Merge tag 'drm-misc-next-2020-06-26' of git://anongit.freedesktop.org/drm/drm-misc...
[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_block_valid - Sanity check the EDID block (base or extension)
1620  * @raw_edid: pointer to raw EDID block
1621  * @block: type of block to validate (0 for base, extension otherwise)
1622  * @print_bad_edid: if true, dump bad EDID blocks to the console
1623  * @edid_corrupt: if true, the header or checksum is invalid
1624  *
1625  * Validate a base or extension EDID block and optionally dump bad blocks to
1626  * the console.
1627  *
1628  * Return: True if the block is valid, false otherwise.
1629  */
1630 bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
1631                           bool *edid_corrupt)
1632 {
1633         u8 csum;
1634         struct edid *edid = (struct edid *)raw_edid;
1635
1636         if (WARN_ON(!raw_edid))
1637                 return false;
1638
1639         if (edid_fixup > 8 || edid_fixup < 0)
1640                 edid_fixup = 6;
1641
1642         if (block == 0) {
1643                 int score = drm_edid_header_is_valid(raw_edid);
1644                 if (score == 8) {
1645                         if (edid_corrupt)
1646                                 *edid_corrupt = false;
1647                 } else if (score >= edid_fixup) {
1648                         /* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6
1649                          * The corrupt flag needs to be set here otherwise, the
1650                          * fix-up code here will correct the problem, the
1651                          * checksum is correct and the test fails
1652                          */
1653                         if (edid_corrupt)
1654                                 *edid_corrupt = true;
1655                         DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
1656                         memcpy(raw_edid, edid_header, sizeof(edid_header));
1657                 } else {
1658                         if (edid_corrupt)
1659                                 *edid_corrupt = true;
1660                         goto bad;
1661                 }
1662         }
1663
1664         csum = drm_edid_block_checksum(raw_edid);
1665         if (drm_edid_block_checksum_diff(raw_edid, csum)) {
1666                 if (edid_corrupt)
1667                         *edid_corrupt = true;
1668
1669                 /* allow CEA to slide through, switches mangle this */
1670                 if (raw_edid[0] == CEA_EXT) {
1671                         DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum);
1672                         DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n");
1673                 } else {
1674                         if (print_bad_edid)
1675                                 DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
1676
1677                         goto bad;
1678                 }
1679         }
1680
1681         /* per-block-type checks */
1682         switch (raw_edid[0]) {
1683         case 0: /* base */
1684                 if (edid->version != 1) {
1685                         DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
1686                         goto bad;
1687                 }
1688
1689                 if (edid->revision > 4)
1690                         DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
1691                 break;
1692
1693         default:
1694                 break;
1695         }
1696
1697         return true;
1698
1699 bad:
1700         if (print_bad_edid) {
1701                 if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1702                         pr_notice("EDID block is all zeroes\n");
1703                 } else {
1704                         pr_notice("Raw EDID:\n");
1705                         print_hex_dump(KERN_NOTICE,
1706                                        " \t", DUMP_PREFIX_NONE, 16, 1,
1707                                        raw_edid, EDID_LENGTH, false);
1708                 }
1709         }
1710         return false;
1711 }
1712 EXPORT_SYMBOL(drm_edid_block_valid);
1713
1714 /**
1715  * drm_edid_is_valid - sanity check EDID data
1716  * @edid: EDID data
1717  *
1718  * Sanity-check an entire EDID record (including extensions)
1719  *
1720  * Return: True if the EDID data is valid, false otherwise.
1721  */
1722 bool drm_edid_is_valid(struct edid *edid)
1723 {
1724         int i;
1725         u8 *raw = (u8 *)edid;
1726
1727         if (!edid)
1728                 return false;
1729
1730         for (i = 0; i <= edid->extensions; i++)
1731                 if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
1732                         return false;
1733
1734         return true;
1735 }
1736 EXPORT_SYMBOL(drm_edid_is_valid);
1737
1738 #define DDC_SEGMENT_ADDR 0x30
1739 /**
1740  * drm_do_probe_ddc_edid() - get EDID information via I2C
1741  * @data: I2C device adapter
1742  * @buf: EDID data buffer to be filled
1743  * @block: 128 byte EDID block to start fetching from
1744  * @len: EDID data buffer length to fetch
1745  *
1746  * Try to fetch EDID information by calling I2C driver functions.
1747  *
1748  * Return: 0 on success or -1 on failure.
1749  */
1750 static int
1751 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1752 {
1753         struct i2c_adapter *adapter = data;
1754         unsigned char start = block * EDID_LENGTH;
1755         unsigned char segment = block >> 1;
1756         unsigned char xfers = segment ? 3 : 2;
1757         int ret, retries = 5;
1758
1759         /*
1760          * The core I2C driver will automatically retry the transfer if the
1761          * adapter reports EAGAIN. However, we find that bit-banging transfers
1762          * are susceptible to errors under a heavily loaded machine and
1763          * generate spurious NAKs and timeouts. Retrying the transfer
1764          * of the individual block a few times seems to overcome this.
1765          */
1766         do {
1767                 struct i2c_msg msgs[] = {
1768                         {
1769                                 .addr   = DDC_SEGMENT_ADDR,
1770                                 .flags  = 0,
1771                                 .len    = 1,
1772                                 .buf    = &segment,
1773                         }, {
1774                                 .addr   = DDC_ADDR,
1775                                 .flags  = 0,
1776                                 .len    = 1,
1777                                 .buf    = &start,
1778                         }, {
1779                                 .addr   = DDC_ADDR,
1780                                 .flags  = I2C_M_RD,
1781                                 .len    = len,
1782                                 .buf    = buf,
1783                         }
1784                 };
1785
1786                 /*
1787                  * Avoid sending the segment addr to not upset non-compliant
1788                  * DDC monitors.
1789                  */
1790                 ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
1791
1792                 if (ret == -ENXIO) {
1793                         DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1794                                         adapter->name);
1795                         break;
1796                 }
1797         } while (ret != xfers && --retries);
1798
1799         return ret == xfers ? 0 : -1;
1800 }
1801
1802 static void connector_bad_edid(struct drm_connector *connector,
1803                                u8 *edid, int num_blocks)
1804 {
1805         int i;
1806         u8 num_of_ext = edid[0x7e];
1807
1808         /* Calculate real checksum for the last edid extension block data */
1809         connector->real_edid_checksum =
1810                 drm_edid_block_checksum(edid + num_of_ext * EDID_LENGTH);
1811
1812         if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
1813                 return;
1814
1815         dev_warn(connector->dev->dev,
1816                  "%s: EDID is invalid:\n",
1817                  connector->name);
1818         for (i = 0; i < num_blocks; i++) {
1819                 u8 *block = edid + i * EDID_LENGTH;
1820                 char prefix[20];
1821
1822                 if (drm_edid_is_zero(block, EDID_LENGTH))
1823                         sprintf(prefix, "\t[%02x] ZERO ", i);
1824                 else if (!drm_edid_block_valid(block, i, false, NULL))
1825                         sprintf(prefix, "\t[%02x] BAD  ", i);
1826                 else
1827                         sprintf(prefix, "\t[%02x] GOOD ", i);
1828
1829                 print_hex_dump(KERN_WARNING,
1830                                prefix, DUMP_PREFIX_NONE, 16, 1,
1831                                block, EDID_LENGTH, false);
1832         }
1833 }
1834
1835 /* Get override or firmware EDID */
1836 static struct edid *drm_get_override_edid(struct drm_connector *connector)
1837 {
1838         struct edid *override = NULL;
1839
1840         if (connector->override_edid)
1841                 override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1842
1843         if (!override)
1844                 override = drm_load_edid_firmware(connector);
1845
1846         return IS_ERR(override) ? NULL : override;
1847 }
1848
1849 /**
1850  * drm_add_override_edid_modes - add modes from override/firmware EDID
1851  * @connector: connector we're probing
1852  *
1853  * Add modes from the override/firmware EDID, if available. Only to be used from
1854  * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1855  * failed during drm_get_edid() and caused the override/firmware EDID to be
1856  * skipped.
1857  *
1858  * Return: The number of modes added or 0 if we couldn't find any.
1859  */
1860 int drm_add_override_edid_modes(struct drm_connector *connector)
1861 {
1862         struct edid *override;
1863         int num_modes = 0;
1864
1865         override = drm_get_override_edid(connector);
1866         if (override) {
1867                 drm_connector_update_edid_property(connector, override);
1868                 num_modes = drm_add_edid_modes(connector, override);
1869                 kfree(override);
1870
1871                 DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1872                               connector->base.id, connector->name, num_modes);
1873         }
1874
1875         return num_modes;
1876 }
1877 EXPORT_SYMBOL(drm_add_override_edid_modes);
1878
1879 /**
1880  * drm_do_get_edid - get EDID data using a custom EDID block read function
1881  * @connector: connector we're probing
1882  * @get_edid_block: EDID block read function
1883  * @data: private data passed to the block read function
1884  *
1885  * When the I2C adapter connected to the DDC bus is hidden behind a device that
1886  * exposes a different interface to read EDID blocks this function can be used
1887  * to get EDID data using a custom block read function.
1888  *
1889  * As in the general case the DDC bus is accessible by the kernel at the I2C
1890  * level, drivers must make all reasonable efforts to expose it as an I2C
1891  * adapter and use drm_get_edid() instead of abusing this function.
1892  *
1893  * The EDID may be overridden using debugfs override_edid or firmare EDID
1894  * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1895  * order. Having either of them bypasses actual EDID reads.
1896  *
1897  * Return: Pointer to valid EDID or NULL if we couldn't find any.
1898  */
1899 struct edid *drm_do_get_edid(struct drm_connector *connector,
1900         int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1901                               size_t len),
1902         void *data)
1903 {
1904         int i, j = 0, valid_extensions = 0;
1905         u8 *edid, *new;
1906         struct edid *override;
1907
1908         override = drm_get_override_edid(connector);
1909         if (override)
1910                 return override;
1911
1912         if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1913                 return NULL;
1914
1915         /* base block fetch */
1916         for (i = 0; i < 4; i++) {
1917                 if (get_edid_block(data, edid, 0, EDID_LENGTH))
1918                         goto out;
1919                 if (drm_edid_block_valid(edid, 0, false,
1920                                          &connector->edid_corrupt))
1921                         break;
1922                 if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1923                         connector->null_edid_counter++;
1924                         goto carp;
1925                 }
1926         }
1927         if (i == 4)
1928                 goto carp;
1929
1930         /* if there's no extensions, we're done */
1931         valid_extensions = edid[0x7e];
1932         if (valid_extensions == 0)
1933                 return (struct edid *)edid;
1934
1935         new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1936         if (!new)
1937                 goto out;
1938         edid = new;
1939
1940         for (j = 1; j <= edid[0x7e]; j++) {
1941                 u8 *block = edid + j * EDID_LENGTH;
1942
1943                 for (i = 0; i < 4; i++) {
1944                         if (get_edid_block(data, block, j, EDID_LENGTH))
1945                                 goto out;
1946                         if (drm_edid_block_valid(block, j, false, NULL))
1947                                 break;
1948                 }
1949
1950                 if (i == 4)
1951                         valid_extensions--;
1952         }
1953
1954         if (valid_extensions != edid[0x7e]) {
1955                 u8 *base;
1956
1957                 connector_bad_edid(connector, edid, edid[0x7e] + 1);
1958
1959                 edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
1960                 edid[0x7e] = valid_extensions;
1961
1962                 new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
1963                                     GFP_KERNEL);
1964                 if (!new)
1965                         goto out;
1966
1967                 base = new;
1968                 for (i = 0; i <= edid[0x7e]; i++) {
1969                         u8 *block = edid + i * EDID_LENGTH;
1970
1971                         if (!drm_edid_block_valid(block, i, false, NULL))
1972                                 continue;
1973
1974                         memcpy(base, block, EDID_LENGTH);
1975                         base += EDID_LENGTH;
1976                 }
1977
1978                 kfree(edid);
1979                 edid = new;
1980         }
1981
1982         return (struct edid *)edid;
1983
1984 carp:
1985         connector_bad_edid(connector, edid, 1);
1986 out:
1987         kfree(edid);
1988         return NULL;
1989 }
1990 EXPORT_SYMBOL_GPL(drm_do_get_edid);
1991
1992 /**
1993  * drm_probe_ddc() - probe DDC presence
1994  * @adapter: I2C adapter to probe
1995  *
1996  * Return: True on success, false on failure.
1997  */
1998 bool
1999 drm_probe_ddc(struct i2c_adapter *adapter)
2000 {
2001         unsigned char out;
2002
2003         return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2004 }
2005 EXPORT_SYMBOL(drm_probe_ddc);
2006
2007 /**
2008  * drm_get_edid - get EDID data, if available
2009  * @connector: connector we're probing
2010  * @adapter: I2C adapter to use for DDC
2011  *
2012  * Poke the given I2C channel to grab EDID data if possible.  If found,
2013  * attach it to the connector.
2014  *
2015  * Return: Pointer to valid EDID or NULL if we couldn't find any.
2016  */
2017 struct edid *drm_get_edid(struct drm_connector *connector,
2018                           struct i2c_adapter *adapter)
2019 {
2020         if (connector->force == DRM_FORCE_OFF)
2021                 return NULL;
2022
2023         if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2024                 return NULL;
2025
2026         return drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2027 }
2028 EXPORT_SYMBOL(drm_get_edid);
2029
2030 /**
2031  * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2032  * @connector: connector we're probing
2033  * @adapter: I2C adapter to use for DDC
2034  *
2035  * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2036  * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2037  * switch DDC to the GPU which is retrieving EDID.
2038  *
2039  * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2040  */
2041 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2042                                      struct i2c_adapter *adapter)
2043 {
2044         struct pci_dev *pdev = connector->dev->pdev;
2045         struct edid *edid;
2046
2047         vga_switcheroo_lock_ddc(pdev);
2048         edid = drm_get_edid(connector, adapter);
2049         vga_switcheroo_unlock_ddc(pdev);
2050
2051         return edid;
2052 }
2053 EXPORT_SYMBOL(drm_get_edid_switcheroo);
2054
2055 /**
2056  * drm_edid_duplicate - duplicate an EDID and the extensions
2057  * @edid: EDID to duplicate
2058  *
2059  * Return: Pointer to duplicated EDID or NULL on allocation failure.
2060  */
2061 struct edid *drm_edid_duplicate(const struct edid *edid)
2062 {
2063         return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2064 }
2065 EXPORT_SYMBOL(drm_edid_duplicate);
2066
2067 /*** EDID parsing ***/
2068
2069 /**
2070  * edid_vendor - match a string against EDID's obfuscated vendor field
2071  * @edid: EDID to match
2072  * @vendor: vendor string
2073  *
2074  * Returns true if @vendor is in @edid, false otherwise
2075  */
2076 static bool edid_vendor(const struct edid *edid, const char *vendor)
2077 {
2078         char edid_vendor[3];
2079
2080         edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
2081         edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
2082                           ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
2083         edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
2084
2085         return !strncmp(edid_vendor, vendor, 3);
2086 }
2087
2088 /**
2089  * edid_get_quirks - return quirk flags for a given EDID
2090  * @edid: EDID to process
2091  *
2092  * This tells subsequent routines what fixes they need to apply.
2093  */
2094 static u32 edid_get_quirks(const struct edid *edid)
2095 {
2096         const struct edid_quirk *quirk;
2097         int i;
2098
2099         for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2100                 quirk = &edid_quirk_list[i];
2101
2102                 if (edid_vendor(edid, quirk->vendor) &&
2103                     (EDID_PRODUCT_ID(edid) == quirk->product_id))
2104                         return quirk->quirks;
2105         }
2106
2107         return 0;
2108 }
2109
2110 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2111 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2112
2113 /**
2114  * edid_fixup_preferred - set preferred modes based on quirk list
2115  * @connector: has mode list to fix up
2116  * @quirks: quirks list
2117  *
2118  * Walk the mode list for @connector, clearing the preferred status
2119  * on existing modes and setting it anew for the right mode ala @quirks.
