Merge tag 'for_v5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
[linux-2.6-microblaze.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, and CV1 VR Headsets */
195         { "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP },
196         { "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP },
197         { "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP },
198
199         /* Windows Mixed Reality Headsets */
200         { "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP },
201         { "HPN", 0x3515, EDID_QUIRK_NON_DESKTOP },
202         { "LEN", 0x0408, EDID_QUIRK_NON_DESKTOP },
203         { "LEN", 0xb800, EDID_QUIRK_NON_DESKTOP },
204         { "FUJ", 0x1970, EDID_QUIRK_NON_DESKTOP },
205         { "DEL", 0x7fce, EDID_QUIRK_NON_DESKTOP },
206         { "SEC", 0x144a, EDID_QUIRK_NON_DESKTOP },
207         { "AUS", 0xc102, EDID_QUIRK_NON_DESKTOP },
208
209         /* Sony PlayStation VR Headset */
210         { "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP },
211
212         /* Sensics VR Headsets */
213         { "SEN", 0x1019, EDID_QUIRK_NON_DESKTOP },
214
215         /* OSVR HDK and HDK2 VR Headsets */
216         { "SVR", 0x1019, EDID_QUIRK_NON_DESKTOP },
217 };
218
219 /*
220  * Autogenerated from the DMT spec.
221  * This table is copied from xfree86/modes/xf86EdidModes.c.
222  */
223 static const struct drm_display_mode drm_dmt_modes[] = {
224         /* 0x01 - 640x350@85Hz */
225         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
226                    736, 832, 0, 350, 382, 385, 445, 0,
227                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
228         /* 0x02 - 640x400@85Hz */
229         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
230                    736, 832, 0, 400, 401, 404, 445, 0,
231                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
232         /* 0x03 - 720x400@85Hz */
233         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
234                    828, 936, 0, 400, 401, 404, 446, 0,
235                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
236         /* 0x04 - 640x480@60Hz */
237         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
238                    752, 800, 0, 480, 490, 492, 525, 0,
239                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
240         /* 0x05 - 640x480@72Hz */
241         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
242                    704, 832, 0, 480, 489, 492, 520, 0,
243                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
244         /* 0x06 - 640x480@75Hz */
245         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
246                    720, 840, 0, 480, 481, 484, 500, 0,
247                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
248         /* 0x07 - 640x480@85Hz */
249         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
250                    752, 832, 0, 480, 481, 484, 509, 0,
251                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
252         /* 0x08 - 800x600@56Hz */
253         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
254                    896, 1024, 0, 600, 601, 603, 625, 0,
255                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
256         /* 0x09 - 800x600@60Hz */
257         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
258                    968, 1056, 0, 600, 601, 605, 628, 0,
259                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
260         /* 0x0a - 800x600@72Hz */
261         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
262                    976, 1040, 0, 600, 637, 643, 666, 0,
263                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
264         /* 0x0b - 800x600@75Hz */
265         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
266                    896, 1056, 0, 600, 601, 604, 625, 0,
267                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
268         /* 0x0c - 800x600@85Hz */
269         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
270                    896, 1048, 0, 600, 601, 604, 631, 0,
271                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
272         /* 0x0d - 800x600@120Hz RB */
273         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
274                    880, 960, 0, 600, 603, 607, 636, 0,
275                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
276         /* 0x0e - 848x480@60Hz */
277         { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
278                    976, 1088, 0, 480, 486, 494, 517, 0,
279                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
280         /* 0x0f - 1024x768@43Hz, interlace */
281         { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
282                    1208, 1264, 0, 768, 768, 776, 817, 0,
283                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
284                    DRM_MODE_FLAG_INTERLACE) },
285         /* 0x10 - 1024x768@60Hz */
286         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
287                    1184, 1344, 0, 768, 771, 777, 806, 0,
288                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
289         /* 0x11 - 1024x768@70Hz */
290         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
291                    1184, 1328, 0, 768, 771, 777, 806, 0,
292                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
293         /* 0x12 - 1024x768@75Hz */
294         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
295                    1136, 1312, 0, 768, 769, 772, 800, 0,
296                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
297         /* 0x13 - 1024x768@85Hz */
298         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
299                    1168, 1376, 0, 768, 769, 772, 808, 0,
300                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
301         /* 0x14 - 1024x768@120Hz RB */
302         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
303                    1104, 1184, 0, 768, 771, 775, 813, 0,
304                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
305         /* 0x15 - 1152x864@75Hz */
306         { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
307                    1344, 1600, 0, 864, 865, 868, 900, 0,
308                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
309         /* 0x55 - 1280x720@60Hz */
310         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
311                    1430, 1650, 0, 720, 725, 730, 750, 0,
312                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
313         /* 0x16 - 1280x768@60Hz RB */
314         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
315                    1360, 1440, 0, 768, 771, 778, 790, 0,
316                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
317         /* 0x17 - 1280x768@60Hz */
318         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
319                    1472, 1664, 0, 768, 771, 778, 798, 0,
320                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
321         /* 0x18 - 1280x768@75Hz */
322         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
323                    1488, 1696, 0, 768, 771, 778, 805, 0,
324                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
325         /* 0x19 - 1280x768@85Hz */
326         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
327                    1496, 1712, 0, 768, 771, 778, 809, 0,
328                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
329         /* 0x1a - 1280x768@120Hz RB */
330         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
331                    1360, 1440, 0, 768, 771, 778, 813, 0,
332                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
333         /* 0x1b - 1280x800@60Hz RB */
334         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
335                    1360, 1440, 0, 800, 803, 809, 823, 0,
336                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
337         /* 0x1c - 1280x800@60Hz */
338         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
339                    1480, 1680, 0, 800, 803, 809, 831, 0,
340                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
341         /* 0x1d - 1280x800@75Hz */
342         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
343                    1488, 1696, 0, 800, 803, 809, 838, 0,
344                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
345         /* 0x1e - 1280x800@85Hz */
346         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
347                    1496, 1712, 0, 800, 803, 809, 843, 0,
348                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
349         /* 0x1f - 1280x800@120Hz RB */
350         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
351                    1360, 1440, 0, 800, 803, 809, 847, 0,
352                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
353         /* 0x20 - 1280x960@60Hz */
354         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
355                    1488, 1800, 0, 960, 961, 964, 1000, 0,
356                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
357         /* 0x21 - 1280x960@85Hz */
358         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
359                    1504, 1728, 0, 960, 961, 964, 1011, 0,
360                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
361         /* 0x22 - 1280x960@120Hz RB */
362         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
363                    1360, 1440, 0, 960, 963, 967, 1017, 0,
364                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
365         /* 0x23 - 1280x1024@60Hz */
366         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
367                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
368                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
369         /* 0x24 - 1280x1024@75Hz */
370         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
371                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
372                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
373         /* 0x25 - 1280x1024@85Hz */
374         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
375                    1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
376                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
377         /* 0x26 - 1280x1024@120Hz RB */
378         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
379                    1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
380                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
381         /* 0x27 - 1360x768@60Hz */
382         { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
383                    1536, 1792, 0, 768, 771, 777, 795, 0,
384                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
385         /* 0x28 - 1360x768@120Hz RB */
386         { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
387                    1440, 1520, 0, 768, 771, 776, 813, 0,
388                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
389         /* 0x51 - 1366x768@60Hz */
390         { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
391                    1579, 1792, 0, 768, 771, 774, 798, 0,
392                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
393         /* 0x56 - 1366x768@60Hz */
394         { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
395                    1436, 1500, 0, 768, 769, 772, 800, 0,
396                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
397         /* 0x29 - 1400x1050@60Hz RB */
398         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
399                    1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
400                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
401         /* 0x2a - 1400x1050@60Hz */
402         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
403                    1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
404                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
405         /* 0x2b - 1400x1050@75Hz */
406         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
407                    1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
408                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
409         /* 0x2c - 1400x1050@85Hz */
410         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
411                    1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
412                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
413         /* 0x2d - 1400x1050@120Hz RB */
414         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
415                    1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
416                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
417         /* 0x2e - 1440x900@60Hz RB */
418         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
419                    1520, 1600, 0, 900, 903, 909, 926, 0,
420                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
421         /* 0x2f - 1440x900@60Hz */
422         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
423                    1672, 1904, 0, 900, 903, 909, 934, 0,
424                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
425         /* 0x30 - 1440x900@75Hz */
426         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
427                    1688, 1936, 0, 900, 903, 909, 942, 0,
428                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
429         /* 0x31 - 1440x900@85Hz */
430         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
431                    1696, 1952, 0, 900, 903, 909, 948, 0,
432                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
433         /* 0x32 - 1440x900@120Hz RB */
434         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
435                    1520, 1600, 0, 900, 903, 909, 953, 0,
436                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
437         /* 0x53 - 1600x900@60Hz */
438         { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
439                    1704, 1800, 0, 900, 901, 904, 1000, 0,
440                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
441         /* 0x33 - 1600x1200@60Hz */
442         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
443                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
444                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
445         /* 0x34 - 1600x1200@65Hz */
446         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
447                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
448                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
449         /* 0x35 - 1600x1200@70Hz */
450         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
451                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
452                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
453         /* 0x36 - 1600x1200@75Hz */
454         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
455                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
456                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
457         /* 0x37 - 1600x1200@85Hz */
458         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
459                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
460                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
461         /* 0x38 - 1600x1200@120Hz RB */
462         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
463                    1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
464                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
465         /* 0x39 - 1680x1050@60Hz RB */
466         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
467                    1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
468                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
469         /* 0x3a - 1680x1050@60Hz */
470         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
471                    1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
472                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
473         /* 0x3b - 1680x1050@75Hz */
474         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
475                    1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
476                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
477         /* 0x3c - 1680x1050@85Hz */
478         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
479                    1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
480                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
481         /* 0x3d - 1680x1050@120Hz RB */
482         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
483                    1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
484                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
485         /* 0x3e - 1792x1344@60Hz */
486         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
487                    2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
488                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
489         /* 0x3f - 1792x1344@75Hz */
490         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
491                    2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
492                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
493         /* 0x40 - 1792x1344@120Hz RB */
494         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
495                    1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
496                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
497         /* 0x41 - 1856x1392@60Hz */
498         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
499                    2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
500                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
501         /* 0x42 - 1856x1392@75Hz */
502         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
503                    2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
504                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
505         /* 0x43 - 1856x1392@120Hz RB */
506         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
507                    1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
508                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
509         /* 0x52 - 1920x1080@60Hz */
510         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
511                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
512                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
513         /* 0x44 - 1920x1200@60Hz RB */
514         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
515                    2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
516                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
517         /* 0x45 - 1920x1200@60Hz */
518         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
519                    2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
520                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
521         /* 0x46 - 1920x1200@75Hz */
522         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
523                    2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
524                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
525         /* 0x47 - 1920x1200@85Hz */
526         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
527                    2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
528                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
529         /* 0x48 - 1920x1200@120Hz RB */
530         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
531                    2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
532                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
533         /* 0x49 - 1920x1440@60Hz */
534         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
535                    2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
536                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
537         /* 0x4a - 1920x1440@75Hz */
538         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
539                    2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
540                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
541         /* 0x4b - 1920x1440@120Hz RB */
542         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
543                    2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
544                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
545         /* 0x54 - 2048x1152@60Hz */
546         { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
547                    2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
548                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
549         /* 0x4c - 2560x1600@60Hz RB */
550         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
551                    2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
552                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
553         /* 0x4d - 2560x1600@60Hz */
554         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
555                    3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
556                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
557         /* 0x4e - 2560x1600@75Hz */
558         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
559                    3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
560                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
561         /* 0x4f - 2560x1600@85Hz */
562         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
563                    3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
564                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
565         /* 0x50 - 2560x1600@120Hz RB */
566         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
567                    2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
568                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
569         /* 0x57 - 4096x2160@60Hz RB */
570         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
571                    4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
572                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
573         /* 0x58 - 4096x2160@59.94Hz RB */
574         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
575                    4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
576                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
577 };
578
579 /*
580  * These more or less come from the DMT spec.  The 720x400 modes are
581  * inferred from historical 80x25 practice.  The 640x480@67 and 832x624@75
582  * modes are old-school Mac modes.  The EDID spec says the 1152x864@75 mode
583  * should be 1152x870, again for the Mac, but instead we use the x864 DMT
584  * mode.
585  *
586  * The DMT modes have been fact-checked; the rest are mild guesses.
587  */
588 static const struct drm_display_mode edid_est_modes[] = {
589         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
590                    968, 1056, 0, 600, 601, 605, 628, 0,
591                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
592         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
593                    896, 1024, 0, 600, 601, 603,  625, 0,
594                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
595         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
596                    720, 840, 0, 480, 481, 484, 500, 0,
597                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
598         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
599                    704,  832, 0, 480, 489, 492, 520, 0,
600                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
601         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
602                    768,  864, 0, 480, 483, 486, 525, 0,
603                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
604         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
605                    752, 800, 0, 480, 490, 492, 525, 0,
606                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
607         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
608                    846, 900, 0, 400, 421, 423,  449, 0,
609                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
610         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
611                    846,  900, 0, 400, 412, 414, 449, 0,
612                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
613         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
614                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
615                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
616         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
617                    1136, 1312, 0,  768, 769, 772, 800, 0,
618                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
619         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
620                    1184, 1328, 0,  768, 771, 777, 806, 0,
621                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
622         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
623                    1184, 1344, 0,  768, 771, 777, 806, 0,
624                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
625         { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
626                    1208, 1264, 0, 768, 768, 776, 817, 0,
627                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
628         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
629                    928, 1152, 0, 624, 625, 628, 667, 0,
630                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
631         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
632                    896, 1056, 0, 600, 601, 604,  625, 0,
633                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
634         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
635                    976, 1040, 0, 600, 637, 643, 666, 0,
636                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
637         { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
638                    1344, 1600, 0,  864, 865, 868, 900, 0,
639                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
640 };
641
642 struct minimode {
643         short w;
644         short h;
645         short r;
646         short rb;
647 };
648
649 static const struct minimode est3_modes[] = {
650         /* byte 6 */
651         { 640, 350, 85, 0 },
652         { 640, 400, 85, 0 },
653         { 720, 400, 85, 0 },
654         { 640, 480, 85, 0 },
655         { 848, 480, 60, 0 },
656         { 800, 600, 85, 0 },
657         { 1024, 768, 85, 0 },
658         { 1152, 864, 75, 0 },
659         /* byte 7 */
660         { 1280, 768, 60, 1 },
661         { 1280, 768, 60, 0 },
662         { 1280, 768, 75, 0 },
663         { 1280, 768, 85, 0 },
664         { 1280, 960, 60, 0 },
665         { 1280, 960, 85, 0 },
666         { 1280, 1024, 60, 0 },
667         { 1280, 1024, 85, 0 },
668         /* byte 8 */
669         { 1360, 768, 60, 0 },
670         { 1440, 900, 60, 1 },
671         { 1440, 900, 60, 0 },
672         { 1440, 900, 75, 0 },
673         { 1440, 900, 85, 0 },
674         { 1400, 1050, 60, 1 },
675         { 1400, 1050, 60, 0 },
676         { 1400, 1050, 75, 0 },
677         /* byte 9 */
678         { 1400, 1050, 85, 0 },
679         { 1680, 1050, 60, 1 },
680         { 1680, 1050, 60, 0 },
681         { 1680, 1050, 75, 0 },
682         { 1680, 1050, 85, 0 },
683         { 1600, 1200, 60, 0 },
684         { 1600, 1200, 65, 0 },
685         { 1600, 1200, 70, 0 },
686         /* byte 10 */
687         { 1600, 1200, 75, 0 },
688         { 1600, 1200, 85, 0 },
689         { 1792, 1344, 60, 0 },
690         { 1792, 1344, 75, 0 },
691         { 1856, 1392, 60, 0 },
692         { 1856, 1392, 75, 0 },
693         { 1920, 1200, 60, 1 },
694         { 1920, 1200, 60, 0 },
695         /* byte 11 */
696         { 1920, 1200, 75, 0 },
697         { 1920, 1200, 85, 0 },
698         { 1920, 1440, 60, 0 },
699         { 1920, 1440, 75, 0 },
700 };
701
702 static const struct minimode extra_modes[] = {
703         { 1024, 576,  60, 0 },
704         { 1366, 768,  60, 0 },
705         { 1600, 900,  60, 0 },
706         { 1680, 945,  60, 0 },
707         { 1920, 1080, 60, 0 },
708         { 2048, 1152, 60, 0 },
709         { 2048, 1536, 60, 0 },
710 };
711
712 /*
713  * From CEA/CTA-861 spec.
714  *
715  * Do not access directly, instead always use cea_mode_for_vic().
