Merge tag 'v5.7-rc7' into perf/core, to pick up fixes
[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, CV1 and Rift S VR Headsets */
195         { "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP },
196         { "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP },
197         { "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP },
198         { "OVR", 0x0012, EDID_QUIRK_NON_DESKTOP },
199
200         /* Windows Mixed Reality Headsets */
201         { "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP },
202         { "HPN", 0x3515, EDID_QUIRK_NON_DESKTOP },
203         { "LEN", 0x0408, EDID_QUIRK_NON_DESKTOP },
204         { "LEN", 0xb800, EDID_QUIRK_NON_DESKTOP },
205         { "FUJ", 0x1970, EDID_QUIRK_NON_DESKTOP },
206         { "DEL", 0x7fce, EDID_QUIRK_NON_DESKTOP },
207         { "SEC", 0x144a, EDID_QUIRK_NON_DESKTOP },
208         { "AUS", 0xc102, EDID_QUIRK_NON_DESKTOP },
209
210         /* Sony PlayStation VR Headset */
211         { "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP },
212
213         /* Sensics VR Headsets */
214         { "SEN", 0x1019, EDID_QUIRK_NON_DESKTOP },
215
216         /* OSVR HDK and HDK2 VR Headsets */
217         { "SVR", 0x1019, EDID_QUIRK_NON_DESKTOP },
218 };
219
220 /*
221  * Autogenerated from the DMT spec.
222  * This table is copied from xfree86/modes/xf86EdidModes.c.
223  */
224 static const struct drm_display_mode drm_dmt_modes[] = {
225         /* 0x01 - 640x350@85Hz */
226         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
227                    736, 832, 0, 350, 382, 385, 445, 0,
228                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
229         /* 0x02 - 640x400@85Hz */
230         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
231                    736, 832, 0, 400, 401, 404, 445, 0,
232                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
233         /* 0x03 - 720x400@85Hz */
234         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
235                    828, 936, 0, 400, 401, 404, 446, 0,
236                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
237         /* 0x04 - 640x480@60Hz */
238         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
239                    752, 800, 0, 480, 490, 492, 525, 0,
240                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
241         /* 0x05 - 640x480@72Hz */
242         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
243                    704, 832, 0, 480, 489, 492, 520, 0,
244                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
245         /* 0x06 - 640x480@75Hz */
246         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
247                    720, 840, 0, 480, 481, 484, 500, 0,
248                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
249         /* 0x07 - 640x480@85Hz */
250         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
251                    752, 832, 0, 480, 481, 484, 509, 0,
252                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
253         /* 0x08 - 800x600@56Hz */
254         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
255                    896, 1024, 0, 600, 601, 603, 625, 0,
256                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
257         /* 0x09 - 800x600@60Hz */
258         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
259                    968, 1056, 0, 600, 601, 605, 628, 0,
260                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
261         /* 0x0a - 800x600@72Hz */
262         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
263                    976, 1040, 0, 600, 637, 643, 666, 0,
264                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
265         /* 0x0b - 800x600@75Hz */
266         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
267                    896, 1056, 0, 600, 601, 604, 625, 0,
268                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
269         /* 0x0c - 800x600@85Hz */
270         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
271                    896, 1048, 0, 600, 601, 604, 631, 0,
272                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
273         /* 0x0d - 800x600@120Hz RB */
274         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
275                    880, 960, 0, 600, 603, 607, 636, 0,
276                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
277         /* 0x0e - 848x480@60Hz */
278         { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
279                    976, 1088, 0, 480, 486, 494, 517, 0,
280                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
281         /* 0x0f - 1024x768@43Hz, interlace */
282         { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
283                    1208, 1264, 0, 768, 768, 776, 817, 0,
284                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
285                    DRM_MODE_FLAG_INTERLACE) },
286         /* 0x10 - 1024x768@60Hz */
287         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
288                    1184, 1344, 0, 768, 771, 777, 806, 0,
289                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
290         /* 0x11 - 1024x768@70Hz */
291         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
292                    1184, 1328, 0, 768, 771, 777, 806, 0,
293                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
294         /* 0x12 - 1024x768@75Hz */
295         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
296                    1136, 1312, 0, 768, 769, 772, 800, 0,
297                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
298         /* 0x13 - 1024x768@85Hz */
299         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
300                    1168, 1376, 0, 768, 769, 772, 808, 0,
301                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
302         /* 0x14 - 1024x768@120Hz RB */
303         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
304                    1104, 1184, 0, 768, 771, 775, 813, 0,
305                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
306         /* 0x15 - 1152x864@75Hz */
307         { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
308                    1344, 1600, 0, 864, 865, 868, 900, 0,
309                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
310         /* 0x55 - 1280x720@60Hz */
311         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
312                    1430, 1650, 0, 720, 725, 730, 750, 0,
313                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
314         /* 0x16 - 1280x768@60Hz RB */
315         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
316                    1360, 1440, 0, 768, 771, 778, 790, 0,
317                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
318         /* 0x17 - 1280x768@60Hz */
319         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
320                    1472, 1664, 0, 768, 771, 778, 798, 0,
321                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
322         /* 0x18 - 1280x768@75Hz */
323         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
324                    1488, 1696, 0, 768, 771, 778, 805, 0,
325                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
326         /* 0x19 - 1280x768@85Hz */
327         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
328                    1496, 1712, 0, 768, 771, 778, 809, 0,
329                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
330         /* 0x1a - 1280x768@120Hz RB */
331         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
332                    1360, 1440, 0, 768, 771, 778, 813, 0,
333                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