2120  */
2121 static void edid_fixup_preferred(struct drm_connector *connector,
2122                                  u32 quirks)
2123 {
2124         struct drm_display_mode *t, *cur_mode, *preferred_mode;
2125         int target_refresh = 0;
2126         int cur_vrefresh, preferred_vrefresh;
2127
2128         if (list_empty(&connector->probed_modes))
2129                 return;
2130
2131         if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2132                 target_refresh = 60;
2133         if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2134                 target_refresh = 75;
2135
2136         preferred_mode = list_first_entry(&connector->probed_modes,
2137                                           struct drm_display_mode, head);
2138
2139         list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2140                 cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2141
2142                 if (cur_mode == preferred_mode)
2143                         continue;
2144
2145                 /* Largest mode is preferred */
2146                 if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2147                         preferred_mode = cur_mode;
2148
2149                 cur_vrefresh = drm_mode_vrefresh(cur_mode);
2150                 preferred_vrefresh = drm_mode_vrefresh(preferred_mode);
2151                 /* At a given size, try to get closest to target refresh */
2152                 if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2153                     MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2154                     MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2155                         preferred_mode = cur_mode;
2156                 }
2157         }
2158
2159         preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2160 }
2161
2162 static bool
2163 mode_is_rb(const struct drm_display_mode *mode)
2164 {
2165         return (mode->htotal - mode->hdisplay == 160) &&
2166                (mode->hsync_end - mode->hdisplay == 80) &&
2167                (mode->hsync_end - mode->hsync_start == 32) &&
2168                (mode->vsync_start - mode->vdisplay == 3);
2169 }
2170
2171 /*
2172  * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2173  * @dev: Device to duplicate against
2174  * @hsize: Mode width
2175  * @vsize: Mode height
2176  * @fresh: Mode refresh rate
2177  * @rb: Mode reduced-blanking-ness
2178  *
2179  * Walk the DMT mode list looking for a match for the given parameters.
2180  *
2181  * Return: A newly allocated copy of the mode, or NULL if not found.
2182  */
2183 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2184                                            int hsize, int vsize, int fresh,
2185                                            bool rb)
2186 {
2187         int i;
2188
2189         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2190                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2191                 if (hsize != ptr->hdisplay)
2192                         continue;
2193                 if (vsize != ptr->vdisplay)
2194                         continue;
2195                 if (fresh != drm_mode_vrefresh(ptr))
2196                         continue;
2197                 if (rb != mode_is_rb(ptr))
2198                         continue;
2199
2200                 return drm_mode_duplicate(dev, ptr);
2201         }
2202
2203         return NULL;
2204 }
2205 EXPORT_SYMBOL(drm_mode_find_dmt);
2206
2207 static bool is_display_descriptor(const u8 d[18], u8 tag)
2208 {
2209         return d[0] == 0x00 && d[1] == 0x00 &&
2210                 d[2] == 0x00 && d[3] == tag;
2211 }
2212
2213 static bool is_detailed_timing_descriptor(const u8 d[18])
2214 {
2215         return d[0] != 0x00 || d[1] != 0x00;
2216 }
2217
2218 typedef void detailed_cb(struct detailed_timing *timing, void *closure);
2219
2220 static void
2221 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2222 {
2223         int i, n;
2224         u8 d = ext[0x02];
2225         u8 *det_base = ext + d;
2226
2227         if (d < 4 || d > 127)
2228                 return;
2229
2230         n = (127 - d) / 18;
2231         for (i = 0; i < n; i++)
2232                 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2233 }
2234
2235 static void
2236 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2237 {
2238         unsigned int i, n = min((int)ext[0x02], 6);
2239         u8 *det_base = ext + 5;
2240
2241         if (ext[0x01] != 1)
2242                 return; /* unknown version */
2243
2244         for (i = 0; i < n; i++)
2245                 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2246 }
2247
2248 static void
2249 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
2250 {
2251         int i;
2252         struct edid *edid = (struct edid *)raw_edid;
2253
2254         if (edid == NULL)
2255                 return;
2256
2257         for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2258                 cb(&(edid->detailed_timings[i]), closure);
2259
2260         for (i = 1; i <= raw_edid[0x7e]; i++) {
2261                 u8 *ext = raw_edid + (i * EDID_LENGTH);
2262                 switch (*ext) {
2263                 case CEA_EXT:
2264                         cea_for_each_detailed_block(ext, cb, closure);
2265                         break;
2266                 case VTB_EXT:
2267                         vtb_for_each_detailed_block(ext, cb, closure);
2268                         break;
2269                 default:
2270                         break;
2271                 }
2272         }
2273 }
2274
2275 static void
2276 is_rb(struct detailed_timing *t, void *data)
2277 {
2278         u8 *r = (u8 *)t;
2279
2280         if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2281                 return;
2282
2283         if (r[15] & 0x10)
2284                 *(bool *)data = true;
2285 }
2286
2287 /* EDID 1.4 defines this explicitly.  For EDID 1.3, we guess, badly. */
2288 static bool
2289 drm_monitor_supports_rb(struct edid *edid)
2290 {
2291         if (edid->revision >= 4) {
2292                 bool ret = false;
2293                 drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2294                 return ret;
2295         }
2296
2297         return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2298 }
2299
2300 static void
2301 find_gtf2(struct detailed_timing *t, void *data)
2302 {
2303         u8 *r = (u8 *)t;
2304
2305         if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2306                 return;
2307
2308         if (r[10] == 0x02)
2309                 *(u8 **)data = r;
2310 }
2311
2312 /* Secondary GTF curve kicks in above some break frequency */
2313 static int
2314 drm_gtf2_hbreak(struct edid *edid)
2315 {
2316         u8 *r = NULL;
2317         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2318         return r ? (r[12] * 2) : 0;
2319 }
2320
2321 static int
2322 drm_gtf2_2c(struct edid *edid)
2323 {
2324         u8 *r = NULL;
2325         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2326         return r ? r[13] : 0;
2327 }
2328
2329 static int
2330 drm_gtf2_m(struct edid *edid)
2331 {
2332         u8 *r = NULL;
2333         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2334         return r ? (r[15] << 8) + r[14] : 0;
2335 }
2336
2337 static int
2338 drm_gtf2_k(struct edid *edid)
2339 {
2340         u8 *r = NULL;
2341         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2342         return r ? r[16] : 0;
2343 }
2344
2345 static int
2346 drm_gtf2_2j(struct edid *edid)
2347 {
2348         u8 *r = NULL;
2349         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2350         return r ? r[17] : 0;
2351 }
2352
2353 /**
2354  * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2355  * @edid: EDID block to scan
2356  */
2357 static int standard_timing_level(struct edid *edid)
2358 {
2359         if (edid->revision >= 2) {
2360                 if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2361                         return LEVEL_CVT;
2362                 if (drm_gtf2_hbreak(edid))
2363                         return LEVEL_GTF2;
2364                 if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2365                         return LEVEL_GTF;
2366         }
2367         return LEVEL_DMT;
2368 }
2369
2370 /*
2371  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
2372  * monitors fill with ascii space (0x20) instead.
2373  */
2374 static int
2375 bad_std_timing(u8 a, u8 b)
2376 {
2377         return (a == 0x00 && b == 0x00) ||
2378                (a == 0x01 && b == 0x01) ||
2379                (a == 0x20 && b == 0x20);
2380 }
2381
2382 static int drm_mode_hsync(const struct drm_display_mode *mode)
2383 {
2384         if (mode->htotal <= 0)
2385                 return 0;
2386
2387         return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
2388 }
2389
2390 /**
2391  * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2392  * @connector: connector of for the EDID block
2393  * @edid: EDID block to scan
2394  * @t: standard timing params
2395  *
2396  * Take the standard timing params (in this case width, aspect, and refresh)
2397  * and convert them into a real mode using CVT/GTF/DMT.
2398  */
2399 static struct drm_display_mode *
2400 drm_mode_std(struct drm_connector *connector, struct edid *edid,
2401              struct std_timing *t)
2402 {
2403         struct drm_device *dev = connector->dev;
2404         struct drm_display_mode *m, *mode = NULL;
2405         int hsize, vsize;
2406         int vrefresh_rate;
2407         unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2408                 >> EDID_TIMING_ASPECT_SHIFT;
2409         unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2410                 >> EDID_TIMING_VFREQ_SHIFT;
2411         int timing_level = standard_timing_level(edid);
2412
2413         if (bad_std_timing(t->hsize, t->vfreq_aspect))
2414                 return NULL;
2415
2416         /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2417         hsize = t->hsize * 8 + 248;
2418         /* vrefresh_rate = vfreq + 60 */
2419         vrefresh_rate = vfreq + 60;
2420         /* the vdisplay is calculated based on the aspect ratio */
2421         if (aspect_ratio == 0) {
2422                 if (edid->revision < 3)
2423                         vsize = hsize;
2424                 else
2425                         vsize = (hsize * 10) / 16;
2426         } else if (aspect_ratio == 1)
2427                 vsize = (hsize * 3) / 4;
2428         else if (aspect_ratio == 2)
2429                 vsize = (hsize * 4) / 5;
2430         else
2431                 vsize = (hsize * 9) / 16;
2432
2433         /* HDTV hack, part 1 */
2434         if (vrefresh_rate == 60 &&
2435             ((hsize == 1360 && vsize == 765) ||
2436              (hsize == 1368 && vsize == 769))) {
2437                 hsize = 1366;
2438                 vsize = 768;
2439         }
2440
2441         /*
2442          * If this connector already has a mode for this size and refresh
2443          * rate (because it came from detailed or CVT info), use that
2444          * instead.  This way we don't have to guess at interlace or
2445          * reduced blanking.
2446          */
2447         list_for_each_entry(m, &connector->probed_modes, head)
2448                 if (m->hdisplay == hsize && m->vdisplay == vsize &&
2449                     drm_mode_vrefresh(m) == vrefresh_rate)
2450                         return NULL;
2451
2452         /* HDTV hack, part 2 */
2453         if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2454                 mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2455                                     false);
2456                 if (!mode)
2457                         return NULL;
2458                 mode->hdisplay = 1366;
2459                 mode->hsync_start = mode->hsync_start - 1;
2460                 mode->hsync_end = mode->hsync_end - 1;
2461                 return mode;
2462         }
2463
2464         /* check whether it can be found in default mode table */
2465         if (drm_monitor_supports_rb(edid)) {
2466                 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2467                                          true);
2468                 if (mode)
2469                         return mode;
2470         }
2471         mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2472         if (mode)
2473                 return mode;
2474
2475         /* okay, generate it */
2476         switch (timing_level) {
2477         case LEVEL_DMT:
2478                 break;
2479         case LEVEL_GTF:
2480                 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2481                 break;
2482         case LEVEL_GTF2:
2483                 /*
2484                  * This is potentially wrong if there's ever a monitor with
2485                  * more than one ranges section, each claiming a different
2486                  * secondary GTF curve.  Please don't do that.
2487                  */
2488                 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2489                 if (!mode)
2490                         return NULL;
2491                 if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2492                         drm_mode_destroy(dev, mode);
2493                         mode = drm_gtf_mode_complex(dev, hsize, vsize,
2494                                                     vrefresh_rate, 0, 0,
2495                                                     drm_gtf2_m(edid),
2496                                                     drm_gtf2_2c(edid),
2497                                                     drm_gtf2_k(edid),
2498                                                     drm_gtf2_2j(edid));
2499                 }
2500                 break;
2501         case LEVEL_CVT:
2502                 mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2503                                     false);
2504                 break;
2505         }
2506         return mode;
2507 }
2508
2509 /*
2510  * EDID is delightfully ambiguous about how interlaced modes are to be
2511  * encoded.  Our internal representation is of frame height, but some
2512  * HDTV detailed timings are encoded as field height.
2513  *
2514  * The format list here is from CEA, in frame size.  Technically we
2515  * should be checking refresh rate too.  Whatever.
2516  */
2517 static void
2518 drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2519                             struct detailed_pixel_timing *pt)
2520 {
2521         int i;
2522         static const struct {
2523                 int w, h;
2524         } cea_interlaced[] = {
2525                 { 1920, 1080 },
2526                 {  720,  480 },
2527                 { 1440,  480 },
2528                 { 2880,  480 },
2529                 {  720,  576 },
2530                 { 1440,  576 },
2531                 { 2880,  576 },
2532         };
2533
2534         if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2535                 return;
2536
2537         for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2538                 if ((mode->hdisplay == cea_interlaced[i].w) &&
2539                     (mode->vdisplay == cea_interlaced[i].h / 2)) {
2540                         mode->vdisplay *= 2;
2541                         mode->vsync_start *= 2;
2542                         mode->vsync_end *= 2;
2543                         mode->vtotal *= 2;
2544                         mode->vtotal |= 1;
2545                 }
2546         }
2547
2548         mode->flags |= DRM_MODE_FLAG_INTERLACE;
2549 }
2550
2551 /**
2552  * drm_mode_detailed - create a new mode from an EDID detailed timing section
2553  * @dev: DRM device (needed to create new mode)
2554  * @edid: EDID block
2555  * @timing: EDID detailed timing info
2556  * @quirks: quirks to apply
2557  *
2558  * An EDID detailed timing block contains enough info for us to create and
2559  * return a new struct drm_display_mode.