716  */
717 static const struct drm_display_mode edid_cea_modes_1[] = {
718         /* 1 - 640x480@60Hz 4:3 */
719         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
720                    752, 800, 0, 480, 490, 492, 525, 0,
721                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
722           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
723         /* 2 - 720x480@60Hz 4:3 */
724         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
725                    798, 858, 0, 480, 489, 495, 525, 0,
726                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
727           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
728         /* 3 - 720x480@60Hz 16:9 */
729         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
730                    798, 858, 0, 480, 489, 495, 525, 0,
731                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
732           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
733         /* 4 - 1280x720@60Hz 16:9 */
734         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
735                    1430, 1650, 0, 720, 725, 730, 750, 0,
736                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
737           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
738         /* 5 - 1920x1080i@60Hz 16:9 */
739         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
740                    2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
741                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
742                    DRM_MODE_FLAG_INTERLACE),
743           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
744         /* 6 - 720(1440)x480i@60Hz 4:3 */
745         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
746                    801, 858, 0, 480, 488, 494, 525, 0,
747                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
748                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
749           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
750         /* 7 - 720(1440)x480i@60Hz 16:9 */
751         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
752                    801, 858, 0, 480, 488, 494, 525, 0,
753                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
754                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
755           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
756         /* 8 - 720(1440)x240@60Hz 4:3 */
757         { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
758                    801, 858, 0, 240, 244, 247, 262, 0,
759                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
760                    DRM_MODE_FLAG_DBLCLK),
761           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
762         /* 9 - 720(1440)x240@60Hz 16:9 */
763         { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
764                    801, 858, 0, 240, 244, 247, 262, 0,
765                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
766                    DRM_MODE_FLAG_DBLCLK),
767           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
768         /* 10 - 2880x480i@60Hz 4:3 */
769         { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
770                    3204, 3432, 0, 480, 488, 494, 525, 0,
771                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
772                    DRM_MODE_FLAG_INTERLACE),
773           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
774         /* 11 - 2880x480i@60Hz 16:9 */
775         { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
776                    3204, 3432, 0, 480, 488, 494, 525, 0,
777                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
778                    DRM_MODE_FLAG_INTERLACE),
779           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
780         /* 12 - 2880x240@60Hz 4:3 */
781         { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
782                    3204, 3432, 0, 240, 244, 247, 262, 0,
783                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
784           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
785         /* 13 - 2880x240@60Hz 16:9 */
786         { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
787                    3204, 3432, 0, 240, 244, 247, 262, 0,
788                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
789           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
790         /* 14 - 1440x480@60Hz 4:3 */
791         { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
792                    1596, 1716, 0, 480, 489, 495, 525, 0,
793                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
794           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
795         /* 15 - 1440x480@60Hz 16:9 */
796         { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
797                    1596, 1716, 0, 480, 489, 495, 525, 0,
798                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
799           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
800         /* 16 - 1920x1080@60Hz 16:9 */
801         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
802                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
803                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
804           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
805         /* 17 - 720x576@50Hz 4:3 */
806         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
807                    796, 864, 0, 576, 581, 586, 625, 0,
808                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
809           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
810         /* 18 - 720x576@50Hz 16:9 */
811         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
812                    796, 864, 0, 576, 581, 586, 625, 0,
813                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
814           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
815         /* 19 - 1280x720@50Hz 16:9 */
816         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
817                    1760, 1980, 0, 720, 725, 730, 750, 0,
818                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
819           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
820         /* 20 - 1920x1080i@50Hz 16:9 */
821         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
822                    2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
823                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
824                    DRM_MODE_FLAG_INTERLACE),
825           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
826         /* 21 - 720(1440)x576i@50Hz 4:3 */
827         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
828                    795, 864, 0, 576, 580, 586, 625, 0,
829                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
830                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
831           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
832         /* 22 - 720(1440)x576i@50Hz 16:9 */
833         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
834                    795, 864, 0, 576, 580, 586, 625, 0,
835                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
836                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
837           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
838         /* 23 - 720(1440)x288@50Hz 4:3 */
839         { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
840                    795, 864, 0, 288, 290, 293, 312, 0,
841                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
842                    DRM_MODE_FLAG_DBLCLK),
843           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
844         /* 24 - 720(1440)x288@50Hz 16:9 */
845         { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
846                    795, 864, 0, 288, 290, 293, 312, 0,
847                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
848                    DRM_MODE_FLAG_DBLCLK),
849           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
850         /* 25 - 2880x576i@50Hz 4:3 */
851         { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
852                    3180, 3456, 0, 576, 580, 586, 625, 0,
853                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
854                    DRM_MODE_FLAG_INTERLACE),
855           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
856         /* 26 - 2880x576i@50Hz 16:9 */
857         { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
858                    3180, 3456, 0, 576, 580, 586, 625, 0,
859                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
860                    DRM_MODE_FLAG_INTERLACE),
861           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
862         /* 27 - 2880x288@50Hz 4:3 */
863         { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
864                    3180, 3456, 0, 288, 290, 293, 312, 0,
865                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
866           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
867         /* 28 - 2880x288@50Hz 16:9 */
868         { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
869                    3180, 3456, 0, 288, 290, 293, 312, 0,
870                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
871           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
872         /* 29 - 1440x576@50Hz 4:3 */
873         { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
874                    1592, 1728, 0, 576, 581, 586, 625, 0,
875                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
876           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
877         /* 30 - 1440x576@50Hz 16:9 */
878         { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
879                    1592, 1728, 0, 576, 581, 586, 625, 0,
880                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
881           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
882         /* 31 - 1920x1080@50Hz 16:9 */
883         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
884                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
885                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
886           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
887         /* 32 - 1920x1080@24Hz 16:9 */
888         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
889                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
890                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
891           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
892         /* 33 - 1920x1080@25Hz 16:9 */
893         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
894                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
895                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
896           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
897         /* 34 - 1920x1080@30Hz 16:9 */
898         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
899                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
900                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
901           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
902         /* 35 - 2880x480@60Hz 4:3 */
903         { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
904                    3192, 3432, 0, 480, 489, 495, 525, 0,
905                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
906           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
907         /* 36 - 2880x480@60Hz 16:9 */
908         { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
909                    3192, 3432, 0, 480, 489, 495, 525, 0,
910                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
911           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
912         /* 37 - 2880x576@50Hz 4:3 */
913         { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
914                    3184, 3456, 0, 576, 581, 586, 625, 0,
915                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
916           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
917         /* 38 - 2880x576@50Hz 16:9 */
918         { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
919                    3184, 3456, 0, 576, 581, 586, 625, 0,
920                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
921           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
922         /* 39 - 1920x1080i@50Hz 16:9 */
923         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
924                    2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
925                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
926                    DRM_MODE_FLAG_INTERLACE),
927           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
928         /* 40 - 1920x1080i@100Hz 16:9 */
929         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
930                    2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
931                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
932                    DRM_MODE_FLAG_INTERLACE),
933           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
934         /* 41 - 1280x720@100Hz 16:9 */
935         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
936                    1760, 1980, 0, 720, 725, 730, 750, 0,
937                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
938           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
939         /* 42 - 720x576@100Hz 4:3 */
940         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
941                    796, 864, 0, 576, 581, 586, 625, 0,
942                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
943           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
944         /* 43 - 720x576@100Hz 16:9 */
945         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
946                    796, 864, 0, 576, 581, 586, 625, 0,
947                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
948           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
949         /* 44 - 720(1440)x576i@100Hz 4:3 */
950         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
951                    795, 864, 0, 576, 580, 586, 625, 0,
952                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
953                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
954           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
955         /* 45 - 720(1440)x576i@100Hz 16:9 */
956         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
957                    795, 864, 0, 576, 580, 586, 625, 0,
958                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
959                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
960           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
961         /* 46 - 1920x1080i@120Hz 16:9 */
962         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
963                    2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
964                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
965                    DRM_MODE_FLAG_INTERLACE),
966           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
967         /* 47 - 1280x720@120Hz 16:9 */
968         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
969                    1430, 1650, 0, 720, 725, 730, 750, 0,
970                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
971           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
972         /* 48 - 720x480@120Hz 4:3 */
973         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
974                    798, 858, 0, 480, 489, 495, 525, 0,
975                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
976           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
977         /* 49 - 720x480@120Hz 16:9 */
978         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
979                    798, 858, 0, 480, 489, 495, 525, 0,
980                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
981           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
982         /* 50 - 720(1440)x480i@120Hz 4:3 */
983         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
984                    801, 858, 0, 480, 488, 494, 525, 0,
985                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
986                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
987           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
988         /* 51 - 720(1440)x480i@120Hz 16:9 */
989         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
990                    801, 858, 0, 480, 488, 494, 525, 0,
991                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
992                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
993           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
994         /* 52 - 720x576@200Hz 4:3 */
995         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
996                    796, 864, 0, 576, 581, 586, 625, 0,
997                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
998           .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
999         /* 53 - 720x576@200Hz 16:9 */
1000         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1001                    796, 864, 0, 576, 581, 586, 625, 0,
1002                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1003           .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1004         /* 54 - 720(1440)x576i@200Hz 4:3 */
1005         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1006                    795, 864, 0, 576, 580, 586, 625, 0,
1007                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1008                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1009           .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1010         /* 55 - 720(1440)x576i@200Hz 16:9 */
1011         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1012                    795, 864, 0, 576, 580, 586, 625, 0,
1013                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1014                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1015           .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1016         /* 56 - 720x480@240Hz 4:3 */
1017         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1018                    798, 858, 0, 480, 489, 495, 525, 0,
1019                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1020           .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1021         /* 57 - 720x480@240Hz 16:9 */
1022         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1023                    798, 858, 0, 480, 489, 495, 525, 0,
1024                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1025           .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1026         /* 58 - 720(1440)x480i@240Hz 4:3 */
1027         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1028                    801, 858, 0, 480, 488, 494, 525, 0,
1029                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1030                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1031           .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1032         /* 59 - 720(1440)x480i@240Hz 16:9 */
1033         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1034                    801, 858, 0, 480, 488, 494, 525, 0,
1035                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1036                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1037           .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1038         /* 60 - 1280x720@24Hz 16:9 */
1039         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1040                    3080, 3300, 0, 720, 725, 730, 750, 0,
1041                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1042           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1043         /* 61 - 1280x720@25Hz 16:9 */
1044         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1045                    3740, 3960, 0, 720, 725, 730, 750, 0,
1046                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1047           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1048         /* 62 - 1280x720@30Hz 16:9 */
1049         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1050                    3080, 3300, 0, 720, 725, 730, 750, 0,
1051                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1052           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1053         /* 63 - 1920x1080@120Hz 16:9 */
1054         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1055                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1056                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1057           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1058         /* 64 - 1920x1080@100Hz 16:9 */
1059         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1060                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1061                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1062           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1063         /* 65 - 1280x720@24Hz 64:27 */
1064         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1065                    3080, 3300, 0, 720, 725, 730, 750, 0,
1066                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1067           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1068         /* 66 - 1280x720@25Hz 64:27 */
1069         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1070                    3740, 3960, 0, 720, 725, 730, 750, 0,
1071                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1072           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1073         /* 67 - 1280x720@30Hz 64:27 */
1074         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1075                    3080, 3300, 0, 720, 725, 730, 750, 0,
1076                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1077           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1078         /* 68 - 1280x720@50Hz 64:27 */
1079         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1080                    1760, 1980, 0, 720, 725, 730, 750, 0,
1081                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1082           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1083         /* 69 - 1280x720@60Hz 64:27 */
1084         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1085                    1430, 1650, 0, 720, 725, 730, 750, 0,
1086                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1087           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1088         /* 70 - 1280x720@100Hz 64:27 */
1089         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1090                    1760, 1980, 0, 720, 725, 730, 750, 0,
1091                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1092           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1093         /* 71 - 1280x720@120Hz 64:27 */
1094         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1095                    1430, 1650, 0, 720, 725, 730, 750, 0,
1096                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1097           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1098         /* 72 - 1920x1080@24Hz 64:27 */
1099         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1100                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1101                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1102           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1103         /* 73 - 1920x1080@25Hz 64:27 */
1104         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1105                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1106                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1107           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1108         /* 74 - 1920x1080@30Hz 64:27 */
1109         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1110                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1111                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1112           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1113         /* 75 - 1920x1080@50Hz 64:27 */
1114         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1115                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1116                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1117           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1118         /* 76 - 1920x1080@60Hz 64:27 */
1119         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1120                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1121                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1122           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1123         /* 77 - 1920x1080@100Hz 64:27 */
1124         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1125                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1126                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1127           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1128         /* 78 - 1920x1080@120Hz 64:27 */
1129         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1130                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1131                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1132           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1133         /* 79 - 1680x720@24Hz 64:27 */
1134         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1135                    3080, 3300, 0, 720, 725, 730, 750, 0,
1136                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1137           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1138         /* 80 - 1680x720@25Hz 64:27 */
1139         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1140                    2948, 3168, 0, 720, 725, 730, 750, 0,
1141                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1142           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1143         /* 81 - 1680x720@30Hz 64:27 */
1144         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1145                    2420, 2640, 0, 720, 725, 730, 750, 0,
1146                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1147           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1148         /* 82 - 1680x720@50Hz 64:27 */
1149         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1150                    1980, 2200, 0, 720, 725, 730, 750, 0,
1151                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1152           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1153         /* 83 - 1680x720@60Hz 64:27 */
1154         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1155                    1980, 2200, 0, 720, 725, 730, 750, 0,
1156                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1157           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1158         /* 84 - 1680x720@100Hz 64:27 */
1159         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1160                    1780, 2000, 0, 720, 725, 730, 825, 0,
1161                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1162           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1163         /* 85 - 1680x720@120Hz 64:27 */
1164         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1165                    1780, 2000, 0, 720, 725, 730, 825, 0,
1166                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1167           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1168         /* 86 - 2560x1080@24Hz 64:27 */
1169         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1170                    3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1171                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1172           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1173         /* 87 - 2560x1080@25Hz 64:27 */
1174         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1175                    3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1176                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1177           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1178         /* 88 - 2560x1080@30Hz 64:27 */
1179         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1180                    3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1181                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1182           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1183         /* 89 - 2560x1080@50Hz 64:27 */
1184         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1185                    3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1186                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1187           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1188         /* 90 - 2560x1080@60Hz 64:27 */
1189         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1190                    2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1191                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1192           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1193         /* 91 - 2560x1080@100Hz 64:27 */
1194         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1195                    2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1196                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1197           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1198         /* 92 - 2560x1080@120Hz 64:27 */
1199         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1200                    3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1201                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1202           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1203         /* 93 - 3840x2160@24Hz 16:9 */
1204         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1205                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1206                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1207           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1208         /* 94 - 3840x2160@25Hz 16:9 */
1209         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1210                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1211                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1212           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1213         /* 95 - 3840x2160@30Hz 16:9 */
1214         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1215                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1216                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1217           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1218         /* 96 - 3840x2160@50Hz 16:9 */
1219         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1220                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1221                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1222           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1223         /* 97 - 3840x2160@60Hz 16:9 */
1224         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1225                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1226                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1227           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1228         /* 98 - 4096x2160@24Hz 256:135 */
1229         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1230                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1231                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1232           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1233         /* 99 - 4096x2160@25Hz 256:135 */
1234         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1235                    5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1236                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1237           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1238         /* 100 - 4096x2160@30Hz 256:135 */
1239         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1240                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1241                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1242           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1243         /* 101 - 4096x2160@50Hz 256:135 */
1244         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1245                    5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1246                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1247           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1248         /* 102 - 4096x2160@60Hz 256:135 */
1249         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1250                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1251                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1252           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1253         /* 103 - 3840x2160@24Hz 64:27 */
1254         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1255                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1256                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1257           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1258         /* 104 - 3840x2160@25Hz 64:27 */
1259         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1260                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1261                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1262           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1263         /* 105 - 3840x2160@30Hz 64:27 */
1264         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1265                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1266                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1267           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1268         /* 106 - 3840x2160@50Hz 64:27 */
1269         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1270                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1271                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1272           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1273         /* 107 - 3840x2160@60Hz 64:27 */
1274         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1275                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1276                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1277           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1278         /* 108 - 1280x720@48Hz 16:9 */
1279         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1280                    2280, 2500, 0, 720, 725, 730, 750, 0,
1281                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1282           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1283         /* 109 - 1280x720@48Hz 64:27 */
1284         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1285                    2280, 2500, 0, 720, 725, 730, 750, 0,
1286                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1287           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1288         /* 110 - 1680x720@48Hz 64:27 */
1289         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490,
1290                    2530, 2750, 0, 720, 725, 730, 750, 0,
1291                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1292           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1293         /* 111 - 1920x1080@48Hz 16:9 */
1294         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1295                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1296                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1297           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1298         /* 112 - 1920x1080@48Hz 64:27 */
1299         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1300                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1301                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1302           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1303         /* 113 - 2560x1080@48Hz 64:27 */
1304         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558,
1305                    3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1306                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1307           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1308         /* 114 - 3840x2160@48Hz 16:9 */
1309         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1310                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1311                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1312           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1313         /* 115 - 4096x2160@48Hz 256:135 */
1314         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116,
1315                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1316                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1317           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1318         /* 116 - 3840x2160@48Hz 64:27 */
1319         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1320                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1321                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1322           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1323         /* 117 - 3840x2160@100Hz 16:9 */
1324         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1325                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1326                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1327           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1328         /* 118 - 3840x2160@120Hz 16:9 */
1329         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1330                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1331                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1332           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1333         /* 119 - 3840x2160@100Hz 64:27 */
1334         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1335                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1336                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1337           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1338         /* 120 - 3840x2160@120Hz 64:27 */
1339         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1340                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1341                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1342           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1343         /* 121 - 5120x2160@24Hz 64:27 */
1344         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116,
1345                    7204, 7500, 0, 2160, 2168, 2178, 2200, 0,
1346                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1347           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1348         /* 122 - 5120x2160@25Hz 64:27 */
1349         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816,
1350                    6904, 7200, 0, 2160, 2168, 2178, 2200, 0,
1351                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1352           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1353         /* 123 - 5120x2160@30Hz 64:27 */
1354         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784,
1355                    5872, 6000, 0, 2160, 2168, 2178, 2200, 0,
1356                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1357           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1358         /* 124 - 5120x2160@48Hz 64:27 */
1359         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866,
1360                    5954, 6250, 0, 2160, 2168, 2178, 2475, 0,
1361                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1362           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1363         /* 125 - 5120x2160@50Hz 64:27 */
1364         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216,
1365                    6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1366                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1367           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1368         /* 126 - 5120x2160@60Hz 64:27 */
1369         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284,
1370                    5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1371                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1372           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1373         /* 127 - 5120x2160@100Hz 64:27 */
1374         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216,
1375                    6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1376                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1377           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1378 };
1379
1380 /*
1381  * From CEA/CTA-861 spec.
1382  *
1383  * Do not access directly, instead always use cea_mode_for_vic().
1384  */
1385 static const struct drm_display_mode edid_cea_modes_193[] = {
1386         /* 193 - 5120x2160@120Hz 64:27 */
1387         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
1388                    5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1389                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1390           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1391         /* 194 - 7680x4320@24Hz 16:9 */
1392         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1393                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1394                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1395           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1396         /* 195 - 7680x4320@25Hz 16:9 */
1397         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1398                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1399                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1400           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1401         /* 196 - 7680x4320@30Hz 16:9 */
1402         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1403                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1404                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1405           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1406         /* 197 - 7680x4320@48Hz 16:9 */
1407         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1408                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1409                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1410           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1411         /* 198 - 7680x4320@50Hz 16:9 */
1412         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1413                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1414                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1415           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1416         /* 199 - 7680x4320@60Hz 16:9 */
1417         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1418                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1419                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1420           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1421         /* 200 - 7680x4320@100Hz 16:9 */
1422         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1423                    9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1424                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1425           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1426         /* 201 - 7680x4320@120Hz 16:9 */
1427         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1428                    8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1429                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1430           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1431         /* 202 - 7680x4320@24Hz 64:27 */
1432         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1433                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1434                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1435           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1436         /* 203 - 7680x4320@25Hz 64:27 */
1437         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1438                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1439                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1440           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1441         /* 204 - 7680x4320@30Hz 64:27 */
1442         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1443                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1444                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1445           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1446         /* 205 - 7680x4320@48Hz 64:27 */
1447         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1448                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1449                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1450           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1451         /* 206 - 7680x4320@50Hz 64:27 */
1452         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1453                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1454                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1455           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1456         /* 207 - 7680x4320@60Hz 64:27 */
1457         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1458                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1459                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1460           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1461         /* 208 - 7680x4320@100Hz 64:27 */
1462         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1463                    9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1464                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1465           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1466         /* 209 - 7680x4320@120Hz 64:27 */
1467         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1468                    8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1469                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1470           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1471         /* 210 - 10240x4320@24Hz 64:27 */
1472         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
1473                    11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1474                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1475           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1476         /* 211 - 10240x4320@25Hz 64:27 */
1477         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
1478                    12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1479                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1480           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1481         /* 212 - 10240x4320@30Hz 64:27 */
1482         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
1483                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1484                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1485           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1486         /* 213 - 10240x4320@48Hz 64:27 */
1487         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
1488                    11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1489                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1490           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1491         /* 214 - 10240x4320@50Hz 64:27 */
1492         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
1493                    12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1494                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1495           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1496         /* 215 - 10240x4320@60Hz 64:27 */
1497         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
1498                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1499                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1500           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1501         /* 216 - 10240x4320@100Hz 64:27 */
1502         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
1503                    12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
1504                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1505           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1506         /* 217 - 10240x4320@120Hz 64:27 */
1507         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
1508                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1509                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1510           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1511         /* 218 - 4096x2160@100Hz 256:135 */
1512         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
1513                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1514                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1515           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1516         /* 219 - 4096x2160@120Hz 256:135 */
1517         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
1518                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1519                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1520           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1521 };
1522
1523 /*
1524  * HDMI 1.4 4k modes. Index using the VIC.
1525  */
1526 static const struct drm_display_mode edid_4k_modes[] = {
1527         /* 0 - dummy, VICs start at 1 */
1528         { },
1529         /* 1 - 3840x2160@30Hz */
1530         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1531                    3840, 4016, 4104, 4400, 0,
1532                    2160, 2168, 2178, 2250, 0,
1533                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1534           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1535         /* 2 - 3840x2160@25Hz */
1536         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1537                    3840, 4896, 4984, 5280, 0,
1538                    2160, 2168, 2178, 2250, 0,
1539                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1540           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1541         /* 3 - 3840x2160@24Hz */
1542         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1543                    3840, 5116, 5204, 5500, 0,
1544                    2160, 2168, 2178, 2250, 0,
1545                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1546           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1547         /* 4 - 4096x2160@24Hz (SMPTE) */
1548         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1549                    4096, 5116, 5204, 5500, 0,
1550                    2160, 2168, 2178, 2250, 0,
1551                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1552           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1553 };
1554
1555 /*** DDC fetch and block validation ***/
1556
1557 static const u8 edid_header[] = {
1558         0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1559 };
1560
1561 /**
1562  * drm_edid_header_is_valid - sanity check the header of the base EDID block
1563  * @raw_edid: pointer to raw base EDID block
1564  *
1565  * Sanity check the header of the base EDID block.
