CEA vic for the video mode to be added in the map
3704  *
3705  * Makes an entry for a videomode in the YCBCR 420 bitmap
3706  */
3707 static void
3708 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3709 {
3710         u8 vic = svd_to_vic(svd);
3711         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3712
3713         if (!drm_valid_cea_vic(vic))
3714                 return;
3715
3716         bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3717 }
3718
3719 static int
3720 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3721 {
3722         int i, modes = 0;
3723         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3724
3725         for (i = 0; i < len; i++) {
3726                 struct drm_display_mode *mode;
3727                 mode = drm_display_mode_from_vic_index(connector, db, len, i);
3728                 if (mode) {
3729                         /*
3730                          * YCBCR420 capability block contains a bitmap which
3731                          * gives the index of CEA modes from CEA VDB, which
3732                          * can support YCBCR 420 sampling output also (apart
3733                          * from RGB/YCBCR444 etc).
3734                          * For example, if the bit 0 in bitmap is set,
3735                          * first mode in VDB can support YCBCR420 output too.
3736                          * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
3737                          */
3738                         if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
3739                                 drm_add_cmdb_modes(connector, db[i]);
3740
3741                         drm_mode_probed_add(connector, mode);
3742                         modes++;
3743                 }
3744         }
3745
3746         return modes;
3747 }
3748
3749 struct stereo_mandatory_mode {
3750         int width, height, vrefresh;
3751         unsigned int flags;
3752 };
3753
3754 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3755         { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3756         { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3757         { 1920, 1080, 50,
3758           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3759         { 1920, 1080, 60,
3760           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3761         { 1280, 720,  50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3762         { 1280, 720,  50, DRM_MODE_FLAG_3D_FRAME_PACKING },
3763         { 1280, 720,  60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3764         { 1280, 720,  60, DRM_MODE_FLAG_3D_FRAME_PACKING }
3765 };
3766
3767 static bool
3768 stereo_match_mandatory(const struct drm_display_mode *mode,
3769                        const struct stereo_mandatory_mode *stereo_mode)
3770 {
3771         unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
3772
3773         return mode->hdisplay == stereo_mode->width &&
3774                mode->vdisplay == stereo_mode->height &&
3775                interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
3776                drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
3777 }
3778
3779 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
3780 {
3781         struct drm_device *dev = connector->dev;
3782         const struct drm_display_mode *mode;
3783         struct list_head stereo_modes;
3784         int modes = 0, i;
3785
3786         INIT_LIST_HEAD(&stereo_modes);
3787
3788         list_for_each_entry(mode, &connector->probed_modes, head) {
3789                 for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
3790                         const struct stereo_mandatory_mode *mandatory;
3791                         struct drm_display_mode *new_mode;
3792
3793                         if (!stereo_match_mandatory(mode,
3794                                                     &stereo_mandatory_modes[i]))
3795                                 continue;
3796
3797                         mandatory = &stereo_mandatory_modes[i];
3798                         new_mode = drm_mode_duplicate(dev, mode);
3799                         if (!new_mode)
3800                                 continue;
3801
3802                         new_mode->flags |= mandatory->flags;
3803                         list_add_tail(&new_mode->head, &stereo_modes);
3804                         modes++;
3805                 }
3806         }
3807
3808         list_splice_tail(&stereo_modes, &connector->probed_modes);
3809
3810         return modes;
3811 }
3812
3813 static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
3814 {
3815         struct drm_device *dev = connector->dev;
3816         struct drm_display_mode *newmode;
3817
3818         if (!drm_valid_hdmi_vic(vic)) {
3819                 DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
3820                 return 0;
3821         }
3822
3823         newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
3824         if (!newmode)
3825                 return 0;
3826
3827         drm_mode_probed_add(connector, newmode);
3828
3829         return 1;
3830 }
3831
3832 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
3833                                const u8 *video_db, u8 video_len, u8 video_index)
3834 {
3835         struct drm_display_mode *newmode;
3836         int modes = 0;
3837
3838         if (structure & (1 << 0)) {
3839                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3840                                                           video_len,
3841                                                           video_index);
3842                 if (newmode) {
3843                         newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
3844                         drm_mode_probed_add(connector, newmode);
3845                         modes++;
3846                 }
3847         }
3848         if (structure & (1 << 6)) {
3849                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3850                                                           video_len,
3851                                                           video_index);
3852                 if (newmode) {
3853                         newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3854                         drm_mode_probed_add(connector, newmode);
3855                         modes++;
3856                 }
3857         }
3858         if (structure & (1 << 8)) {
3859                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3860                                                           video_len,
3861                                                           video_index);
3862                 if (newmode) {
3863                         newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3864                         drm_mode_probed_add(connector, newmode);
3865                         modes++;
3866                 }
3867         }
3868
3869         return modes;
3870 }
3871
3872 /*
3873  * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
3874  * @connector: connector corresponding to the HDMI sink
3875  * @db: start of the CEA vendor specific block
3876  * @len: length of the CEA block payload, ie. one can access up to db[len]
3877  *
3878  * Parses the HDMI VSDB looking for modes to add to @connector. This function
3879  * also adds the stereo 3d modes when applicable.
3880  */
3881 static int
3882 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
3883                    const u8 *video_db, u8 video_len)
3884 {
3885         struct drm_display_info *info = &connector->display_info;
3886         int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3887         u8 vic_len, hdmi_3d_len = 0;
3888         u16 mask;
3889         u16 structure_all;
3890
3891         if (len < 8)
3892                 goto out;
3893
3894         /* no HDMI_Video_Present */
3895         if (!(db[8] & (1 << 5)))
3896                 goto out;
3897
3898         /* Latency_Fields_Present */
3899         if (db[8] & (1 << 7))
3900                 offset += 2;
3901
3902         /* I_Latency_Fields_Present */
3903         if (db[8] & (1 << 6))
3904                 offset += 2;
3905
3906         /* the declared length is not long enough for the 2 first bytes
3907          * of additional video format capabilities */
3908         if (len < (8 + offset + 2))
3909                 goto out;
3910
3911         /* 3D_Present */
3912         offset++;
3913         if (db[8 + offset] & (1 << 7)) {
3914                 modes += add_hdmi_mandatory_stereo_modes(connector);
3915
3916                 /* 3D_Multi_present */
3917                 multi_present = (db[8 + offset] & 0x60) >> 5;
3918         }
3919
3920         offset++;
3921         vic_len = db[8 + offset] >> 5;
3922         hdmi_3d_len = db[8 + offset] & 0x1f;
3923
3924         for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
3925                 u8 vic;
3926
3927                 vic = db[9 + offset + i];
3928                 modes += add_hdmi_mode(connector, vic);
3929         }
3930         offset += 1 + vic_len;
3931
3932         if (multi_present == 1)
3933                 multi_len = 2;
3934         else if (multi_present == 2)
3935                 multi_len = 4;
3936         else
3937                 multi_len = 0;
3938
3939         if (len < (8 + offset + hdmi_3d_len - 1))
3940                 goto out;
3941
3942         if (hdmi_3d_len < multi_len)
3943                 goto out;
3944
3945         if (multi_present == 1 || multi_present == 2) {
3946                 /* 3D_Structure_ALL */
3947                 structure_all = (db[8 + offset] << 8) | db[9 + offset];
3948
3949                 /* check if 3D_MASK is present */
3950                 if (multi_present == 2)
3951                         mask = (db[10 + offset] << 8) | db[11 + offset];
3952                 else
3953                         mask = 0xffff;
3954
3955                 for (i = 0; i < 16; i++) {
3956                         if (mask & (1 << i))
3957                                 modes += add_3d_struct_modes(connector,
3958                                                 structure_all,
3959                                                 video_db,
3960                                                 video_len, i);
3961                 }
3962         }
3963
3964         offset += multi_len;
3965
3966         for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
3967                 int vic_index;
3968                 struct drm_display_mode *newmode = NULL;
3969                 unsigned int newflag = 0;
3970                 bool detail_present;
3971
3972                 detail_present = ((db[8 + offset + i] & 0x0f) > 7);
3973
3974                 if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
3975                         break;
3976
3977                 /* 2D_VIC_order_X */
3978                 vic_index = db[8 + offset + i] >> 4;
3979
3980                 /* 3D_Structure_X */
3981                 switch (db[8 + offset + i] & 0x0f) {
3982                 case 0:
3983                         newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
3984                         break;
3985                 case 6:
3986                         newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3987                         break;
3988                 case 8:
3989                         /* 3D_Detail_X */
3990                         if ((db[9 + offset + i] >> 4) == 1)
3991                                 newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3992                         break;
3993                 }
3994
3995                 if (newflag != 0) {
3996                         newmode = drm_display_mode_from_vic_index(connector,
3997                                                                   video_db,
3998                                                                   video_len,
3999                                                                   vic_index);
4000
4001                         if (newmode) {
4002                                 newmode->flags |= newflag;
4003                                 drm_mode_probed_add(connector, newmode);
4004                                 modes++;
4005                         }
4006                 }
4007
4008                 if (detail_present)
4009                         i++;
4010         }
4011
4012 out:
4013         if (modes > 0)
4014                 info->has_hdmi_infoframe = true;
4015         return modes;
4016 }
4017
4018 static int
4019 cea_db_payload_len(const u8 *db)
4020 {
4021         return db[0] & 0x1f;
4022 }
4023
4024 static int
4025 cea_db_extended_tag(const u8 *db)
4026 {
4027         return db[1];
4028 }
4029
4030 static int
4031 cea_db_tag(const u8 *db)
4032 {
4033         return db[0] >> 5;
4034 }
4035
4036 static int
4037 cea_revision(const u8 *cea)
4038 {
4039         /*
4040          * FIXME is this correct for the DispID variant?