2560  */
2561 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2562                                                   struct edid *edid,
2563                                                   struct detailed_timing *timing,
2564                                                   u32 quirks)
2565 {
2566         struct drm_display_mode *mode;
2567         struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2568         unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2569         unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2570         unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2571         unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2572         unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2573         unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2574         unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2575         unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2576
2577         /* ignore tiny modes */
2578         if (hactive < 64 || vactive < 64)
2579                 return NULL;
2580
2581         if (pt->misc & DRM_EDID_PT_STEREO) {
2582                 DRM_DEBUG_KMS("stereo mode not supported\n");
2583                 return NULL;
2584         }
2585         if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2586                 DRM_DEBUG_KMS("composite sync not supported\n");
2587         }
2588
2589         /* it is incorrect if hsync/vsync width is zero */
2590         if (!hsync_pulse_width || !vsync_pulse_width) {
2591                 DRM_DEBUG_KMS("Incorrect Detailed timing. "
2592                                 "Wrong Hsync/Vsync pulse width\n");
2593                 return NULL;
2594         }
2595
2596         if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2597                 mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2598                 if (!mode)
2599                         return NULL;
2600
2601                 goto set_size;
2602         }
2603
2604         mode = drm_mode_create(dev);
2605         if (!mode)
2606                 return NULL;
2607
2608         if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2609                 timing->pixel_clock = cpu_to_le16(1088);
2610
2611         mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2612
2613         mode->hdisplay = hactive;
2614         mode->hsync_start = mode->hdisplay + hsync_offset;
2615         mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2616         mode->htotal = mode->hdisplay + hblank;
2617
2618         mode->vdisplay = vactive;
2619         mode->vsync_start = mode->vdisplay + vsync_offset;
2620         mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2621         mode->vtotal = mode->vdisplay + vblank;
2622
2623         /* Some EDIDs have bogus h/vtotal values */
2624         if (mode->hsync_end > mode->htotal)
2625                 mode->htotal = mode->hsync_end + 1;
2626         if (mode->vsync_end > mode->vtotal)
2627                 mode->vtotal = mode->vsync_end + 1;
2628
2629         drm_mode_do_interlace_quirk(mode, pt);
2630
2631         if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2632                 pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
2633         }
2634
2635         mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2636                 DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2637         mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2638                 DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2639
2640 set_size:
2641         mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2642         mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2643
2644         if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2645                 mode->width_mm *= 10;
2646                 mode->height_mm *= 10;
2647         }
2648
2649         if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2650                 mode->width_mm = edid->width_cm * 10;
2651                 mode->height_mm = edid->height_cm * 10;
2652         }
2653
2654         mode->type = DRM_MODE_TYPE_DRIVER;
2655         drm_mode_set_name(mode);
2656
2657         return mode;
2658 }
2659
2660 static bool
2661 mode_in_hsync_range(const struct drm_display_mode *mode,
2662                     struct edid *edid, u8 *t)
2663 {
2664         int hsync, hmin, hmax;
2665
2666         hmin = t[7];
2667         if (edid->revision >= 4)
2668             hmin += ((t[4] & 0x04) ? 255 : 0);
2669         hmax = t[8];
2670         if (edid->revision >= 4)
2671             hmax += ((t[4] & 0x08) ? 255 : 0);
2672         hsync = drm_mode_hsync(mode);
2673
2674         return (hsync <= hmax && hsync >= hmin);
2675 }
2676
2677 static bool
2678 mode_in_vsync_range(const struct drm_display_mode *mode,
2679                     struct edid *edid, u8 *t)
2680 {
2681         int vsync, vmin, vmax;
2682
2683         vmin = t[5];
2684         if (edid->revision >= 4)
2685             vmin += ((t[4] & 0x01) ? 255 : 0);
2686         vmax = t[6];
2687         if (edid->revision >= 4)
2688             vmax += ((t[4] & 0x02) ? 255 : 0);
2689         vsync = drm_mode_vrefresh(mode);
2690
2691         return (vsync <= vmax && vsync >= vmin);
2692 }
2693
2694 static u32
2695 range_pixel_clock(struct edid *edid, u8 *t)
2696 {
2697         /* unspecified */
2698         if (t[9] == 0 || t[9] == 255)
2699                 return 0;
2700
2701         /* 1.4 with CVT support gives us real precision, yay */
2702         if (edid->revision >= 4 && t[10] == 0x04)
2703                 return (t[9] * 10000) - ((t[12] >> 2) * 250);
2704
2705         /* 1.3 is pathetic, so fuzz up a bit */
2706         return t[9] * 10000 + 5001;
2707 }
2708
2709 static bool
2710 mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2711               struct detailed_timing *timing)
2712 {
2713         u32 max_clock;
2714         u8 *t = (u8 *)timing;
2715
2716         if (!mode_in_hsync_range(mode, edid, t))
2717                 return false;
2718
2719         if (!mode_in_vsync_range(mode, edid, t))
2720                 return false;
2721
2722         if ((max_clock = range_pixel_clock(edid, t)))
2723                 if (mode->clock > max_clock)
2724                         return false;
2725
2726         /* 1.4 max horizontal check */
2727         if (edid->revision >= 4 && t[10] == 0x04)
2728                 if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2729                         return false;
2730
2731         if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2732                 return false;
2733
2734         return true;
2735 }
2736
2737 static bool valid_inferred_mode(const struct drm_connector *connector,
2738                                 const struct drm_display_mode *mode)
2739 {
2740         const struct drm_display_mode *m;
2741         bool ok = false;
2742
2743         list_for_each_entry(m, &connector->probed_modes, head) {
2744                 if (mode->hdisplay == m->hdisplay &&
2745                     mode->vdisplay == m->vdisplay &&
2746                     drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2747                         return false; /* duplicated */
2748                 if (mode->hdisplay <= m->hdisplay &&
2749                     mode->vdisplay <= m->vdisplay)
2750                         ok = true;
2751         }
2752         return ok;
2753 }
2754
2755 static int
2756 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2757                         struct detailed_timing *timing)
2758 {
2759         int i, modes = 0;
2760         struct drm_display_mode *newmode;
2761         struct drm_device *dev = connector->dev;
2762
2763         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2764                 if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2765                     valid_inferred_mode(connector, drm_dmt_modes + i)) {
2766                         newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2767                         if (newmode) {
2768                                 drm_mode_probed_add(connector, newmode);
2769                                 modes++;
2770                         }
2771                 }
2772         }
2773
2774         return modes;
2775 }
2776
2777 /* fix up 1366x768 mode from 1368x768;
2778  * GFT/CVT can't express 1366 width which isn't dividable by 8
2779  */
2780 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2781 {
2782         if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2783                 mode->hdisplay = 1366;
2784                 mode->hsync_start--;
2785                 mode->hsync_end--;
2786                 drm_mode_set_name(mode);
2787         }
2788 }
2789
2790 static int
2791 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2792                         struct detailed_timing *timing)
2793 {
2794         int i, modes = 0;
2795         struct drm_display_mode *newmode;
2796         struct drm_device *dev = connector->dev;
2797
2798         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2799                 const struct minimode *m = &extra_modes[i];
2800                 newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2801                 if (!newmode)
2802                         return modes;
2803
2804                 drm_mode_fixup_1366x768(newmode);
2805                 if (!mode_in_range(newmode, edid, timing) ||
2806                     !valid_inferred_mode(connector, newmode)) {
2807                         drm_mode_destroy(dev, newmode);
2808                         continue;
2809                 }
2810
2811                 drm_mode_probed_add(connector, newmode);
2812                 modes++;
2813         }
2814
2815         return modes;
2816 }
2817
2818 static int
2819 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2820                         struct detailed_timing *timing)
2821 {
2822         int i, modes = 0;
2823         struct drm_display_mode *newmode;
2824         struct drm_device *dev = connector->dev;
2825         bool rb = drm_monitor_supports_rb(edid);
2826
2827         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2828                 const struct minimode *m = &extra_modes[i];
2829                 newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2830                 if (!newmode)
2831                         return modes;
2832
2833                 drm_mode_fixup_1366x768(newmode);
2834                 if (!mode_in_range(newmode, edid, timing) ||
2835                     !valid_inferred_mode(connector, newmode)) {
2836                         drm_mode_destroy(dev, newmode);
2837                         continue;
2838                 }
2839
2840                 drm_mode_probed_add(connector, newmode);
2841                 modes++;
2842         }
2843
2844         return modes;
2845 }
2846
2847 static void
2848 do_inferred_modes(struct detailed_timing *timing, void *c)
2849 {
2850         struct detailed_mode_closure *closure = c;
2851         struct detailed_non_pixel *data = &timing->data.other_data;
2852         struct detailed_data_monitor_range *range = &data->data.range;
2853
2854         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
2855                 return;
2856
2857         closure->modes += drm_dmt_modes_for_range(closure->connector,
2858                                                   closure->edid,
2859                                                   timing);
2860
2861         if (!version_greater(closure->edid, 1, 1))
2862                 return; /* GTF not defined yet */
2863
2864         switch (range->flags) {
2865         case 0x02: /* secondary gtf, XXX could do more */
2866         case 0x00: /* default gtf */
2867                 closure->modes += drm_gtf_modes_for_range(closure->connector,
2868                                                           closure->edid,
2869                                                           timing);
2870                 break;
2871         case 0x04: /* cvt, only in 1.4+ */
2872                 if (!version_greater(closure->edid, 1, 3))
2873                         break;
2874
2875                 closure->modes += drm_cvt_modes_for_range(closure->connector,
2876                                                           closure->edid,
2877                                                           timing);
2878                 break;
2879         case 0x01: /* just the ranges, no formula */
2880         default:
2881                 break;
2882         }
2883 }
2884
2885 static int
2886 add_inferred_modes(struct drm_connector *connector, struct edid *edid)
2887 {
2888         struct detailed_mode_closure closure = {
2889                 .connector = connector,
2890                 .edid = edid,
2891         };
2892
2893         if (version_greater(edid, 1, 0))
2894                 drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
2895                                             &closure);
2896
2897         return closure.modes;
2898 }
2899
2900 static int
2901 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
2902 {
2903         int i, j, m, modes = 0;
2904         struct drm_display_mode *mode;
2905         u8 *est = ((u8 *)timing) + 6;
2906
2907         for (i = 0; i < 6; i++) {
2908                 for (j = 7; j >= 0; j--) {
2909                         m = (i * 8) + (7 - j);
2910                         if (m >= ARRAY_SIZE(est3_modes))
2911                                 break;
2912                         if (est[i] & (1 << j)) {
2913                                 mode = drm_mode_find_dmt(connector->dev,
2914                                                          est3_modes[m].w,
2915                                                          est3_modes[m].h,
2916                                                          est3_modes[m].r,
2917                                                          est3_modes[m].rb);
2918                                 if (mode) {
2919                                         drm_mode_probed_add(connector, mode);
2920                                         modes++;
2921                                 }
2922                         }
2923                 }
2924         }
2925
2926         return modes;
2927 }
2928
2929 static void
2930 do_established_modes(struct detailed_timing *timing, void *c)
2931 {
2932         struct detailed_mode_closure *closure = c;
2933
2934         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_EST_TIMINGS))
2935                 return;
2936
2937         closure->modes += drm_est3_modes(closure->connector, timing);
2938 }
2939
2940 /**
2941  * add_established_modes - get est. modes from EDID and add them
2942  * @connector: connector to add mode(s) to
2943  * @edid: EDID block to scan
2944  *
2945  * Each EDID block contains a bitmap of the supported "established modes" list
2946  * (defined above).  Tease them out and add them to the global modes list.
2947  */
2948 static int
2949 add_established_modes(struct drm_connector *connector, struct edid *edid)
2950 {
2951         struct drm_device *dev = connector->dev;
2952         unsigned long est_bits = edid->established_timings.t1 |
2953                 (edid->established_timings.t2 << 8) |
2954                 ((edid->established_timings.mfg_rsvd & 0x80) << 9);
2955         int i, modes = 0;
2956         struct detailed_mode_closure closure = {
2957                 .connector = connector,
2958                 .edid = edid,
2959         };
2960
2961         for (i = 0; i <= EDID_EST_TIMINGS; i++) {
2962                 if (est_bits & (1<<i)) {
2963                         struct drm_display_mode *newmode;
2964                         newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
2965                         if (newmode) {
2966                                 drm_mode_probed_add(connector, newmode);
2967                                 modes++;
2968                         }
2969                 }
2970         }
2971
2972         if (version_greater(edid, 1, 0))
2973                     drm_for_each_detailed_block((u8 *)edid,
2974                                                 do_established_modes, &closure);
2975
2976         return modes + closure.modes;
2977 }
2978
2979 static void
2980 do_standard_modes(struct detailed_timing *timing, void *c)
2981 {
2982         struct detailed_mode_closure *closure = c;
2983         struct detailed_non_pixel *data = &timing->data.other_data;
2984         struct drm_connector *connector = closure->connector;
2985         struct edid *edid = closure->edid;
2986         int i;
2987
2988         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_STD_MODES))
2989                 return;
2990
2991         for (i = 0; i < 6; i++) {
2992                 struct std_timing *std = &data->data.timings[i];
2993                 struct drm_display_mode *newmode;
2994
2995                 newmode = drm_mode_std(connector, edid, std);
2996                 if (newmode) {
2997                         drm_mode_probed_add(connector, newmode);
2998                         closure->modes++;
2999                 }
3000         }
3001 }
3002
3003 /**
3004  * add_standard_modes - get std. modes from EDID and add them
3005  * @connector: connector to add mode(s) to
3006  * @edid: EDID block to scan
3007  *
3008  * Standard modes can be calculated using the appropriate standard (DMT,
3009  * GTF or CVT. Grab them from @edid and add them to the list.
3010  */
3011 static int
3012 add_standard_modes(struct drm_connector *connector, struct edid *edid)
3013 {
3014         int i, modes = 0;
3015         struct detailed_mode_closure closure = {
3016                 .connector = connector,
3017                 .edid = edid,
3018         };
3019
3020         for (i = 0; i < EDID_STD_TIMINGS; i++) {
3021                 struct drm_display_mode *newmode;
3022
3023                 newmode = drm_mode_std(connector, edid,
3024                                        &edid->standard_timings[i]);
3025                 if (newmode) {
3026                         drm_mode_probed_add(connector, newmode);
3027                         modes++;
3028                 }
3029         }
3030
3031         if (version_greater(edid, 1, 0))
3032                 drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
3033                                             &closure);
3034
3035         /* XXX should also look for standard codes in VTB blocks */
3036
3037         return modes + closure.modes;
3038 }
3039
3040 static int drm_cvt_modes(struct drm_connector *connector,
3041                          struct detailed_timing *timing)
3042 {
3043         int i, j, modes = 0;
3044         struct drm_display_mode *newmode;
3045         struct drm_device *dev = connector->dev;
3046         struct cvt_timing *cvt;
3047         const int rates[] = { 60, 85, 75, 60, 50 };
3048         const u8 empty[3] = { 0, 0, 0 };
3049
3050         for (i = 0; i < 4; i++) {
3051                 int uninitialized_var(width), height;
3052                 cvt = &(timing->data.other_data.data.cvt[i]);
3053
3054                 if (!memcmp(cvt->code, empty, 3))
3055                         continue;
3056
3057                 height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3058                 switch (cvt->code[1] & 0x0c) {
3059                 case 0x00:
3060                         width = height * 4 / 3;
3061                         break;
3062                 case 0x04:
3063                         width = height * 16 / 9;
3064                         break;
3065                 case 0x08:
3066                         width = height * 16 / 10;
3067                         break;
3068                 case 0x0c:
3069                         width = height * 15 / 9;
3070                         break;
3071                 }
3072
3073                 for (j = 1; j < 5; j++) {
3074                         if (cvt->code[2] & (1 << j)) {
3075                                 newmode = drm_cvt_mode(dev, width, height,
3076                                                        rates[j], j == 0,
3077                                                        false, false);
3078                                 if (newmode) {
3079                                         drm_mode_probed_add(connector, newmode);
3080                                         modes++;
3081                                 }
3082                         }
3083                 }
3084         }
3085
3086         return modes;
3087 }
3088
3089 static void
3090 do_cvt_mode(struct detailed_timing *timing, void *c)
3091 {
3092         struct detailed_mode_closure *closure = c;
3093
3094         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_CVT_3BYTE))
3095                 return;
3096
3097         closure->modes += drm_cvt_modes(closure->connector, timing);
3098 }
3099
3100 static int
3101 add_cvt_modes(struct drm_connector *connector, struct edid *edid)
3102 {
3103         struct detailed_mode_closure closure = {
3104                 .connector = connector,
3105                 .edid = edid,
3106         };
3107
3108         if (version_greater(edid, 1, 2))
3109                 drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
3110
3111         /* XXX should also look for CVT codes in VTB blocks */
3112
3113         return closure.modes;
3114 }
3115
3116 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3117
3118 static void
3119 do_detailed_mode(struct detailed_timing *timing, void *c)
3120 {
3121         struct detailed_mode_closure *closure = c;
3122         struct drm_display_mode *newmode;
3123
3124         if (!is_detailed_timing_descriptor((const u8 *)timing))
3125                 return;
3126
3127         newmode = drm_mode_detailed(closure->connector->dev,
3128                                     closure->edid, timing,
3129                                     closure->quirks);
3130         if (!newmode)
3131                 return;
3132
3133         if (closure->preferred)
3134                 newmode->type |= DRM_MODE_TYPE_PREFERRED;
3135
3136         /*
3137          * Detailed modes are limited to 10kHz pixel clock resolution,
3138          * so fix up anything that looks like CEA/HDMI mode, but the clock
3139          * is just slightly off.
3140          */
3141         fixup_detailed_cea_mode_clock(newmode);
3142
3143         drm_mode_probed_add(closure->connector, newmode);
3144         closure->modes++;
3145         closure->preferred = false;
3146 }
3147
3148 /*
3149  * add_detailed_modes - Add modes from detailed timings
3150  * @connector: attached connector
3151  * @edid: EDID block to scan
3152  * @quirks: quirks to apply
3153  */
3154 static int
3155 add_detailed_modes(struct drm_connector *connector, struct edid *edid,
3156                    u32 quirks)
3157 {
3158         struct detailed_mode_closure closure = {
3159                 .connector = connector,
3160                 .edid = edid,
3161                 .preferred = true,
3162                 .quirks = quirks,
3163         };
3164
3165         if (closure.preferred && !version_greater(edid, 1, 3))
3166                 closure.preferred =
3167                     (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3168
3169         drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
3170
3171         return closure.modes;
3172 }
3173
3174 #define AUDIO_BLOCK     0x01
3175 #define VIDEO_BLOCK     0x02
3176 #define VENDOR_BLOCK    0x03
3177 #define SPEAKER_BLOCK   0x04
3178 #define HDR_STATIC_METADATA_BLOCK       0x6
3179 #define USE_EXTENDED_TAG 0x07
3180 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3181 #define EXT_VIDEO_DATA_BLOCK_420        0x0E
3182 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3183 #define EDID_BASIC_AUDIO        (1 << 6)
3184 #define EDID_CEA_YCRCB444       (1 << 5)
3185 #define EDID_CEA_YCRCB422       (1 << 4)
3186 #define EDID_CEA_VCDB_QS        (1 << 6)
3187
3188 /*
3189  * Search EDID for CEA extension block.