1566  *
1567  * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1568  */
1569 int drm_edid_header_is_valid(const u8 *raw_edid)
1570 {
1571         int i, score = 0;
1572
1573         for (i = 0; i < sizeof(edid_header); i++)
1574                 if (raw_edid[i] == edid_header[i])
1575                         score++;
1576
1577         return score;
1578 }
1579 EXPORT_SYMBOL(drm_edid_header_is_valid);
1580
1581 static int edid_fixup __read_mostly = 6;
1582 module_param_named(edid_fixup, edid_fixup, int, 0400);
1583 MODULE_PARM_DESC(edid_fixup,
1584                  "Minimum number of valid EDID header bytes (0-8, default 6)");
1585
1586 static void drm_get_displayid(struct drm_connector *connector,
1587                               struct edid *edid);
1588 static int validate_displayid(u8 *displayid, int length, int idx);
1589
1590 static int drm_edid_block_checksum(const u8 *raw_edid)
1591 {
1592         int i;
1593         u8 csum = 0, crc = 0;
1594
1595         for (i = 0; i < EDID_LENGTH - 1; i++)
1596                 csum += raw_edid[i];
1597
1598         crc = 0x100 - csum;
1599
1600         return crc;
1601 }
1602
1603 static bool drm_edid_block_checksum_diff(const u8 *raw_edid, u8 real_checksum)
1604 {
1605         if (raw_edid[EDID_LENGTH - 1] != real_checksum)
1606                 return true;
1607         else
1608                 return false;
1609 }
1610
1611 static bool drm_edid_is_zero(const u8 *in_edid, int length)
1612 {
1613         if (memchr_inv(in_edid, 0, length))
1614                 return false;
1615
1616         return true;
1617 }
1618
1619 /**
1620  * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1621  * @raw_edid: pointer to raw EDID block
1622  * @block: type of block to validate (0 for base, extension otherwise)
1623  * @print_bad_edid: if true, dump bad EDID blocks to the console
1624  * @edid_corrupt: if true, the header or checksum is invalid
1625  *
1626  * Validate a base or extension EDID block and optionally dump bad blocks to
1627  * the console.
1628  *
1629  * Return: True if the block is valid, false otherwise.
1630  */
1631 bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
1632                           bool *edid_corrupt)
1633 {
1634         u8 csum;
1635         struct edid *edid = (struct edid *)raw_edid;
1636
1637         if (WARN_ON(!raw_edid))
1638                 return false;
1639
1640         if (edid_fixup > 8 || edid_fixup < 0)
1641                 edid_fixup = 6;
1642
1643         if (block == 0) {
1644                 int score = drm_edid_header_is_valid(raw_edid);
1645                 if (score == 8) {
1646                         if (edid_corrupt)
1647                                 *edid_corrupt = false;
1648                 } else if (score >= edid_fixup) {
1649                         /* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6
1650                          * The corrupt flag needs to be set here otherwise, the
1651                          * fix-up code here will correct the problem, the
1652                          * checksum is correct and the test fails
1653                          */
1654                         if (edid_corrupt)
1655                                 *edid_corrupt = true;
1656                         DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
1657                         memcpy(raw_edid, edid_header, sizeof(edid_header));
1658                 } else {
1659                         if (edid_corrupt)
1660                                 *edid_corrupt = true;
1661                         goto bad;
1662                 }
1663         }
1664
1665         csum = drm_edid_block_checksum(raw_edid);
1666         if (drm_edid_block_checksum_diff(raw_edid, csum)) {
1667                 if (edid_corrupt)
1668                         *edid_corrupt = true;
1669
1670                 /* allow CEA to slide through, switches mangle this */
1671                 if (raw_edid[0] == CEA_EXT) {
1672                         DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum);
1673                         DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n");
1674                 } else {
1675                         if (print_bad_edid)
1676                                 DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
1677
1678                         goto bad;
1679                 }
1680         }
1681
1682         /* per-block-type checks */
1683         switch (raw_edid[0]) {
1684         case 0: /* base */
1685                 if (edid->version != 1) {
1686                         DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
1687                         goto bad;
1688                 }
1689
1690                 if (edid->revision > 4)
1691                         DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
1692                 break;
1693
1694         default:
1695                 break;
1696         }
1697
1698         return true;
1699
1700 bad:
1701         if (print_bad_edid) {
1702                 if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1703                         pr_notice("EDID block is all zeroes\n");
1704                 } else {
1705                         pr_notice("Raw EDID:\n");
1706                         print_hex_dump(KERN_NOTICE,
1707                                        " \t", DUMP_PREFIX_NONE, 16, 1,
1708                                        raw_edid, EDID_LENGTH, false);
1709                 }
1710         }
1711         return false;
1712 }
1713 EXPORT_SYMBOL(drm_edid_block_valid);
1714
1715 /**
1716  * drm_edid_is_valid - sanity check EDID data
1717  * @edid: EDID data
1718  *
1719  * Sanity-check an entire EDID record (including extensions)
1720  *
1721  * Return: True if the EDID data is valid, false otherwise.
1722  */
1723 bool drm_edid_is_valid(struct edid *edid)
1724 {
1725         int i;
1726         u8 *raw = (u8 *)edid;
1727
1728         if (!edid)
1729                 return false;
1730
1731         for (i = 0; i <= edid->extensions; i++)
1732                 if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
1733                         return false;
1734
1735         return true;
1736 }
1737 EXPORT_SYMBOL(drm_edid_is_valid);
1738
1739 #define DDC_SEGMENT_ADDR 0x30
1740 /**
1741  * drm_do_probe_ddc_edid() - get EDID information via I2C
1742  * @data: I2C device adapter
1743  * @buf: EDID data buffer to be filled
1744  * @block: 128 byte EDID block to start fetching from
1745  * @len: EDID data buffer length to fetch
1746  *
1747  * Try to fetch EDID information by calling I2C driver functions.
1748  *
1749  * Return: 0 on success or -1 on failure.
1750  */
1751 static int
1752 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1753 {
1754         struct i2c_adapter *adapter = data;
1755         unsigned char start = block * EDID_LENGTH;
1756         unsigned char segment = block >> 1;
1757         unsigned char xfers = segment ? 3 : 2;
1758         int ret, retries = 5;
1759
1760         /*
1761          * The core I2C driver will automatically retry the transfer if the
1762          * adapter reports EAGAIN. However, we find that bit-banging transfers
1763          * are susceptible to errors under a heavily loaded machine and
1764          * generate spurious NAKs and timeouts. Retrying the transfer
1765          * of the individual block a few times seems to overcome this.
1766          */
1767         do {
1768                 struct i2c_msg msgs[] = {
1769                         {
1770                                 .addr   = DDC_SEGMENT_ADDR,
1771                                 .flags  = 0,
1772                                 .len    = 1,
1773                                 .buf    = &segment,
1774                         }, {
1775                                 .addr   = DDC_ADDR,
1776                                 .flags  = 0,
1777                                 .len    = 1,
1778                                 .buf    = &start,
1779                         }, {
1780                                 .addr   = DDC_ADDR,
1781                                 .flags  = I2C_M_RD,
1782                                 .len    = len,
1783                                 .buf    = buf,
1784                         }
1785                 };
1786
1787                 /*
1788                  * Avoid sending the segment addr to not upset non-compliant
1789                  * DDC monitors.
1790                  */
1791                 ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
1792
1793                 if (ret == -ENXIO) {
1794                         DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1795                                         adapter->name);
1796                         break;
1797                 }
1798         } while (ret != xfers && --retries);
1799
1800         return ret == xfers ? 0 : -1;
1801 }
1802
1803 static void connector_bad_edid(struct drm_connector *connector,
1804                                u8 *edid, int num_blocks)
1805 {
1806         int i;
1807         u8 num_of_ext = edid[0x7e];
1808
1809         /* Calculate real checksum for the last edid extension block data */
1810         connector->real_edid_checksum =
1811                 drm_edid_block_checksum(edid + num_of_ext * EDID_LENGTH);
1812
1813         if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
1814                 return;
1815
1816         dev_warn(connector->dev->dev,
1817                  "%s: EDID is invalid:\n",
1818                  connector->name);
1819         for (i = 0; i < num_blocks; i++) {
1820                 u8 *block = edid + i * EDID_LENGTH;
1821                 char prefix[20];
1822
1823                 if (drm_edid_is_zero(block, EDID_LENGTH))
1824                         sprintf(prefix, "\t[%02x] ZERO ", i);
1825                 else if (!drm_edid_block_valid(block, i, false, NULL))
1826                         sprintf(prefix, "\t[%02x] BAD  ", i);
1827                 else
1828                         sprintf(prefix, "\t[%02x] GOOD ", i);
1829
1830                 print_hex_dump(KERN_WARNING,
1831                                prefix, DUMP_PREFIX_NONE, 16, 1,
1832                                block, EDID_LENGTH, false);
1833         }
1834 }
1835
1836 /* Get override or firmware EDID */
1837 static struct edid *drm_get_override_edid(struct drm_connector *connector)
1838 {
1839         struct edid *override = NULL;
1840
1841         if (connector->override_edid)
1842                 override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1843
1844         if (!override)
1845                 override = drm_load_edid_firmware(connector);
1846
1847         return IS_ERR(override) ? NULL : override;
1848 }
1849
1850 /**
1851  * drm_add_override_edid_modes - add modes from override/firmware EDID
1852  * @connector: connector we're probing
1853  *
1854  * Add modes from the override/firmware EDID, if available. Only to be used from
1855  * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1856  * failed during drm_get_edid() and caused the override/firmware EDID to be
1857  * skipped.
1858  *
1859  * Return: The number of modes added or 0 if we couldn't find any.
1860  */
1861 int drm_add_override_edid_modes(struct drm_connector *connector)
1862 {
1863         struct edid *override;
1864         int num_modes = 0;
1865
1866         override = drm_get_override_edid(connector);
1867         if (override) {
1868                 drm_connector_update_edid_property(connector, override);
1869                 num_modes = drm_add_edid_modes(connector, override);
1870                 kfree(override);
1871
1872                 DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1873                               connector->base.id, connector->name, num_modes);
1874         }
1875
1876         return num_modes;
1877 }
1878 EXPORT_SYMBOL(drm_add_override_edid_modes);
1879
1880 /**
1881  * drm_do_get_edid - get EDID data using a custom EDID block read function
1882  * @connector: connector we're probing
1883  * @get_edid_block: EDID block read function
1884  * @data: private data passed to the block read function
1885  *
1886  * When the I2C adapter connected to the DDC bus is hidden behind a device that
1887  * exposes a different interface to read EDID blocks this function can be used
1888  * to get EDID data using a custom block read function.
1889  *
1890  * As in the general case the DDC bus is accessible by the kernel at the I2C
1891  * level, drivers must make all reasonable efforts to expose it as an I2C
1892  * adapter and use drm_get_edid() instead of abusing this function.
1893  *
1894  * The EDID may be overridden using debugfs override_edid or firmare EDID
1895  * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1896  * order. Having either of them bypasses actual EDID reads.
1897  *
1898  * Return: Pointer to valid EDID or NULL if we couldn't find any.
1899  */
1900 struct edid *drm_do_get_edid(struct drm_connector *connector,
1901         int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1902                               size_t len),
1903         void *data)
1904 {
1905         int i, j = 0, valid_extensions = 0;
1906         u8 *edid, *new;
1907         struct edid *override;
1908
1909         override = drm_get_override_edid(connector);
1910         if (override)
1911                 return override;
1912
1913         if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1914                 return NULL;
1915
1916         /* base block fetch */
1917         for (i = 0; i < 4; i++) {
1918                 if (get_edid_block(data, edid, 0, EDID_LENGTH))
1919                         goto out;
1920                 if (drm_edid_block_valid(edid, 0, false,
1921                                          &connector->edid_corrupt))
1922                         break;
1923                 if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1924                         connector->null_edid_counter++;
1925                         goto carp;
1926                 }
1927         }
1928         if (i == 4)
1929                 goto carp;
1930
1931         /* if there's no extensions, we're done */
1932         valid_extensions = edid[0x7e];
1933         if (valid_extensions == 0)
1934                 return (struct edid *)edid;
1935
1936         new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1937         if (!new)
1938                 goto out;
1939         edid = new;
1940
1941         for (j = 1; j <= edid[0x7e]; j++) {
1942                 u8 *block = edid + j * EDID_LENGTH;
1943
1944                 for (i = 0; i < 4; i++) {
1945                         if (get_edid_block(data, block, j, EDID_LENGTH))
1946                                 goto out;
1947                         if (drm_edid_block_valid(block, j, false, NULL))
1948                                 break;
1949                 }
1950
1951                 if (i == 4)
1952                         valid_extensions--;
1953         }
1954
1955         if (valid_extensions != edid[0x7e]) {
1956                 u8 *base;
1957
1958                 connector_bad_edid(connector, edid, edid[0x7e] + 1);
1959
1960                 edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
1961                 edid[0x7e] = valid_extensions;
1962
1963                 new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
1964                                     GFP_KERNEL);
1965                 if (!new)
1966                         goto out;
1967
1968                 base = new;
1969                 for (i = 0; i <= edid[0x7e]; i++) {
1970                         u8 *block = edid + i * EDID_LENGTH;
1971
1972                         if (!drm_edid_block_valid(block, i, false, NULL))
1973                                 continue;
1974
1975                         memcpy(base, block, EDID_LENGTH);
1976                         base += EDID_LENGTH;
1977                 }
1978
1979                 kfree(edid);
1980                 edid = new;
1981         }
1982
1983         return (struct edid *)edid;
1984
1985 carp:
1986         connector_bad_edid(connector, edid, 1);
1987 out:
1988         kfree(edid);
1989         return NULL;
1990 }
1991 EXPORT_SYMBOL_GPL(drm_do_get_edid);
1992
1993 /**
1994  * drm_probe_ddc() - probe DDC presence
1995  * @adapter: I2C adapter to probe
1996  *
1997  * Return: True on success, false on failure.
1998  */
1999 bool
2000 drm_probe_ddc(struct i2c_adapter *adapter)
2001 {
2002         unsigned char out;
2003
2004         return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2005 }
2006 EXPORT_SYMBOL(drm_probe_ddc);
2007
2008 /**
2009  * drm_get_edid - get EDID data, if available
2010  * @connector: connector we're probing
2011  * @adapter: I2C adapter to use for DDC
2012  *
2013  * Poke the given I2C channel to grab EDID data if possible.  If found,
2014  * attach it to the connector.
2015  *
2016  * Return: Pointer to valid EDID or NULL if we couldn't find any.
2017  */
2018 struct edid *drm_get_edid(struct drm_connector *connector,
2019                           struct i2c_adapter *adapter)
2020 {
2021         struct edid *edid;
2022
2023         if (connector->force == DRM_FORCE_OFF)
2024                 return NULL;
2025
2026         if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2027                 return NULL;
2028
2029         edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2030         if (edid)
2031                 drm_get_displayid(connector, edid);
2032         return edid;
2033 }
2034 EXPORT_SYMBOL(drm_get_edid);
2035
2036 /**
2037  * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2038  * @connector: connector we're probing
2039  * @adapter: I2C adapter to use for DDC
2040  *
2041  * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2042  * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2043  * switch DDC to the GPU which is retrieving EDID.
2044  *
2045  * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2046  */
2047 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2048                                      struct i2c_adapter *adapter)
2049 {
2050         struct pci_dev *pdev = connector->dev->pdev;
2051         struct edid *edid;
2052
2053         vga_switcheroo_lock_ddc(pdev);
2054         edid = drm_get_edid(connector, adapter);
2055         vga_switcheroo_unlock_ddc(pdev);
2056
2057         return edid;
2058 }
2059 EXPORT_SYMBOL(drm_get_edid_switcheroo);
2060
2061 /**
2062  * drm_edid_duplicate - duplicate an EDID and the extensions
2063  * @edid: EDID to duplicate
2064  *
2065  * Return: Pointer to duplicated EDID or NULL on allocation failure.
2066  */
2067 struct edid *drm_edid_duplicate(const struct edid *edid)
2068 {
2069         return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2070 }
2071 EXPORT_SYMBOL(drm_edid_duplicate);
2072
2073 /*** EDID parsing ***/
2074
2075 /**
2076  * edid_vendor - match a string against EDID's obfuscated vendor field
2077  * @edid: EDID to match
2078  * @vendor: vendor string
2079  *
2080  * Returns true if @vendor is in @edid, false otherwise
2081  */
2082 static bool edid_vendor(const struct edid *edid, const char *vendor)
2083 {
2084         char edid_vendor[3];
2085
2086         edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
2087         edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
2088                           ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
2089         edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
2090
2091         return !strncmp(edid_vendor, vendor, 3);
2092 }
2093
2094 /**
2095  * edid_get_quirks - return quirk flags for a given EDID
2096  * @edid: EDID to process
2097  *
2098  * This tells subsequent routines what fixes they need to apply.
2099  */
2100 static u32 edid_get_quirks(const struct edid *edid)
2101 {
2102         const struct edid_quirk *quirk;
2103         int i;
2104
2105         for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2106                 quirk = &edid_quirk_list[i];
2107
2108                 if (edid_vendor(edid, quirk->vendor) &&
2109                     (EDID_PRODUCT_ID(edid) == quirk->product_id))
2110                         return quirk->quirks;
2111         }
2112
2113         return 0;
2114 }
2115
2116 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2117 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2118
2119 /**
2120  * edid_fixup_preferred - set preferred modes based on quirk list
2121  * @connector: has mode list to fix up
2122  * @quirks: quirks list
2123  *
2124  * Walk the mode list for @connector, clearing the preferred status
2125  * on existing modes and setting it anew for the right mode ala @quirks.
2126  */
2127 static void edid_fixup_preferred(struct drm_connector *connector,
2128                                  u32 quirks)
2129 {
2130         struct drm_display_mode *t, *cur_mode, *preferred_mode;
2131         int target_refresh = 0;
2132         int cur_vrefresh, preferred_vrefresh;
2133
2134         if (list_empty(&connector->probed_modes))
2135                 return;
2136
2137         if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2138                 target_refresh = 60;
2139         if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2140                 target_refresh = 75;
2141
2142         preferred_mode = list_first_entry(&connector->probed_modes,
2143                                           struct drm_display_mode, head);
2144
2145         list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2146                 cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2147
2148                 if (cur_mode == preferred_mode)
2149                         continue;
2150
2151                 /* Largest mode is preferred */
2152                 if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2153                         preferred_mode = cur_mode;
2154
2155                 cur_vrefresh = cur_mode->vrefresh ?
2156                         cur_mode->vrefresh : drm_mode_vrefresh(cur_mode);
2157                 preferred_vrefresh = preferred_mode->vrefresh ?
2158                         preferred_mode->vrefresh : drm_mode_vrefresh(preferred_mode);
2159                 /* At a given size, try to get closest to target refresh */
2160                 if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2161                     MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2162                     MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2163                         preferred_mode = cur_mode;
2164                 }
2165         }
2166
2167         preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2168 }
2169
2170 static bool
2171 mode_is_rb(const struct drm_display_mode *mode)
2172 {
2173         return (mode->htotal - mode->hdisplay == 160) &&
2174                (mode->hsync_end - mode->hdisplay == 80) &&
2175                (mode->hsync_end - mode->hsync_start == 32) &&
2176                (mode->vsync_start - mode->vdisplay == 3);
2177 }
2178
2179 /*
2180  * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2181  * @dev: Device to duplicate against
2182  * @hsize: Mode width
2183  * @vsize: Mode height
2184  * @fresh: Mode refresh rate
2185  * @rb: Mode reduced-blanking-ness
2186  *
2187  * Walk the DMT mode list looking for a match for the given parameters.
2188  *
2189  * Return: A newly allocated copy of the mode, or NULL if not found.