4041          * The DispID spec doesn't really specify whether
4042          * this is the revision of the CEA extension or
4043          * the DispID CEA data block. And the only value
4044          * given as an example is 0.
4045          */
4046         return cea[1];
4047 }
4048
4049 static int
4050 cea_db_offsets(const u8 *cea, int *start, int *end)
4051 {
4052         /* DisplayID CTA extension blocks and top-level CEA EDID
4053          * block header definitions differ in the following bytes:
4054          *   1) Byte 2 of the header specifies length differently,
4055          *   2) Byte 3 is only present in the CEA top level block.
4056          *
4057          * The different definitions for byte 2 follow.
4058          *
4059          * DisplayID CTA extension block defines byte 2 as:
4060          *   Number of payload bytes
4061          *
4062          * CEA EDID block defines byte 2 as:
4063          *   Byte number (decimal) within this block where the 18-byte
4064          *   DTDs begin. If no non-DTD data is present in this extension
4065          *   block, the value should be set to 04h (the byte after next).
4066          *   If set to 00h, there are no DTDs present in this block and
4067          *   no non-DTD data.
4068          */
4069         if (cea[0] == DATA_BLOCK_CTA) {
4070                 /*
4071                  * for_each_displayid_db() has already verified
4072                  * that these stay within expected bounds.
4073                  */
4074                 *start = 3;
4075                 *end = *start + cea[2];
4076         } else if (cea[0] == CEA_EXT) {
4077                 /* Data block offset in CEA extension block */
4078                 *start = 4;
4079                 *end = cea[2];
4080                 if (*end == 0)
4081                         *end = 127;
4082                 if (*end < 4 || *end > 127)
4083                         return -ERANGE;
4084         } else {
4085                 return -EOPNOTSUPP;
4086         }
4087
4088         return 0;
4089 }
4090
4091 static bool cea_db_is_hdmi_vsdb(const u8 *db)
4092 {
4093         int hdmi_id;
4094
4095         if (cea_db_tag(db) != VENDOR_BLOCK)
4096                 return false;
4097
4098         if (cea_db_payload_len(db) < 5)
4099                 return false;
4100
4101         hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
4102
4103         return hdmi_id == HDMI_IEEE_OUI;
4104 }
4105
4106 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
4107 {
4108         unsigned int oui;
4109
4110         if (cea_db_tag(db) != VENDOR_BLOCK)
4111                 return false;
4112
4113         if (cea_db_payload_len(db) < 7)
4114                 return false;
4115
4116         oui = db[3] << 16 | db[2] << 8 | db[1];
4117
4118         return oui == HDMI_FORUM_IEEE_OUI;
4119 }
4120
4121 static bool cea_db_is_vcdb(const u8 *db)
4122 {
4123         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4124                 return false;
4125
4126         if (cea_db_payload_len(db) != 2)
4127                 return false;
4128
4129         if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK)
4130                 return false;
4131
4132         return true;
4133 }
4134
4135 static bool cea_db_is_y420cmdb(const u8 *db)
4136 {
4137         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4138                 return false;
4139
4140         if (!cea_db_payload_len(db))
4141                 return false;
4142
4143         if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
4144                 return false;
4145
4146         return true;
4147 }
4148
4149 static bool cea_db_is_y420vdb(const u8 *db)
4150 {
4151         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4152                 return false;
4153
4154         if (!cea_db_payload_len(db))
4155                 return false;
4156
4157         if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
4158                 return false;
4159
4160         return true;
4161 }
4162
4163 #define for_each_cea_db(cea, i, start, end) \
4164         for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
4165
4166 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
4167                                       const u8 *db)
4168 {
4169         struct drm_display_info *info = &connector->display_info;
4170         struct drm_hdmi_info *hdmi = &info->hdmi;
4171         u8 map_len = cea_db_payload_len(db) - 1;
4172         u8 count;
4173         u64 map = 0;
4174
4175         if (map_len == 0) {
4176                 /* All CEA modes support ycbcr420 sampling also.*/
4177                 hdmi->y420_cmdb_map = U64_MAX;
4178                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4179                 return;
4180         }
4181
4182         /*
4183          * This map indicates which of the existing CEA block modes
4184          * from VDB can support YCBCR420 output too. So if bit=0 is
4185          * set, first mode from VDB can support YCBCR420 output too.
4186          * We will parse and keep this map, before parsing VDB itself
4187          * to avoid going through the same block again and again.
4188          *
4189          * Spec is not clear about max possible size of this block.
4190          * Clamping max bitmap block size at 8 bytes. Every byte can
4191          * address 8 CEA modes, in this way this map can address
4192          * 8*8 = first 64 SVDs.
4193          */
4194         if (WARN_ON_ONCE(map_len > 8))
4195                 map_len = 8;
4196
4197         for (count = 0; count < map_len; count++)
4198                 map |= (u64)db[2 + count] << (8 * count);
4199
4200         if (map)
4201                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4202
4203         hdmi->y420_cmdb_map = map;
4204 }
4205
4206 static int
4207 add_cea_modes(struct drm_connector *connector, struct edid *edid)
4208 {
4209         const u8 *cea = drm_find_cea_extension(edid);
4210         const u8 *db, *hdmi = NULL, *video = NULL;
4211         u8 dbl, hdmi_len, video_len = 0;
4212         int modes = 0;
4213
4214         if (cea && cea_revision(cea) >= 3) {
4215                 int i, start, end;
4216
4217                 if (cea_db_offsets(cea, &start, &end))
4218                         return 0;
4219
4220                 for_each_cea_db(cea, i, start, end) {
4221                         db = &cea[i];
4222                         dbl = cea_db_payload_len(db);
4223
4224                         if (cea_db_tag(db) == VIDEO_BLOCK) {
4225                                 video = db + 1;
4226                                 video_len = dbl;
4227                                 modes += do_cea_modes(connector, video, dbl);
4228                         } else if (cea_db_is_hdmi_vsdb(db)) {
4229                                 hdmi = db;
4230                                 hdmi_len = dbl;
4231                         } else if (cea_db_is_y420vdb(db)) {
4232                                 const u8 *vdb420 = &db[2];
4233
4234                                 /* Add 4:2:0(only) modes present in EDID */
4235                                 modes += do_y420vdb_modes(connector,
4236                                                           vdb420,
4237                                                           dbl - 1);
4238                         }
4239                 }
4240         }
4241
4242         /*
4243          * We parse the HDMI VSDB after having added the cea modes as we will
4244          * be patching their flags when the sink supports stereo 3D.
4245          */
4246         if (hdmi)
4247                 modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
4248                                             video_len);
4249
4250         return modes;
4251 }
4252
4253 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
4254 {
4255         const struct drm_display_mode *cea_mode;
4256         int clock1, clock2, clock;
4257         u8 vic;
4258         const char *type;
4259
4260         /*
4261          * allow 5kHz clock difference either way to account for
4262          * the 10kHz clock resolution limit of detailed timings.