3190  */
3191 static u8 *drm_find_edid_extension(const struct edid *edid, int ext_id)
3192 {
3193         u8 *edid_ext = NULL;
3194         int i;
3195
3196         /* No EDID or EDID extensions */
3197         if (edid == NULL || edid->extensions == 0)
3198                 return NULL;
3199
3200         /* Find CEA extension */
3201         for (i = 0; i < edid->extensions; i++) {
3202                 edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
3203                 if (edid_ext[0] == ext_id)
3204                         break;
3205         }
3206
3207         if (i == edid->extensions)
3208                 return NULL;
3209
3210         return edid_ext;
3211 }
3212
3213
3214 static u8 *drm_find_displayid_extension(const struct edid *edid,
3215                                         int *length, int *idx)
3216 {
3217         u8 *displayid = drm_find_edid_extension(edid, DISPLAYID_EXT);
3218         struct displayid_hdr *base;
3219         int ret;
3220
3221         if (!displayid)
3222                 return NULL;
3223
3224         /* EDID extensions block checksum isn't for us */
3225         *length = EDID_LENGTH - 1;
3226         *idx = 1;
3227
3228         ret = validate_displayid(displayid, *length, *idx);
3229         if (ret)
3230                 return NULL;
3231
3232         base = (struct displayid_hdr *)&displayid[*idx];
3233         *length = *idx + sizeof(*base) + base->bytes;
3234
3235         return displayid;
3236 }
3237
3238 static u8 *drm_find_cea_extension(const struct edid *edid)
3239 {
3240         int length, idx;
3241         struct displayid_block *block;
3242         u8 *cea;
3243         u8 *displayid;
3244
3245         /* Look for a top level CEA extension block */
3246         cea = drm_find_edid_extension(edid, CEA_EXT);
3247         if (cea)
3248                 return cea;
3249
3250         /* CEA blocks can also be found embedded in a DisplayID block */
3251         displayid = drm_find_displayid_extension(edid, &length, &idx);
3252         if (!displayid)
3253                 return NULL;
3254
3255         idx += sizeof(struct displayid_hdr);
3256         for_each_displayid_db(displayid, block, idx, length) {
3257                 if (block->tag == DATA_BLOCK_CTA) {
3258                         cea = (u8 *)block;
3259                         break;
3260                 }
3261         }
3262
3263         return cea;
3264 }
3265
3266 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3267 {
3268         BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3269         BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3270
3271         if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3272                 return &edid_cea_modes_1[vic - 1];
3273         if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3274                 return &edid_cea_modes_193[vic - 193];
3275         return NULL;
3276 }
3277
3278 static u8 cea_num_vics(void)
3279 {
3280         return 193 + ARRAY_SIZE(edid_cea_modes_193);
3281 }
3282
3283 static u8 cea_next_vic(u8 vic)
3284 {
3285         if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3286                 vic = 193;
3287         return vic;
3288 }
3289
3290 /*
3291  * Calculate the alternate clock for the CEA mode
3292  * (60Hz vs. 59.94Hz etc.)
3293  */
3294 static unsigned int
3295 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3296 {
3297         unsigned int clock = cea_mode->clock;
3298
3299         if (drm_mode_vrefresh(cea_mode) % 6 != 0)
3300                 return clock;
3301
3302         /*
3303          * edid_cea_modes contains the 59.94Hz
3304          * variant for 240 and 480 line modes,
3305          * and the 60Hz variant otherwise.
3306          */
3307         if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3308                 clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3309         else
3310                 clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3311
3312         return clock;
3313 }
3314
3315 static bool
3316 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3317 {
3318         /*
3319          * For certain VICs the spec allows the vertical
3320          * front porch to vary by one or two lines.
3321          *
3322          * cea_modes[] stores the variant with the shortest
3323          * vertical front porch. We can adjust the mode to
3324          * get the other variants by simply increasing the
3325          * vertical front porch length.
3326          */
3327         BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3328                      cea_mode_for_vic(9)->vtotal != 262 ||
3329                      cea_mode_for_vic(12)->vtotal != 262 ||
3330                      cea_mode_for_vic(13)->vtotal != 262 ||
3331                      cea_mode_for_vic(23)->vtotal != 312 ||
3332                      cea_mode_for_vic(24)->vtotal != 312 ||
3333                      cea_mode_for_vic(27)->vtotal != 312 ||
3334                      cea_mode_for_vic(28)->vtotal != 312);
3335
3336         if (((vic == 8 || vic == 9 ||
3337               vic == 12 || vic == 13) && mode->vtotal < 263) ||
3338             ((vic == 23 || vic == 24 ||
3339               vic == 27 || vic == 28) && mode->vtotal < 314)) {
3340                 mode->vsync_start++;
3341                 mode->vsync_end++;
3342                 mode->vtotal++;
3343
3344                 return true;
3345         }
3346
3347         return false;
3348 }
3349
3350 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3351                                              unsigned int clock_tolerance)
3352 {
3353         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3354         u8 vic;
3355
3356         if (!to_match->clock)
3357                 return 0;
3358
3359         if (to_match->picture_aspect_ratio)
3360                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3361
3362         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3363                 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3364                 unsigned int clock1, clock2;
3365
3366                 /* Check both 60Hz and 59.94Hz */
3367                 clock1 = cea_mode.clock;
3368                 clock2 = cea_mode_alternate_clock(&cea_mode);
3369
3370                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3371                     abs(to_match->clock - clock2) > clock_tolerance)
3372                         continue;
3373
3374                 do {
3375                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3376                                 return vic;
3377                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3378         }
3379
3380         return 0;
3381 }
3382
3383 /**
3384  * drm_match_cea_mode - look for a CEA mode matching given mode
3385  * @to_match: display mode
3386  *
3387  * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3388  * mode.
3389  */
3390 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3391 {
3392         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3393         u8 vic;
3394
3395         if (!to_match->clock)
3396                 return 0;
3397
3398         if (to_match->picture_aspect_ratio)
3399                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3400
3401         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3402                 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3403                 unsigned int clock1, clock2;
3404
3405                 /* Check both 60Hz and 59.94Hz */
3406                 clock1 = cea_mode.clock;
3407                 clock2 = cea_mode_alternate_clock(&cea_mode);
3408
3409                 if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3410                     KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3411                         continue;
3412
3413                 do {
3414                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3415                                 return vic;
3416                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3417         }
3418
3419         return 0;
3420 }
3421 EXPORT_SYMBOL(drm_match_cea_mode);
3422
3423 static bool drm_valid_cea_vic(u8 vic)
3424 {
3425         return cea_mode_for_vic(vic) != NULL;
3426 }
3427
3428 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3429 {
3430         const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3431
3432         if (mode)
3433                 return mode->picture_aspect_ratio;
3434
3435         return HDMI_PICTURE_ASPECT_NONE;
3436 }
3437
3438 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3439 {
3440         return edid_4k_modes[video_code].picture_aspect_ratio;
3441 }
3442
3443 /*
3444  * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3445  * specific block).
3446  */
3447 static unsigned int
3448 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3449 {
3450         return cea_mode_alternate_clock(hdmi_mode);
3451 }
3452
3453 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3454                                               unsigned int clock_tolerance)
3455 {
3456         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3457         u8 vic;
3458
3459         if (!to_match->clock)
3460                 return 0;
3461
3462         if (to_match->picture_aspect_ratio)
3463                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3464
3465         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3466                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3467                 unsigned int clock1, clock2;
3468
3469                 /* Make sure to also match alternate clocks */
3470                 clock1 = hdmi_mode->clock;
3471                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3472
3473                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3474                     abs(to_match->clock - clock2) > clock_tolerance)
3475                         continue;
3476
3477                 if (drm_mode_match(to_match, hdmi_mode, match_flags))
3478                         return vic;
3479         }
3480
3481         return 0;
3482 }
3483
3484 /*
3485  * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3486  * @to_match: display mode
3487  *
3488  * An HDMI mode is one defined in the HDMI vendor specific block.
3489  *
3490  * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3491  */
3492 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3493 {
3494         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3495         u8 vic;
3496
3497         if (!to_match->clock)
3498                 return 0;
3499
3500         if (to_match->picture_aspect_ratio)
3501                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3502
3503         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3504                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3505                 unsigned int clock1, clock2;
3506
3507                 /* Make sure to also match alternate clocks */
3508                 clock1 = hdmi_mode->clock;
3509                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3510
3511                 if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3512                      KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3513                     drm_mode_match(to_match, hdmi_mode, match_flags))
3514                         return vic;
3515         }
3516         return 0;
3517 }
3518
3519 static bool drm_valid_hdmi_vic(u8 vic)
3520 {
3521         return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3522 }
3523
3524 static int
3525 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3526 {
3527         struct drm_device *dev = connector->dev;
3528         struct drm_display_mode *mode, *tmp;
3529         LIST_HEAD(list);
3530         int modes = 0;
3531
3532         /* Don't add CEA modes if the CEA extension block is missing */
3533         if (!drm_find_cea_extension(edid))
3534                 return 0;
3535
3536         /*
3537          * Go through all probed modes and create a new mode
3538          * with the alternate clock for certain CEA modes.
3539          */
3540         list_for_each_entry(mode, &connector->probed_modes, head) {
3541                 const struct drm_display_mode *cea_mode = NULL;
3542                 struct drm_display_mode *newmode;
3543                 u8 vic = drm_match_cea_mode(mode);
3544                 unsigned int clock1, clock2;
3545
3546                 if (drm_valid_cea_vic(vic)) {
3547                         cea_mode = cea_mode_for_vic(vic);
3548                         clock2 = cea_mode_alternate_clock(cea_mode);
3549                 } else {
3550                         vic = drm_match_hdmi_mode(mode);
3551                         if (drm_valid_hdmi_vic(vic)) {
3552                                 cea_mode = &edid_4k_modes[vic];
3553                                 clock2 = hdmi_mode_alternate_clock(cea_mode);
3554                         }
3555                 }
3556
3557                 if (!cea_mode)
3558                         continue;
3559
3560                 clock1 = cea_mode->clock;
3561
3562                 if (clock1 == clock2)
3563                         continue;
3564
3565                 if (mode->clock != clock1 && mode->clock != clock2)
3566                         continue;
3567
3568                 newmode = drm_mode_duplicate(dev, cea_mode);
3569                 if (!newmode)
3570                         continue;
3571
3572                 /* Carry over the stereo flags */
3573                 newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3574
3575                 /*
3576                  * The current mode could be either variant. Make
3577                  * sure to pick the "other" clock for the new mode.
3578                  */
3579                 if (mode->clock != clock1)
3580                         newmode->clock = clock1;
3581                 else
3582                         newmode->clock = clock2;
3583
3584                 list_add_tail(&newmode->head, &list);
3585         }
3586
3587         list_for_each_entry_safe(mode, tmp, &list, head) {
3588                 list_del(&mode->head);
3589                 drm_mode_probed_add(connector, mode);
3590                 modes++;
3591         }
3592
3593         return modes;
3594 }
3595
3596 static u8 svd_to_vic(u8 svd)
3597 {
3598         /* 0-6 bit vic, 7th bit native mode indicator */
3599         if ((svd >= 1 &&  svd <= 64) || (svd >= 129 && svd <= 192))
3600                 return svd & 127;
3601
3602         return svd;
3603 }
3604
3605 static struct drm_display_mode *
3606 drm_display_mode_from_vic_index(struct drm_connector *connector,
3607                                 const u8 *video_db, u8 video_len,
3608                                 u8 video_index)
3609 {
3610         struct drm_device *dev = connector->dev;
3611         struct drm_display_mode *newmode;
3612         u8 vic;
3613
3614         if (video_db == NULL || video_index >= video_len)
3615                 return NULL;
3616
3617         /* CEA modes are numbered 1..127 */
3618         vic = svd_to_vic(video_db[video_index]);
3619         if (!drm_valid_cea_vic(vic))
3620                 return NULL;
3621
3622         newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3623         if (!newmode)
3624                 return NULL;
3625
3626         return newmode;
3627 }
3628
3629 /*
3630  * do_y420vdb_modes - Parse YCBCR 420 only modes
3631  * @connector: connector corresponding to the HDMI sink
3632  * @svds: start of the data block of CEA YCBCR 420 VDB
3633  * @len: length of the CEA YCBCR 420 VDB
3634  *
3635  * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3636  * which contains modes which can be supported in YCBCR 420
3637  * output format only.
3638  */
3639 static int do_y420vdb_modes(struct drm_connector *connector,
3640                             const u8 *svds, u8 svds_len)
3641 {
3642         int modes = 0, i;
3643         struct drm_device *dev = connector->dev;
3644         struct drm_display_info *info = &connector->display_info;
3645         struct drm_hdmi_info *hdmi = &info->hdmi;
3646
3647         for (i = 0; i < svds_len; i++) {
3648                 u8 vic = svd_to_vic(svds[i]);
3649                 struct drm_display_mode *newmode;
3650
3651                 if (!drm_valid_cea_vic(vic))
3652                         continue;
3653
3654                 newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3655                 if (!newmode)
3656                         break;
3657                 bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3658                 drm_mode_probed_add(connector, newmode);
3659                 modes++;
3660         }
3661
3662         if (modes > 0)
3663                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3664         return modes;
3665 }
3666
3667 /*
3668  * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3669  * @connector: connector corresponding to the HDMI sink
3670  * @vic: CEA vic for the video mode to be added in the map
3671  *
3672  * Makes an entry for a videomode in the YCBCR 420 bitmap
3673  */
3674 static void
3675 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3676 {
3677         u8 vic = svd_to_vic(svd);
3678         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3679
3680         if (!drm_valid_cea_vic(vic))
3681                 return;
3682
3683         bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3684 }
3685
3686 static int
3687 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3688 {
3689         int i, modes = 0;
3690         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3691
3692         for (i = 0; i < len; i++) {
3693                 struct drm_display_mode *mode;
3694                 mode = drm_display_mode_from_vic_index(connector, db, len, i);
3695                 if (mode) {
3696                         /*
3697                          * YCBCR420 capability block contains a bitmap which
3698                          * gives the index of CEA modes from CEA VDB, which
3699                          * can support YCBCR 420 sampling output also (apart
3700                          * from RGB/YCBCR444 etc).
3701                          * For example, if the bit 0 in bitmap is set,
3702                          * first mode in VDB can support YCBCR420 output too.
3703                          * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
3704                          */
3705                         if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
3706                                 drm_add_cmdb_modes(connector, db[i]);
3707
3708                         drm_mode_probed_add(connector, mode);
3709                         modes++;
3710                 }
3711         }
3712
3713         return modes;
3714 }
3715
3716 struct stereo_mandatory_mode {
3717         int width, height, vrefresh;
3718         unsigned int flags;
3719 };
3720
3721 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3722         { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3723         { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3724         { 1920, 1080, 50,
3725           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3726         { 1920, 1080, 60,
3727           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3728         { 1280, 720,  50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3729         { 1280, 720,  50, DRM_MODE_FLAG_3D_FRAME_PACKING },
3730         { 1280, 720,  60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3731         { 1280, 720,  60, DRM_MODE_FLAG_3D_FRAME_PACKING }
3732 };
3733
3734 static bool
3735 stereo_match_mandatory(const struct drm_display_mode *mode,
3736                        const struct stereo_mandatory_mode *stereo_mode)
3737 {
3738         unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
3739
3740         return mode->hdisplay == stereo_mode->width &&
3741                mode->vdisplay == stereo_mode->height &&
3742                interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
3743                drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
3744 }
3745
3746 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
3747 {
3748         struct drm_device *dev = connector->dev;
3749         const struct drm_display_mode *mode;
3750         struct list_head stereo_modes;
3751         int modes = 0, i;
3752
3753         INIT_LIST_HEAD(&stereo_modes);
3754
3755         list_for_each_entry(mode, &connector->probed_modes, head) {
3756                 for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
3757                         const struct stereo_mandatory_mode *mandatory;
3758                         struct drm_display_mode *new_mode;
3759
3760                         if (!stereo_match_mandatory(mode,
3761                                                     &stereo_mandatory_modes[i]))
3762                                 continue;
3763
3764                         mandatory = &stereo_mandatory_modes[i];
3765                         new_mode = drm_mode_duplicate(dev, mode);
3766                         if (!new_mode)
3767                                 continue;
3768
3769                         new_mode->flags |= mandatory->flags;
3770                         list_add_tail(&new_mode->head, &stereo_modes);
3771                         modes++;
3772                 }
3773         }
3774
3775         list_splice_tail(&stereo_modes, &connector->probed_modes);
3776
3777         return modes;
3778 }
3779
3780 static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
3781 {
3782         struct drm_device *dev = connector->dev;
3783         struct drm_display_mode *newmode;
3784
3785         if (!drm_valid_hdmi_vic(vic)) {
3786                 DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
3787                 return 0;
3788         }
3789
3790         newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
3791         if (!newmode)
3792                 return 0;
3793
3794         drm_mode_probed_add(connector, newmode);
3795
3796         return 1;
3797 }
3798
3799 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
3800                                const u8 *video_db, u8 video_len, u8 video_index)
3801 {
3802         struct drm_display_mode *newmode;
3803         int modes = 0;
3804
3805         if (structure & (1 << 0)) {
3806                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3807                                                           video_len,
3808                                                           video_index);
3809                 if (newmode) {
3810                         newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
3811                         drm_mode_probed_add(connector, newmode);
3812                         modes++;
3813                 }
3814         }
3815         if (structure & (1 << 6)) {
3816                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3817                                                           video_len,
3818                                                           video_index);
3819                 if (newmode) {
3820                         newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3821                         drm_mode_probed_add(connector, newmode);
3822                         modes++;
3823                 }
3824         }
3825         if (structure & (1 << 8)) {
3826                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3827                                                           video_len,
3828                                                           video_index);
3829                 if (newmode) {
3830                         newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3831                         drm_mode_probed_add(connector, newmode);
3832                         modes++;
3833                 }
3834         }
3835
3836         return modes;
3837 }
3838
3839 /*
3840  * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
3841  * @connector: connector corresponding to the HDMI sink
3842  * @db: start of the CEA vendor specific block
3843  * @len: length of the CEA block payload, ie. one can access up to db[len]
3844  *
3845  * Parses the HDMI VSDB looking for modes to add to @connector. This function
3846  * also adds the stereo 3d modes when applicable.