334         /* 0x1b - 1280x800@60Hz RB */
335         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
336                    1360, 1440, 0, 800, 803, 809, 823, 0,
337                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
338         /* 0x1c - 1280x800@60Hz */
339         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
340                    1480, 1680, 0, 800, 803, 809, 831, 0,
341                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
342         /* 0x1d - 1280x800@75Hz */
343         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
344                    1488, 1696, 0, 800, 803, 809, 838, 0,
345                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
346         /* 0x1e - 1280x800@85Hz */
347         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
348                    1496, 1712, 0, 800, 803, 809, 843, 0,
349                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
350         /* 0x1f - 1280x800@120Hz RB */
351         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
352                    1360, 1440, 0, 800, 803, 809, 847, 0,
353                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
354         /* 0x20 - 1280x960@60Hz */
355         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
356                    1488, 1800, 0, 960, 961, 964, 1000, 0,
357                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
358         /* 0x21 - 1280x960@85Hz */
359         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
360                    1504, 1728, 0, 960, 961, 964, 1011, 0,
361                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
362         /* 0x22 - 1280x960@120Hz RB */
363         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
364                    1360, 1440, 0, 960, 963, 967, 1017, 0,
365                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
366         /* 0x23 - 1280x1024@60Hz */
367         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
368                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
369                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
370         /* 0x24 - 1280x1024@75Hz */
371         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
372                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
373                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
374         /* 0x25 - 1280x1024@85Hz */
375         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
376                    1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
377                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
378         /* 0x26 - 1280x1024@120Hz RB */
379         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
380                    1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
381                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
382         /* 0x27 - 1360x768@60Hz */
383         { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
384                    1536, 1792, 0, 768, 771, 777, 795, 0,
385                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
386         /* 0x28 - 1360x768@120Hz RB */
387         { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
388                    1440, 1520, 0, 768, 771, 776, 813, 0,
389                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
390         /* 0x51 - 1366x768@60Hz */
391         { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
392                    1579, 1792, 0, 768, 771, 774, 798, 0,
393                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
394         /* 0x56 - 1366x768@60Hz */
395         { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
396                    1436, 1500, 0, 768, 769, 772, 800, 0,
397                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
398         /* 0x29 - 1400x1050@60Hz RB */
399         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
400                    1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
401                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
402         /* 0x2a - 1400x1050@60Hz */
403         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
404                    1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
405                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
406         /* 0x2b - 1400x1050@75Hz */
407         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
408                    1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
409                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
410         /* 0x2c - 1400x1050@85Hz */
411         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
412                    1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
413                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
414         /* 0x2d - 1400x1050@120Hz RB */
415         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
416                    1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
417                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
418         /* 0x2e - 1440x900@60Hz RB */
419         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
420                    1520, 1600, 0, 900, 903, 909, 926, 0,
421                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
422         /* 0x2f - 1440x900@60Hz */
423         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
424                    1672, 1904, 0, 900, 903, 909, 934, 0,
425                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
426         /* 0x30 - 1440x900@75Hz */
427         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
428                    1688, 1936, 0, 900, 903, 909, 942, 0,
429                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
430         /* 0x31 - 1440x900@85Hz */
431         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
432                    1696, 1952, 0, 900, 903, 909, 948, 0,
433                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
434         /* 0x32 - 1440x900@120Hz RB */
435         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
436                    1520, 1600, 0, 900, 903, 909, 953, 0,
437                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
438         /* 0x53 - 1600x900@60Hz */
439         { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
440                    1704, 1800, 0, 900, 901, 904, 1000, 0,
441                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
442         /* 0x33 - 1600x1200@60Hz */
443         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
444                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
445                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
446         /* 0x34 - 1600x1200@65Hz */
447         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
448                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
449                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
450         /* 0x35 - 1600x1200@70Hz */
451         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
452                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
453                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
454         /* 0x36 - 1600x1200@75Hz */
455         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
456                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
457                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
458         /* 0x37 - 1600x1200@85Hz */
459         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
460                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
461                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