2190  */
2191 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2192                                            int hsize, int vsize, int fresh,
2193                                            bool rb)
2194 {
2195         int i;
2196
2197         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2198                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2199                 if (hsize != ptr->hdisplay)
2200                         continue;
2201                 if (vsize != ptr->vdisplay)
2202                         continue;
2203                 if (fresh != drm_mode_vrefresh(ptr))
2204                         continue;
2205                 if (rb != mode_is_rb(ptr))
2206                         continue;
2207
2208                 return drm_mode_duplicate(dev, ptr);
2209         }
2210
2211         return NULL;
2212 }
2213 EXPORT_SYMBOL(drm_mode_find_dmt);
2214
2215 static bool is_display_descriptor(const u8 d[18], u8 tag)
2216 {
2217         return d[0] == 0x00 && d[1] == 0x00 &&
2218                 d[2] == 0x00 && d[3] == tag;
2219 }
2220
2221 static bool is_detailed_timing_descriptor(const u8 d[18])
2222 {
2223         return d[0] != 0x00 || d[1] != 0x00;
2224 }
2225
2226 typedef void detailed_cb(struct detailed_timing *timing, void *closure);
2227
2228 static void
2229 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2230 {
2231         int i, n;
2232         u8 d = ext[0x02];
2233         u8 *det_base = ext + d;
2234
2235         if (d < 4 || d > 127)
2236                 return;
2237
2238         n = (127 - d) / 18;
2239         for (i = 0; i < n; i++)
2240                 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2241 }
2242
2243 static void
2244 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2245 {
2246         unsigned int i, n = min((int)ext[0x02], 6);
2247         u8 *det_base = ext + 5;
2248
2249         if (ext[0x01] != 1)
2250                 return; /* unknown version */
2251
2252         for (i = 0; i < n; i++)
2253                 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2254 }
2255
2256 static void
2257 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
2258 {
2259         int i;
2260         struct edid *edid = (struct edid *)raw_edid;
2261
2262         if (edid == NULL)
2263                 return;
2264
2265         for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2266                 cb(&(edid->detailed_timings[i]), closure);
2267
2268         for (i = 1; i <= raw_edid[0x7e]; i++) {
2269                 u8 *ext = raw_edid + (i * EDID_LENGTH);
2270                 switch (*ext) {
2271                 case CEA_EXT:
2272                         cea_for_each_detailed_block(ext, cb, closure);
2273                         break;
2274                 case VTB_EXT:
2275                         vtb_for_each_detailed_block(ext, cb, closure);
2276                         break;
2277                 default:
2278                         break;
2279                 }
2280         }
2281 }
2282
2283 static void
2284 is_rb(struct detailed_timing *t, void *data)
2285 {
2286         u8 *r = (u8 *)t;
2287
2288         if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2289                 return;
2290
2291         if (r[15] & 0x10)
2292                 *(bool *)data = true;
2293 }
2294
2295 /* EDID 1.4 defines this explicitly.  For EDID 1.3, we guess, badly. */
2296 static bool
2297 drm_monitor_supports_rb(struct edid *edid)
2298 {
2299         if (edid->revision >= 4) {
2300                 bool ret = false;
2301                 drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2302                 return ret;
2303         }
2304
2305         return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2306 }
2307
2308 static void
2309 find_gtf2(struct detailed_timing *t, void *data)
2310 {
2311         u8 *r = (u8 *)t;
2312
2313         if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2314                 return;
2315
2316         if (r[10] == 0x02)
2317                 *(u8 **)data = r;
2318 }
2319
2320 /* Secondary GTF curve kicks in above some break frequency */
2321 static int
2322 drm_gtf2_hbreak(struct edid *edid)
2323 {
2324         u8 *r = NULL;
2325         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2326         return r ? (r[12] * 2) : 0;
2327 }
2328
2329 static int
2330 drm_gtf2_2c(struct edid *edid)
2331 {
2332         u8 *r = NULL;
2333         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2334         return r ? r[13] : 0;
2335 }
2336
2337 static int
2338 drm_gtf2_m(struct edid *edid)
2339 {
2340         u8 *r = NULL;
2341         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2342         return r ? (r[15] << 8) + r[14] : 0;
2343 }
2344
2345 static int
2346 drm_gtf2_k(struct edid *edid)
2347 {
2348         u8 *r = NULL;
2349         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2350         return r ? r[16] : 0;
2351 }
2352
2353 static int
2354 drm_gtf2_2j(struct edid *edid)
2355 {
2356         u8 *r = NULL;
2357         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2358         return r ? r[17] : 0;
2359 }
2360
2361 /**
2362  * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2363  * @edid: EDID block to scan
2364  */
2365 static int standard_timing_level(struct edid *edid)
2366 {
2367         if (edid->revision >= 2) {
2368                 if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2369                         return LEVEL_CVT;
2370                 if (drm_gtf2_hbreak(edid))
2371                         return LEVEL_GTF2;
2372                 if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2373                         return LEVEL_GTF;
2374         }
2375         return LEVEL_DMT;
2376 }
2377
2378 /*
2379  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
2380  * monitors fill with ascii space (0x20) instead.
2381  */
2382 static int
2383 bad_std_timing(u8 a, u8 b)
2384 {
2385         return (a == 0x00 && b == 0x00) ||
2386                (a == 0x01 && b == 0x01) ||
2387                (a == 0x20 && b == 0x20);
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         mode->vrefresh = drm_mode_vrefresh(mode);
2656         drm_mode_set_name(mode);
2657
2658         return mode;
2659 }
2660
2661 static bool
2662 mode_in_hsync_range(const struct drm_display_mode *mode,
2663                     struct edid *edid, u8 *t)
2664 {
2665         int hsync, hmin, hmax;
2666
2667         hmin = t[7];
2668         if (edid->revision >= 4)
2669             hmin += ((t[4] & 0x04) ? 255 : 0);
2670         hmax = t[8];
2671         if (edid->revision >= 4)
2672             hmax += ((t[4] & 0x08) ? 255 : 0);
2673         hsync = drm_mode_hsync(mode);
2674
2675         return (hsync <= hmax && hsync >= hmin);
2676 }
2677
2678 static bool
2679 mode_in_vsync_range(const struct drm_display_mode *mode,
2680                     struct edid *edid, u8 *t)
2681 {
2682         int vsync, vmin, vmax;
2683
2684         vmin = t[5];
2685         if (edid->revision >= 4)
2686             vmin += ((t[4] & 0x01) ? 255 : 0);
2687         vmax = t[6];
2688         if (edid->revision >= 4)
2689             vmax += ((t[4] & 0x02) ? 255 : 0);
2690         vsync = drm_mode_vrefresh(mode);
2691
2692         return (vsync <= vmax && vsync >= vmin);
2693 }
2694
2695 static u32
2696 range_pixel_clock(struct edid *edid, u8 *t)
2697 {
2698         /* unspecified */
2699         if (t[9] == 0 || t[9] == 255)
2700                 return 0;
2701
2702         /* 1.4 with CVT support gives us real precision, yay */
2703         if (edid->revision >= 4 && t[10] == 0x04)
2704                 return (t[9] * 10000) - ((t[12] >> 2) * 250);
2705
2706         /* 1.3 is pathetic, so fuzz up a bit */
2707         return t[9] * 10000 + 5001;
2708 }
2709
2710 static bool
2711 mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2712               struct detailed_timing *timing)
2713 {
2714         u32 max_clock;
2715         u8 *t = (u8 *)timing;
2716
2717         if (!mode_in_hsync_range(mode, edid, t))
2718                 return false;
2719
2720         if (!mode_in_vsync_range(mode, edid, t))
2721                 return false;
2722
2723         if ((max_clock = range_pixel_clock(edid, t)))
2724                 if (mode->clock > max_clock)
2725                         return false;
2726
2727         /* 1.4 max horizontal check */
2728         if (edid->revision >= 4 && t[10] == 0x04)
2729                 if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2730                         return false;
2731
2732         if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2733                 return false;
2734
2735         return true;
2736 }
2737
2738 static bool valid_inferred_mode(const struct drm_connector *connector,
2739                                 const struct drm_display_mode *mode)
2740 {
2741         const struct drm_display_mode *m;
2742         bool ok = false;
2743
2744         list_for_each_entry(m, &connector->probed_modes, head) {
2745                 if (mode->hdisplay == m->hdisplay &&
2746                     mode->vdisplay == m->vdisplay &&
2747                     drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2748                         return false; /* duplicated */
2749                 if (mode->hdisplay <= m->hdisplay &&
2750                     mode->vdisplay <= m->vdisplay)
2751                         ok = true;
2752         }
2753         return ok;
2754 }
2755
2756 static int
2757 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2758                         struct detailed_timing *timing)
2759 {
2760         int i, modes = 0;
2761         struct drm_display_mode *newmode;
2762         struct drm_device *dev = connector->dev;
2763
2764         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2765                 if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2766                     valid_inferred_mode(connector, drm_dmt_modes + i)) {
2767                         newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2768                         if (newmode) {
2769                                 drm_mode_probed_add(connector, newmode);
2770                                 modes++;
2771                         }
2772                 }
2773         }
2774
2775         return modes;
2776 }
2777
2778 /* fix up 1366x768 mode from 1368x768;
2779  * GFT/CVT can't express 1366 width which isn't dividable by 8
2780  */
2781 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2782 {
2783         if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2784                 mode->hdisplay = 1366;
2785                 mode->hsync_start--;
2786                 mode->hsync_end--;
2787                 drm_mode_set_name(mode);
2788         }
2789 }
2790
2791 static int
2792 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2793                         struct detailed_timing *timing)
2794 {
2795         int i, modes = 0;
2796         struct drm_display_mode *newmode;
2797         struct drm_device *dev = connector->dev;
2798
2799         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2800                 const struct minimode *m = &extra_modes[i];
2801                 newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2802                 if (!newmode)
2803                         return modes;
2804
2805                 drm_mode_fixup_1366x768(newmode);
2806                 if (!mode_in_range(newmode, edid, timing) ||
2807                     !valid_inferred_mode(connector, newmode)) {
2808                         drm_mode_destroy(dev, newmode);
2809                         continue;
2810                 }
2811
2812                 drm_mode_probed_add(connector, newmode);
2813                 modes++;
2814         }
2815
2816         return modes;
2817 }
2818
2819 static int
2820 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2821                         struct detailed_timing *timing)
2822 {
2823         int i, modes = 0;
2824         struct drm_display_mode *newmode;
2825         struct drm_device *dev = connector->dev;
2826         bool rb = drm_monitor_supports_rb(edid);
2827
2828         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2829                 const struct minimode *m = &extra_modes[i];
2830                 newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2831                 if (!newmode)
2832                         return modes;
2833
2834                 drm_mode_fixup_1366x768(newmode);
2835                 if (!mode_in_range(newmode, edid, timing) ||
2836                     !valid_inferred_mode(connector, newmode)) {
2837                         drm_mode_destroy(dev, newmode);
2838                         continue;
2839                 }
2840
2841                 drm_mode_probed_add(connector, newmode);
2842                 modes++;
2843         }
2844
2845         return modes;
2846 }
2847
2848 static void
2849 do_inferred_modes(struct detailed_timing *timing, void *c)
2850 {
2851         struct detailed_mode_closure *closure = c;
2852         struct detailed_non_pixel *data = &timing->data.other_data;
2853         struct detailed_data_monitor_range *range = &data->data.range;
2854
2855         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
2856                 return;
2857
2858         closure->modes += drm_dmt_modes_for_range(closure->connector,
2859                                                   closure->edid,
2860                                                   timing);
2861
2862         if (!version_greater(closure->edid, 1, 1))
2863                 return; /* GTF not defined yet */
2864
2865         switch (range->flags) {
2866         case 0x02: /* secondary gtf, XXX could do more */
2867         case 0x00: /* default gtf */
2868                 closure->modes += drm_gtf_modes_for_range(closure->connector,
2869                                                           closure->edid,
2870                                                           timing);
2871                 break;
2872         case 0x04: /* cvt, only in 1.4+ */
2873                 if (!version_greater(closure->edid, 1, 3))
2874                         break;
2875
2876                 closure->modes += drm_cvt_modes_for_range(closure->connector,
2877                                                           closure->edid,
2878                                                           timing);
2879                 break;
2880         case 0x01: /* just the ranges, no formula */
2881         default:
2882                 break;
2883         }
2884 }
2885
2886 static int
2887 add_inferred_modes(struct drm_connector *connector, struct edid *edid)
2888 {
2889         struct detailed_mode_closure closure = {
2890                 .connector = connector,
2891                 .edid = edid,
2892         };
2893
2894         if (version_greater(edid, 1, 0))
2895                 drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
2896                                             &closure);
2897
2898         return closure.modes;
2899 }
2900
2901 static int
2902 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
2903 {
2904         int i, j, m, modes = 0;
2905         struct drm_display_mode *mode;
2906         u8 *est = ((u8 *)timing) + 6;
2907
2908         for (i = 0; i < 6; i++) {
2909                 for (j = 7; j >= 0; j--) {
2910                         m = (i * 8) + (7 - j);
2911                         if (m >= ARRAY_SIZE(est3_modes))
2912                                 break;
2913                         if (est[i] & (1 << j)) {
2914                                 mode = drm_mode_find_dmt(connector->dev,
2915                                                          est3_modes[m].w,
2916                                                          est3_modes[m].h,
2917                                                          est3_modes[m].r,
2918                                                          est3_modes[m].rb);
2919                                 if (mode) {
2920                                         drm_mode_probed_add(connector, mode);
2921                                         modes++;
2922                                 }
2923                         }
2924                 }
2925         }
2926
2927         return modes;
2928 }
2929
2930 static void
2931 do_established_modes(struct detailed_timing *timing, void *c)
2932 {
2933         struct detailed_mode_closure *closure = c;
2934
2935         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_EST_TIMINGS))
2936                 return;
2937
2938         closure->modes += drm_est3_modes(closure->connector, timing);
2939 }
2940
2941 /**
2942  * add_established_modes - get est. modes from EDID and add them
2943  * @connector: connector to add mode(s) to
2944  * @edid: EDID block to scan
2945  *
2946  * Each EDID block contains a bitmap of the supported "established modes" list
2947  * (defined above).  Tease them out and add them to the global modes list.
2948  */
2949 static int
2950 add_established_modes(struct drm_connector *connector, struct edid *edid)
2951 {
2952         struct drm_device *dev = connector->dev;
2953         unsigned long est_bits = edid->established_timings.t1 |
2954                 (edid->established_timings.t2 << 8) |
2955                 ((edid->established_timings.mfg_rsvd & 0x80) << 9);
2956         int i, modes = 0;
2957         struct detailed_mode_closure closure = {
2958                 .connector = connector,
2959                 .edid = edid,
2960         };
2961
2962         for (i = 0; i <= EDID_EST_TIMINGS; i++) {
2963                 if (est_bits & (1<<i)) {
2964                         struct drm_display_mode *newmode;
2965                         newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
2966                         if (newmode) {
2967                                 drm_mode_probed_add(connector, newmode);
2968                                 modes++;
2969                         }
2970                 }
2971         }
2972
2973         if (version_greater(edid, 1, 0))
2974                     drm_for_each_detailed_block((u8 *)edid,
2975                                                 do_established_modes, &closure);
2976
2977         return modes + closure.modes;
2978 }
2979
2980 static void
2981 do_standard_modes(struct detailed_timing *timing, void *c)
2982 {
2983         struct detailed_mode_closure *closure = c;
2984         struct detailed_non_pixel *data = &timing->data.other_data;
2985         struct drm_connector *connector = closure->connector;
2986         struct edid *edid = closure->edid;
2987         int i;
2988
2989         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_STD_MODES))
2990                 return;
2991
2992         for (i = 0; i < 6; i++) {
2993                 struct std_timing *std = &data->data.timings[i];
2994                 struct drm_display_mode *newmode;
2995
2996                 newmode = drm_mode_std(connector, edid, std);
2997                 if (newmode) {
2998                         drm_mode_probed_add(connector, newmode);
2999                         closure->modes++;
3000                 }
3001         }
3002 }
3003
3004 /**
3005  * add_standard_modes - get std. modes from EDID and add them
3006  * @connector: connector to add mode(s) to
3007  * @edid: EDID block to scan
3008  *
3009  * Standard modes can be calculated using the appropriate standard (DMT,
3010  * GTF or CVT. Grab them from @edid and add them to the list.
3011  */
3012 static int
3013 add_standard_modes(struct drm_connector *connector, struct edid *edid)
3014 {
3015         int i, modes = 0;
3016         struct detailed_mode_closure closure = {
3017                 .connector = connector,
3018                 .edid = edid,
3019         };
3020
3021         for (i = 0; i < EDID_STD_TIMINGS; i++) {
3022                 struct drm_display_mode *newmode;
3023
3024                 newmode = drm_mode_std(connector, edid,
3025                                        &edid->standard_timings[i]);
3026                 if (newmode) {
3027                         drm_mode_probed_add(connector, newmode);
3028                         modes++;
3029                 }
3030         }
3031
3032         if (version_greater(edid, 1, 0))
3033                 drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
3034                                             &closure);
3035
3036         /* XXX should also look for standard codes in VTB blocks */
3037
3038         return modes + closure.modes;
3039 }
3040
3041 static int drm_cvt_modes(struct drm_connector *connector,
3042                          struct detailed_timing *timing)
3043 {
3044         int i, j, modes = 0;
3045         struct drm_display_mode *newmode;
3046         struct drm_device *dev = connector->dev;
3047         struct cvt_timing *cvt;
3048         const int rates[] = { 60, 85, 75, 60, 50 };
3049         const u8 empty[3] = { 0, 0, 0 };
3050
3051         for (i = 0; i < 4; i++) {
3052                 int uninitialized_var(width), height;
3053                 cvt = &(timing->data.other_data.data.cvt[i]);
3054
3055                 if (!memcmp(cvt->code, empty, 3))
3056                         continue;
3057
3058                 height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3059                 switch (cvt->code[1] & 0x0c) {
3060                 case 0x00:
3061                         width = height * 4 / 3;
3062                         break;
3063                 case 0x04:
3064                         width = height * 16 / 9;
3065                         break;
3066                 case 0x08:
3067                         width = height * 16 / 10;
3068                         break;
3069                 case 0x0c:
3070                         width = height * 15 / 9;
3071                         break;
3072                 }
3073
3074                 for (j = 1; j < 5; j++) {
3075                         if (cvt->code[2] & (1 << j)) {
3076                                 newmode = drm_cvt_mode(dev, width, height,
3077                                                        rates[j], j == 0,
3078                                                        false, false);
3079                                 if (newmode) {
3080                                         drm_mode_probed_add(connector, newmode);
3081                                         modes++;
3082                                 }
3083                         }
3084                 }
3085         }
3086
3087         return modes;
3088 }
3089
3090 static void
3091 do_cvt_mode(struct detailed_timing *timing, void *c)
3092 {
3093         struct detailed_mode_closure *closure = c;
3094
3095         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_CVT_3BYTE))
3096                 return;
3097
3098         closure->modes += drm_cvt_modes(closure->connector, timing);
3099 }
3100
3101 static int
3102 add_cvt_modes(struct drm_connector *connector, struct edid *edid)
3103 {
3104         struct detailed_mode_closure closure = {
3105                 .connector = connector,
3106                 .edid = edid,
3107         };
3108
3109         if (version_greater(edid, 1, 2))
3110                 drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
3111
3112         /* XXX should also look for CVT codes in VTB blocks */
3113
3114         return closure.modes;
3115 }
3116
3117 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3118
3119 static void
3120 do_detailed_mode(struct detailed_timing *timing, void *c)
3121 {
3122         struct detailed_mode_closure *closure = c;
3123         struct drm_display_mode *newmode;
3124
3125         if (!is_detailed_timing_descriptor((const u8 *)timing))
3126                 return;
3127
3128         newmode = drm_mode_detailed(closure->connector->dev,
3129                                     closure->edid, timing,
3130                                     closure->quirks);
3131         if (!newmode)
3132                 return;
3133
3134         if (closure->preferred)
3135                 newmode->type |= DRM_MODE_TYPE_PREFERRED;
3136
3137         /*
3138          * Detailed modes are limited to 10kHz pixel clock resolution,
3139          * so fix up anything that looks like CEA/HDMI mode, but the clock
3140          * is just slightly off.
3141          */
3142         fixup_detailed_cea_mode_clock(newmode);
3143
3144         drm_mode_probed_add(closure->connector, newmode);
3145         closure->modes++;
3146         closure->preferred = false;
3147 }
3148
3149 /*
3150  * add_detailed_modes - Add modes from detailed timings
3151  * @connector: attached connector
3152  * @edid: EDID block to scan
3153  * @quirks: quirks to apply
3154  */
3155 static int
3156 add_detailed_modes(struct drm_connector *connector, struct edid *edid,
3157                    u32 quirks)
3158 {
3159         struct detailed_mode_closure closure = {
3160                 .connector = connector,
3161                 .edid = edid,
3162                 .preferred = true,
3163                 .quirks = quirks,
3164         };
3165
3166         if (closure.preferred && !version_greater(edid, 1, 3))
3167                 closure.preferred =
3168                     (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3169
3170         drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
3171
3172         return closure.modes;
3173 }
3174
3175 #define AUDIO_BLOCK     0x01
3176 #define VIDEO_BLOCK     0x02
3177 #define VENDOR_BLOCK    0x03
3178 #define SPEAKER_BLOCK   0x04
3179 #define HDR_STATIC_METADATA_BLOCK       0x6
3180 #define USE_EXTENDED_TAG 0x07
3181 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3182 #define EXT_VIDEO_DATA_BLOCK_420        0x0E
3183 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3184 #define EDID_BASIC_AUDIO        (1 << 6)
3185 #define EDID_CEA_YCRCB444       (1 << 5)
3186 #define EDID_CEA_YCRCB422       (1 << 4)
3187 #define EDID_CEA_VCDB_QS        (1 << 6)
3188
3189 /*
3190  * Search EDID for CEA extension block.