3847  */
3848 static int
3849 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
3850                    const u8 *video_db, u8 video_len)
3851 {
3852         struct drm_display_info *info = &connector->display_info;
3853         int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3854         u8 vic_len, hdmi_3d_len = 0;
3855         u16 mask;
3856         u16 structure_all;
3857
3858         if (len < 8)
3859                 goto out;
3860
3861         /* no HDMI_Video_Present */
3862         if (!(db[8] & (1 << 5)))
3863                 goto out;
3864
3865         /* Latency_Fields_Present */
3866         if (db[8] & (1 << 7))
3867                 offset += 2;
3868
3869         /* I_Latency_Fields_Present */
3870         if (db[8] & (1 << 6))
3871                 offset += 2;
3872
3873         /* the declared length is not long enough for the 2 first bytes
3874          * of additional video format capabilities */
3875         if (len < (8 + offset + 2))
3876                 goto out;
3877
3878         /* 3D_Present */
3879         offset++;
3880         if (db[8 + offset] & (1 << 7)) {
3881                 modes += add_hdmi_mandatory_stereo_modes(connector);
3882
3883                 /* 3D_Multi_present */
3884                 multi_present = (db[8 + offset] & 0x60) >> 5;
3885         }
3886
3887         offset++;
3888         vic_len = db[8 + offset] >> 5;
3889         hdmi_3d_len = db[8 + offset] & 0x1f;
3890
3891         for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
3892                 u8 vic;
3893
3894                 vic = db[9 + offset + i];
3895                 modes += add_hdmi_mode(connector, vic);
3896         }
3897         offset += 1 + vic_len;
3898
3899         if (multi_present == 1)
3900                 multi_len = 2;
3901         else if (multi_present == 2)
3902                 multi_len = 4;
3903         else
3904                 multi_len = 0;
3905
3906         if (len < (8 + offset + hdmi_3d_len - 1))
3907                 goto out;
3908
3909         if (hdmi_3d_len < multi_len)
3910                 goto out;
3911
3912         if (multi_present == 1 || multi_present == 2) {
3913                 /* 3D_Structure_ALL */
3914                 structure_all = (db[8 + offset] << 8) | db[9 + offset];
3915
3916                 /* check if 3D_MASK is present */
3917                 if (multi_present == 2)
3918                         mask = (db[10 + offset] << 8) | db[11 + offset];
3919                 else
3920                         mask = 0xffff;
3921
3922                 for (i = 0; i < 16; i++) {
3923                         if (mask & (1 << i))
3924                                 modes += add_3d_struct_modes(connector,
3925                                                 structure_all,
3926                                                 video_db,
3927                                                 video_len, i);
3928                 }
3929         }
3930
3931         offset += multi_len;
3932
3933         for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
3934                 int vic_index;
3935                 struct drm_display_mode *newmode = NULL;
3936                 unsigned int newflag = 0;
3937                 bool detail_present;
3938
3939                 detail_present = ((db[8 + offset + i] & 0x0f) > 7);
3940
3941                 if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
3942                         break;
3943
3944                 /* 2D_VIC_order_X */
3945                 vic_index = db[8 + offset + i] >> 4;
3946
3947                 /* 3D_Structure_X */
3948                 switch (db[8 + offset + i] & 0x0f) {
3949                 case 0:
3950                         newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
3951                         break;
3952                 case 6:
3953                         newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3954                         break;
3955                 case 8:
3956                         /* 3D_Detail_X */
3957                         if ((db[9 + offset + i] >> 4) == 1)
3958                                 newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3959                         break;
3960                 }
3961
3962                 if (newflag != 0) {
3963                         newmode = drm_display_mode_from_vic_index(connector,
3964                                                                   video_db,
3965                                                                   video_len,
3966                                                                   vic_index);
3967
3968                         if (newmode) {
3969                                 newmode->flags |= newflag;
3970                                 drm_mode_probed_add(connector, newmode);
3971                                 modes++;
3972                         }
3973                 }
3974
3975                 if (detail_present)
3976                         i++;
3977         }
3978
3979 out:
3980         if (modes > 0)
3981                 info->has_hdmi_infoframe = true;
3982         return modes;
3983 }
3984
3985 static int
3986 cea_db_payload_len(const u8 *db)
3987 {
3988         return db[0] & 0x1f;
3989 }
3990
3991 static int
3992 cea_db_extended_tag(const u8 *db)
3993 {
3994         return db[1];
3995 }
3996
3997 static int
3998 cea_db_tag(const u8 *db)
3999 {
4000         return db[0] >> 5;
4001 }
4002
4003 static int
4004 cea_revision(const u8 *cea)
4005 {
4006         /*
4007          * FIXME is this correct for the DispID variant?
4008          * The DispID spec doesn't really specify whether
4009          * this is the revision of the CEA extension or
4010          * the DispID CEA data block. And the only value
4011          * given as an example is 0.
4012          */
4013         return cea[1];
4014 }
4015
4016 static int
4017 cea_db_offsets(const u8 *cea, int *start, int *end)
4018 {
4019         /* DisplayID CTA extension blocks and top-level CEA EDID
4020          * block header definitions differ in the following bytes:
4021          *   1) Byte 2 of the header specifies length differently,
4022          *   2) Byte 3 is only present in the CEA top level block.
4023          *
4024          * The different definitions for byte 2 follow.
4025          *
4026          * DisplayID CTA extension block defines byte 2 as:
4027          *   Number of payload bytes
4028          *
4029          * CEA EDID block defines byte 2 as:
4030          *   Byte number (decimal) within this block where the 18-byte
4031          *   DTDs begin. If no non-DTD data is present in this extension
4032          *   block, the value should be set to 04h (the byte after next).
4033          *   If set to 00h, there are no DTDs present in this block and
4034          *   no non-DTD data.
4035          */
4036         if (cea[0] == DATA_BLOCK_CTA) {
4037                 /*
4038                  * for_each_displayid_db() has already verified
4039                  * that these stay within expected bounds.
4040                  */
4041                 *start = 3;
4042                 *end = *start + cea[2];
4043         } else if (cea[0] == CEA_EXT) {
4044                 /* Data block offset in CEA extension block */
4045                 *start = 4;
4046                 *end = cea[2];
4047                 if (*end == 0)
4048                         *end = 127;
4049                 if (*end < 4 || *end > 127)
4050                         return -ERANGE;
4051         } else {
4052                 return -EOPNOTSUPP;
4053         }
4054
4055         return 0;
4056 }
4057
4058 static bool cea_db_is_hdmi_vsdb(const u8 *db)
4059 {
4060         int hdmi_id;
4061
4062         if (cea_db_tag(db) != VENDOR_BLOCK)
4063                 return false;
4064
4065         if (cea_db_payload_len(db) < 5)
4066                 return false;
4067
4068         hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
4069
4070         return hdmi_id == HDMI_IEEE_OUI;
4071 }
4072
4073 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
4074 {
4075         unsigned int oui;
4076
4077         if (cea_db_tag(db) != VENDOR_BLOCK)
4078                 return false;
4079
4080         if (cea_db_payload_len(db) < 7)
4081                 return false;
4082
4083         oui = db[3] << 16 | db[2] << 8 | db[1];
4084
4085         return oui == HDMI_FORUM_IEEE_OUI;
4086 }
4087
4088 static bool cea_db_is_vcdb(const u8 *db)
4089 {
4090         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4091                 return false;
4092
4093         if (cea_db_payload_len(db) != 2)
4094                 return false;
4095
4096         if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK)
4097                 return false;
4098
4099         return true;
4100 }
4101
4102 static bool cea_db_is_y420cmdb(const u8 *db)
4103 {
4104         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4105                 return false;
4106
4107         if (!cea_db_payload_len(db))
4108                 return false;
4109
4110         if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
4111                 return false;
4112
4113         return true;
4114 }
4115
4116 static bool cea_db_is_y420vdb(const u8 *db)
4117 {
4118         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4119                 return false;
4120
4121         if (!cea_db_payload_len(db))
4122                 return false;
4123
4124         if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
4125                 return false;
4126
4127         return true;
4128 }
4129
4130 #define for_each_cea_db(cea, i, start, end) \
4131         for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
4132
4133 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
4134                                       const u8 *db)
4135 {
4136         struct drm_display_info *info = &connector->display_info;
4137         struct drm_hdmi_info *hdmi = &info->hdmi;
4138         u8 map_len = cea_db_payload_len(db) - 1;
4139         u8 count;
4140         u64 map = 0;
4141
4142         if (map_len == 0) {
4143                 /* All CEA modes support ycbcr420 sampling also.*/
4144                 hdmi->y420_cmdb_map = U64_MAX;
4145                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4146                 return;
4147         }
4148
4149         /*
4150          * This map indicates which of the existing CEA block modes
4151          * from VDB can support YCBCR420 output too. So if bit=0 is
4152          * set, first mode from VDB can support YCBCR420 output too.
4153          * We will parse and keep this map, before parsing VDB itself
4154          * to avoid going through the same block again and again.
4155          *
4156          * Spec is not clear about max possible size of this block.
4157          * Clamping max bitmap block size at 8 bytes. Every byte can
4158          * address 8 CEA modes, in this way this map can address
4159          * 8*8 = first 64 SVDs.
4160          */
4161         if (WARN_ON_ONCE(map_len > 8))
4162                 map_len = 8;
4163
4164         for (count = 0; count < map_len; count++)
4165                 map |= (u64)db[2 + count] << (8 * count);
4166
4167         if (map)
4168                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4169
4170         hdmi->y420_cmdb_map = map;
4171 }
4172
4173 static int
4174 add_cea_modes(struct drm_connector *connector, struct edid *edid)
4175 {
4176         const u8 *cea = drm_find_cea_extension(edid);
4177         const u8 *db, *hdmi = NULL, *video = NULL;
4178         u8 dbl, hdmi_len, video_len = 0;
4179         int modes = 0;
4180
4181         if (cea && cea_revision(cea) >= 3) {
4182                 int i, start, end;
4183
4184                 if (cea_db_offsets(cea, &start, &end))
4185                         return 0;
4186
4187                 for_each_cea_db(cea, i, start, end) {
4188                         db = &cea[i];
4189                         dbl = cea_db_payload_len(db);
4190
4191                         if (cea_db_tag(db) == VIDEO_BLOCK) {
4192                                 video = db + 1;
4193                                 video_len = dbl;
4194                                 modes += do_cea_modes(connector, video, dbl);
4195                         } else if (cea_db_is_hdmi_vsdb(db)) {
4196                                 hdmi = db;
4197                                 hdmi_len = dbl;
4198                         } else if (cea_db_is_y420vdb(db)) {
4199                                 const u8 *vdb420 = &db[2];
4200
4201                                 /* Add 4:2:0(only) modes present in EDID */
4202                                 modes += do_y420vdb_modes(connector,
4203                                                           vdb420,
4204                                                           dbl - 1);
4205                         }
4206                 }
4207         }
4208
4209         /*
4210          * We parse the HDMI VSDB after having added the cea modes as we will
4211          * be patching their flags when the sink supports stereo 3D.
4212          */
4213         if (hdmi)
4214                 modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
4215                                             video_len);
4216
4217         return modes;
4218 }
4219
4220 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
4221 {
4222         const struct drm_display_mode *cea_mode;
4223         int clock1, clock2, clock;
4224         u8 vic;
4225         const char *type;
4226
4227         /*
4228          * allow 5kHz clock difference either way to account for
4229          * the 10kHz clock resolution limit of detailed timings.
4230          */
4231         vic = drm_match_cea_mode_clock_tolerance(mode, 5);
4232         if (drm_valid_cea_vic(vic)) {
4233                 type = "CEA";
4234                 cea_mode = cea_mode_for_vic(vic);
4235                 clock1 = cea_mode->clock;
4236                 clock2 = cea_mode_alternate_clock(cea_mode);
4237         } else {
4238                 vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
4239                 if (drm_valid_hdmi_vic(vic)) {
4240                         type = "HDMI";
4241                         cea_mode = &edid_4k_modes[vic];
4242                         clock1 = cea_mode->clock;
4243                         clock2 = hdmi_mode_alternate_clock(cea_mode);
4244                 } else {
4245                         return;
4246                 }
4247         }
4248
4249         /* pick whichever is closest */
4250         if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
4251                 clock = clock1;
4252         else
4253                 clock = clock2;
4254
4255         if (mode->clock == clock)
4256                 return;
4257
4258         DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
4259                   type, vic, mode->clock, clock);
4260         mode->clock = clock;
4261 }
4262
4263 static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db)
4264 {
4265         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4266                 return false;
4267
4268         if (db[1] != HDR_STATIC_METADATA_BLOCK)
4269                 return false;
4270
4271         if (cea_db_payload_len(db) < 3)
4272                 return false;
4273
4274         return true;
4275 }
4276
4277 static uint8_t eotf_supported(const u8 *edid_ext)
4278 {
4279         return edid_ext[2] &
4280                 (BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
4281                  BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
4282                  BIT(HDMI_EOTF_SMPTE_ST2084) |
4283                  BIT(HDMI_EOTF_BT_2100_HLG));
4284 }
4285
4286 static uint8_t hdr_metadata_type(const u8 *edid_ext)
4287 {
4288         return edid_ext[3] &
4289                 BIT(HDMI_STATIC_METADATA_TYPE1);
4290 }
4291
4292 static void
4293 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
4294 {
4295         u16 len;
4296
4297         len = cea_db_payload_len(db);
4298
4299         connector->hdr_sink_metadata.hdmi_type1.eotf =
4300                                                 eotf_supported(db);
4301         connector->hdr_sink_metadata.hdmi_type1.metadata_type =
4302                                                 hdr_metadata_type(db);
4303
4304         if (len >= 4)
4305                 connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
4306         if (len >= 5)
4307                 connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
4308         if (len >= 6)
4309                 connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
4310 }
4311
4312 static void
4313 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
4314 {
4315         u8 len = cea_db_payload_len(db);
4316
4317         if (len >= 6 && (db[6] & (1 << 7)))
4318                 connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
4319         if (len >= 8) {
4320                 connector->latency_present[0] = db[8] >> 7;
4321                 connector->latency_present[1] = (db[8] >> 6) & 1;
4322         }
4323         if (len >= 9)
4324                 connector->video_latency[0] = db[9];
4325         if (len >= 10)
4326                 connector->audio_latency[0] = db[10];
4327         if (len >= 11)
4328                 connector->video_latency[1] = db[11];
4329         if (len >= 12)
4330                 connector->audio_latency[1] = db[12];
4331
4332         DRM_DEBUG_KMS("HDMI: latency present %d %d, "
4333                       "video latency %d %d, "
4334                       "audio latency %d %d\n",
4335                       connector->latency_present[0],
4336                       connector->latency_present[1],
4337                       connector->video_latency[0],
4338                       connector->video_latency[1],
4339                       connector->audio_latency[0],
4340                       connector->audio_latency[1]);
4341 }
4342
4343 static void
4344 monitor_name(struct detailed_timing *t, void *data)
4345 {
4346         if (!is_display_descriptor((const u8 *)t, EDID_DETAIL_MONITOR_NAME))
4347                 return;
4348
4349         *(u8 **)data = t->data.other_data.data.str.str;
4350 }
4351
4352 static int get_monitor_name(struct edid *edid, char name[13])
4353 {
4354         char *edid_name = NULL;
4355         int mnl;
4356
4357         if (!edid || !name)
4358                 return 0;
4359
4360         drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
4361         for (mnl = 0; edid_name && mnl < 13; mnl++) {
4362                 if (edid_name[mnl] == 0x0a)
4363                         break;
4364
4365                 name[mnl] = edid_name[mnl];
4366         }
4367
4368         return mnl;
4369 }
4370
4371 /**
4372  * drm_edid_get_monitor_name - fetch the monitor name from the edid
4373  * @edid: monitor EDID information
4374  * @name: pointer to a character array to hold the name of the monitor
4375  * @bufsize: The size of the name buffer (should be at least 14 chars.)