4263          */
4264         vic = drm_match_cea_mode_clock_tolerance(mode, 5);
4265         if (drm_valid_cea_vic(vic)) {
4266                 type = "CEA";
4267                 cea_mode = cea_mode_for_vic(vic);
4268                 clock1 = cea_mode->clock;
4269                 clock2 = cea_mode_alternate_clock(cea_mode);
4270         } else {
4271                 vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
4272                 if (drm_valid_hdmi_vic(vic)) {
4273                         type = "HDMI";
4274                         cea_mode = &edid_4k_modes[vic];
4275                         clock1 = cea_mode->clock;
4276                         clock2 = hdmi_mode_alternate_clock(cea_mode);
4277                 } else {
4278                         return;
4279                 }
4280         }
4281
4282         /* pick whichever is closest */
4283         if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
4284                 clock = clock1;
4285         else
4286                 clock = clock2;
4287
4288         if (mode->clock == clock)
4289                 return;
4290
4291         DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
4292                   type, vic, mode->clock, clock);
4293         mode->clock = clock;
4294 }
4295
4296 static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db)
4297 {
4298         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4299                 return false;
4300
4301         if (db[1] != HDR_STATIC_METADATA_BLOCK)
4302                 return false;
4303
4304         if (cea_db_payload_len(db) < 3)
4305                 return false;
4306
4307         return true;
4308 }
4309
4310 static uint8_t eotf_supported(const u8 *edid_ext)
4311 {
4312         return edid_ext[2] &
4313                 (BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
4314                  BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
4315                  BIT(HDMI_EOTF_SMPTE_ST2084) |
4316                  BIT(HDMI_EOTF_BT_2100_HLG));
4317 }
4318
4319 static uint8_t hdr_metadata_type(const u8 *edid_ext)
4320 {
4321         return edid_ext[3] &
4322                 BIT(HDMI_STATIC_METADATA_TYPE1);
4323 }
4324
4325 static void
4326 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
4327 {
4328         u16 len;
4329
4330         len = cea_db_payload_len(db);
4331
4332         connector->hdr_sink_metadata.hdmi_type1.eotf =
4333                                                 eotf_supported(db);
4334         connector->hdr_sink_metadata.hdmi_type1.metadata_type =
4335                                                 hdr_metadata_type(db);
4336
4337         if (len >= 4)
4338                 connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
4339         if (len >= 5)
4340                 connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
4341         if (len >= 6)
4342                 connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
4343 }
4344
4345 static void
4346 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
4347 {
4348         u8 len = cea_db_payload_len(db);
4349
4350         if (len >= 6 && (db[6] & (1 << 7)))
4351                 connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
4352         if (len >= 8) {
4353                 connector->latency_present[0] = db[8] >> 7;
4354                 connector->latency_present[1] = (db[8] >> 6) & 1;
4355         }
4356         if (len >= 9)
4357                 connector->video_latency[0] = db[9];
4358         if (len >= 10)
4359                 connector->audio_latency[0] = db[10];
4360         if (len >= 11)
4361                 connector->video_latency[1] = db[11];
4362         if (len >= 12)
4363                 connector->audio_latency[1] = db[12];
4364
4365         DRM_DEBUG_KMS("HDMI: latency present %d %d, "
4366                       "video latency %d %d, "
4367                       "audio latency %d %d\n",
4368                       connector->latency_present[0],
4369                       connector->latency_present[1],
4370                       connector->video_latency[0],
4371                       connector->video_latency[1],
4372                       connector->audio_latency[0],
4373                       connector->audio_latency[1]);
4374 }
4375
4376 static void
4377 monitor_name(struct detailed_timing *t, void *data)
4378 {
4379         if (!is_display_descriptor((const u8 *)t, EDID_DETAIL_MONITOR_NAME))
4380                 return;
4381
4382         *(u8 **)data = t->data.other_data.data.str.str;
4383 }
4384
4385 static int get_monitor_name(struct edid *edid, char name[13])
4386 {
4387         char *edid_name = NULL;
4388         int mnl;
4389
4390         if (!edid || !name)
4391                 return 0;
4392
4393         drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
4394         for (mnl = 0; edid_name && mnl < 13; mnl++) {
4395                 if (edid_name[mnl] == 0x0a)
4396                         break;
4397
4398                 name[mnl] = edid_name[mnl];
4399         }
4400
4401         return mnl;
4402 }
4403
4404 /**
4405  * drm_edid_get_monitor_name - fetch the monitor name from the edid
4406  * @edid: monitor EDID information
4407  * @name: pointer to a character array to hold the name of the monitor
4408  * @bufsize: The size of the name buffer (should be at least 14 chars.)
4409  *
4410  */
4411 void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
4412 {
4413         int name_length;
4414         char buf[13];
4415
4416         if (bufsize <= 0)
4417                 return;
4418
4419         name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4420         memcpy(name, buf, name_length);
4421         name[name_length] = '\0';
4422 }
4423 EXPORT_SYMBOL(drm_edid_get_monitor_name);
4424
4425 static void clear_eld(struct drm_connector *connector)
4426 {
4427         memset(connector->eld, 0, sizeof(connector->eld));
4428
4429         connector->latency_present[0] = false;
4430         connector->latency_present[1] = false;
4431         connector->video_latency[0] = 0;
4432         connector->audio_latency[0] = 0;
4433         connector->video_latency[1] = 0;
4434         connector->audio_latency[1] = 0;
4435 }
4436
4437 /*
4438  * drm_edid_to_eld - build ELD from EDID
4439  * @connector: connector corresponding to the HDMI/DP sink
4440  * @edid: EDID to parse
4441  *
4442  * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4443  * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4444  */
4445 static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
4446 {
4447         uint8_t *eld = connector->eld;
4448         u8 *cea;
4449         u8 *db;
4450         int total_sad_count = 0;
4451         int mnl;
4452         int dbl;
4453
4454         clear_eld(connector);
4455
4456         if (!edid)
4457                 return;
4458
4459         cea = drm_find_cea_extension(edid);
4460         if (!cea) {
4461                 DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4462                 return;
4463         }
4464
4465         mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4466         DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4467
4468         eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4469         eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4470
4471         eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4472
4473         eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4474         eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4475         eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4476         eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4477
4478         if (cea_revision(cea) >= 3) {
4479                 int i, start, end;
4480                 int sad_count;
4481
4482                 if (cea_db_offsets(cea, &start, &end)) {
4483                         start = 0;
4484                         end = 0;
4485                 }
4486
4487                 for_each_cea_db(cea, i, start, end) {
4488                         db = &cea[i];
4489                         dbl = cea_db_payload_len(db);
4490
4491                         switch (cea_db_tag(db)) {
4492                         case AUDIO_BLOCK:
4493                                 /* Audio Data Block, contains SADs */
4494                                 sad_count = min(dbl / 3, 15 - total_sad_count);
4495                                 if (sad_count >= 1)
4496                                         memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4497                                                &db[1], sad_count * 3);
4498                                 total_sad_count += sad_count;
4499                                 break;
4500                         case SPEAKER_BLOCK:
4501                                 /* Speaker Allocation Data Block */
4502                                 if (dbl >= 1)
4503                                         eld[DRM_ELD_SPEAKER] = db[1];
4504                                 break;
4505                         case VENDOR_BLOCK:
4506                                 /* HDMI Vendor-Specific Data Block */
4507                                 if (cea_db_is_hdmi_vsdb(db))
4508                                         drm_parse_hdmi_vsdb_audio(connector, db);
4509                                 break;
4510                         default:
4511                                 break;
4512                         }
4513                 }
4514         }
4515         eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4516
4517         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4518             connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4519                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4520         else
4521                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4522
4523         eld[DRM_ELD_BASELINE_ELD_LEN] =
4524                 DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4525
4526         DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4527                       drm_eld_size(eld), total_sad_count);
4528 }
4529
4530 /**
4531  * drm_edid_to_sad - extracts SADs from EDID
4532  * @edid: EDID to parse
4533  * @sads: pointer that will be set to the extracted SADs
4534  *
4535  * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4536  *
4537  * Note: The returned pointer needs to be freed using kfree().
4538  *
4539  * Return: The number of found SADs or negative number on error.
4540  */
4541 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
4542 {
4543         int count = 0;
4544         int i, start, end, dbl;
4545         u8 *cea;
4546
4547         cea = drm_find_cea_extension(edid);
4548         if (!cea) {
4549                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4550                 return 0;
4551         }
4552
4553         if (cea_revision(cea) < 3) {
4554                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4555                 return 0;
4556         }
4557
4558         if (cea_db_offsets(cea, &start, &end)) {
4559                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4560                 return -EPROTO;
4561         }
4562
4563         for_each_cea_db(cea, i, start, end) {
4564                 u8 *db = &cea[i];
4565
4566                 if (cea_db_tag(db) == AUDIO_BLOCK) {
4567                         int j;
4568                         dbl = cea_db_payload_len(db);
4569
4570                         count = dbl / 3; /* SAD is 3B */
4571                         *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4572                         if (!*sads)
4573                                 return -ENOMEM;
4574                         for (j = 0; j < count; j++) {
4575                                 u8 *sad = &db[1 + j * 3];
4576
4577                                 (*sads)[j].format = (sad[0] & 0x78) >> 3;
4578                                 (*sads)[j].channels = sad[0] & 0x7;
4579                                 (*sads)[j].freq = sad[1] & 0x7F;
4580                                 (*sads)[j].byte2 = sad[2];
4581                         }
4582                         break;
4583                 }
4584         }
4585
4586         return count;
4587 }
4588 EXPORT_SYMBOL(drm_edid_to_sad);
4589
4590 /**
4591  * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4592  * @edid: EDID to parse
4593  * @sadb: pointer to the speaker block
4594  *
4595  * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4596  *
4597  * Note: The returned pointer needs to be freed using kfree().