3191  */
3192 static u8 *drm_find_edid_extension(const struct edid *edid, int ext_id)
3193 {
3194         u8 *edid_ext = NULL;
3195         int i;
3196
3197         /* No EDID or EDID extensions */
3198         if (edid == NULL || edid->extensions == 0)
3199                 return NULL;
3200
3201         /* Find CEA extension */
3202         for (i = 0; i < edid->extensions; i++) {
3203                 edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
3204                 if (edid_ext[0] == ext_id)
3205                         break;
3206         }
3207
3208         if (i == edid->extensions)
3209                 return NULL;
3210
3211         return edid_ext;
3212 }
3213
3214
3215 static u8 *drm_find_displayid_extension(const struct edid *edid)
3216 {
3217         return drm_find_edid_extension(edid, DISPLAYID_EXT);
3218 }
3219
3220 static u8 *drm_find_cea_extension(const struct edid *edid)
3221 {
3222         int ret;
3223         int idx = 1;
3224         int length = EDID_LENGTH;
3225         struct displayid_block *block;
3226         u8 *cea;
3227         u8 *displayid;
3228
3229         /* Look for a top level CEA extension block */
3230         cea = drm_find_edid_extension(edid, CEA_EXT);
3231         if (cea)
3232                 return cea;
3233
3234         /* CEA blocks can also be found embedded in a DisplayID block */
3235         displayid = drm_find_displayid_extension(edid);
3236         if (!displayid)
3237                 return NULL;
3238
3239         ret = validate_displayid(displayid, length, idx);
3240         if (ret)
3241                 return NULL;
3242
3243         idx += sizeof(struct displayid_hdr);
3244         for_each_displayid_db(displayid, block, idx, length) {
3245                 if (block->tag == DATA_BLOCK_CTA) {
3246                         cea = (u8 *)block;
3247                         break;
3248                 }
3249         }
3250
3251         return cea;
3252 }
3253
3254 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3255 {
3256         BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3257         BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3258
3259         if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3260                 return &edid_cea_modes_1[vic - 1];
3261         if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3262                 return &edid_cea_modes_193[vic - 193];
3263         return NULL;
3264 }
3265
3266 static u8 cea_num_vics(void)
3267 {
3268         return 193 + ARRAY_SIZE(edid_cea_modes_193);
3269 }
3270
3271 static u8 cea_next_vic(u8 vic)
3272 {
3273         if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3274                 vic = 193;
3275         return vic;
3276 }
3277
3278 /*
3279  * Calculate the alternate clock for the CEA mode
3280  * (60Hz vs. 59.94Hz etc.)
3281  */
3282 static unsigned int
3283 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3284 {
3285         unsigned int clock = cea_mode->clock;
3286
3287         if (cea_mode->vrefresh % 6 != 0)
3288                 return clock;
3289
3290         /*
3291          * edid_cea_modes contains the 59.94Hz
3292          * variant for 240 and 480 line modes,
3293          * and the 60Hz variant otherwise.
3294          */
3295         if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3296                 clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3297         else
3298                 clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3299
3300         return clock;
3301 }
3302
3303 static bool
3304 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3305 {
3306         /*
3307          * For certain VICs the spec allows the vertical
3308          * front porch to vary by one or two lines.
3309          *
3310          * cea_modes[] stores the variant with the shortest
3311          * vertical front porch. We can adjust the mode to
3312          * get the other variants by simply increasing the
3313          * vertical front porch length.
3314          */
3315         BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3316                      cea_mode_for_vic(9)->vtotal != 262 ||
3317                      cea_mode_for_vic(12)->vtotal != 262 ||
3318                      cea_mode_for_vic(13)->vtotal != 262 ||
3319                      cea_mode_for_vic(23)->vtotal != 312 ||
3320                      cea_mode_for_vic(24)->vtotal != 312 ||
3321                      cea_mode_for_vic(27)->vtotal != 312 ||
3322                      cea_mode_for_vic(28)->vtotal != 312);
3323
3324         if (((vic == 8 || vic == 9 ||
3325               vic == 12 || vic == 13) && mode->vtotal < 263) ||
3326             ((vic == 23 || vic == 24 ||
3327               vic == 27 || vic == 28) && mode->vtotal < 314)) {
3328                 mode->vsync_start++;
3329                 mode->vsync_end++;
3330                 mode->vtotal++;
3331
3332                 return true;
3333         }
3334
3335         return false;
3336 }
3337
3338 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3339                                              unsigned int clock_tolerance)
3340 {
3341         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3342         u8 vic;
3343
3344         if (!to_match->clock)
3345                 return 0;
3346
3347         if (to_match->picture_aspect_ratio)
3348                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3349
3350         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3351                 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3352                 unsigned int clock1, clock2;
3353
3354                 /* Check both 60Hz and 59.94Hz */
3355                 clock1 = cea_mode.clock;
3356                 clock2 = cea_mode_alternate_clock(&cea_mode);
3357
3358                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3359                     abs(to_match->clock - clock2) > clock_tolerance)
3360                         continue;
3361
3362                 do {
3363                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3364                                 return vic;
3365                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3366         }
3367
3368         return 0;
3369 }
3370
3371 /**
3372  * drm_match_cea_mode - look for a CEA mode matching given mode
3373  * @to_match: display mode
3374  *
3375  * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3376  * mode.
3377  */
3378 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3379 {
3380         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3381         u8 vic;
3382
3383         if (!to_match->clock)
3384                 return 0;
3385
3386         if (to_match->picture_aspect_ratio)
3387                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3388
3389         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3390                 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3391                 unsigned int clock1, clock2;
3392
3393                 /* Check both 60Hz and 59.94Hz */
3394                 clock1 = cea_mode.clock;
3395                 clock2 = cea_mode_alternate_clock(&cea_mode);
3396
3397                 if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3398                     KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3399                         continue;
3400
3401                 do {
3402                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3403                                 return vic;
3404                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3405         }
3406
3407         return 0;
3408 }
3409 EXPORT_SYMBOL(drm_match_cea_mode);
3410
3411 static bool drm_valid_cea_vic(u8 vic)
3412 {
3413         return cea_mode_for_vic(vic) != NULL;
3414 }
3415
3416 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3417 {
3418         const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3419
3420         if (mode)
3421                 return mode->picture_aspect_ratio;
3422
3423         return HDMI_PICTURE_ASPECT_NONE;
3424 }
3425
3426 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3427 {
3428         return edid_4k_modes[video_code].picture_aspect_ratio;
3429 }
3430
3431 /*
3432  * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3433  * specific block).
3434  */
3435 static unsigned int
3436 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3437 {
3438         return cea_mode_alternate_clock(hdmi_mode);
3439 }
3440
3441 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3442                                               unsigned int clock_tolerance)
3443 {
3444         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3445         u8 vic;
3446
3447         if (!to_match->clock)
3448                 return 0;
3449
3450         if (to_match->picture_aspect_ratio)
3451                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3452
3453         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3454                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3455                 unsigned int clock1, clock2;
3456
3457                 /* Make sure to also match alternate clocks */
3458                 clock1 = hdmi_mode->clock;
3459                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3460
3461                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3462                     abs(to_match->clock - clock2) > clock_tolerance)
3463                         continue;
3464
3465                 if (drm_mode_match(to_match, hdmi_mode, match_flags))
3466                         return vic;
3467         }
3468
3469         return 0;
3470 }
3471
3472 /*
3473  * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3474  * @to_match: display mode
3475  *
3476  * An HDMI mode is one defined in the HDMI vendor specific block.
3477  *
3478  * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3479  */
3480 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3481 {
3482         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3483         u8 vic;
3484
3485         if (!to_match->clock)
3486                 return 0;
3487
3488         if (to_match->picture_aspect_ratio)
3489                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3490
3491         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3492                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3493                 unsigned int clock1, clock2;
3494
3495                 /* Make sure to also match alternate clocks */
3496                 clock1 = hdmi_mode->clock;
3497                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3498
3499                 if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3500                      KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3501                     drm_mode_match(to_match, hdmi_mode, match_flags))
3502                         return vic;
3503         }
3504         return 0;
3505 }
3506
3507 static bool drm_valid_hdmi_vic(u8 vic)
3508 {
3509         return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3510 }
3511
3512 static int
3513 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3514 {
3515         struct drm_device *dev = connector->dev;
3516         struct drm_display_mode *mode, *tmp;
3517         LIST_HEAD(list);
3518         int modes = 0;
3519
3520         /* Don't add CEA modes if the CEA extension block is missing */
3521         if (!drm_find_cea_extension(edid))
3522                 return 0;
3523
3524         /*
3525          * Go through all probed modes and create a new mode
3526          * with the alternate clock for certain CEA modes.
3527          */
3528         list_for_each_entry(mode, &connector->probed_modes, head) {
3529                 const struct drm_display_mode *cea_mode = NULL;
3530                 struct drm_display_mode *newmode;
3531                 u8 vic = drm_match_cea_mode(mode);
3532                 unsigned int clock1, clock2;
3533
3534                 if (drm_valid_cea_vic(vic)) {
3535                         cea_mode = cea_mode_for_vic(vic);
3536                         clock2 = cea_mode_alternate_clock(cea_mode);
3537                 } else {
3538                         vic = drm_match_hdmi_mode(mode);
3539                         if (drm_valid_hdmi_vic(vic)) {
3540                                 cea_mode = &edid_4k_modes[vic];
3541                                 clock2 = hdmi_mode_alternate_clock(cea_mode);
3542                         }
3543                 }
3544
3545                 if (!cea_mode)
3546                         continue;
3547
3548                 clock1 = cea_mode->clock;
3549
3550                 if (clock1 == clock2)
3551                         continue;
3552
3553                 if (mode->clock != clock1 && mode->clock != clock2)
3554                         continue;
3555
3556                 newmode = drm_mode_duplicate(dev, cea_mode);
3557                 if (!newmode)
3558                         continue;
3559
3560                 /* Carry over the stereo flags */
3561                 newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3562
3563                 /*
3564                  * The current mode could be either variant. Make
3565                  * sure to pick the "other" clock for the new mode.
3566                  */
3567                 if (mode->clock != clock1)
3568                         newmode->clock = clock1;
3569                 else
3570                         newmode->clock = clock2;
3571
3572                 list_add_tail(&newmode->head, &list);
3573         }
3574
3575         list_for_each_entry_safe(mode, tmp, &list, head) {
3576                 list_del(&mode->head);
3577                 drm_mode_probed_add(connector, mode);
3578                 modes++;
3579         }
3580
3581         return modes;
3582 }
3583
3584 static u8 svd_to_vic(u8 svd)
3585 {
3586         /* 0-6 bit vic, 7th bit native mode indicator */
3587         if ((svd >= 1 &&  svd <= 64) || (svd >= 129 && svd <= 192))
3588                 return svd & 127;
3589
3590         return svd;
3591 }
3592
3593 static struct drm_display_mode *
3594 drm_display_mode_from_vic_index(struct drm_connector *connector,
3595                                 const u8 *video_db, u8 video_len,
3596                                 u8 video_index)
3597 {
3598         struct drm_device *dev = connector->dev;
3599         struct drm_display_mode *newmode;
3600         u8 vic;
3601
3602         if (video_db == NULL || video_index >= video_len)
3603                 return NULL;
3604
3605         /* CEA modes are numbered 1..127 */
3606         vic = svd_to_vic(video_db[video_index]);
3607         if (!drm_valid_cea_vic(vic))
3608                 return NULL;
3609
3610         newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3611         if (!newmode)
3612                 return NULL;
3613
3614         newmode->vrefresh = 0;
3615
3616         return newmode;
3617 }
3618
3619 /*
3620  * do_y420vdb_modes - Parse YCBCR 420 only modes
3621  * @connector: connector corresponding to the HDMI sink
3622  * @svds: start of the data block of CEA YCBCR 420 VDB
3623  * @len: length of the CEA YCBCR 420 VDB
3624  *
3625  * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3626  * which contains modes which can be supported in YCBCR 420
3627  * output format only.
3628  */
3629 static int do_y420vdb_modes(struct drm_connector *connector,
3630                             const u8 *svds, u8 svds_len)
3631 {
3632         int modes = 0, i;
3633         struct drm_device *dev = connector->dev;
3634         struct drm_display_info *info = &connector->display_info;
3635         struct drm_hdmi_info *hdmi = &info->hdmi;
3636
3637         for (i = 0; i < svds_len; i++) {
3638                 u8 vic = svd_to_vic(svds[i]);
3639                 struct drm_display_mode *newmode;
3640
3641                 if (!drm_valid_cea_vic(vic))
3642                         continue;
3643
3644                 newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3645                 if (!newmode)
3646                         break;
3647                 bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3648                 drm_mode_probed_add(connector, newmode);
3649                 modes++;
3650         }
3651
3652         if (modes > 0)
3653                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3654         return modes;
3655 }
3656
3657 /*
3658  * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3659  * @connector: connector corresponding to the HDMI sink
3660  * @vic: CEA vic for the video mode to be added in the map
3661  *
3662  * Makes an entry for a videomode in the YCBCR 420 bitmap
3663  */
3664 static void
3665 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3666 {
3667         u8 vic = svd_to_vic(svd);
3668         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3669
3670         if (!drm_valid_cea_vic(vic))
3671                 return;
3672
3673         bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3674 }
3675
3676 static int
3677 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3678 {
3679         int i, modes = 0;
3680         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3681
3682         for (i = 0; i < len; i++) {
3683                 struct drm_display_mode *mode;
3684                 mode = drm_display_mode_from_vic_index(connector, db, len, i);
3685                 if (mode) {
3686                         /*
3687                          * YCBCR420 capability block contains a bitmap which
3688                          * gives the index of CEA modes from CEA VDB, which
3689                          * can support YCBCR 420 sampling output also (apart
3690                          * from RGB/YCBCR444 etc).
3691                          * For example, if the bit 0 in bitmap is set,
3692                          * first mode in VDB can support YCBCR420 output too.
3693                          * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
3694                          */
3695                         if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
3696                                 drm_add_cmdb_modes(connector, db[i]);
3697
3698                         drm_mode_probed_add(connector, mode);
3699                         modes++;
3700                 }
3701         }
3702
3703         return modes;
3704 }
3705
3706 struct stereo_mandatory_mode {
3707         int width, height, vrefresh;
3708         unsigned int flags;
3709 };
3710
3711 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3712         { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3713         { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3714         { 1920, 1080, 50,
3715           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3716         { 1920, 1080, 60,
3717           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3718         { 1280, 720,  50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3719         { 1280, 720,  50, DRM_MODE_FLAG_3D_FRAME_PACKING },
3720         { 1280, 720,  60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3721         { 1280, 720,  60, DRM_MODE_FLAG_3D_FRAME_PACKING }
3722 };
3723
3724 static bool
3725 stereo_match_mandatory(const struct drm_display_mode *mode,
3726                        const struct stereo_mandatory_mode *stereo_mode)
3727 {
3728         unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
3729
3730         return mode->hdisplay == stereo_mode->width &&
3731                mode->vdisplay == stereo_mode->height &&
3732                interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
3733                drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
3734 }
3735
3736 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
3737 {
3738         struct drm_device *dev = connector->dev;
3739         const struct drm_display_mode *mode;
3740         struct list_head stereo_modes;
3741         int modes = 0, i;
3742
3743         INIT_LIST_HEAD(&stereo_modes);
3744
3745         list_for_each_entry(mode, &connector->probed_modes, head) {
3746                 for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
3747                         const struct stereo_mandatory_mode *mandatory;
3748                         struct drm_display_mode *new_mode;
3749
3750                         if (!stereo_match_mandatory(mode,
3751                                                     &stereo_mandatory_modes[i]))
3752                                 continue;
3753
3754                         mandatory = &stereo_mandatory_modes[i];
3755                         new_mode = drm_mode_duplicate(dev, mode);
3756                         if (!new_mode)
3757                                 continue;
3758
3759                         new_mode->flags |= mandatory->flags;
3760                         list_add_tail(&new_mode->head, &stereo_modes);
3761                         modes++;
3762                 }
3763         }
3764
3765         list_splice_tail(&stereo_modes, &connector->probed_modes);
3766
3767         return modes;
3768 }
3769
3770 static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
3771 {
3772         struct drm_device *dev = connector->dev;
3773         struct drm_display_mode *newmode;
3774
3775         if (!drm_valid_hdmi_vic(vic)) {
3776                 DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
3777                 return 0;
3778         }
3779
3780         newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
3781         if (!newmode)
3782                 return 0;
3783
3784         drm_mode_probed_add(connector, newmode);
3785
3786         return 1;
3787 }
3788
3789 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
3790                                const u8 *video_db, u8 video_len, u8 video_index)
3791 {
3792         struct drm_display_mode *newmode;
3793         int modes = 0;
3794
3795         if (structure & (1 << 0)) {
3796                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3797                                                           video_len,
3798                                                           video_index);
3799                 if (newmode) {
3800                         newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
3801                         drm_mode_probed_add(connector, newmode);
3802                         modes++;
3803                 }
3804         }
3805         if (structure & (1 << 6)) {
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_TOP_AND_BOTTOM;
3811                         drm_mode_probed_add(connector, newmode);
3812                         modes++;
3813                 }
3814         }
3815         if (structure & (1 << 8)) {
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_SIDE_BY_SIDE_HALF;
3821                         drm_mode_probed_add(connector, newmode);
3822                         modes++;
3823                 }
3824         }
3825
3826         return modes;
3827 }
3828
3829 /*
3830  * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
3831  * @connector: connector corresponding to the HDMI sink
3832  * @db: start of the CEA vendor specific block
3833  * @len: length of the CEA block payload, ie. one can access up to db[len]
3834  *
3835  * Parses the HDMI VSDB looking for modes to add to @connector. This function
3836  * also adds the stereo 3d modes when applicable.