4376  *
4377  */
4378 void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
4379 {
4380         int name_length;
4381         char buf[13];
4382
4383         if (bufsize <= 0)
4384                 return;
4385
4386         name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4387         memcpy(name, buf, name_length);
4388         name[name_length] = '\0';
4389 }
4390 EXPORT_SYMBOL(drm_edid_get_monitor_name);
4391
4392 static void clear_eld(struct drm_connector *connector)
4393 {
4394         memset(connector->eld, 0, sizeof(connector->eld));
4395
4396         connector->latency_present[0] = false;
4397         connector->latency_present[1] = false;
4398         connector->video_latency[0] = 0;
4399         connector->audio_latency[0] = 0;
4400         connector->video_latency[1] = 0;
4401         connector->audio_latency[1] = 0;
4402 }
4403
4404 /*
4405  * drm_edid_to_eld - build ELD from EDID
4406  * @connector: connector corresponding to the HDMI/DP sink
4407  * @edid: EDID to parse
4408  *
4409  * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4410  * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4411  */
4412 static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
4413 {
4414         uint8_t *eld = connector->eld;
4415         u8 *cea;
4416         u8 *db;
4417         int total_sad_count = 0;
4418         int mnl;
4419         int dbl;
4420
4421         clear_eld(connector);
4422
4423         if (!edid)
4424                 return;
4425
4426         cea = drm_find_cea_extension(edid);
4427         if (!cea) {
4428                 DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4429                 return;
4430         }
4431
4432         mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4433         DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4434
4435         eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4436         eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4437
4438         eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4439
4440         eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4441         eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4442         eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4443         eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4444
4445         if (cea_revision(cea) >= 3) {
4446                 int i, start, end;
4447                 int sad_count;
4448
4449                 if (cea_db_offsets(cea, &start, &end)) {
4450                         start = 0;
4451                         end = 0;
4452                 }
4453
4454                 for_each_cea_db(cea, i, start, end) {
4455                         db = &cea[i];
4456                         dbl = cea_db_payload_len(db);
4457
4458                         switch (cea_db_tag(db)) {
4459                         case AUDIO_BLOCK:
4460                                 /* Audio Data Block, contains SADs */
4461                                 sad_count = min(dbl / 3, 15 - total_sad_count);
4462                                 if (sad_count >= 1)
4463                                         memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4464                                                &db[1], sad_count * 3);
4465                                 total_sad_count += sad_count;
4466                                 break;
4467                         case SPEAKER_BLOCK:
4468                                 /* Speaker Allocation Data Block */
4469                                 if (dbl >= 1)
4470                                         eld[DRM_ELD_SPEAKER] = db[1];
4471                                 break;
4472                         case VENDOR_BLOCK:
4473                                 /* HDMI Vendor-Specific Data Block */
4474                                 if (cea_db_is_hdmi_vsdb(db))
4475                                         drm_parse_hdmi_vsdb_audio(connector, db);
4476                                 break;
4477                         default:
4478                                 break;
4479                         }
4480                 }
4481         }
4482         eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4483
4484         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4485             connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4486                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4487         else
4488                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4489
4490         eld[DRM_ELD_BASELINE_ELD_LEN] =
4491                 DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4492
4493         DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4494                       drm_eld_size(eld), total_sad_count);
4495 }
4496
4497 /**
4498  * drm_edid_to_sad - extracts SADs from EDID
4499  * @edid: EDID to parse
4500  * @sads: pointer that will be set to the extracted SADs
4501  *
4502  * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4503  *
4504  * Note: The returned pointer needs to be freed using kfree().
4505  *
4506  * Return: The number of found SADs or negative number on error.
4507  */
4508 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
4509 {
4510         int count = 0;
4511         int i, start, end, dbl;
4512         u8 *cea;
4513
4514         cea = drm_find_cea_extension(edid);
4515         if (!cea) {
4516                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4517                 return 0;
4518         }
4519
4520         if (cea_revision(cea) < 3) {
4521                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4522                 return 0;
4523         }
4524
4525         if (cea_db_offsets(cea, &start, &end)) {
4526                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4527                 return -EPROTO;
4528         }
4529
4530         for_each_cea_db(cea, i, start, end) {
4531                 u8 *db = &cea[i];
4532
4533                 if (cea_db_tag(db) == AUDIO_BLOCK) {
4534                         int j;
4535                         dbl = cea_db_payload_len(db);
4536
4537                         count = dbl / 3; /* SAD is 3B */
4538                         *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4539                         if (!*sads)
4540                                 return -ENOMEM;
4541                         for (j = 0; j < count; j++) {
4542                                 u8 *sad = &db[1 + j * 3];
4543
4544                                 (*sads)[j].format = (sad[0] & 0x78) >> 3;
4545                                 (*sads)[j].channels = sad[0] & 0x7;
4546                                 (*sads)[j].freq = sad[1] & 0x7F;
4547                                 (*sads)[j].byte2 = sad[2];
4548                         }
4549                         break;
4550                 }
4551         }
4552
4553         return count;
4554 }
4555 EXPORT_SYMBOL(drm_edid_to_sad);
4556
4557 /**
4558  * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4559  * @edid: EDID to parse
4560  * @sadb: pointer to the speaker block
4561  *
4562  * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4563  *
4564  * Note: The returned pointer needs to be freed using kfree().
4565  *
4566  * Return: The number of found Speaker Allocation Blocks or negative number on
4567  * error.
4568  */
4569 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
4570 {
4571         int count = 0;
4572         int i, start, end, dbl;
4573         const u8 *cea;
4574
4575         cea = drm_find_cea_extension(edid);
4576         if (!cea) {
4577                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4578                 return 0;
4579         }
4580
4581         if (cea_revision(cea) < 3) {
4582                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4583                 return 0;
4584         }
4585
4586         if (cea_db_offsets(cea, &start, &end)) {
4587                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4588                 return -EPROTO;
4589         }
4590
4591         for_each_cea_db(cea, i, start, end) {
4592                 const u8 *db = &cea[i];
4593
4594                 if (cea_db_tag(db) == SPEAKER_BLOCK) {
4595                         dbl = cea_db_payload_len(db);
4596
4597                         /* Speaker Allocation Data Block */
4598                         if (dbl == 3) {
4599                                 *sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4600                                 if (!*sadb)
4601                                         return -ENOMEM;
4602                                 count = dbl;
4603                                 break;
4604                         }
4605                 }
4606         }
4607
4608         return count;
4609 }
4610 EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4611
4612 /**
4613  * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4614  * @connector: connector associated with the HDMI/DP sink
4615  * @mode: the display mode
4616  *
4617  * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4618  * the sink doesn't support audio or video.
4619  */
4620 int drm_av_sync_delay(struct drm_connector *connector,
4621                       const struct drm_display_mode *mode)
4622 {
4623         int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4624         int a, v;
4625
4626         if (!connector->latency_present[0])
4627                 return 0;
4628         if (!connector->latency_present[1])
4629                 i = 0;
4630
4631         a = connector->audio_latency[i];
4632         v = connector->video_latency[i];
4633
4634         /*
4635          * HDMI/DP sink doesn't support audio or video?
4636          */
4637         if (a == 255 || v == 255)
4638                 return 0;
4639
4640         /*
4641          * Convert raw EDID values to millisecond.
4642          * Treat unknown latency as 0ms.
4643          */
4644         if (a)
4645                 a = min(2 * (a - 1), 500);
4646         if (v)
4647                 v = min(2 * (v - 1), 500);
4648
4649         return max(v - a, 0);
4650 }
4651 EXPORT_SYMBOL(drm_av_sync_delay);
4652
4653 /**
4654  * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4655  * @edid: monitor EDID information
4656  *
4657  * Parse the CEA extension according to CEA-861-B.
4658  *
4659  * Drivers that have added the modes parsed from EDID to drm_display_info
4660  * should use &drm_display_info.is_hdmi instead of calling this function.
4661  *
4662  * Return: True if the monitor is HDMI, false if not or unknown.
4663  */
4664 bool drm_detect_hdmi_monitor(struct edid *edid)
4665 {
4666         u8 *edid_ext;
4667         int i;
4668         int start_offset, end_offset;
4669
4670         edid_ext = drm_find_cea_extension(edid);
4671         if (!edid_ext)
4672                 return false;
4673
4674         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4675                 return false;
4676
4677         /*
4678          * Because HDMI identifier is in Vendor Specific Block,
4679          * search it from all data blocks of CEA extension.
4680          */
4681         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4682                 if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4683                         return true;
4684         }
4685
4686         return false;
4687 }
4688 EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4689
4690 /**
4691  * drm_detect_monitor_audio - check monitor audio capability
4692  * @edid: EDID block to scan
4693  *
4694  * Monitor should have CEA extension block.
4695  * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
4696  * audio' only. If there is any audio extension block and supported
4697  * audio format, assume at least 'basic audio' support, even if 'basic
4698  * audio' is not defined in EDID.
4699  *
4700  * Return: True if the monitor supports audio, false otherwise.
4701  */
4702 bool drm_detect_monitor_audio(struct edid *edid)
4703 {
4704         u8 *edid_ext;
4705         int i, j;
4706         bool has_audio = false;
4707         int start_offset, end_offset;
4708
4709         edid_ext = drm_find_cea_extension(edid);
4710         if (!edid_ext)
4711                 goto end;
4712
4713         has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0);
4714
4715         if (has_audio) {
4716                 DRM_DEBUG_KMS("Monitor has basic audio support\n");
4717                 goto end;
4718         }
4719
4720         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4721                 goto end;
4722
4723         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4724                 if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4725                         has_audio = true;
4726                         for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4727                                 DRM_DEBUG_KMS("CEA audio format %d\n",
4728                                               (edid_ext[i + j] >> 3) & 0xf);
4729                         goto end;
4730                 }
4731         }
4732 end:
4733         return has_audio;
4734 }
4735 EXPORT_SYMBOL(drm_detect_monitor_audio);
4736
4737
4738 /**
4739  * drm_default_rgb_quant_range - default RGB quantization range
4740  * @mode: display mode
4741  *
4742  * Determine the default RGB quantization range for the mode,
4743  * as specified in CEA-861.
4744  *
4745  * Return: The default RGB quantization range for the mode
4746  */
4747 enum hdmi_quantization_range
4748 drm_default_rgb_quant_range(const struct drm_display_mode *mode)
4749 {
4750         /* All CEA modes other than VIC 1 use limited quantization range. */
4751         return drm_match_cea_mode(mode) > 1 ?
4752                 HDMI_QUANTIZATION_RANGE_LIMITED :
4753                 HDMI_QUANTIZATION_RANGE_FULL;
4754 }
4755 EXPORT_SYMBOL(drm_default_rgb_quant_range);
4756
4757 static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
4758 {
4759         struct drm_display_info *info = &connector->display_info;
4760
4761         DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]);
4762
4763         if (db[2] & EDID_CEA_VCDB_QS)
4764                 info->rgb_quant_range_selectable = true;
4765 }
4766
4767 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4768                                                const u8 *db)
4769 {
4770         u8 dc_mask;
4771         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4772
4773         dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4774         hdmi->y420_dc_modes = dc_mask;
4775 }
4776
4777 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4778                                  const u8 *hf_vsdb)
4779 {
4780         struct drm_display_info *display = &connector->display_info;
4781         struct drm_hdmi_info *hdmi = &display->hdmi;
4782
4783         display->has_hdmi_infoframe = true;
4784
4785         if (hf_vsdb[6] & 0x80) {
4786                 hdmi->scdc.supported = true;
4787                 if (hf_vsdb[6] & 0x40)
4788                         hdmi->scdc.read_request = true;
4789         }
4790
4791         /*
4792          * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4793          * And as per the spec, three factors confirm this:
4794          * * Availability of a HF-VSDB block in EDID (check)
4795          * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4796          * * SCDC support available (let's check)
4797          * Lets check it out.
4798          */
4799
4800         if (hf_vsdb[5]) {
4801                 /* max clock is 5000 KHz times block value */
4802                 u32 max_tmds_clock = hf_vsdb[5] * 5000;
4803                 struct drm_scdc *scdc = &hdmi->scdc;
4804
4805                 if (max_tmds_clock > 340000) {
4806                         display->max_tmds_clock = max_tmds_clock;
4807                         DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4808                                 display->max_tmds_clock);
4809                 }
4810
4811                 if (scdc->supported) {
4812                         scdc->scrambling.supported = true;
4813
4814                         /* Few sinks support scrambling for clocks < 340M */
4815                         if ((hf_vsdb[6] & 0x8))
4816                                 scdc->scrambling.low_rates = true;
4817                 }
4818         }
4819
4820         drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
4821 }
4822
4823 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
4824                                            const u8 *hdmi)
4825 {
4826         struct drm_display_info *info = &connector->display_info;
4827         unsigned int dc_bpc = 0;
4828
4829         /* HDMI supports at least 8 bpc */
4830         info->bpc = 8;
4831
4832         if (cea_db_payload_len(hdmi) < 6)
4833                 return;
4834
4835         if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
4836                 dc_bpc = 10;
4837                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
4838                 DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
4839                           connector->name);
4840         }
4841
4842         if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
4843                 dc_bpc = 12;
4844                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
4845                 DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
4846                           connector->name);
4847         }
4848
4849         if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
4850                 dc_bpc = 16;
4851                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
4852                 DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
4853                           connector->name);
4854         }
4855
4856         if (dc_bpc == 0) {
4857                 DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
4858                           connector->name);
4859                 return;
4860         }
4861
4862         DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
4863                   connector->name, dc_bpc);
4864         info->bpc = dc_bpc;
4865
4866         /*
4867          * Deep color support mandates RGB444 support for all video
4868          * modes and forbids YCRCB422 support for all video modes per
4869          * HDMI 1.3 spec.
4870          */
4871         info->color_formats = DRM_COLOR_FORMAT_RGB444;
4872
4873         /* YCRCB444 is optional according to spec. */
4874         if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
4875                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4876                 DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
4877                           connector->name);
4878         }
4879
4880         /*
4881          * Spec says that if any deep color mode is supported at all,
4882          * then deep color 36 bit must be supported.