462         /* 0x38 - 1600x1200@120Hz RB */
463         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
464                    1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
465                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
466         /* 0x39 - 1680x1050@60Hz RB */
467         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
468                    1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
469                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
470         /* 0x3a - 1680x1050@60Hz */
471         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
472                    1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
473                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
474         /* 0x3b - 1680x1050@75Hz */
475         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
476                    1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
477                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
478         /* 0x3c - 1680x1050@85Hz */
479         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
480                    1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
481                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
482         /* 0x3d - 1680x1050@120Hz RB */
483         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
484                    1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
485                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
486         /* 0x3e - 1792x1344@60Hz */
487         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
488                    2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
489                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
490         /* 0x3f - 1792x1344@75Hz */
491         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
492                    2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
493                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
494         /* 0x40 - 1792x1344@120Hz RB */
495         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
496                    1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
497                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
498         /* 0x41 - 1856x1392@60Hz */
499         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
500                    2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
501                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
502         /* 0x42 - 1856x1392@75Hz */
503         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
504                    2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
505                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
506         /* 0x43 - 1856x1392@120Hz RB */
507         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
508                    1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
509                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
510         /* 0x52 - 1920x1080@60Hz */
511         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
512                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
513                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
514         /* 0x44 - 1920x1200@60Hz RB */
515         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
516                    2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
517                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
518         /* 0x45 - 1920x1200@60Hz */
519         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
520                    2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
521                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
522         /* 0x46 - 1920x1200@75Hz */
523         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
524                    2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
525                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
526         /* 0x47 - 1920x1200@85Hz */
527         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
528                    2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
529                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
530         /* 0x48 - 1920x1200@120Hz RB */
531         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
532                    2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
533                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
534         /* 0x49 - 1920x1440@60Hz */
535         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
536                    2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
537                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
538         /* 0x4a - 1920x1440@75Hz */
539         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
540                    2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
541                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
542         /* 0x4b - 1920x1440@120Hz RB */
543         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
544                    2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
545                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
546         /* 0x54 - 2048x1152@60Hz */
547         { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
548                    2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
549                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
550         /* 0x4c - 2560x1600@60Hz RB */
551         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
552                    2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
553                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
554         /* 0x4d - 2560x1600@60Hz */
555         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
556                    3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
557                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
558         /* 0x4e - 2560x1600@75Hz */
559         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
560                    3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
561                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
562         /* 0x4f - 2560x1600@85Hz */
563         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
564                    3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
565                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
566         /* 0x50 - 2560x1600@120Hz RB */
567         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
568                    2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
569                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
570         /* 0x57 - 4096x2160@60Hz RB */
571         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
572                    4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
573                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
574         /* 0x58 - 4096x2160@59.94Hz RB */
575         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
576                    4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
577                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
578 };
579
580 /*
581  * These more or less come from the DMT spec.  The 720x400 modes are
582  * inferred from historical 80x25 practice.  The 640x480@67 and 832x624@75
583  * modes are old-school Mac modes.  The EDID spec says the 1152x864@75 mode
584  * should be 1152x870, again for the Mac, but instead we use the x864 DMT
585  * mode.
586  *
587  * The DMT modes have been fact-checked; the rest are mild guesses.