3837  */
3838 static int
3839 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
3840                    const u8 *video_db, u8 video_len)
3841 {
3842         struct drm_display_info *info = &connector->display_info;
3843         int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3844         u8 vic_len, hdmi_3d_len = 0;
3845         u16 mask;
3846         u16 structure_all;
3847
3848         if (len < 8)
3849                 goto out;
3850
3851         /* no HDMI_Video_Present */
3852         if (!(db[8] & (1 << 5)))
3853                 goto out;
3854
3855         /* Latency_Fields_Present */
3856         if (db[8] & (1 << 7))
3857                 offset += 2;
3858
3859         /* I_Latency_Fields_Present */
3860         if (db[8] & (1 << 6))
3861                 offset += 2;
3862
3863         /* the declared length is not long enough for the 2 first bytes
3864          * of additional video format capabilities */
3865         if (len < (8 + offset + 2))
3866                 goto out;
3867
3868         /* 3D_Present */
3869         offset++;
3870         if (db[8 + offset] & (1 << 7)) {
3871                 modes += add_hdmi_mandatory_stereo_modes(connector);
3872
3873                 /* 3D_Multi_present */
3874                 multi_present = (db[8 + offset] & 0x60) >> 5;
3875         }
3876
3877         offset++;
3878         vic_len = db[8 + offset] >> 5;
3879         hdmi_3d_len = db[8 + offset] & 0x1f;
3880
3881         for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
3882                 u8 vic;
3883
3884                 vic = db[9 + offset + i];
3885                 modes += add_hdmi_mode(connector, vic);
3886         }
3887         offset += 1 + vic_len;
3888
3889         if (multi_present == 1)
3890                 multi_len = 2;
3891         else if (multi_present == 2)
3892                 multi_len = 4;
3893         else
3894                 multi_len = 0;
3895
3896         if (len < (8 + offset + hdmi_3d_len - 1))
3897                 goto out;
3898
3899         if (hdmi_3d_len < multi_len)
3900                 goto out;
3901
3902         if (multi_present == 1 || multi_present == 2) {
3903                 /* 3D_Structure_ALL */
3904                 structure_all = (db[8 + offset] << 8) | db[9 + offset];
3905
3906                 /* check if 3D_MASK is present */
3907                 if (multi_present == 2)
3908                         mask = (db[10 + offset] << 8) | db[11 + offset];
3909                 else
3910                         mask = 0xffff;
3911
3912                 for (i = 0; i < 16; i++) {
3913                         if (mask & (1 << i))
3914                                 modes += add_3d_struct_modes(connector,
3915                                                 structure_all,
3916                                                 video_db,
3917                                                 video_len, i);
3918                 }
3919         }
3920
3921         offset += multi_len;
3922
3923         for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
3924                 int vic_index;
3925                 struct drm_display_mode *newmode = NULL;
3926                 unsigned int newflag = 0;
3927                 bool detail_present;
3928
3929                 detail_present = ((db[8 + offset + i] & 0x0f) > 7);
3930
3931                 if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
3932                         break;
3933
3934                 /* 2D_VIC_order_X */
3935                 vic_index = db[8 + offset + i] >> 4;
3936
3937                 /* 3D_Structure_X */
3938                 switch (db[8 + offset + i] & 0x0f) {
3939                 case 0:
3940                         newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
3941                         break;
3942                 case 6:
3943                         newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3944                         break;
3945                 case 8:
3946                         /* 3D_Detail_X */
3947                         if ((db[9 + offset + i] >> 4) == 1)
3948                                 newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3949                         break;
3950                 }
3951
3952                 if (newflag != 0) {
3953                         newmode = drm_display_mode_from_vic_index(connector,
3954                                                                   video_db,
3955                                                                   video_len,
3956                                                                   vic_index);
3957
3958                         if (newmode) {
3959                                 newmode->flags |= newflag;
3960                                 drm_mode_probed_add(connector, newmode);
3961                                 modes++;
3962                         }
3963                 }
3964
3965                 if (detail_present)
3966                         i++;
3967         }
3968
3969 out:
3970         if (modes > 0)
3971                 info->has_hdmi_infoframe = true;
3972         return modes;
3973 }
3974
3975 static int
3976 cea_db_payload_len(const u8 *db)
3977 {
3978         return db[0] & 0x1f;
3979 }
3980
3981 static int
3982 cea_db_extended_tag(const u8 *db)
3983 {
3984         return db[1];
3985 }
3986
3987 static int
3988 cea_db_tag(const u8 *db)
3989 {
3990         return db[0] >> 5;
3991 }
3992
3993 static int
3994 cea_revision(const u8 *cea)
3995 {
3996         /*
3997          * FIXME is this correct for the DispID variant?
3998          * The DispID spec doesn't really specify whether
3999          * this is the revision of the CEA extension or
4000          * the DispID CEA data block. And the only value
4001          * given as an example is 0.
4002          */
4003         return cea[1];
4004 }
4005
4006 static int
4007 cea_db_offsets(const u8 *cea, int *start, int *end)
4008 {
4009         /* DisplayID CTA extension blocks and top-level CEA EDID
4010          * block header definitions differ in the following bytes:
4011          *   1) Byte 2 of the header specifies length differently,
4012          *   2) Byte 3 is only present in the CEA top level block.
4013          *
4014          * The different definitions for byte 2 follow.
4015          *
4016          * DisplayID CTA extension block defines byte 2 as:
4017          *   Number of payload bytes
4018          *
4019          * CEA EDID block defines byte 2 as:
4020          *   Byte number (decimal) within this block where the 18-byte
4021          *   DTDs begin. If no non-DTD data is present in this extension
4022          *   block, the value should be set to 04h (the byte after next).
4023          *   If set to 00h, there are no DTDs present in this block and
4024          *   no non-DTD data.
4025          */
4026         if (cea[0] == DATA_BLOCK_CTA) {
4027                 /*
4028                  * for_each_displayid_db() has already verified
4029                  * that these stay within expected bounds.
4030                  */
4031                 *start = 3;
4032                 *end = *start + cea[2];
4033         } else if (cea[0] == CEA_EXT) {
4034                 /* Data block offset in CEA extension block */
4035                 *start = 4;
4036                 *end = cea[2];
4037                 if (*end == 0)
4038                         *end = 127;
4039                 if (*end < 4 || *end > 127)
4040                         return -ERANGE;
4041         } else {
4042                 return -EOPNOTSUPP;
4043         }
4044
4045         return 0;
4046 }
4047
4048 static bool cea_db_is_hdmi_vsdb(const u8 *db)
4049 {
4050         int hdmi_id;
4051
4052         if (cea_db_tag(db) != VENDOR_BLOCK)
4053                 return false;
4054
4055         if (cea_db_payload_len(db) < 5)
4056                 return false;
4057
4058         hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
4059
4060         return hdmi_id == HDMI_IEEE_OUI;
4061 }
4062
4063 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
4064 {
4065         unsigned int oui;
4066
4067         if (cea_db_tag(db) != VENDOR_BLOCK)
4068                 return false;
4069
4070         if (cea_db_payload_len(db) < 7)
4071                 return false;
4072
4073         oui = db[3] << 16 | db[2] << 8 | db[1];
4074
4075         return oui == HDMI_FORUM_IEEE_OUI;
4076 }
4077
4078 static bool cea_db_is_vcdb(const u8 *db)
4079 {
4080         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4081                 return false;
4082
4083         if (cea_db_payload_len(db) != 2)
4084                 return false;
4085
4086         if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK)
4087                 return false;
4088
4089         return true;
4090 }
4091
4092 static bool cea_db_is_y420cmdb(const u8 *db)
4093 {
4094         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4095                 return false;
4096
4097         if (!cea_db_payload_len(db))
4098                 return false;
4099
4100         if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
4101                 return false;
4102
4103         return true;
4104 }
4105
4106 static bool cea_db_is_y420vdb(const u8 *db)
4107 {
4108         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4109                 return false;
4110
4111         if (!cea_db_payload_len(db))
4112                 return false;
4113
4114         if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
4115                 return false;
4116
4117         return true;
4118 }
4119
4120 #define for_each_cea_db(cea, i, start, end) \
4121         for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
4122
4123 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
4124                                       const u8 *db)
4125 {
4126         struct drm_display_info *info = &connector->display_info;
4127         struct drm_hdmi_info *hdmi = &info->hdmi;
4128         u8 map_len = cea_db_payload_len(db) - 1;
4129         u8 count;
4130         u64 map = 0;
4131
4132         if (map_len == 0) {
4133                 /* All CEA modes support ycbcr420 sampling also.*/
4134                 hdmi->y420_cmdb_map = U64_MAX;
4135                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4136                 return;
4137         }
4138
4139         /*
4140          * This map indicates which of the existing CEA block modes
4141          * from VDB can support YCBCR420 output too. So if bit=0 is
4142          * set, first mode from VDB can support YCBCR420 output too.
4143          * We will parse and keep this map, before parsing VDB itself
4144          * to avoid going through the same block again and again.
4145          *
4146          * Spec is not clear about max possible size of this block.
4147          * Clamping max bitmap block size at 8 bytes. Every byte can
4148          * address 8 CEA modes, in this way this map can address
4149          * 8*8 = first 64 SVDs.
4150          */
4151         if (WARN_ON_ONCE(map_len > 8))
4152                 map_len = 8;
4153
4154         for (count = 0; count < map_len; count++)
4155                 map |= (u64)db[2 + count] << (8 * count);
4156
4157         if (map)
4158                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4159
4160         hdmi->y420_cmdb_map = map;
4161 }
4162
4163 static int
4164 add_cea_modes(struct drm_connector *connector, struct edid *edid)
4165 {
4166         const u8 *cea = drm_find_cea_extension(edid);
4167         const u8 *db, *hdmi = NULL, *video = NULL;
4168         u8 dbl, hdmi_len, video_len = 0;
4169         int modes = 0;
4170
4171         if (cea && cea_revision(cea) >= 3) {
4172                 int i, start, end;
4173
4174                 if (cea_db_offsets(cea, &start, &end))
4175                         return 0;
4176
4177                 for_each_cea_db(cea, i, start, end) {
4178                         db = &cea[i];
4179                         dbl = cea_db_payload_len(db);
4180
4181                         if (cea_db_tag(db) == VIDEO_BLOCK) {
4182                                 video = db + 1;
4183                                 video_len = dbl;
4184                                 modes += do_cea_modes(connector, video, dbl);
4185                         } else if (cea_db_is_hdmi_vsdb(db)) {
4186                                 hdmi = db;
4187                                 hdmi_len = dbl;
4188                         } else if (cea_db_is_y420vdb(db)) {
4189                                 const u8 *vdb420 = &db[2];
4190
4191                                 /* Add 4:2:0(only) modes present in EDID */
4192                                 modes += do_y420vdb_modes(connector,
4193                                                           vdb420,
4194                                                           dbl - 1);
4195                         }
4196                 }
4197         }
4198
4199         /*
4200          * We parse the HDMI VSDB after having added the cea modes as we will
4201          * be patching their flags when the sink supports stereo 3D.
4202          */
4203         if (hdmi)
4204                 modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
4205                                             video_len);
4206
4207         return modes;
4208 }
4209
4210 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
4211 {
4212         const struct drm_display_mode *cea_mode;
4213         int clock1, clock2, clock;
4214         u8 vic;
4215         const char *type;
4216
4217         /*
4218          * allow 5kHz clock difference either way to account for
4219          * the 10kHz clock resolution limit of detailed timings.
4220          */
4221         vic = drm_match_cea_mode_clock_tolerance(mode, 5);
4222         if (drm_valid_cea_vic(vic)) {
4223                 type = "CEA";
4224                 cea_mode = cea_mode_for_vic(vic);
4225                 clock1 = cea_mode->clock;
4226                 clock2 = cea_mode_alternate_clock(cea_mode);
4227         } else {
4228                 vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
4229                 if (drm_valid_hdmi_vic(vic)) {
4230                         type = "HDMI";
4231                         cea_mode = &edid_4k_modes[vic];
4232                         clock1 = cea_mode->clock;
4233                         clock2 = hdmi_mode_alternate_clock(cea_mode);
4234                 } else {
4235                         return;
4236                 }
4237         }
4238
4239         /* pick whichever is closest */
4240         if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
4241                 clock = clock1;
4242         else
4243                 clock = clock2;
4244
4245         if (mode->clock == clock)
4246                 return;
4247
4248         DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
4249                   type, vic, mode->clock, clock);
4250         mode->clock = clock;
4251 }
4252
4253 static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db)
4254 {
4255         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4256                 return false;
4257
4258         if (db[1] != HDR_STATIC_METADATA_BLOCK)
4259                 return false;
4260
4261         if (cea_db_payload_len(db) < 3)
4262                 return false;
4263
4264         return true;
4265 }
4266
4267 static uint8_t eotf_supported(const u8 *edid_ext)
4268 {
4269         return edid_ext[2] &
4270                 (BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
4271                  BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
4272                  BIT(HDMI_EOTF_SMPTE_ST2084) |
4273                  BIT(HDMI_EOTF_BT_2100_HLG));
4274 }
4275
4276 static uint8_t hdr_metadata_type(const u8 *edid_ext)
4277 {
4278         return edid_ext[3] &
4279                 BIT(HDMI_STATIC_METADATA_TYPE1);
4280 }
4281
4282 static void
4283 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
4284 {
4285         u16 len;
4286
4287         len = cea_db_payload_len(db);
4288
4289         connector->hdr_sink_metadata.hdmi_type1.eotf =
4290                                                 eotf_supported(db);
4291         connector->hdr_sink_metadata.hdmi_type1.metadata_type =
4292                                                 hdr_metadata_type(db);
4293
4294         if (len >= 4)
4295                 connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
4296         if (len >= 5)
4297                 connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
4298         if (len >= 6)
4299                 connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
4300 }
4301
4302 static void
4303 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
4304 {
4305         u8 len = cea_db_payload_len(db);
4306
4307         if (len >= 6 && (db[6] & (1 << 7)))
4308                 connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
4309         if (len >= 8) {
4310                 connector->latency_present[0] = db[8] >> 7;
4311                 connector->latency_present[1] = (db[8] >> 6) & 1;
4312         }
4313         if (len >= 9)
4314                 connector->video_latency[0] = db[9];
4315         if (len >= 10)
4316                 connector->audio_latency[0] = db[10];
4317         if (len >= 11)
4318                 connector->video_latency[1] = db[11];
4319         if (len >= 12)
4320                 connector->audio_latency[1] = db[12];
4321
4322         DRM_DEBUG_KMS("HDMI: latency present %d %d, "
4323                       "video latency %d %d, "
4324                       "audio latency %d %d\n",
4325                       connector->latency_present[0],
4326                       connector->latency_present[1],
4327                       connector->video_latency[0],
4328                       connector->video_latency[1],
4329                       connector->audio_latency[0],
4330                       connector->audio_latency[1]);
4331 }
4332
4333 static void
4334 monitor_name(struct detailed_timing *t, void *data)
4335 {
4336         if (!is_display_descriptor((const u8 *)t, EDID_DETAIL_MONITOR_NAME))
4337                 return;
4338
4339         *(u8 **)data = t->data.other_data.data.str.str;
4340 }
4341
4342 static int get_monitor_name(struct edid *edid, char name[13])
4343 {
4344         char *edid_name = NULL;
4345         int mnl;
4346
4347         if (!edid || !name)
4348                 return 0;
4349
4350         drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
4351         for (mnl = 0; edid_name && mnl < 13; mnl++) {
4352                 if (edid_name[mnl] == 0x0a)
4353                         break;
4354
4355                 name[mnl] = edid_name[mnl];
4356         }
4357
4358         return mnl;
4359 }
4360
4361 /**
4362  * drm_edid_get_monitor_name - fetch the monitor name from the edid
4363  * @edid: monitor EDID information
4364  * @name: pointer to a character array to hold the name of the monitor
4365  * @bufsize: The size of the name buffer (should be at least 14 chars.)
4366  *
4367  */
4368 void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
4369 {
4370         int name_length;
4371         char buf[13];
4372
4373         if (bufsize <= 0)
4374                 return;
4375
4376         name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4377         memcpy(name, buf, name_length);
4378         name[name_length] = '\0';
4379 }
4380 EXPORT_SYMBOL(drm_edid_get_monitor_name);
4381
4382 static void clear_eld(struct drm_connector *connector)
4383 {
4384         memset(connector->eld, 0, sizeof(connector->eld));
4385
4386         connector->latency_present[0] = false;
4387         connector->latency_present[1] = false;
4388         connector->video_latency[0] = 0;
4389         connector->audio_latency[0] = 0;
4390         connector->video_latency[1] = 0;
4391         connector->audio_latency[1] = 0;
4392 }
4393
4394 /*
4395  * drm_edid_to_eld - build ELD from EDID
4396  * @connector: connector corresponding to the HDMI/DP sink
4397  * @edid: EDID to parse
4398  *
4399  * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4400  * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4401  */
4402 static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
4403 {
4404         uint8_t *eld = connector->eld;
4405         u8 *cea;
4406         u8 *db;
4407         int total_sad_count = 0;
4408         int mnl;
4409         int dbl;
4410
4411         clear_eld(connector);
4412
4413         if (!edid)
4414                 return;
4415
4416         cea = drm_find_cea_extension(edid);
4417         if (!cea) {
4418                 DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4419                 return;
4420         }
4421
4422         mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4423         DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4424
4425         eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4426         eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4427
4428         eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4429
4430         eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4431         eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4432         eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4433         eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4434
4435         if (cea_revision(cea) >= 3) {
4436                 int i, start, end;
4437                 int sad_count;
4438
4439                 if (cea_db_offsets(cea, &start, &end)) {
4440                         start = 0;
4441                         end = 0;
4442                 }
4443
4444                 for_each_cea_db(cea, i, start, end) {
4445                         db = &cea[i];
4446                         dbl = cea_db_payload_len(db);
4447
4448                         switch (cea_db_tag(db)) {
4449                         case AUDIO_BLOCK:
4450                                 /* Audio Data Block, contains SADs */
4451                                 sad_count = min(dbl / 3, 15 - total_sad_count);
4452                                 if (sad_count >= 1)
4453                                         memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4454                                                &db[1], sad_count * 3);
4455                                 total_sad_count += sad_count;
4456                                 break;
4457                         case SPEAKER_BLOCK:
4458                                 /* Speaker Allocation Data Block */
4459                                 if (dbl >= 1)
4460                                         eld[DRM_ELD_SPEAKER] = db[1];
4461                                 break;
4462                         case VENDOR_BLOCK:
4463                                 /* HDMI Vendor-Specific Data Block */
4464                                 if (cea_db_is_hdmi_vsdb(db))
4465                                         drm_parse_hdmi_vsdb_audio(connector, db);
4466                                 break;
4467                         default:
4468                                 break;
4469                         }
4470                 }
4471         }
4472         eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4473
4474         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4475             connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4476                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4477         else
4478                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4479
4480         eld[DRM_ELD_BASELINE_ELD_LEN] =
4481                 DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4482
4483         DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4484                       drm_eld_size(eld), total_sad_count);
4485 }
4486
4487 /**
4488  * drm_edid_to_sad - extracts SADs from EDID
4489  * @edid: EDID to parse
4490  * @sads: pointer that will be set to the extracted SADs
4491  *
4492  * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4493  *
4494  * Note: The returned pointer needs to be freed using kfree().
4495  *
4496  * Return: The number of found SADs or negative number on error.
4497  */
4498 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
4499 {
4500         int count = 0;
4501         int i, start, end, dbl;
4502         u8 *cea;
4503
4504         cea = drm_find_cea_extension(edid);
4505         if (!cea) {
4506                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4507                 return 0;
4508         }
4509
4510         if (cea_revision(cea) < 3) {
4511                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4512                 return 0;
4513         }
4514
4515         if (cea_db_offsets(cea, &start, &end)) {
4516                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4517                 return -EPROTO;
4518         }
4519
4520         for_each_cea_db(cea, i, start, end) {
4521                 u8 *db = &cea[i];
4522
4523                 if (cea_db_tag(db) == AUDIO_BLOCK) {
4524                         int j;
4525                         dbl = cea_db_payload_len(db);
4526
4527                         count = dbl / 3; /* SAD is 3B */
4528                         *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4529                         if (!*sads)
4530                                 return -ENOMEM;
4531                         for (j = 0; j < count; j++) {
4532                                 u8 *sad = &db[1 + j * 3];
4533
4534                                 (*sads)[j].format = (sad[0] & 0x78) >> 3;
4535                                 (*sads)[j].channels = sad[0] & 0x7;
4536                                 (*sads)[j].freq = sad[1] & 0x7F;
4537                                 (*sads)[j].byte2 = sad[2];
4538                         }
4539                         break;
4540                 }
4541         }
4542
4543         return count;
4544 }
4545 EXPORT_SYMBOL(drm_edid_to_sad);
4546
4547 /**
4548  * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4549  * @edid: EDID to parse
4550  * @sadb: pointer to the speaker block
4551  *
4552  * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4553  *
4554  * Note: The returned pointer needs to be freed using kfree().
4555  *
4556  * Return: The number of found Speaker Allocation Blocks or negative number on
4557  * error.
4558  */
4559 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
4560 {
4561         int count = 0;
4562         int i, start, end, dbl;
4563         const u8 *cea;
4564
4565         cea = drm_find_cea_extension(edid);
4566         if (!cea) {
4567                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4568                 return 0;
4569         }
4570
4571         if (cea_revision(cea) < 3) {
4572                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4573                 return 0;
4574         }
4575
4576         if (cea_db_offsets(cea, &start, &end)) {
4577                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4578                 return -EPROTO;
4579         }
4580
4581         for_each_cea_db(cea, i, start, end) {
4582                 const u8 *db = &cea[i];
4583
4584                 if (cea_db_tag(db) == SPEAKER_BLOCK) {
4585                         dbl = cea_db_payload_len(db);
4586
4587                         /* Speaker Allocation Data Block */
4588                         if (dbl == 3) {
4589                                 *sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4590                                 if (!*sadb)
4591                                         return -ENOMEM;
4592                                 count = dbl;
4593                                 break;
4594                         }
4595                 }
4596         }
4597
4598         return count;
4599 }
4600 EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4601
4602 /**
4603  * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4604  * @connector: connector associated with the HDMI/DP sink
4605  * @mode: the display mode
4606  *
4607  * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4608  * the sink doesn't support audio or video.