4883          */
4884         if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
4885                 DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
4886                           connector->name);
4887         }
4888 }
4889
4890 static void
4891 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
4892 {
4893         struct drm_display_info *info = &connector->display_info;
4894         u8 len = cea_db_payload_len(db);
4895
4896         info->is_hdmi = true;
4897
4898         if (len >= 6)
4899                 info->dvi_dual = db[6] & 1;
4900         if (len >= 7)
4901                 info->max_tmds_clock = db[7] * 5000;
4902
4903         DRM_DEBUG_KMS("HDMI: DVI dual %d, "
4904                       "max TMDS clock %d kHz\n",
4905                       info->dvi_dual,
4906                       info->max_tmds_clock);
4907
4908         drm_parse_hdmi_deep_color_info(connector, db);
4909 }
4910
4911 static void drm_parse_cea_ext(struct drm_connector *connector,
4912                               const struct edid *edid)
4913 {
4914         struct drm_display_info *info = &connector->display_info;
4915         const u8 *edid_ext;
4916         int i, start, end;
4917
4918         edid_ext = drm_find_cea_extension(edid);
4919         if (!edid_ext)
4920                 return;
4921
4922         info->cea_rev = edid_ext[1];
4923
4924         /* The existence of a CEA block should imply RGB support */
4925         info->color_formats = DRM_COLOR_FORMAT_RGB444;
4926         if (edid_ext[3] & EDID_CEA_YCRCB444)
4927                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4928         if (edid_ext[3] & EDID_CEA_YCRCB422)
4929                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
4930
4931         if (cea_db_offsets(edid_ext, &start, &end))
4932                 return;
4933
4934         for_each_cea_db(edid_ext, i, start, end) {
4935                 const u8 *db = &edid_ext[i];
4936
4937                 if (cea_db_is_hdmi_vsdb(db))
4938                         drm_parse_hdmi_vsdb_video(connector, db);
4939                 if (cea_db_is_hdmi_forum_vsdb(db))
4940                         drm_parse_hdmi_forum_vsdb(connector, db);
4941                 if (cea_db_is_y420cmdb(db))
4942                         drm_parse_y420cmdb_bitmap(connector, db);
4943                 if (cea_db_is_vcdb(db))
4944                         drm_parse_vcdb(connector, db);
4945                 if (cea_db_is_hdmi_hdr_metadata_block(db))
4946                         drm_parse_hdr_metadata_block(connector, db);
4947         }
4948 }
4949
4950 static
4951 void get_monitor_range(struct detailed_timing *timing,
4952                        void *info_monitor_range)
4953 {
4954         struct drm_monitor_range_info *monitor_range = info_monitor_range;
4955         const struct detailed_non_pixel *data = &timing->data.other_data;
4956         const struct detailed_data_monitor_range *range = &data->data.range;
4957
4958         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
4959                 return;
4960
4961         /*
4962          * Check for flag range limits only. If flag == 1 then
4963          * no additional timing information provided.
4964          * Default GTF, GTF Secondary curve and CVT are not
4965          * supported
4966          */
4967         if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
4968                 return;
4969
4970         monitor_range->min_vfreq = range->min_vfreq;
4971         monitor_range->max_vfreq = range->max_vfreq;
4972 }
4973
4974 static
4975 void drm_get_monitor_range(struct drm_connector *connector,
4976                            const struct edid *edid)
4977 {
4978         struct drm_display_info *info = &connector->display_info;
4979
4980         if (!version_greater(edid, 1, 1))
4981                 return;
4982
4983         drm_for_each_detailed_block((u8 *)edid, get_monitor_range,
4984                                     &info->monitor_range);
4985
4986         DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
4987                       info->monitor_range.min_vfreq,
4988                       info->monitor_range.max_vfreq);
4989 }
4990
4991 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
4992  * all of the values which would have been set from EDID
4993  */
4994 void
4995 drm_reset_display_info(struct drm_connector *connector)
4996 {
4997         struct drm_display_info *info = &connector->display_info;
4998
4999         info->width_mm = 0;
5000         info->height_mm = 0;
5001
5002         info->bpc = 0;
5003         info->color_formats = 0;
5004         info->cea_rev = 0;
5005         info->max_tmds_clock = 0;
5006         info->dvi_dual = false;
5007         info->is_hdmi = false;
5008         info->has_hdmi_infoframe = false;
5009         info->rgb_quant_range_selectable = false;
5010         memset(&info->hdmi, 0, sizeof(info->hdmi));
5011
5012         info->non_desktop = 0;
5013         memset(&info->monitor_range, 0, sizeof(info->monitor_range));
5014 }
5015
5016 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
5017 {
5018         struct drm_display_info *info = &connector->display_info;
5019
5020         u32 quirks = edid_get_quirks(edid);
5021
5022         drm_reset_display_info(connector);
5023
5024         info->width_mm = edid->width_cm * 10;
5025         info->height_mm = edid->height_cm * 10;
5026
5027         info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
5028
5029         drm_get_monitor_range(connector, edid);
5030
5031         DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
5032
5033         if (edid->revision < 3)
5034                 return quirks;
5035
5036         if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
5037                 return quirks;
5038
5039         drm_parse_cea_ext(connector, edid);
5040
5041         /*
5042          * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
5043          *
5044          * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
5045          * tells us to assume 8 bpc color depth if the EDID doesn't have
5046          * extensions which tell otherwise.
5047          */
5048         if (info->bpc == 0 && edid->revision == 3 &&
5049             edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
5050                 info->bpc = 8;
5051                 DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
5052                           connector->name, info->bpc);
5053         }
5054
5055         /* Only defined for 1.4 with digital displays */
5056         if (edid->revision < 4)
5057                 return quirks;
5058
5059         switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
5060         case DRM_EDID_DIGITAL_DEPTH_6:
5061                 info->bpc = 6;
5062                 break;
5063         case DRM_EDID_DIGITAL_DEPTH_8:
5064                 info->bpc = 8;
5065                 break;
5066         case DRM_EDID_DIGITAL_DEPTH_10:
5067                 info->bpc = 10;
5068                 break;
5069         case DRM_EDID_DIGITAL_DEPTH_12:
5070                 info->bpc = 12;
5071                 break;
5072         case DRM_EDID_DIGITAL_DEPTH_14:
5073                 info->bpc = 14;
5074                 break;
5075         case DRM_EDID_DIGITAL_DEPTH_16:
5076                 info->bpc = 16;
5077                 break;
5078         case DRM_EDID_DIGITAL_DEPTH_UNDEF:
5079         default:
5080                 info->bpc = 0;
5081                 break;
5082         }
5083
5084         DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
5085                           connector->name, info->bpc);
5086
5087         info->color_formats |= DRM_COLOR_FORMAT_RGB444;
5088         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
5089                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5090         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
5091                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5092         return quirks;
5093 }
5094
5095 static int validate_displayid(u8 *displayid, int length, int idx)
5096 {
5097         int i, dispid_length;
5098         u8 csum = 0;
5099         struct displayid_hdr *base;
5100
5101         base = (struct displayid_hdr *)&displayid[idx];
5102
5103         DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n",
5104                       base->rev, base->bytes, base->prod_id, base->ext_count);
5105
5106         /* +1 for DispID checksum */
5107         dispid_length = sizeof(*base) + base->bytes + 1;
5108         if (dispid_length > length - idx)
5109                 return -EINVAL;
5110
5111         for (i = 0; i < dispid_length; i++)
5112                 csum += displayid[idx + i];
5113         if (csum) {
5114                 DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum);
5115                 return -EINVAL;
5116         }
5117
5118         return 0;
5119 }
5120
5121 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5122                                                             struct displayid_detailed_timings_1 *timings)
5123 {
5124         struct drm_display_mode *mode;
5125         unsigned pixel_clock = (timings->pixel_clock[0] |
5126                                 (timings->pixel_clock[1] << 8) |
5127                                 (timings->pixel_clock[2] << 16)) + 1;
5128         unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5129         unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5130         unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5131         unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5132         unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5133         unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5134         unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5135         unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5136         bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5137         bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5138         mode = drm_mode_create(dev);
5139         if (!mode)
5140                 return NULL;
5141
5142         mode->clock = pixel_clock * 10;
5143         mode->hdisplay = hactive;
5144         mode->hsync_start = mode->hdisplay + hsync;
5145         mode->hsync_end = mode->hsync_start + hsync_width;
5146         mode->htotal = mode->hdisplay + hblank;
5147
5148         mode->vdisplay = vactive;
5149         mode->vsync_start = mode->vdisplay + vsync;
5150         mode->vsync_end = mode->vsync_start + vsync_width;
5151         mode->vtotal = mode->vdisplay + vblank;
5152
5153         mode->flags = 0;
5154         mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5155         mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5156         mode->type = DRM_MODE_TYPE_DRIVER;
5157
5158         if (timings->flags & 0x80)
5159                 mode->type |= DRM_MODE_TYPE_PREFERRED;
5160         drm_mode_set_name(mode);
5161
5162         return mode;
5163 }
5164
5165 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5166                                           struct displayid_block *block)
5167 {
5168         struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5169         int i;
5170         int num_timings;
5171         struct drm_display_mode *newmode;
5172         int num_modes = 0;
5173         /* blocks must be multiple of 20 bytes length */
5174         if (block->num_bytes % 20)
5175                 return 0;
5176
5177         num_timings = block->num_bytes / 20;
5178         for (i = 0; i < num_timings; i++) {
5179                 struct displayid_detailed_timings_1 *timings = &det->timings[i];
5180
5181                 newmode = drm_mode_displayid_detailed(connector->dev, timings);
5182                 if (!newmode)
5183                         continue;
5184
5185                 drm_mode_probed_add(connector, newmode);
5186                 num_modes++;
5187         }
5188         return num_modes;
5189 }
5190
5191 static int add_displayid_detailed_modes(struct drm_connector *connector,
5192                                         struct edid *edid)
5193 {
5194         u8 *displayid;
5195         int length, idx;
5196         struct displayid_block *block;
5197         int num_modes = 0;
5198
5199         displayid = drm_find_displayid_extension(edid, &length, &idx);
5200         if (!displayid)
5201                 return 0;
5202
5203         idx += sizeof(struct displayid_hdr);
5204         for_each_displayid_db(displayid, block, idx, length) {
5205                 switch (block->tag) {
5206                 case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5207                         num_modes += add_displayid_detailed_1_modes(connector, block);
5208                         break;
5209                 }
5210         }
5211         return num_modes;
5212 }
5213
5214 /**
5215  * drm_add_edid_modes - add modes from EDID data, if available
5216  * @connector: connector we're probing
5217  * @edid: EDID data
5218  *
5219  * Add the specified modes to the connector's mode list. Also fills out the
5220  * &drm_display_info structure and ELD in @connector with any information which
5221  * can be derived from the edid.
5222  *
5223  * Return: The number of modes added or 0 if we couldn't find any.
5224  */
5225 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5226 {
5227         int num_modes = 0;
5228         u32 quirks;
5229
5230         if (edid == NULL) {
5231                 clear_eld(connector);
5232                 return 0;
5233         }
5234         if (!drm_edid_is_valid(edid)) {
5235                 clear_eld(connector);
5236                 dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
5237                          connector->name);
5238                 return 0;
5239         }
5240
5241         drm_edid_to_eld(connector, edid);
5242
5243         /*
5244          * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5245          * To avoid multiple parsing of same block, lets parse that map
5246          * from sink info, before parsing CEA modes.
5247          */
5248         quirks = drm_add_display_info(connector, edid);
5249
5250         /*
5251          * EDID spec says modes should be preferred in this order:
5252          * - preferred detailed mode
5253          * - other detailed modes from base block
5254          * - detailed modes from extension blocks
5255          * - CVT 3-byte code modes
5256          * - standard timing codes
5257          * - established timing codes
5258          * - modes inferred from GTF or CVT range information
5259          *
5260          * We get this pretty much right.
5261          *
5262          * XXX order for additional mode types in extension blocks?
5263          */
5264         num_modes += add_detailed_modes(connector, edid, quirks);
5265         num_modes += add_cvt_modes(connector, edid);
5266         num_modes += add_standard_modes(connector, edid);
5267         num_modes += add_established_modes(connector, edid);
5268         num_modes += add_cea_modes(connector, edid);
5269         num_modes += add_alternate_cea_modes(connector, edid);
5270         num_modes += add_displayid_detailed_modes(connector, edid);
5271         if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5272                 num_modes += add_inferred_modes(connector, edid);
5273
5274         if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5275                 edid_fixup_preferred(connector, quirks);
5276
5277         if (quirks & EDID_QUIRK_FORCE_6BPC)
5278                 connector->display_info.bpc = 6;
5279
5280         if (quirks & EDID_QUIRK_FORCE_8BPC)
5281                 connector->display_info.bpc = 8;
5282
5283         if (quirks & EDID_QUIRK_FORCE_10BPC)
5284                 connector->display_info.bpc = 10;
5285
5286         if (quirks & EDID_QUIRK_FORCE_12BPC)
5287                 connector->display_info.bpc = 12;
5288
5289         return num_modes;
5290 }
5291 EXPORT_SYMBOL(drm_add_edid_modes);
5292
5293 /**
5294  * drm_add_modes_noedid - add modes for the connectors without EDID
5295  * @connector: connector we're probing
5296  * @hdisplay: the horizontal display limit
5297  * @vdisplay: the vertical display limit
5298  *
5299  * Add the specified modes to the connector's mode list. Only when the
5300  * hdisplay/vdisplay is not beyond the given limit, it will be added.
5301  *
5302  * Return: The number of modes added or 0 if we couldn't find any.
5303  */
5304 int drm_add_modes_noedid(struct drm_connector *connector,
5305                         int hdisplay, int vdisplay)
5306 {
5307         int i, count, num_modes = 0;
5308         struct drm_display_mode *mode;
5309         struct drm_device *dev = connector->dev;
5310
5311         count = ARRAY_SIZE(drm_dmt_modes);
5312         if (hdisplay < 0)
5313                 hdisplay = 0;
5314         if (vdisplay < 0)
5315                 vdisplay = 0;
5316
5317         for (i = 0; i < count; i++) {
5318                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5319                 if (hdisplay && vdisplay) {
5320                         /*
5321                          * Only when two are valid, they will be used to check
5322                          * whether the mode should be added to the mode list of
5323                          * the connector.
5324                          */
5325                         if (ptr->hdisplay > hdisplay ||
5326                                         ptr->vdisplay > vdisplay)
5327                                 continue;
5328                 }
5329                 if (drm_mode_vrefresh(ptr) > 61)
5330                         continue;
5331                 mode = drm_mode_duplicate(dev, ptr);
5332                 if (mode) {
5333                         drm_mode_probed_add(connector, mode);
5334                         num_modes++;
5335                 }
5336         }
5337         return num_modes;
5338 }
5339 EXPORT_SYMBOL(drm_add_modes_noedid);
5340
5341 /**
5342  * drm_set_preferred_mode - Sets the preferred mode of a connector
5343  * @connector: connector whose mode list should be processed
5344  * @hpref: horizontal resolution of preferred mode
5345  * @vpref: vertical resolution of preferred mode
5346  *
5347  * Marks a mode as preferred if it matches the resolution specified by @hpref
5348  * and @vpref.
5349  */
5350 void drm_set_preferred_mode(struct drm_connector *connector,
5351                            int hpref, int vpref)
5352 {
5353         struct drm_display_mode *mode;
5354
5355         list_for_each_entry(mode, &connector->probed_modes, head) {
5356                 if (mode->hdisplay == hpref &&
5357                     mode->vdisplay == vpref)
5358                         mode->type |= DRM_MODE_TYPE_PREFERRED;
5359         }
5360 }
5361 EXPORT_SYMBOL(drm_set_preferred_mode);
5362
5363 static bool is_hdmi2_sink(const struct drm_connector *connector)
5364 {
5365         /*
5366          * FIXME: sil-sii8620 doesn't have a connector around when
5367          * we need one, so we have to be prepared for a NULL connector.
5368          */
5369         if (!connector)
5370                 return true;
5371
5372         return connector->display_info.hdmi.scdc.supported ||
5373                 connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420;
5374 }
5375
5376 static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
5377 {
5378         return sink_eotf & BIT(output_eotf);
5379 }
5380
5381 /**
5382  * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
5383  *                                         HDR metadata from userspace
5384  * @frame: HDMI DRM infoframe
5385  * @conn_state: Connector state containing HDR metadata
5386  *
5387  * Return: 0 on success or a negative error code on failure.