588  */
589 static const struct drm_display_mode edid_est_modes[] = {
590         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
591                    968, 1056, 0, 600, 601, 605, 628, 0,
592                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
593         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
594                    896, 1024, 0, 600, 601, 603,  625, 0,
595                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
596         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
597                    720, 840, 0, 480, 481, 484, 500, 0,
598                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
599         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
600                    704,  832, 0, 480, 489, 492, 520, 0,
601                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
602         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
603                    768,  864, 0, 480, 483, 486, 525, 0,
604                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
605         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
606                    752, 800, 0, 480, 490, 492, 525, 0,
607                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
608         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
609                    846, 900, 0, 400, 421, 423,  449, 0,
610                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
611         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
612                    846,  900, 0, 400, 412, 414, 449, 0,
613                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
614         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
615                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
616                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
617         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
618                    1136, 1312, 0,  768, 769, 772, 800, 0,
619                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
620         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
621                    1184, 1328, 0,  768, 771, 777, 806, 0,
622                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
623         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
624                    1184, 1344, 0,  768, 771, 777, 806, 0,
625                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
626         { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
627                    1208, 1264, 0, 768, 768, 776, 817, 0,
628                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
629         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
630                    928, 1152, 0, 624, 625, 628, 667, 0,
631                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
632         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
633                    896, 1056, 0, 600, 601, 604,  625, 0,
634                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
635         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
636                    976, 1040, 0, 600, 637, 643, 666, 0,
637                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
638         { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
639                    1344, 1600, 0,  864, 865, 868, 900, 0,
640                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
641 };
642
643 struct minimode {
644         short w;
645         short h;
646         short r;
647         short rb;
648 };
649
650 static const struct minimode est3_modes[] = {
651         /* byte 6 */
652         { 640, 350, 85, 0 },
653         { 640, 400, 85, 0 },
654         { 720, 400, 85, 0 },
655         { 640, 480, 85, 0 },
656         { 848, 480, 60, 0 },
657         { 800, 600, 85, 0 },
658         { 1024, 768, 85, 0 },
659         { 1152, 864, 75, 0 },
660         /* byte 7 */
661         { 1280, 768, 60, 1 },
662         { 1280, 768, 60, 0 },
663         { 1280, 768, 75, 0 },
664         { 1280, 768, 85, 0 },
665         { 1280, 960, 60, 0 },
666         { 1280, 960, 85, 0 },
667         { 1280, 1024, 60, 0 },
668         { 1280, 1024, 85, 0 },
669         /* byte 8 */
670         { 1360, 768, 60, 0 },
671         { 1440, 900, 60, 1 },
672         { 1440, 900, 60, 0 },
673         { 1440, 900, 75, 0 },
674         { 1440, 900, 85, 0 },
675         { 1400, 1050, 60, 1 },
676         { 1400, 1050, 60, 0 },
677         { 1400, 1050, 75, 0 },
678         /* byte 9 */
679         { 1400, 1050, 85, 0 },
680         { 1680, 1050, 60, 1 },
681         { 1680, 1050, 60, 0 },
682         { 1680, 1050, 75, 0 },
683         { 1680, 1050, 85, 0 },
684         { 1600, 1200, 60, 0 },
685         { 1600, 1200, 65, 0 },
686         { 1600, 1200, 70, 0 },
687         /* byte 10 */
688         { 1600, 1200, 75, 0 },
689         { 1600, 1200, 85, 0 },
690         { 1792, 1344, 60, 0 },
691         { 1792, 1344, 75, 0 },
692         { 1856, 1392, 60, 0 },
693         { 1856, 1392, 75, 0 },
694         { 1920, 1200, 60, 1 },
695         { 1920, 1200, 60, 0 },
696         /* byte 11 */
697         { 1920, 1200, 75, 0 },
698         { 1920, 1200, 85, 0 },
699         { 1920, 1440, 60, 0 },
700         { 1920, 1440, 75, 0 },
701 };
702
703 static const struct minimode extra_modes[] = {
704         { 1024, 576,  60, 0 },
705         { 1366, 768,  60, 0 },
706         { 1600, 900,  60, 0 },
707         { 1680, 945,  60, 0 },
708         { 1920, 1080, 60, 0 },
709         { 2048, 1152, 60, 0 },
710         { 2048, 1536, 60, 0 },
711 };
712
713 /*
714  * From CEA/CTA-861 spec.
715  *
716  * Do not access directly, instead always use cea_mode_for_vic().