4598  *
4599  * Return: The number of found Speaker Allocation Blocks or negative number on
4600  * error.
4601  */
4602 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
4603 {
4604         int count = 0;
4605         int i, start, end, dbl;
4606         const u8 *cea;
4607
4608         cea = drm_find_cea_extension(edid);
4609         if (!cea) {
4610                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4611                 return 0;
4612         }
4613
4614         if (cea_revision(cea) < 3) {
4615                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4616                 return 0;
4617         }
4618
4619         if (cea_db_offsets(cea, &start, &end)) {
4620                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4621                 return -EPROTO;
4622         }
4623
4624         for_each_cea_db(cea, i, start, end) {
4625                 const u8 *db = &cea[i];
4626
4627                 if (cea_db_tag(db) == SPEAKER_BLOCK) {
4628                         dbl = cea_db_payload_len(db);
4629
4630                         /* Speaker Allocation Data Block */
4631                         if (dbl == 3) {
4632                                 *sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4633                                 if (!*sadb)
4634                                         return -ENOMEM;
4635                                 count = dbl;
4636                                 break;
4637                         }
4638                 }
4639         }
4640
4641         return count;
4642 }
4643 EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4644
4645 /**
4646  * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4647  * @connector: connector associated with the HDMI/DP sink
4648  * @mode: the display mode
4649  *
4650  * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4651  * the sink doesn't support audio or video.
4652  */
4653 int drm_av_sync_delay(struct drm_connector *connector,
4654                       const struct drm_display_mode *mode)
4655 {
4656         int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4657         int a, v;
4658
4659         if (!connector->latency_present[0])
4660                 return 0;
4661         if (!connector->latency_present[1])
4662                 i = 0;
4663
4664         a = connector->audio_latency[i];
4665         v = connector->video_latency[i];
4666
4667         /*
4668          * HDMI/DP sink doesn't support audio or video?
4669          */
4670         if (a == 255 || v == 255)
4671                 return 0;
4672
4673         /*
4674          * Convert raw EDID values to millisecond.
4675          * Treat unknown latency as 0ms.
4676          */
4677         if (a)
4678                 a = min(2 * (a - 1), 500);
4679         if (v)
4680                 v = min(2 * (v - 1), 500);
4681
4682         return max(v - a, 0);
4683 }
4684 EXPORT_SYMBOL(drm_av_sync_delay);
4685
4686 /**
4687  * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4688  * @edid: monitor EDID information
4689  *
4690  * Parse the CEA extension according to CEA-861-B.
4691  *
4692  * Drivers that have added the modes parsed from EDID to drm_display_info
4693  * should use &drm_display_info.is_hdmi instead of calling this function.
4694  *
4695  * Return: True if the monitor is HDMI, false if not or unknown.
4696  */
4697 bool drm_detect_hdmi_monitor(struct edid *edid)
4698 {
4699         u8 *edid_ext;
4700         int i;
4701         int start_offset, end_offset;
4702
4703         edid_ext = drm_find_cea_extension(edid);
4704         if (!edid_ext)
4705                 return false;
4706
4707         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4708                 return false;
4709
4710         /*
4711          * Because HDMI identifier is in Vendor Specific Block,
4712          * search it from all data blocks of CEA extension.
4713          */
4714         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4715                 if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4716                         return true;
4717         }
4718
4719         return false;
4720 }
4721 EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4722
4723 /**
4724  * drm_detect_monitor_audio - check monitor audio capability
4725  * @edid: EDID block to scan
4726  *
4727  * Monitor should have CEA extension block.
4728  * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
4729  * audio' only. If there is any audio extension block and supported
4730  * audio format, assume at least 'basic audio' support, even if 'basic
4731  * audio' is not defined in EDID.
4732  *
4733  * Return: True if the monitor supports audio, false otherwise.
4734  */
4735 bool drm_detect_monitor_audio(struct edid *edid)
4736 {
4737         u8 *edid_ext;
4738         int i, j;
4739         bool has_audio = false;
4740         int start_offset, end_offset;
4741
4742         edid_ext = drm_find_cea_extension(edid);
4743         if (!edid_ext)
4744                 goto end;
4745
4746         has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0);
4747
4748         if (has_audio) {
4749                 DRM_DEBUG_KMS("Monitor has basic audio support\n");
4750                 goto end;
4751         }
4752
4753         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4754                 goto end;
4755
4756         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4757                 if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4758                         has_audio = true;
4759                         for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4760                                 DRM_DEBUG_KMS("CEA audio format %d\n",
4761                                               (edid_ext[i + j] >> 3) & 0xf);
4762                         goto end;
4763                 }
4764         }
4765 end:
4766         return has_audio;
4767 }
4768 EXPORT_SYMBOL(drm_detect_monitor_audio);
4769
4770
4771 /**
4772  * drm_default_rgb_quant_range - default RGB quantization range
4773  * @mode: display mode
4774  *
4775  * Determine the default RGB quantization range for the mode,
4776  * as specified in CEA-861.
4777  *
4778  * Return: The default RGB quantization range for the mode
4779  */
4780 enum hdmi_quantization_range
4781 drm_default_rgb_quant_range(const struct drm_display_mode *mode)
4782 {
4783         /* All CEA modes other than VIC 1 use limited quantization range. */
4784         return drm_match_cea_mode(mode) > 1 ?
4785                 HDMI_QUANTIZATION_RANGE_LIMITED :
4786                 HDMI_QUANTIZATION_RANGE_FULL;
4787 }
4788 EXPORT_SYMBOL(drm_default_rgb_quant_range);
4789
4790 static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
4791 {
4792         struct drm_display_info *info = &connector->display_info;
4793
4794         DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]);
4795
4796         if (db[2] & EDID_CEA_VCDB_QS)
4797                 info->rgb_quant_range_selectable = true;
4798 }
4799
4800 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4801                                                const u8 *db)
4802 {
4803         u8 dc_mask;
4804         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4805
4806         dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4807         hdmi->y420_dc_modes = dc_mask;
4808 }
4809
4810 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4811                                  const u8 *hf_vsdb)
4812 {
4813         struct drm_display_info *display = &connector->display_info;
4814         struct drm_hdmi_info *hdmi = &display->hdmi;
4815
4816         display->has_hdmi_infoframe = true;
4817
4818         if (hf_vsdb[6] & 0x80) {
4819                 hdmi->scdc.supported = true;
4820                 if (hf_vsdb[6] & 0x40)
4821                         hdmi->scdc.read_request = true;
4822         }
4823
4824         /*
4825          * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4826          * And as per the spec, three factors confirm this:
4827          * * Availability of a HF-VSDB block in EDID (check)
4828          * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4829          * * SCDC support available (let's check)
4830          * Lets check it out.
4831          */
4832
4833         if (hf_vsdb[5]) {
4834                 /* max clock is 5000 KHz times block value */
4835                 u32 max_tmds_clock = hf_vsdb[5] * 5000;
4836                 struct drm_scdc *scdc = &hdmi->scdc;
4837
4838                 if (max_tmds_clock > 340000) {
4839                         display->max_tmds_clock = max_tmds_clock;
4840                         DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4841                                 display->max_tmds_clock);
4842                 }
4843
4844                 if (scdc->supported) {
4845                         scdc->scrambling.supported = true;
4846
4847                         /* Few sinks support scrambling for clocks < 340M */
4848                         if ((hf_vsdb[6] & 0x8))
4849                                 scdc->scrambling.low_rates = true;
4850                 }
4851         }
4852
4853         drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
4854 }
4855
4856 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
4857                                            const u8 *hdmi)
4858 {
4859         struct drm_display_info *info = &connector->display_info;
4860         unsigned int dc_bpc = 0;
4861
4862         /* HDMI supports at least 8 bpc */
4863         info->bpc = 8;
4864
4865         if (cea_db_payload_len(hdmi) < 6)
4866                 return;
4867
4868         if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
4869                 dc_bpc = 10;
4870                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
4871                 DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
4872                           connector->name);
4873         }
4874
4875         if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
4876                 dc_bpc = 12;
4877                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
4878                 DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
4879                           connector->name);
4880         }
4881
4882         if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
4883                 dc_bpc = 16;
4884                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
4885                 DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
4886                           connector->name);
4887         }
4888
4889         if (dc_bpc == 0) {
4890                 DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
4891                           connector->name);
4892                 return;
4893         }
4894
4895         DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
4896                   connector->name, dc_bpc);
4897         info->bpc = dc_bpc;
4898
4899         /*
4900          * Deep color support mandates RGB444 support for all video
4901          * modes and forbids YCRCB422 support for all video modes per
4902          * HDMI 1.3 spec.