5388  */
5389 int
5390 drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
5391                                     const struct drm_connector_state *conn_state)
5392 {
5393         struct drm_connector *connector;
5394         struct hdr_output_metadata *hdr_metadata;
5395         int err;
5396
5397         if (!frame || !conn_state)
5398                 return -EINVAL;
5399
5400         connector = conn_state->connector;
5401
5402         if (!conn_state->hdr_output_metadata)
5403                 return -EINVAL;
5404
5405         hdr_metadata = conn_state->hdr_output_metadata->data;
5406
5407         if (!hdr_metadata || !connector)
5408                 return -EINVAL;
5409
5410         /* Sink EOTF is Bit map while infoframe is absolute values */
5411         if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
5412             connector->hdr_sink_metadata.hdmi_type1.eotf)) {
5413                 DRM_DEBUG_KMS("EOTF Not Supported\n");
5414                 return -EINVAL;
5415         }
5416
5417         err = hdmi_drm_infoframe_init(frame);
5418         if (err < 0)
5419                 return err;
5420
5421         frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
5422         frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
5423
5424         BUILD_BUG_ON(sizeof(frame->display_primaries) !=
5425                      sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
5426         BUILD_BUG_ON(sizeof(frame->white_point) !=
5427                      sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
5428
5429         memcpy(&frame->display_primaries,
5430                &hdr_metadata->hdmi_metadata_type1.display_primaries,
5431                sizeof(frame->display_primaries));
5432
5433         memcpy(&frame->white_point,
5434                &hdr_metadata->hdmi_metadata_type1.white_point,
5435                sizeof(frame->white_point));
5436
5437         frame->max_display_mastering_luminance =
5438                 hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
5439         frame->min_display_mastering_luminance =
5440                 hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
5441         frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
5442         frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
5443
5444         return 0;
5445 }
5446 EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
5447
5448 static u8 drm_mode_hdmi_vic(const struct drm_connector *connector,
5449                             const struct drm_display_mode *mode)
5450 {
5451         bool has_hdmi_infoframe = connector ?
5452                 connector->display_info.has_hdmi_infoframe : false;
5453
5454         if (!has_hdmi_infoframe)
5455                 return 0;
5456
5457         /* No HDMI VIC when signalling 3D video format */
5458         if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5459                 return 0;
5460
5461         return drm_match_hdmi_mode(mode);
5462 }
5463
5464 static u8 drm_mode_cea_vic(const struct drm_connector *connector,
5465                            const struct drm_display_mode *mode)
5466 {
5467         u8 vic;
5468
5469         /*
5470          * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5471          * we should send its VIC in vendor infoframes, else send the
5472          * VIC in AVI infoframes. Lets check if this mode is present in
5473          * HDMI 1.4b 4K modes
5474          */
5475         if (drm_mode_hdmi_vic(connector, mode))
5476                 return 0;
5477
5478         vic = drm_match_cea_mode(mode);
5479
5480         /*
5481          * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5482          * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5483          * have to make sure we dont break HDMI 1.4 sinks.
5484          */
5485         if (!is_hdmi2_sink(connector) && vic > 64)
5486                 return 0;
5487
5488         return vic;
5489 }
5490
5491 /**
5492  * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5493  *                                              data from a DRM display mode
5494  * @frame: HDMI AVI infoframe
5495  * @connector: the connector
5496  * @mode: DRM display mode
5497  *
5498  * Return: 0 on success or a negative error code on failure.
5499  */
5500 int
5501 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5502                                          const struct drm_connector *connector,
5503                                          const struct drm_display_mode *mode)
5504 {
5505         enum hdmi_picture_aspect picture_aspect;
5506         u8 vic, hdmi_vic;
5507
5508         if (!frame || !mode)
5509                 return -EINVAL;
5510
5511         hdmi_avi_infoframe_init(frame);
5512
5513         if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5514                 frame->pixel_repeat = 1;
5515
5516         vic = drm_mode_cea_vic(connector, mode);
5517         hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5518
5519         frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5520
5521         /*
5522          * As some drivers don't support atomic, we can't use connector state.
5523          * So just initialize the frame with default values, just the same way
5524          * as it's done with other properties here.
5525          */
5526         frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5527         frame->itc = 0;
5528
5529         /*
5530          * Populate picture aspect ratio from either
5531          * user input (if specified) or from the CEA/HDMI mode lists.
5532          */
5533         picture_aspect = mode->picture_aspect_ratio;
5534         if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5535                 if (vic)
5536                         picture_aspect = drm_get_cea_aspect_ratio(vic);
5537                 else if (hdmi_vic)
5538                         picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5539         }
5540
5541         /*
5542          * The infoframe can't convey anything but none, 4:3
5543          * and 16:9, so if the user has asked for anything else
5544          * we can only satisfy it by specifying the right VIC.
5545          */
5546         if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5547                 if (vic) {
5548                         if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5549                                 return -EINVAL;
5550                 } else if (hdmi_vic) {
5551                         if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5552                                 return -EINVAL;
5553                 } else {
5554                         return -EINVAL;
5555                 }
5556
5557                 picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5558         }
5559
5560         frame->video_code = vic;
5561         frame->picture_aspect = picture_aspect;
5562         frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5563         frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5564
5565         return 0;
5566 }
5567 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5568
5569 /* HDMI Colorspace Spec Definitions */
5570 #define FULL_COLORIMETRY_MASK           0x1FF
5571 #define NORMAL_COLORIMETRY_MASK         0x3
5572 #define EXTENDED_COLORIMETRY_MASK       0x7
5573 #define EXTENDED_ACE_COLORIMETRY_MASK   0xF
5574
5575 #define C(x) ((x) << 0)
5576 #define EC(x) ((x) << 2)
5577 #define ACE(x) ((x) << 5)
5578
5579 #define HDMI_COLORIMETRY_NO_DATA                0x0
5580 #define HDMI_COLORIMETRY_SMPTE_170M_YCC         (C(1) | EC(0) | ACE(0))
5581 #define HDMI_COLORIMETRY_BT709_YCC              (C(2) | EC(0) | ACE(0))
5582 #define HDMI_COLORIMETRY_XVYCC_601              (C(3) | EC(0) | ACE(0))
5583 #define HDMI_COLORIMETRY_XVYCC_709              (C(3) | EC(1) | ACE(0))
5584 #define HDMI_COLORIMETRY_SYCC_601               (C(3) | EC(2) | ACE(0))
5585 #define HDMI_COLORIMETRY_OPYCC_601              (C(3) | EC(3) | ACE(0))
5586 #define HDMI_COLORIMETRY_OPRGB                  (C(3) | EC(4) | ACE(0))
5587 #define HDMI_COLORIMETRY_BT2020_CYCC            (C(3) | EC(5) | ACE(0))
5588 #define HDMI_COLORIMETRY_BT2020_RGB             (C(3) | EC(6) | ACE(0))
5589 #define HDMI_COLORIMETRY_BT2020_YCC             (C(3) | EC(6) | ACE(0))
5590 #define HDMI_COLORIMETRY_DCI_P3_RGB_D65         (C(3) | EC(7) | ACE(0))
5591 #define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER     (C(3) | EC(7) | ACE(1))
5592
5593 static const u32 hdmi_colorimetry_val[] = {
5594         [DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
5595         [DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
5596         [DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
5597         [DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
5598         [DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
5599         [DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
5600         [DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
5601         [DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
5602         [DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
5603         [DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
5604         [DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
5605 };
5606
5607 #undef C
5608 #undef EC
5609 #undef ACE
5610
5611 /**
5612  * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe
5613  *                                       colorspace information
5614  * @frame: HDMI AVI infoframe
5615  * @conn_state: connector state
5616  */
5617 void
5618 drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
5619                                   const struct drm_connector_state *conn_state)
5620 {
5621         u32 colorimetry_val;
5622         u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
5623
5624         if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
5625                 colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
5626         else
5627                 colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
5628
5629         frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
5630         /*
5631          * ToDo: Extend it for ACE formats as well. Modify the infoframe
5632          * structure and extend it in drivers/video/hdmi
5633          */
5634         frame->extended_colorimetry = (colorimetry_val >> 2) &
5635                                         EXTENDED_COLORIMETRY_MASK;
5636 }
5637 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
5638
5639 /**
5640  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5641  *                                        quantization range information
5642  * @frame: HDMI AVI infoframe
5643  * @connector: the connector
5644  * @mode: DRM display mode
5645  * @rgb_quant_range: RGB quantization range (Q)
5646  */
5647 void
5648 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5649                                    const struct drm_connector *connector,
5650                                    const struct drm_display_mode *mode,
5651                                    enum hdmi_quantization_range rgb_quant_range)
5652 {
5653         const struct drm_display_info *info = &connector->display_info;
5654
5655         /*
5656          * CEA-861:
5657          * "A Source shall not send a non-zero Q value that does not correspond
5658          *  to the default RGB Quantization Range for the transmitted Picture
5659          *  unless the Sink indicates support for the Q bit in a Video
5660          *  Capabilities Data Block."
5661          *
5662          * HDMI 2.0 recommends sending non-zero Q when it does match the
5663          * default RGB quantization range for the mode, even when QS=0.
5664          */
5665         if (info->rgb_quant_range_selectable ||
5666             rgb_quant_range == drm_default_rgb_quant_range(mode))
5667                 frame->quantization_range = rgb_quant_range;
5668         else
5669                 frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5670
5671         /*
5672          * CEA-861-F:
5673          * "When transmitting any RGB colorimetry, the Source should set the
5674          *  YQ-field to match the RGB Quantization Range being transmitted
5675          *  (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5676          *  set YQ=1) and the Sink shall ignore the YQ-field."
5677          *
5678          * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5679          * by non-zero YQ when receiving RGB. There doesn't seem to be any
5680          * good way to tell which version of CEA-861 the sink supports, so
5681          * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5682          * on on CEA-861-F.
5683          */
5684         if (!is_hdmi2_sink(connector) ||
5685             rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5686                 frame->ycc_quantization_range =
5687                         HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5688         else
5689                 frame->ycc_quantization_range =
5690                         HDMI_YCC_QUANTIZATION_RANGE_FULL;
5691 }
5692 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5693
5694 /**
5695  * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
5696  *                                 bar information
5697  * @frame: HDMI AVI infoframe
5698  * @conn_state: connector state
5699  */
5700 void
5701 drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
5702                             const struct drm_connector_state *conn_state)
5703 {
5704         frame->right_bar = conn_state->tv.margins.right;
5705         frame->left_bar = conn_state->tv.margins.left;
5706         frame->top_bar = conn_state->tv.margins.top;
5707         frame->bottom_bar = conn_state->tv.margins.bottom;
5708 }
5709 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
5710
5711 static enum hdmi_3d_structure
5712 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5713 {
5714         u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5715
5716         switch (layout) {
5717         case DRM_MODE_FLAG_3D_FRAME_PACKING:
5718                 return HDMI_3D_STRUCTURE_FRAME_PACKING;
5719         case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
5720                 return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
5721         case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
5722                 return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
5723         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
5724                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
5725         case DRM_MODE_FLAG_3D_L_DEPTH:
5726                 return HDMI_3D_STRUCTURE_L_DEPTH;
5727         case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
5728                 return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
5729         case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
5730                 return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
5731         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
5732                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
5733         default:
5734                 return HDMI_3D_STRUCTURE_INVALID;
5735         }
5736 }
5737
5738 /**
5739  * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
5740  * data from a DRM display mode
5741  * @frame: HDMI vendor infoframe
5742  * @connector: the connector
5743  * @mode: DRM display mode
5744  *
5745  * Note that there's is a need to send HDMI vendor infoframes only when using a
5746  * 4k or stereoscopic 3D mode. So when giving any other mode as input this
5747  * function will return -EINVAL, error that can be safely ignored.
5748  *
5749  * Return: 0 on success or a negative error code on failure.
5750  */
5751 int
5752 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5753                                             const struct drm_connector *connector,
5754                                             const struct drm_display_mode *mode)
5755 {
5756         /*
5757          * FIXME: sil-sii8620 doesn't have a connector around when
5758          * we need one, so we have to be prepared for a NULL connector.
5759          */
5760         bool has_hdmi_infoframe = connector ?
5761                 connector->display_info.has_hdmi_infoframe : false;
5762         int err;
5763
5764         if (!frame || !mode)
5765                 return -EINVAL;
5766
5767         if (!has_hdmi_infoframe)
5768                 return -EINVAL;
5769
5770         err = hdmi_vendor_infoframe_init(frame);
5771         if (err < 0)
5772                 return err;
5773
5774         /*
5775          * Even if it's not absolutely necessary to send the infoframe
5776          * (ie.vic==0 and s3d_struct==0) we will still send it if we
5777          * know that the sink can handle it. This is based on a
5778          * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
5779          * have trouble realizing that they shuld switch from 3D to 2D
5780          * mode if the source simply stops sending the infoframe when
5781          * it wants to switch from 3D to 2D.
5782          */
5783         frame->vic = drm_mode_hdmi_vic(connector, mode);
5784         frame->s3d_struct = s3d_structure_from_display_mode(mode);
5785
5786         return 0;
5787 }
5788 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5789
5790 static int drm_parse_tiled_block(struct drm_connector *connector,
5791                                  const struct displayid_block *block)
5792 {
5793         const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
5794         u16 w, h;
5795         u8 tile_v_loc, tile_h_loc;
5796         u8 num_v_tile, num_h_tile;
5797         struct drm_tile_group *tg;
5798
5799         w = tile->tile_size[0] | tile->tile_size[1] << 8;
5800         h = tile->tile_size[2] | tile->tile_size[3] << 8;
5801
5802         num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
5803         num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
5804         tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
5805         tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
5806
5807         connector->has_tile = true;
5808         if (tile->tile_cap & 0x80)
5809                 connector->tile_is_single_monitor = true;
5810
5811         connector->num_h_tile = num_h_tile + 1;
5812         connector->num_v_tile = num_v_tile + 1;
5813         connector->tile_h_loc = tile_h_loc;
5814         connector->tile_v_loc = tile_v_loc;
5815         connector->tile_h_size = w + 1;
5816         connector->tile_v_size = h + 1;
5817
5818         DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
5819         DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
5820         DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
5821                       num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
5822         DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
5823
5824         tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
5825         if (!tg) {
5826                 tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
5827         }
5828         if (!tg)
5829                 return -ENOMEM;
5830
5831         if (connector->tile_group != tg) {
5832                 /* if we haven't got a pointer,
5833                    take the reference, drop ref to old tile group */
5834                 if (connector->tile_group) {
5835                         drm_mode_put_tile_group(connector->dev, connector->tile_group);
5836                 }
5837                 connector->tile_group = tg;
5838         } else
5839                 /* if same tile group, then release the ref we just took. */
5840                 drm_mode_put_tile_group(connector->dev, tg);
5841         return 0;
5842 }
5843
5844 static int drm_displayid_parse_tiled(struct drm_connector *connector,
5845                                      const u8 *displayid, int length, int idx)
5846 {
5847         const struct displayid_block *block;
5848         int ret;
5849
5850         idx += sizeof(struct displayid_hdr);
5851         for_each_displayid_db(displayid, block, idx, length) {
5852                 DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n",
5853                               block->tag, block->rev, block->num_bytes);
5854
5855                 switch (block->tag) {
5856                 case DATA_BLOCK_TILED_DISPLAY:
5857                         ret = drm_parse_tiled_block(connector, block);
5858                         if (ret)
5859                                 return ret;
5860                         break;
5861                 default:
5862                         DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag);
5863                         break;
5864                 }
5865         }
5866         return 0;
5867 }
5868
5869 void drm_update_tile_info(struct drm_connector *connector,
5870                           const struct edid *edid)
5871 {
5872         const void *displayid = NULL;
5873         int length, idx;
5874         int ret;
5875
5876         connector->has_tile = false;
5877         displayid = drm_find_displayid_extension(edid, &length, &idx);
5878         if (!displayid) {
5879                 /* drop reference to any tile group we had */
5880                 goto out_drop_ref;
5881         }
5882
5883         ret = drm_displayid_parse_tiled(connector, displayid, length, idx);
5884         if (ret < 0)
5885                 goto out_drop_ref;
5886         if (!connector->has_tile)
5887                 goto out_drop_ref;
5888         return;
5889 out_drop_ref:
5890         if (connector->tile_group) {
5891                 drm_mode_put_tile_group(connector->dev, connector->tile_group);
5892                 connector->tile_group = NULL;
5893         }
5894         return;
5895 }