717  */
718 static const struct drm_display_mode edid_cea_modes_1[] = {
719         /* 1 - 640x480@60Hz 4:3 */
720         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
721                    752, 800, 0, 480, 490, 492, 525, 0,
722                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
723           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
724         /* 2 - 720x480@60Hz 4:3 */
725         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
726                    798, 858, 0, 480, 489, 495, 525, 0,
727                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
728           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
729         /* 3 - 720x480@60Hz 16:9 */
730         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
731                    798, 858, 0, 480, 489, 495, 525, 0,
732                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
733           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
734         /* 4 - 1280x720@60Hz 16:9 */
735         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
736                    1430, 1650, 0, 720, 725, 730, 750, 0,
737                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
738           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
739         /* 5 - 1920x1080i@60Hz 16:9 */
740         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
741                    2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
742                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
743                    DRM_MODE_FLAG_INTERLACE),
744           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
745         /* 6 - 720(1440)x480i@60Hz 4:3 */
746         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
747                    801, 858, 0, 480, 488, 494, 525, 0,
748                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
749                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
750           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
751         /* 7 - 720(1440)x480i@60Hz 16:9 */
752         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
753                    801, 858, 0, 480, 488, 494, 525, 0,
754                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
755                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
756           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
757         /* 8 - 720(1440)x240@60Hz 4:3 */
758         { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
759                    801, 858, 0, 240, 244, 247, 262, 0,
760                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
761                    DRM_MODE_FLAG_DBLCLK),
762           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
763         /* 9 - 720(1440)x240@60Hz 16:9 */
764         { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
765                    801, 858, 0, 240, 244, 247, 262, 0,
766                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
767                    DRM_MODE_FLAG_DBLCLK),
768           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
769         /* 10 - 2880x480i@60Hz 4:3 */
770         { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
771                    3204, 3432, 0, 480, 488, 494, 525, 0,
772                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
773                    DRM_MODE_FLAG_INTERLACE),
774           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
775         /* 11 - 2880x480i@60Hz 16:9 */
776         { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
777                    3204, 3432, 0, 480, 488, 494, 525, 0,
778                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
779                    DRM_MODE_FLAG_INTERLACE),
780           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
781         /* 12 - 2880x240@60Hz 4:3 */
782         { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
783                    3204, 3432, 0, 240, 244, 247, 262, 0,
784                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
785           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
786         /* 13 - 2880x240@60Hz 16:9 */
787         { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
788                    3204, 3432, 0, 240, 244, 247, 262, 0,
789                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
790           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
791         /* 14 - 1440x480@60Hz 4:3 */
792         { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
793                    1596, 1716, 0, 480, 489, 495, 525, 0,
794                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
795           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
796         /* 15 - 1440x480@60Hz 16:9 */
797         { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
798                    1596, 1716, 0, 480, 489, 495, 525, 0,
799                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
800           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
801         /* 16 - 1920x1080@60Hz 16:9 */
802         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
803                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
804                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
805           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
806         /* 17 - 720x576@50Hz 4:3 */
807         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
808                    796, 864, 0, 576, 581, 586, 625, 0,
809                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
810           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
811         /* 18 - 720x576@50Hz 16:9 */
812         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
813                    796, 864, 0, 576, 581, 586, 625, 0,
814                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
815           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
816         /* 19 - 1280x720@50Hz 16:9 */
817         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
818                    1760, 1980, 0, 720, 725, 730, 750, 0,
819                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
820           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
821         /* 20 - 1920x1080i@50Hz 16:9 */
822         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
823                    2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
824                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
825                    DRM_MODE_FLAG_INTERLACE),
826           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
827         /* 21 - 720(1440)x576i@50Hz 4:3 */
828         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
829                    795, 864, 0, 576, 580, 586, 625, 0,
830                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
831                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
832           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
833         /* 22 - 720(1440)x576i@50Hz 16:9 */
834         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
835                    795, 864, 0, 576, 580, 586, 625, 0,
836                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
837                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
838           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
839         /* 23 - 720(1440)x288@50Hz 4:3 */
840         { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
841                    795, 864, 0, 288, 290, 293, 312, 0,
842                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
843                    DRM_MODE_FLAG_DBLCLK),
844           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
845         /* 24 - 720(1440)x288@50Hz 16:9 */
846         { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
847                    795, 864, 0, 288, 290, 293, 312, 0,
848                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
849                    DRM_MODE_FLAG_DBLCLK),
850           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
851         /* 25 - 2880x576i@50Hz 4:3 */
852         { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
853                    3180, 3456, 0, 576, 580, 586, 625, 0,
854                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
855                    DRM_MODE_FLAG_INTERLACE),
856           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
857         /* 26 - 2880x576i@50Hz 16:9 */