4903          */
4904         info->color_formats = DRM_COLOR_FORMAT_RGB444;
4905
4906         /* YCRCB444 is optional according to spec. */
4907         if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
4908                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4909                 DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
4910                           connector->name);
4911         }
4912
4913         /*
4914          * Spec says that if any deep color mode is supported at all,
4915          * then deep color 36 bit must be supported.
4916          */
4917         if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
4918                 DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
4919                           connector->name);
4920         }
4921 }
4922
4923 static void
4924 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
4925 {
4926         struct drm_display_info *info = &connector->display_info;
4927         u8 len = cea_db_payload_len(db);
4928
4929         info->is_hdmi = true;
4930
4931         if (len >= 6)
4932                 info->dvi_dual = db[6] & 1;
4933         if (len >= 7)
4934                 info->max_tmds_clock = db[7] * 5000;
4935
4936         DRM_DEBUG_KMS("HDMI: DVI dual %d, "
4937                       "max TMDS clock %d kHz\n",
4938                       info->dvi_dual,
4939                       info->max_tmds_clock);
4940
4941         drm_parse_hdmi_deep_color_info(connector, db);
4942 }
4943
4944 static void drm_parse_cea_ext(struct drm_connector *connector,
4945                               const struct edid *edid)
4946 {
4947         struct drm_display_info *info = &connector->display_info;
4948         const u8 *edid_ext;
4949         int i, start, end;
4950
4951         edid_ext = drm_find_cea_extension(edid);
4952         if (!edid_ext)
4953                 return;
4954
4955         info->cea_rev = edid_ext[1];
4956
4957         /* The existence of a CEA block should imply RGB support */
4958         info->color_formats = DRM_COLOR_FORMAT_RGB444;
4959         if (edid_ext[3] & EDID_CEA_YCRCB444)
4960                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4961         if (edid_ext[3] & EDID_CEA_YCRCB422)
4962                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
4963
4964         if (cea_db_offsets(edid_ext, &start, &end))
4965                 return;
4966
4967         for_each_cea_db(edid_ext, i, start, end) {
4968                 const u8 *db = &edid_ext[i];
4969
4970                 if (cea_db_is_hdmi_vsdb(db))
4971                         drm_parse_hdmi_vsdb_video(connector, db);
4972                 if (cea_db_is_hdmi_forum_vsdb(db))
4973                         drm_parse_hdmi_forum_vsdb(connector, db);
4974                 if (cea_db_is_y420cmdb(db))
4975                         drm_parse_y420cmdb_bitmap(connector, db);
4976                 if (cea_db_is_vcdb(db))
4977                         drm_parse_vcdb(connector, db);
4978                 if (cea_db_is_hdmi_hdr_metadata_block(db))
4979                         drm_parse_hdr_metadata_block(connector, db);
4980         }
4981 }
4982
4983 static
4984 void get_monitor_range(struct detailed_timing *timing,
4985                        void *info_monitor_range)
4986 {
4987         struct drm_monitor_range_info *monitor_range = info_monitor_range;
4988         const struct detailed_non_pixel *data = &timing->data.other_data;
4989         const struct detailed_data_monitor_range *range = &data->data.range;
4990
4991         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
4992                 return;
4993
4994         /*
4995          * Check for flag range limits only. If flag == 1 then
4996          * no additional timing information provided.
4997          * Default GTF, GTF Secondary curve and CVT are not
4998          * supported
4999          */
5000         if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
5001                 return;
5002
5003         monitor_range->min_vfreq = range->min_vfreq;
5004         monitor_range->max_vfreq = range->max_vfreq;
5005 }
5006
5007 static
5008 void drm_get_monitor_range(struct drm_connector *connector,
5009                            const struct edid *edid)
5010 {
5011         struct drm_display_info *info = &connector->display_info;
5012
5013         if (!version_greater(edid, 1, 1))
5014                 return;
5015
5016         drm_for_each_detailed_block((u8 *)edid, get_monitor_range,
5017                                     &info->monitor_range);
5018
5019         DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
5020                       info->monitor_range.min_vfreq,
5021                       info->monitor_range.max_vfreq);
5022 }
5023
5024 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
5025  * all of the values which would have been set from EDID
5026  */
5027 void
5028 drm_reset_display_info(struct drm_connector *connector)
5029 {
5030         struct drm_display_info *info = &connector->display_info;
5031
5032         info->width_mm = 0;
5033         info->height_mm = 0;
5034
5035         info->bpc = 0;
5036         info->color_formats = 0;
5037         info->cea_rev = 0;
5038         info->max_tmds_clock = 0;
5039         info->dvi_dual = false;
5040         info->is_hdmi = false;
5041         info->has_hdmi_infoframe = false;
5042         info->rgb_quant_range_selectable = false;
5043         memset(&info->hdmi, 0, sizeof(info->hdmi));
5044
5045         info->non_desktop = 0;
5046         memset(&info->monitor_range, 0, sizeof(info->monitor_range));
5047 }
5048
5049 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
5050 {
5051         struct drm_display_info *info = &connector->display_info;
5052
5053         u32 quirks = edid_get_quirks(edid);
5054
5055         drm_reset_display_info(connector);
5056
5057         info->width_mm = edid->width_cm * 10;
5058         info->height_mm = edid->height_cm * 10;
5059
5060         info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
5061
5062         drm_get_monitor_range(connector, edid);
5063
5064         DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
5065
5066         if (edid->revision < 3)
5067                 return quirks;
5068
5069         if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
5070                 return quirks;
5071
5072         drm_parse_cea_ext(connector, edid);
5073
5074         /*
5075          * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
5076          *
5077          * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
5078          * tells us to assume 8 bpc color depth if the EDID doesn't have
5079          * extensions which tell otherwise.