4609  */
4610 int drm_av_sync_delay(struct drm_connector *connector,
4611                       const struct drm_display_mode *mode)
4612 {
4613         int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4614         int a, v;
4615
4616         if (!connector->latency_present[0])
4617                 return 0;
4618         if (!connector->latency_present[1])
4619                 i = 0;
4620
4621         a = connector->audio_latency[i];
4622         v = connector->video_latency[i];
4623
4624         /*
4625          * HDMI/DP sink doesn't support audio or video?
4626          */
4627         if (a == 255 || v == 255)
4628                 return 0;
4629
4630         /*
4631          * Convert raw EDID values to millisecond.
4632          * Treat unknown latency as 0ms.
4633          */
4634         if (a)
4635                 a = min(2 * (a - 1), 500);
4636         if (v)
4637                 v = min(2 * (v - 1), 500);
4638
4639         return max(v - a, 0);
4640 }
4641 EXPORT_SYMBOL(drm_av_sync_delay);
4642
4643 /**
4644  * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4645  * @edid: monitor EDID information
4646  *
4647  * Parse the CEA extension according to CEA-861-B.
4648  *
4649  * Drivers that have added the modes parsed from EDID to drm_display_info
4650  * should use &drm_display_info.is_hdmi instead of calling this function.
4651  *
4652  * Return: True if the monitor is HDMI, false if not or unknown.
4653  */
4654 bool drm_detect_hdmi_monitor(struct edid *edid)
4655 {
4656         u8 *edid_ext;
4657         int i;
4658         int start_offset, end_offset;
4659
4660         edid_ext = drm_find_cea_extension(edid);
4661         if (!edid_ext)
4662                 return false;
4663
4664         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4665                 return false;
4666
4667         /*
4668          * Because HDMI identifier is in Vendor Specific Block,
4669          * search it from all data blocks of CEA extension.
4670          */
4671         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4672                 if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4673                         return true;
4674         }
4675
4676         return false;
4677 }
4678 EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4679
4680 /**
4681  * drm_detect_monitor_audio - check monitor audio capability
4682  * @edid: EDID block to scan
4683  *
4684  * Monitor should have CEA extension block.
4685  * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
4686  * audio' only. If there is any audio extension block and supported
4687  * audio format, assume at least 'basic audio' support, even if 'basic
4688  * audio' is not defined in EDID.
4689  *
4690  * Return: True if the monitor supports audio, false otherwise.
4691  */
4692 bool drm_detect_monitor_audio(struct edid *edid)
4693 {
4694         u8 *edid_ext;
4695         int i, j;
4696         bool has_audio = false;
4697         int start_offset, end_offset;
4698
4699         edid_ext = drm_find_cea_extension(edid);
4700         if (!edid_ext)
4701                 goto end;
4702
4703         has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0);
4704
4705         if (has_audio) {
4706                 DRM_DEBUG_KMS("Monitor has basic audio support\n");
4707                 goto end;
4708         }
4709
4710         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4711                 goto end;
4712
4713         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4714                 if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4715                         has_audio = true;
4716                         for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4717                                 DRM_DEBUG_KMS("CEA audio format %d\n",
4718                                               (edid_ext[i + j] >> 3) & 0xf);
4719                         goto end;
4720                 }
4721         }
4722 end:
4723         return has_audio;
4724 }
4725 EXPORT_SYMBOL(drm_detect_monitor_audio);
4726
4727
4728 /**
4729  * drm_default_rgb_quant_range - default RGB quantization range
4730  * @mode: display mode
4731  *
4732  * Determine the default RGB quantization range for the mode,
4733  * as specified in CEA-861.
4734  *
4735  * Return: The default RGB quantization range for the mode
4736  */
4737 enum hdmi_quantization_range
4738 drm_default_rgb_quant_range(const struct drm_display_mode *mode)
4739 {
4740         /* All CEA modes other than VIC 1 use limited quantization range. */
4741         return drm_match_cea_mode(mode) > 1 ?
4742                 HDMI_QUANTIZATION_RANGE_LIMITED :
4743                 HDMI_QUANTIZATION_RANGE_FULL;
4744 }
4745 EXPORT_SYMBOL(drm_default_rgb_quant_range);
4746
4747 static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
4748 {
4749         struct drm_display_info *info = &connector->display_info;
4750
4751         DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]);
4752
4753         if (db[2] & EDID_CEA_VCDB_QS)
4754                 info->rgb_quant_range_selectable = true;
4755 }
4756
4757 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4758                                                const u8 *db)
4759 {
4760         u8 dc_mask;
4761         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4762
4763         dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4764         hdmi->y420_dc_modes = dc_mask;
4765 }
4766
4767 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4768                                  const u8 *hf_vsdb)
4769 {
4770         struct drm_display_info *display = &connector->display_info;
4771         struct drm_hdmi_info *hdmi = &display->hdmi;
4772
4773         display->has_hdmi_infoframe = true;
4774
4775         if (hf_vsdb[6] & 0x80) {
4776                 hdmi->scdc.supported = true;
4777                 if (hf_vsdb[6] & 0x40)
4778                         hdmi->scdc.read_request = true;
4779         }
4780
4781         /*
4782          * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4783          * And as per the spec, three factors confirm this:
4784          * * Availability of a HF-VSDB block in EDID (check)
4785          * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4786          * * SCDC support available (let's check)
4787          * Lets check it out.
4788          */
4789
4790         if (hf_vsdb[5]) {
4791                 /* max clock is 5000 KHz times block value */
4792                 u32 max_tmds_clock = hf_vsdb[5] * 5000;
4793                 struct drm_scdc *scdc = &hdmi->scdc;
4794
4795                 if (max_tmds_clock > 340000) {
4796                         display->max_tmds_clock = max_tmds_clock;
4797                         DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4798                                 display->max_tmds_clock);
4799                 }
4800
4801                 if (scdc->supported) {
4802                         scdc->scrambling.supported = true;
4803
4804                         /* Few sinks support scrambling for clocks < 340M */
4805                         if ((hf_vsdb[6] & 0x8))
4806                                 scdc->scrambling.low_rates = true;
4807                 }
4808         }
4809
4810         drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
4811 }
4812
4813 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
4814                                            const u8 *hdmi)
4815 {
4816         struct drm_display_info *info = &connector->display_info;
4817         unsigned int dc_bpc = 0;
4818
4819         /* HDMI supports at least 8 bpc */
4820         info->bpc = 8;
4821
4822         if (cea_db_payload_len(hdmi) < 6)
4823                 return;
4824
4825         if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
4826                 dc_bpc = 10;
4827                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
4828                 DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
4829                           connector->name);
4830         }
4831
4832         if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
4833                 dc_bpc = 12;
4834                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
4835                 DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
4836                           connector->name);
4837         }
4838
4839         if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
4840                 dc_bpc = 16;
4841                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
4842                 DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
4843                           connector->name);
4844         }
4845
4846         if (dc_bpc == 0) {
4847                 DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
4848                           connector->name);
4849                 return;
4850         }
4851
4852         DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
4853                   connector->name, dc_bpc);
4854         info->bpc = dc_bpc;
4855
4856         /*
4857          * Deep color support mandates RGB444 support for all video
4858          * modes and forbids YCRCB422 support for all video modes per
4859          * HDMI 1.3 spec.
4860          */
4861         info->color_formats = DRM_COLOR_FORMAT_RGB444;
4862
4863         /* YCRCB444 is optional according to spec. */
4864         if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
4865                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4866                 DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
4867                           connector->name);
4868         }
4869
4870         /*
4871          * Spec says that if any deep color mode is supported at all,
4872          * then deep color 36 bit must be supported.
4873          */
4874         if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
4875                 DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
4876                           connector->name);
4877         }
4878 }
4879
4880 static void
4881 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
4882 {
4883         struct drm_display_info *info = &connector->display_info;
4884         u8 len = cea_db_payload_len(db);
4885
4886         info->is_hdmi = true;
4887
4888         if (len >= 6)
4889                 info->dvi_dual = db[6] & 1;
4890         if (len >= 7)
4891                 info->max_tmds_clock = db[7] * 5000;
4892
4893         DRM_DEBUG_KMS("HDMI: DVI dual %d, "
4894                       "max TMDS clock %d kHz\n",
4895                       info->dvi_dual,
4896                       info->max_tmds_clock);
4897
4898         drm_parse_hdmi_deep_color_info(connector, db);
4899 }
4900
4901 static void drm_parse_cea_ext(struct drm_connector *connector,
4902                               const struct edid *edid)
4903 {
4904         struct drm_display_info *info = &connector->display_info;
4905         const u8 *edid_ext;
4906         int i, start, end;
4907
4908         edid_ext = drm_find_cea_extension(edid);
4909         if (!edid_ext)
4910                 return;
4911
4912         info->cea_rev = edid_ext[1];
4913
4914         /* The existence of a CEA block should imply RGB support */
4915         info->color_formats = DRM_COLOR_FORMAT_RGB444;
4916         if (edid_ext[3] & EDID_CEA_YCRCB444)
4917                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4918         if (edid_ext[3] & EDID_CEA_YCRCB422)
4919                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
4920
4921         if (cea_db_offsets(edid_ext, &start, &end))
4922                 return;
4923
4924         for_each_cea_db(edid_ext, i, start, end) {
4925                 const u8 *db = &edid_ext[i];
4926
4927                 if (cea_db_is_hdmi_vsdb(db))
4928                         drm_parse_hdmi_vsdb_video(connector, db);
4929                 if (cea_db_is_hdmi_forum_vsdb(db))
4930                         drm_parse_hdmi_forum_vsdb(connector, db);
4931                 if (cea_db_is_y420cmdb(db))
4932                         drm_parse_y420cmdb_bitmap(connector, db);
4933                 if (cea_db_is_vcdb(db))
4934                         drm_parse_vcdb(connector, db);
4935                 if (cea_db_is_hdmi_hdr_metadata_block(db))
4936                         drm_parse_hdr_metadata_block(connector, db);
4937         }
4938 }
4939
4940 static
4941 void get_monitor_range(struct detailed_timing *timing,
4942                        void *info_monitor_range)
4943 {
4944         struct drm_monitor_range_info *monitor_range = info_monitor_range;
4945         const struct detailed_non_pixel *data = &timing->data.other_data;
4946         const struct detailed_data_monitor_range *range = &data->data.range;
4947
4948         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
4949                 return;
4950
4951         /*
4952          * Check for flag range limits only. If flag == 1 then
4953          * no additional timing information provided.
4954          * Default GTF, GTF Secondary curve and CVT are not
4955          * supported
4956          */
4957         if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
4958                 return;
4959
4960         monitor_range->min_vfreq = range->min_vfreq;
4961         monitor_range->max_vfreq = range->max_vfreq;
4962 }
4963
4964 static
4965 void drm_get_monitor_range(struct drm_connector *connector,
4966                            const struct edid *edid)
4967 {
4968         struct drm_display_info *info = &connector->display_info;
4969
4970         if (!version_greater(edid, 1, 1))
4971                 return;
4972
4973         drm_for_each_detailed_block((u8 *)edid, get_monitor_range,
4974                                     &info->monitor_range);
4975
4976         DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
4977                       info->monitor_range.min_vfreq,
4978                       info->monitor_range.max_vfreq);
4979 }
4980
4981 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
4982  * all of the values which would have been set from EDID
4983  */
4984 void
4985 drm_reset_display_info(struct drm_connector *connector)
4986 {
4987         struct drm_display_info *info = &connector->display_info;
4988
4989         info->width_mm = 0;
4990         info->height_mm = 0;
4991
4992         info->bpc = 0;
4993         info->color_formats = 0;
4994         info->cea_rev = 0;
4995         info->max_tmds_clock = 0;
4996         info->dvi_dual = false;
4997         info->is_hdmi = false;
4998         info->has_hdmi_infoframe = false;
4999         info->rgb_quant_range_selectable = false;
5000         memset(&info->hdmi, 0, sizeof(info->hdmi));
5001
5002         info->non_desktop = 0;
5003         memset(&info->monitor_range, 0, sizeof(info->monitor_range));
5004 }
5005
5006 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
5007 {
5008         struct drm_display_info *info = &connector->display_info;
5009
5010         u32 quirks = edid_get_quirks(edid);
5011
5012         drm_reset_display_info(connector);
5013
5014         info->width_mm = edid->width_cm * 10;
5015         info->height_mm = edid->height_cm * 10;
5016
5017         info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
5018
5019         drm_get_monitor_range(connector, edid);
5020
5021         DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
5022
5023         if (edid->revision < 3)
5024                 return quirks;
5025
5026         if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
5027                 return quirks;
5028
5029         drm_parse_cea_ext(connector, edid);
5030
5031         /*
5032          * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
5033          *
5034          * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
5035          * tells us to assume 8 bpc color depth if the EDID doesn't have
5036          * extensions which tell otherwise.
5037          */
5038         if (info->bpc == 0 && edid->revision == 3 &&
5039             edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
5040                 info->bpc = 8;
5041                 DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
5042                           connector->name, info->bpc);
5043         }
5044
5045         /* Only defined for 1.4 with digital displays */
5046         if (edid->revision < 4)
5047                 return quirks;
5048
5049         switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
5050         case DRM_EDID_DIGITAL_DEPTH_6:
5051                 info->bpc = 6;
5052                 break;
5053         case DRM_EDID_DIGITAL_DEPTH_8:
5054                 info->bpc = 8;
5055                 break;
5056         case DRM_EDID_DIGITAL_DEPTH_10:
5057                 info->bpc = 10;
5058                 break;
5059         case DRM_EDID_DIGITAL_DEPTH_12:
5060                 info->bpc = 12;
5061                 break;
5062         case DRM_EDID_DIGITAL_DEPTH_14:
5063                 info->bpc = 14;
5064                 break;
5065         case DRM_EDID_DIGITAL_DEPTH_16:
5066                 info->bpc = 16;
5067                 break;
5068         case DRM_EDID_DIGITAL_DEPTH_UNDEF:
5069         default:
5070                 info->bpc = 0;
5071                 break;
5072         }
5073
5074         DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
5075                           connector->name, info->bpc);
5076
5077         info->color_formats |= DRM_COLOR_FORMAT_RGB444;
5078         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
5079                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5080         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
5081                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5082         return quirks;
5083 }
5084
5085 static int validate_displayid(u8 *displayid, int length, int idx)
5086 {
5087         int i;
5088         u8 csum = 0;
5089         struct displayid_hdr *base;
5090
5091         base = (struct displayid_hdr *)&displayid[idx];
5092
5093         DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n",
5094                       base->rev, base->bytes, base->prod_id, base->ext_count);
5095
5096         if (base->bytes + 5 > length - idx)
5097                 return -EINVAL;
5098         for (i = idx; i <= base->bytes + 5; i++) {
5099                 csum += displayid[i];
5100         }
5101         if (csum) {
5102                 DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum);
5103                 return -EINVAL;
5104         }
5105         return 0;
5106 }
5107
5108 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5109                                                             struct displayid_detailed_timings_1 *timings)
5110 {
5111         struct drm_display_mode *mode;
5112         unsigned pixel_clock = (timings->pixel_clock[0] |
5113                                 (timings->pixel_clock[1] << 8) |
5114                                 (timings->pixel_clock[2] << 16));
5115         unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5116         unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5117         unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5118         unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5119         unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5120         unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5121         unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5122         unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5123         bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5124         bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5125         mode = drm_mode_create(dev);
5126         if (!mode)
5127                 return NULL;
5128
5129         mode->clock = pixel_clock * 10;
5130         mode->hdisplay = hactive;
5131         mode->hsync_start = mode->hdisplay + hsync;
5132         mode->hsync_end = mode->hsync_start + hsync_width;
5133         mode->htotal = mode->hdisplay + hblank;
5134
5135         mode->vdisplay = vactive;
5136         mode->vsync_start = mode->vdisplay + vsync;
5137         mode->vsync_end = mode->vsync_start + vsync_width;
5138         mode->vtotal = mode->vdisplay + vblank;
5139
5140         mode->flags = 0;
5141         mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5142         mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5143         mode->type = DRM_MODE_TYPE_DRIVER;
5144
5145         if (timings->flags & 0x80)
5146                 mode->type |= DRM_MODE_TYPE_PREFERRED;
5147         mode->vrefresh = drm_mode_vrefresh(mode);
5148         drm_mode_set_name(mode);
5149
5150         return mode;
5151 }
5152
5153 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5154                                           struct displayid_block *block)
5155 {
5156         struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5157         int i;
5158         int num_timings;
5159         struct drm_display_mode *newmode;
5160         int num_modes = 0;
5161         /* blocks must be multiple of 20 bytes length */
5162         if (block->num_bytes % 20)
5163                 return 0;
5164
5165         num_timings = block->num_bytes / 20;
5166         for (i = 0; i < num_timings; i++) {
5167                 struct displayid_detailed_timings_1 *timings = &det->timings[i];
5168
5169                 newmode = drm_mode_displayid_detailed(connector->dev, timings);
5170                 if (!newmode)
5171                         continue;
5172
5173                 drm_mode_probed_add(connector, newmode);
5174                 num_modes++;
5175         }
5176         return num_modes;
5177 }
5178
5179 static int add_displayid_detailed_modes(struct drm_connector *connector,
5180                                         struct edid *edid)
5181 {
5182         u8 *displayid;
5183         int ret;
5184         int idx = 1;
5185         int length = EDID_LENGTH;
5186         struct displayid_block *block;
5187         int num_modes = 0;
5188
5189         displayid = drm_find_displayid_extension(edid);
5190         if (!displayid)
5191                 return 0;
5192
5193         ret = validate_displayid(displayid, length, idx);
5194         if (ret)
5195                 return 0;
5196
5197         idx += sizeof(struct displayid_hdr);
5198         for_each_displayid_db(displayid, block, idx, length) {
5199                 switch (block->tag) {
5200                 case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5201                         num_modes += add_displayid_detailed_1_modes(connector, block);
5202                         break;
5203                 }
5204         }
5205         return num_modes;
5206 }
5207
5208 /**
5209  * drm_add_edid_modes - add modes from EDID data, if available
5210  * @connector: connector we're probing
5211  * @edid: EDID data
5212  *
5213  * Add the specified modes to the connector's mode list. Also fills out the
5214  * &drm_display_info structure and ELD in @connector with any information which
5215  * can be derived from the edid.
5216  *
5217  * Return: The number of modes added or 0 if we couldn't find any.
5218  */
5219 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5220 {
5221         int num_modes = 0;
5222         u32 quirks;
5223
5224         if (edid == NULL) {
5225                 clear_eld(connector);
5226                 return 0;
5227         }
5228         if (!drm_edid_is_valid(edid)) {
5229                 clear_eld(connector);
5230                 dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
5231                          connector->name);
5232                 return 0;
5233         }
5234
5235         drm_edid_to_eld(connector, edid);
5236
5237         /*
5238          * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5239          * To avoid multiple parsing of same block, lets parse that map
5240          * from sink info, before parsing CEA modes.
5241          */
5242         quirks = drm_add_display_info(connector, edid);
5243
5244         /*
5245          * EDID spec says modes should be preferred in this order:
5246          * - preferred detailed mode
5247          * - other detailed modes from base block
5248          * - detailed modes from extension blocks
5249          * - CVT 3-byte code modes
5250          * - standard timing codes
5251          * - established timing codes
5252          * - modes inferred from GTF or CVT range information
5253          *
5254          * We get this pretty much right.
5255          *
5256          * XXX order for additional mode types in extension blocks?
5257          */
5258         num_modes += add_detailed_modes(connector, edid, quirks);
5259         num_modes += add_cvt_modes(connector, edid);
5260         num_modes += add_standard_modes(connector, edid);
5261         num_modes += add_established_modes(connector, edid);
5262         num_modes += add_cea_modes(connector, edid);
5263         num_modes += add_alternate_cea_modes(connector, edid);
5264         num_modes += add_displayid_detailed_modes(connector, edid);
5265         if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5266                 num_modes += add_inferred_modes(connector, edid);
5267
5268         if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5269                 edid_fixup_preferred(connector, quirks);
5270
5271         if (quirks & EDID_QUIRK_FORCE_6BPC)
5272                 connector->display_info.bpc = 6;
5273
5274         if (quirks & EDID_QUIRK_FORCE_8BPC)
5275                 connector->display_info.bpc = 8;
5276
5277         if (quirks & EDID_QUIRK_FORCE_10BPC)
5278                 connector->display_info.bpc = 10;
5279
5280         if (quirks & EDID_QUIRK_FORCE_12BPC)
5281                 connector->display_info.bpc = 12;
5282
5283         return num_modes;
5284 }
5285 EXPORT_SYMBOL(drm_add_edid_modes);
5286
5287 /**
5288  * drm_add_modes_noedid - add modes for the connectors without EDID
5289  * @connector: connector we're probing
5290  * @hdisplay: the horizontal display limit
5291  * @vdisplay: the vertical display limit
5292  *
5293  * Add the specified modes to the connector's mode list. Only when the
5294  * hdisplay/vdisplay is not beyond the given limit, it will be added.