5080          */
5081         if (info->bpc == 0 && edid->revision == 3 &&
5082             edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
5083                 info->bpc = 8;
5084                 DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
5085                           connector->name, info->bpc);
5086         }
5087
5088         /* Only defined for 1.4 with digital displays */
5089         if (edid->revision < 4)
5090                 return quirks;
5091
5092         switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
5093         case DRM_EDID_DIGITAL_DEPTH_6:
5094                 info->bpc = 6;
5095                 break;
5096         case DRM_EDID_DIGITAL_DEPTH_8:
5097                 info->bpc = 8;
5098                 break;
5099         case DRM_EDID_DIGITAL_DEPTH_10:
5100                 info->bpc = 10;
5101                 break;
5102         case DRM_EDID_DIGITAL_DEPTH_12:
5103                 info->bpc = 12;
5104                 break;
5105         case DRM_EDID_DIGITAL_DEPTH_14:
5106                 info->bpc = 14;
5107                 break;
5108         case DRM_EDID_DIGITAL_DEPTH_16:
5109                 info->bpc = 16;
5110                 break;
5111         case DRM_EDID_DIGITAL_DEPTH_UNDEF:
5112         default:
5113                 info->bpc = 0;
5114                 break;
5115         }
5116
5117         DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
5118                           connector->name, info->bpc);
5119
5120         info->color_formats |= DRM_COLOR_FORMAT_RGB444;
5121         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
5122                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5123         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
5124                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5125         return quirks;
5126 }
5127
5128 static int validate_displayid(u8 *displayid, int length, int idx)
5129 {
5130         int i, dispid_length;
5131         u8 csum = 0;
5132         struct displayid_hdr *base;
5133
5134         base = (struct displayid_hdr *)&displayid[idx];
5135
5136         DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n",
5137                       base->rev, base->bytes, base->prod_id, base->ext_count);
5138
5139         /* +1 for DispID checksum */
5140         dispid_length = sizeof(*base) + base->bytes + 1;
5141         if (dispid_length > length - idx)
5142                 return -EINVAL;
5143
5144         for (i = 0; i < dispid_length; i++)
5145                 csum += displayid[idx + i];
5146         if (csum) {
5147                 DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum);
5148                 return -EINVAL;
5149         }
5150
5151         return 0;
5152 }
5153
5154 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5155                                                             struct displayid_detailed_timings_1 *timings)
5156 {
5157         struct drm_display_mode *mode;
5158         unsigned pixel_clock = (timings->pixel_clock[0] |
5159                                 (timings->pixel_clock[1] << 8) |
5160                                 (timings->pixel_clock[2] << 16)) + 1;
5161         unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5162         unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5163         unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5164         unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5165         unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5166         unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5167         unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5168         unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5169         bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5170         bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5171         mode = drm_mode_create(dev);
5172         if (!mode)
5173                 return NULL;
5174
5175         mode->clock = pixel_clock * 10;
5176         mode->hdisplay = hactive;
5177         mode->hsync_start = mode->hdisplay + hsync;
5178         mode->hsync_end = mode->hsync_start + hsync_width;
5179         mode->htotal = mode->hdisplay + hblank;
5180
5181         mode->vdisplay = vactive;
5182         mode->vsync_start = mode->vdisplay + vsync;
5183         mode->vsync_end = mode->vsync_start + vsync_width;
5184         mode->vtotal = mode->vdisplay + vblank;
5185
5186         mode->flags = 0;
5187         mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5188         mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5189         mode->type = DRM_MODE_TYPE_DRIVER;
5190
5191         if (timings->flags & 0x80)
5192                 mode->type |= DRM_MODE_TYPE_PREFERRED;
5193         drm_mode_set_name(mode);
5194
5195         return mode;
5196 }
5197
5198 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5199                                           struct displayid_block *block)
5200 {
5201         struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5202         int i;
5203         int num_timings;
5204         struct drm_display_mode *newmode;
5205         int num_modes = 0;
5206         /* blocks must be multiple of 20 bytes length */
5207         if (block->num_bytes % 20)
5208                 return 0;
5209
5210         num_timings = block->num_bytes / 20;
5211         for (i = 0; i < num_timings; i++) {
5212                 struct displayid_detailed_timings_1 *timings = &det->timings[i];
5213
5214                 newmode = drm_mode_displayid_detailed(connector->dev, timings);
5215                 if (!newmode)
5216                         continue;
5217
5218                 drm_mode_probed_add(connector, newmode);
5219                 num_modes++;
5220         }
5221         return num_modes;
5222 }
5223
5224 static int add_displayid_detailed_modes(struct drm_connector *connector,
5225                                         struct edid *edid)
5226 {
5227         u8 *displayid;
5228         int length, idx;
5229         struct displayid_block *block;
5230         int num_modes = 0;
5231
5232         displayid = drm_find_displayid_extension(edid, &length, &idx);
5233         if (!displayid)
5234                 return 0;
5235
5236         idx += sizeof(struct displayid_hdr);
5237         for_each_displayid_db(displayid, block, idx, length) {
5238                 switch (block->tag) {
5239                 case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5240                         num_modes += add_displayid_detailed_1_modes(connector, block);
5241                         break;
5242                 }
5243         }
5244         return num_modes;
5245 }
5246
5247 /**
5248  * drm_add_edid_modes - add modes from EDID data, if available
5249  * @connector: connector we're probing
5250  * @edid: EDID data
5251  *
5252  * Add the specified modes to the connector's mode list. Also fills out the
5253  * &drm_display_info structure and ELD in @connector with any information which
5254  * can be derived from the edid.
5255  *
5256  * Return: The number of modes added or 0 if we couldn't find any.
5257  */
5258 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5259 {
5260         int num_modes = 0;
5261         u32 quirks;
5262
5263         if (edid == NULL) {
5264                 clear_eld(connector);
5265                 return 0;
5266         }
5267         if (!drm_edid_is_valid(edid)) {
5268                 clear_eld(connector);
5269                 dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
5270                          connector->name);
5271                 return 0;
5272         }
5273
5274         drm_edid_to_eld(connector, edid);
5275
5276         /*
5277          * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5278          * To avoid multiple parsing of same block, lets parse that map
5279          * from sink info, before parsing CEA modes.
5280          */
5281         quirks = drm_add_display_info(connector, edid);
5282
5283         /*
5284          * EDID spec says modes should be preferred in this order:
5285          * - preferred detailed mode
5286          * - other detailed modes from base block
5287          * - detailed modes from extension blocks
5288          * - CVT 3-byte code modes
5289          * - standard timing codes
5290          * - established timing codes
5291          * - modes inferred from GTF or CVT range information
5292          *
5293          * We get this pretty much right.
5294          *
5295          * XXX order for additional mode types in extension blocks?
5296          */
5297         num_modes += add_detailed_modes(connector, edid, quirks);
5298         num_modes += add_cvt_modes(connector, edid);
5299         num_modes += add_standard_modes(connector, edid);
5300         num_modes += add_established_modes(connector, edid);
5301         num_modes += add_cea_modes(connector, edid);
5302         num_modes += add_alternate_cea_modes(connector, edid);
5303         num_modes += add_displayid_detailed_modes(connector, edid);
5304         if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5305                 num_modes += add_inferred_modes(connector, edid);
5306
5307         if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5308                 edid_fixup_preferred(connector, quirks);
5309
5310         if (quirks & EDID_QUIRK_FORCE_6BPC)
5311                 connector->display_info.bpc = 6;
5312
5313         if (quirks & EDID_QUIRK_FORCE_8BPC)
5314                 connector->display_info.bpc = 8;
5315
5316         if (quirks & EDID_QUIRK_FORCE_10BPC)
5317                 connector->display_info.bpc = 10;
5318
5319         if (quirks & EDID_QUIRK_FORCE_12BPC)
5320                 connector->display_info.bpc = 12;
5321
5322         return num_modes;
5323 }
5324 EXPORT_SYMBOL(drm_add_edid_modes);
5325
5326 /**
5327  * drm_add_modes_noedid - add modes for the connectors without EDID
5328  * @connector: connector we're probing
5329  * @hdisplay: the horizontal display limit
5330  * @vdisplay: the vertical display limit
5331  *
5332  * Add the specified modes to the connector's mode list. Only when the
5333  * hdisplay/vdisplay is not beyond the given limit, it will be added.
5334  *
5335  * Return: The number of modes added or 0 if we couldn't find any.
5336  */
5337 int drm_add_modes_noedid(struct drm_connector *connector,
5338                         int hdisplay, int vdisplay)
5339 {
5340         int i, count, num_modes = 0;
5341         struct drm_display_mode *mode;
5342         struct drm_device *dev = connector->dev;
5343
5344         count = ARRAY_SIZE(drm_dmt_modes);
5345         if (hdisplay < 0)
5346                 hdisplay = 0;
5347         if (vdisplay < 0)
5348                 vdisplay = 0;
5349
5350         for (i = 0; i < count; i++) {
5351                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5352                 if (hdisplay && vdisplay) {
5353                         /*
5354                          * Only when two are valid, they will be used to check
5355                          * whether the mode should be added to the mode list of
5356                          * the connector.
5357                          */
5358                         if (ptr->hdisplay > hdisplay ||
5359                                         ptr->vdisplay > vdisplay)
5360                                 continue;
5361                 }
5362                 if (drm_mode_vrefresh(ptr) > 61)
5363                         continue;
5364                 mode = drm_mode_duplicate(dev, ptr);
5365                 if (mode) {
5366                         drm_mode_probed_add(connector, mode);
5367                         num_modes++;
5368                 }
5369         }
5370         return num_modes;
5371 }
5372 EXPORT_SYMBOL(drm_add_modes_noedid);
5373
5374 /**
5375  * drm_set_preferred_mode - Sets the preferred mode of a connector
5376  * @connector: connector whose mode list should be processed
5377  * @hpref: horizontal resolution of preferred mode
5378  * @vpref: vertical resolution of preferred mode
5379  *
5380  * Marks a mode as preferred if it matches the resolution specified by @hpref
5381  * and @vpref.
5382  */
5383 void drm_set_preferred_mode(struct drm_connector *connector,
5384                            int hpref, int vpref)
5385 {
5386         struct drm_display_mode *mode;
5387
5388         list_for_each_entry(mode, &connector->probed_modes, head) {
5389                 if (mode->hdisplay == hpref &&
5390                     mode->vdisplay == vpref)
5391                         mode->type |= DRM_MODE_TYPE_PREFERRED;
5392         }
5393 }
5394 EXPORT_SYMBOL(drm_set_preferred_mode);
5395
5396 static bool is_hdmi2_sink(const struct drm_connector *connector)
5397 {
5398         /*
5399          * FIXME: sil-sii8620 doesn't have a connector around when
5400          * we need one, so we have to be prepared for a NULL connector.
5401          */
5402         if (!connector)
5403                 return true;
5404
5405         return connector->display_info.hdmi.scdc.supported ||
5406                 connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420;
5407 }
5408
5409 static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
5410 {
5411         return sink_eotf & BIT(output_eotf);
5412 }
5413
5414 /**
5415  * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
5416  *                                         HDR metadata from userspace
5417  * @frame: HDMI DRM infoframe
5418  * @conn_state: Connector state containing HDR metadata
5419  *
5420  * Return: 0 on success or a negative error code on failure.
5421  */
5422 int
5423 drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
5424                                     const struct drm_connector_state *conn_state)
5425 {
5426         struct drm_connector *connector;
5427         struct hdr_output_metadata *hdr_metadata;
5428         int err;
5429
5430         if (!frame || !conn_state)
5431                 return -EINVAL;
5432
5433         connector = conn_state->connector;
5434
5435         if (!conn_state->hdr_output_metadata)
5436                 return -EINVAL;
5437
5438         hdr_metadata = conn_state->hdr_output_metadata->data;
5439
5440         if (!hdr_metadata || !connector)
5441                 return -EINVAL;
5442
5443         /* Sink EOTF is Bit map while infoframe is absolute values */
5444         if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
5445             connector->hdr_sink_metadata.hdmi_type1.eotf)) {
5446                 DRM_DEBUG_KMS("EOTF Not Supported\n");
5447                 return -EINVAL;
5448         }
5449
5450         err = hdmi_drm_infoframe_init(frame);
5451         if (err < 0)
5452                 return err;
5453
5454         frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
5455         frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
5456
5457         BUILD_BUG_ON(sizeof(frame->display_primaries) !=
5458                      sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
5459         BUILD_BUG_ON(sizeof(frame->white_point) !=
5460                      sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
5461
5462         memcpy(&frame->display_primaries,
5463                &hdr_metadata->hdmi_metadata_type1.display_primaries,
5464                sizeof(frame->display_primaries));
5465
5466         memcpy(&frame->white_point,
5467                &hdr_metadata->hdmi_metadata_type1.white_point,
5468                sizeof(frame->white_point));
5469
5470         frame->max_display_mastering_luminance =
5471                 hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
5472         frame->min_display_mastering_luminance =
5473                 hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
5474         frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
5475         frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
5476
5477         return 0;
5478 }
5479 EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
5480
5481 static u8 drm_mode_hdmi_vic(const struct drm_connector *connector,
5482                             const struct drm_display_mode *mode)
5483 {
5484         bool has_hdmi_infoframe = connector ?
5485                 connector->display_info.has_hdmi_infoframe : false;
5486
5487         if (!has_hdmi_infoframe)
5488                 return 0;
5489
5490         /* No HDMI VIC when signalling 3D video format */
5491         if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5492                 return 0;
5493
5494         return drm_match_hdmi_mode(mode);
5495 }
5496
5497 static u8 drm_mode_cea_vic(const struct drm_connector *connector,
5498                            const struct drm_display_mode *mode)
5499 {
5500         u8 vic;
5501
5502         /*
5503          * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5504          * we should send its VIC in vendor infoframes, else send the
5505          * VIC in AVI infoframes. Lets check if this mode is present in
5506          * HDMI 1.4b 4K modes
5507          */
5508         if (drm_mode_hdmi_vic(connector, mode))
5509                 return 0;
5510
5511         vic = drm_match_cea_mode(mode);
5512
5513         /*
5514          * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5515          * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5516          * have to make sure we dont break HDMI 1.4 sinks.
5517          */
5518         if (!is_hdmi2_sink(connector) && vic > 64)
5519                 return 0;
5520
5521         return vic;
5522 }
5523
5524 /**
5525  * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5526  *                                              data from a DRM display mode
5527  * @frame: HDMI AVI infoframe
5528  * @connector: the connector
5529  * @mode: DRM display mode
5530  *
5531  * Return: 0 on success or a negative error code on failure.
5532  */
5533 int
5534 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5535                                          const struct drm_connector *connector,
5536                                          const struct drm_display_mode *mode)
5537 {
5538         enum hdmi_picture_aspect picture_aspect;
5539         u8 vic, hdmi_vic;
5540
5541         if (!frame || !mode)
5542                 return -EINVAL;
5543
5544         hdmi_avi_infoframe_init(frame);
5545
5546         if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5547                 frame->pixel_repeat = 1;
5548
5549         vic = drm_mode_cea_vic(connector, mode);
5550         hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5551
5552         frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5553
5554         /*
5555          * As some drivers don't support atomic, we can't use connector state.
5556          * So just initialize the frame with default values, just the same way
5557          * as it's done with other properties here.
5558          */
5559         frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5560         frame->itc = 0;
5561
5562         /*
5563          * Populate picture aspect ratio from either
5564          * user input (if specified) or from the CEA/HDMI mode lists.
5565          */
5566         picture_aspect = mode->picture_aspect_ratio;
5567         if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5568                 if (vic)
5569                         picture_aspect = drm_get_cea_aspect_ratio(vic);
5570                 else if (hdmi_vic)
5571                         picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5572         }
5573
5574         /*
5575          * The infoframe can't convey anything but none, 4:3
5576          * and 16:9, so if the user has asked for anything else
5577          * we can only satisfy it by specifying the right VIC.
5578          */
5579         if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5580                 if (vic) {
5581                         if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5582                                 return -EINVAL;
5583                 } else if (hdmi_vic) {
5584                         if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5585                                 return -EINVAL;
5586                 } else {
5587                         return -EINVAL;
5588                 }
5589
5590                 picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5591         }
5592
5593         frame->video_code = vic;
5594         frame->picture_aspect = picture_aspect;
5595         frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5596         frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5597
5598         return 0;
5599 }
5600 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5601
5602 /* HDMI Colorspace Spec Definitions */
5603 #define FULL_COLORIMETRY_MASK           0x1FF
5604 #define NORMAL_COLORIMETRY_MASK         0x3
5605 #define EXTENDED_COLORIMETRY_MASK       0x7
5606 #define EXTENDED_ACE_COLORIMETRY_MASK   0xF
5607
5608 #define C(x) ((x) << 0)
5609 #define EC(x) ((x) << 2)
5610 #define ACE(x) ((x) << 5)
5611
5612 #define HDMI_COLORIMETRY_NO_DATA                0x0
5613 #define HDMI_COLORIMETRY_SMPTE_170M_YCC         (C(1) | EC(0) | ACE(0))
5614 #define HDMI_COLORIMETRY_BT709_YCC              (C(2) | EC(0) | ACE(0))
5615 #define HDMI_COLORIMETRY_XVYCC_601              (C(3) | EC(0) | ACE(0))
5616 #define HDMI_COLORIMETRY_XVYCC_709              (C(3) | EC(1) | ACE(0))
5617 #define HDMI_COLORIMETRY_SYCC_601               (C(3) | EC(2) | ACE(0))
5618 #define HDMI_COLORIMETRY_OPYCC_601              (C(3) | EC(3) | ACE(0))
5619 #define HDMI_COLORIMETRY_OPRGB                  (C(3) | EC(4) | ACE(0))
5620 #define HDMI_COLORIMETRY_BT2020_CYCC            (C(3) | EC(5) | ACE(0))
5621 #define HDMI_COLORIMETRY_BT2020_RGB             (C(3) | EC(6) | ACE(0))
5622 #define HDMI_COLORIMETRY_BT2020_YCC             (C(3) | EC(6) | ACE(0))
5623 #define HDMI_COLORIMETRY_DCI_P3_RGB_D65         (C(3) | EC(7) | ACE(0))
5624 #define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER     (C(3) | EC(7) | ACE(1))
5625
5626 static const u32 hdmi_colorimetry_val[] = {
5627         [DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
5628         [DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
5629         [DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
5630         [DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
5631         [DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
5632         [DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
5633         [DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
5634         [DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
5635         [DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
5636         [DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
5637         [DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
5638 };
5639
5640 #undef C
5641 #undef EC
5642 #undef ACE
5643
5644 /**
5645  * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe
5646  *                                       colorspace information
5647  * @frame: HDMI AVI infoframe
5648  * @conn_state: connector state
5649  */
5650 void
5651 drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
5652                                   const struct drm_connector_state *conn_state)
5653 {
5654         u32 colorimetry_val;
5655         u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
5656
5657         if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
5658                 colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
5659         else
5660                 colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
5661
5662         frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
5663         /*
5664          * ToDo: Extend it for ACE formats as well. Modify the infoframe
5665          * structure and extend it in drivers/video/hdmi
5666          */
5667         frame->extended_colorimetry = (colorimetry_val >> 2) &
5668                                         EXTENDED_COLORIMETRY_MASK;
5669 }
5670 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
5671
5672 /**
5673  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5674  *                                        quantization range information
5675  * @frame: HDMI AVI infoframe
5676  * @connector: the connector
5677  * @mode: DRM display mode
5678  * @rgb_quant_range: RGB quantization range (Q)
5679  */
5680 void
5681 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5682                                    const struct drm_connector *connector,
5683                                    const struct drm_display_mode *mode,
5684                                    enum hdmi_quantization_range rgb_quant_range)
5685 {
5686         const struct drm_display_info *info = &connector->display_info;
5687
5688         /*
5689          * CEA-861:
5690          * "A Source shall not send a non-zero Q value that does not correspond
5691          *  to the default RGB Quantization Range for the transmitted Picture
5692          *  unless the Sink indicates support for the Q bit in a Video
5693          *  Capabilities Data Block."