5295  *
5296  * Return: The number of modes added or 0 if we couldn't find any.
5297  */
5298 int drm_add_modes_noedid(struct drm_connector *connector,
5299                         int hdisplay, int vdisplay)
5300 {
5301         int i, count, num_modes = 0;
5302         struct drm_display_mode *mode;
5303         struct drm_device *dev = connector->dev;
5304
5305         count = ARRAY_SIZE(drm_dmt_modes);
5306         if (hdisplay < 0)
5307                 hdisplay = 0;
5308         if (vdisplay < 0)
5309                 vdisplay = 0;
5310
5311         for (i = 0; i < count; i++) {
5312                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5313                 if (hdisplay && vdisplay) {
5314                         /*
5315                          * Only when two are valid, they will be used to check
5316                          * whether the mode should be added to the mode list of
5317                          * the connector.
5318                          */
5319                         if (ptr->hdisplay > hdisplay ||
5320                                         ptr->vdisplay > vdisplay)
5321                                 continue;
5322                 }
5323                 if (drm_mode_vrefresh(ptr) > 61)
5324                         continue;
5325                 mode = drm_mode_duplicate(dev, ptr);
5326                 if (mode) {
5327                         drm_mode_probed_add(connector, mode);
5328                         num_modes++;
5329                 }
5330         }
5331         return num_modes;
5332 }
5333 EXPORT_SYMBOL(drm_add_modes_noedid);
5334
5335 /**
5336  * drm_set_preferred_mode - Sets the preferred mode of a connector
5337  * @connector: connector whose mode list should be processed
5338  * @hpref: horizontal resolution of preferred mode
5339  * @vpref: vertical resolution of preferred mode
5340  *
5341  * Marks a mode as preferred if it matches the resolution specified by @hpref
5342  * and @vpref.
5343  */
5344 void drm_set_preferred_mode(struct drm_connector *connector,
5345                            int hpref, int vpref)
5346 {
5347         struct drm_display_mode *mode;
5348
5349         list_for_each_entry(mode, &connector->probed_modes, head) {
5350                 if (mode->hdisplay == hpref &&
5351                     mode->vdisplay == vpref)
5352                         mode->type |= DRM_MODE_TYPE_PREFERRED;
5353         }
5354 }
5355 EXPORT_SYMBOL(drm_set_preferred_mode);
5356
5357 static bool is_hdmi2_sink(struct drm_connector *connector)
5358 {
5359         /*
5360          * FIXME: sil-sii8620 doesn't have a connector around when
5361          * we need one, so we have to be prepared for a NULL connector.
5362          */
5363         if (!connector)
5364                 return true;
5365
5366         return connector->display_info.hdmi.scdc.supported ||
5367                 connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420;
5368 }
5369
5370 static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
5371 {
5372         return sink_eotf & BIT(output_eotf);
5373 }
5374
5375 /**
5376  * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
5377  *                                         HDR metadata from userspace
5378  * @frame: HDMI DRM infoframe
5379  * @conn_state: Connector state containing HDR metadata
5380  *
5381  * Return: 0 on success or a negative error code on failure.
5382  */
5383 int
5384 drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
5385                                     const struct drm_connector_state *conn_state)
5386 {
5387         struct drm_connector *connector;
5388         struct hdr_output_metadata *hdr_metadata;
5389         int err;
5390
5391         if (!frame || !conn_state)
5392                 return -EINVAL;
5393
5394         connector = conn_state->connector;
5395
5396         if (!conn_state->hdr_output_metadata)
5397                 return -EINVAL;
5398
5399         hdr_metadata = conn_state->hdr_output_metadata->data;
5400
5401         if (!hdr_metadata || !connector)
5402                 return -EINVAL;
5403
5404         /* Sink EOTF is Bit map while infoframe is absolute values */
5405         if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
5406             connector->hdr_sink_metadata.hdmi_type1.eotf)) {
5407                 DRM_DEBUG_KMS("EOTF Not Supported\n");
5408                 return -EINVAL;
5409         }
5410
5411         err = hdmi_drm_infoframe_init(frame);
5412         if (err < 0)
5413                 return err;
5414
5415         frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
5416         frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
5417
5418         BUILD_BUG_ON(sizeof(frame->display_primaries) !=
5419                      sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
5420         BUILD_BUG_ON(sizeof(frame->white_point) !=
5421                      sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
5422
5423         memcpy(&frame->display_primaries,
5424                &hdr_metadata->hdmi_metadata_type1.display_primaries,
5425                sizeof(frame->display_primaries));
5426
5427         memcpy(&frame->white_point,
5428                &hdr_metadata->hdmi_metadata_type1.white_point,
5429                sizeof(frame->white_point));
5430
5431         frame->max_display_mastering_luminance =
5432                 hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
5433         frame->min_display_mastering_luminance =
5434                 hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
5435         frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
5436         frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
5437
5438         return 0;
5439 }
5440 EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
5441
5442 static u8 drm_mode_hdmi_vic(struct drm_connector *connector,
5443                             const struct drm_display_mode *mode)
5444 {
5445         bool has_hdmi_infoframe = connector ?
5446                 connector->display_info.has_hdmi_infoframe : false;
5447
5448         if (!has_hdmi_infoframe)
5449                 return 0;
5450
5451         /* No HDMI VIC when signalling 3D video format */
5452         if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5453                 return 0;
5454
5455         return drm_match_hdmi_mode(mode);
5456 }
5457
5458 static u8 drm_mode_cea_vic(struct drm_connector *connector,
5459                            const struct drm_display_mode *mode)
5460 {
5461         u8 vic;
5462
5463         /*
5464          * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5465          * we should send its VIC in vendor infoframes, else send the
5466          * VIC in AVI infoframes. Lets check if this mode is present in
5467          * HDMI 1.4b 4K modes
5468          */
5469         if (drm_mode_hdmi_vic(connector, mode))
5470                 return 0;
5471
5472         vic = drm_match_cea_mode(mode);
5473
5474         /*
5475          * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5476          * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5477          * have to make sure we dont break HDMI 1.4 sinks.
5478          */
5479         if (!is_hdmi2_sink(connector) && vic > 64)
5480                 return 0;
5481
5482         return vic;
5483 }
5484
5485 /**
5486  * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5487  *                                              data from a DRM display mode
5488  * @frame: HDMI AVI infoframe
5489  * @connector: the connector
5490  * @mode: DRM display mode
5491  *
5492  * Return: 0 on success or a negative error code on failure.
5493  */
5494 int
5495 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5496                                          struct drm_connector *connector,
5497                                          const struct drm_display_mode *mode)
5498 {
5499         enum hdmi_picture_aspect picture_aspect;
5500         u8 vic, hdmi_vic;
5501
5502         if (!frame || !mode)
5503                 return -EINVAL;
5504
5505         hdmi_avi_infoframe_init(frame);
5506
5507         if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5508                 frame->pixel_repeat = 1;
5509
5510         vic = drm_mode_cea_vic(connector, mode);
5511         hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5512
5513         frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5514
5515         /*
5516          * As some drivers don't support atomic, we can't use connector state.
5517          * So just initialize the frame with default values, just the same way
5518          * as it's done with other properties here.
5519          */
5520         frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5521         frame->itc = 0;
5522
5523         /*
5524          * Populate picture aspect ratio from either
5525          * user input (if specified) or from the CEA/HDMI mode lists.
5526          */
5527         picture_aspect = mode->picture_aspect_ratio;
5528         if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5529                 if (vic)
5530                         picture_aspect = drm_get_cea_aspect_ratio(vic);
5531                 else if (hdmi_vic)
5532                         picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5533         }
5534
5535         /*
5536          * The infoframe can't convey anything but none, 4:3
5537          * and 16:9, so if the user has asked for anything else
5538          * we can only satisfy it by specifying the right VIC.
5539          */
5540         if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5541                 if (vic) {
5542                         if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5543                                 return -EINVAL;
5544                 } else if (hdmi_vic) {
5545                         if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5546                                 return -EINVAL;
5547                 } else {
5548                         return -EINVAL;
5549                 }
5550
5551                 picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5552         }
5553
5554         frame->video_code = vic;
5555         frame->picture_aspect = picture_aspect;
5556         frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5557         frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5558
5559         return 0;
5560 }
5561 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5562
5563 /* HDMI Colorspace Spec Definitions */
5564 #define FULL_COLORIMETRY_MASK           0x1FF
5565 #define NORMAL_COLORIMETRY_MASK         0x3
5566 #define EXTENDED_COLORIMETRY_MASK       0x7
5567 #define EXTENDED_ACE_COLORIMETRY_MASK   0xF
5568
5569 #define C(x) ((x) << 0)
5570 #define EC(x) ((x) << 2)
5571 #define ACE(x) ((x) << 5)
5572
5573 #define HDMI_COLORIMETRY_NO_DATA                0x0
5574 #define HDMI_COLORIMETRY_SMPTE_170M_YCC         (C(1) | EC(0) | ACE(0))
5575 #define HDMI_COLORIMETRY_BT709_YCC              (C(2) | EC(0) | ACE(0))
5576 #define HDMI_COLORIMETRY_XVYCC_601              (C(3) | EC(0) | ACE(0))
5577 #define HDMI_COLORIMETRY_XVYCC_709              (C(3) | EC(1) | ACE(0))
5578 #define HDMI_COLORIMETRY_SYCC_601               (C(3) | EC(2) | ACE(0))
5579 #define HDMI_COLORIMETRY_OPYCC_601              (C(3) | EC(3) | ACE(0))
5580 #define HDMI_COLORIMETRY_OPRGB                  (C(3) | EC(4) | ACE(0))
5581 #define HDMI_COLORIMETRY_BT2020_CYCC            (C(3) | EC(5) | ACE(0))
5582 #define HDMI_COLORIMETRY_BT2020_RGB             (C(3) | EC(6) | ACE(0))
5583 #define HDMI_COLORIMETRY_BT2020_YCC             (C(3) | EC(6) | ACE(0))
5584 #define HDMI_COLORIMETRY_DCI_P3_RGB_D65         (C(3) | EC(7) | ACE(0))
5585 #define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER     (C(3) | EC(7) | ACE(1))
5586
5587 static const u32 hdmi_colorimetry_val[] = {
5588         [DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
5589         [DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
5590         [DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
5591         [DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
5592         [DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
5593         [DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
5594         [DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
5595         [DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
5596         [DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
5597         [DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
5598         [DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
5599 };
5600
5601 #undef C
5602 #undef EC
5603 #undef ACE
5604
5605 /**
5606  * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe
5607  *                                       colorspace information
5608  * @frame: HDMI AVI infoframe
5609  * @conn_state: connector state
5610  */
5611 void
5612 drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
5613                                   const struct drm_connector_state *conn_state)
5614 {
5615         u32 colorimetry_val;
5616         u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
5617
5618         if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
5619                 colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
5620         else
5621                 colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
5622
5623         frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
5624         /*
5625          * ToDo: Extend it for ACE formats as well. Modify the infoframe
5626          * structure and extend it in drivers/video/hdmi
5627          */
5628         frame->extended_colorimetry = (colorimetry_val >> 2) &
5629                                         EXTENDED_COLORIMETRY_MASK;
5630 }
5631 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
5632
5633 /**
5634  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5635  *                                        quantization range information
5636  * @frame: HDMI AVI infoframe
5637  * @connector: the connector
5638  * @mode: DRM display mode
5639  * @rgb_quant_range: RGB quantization range (Q)
5640  */
5641 void
5642 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5643                                    struct drm_connector *connector,
5644                                    const struct drm_display_mode *mode,
5645                                    enum hdmi_quantization_range rgb_quant_range)
5646 {
5647         const struct drm_display_info *info = &connector->display_info;
5648
5649         /*
5650          * CEA-861:
5651          * "A Source shall not send a non-zero Q value that does not correspond
5652          *  to the default RGB Quantization Range for the transmitted Picture
5653          *  unless the Sink indicates support for the Q bit in a Video
5654          *  Capabilities Data Block."
5655          *
5656          * HDMI 2.0 recommends sending non-zero Q when it does match the
5657          * default RGB quantization range for the mode, even when QS=0.
5658          */
5659         if (info->rgb_quant_range_selectable ||
5660             rgb_quant_range == drm_default_rgb_quant_range(mode))
5661                 frame->quantization_range = rgb_quant_range;
5662         else
5663                 frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5664
5665         /*
5666          * CEA-861-F:
5667          * "When transmitting any RGB colorimetry, the Source should set the
5668          *  YQ-field to match the RGB Quantization Range being transmitted
5669          *  (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5670          *  set YQ=1) and the Sink shall ignore the YQ-field."
5671          *
5672          * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5673          * by non-zero YQ when receiving RGB. There doesn't seem to be any
5674          * good way to tell which version of CEA-861 the sink supports, so
5675          * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5676          * on on CEA-861-F.
5677          */
5678         if (!is_hdmi2_sink(connector) ||
5679             rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5680                 frame->ycc_quantization_range =
5681                         HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5682         else
5683                 frame->ycc_quantization_range =
5684                         HDMI_YCC_QUANTIZATION_RANGE_FULL;
5685 }
5686 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5687
5688 /**
5689  * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
5690  *                                 bar information
5691  * @frame: HDMI AVI infoframe
5692  * @conn_state: connector state
5693  */
5694 void
5695 drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
5696                             const struct drm_connector_state *conn_state)
5697 {
5698         frame->right_bar = conn_state->tv.margins.right;
5699         frame->left_bar = conn_state->tv.margins.left;
5700         frame->top_bar = conn_state->tv.margins.top;
5701         frame->bottom_bar = conn_state->tv.margins.bottom;
5702 }
5703 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
5704
5705 static enum hdmi_3d_structure
5706 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5707 {
5708         u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5709
5710         switch (layout) {
5711         case DRM_MODE_FLAG_3D_FRAME_PACKING:
5712                 return HDMI_3D_STRUCTURE_FRAME_PACKING;
5713         case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
5714                 return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
5715         case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
5716                 return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
5717         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
5718                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
5719         case DRM_MODE_FLAG_3D_L_DEPTH:
5720                 return HDMI_3D_STRUCTURE_L_DEPTH;
5721         case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
5722                 return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
5723         case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
5724                 return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
5725         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
5726                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
5727         default:
5728                 return HDMI_3D_STRUCTURE_INVALID;
5729         }
5730 }
5731
5732 /**
5733  * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
5734  * data from a DRM display mode
5735  * @frame: HDMI vendor infoframe
5736  * @connector: the connector
5737  * @mode: DRM display mode
5738  *
5739  * Note that there's is a need to send HDMI vendor infoframes only when using a
5740  * 4k or stereoscopic 3D mode. So when giving any other mode as input this
5741  * function will return -EINVAL, error that can be safely ignored.
5742  *
5743  * Return: 0 on success or a negative error code on failure.
5744  */
5745 int
5746 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5747                                             struct drm_connector *connector,
5748                                             const struct drm_display_mode *mode)
5749 {
5750         /*
5751          * FIXME: sil-sii8620 doesn't have a connector around when
5752          * we need one, so we have to be prepared for a NULL connector.
5753          */
5754         bool has_hdmi_infoframe = connector ?
5755                 connector->display_info.has_hdmi_infoframe : false;
5756         int err;
5757
5758         if (!frame || !mode)
5759                 return -EINVAL;
5760
5761         if (!has_hdmi_infoframe)
5762                 return -EINVAL;
5763
5764         err = hdmi_vendor_infoframe_init(frame);
5765         if (err < 0)
5766                 return err;
5767
5768         /*
5769          * Even if it's not absolutely necessary to send the infoframe
5770          * (ie.vic==0 and s3d_struct==0) we will still send it if we
5771          * know that the sink can handle it. This is based on a
5772          * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
5773          * have trouble realizing that they shuld switch from 3D to 2D
5774          * mode if the source simply stops sending the infoframe when
5775          * it wants to switch from 3D to 2D.
5776          */
5777         frame->vic = drm_mode_hdmi_vic(connector, mode);
5778         frame->s3d_struct = s3d_structure_from_display_mode(mode);
5779
5780         return 0;
5781 }
5782 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5783
5784 static int drm_parse_tiled_block(struct drm_connector *connector,
5785                                  struct displayid_block *block)
5786 {
5787         struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
5788         u16 w, h;
5789         u8 tile_v_loc, tile_h_loc;
5790         u8 num_v_tile, num_h_tile;
5791         struct drm_tile_group *tg;
5792
5793         w = tile->tile_size[0] | tile->tile_size[1] << 8;
5794         h = tile->tile_size[2] | tile->tile_size[3] << 8;
5795
5796         num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
5797         num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
5798         tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
5799         tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
5800
5801         connector->has_tile = true;
5802         if (tile->tile_cap & 0x80)
5803                 connector->tile_is_single_monitor = true;
5804
5805         connector->num_h_tile = num_h_tile + 1;
5806         connector->num_v_tile = num_v_tile + 1;
5807         connector->tile_h_loc = tile_h_loc;
5808         connector->tile_v_loc = tile_v_loc;
5809         connector->tile_h_size = w + 1;
5810         connector->tile_v_size = h + 1;
5811
5812         DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
5813         DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
5814         DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
5815                       num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
5816         DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
5817
5818         tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
5819         if (!tg) {
5820                 tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
5821         }
5822         if (!tg)
5823                 return -ENOMEM;
5824
5825         if (connector->tile_group != tg) {
5826                 /* if we haven't got a pointer,
5827                    take the reference, drop ref to old tile group */
5828                 if (connector->tile_group) {
5829                         drm_mode_put_tile_group(connector->dev, connector->tile_group);
5830                 }
5831                 connector->tile_group = tg;
5832         } else
5833                 /* if same tile group, then release the ref we just took. */
5834                 drm_mode_put_tile_group(connector->dev, tg);
5835         return 0;
5836 }
5837
5838 static int drm_parse_display_id(struct drm_connector *connector,
5839                                 u8 *displayid, int length,
5840                                 bool is_edid_extension)
5841 {
5842         /* if this is an EDID extension the first byte will be 0x70 */
5843         int idx = 0;
5844         struct displayid_block *block;
5845         int ret;
5846
5847         if (is_edid_extension)
5848                 idx = 1;
5849
5850         ret = validate_displayid(displayid, length, idx);
5851         if (ret)
5852                 return ret;
5853
5854         idx += sizeof(struct displayid_hdr);
5855         for_each_displayid_db(displayid, block, idx, length) {
5856                 DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n",
5857                               block->tag, block->rev, block->num_bytes);
5858
5859                 switch (block->tag) {
5860                 case DATA_BLOCK_TILED_DISPLAY:
5861                         ret = drm_parse_tiled_block(connector, block);
5862                         if (ret)
5863                                 return ret;
5864                         break;
5865                 case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5866                         /* handled in mode gathering code. */
5867                         break;
5868                 case DATA_BLOCK_CTA:
5869                         /* handled in the cea parser code. */
5870                         break;
5871                 default:
5872                         DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag);
5873                         break;
5874                 }
5875         }
5876         return 0;
5877 }
5878
5879 static void drm_get_displayid(struct drm_connector *connector,
5880                               struct edid *edid)
5881 {
5882         void *displayid = NULL;
5883         int ret;
5884         connector->has_tile = false;
5885         displayid = drm_find_displayid_extension(edid);
5886         if (!displayid) {
5887                 /* drop reference to any tile group we had */
5888                 goto out_drop_ref;
5889         }
5890
5891         ret = drm_parse_display_id(connector, displayid, EDID_LENGTH, true);
5892         if (ret < 0)
5893                 goto out_drop_ref;
5894         if (!connector->has_tile)
5895                 goto out_drop_ref;
5896         return;
5897 out_drop_ref:
5898         if (connector->tile_group) {
5899                 drm_mode_put_tile_group(connector->dev, connector->tile_group);
5900                 connector->tile_group = NULL;
5901         }
5902         return;
5903 }