5694          *
5695          * HDMI 2.0 recommends sending non-zero Q when it does match the
5696          * default RGB quantization range for the mode, even when QS=0.
5697          */
5698         if (info->rgb_quant_range_selectable ||
5699             rgb_quant_range == drm_default_rgb_quant_range(mode))
5700                 frame->quantization_range = rgb_quant_range;
5701         else
5702                 frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5703
5704         /*
5705          * CEA-861-F:
5706          * "When transmitting any RGB colorimetry, the Source should set the
5707          *  YQ-field to match the RGB Quantization Range being transmitted
5708          *  (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5709          *  set YQ=1) and the Sink shall ignore the YQ-field."
5710          *
5711          * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5712          * by non-zero YQ when receiving RGB. There doesn't seem to be any
5713          * good way to tell which version of CEA-861 the sink supports, so
5714          * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5715          * on on CEA-861-F.
5716          */
5717         if (!is_hdmi2_sink(connector) ||
5718             rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5719                 frame->ycc_quantization_range =
5720                         HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5721         else
5722                 frame->ycc_quantization_range =
5723                         HDMI_YCC_QUANTIZATION_RANGE_FULL;
5724 }
5725 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5726
5727 /**
5728  * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
5729  *                                 bar information
5730  * @frame: HDMI AVI infoframe
5731  * @conn_state: connector state
5732  */
5733 void
5734 drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
5735                             const struct drm_connector_state *conn_state)
5736 {
5737         frame->right_bar = conn_state->tv.margins.right;
5738         frame->left_bar = conn_state->tv.margins.left;
5739         frame->top_bar = conn_state->tv.margins.top;
5740         frame->bottom_bar = conn_state->tv.margins.bottom;
5741 }
5742 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
5743
5744 static enum hdmi_3d_structure
5745 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5746 {
5747         u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5748
5749         switch (layout) {
5750         case DRM_MODE_FLAG_3D_FRAME_PACKING:
5751                 return HDMI_3D_STRUCTURE_FRAME_PACKING;
5752         case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
5753                 return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
5754         case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
5755                 return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
5756         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
5757                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
5758         case DRM_MODE_FLAG_3D_L_DEPTH:
5759                 return HDMI_3D_STRUCTURE_L_DEPTH;
5760         case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
5761                 return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
5762         case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
5763                 return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
5764         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
5765                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
5766         default:
5767                 return HDMI_3D_STRUCTURE_INVALID;
5768         }
5769 }
5770
5771 /**
5772  * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
5773  * data from a DRM display mode
5774  * @frame: HDMI vendor infoframe
5775  * @connector: the connector
5776  * @mode: DRM display mode
5777  *
5778  * Note that there's is a need to send HDMI vendor infoframes only when using a
5779  * 4k or stereoscopic 3D mode. So when giving any other mode as input this
5780  * function will return -EINVAL, error that can be safely ignored.
5781  *
5782  * Return: 0 on success or a negative error code on failure.
5783  */
5784 int
5785 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5786                                             const struct drm_connector *connector,
5787                                             const struct drm_display_mode *mode)
5788 {
5789         /*
5790          * FIXME: sil-sii8620 doesn't have a connector around when
5791          * we need one, so we have to be prepared for a NULL connector.
5792          */
5793         bool has_hdmi_infoframe = connector ?
5794                 connector->display_info.has_hdmi_infoframe : false;
5795         int err;
5796
5797         if (!frame || !mode)
5798                 return -EINVAL;
5799
5800         if (!has_hdmi_infoframe)
5801                 return -EINVAL;
5802
5803         err = hdmi_vendor_infoframe_init(frame);
5804         if (err < 0)
5805                 return err;
5806
5807         /*
5808          * Even if it's not absolutely necessary to send the infoframe
5809          * (ie.vic==0 and s3d_struct==0) we will still send it if we
5810          * know that the sink can handle it. This is based on a
5811          * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
5812          * have trouble realizing that they shuld switch from 3D to 2D
5813          * mode if the source simply stops sending the infoframe when
5814          * it wants to switch from 3D to 2D.
5815          */
5816         frame->vic = drm_mode_hdmi_vic(connector, mode);
5817         frame->s3d_struct = s3d_structure_from_display_mode(mode);
5818
5819         return 0;
5820 }
5821 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5822
5823 static int drm_parse_tiled_block(struct drm_connector *connector,
5824                                  const struct displayid_block *block)
5825 {
5826         const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
5827         u16 w, h;
5828         u8 tile_v_loc, tile_h_loc;
5829         u8 num_v_tile, num_h_tile;
5830         struct drm_tile_group *tg;
5831
5832         w = tile->tile_size[0] | tile->tile_size[1] << 8;
5833         h = tile->tile_size[2] | tile->tile_size[3] << 8;
5834
5835         num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
5836         num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
5837         tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
5838         tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
5839
5840         connector->has_tile = true;
5841         if (tile->tile_cap & 0x80)
5842                 connector->tile_is_single_monitor = true;
5843
5844         connector->num_h_tile = num_h_tile + 1;
5845         connector->num_v_tile = num_v_tile + 1;
5846         connector->tile_h_loc = tile_h_loc;
5847         connector->tile_v_loc = tile_v_loc;
5848         connector->tile_h_size = w + 1;
5849         connector->tile_v_size = h + 1;
5850
5851         DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
5852         DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
5853         DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
5854                       num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
5855         DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
5856
5857         tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
5858         if (!tg) {
5859                 tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
5860         }
5861         if (!tg)
5862                 return -ENOMEM;
5863
5864         if (connector->tile_group != tg) {
5865                 /* if we haven't got a pointer,
5866                    take the reference, drop ref to old tile group */
5867                 if (connector->tile_group) {
5868                         drm_mode_put_tile_group(connector->dev, connector->tile_group);
5869                 }
5870                 connector->tile_group = tg;
5871         } else
5872                 /* if same tile group, then release the ref we just took. */
5873                 drm_mode_put_tile_group(connector->dev, tg);
5874         return 0;
5875 }
5876
5877 static int drm_displayid_parse_tiled(struct drm_connector *connector,
5878                                      const u8 *displayid, int length, int idx)
5879 {
5880         const struct displayid_block *block;
5881         int ret;
5882
5883         idx += sizeof(struct displayid_hdr);
5884         for_each_displayid_db(displayid, block, idx, length) {
5885                 DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n",
5886                               block->tag, block->rev, block->num_bytes);
5887
5888                 switch (block->tag) {
5889                 case DATA_BLOCK_TILED_DISPLAY:
5890                         ret = drm_parse_tiled_block(connector, block);
5891                         if (ret)
5892                                 return ret;
5893                         break;
5894                 default:
5895                         DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag);
5896                         break;
5897                 }
5898         }
5899         return 0;
5900 }
5901
5902 void drm_update_tile_info(struct drm_connector *connector,
5903                           const struct edid *edid)
5904 {
5905         const void *displayid = NULL;
5906         int length, idx;
5907         int ret;
5908
5909         connector->has_tile = false;
5910         displayid = drm_find_displayid_extension(edid, &length, &idx);
5911         if (!displayid) {
5912                 /* drop reference to any tile group we had */
5913                 goto out_drop_ref;
5914         }
5915
5916         ret = drm_displayid_parse_tiled(connector, displayid, length, idx);
5917         if (ret < 0)
5918                 goto out_drop_ref;
5919         if (!connector->has_tile)
5920                 goto out_drop_ref;
5921         return;
5922 out_drop_ref:
5923         if (connector->tile_group) {
5924                 drm_mode_put_tile_group(connector->dev, connector->tile_group);
5925                 connector->tile_group = NULL;
5926         }
5927         return;
5928 }