858         { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
859                    3180, 3456, 0, 576, 580, 586, 625, 0,
860                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
861                    DRM_MODE_FLAG_INTERLACE),
862           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
863         /* 27 - 2880x288@50Hz 4:3 */
864         { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
865                    3180, 3456, 0, 288, 290, 293, 312, 0,
866                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
867           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
868         /* 28 - 2880x288@50Hz 16:9 */
869         { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
870                    3180, 3456, 0, 288, 290, 293, 312, 0,
871                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
872           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
873         /* 29 - 1440x576@50Hz 4:3 */
874         { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
875                    1592, 1728, 0, 576, 581, 586, 625, 0,
876                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
877           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
878         /* 30 - 1440x576@50Hz 16:9 */
879         { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
880                    1592, 1728, 0, 576, 581, 586, 625, 0,
881                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
882           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
883         /* 31 - 1920x1080@50Hz 16:9 */
884         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
885                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
886                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
887           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
888         /* 32 - 1920x1080@24Hz 16:9 */
889         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
890                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
891                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
892           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
893         /* 33 - 1920x1080@25Hz 16:9 */
894         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
895                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
896                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
897           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
898         /* 34 - 1920x1080@30Hz 16:9 */
899         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
900                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
901                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
902           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
903         /* 35 - 2880x480@60Hz 4:3 */
904         { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
905                    3192, 3432, 0, 480, 489, 495, 525, 0,
906                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
907           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
908         /* 36 - 2880x480@60Hz 16:9 */
909         { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
910                    3192, 3432, 0, 480, 489, 495, 525, 0,
911                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
912           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
913         /* 37 - 2880x576@50Hz 4:3 */
914         { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
915                    3184, 3456, 0, 576, 581, 586, 625, 0,
916                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
917           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
918         /* 38 - 2880x576@50Hz 16:9 */
919         { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
920                    3184, 3456, 0, 576, 581, 586, 625, 0,
921                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
922           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
923         /* 39 - 1920x1080i@50Hz 16:9 */
924         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
925                    2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
926                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
927                    DRM_MODE_FLAG_INTERLACE),
928           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
929         /* 40 - 1920x1080i@100Hz 16:9 */
930         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
931                    2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
932                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
933                    DRM_MODE_FLAG_INTERLACE),
934           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
935         /* 41 - 1280x720@100Hz 16:9 */
936         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
937                    1760, 1980, 0, 720, 725, 730, 750, 0,
938                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
939           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
940         /* 42 - 720x576@100Hz 4:3 */
941         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
942                    796, 864, 0, 576, 581, 586, 625, 0,
943                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
944           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
945         /* 43 - 720x576@100Hz 16:9 */
946         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
947                    796, 864, 0, 576, 581, 586, 625, 0,
948                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
949           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
950         /* 44 - 720(1440)x576i@100Hz 4:3 */
951         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
952                    795, 864, 0, 576, 580, 586, 625, 0,
953                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
954                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
955           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
956         /* 45 - 720(1440)x576i@100Hz 16:9 */
957         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
958                    795, 864, 0, 576, 580, 586, 625, 0,
959                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
960                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
961           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
962         /* 46 - 1920x1080i@120Hz 16:9 */
963         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
964                    2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
965                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
966                    DRM_MODE_FLAG_INTERLACE),
967           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
968         /* 47 - 1280x720@120Hz 16:9 */
969         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
970                    1430, 1650, 0, 720, 725, 730, 750, 0,
971                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
972           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
973         /* 48 - 720x480@120Hz 4:3 */
974         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
975                    798, 858, 0, 480, 489, 495, 525, 0,
976                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
977           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
978         /* 49 - 720x480@120Hz 16:9 */
979         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
980                    798, 858, 0, 480, 489, 495, 525, 0,
981                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
982           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
983         /* 50 - 720(1440)x480i@120Hz 4:3 */
984         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
985                    801, 858, 0, 480, 488, 494, 525, 0,
986                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
987                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
988           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
989         /* 51 - 720(1440)x480i@120Hz 16:9 */
990         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
991                    801, 858, 0, 480, 488, 494, 525, 0,
992                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
993                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
994           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
995         /* 52 - 720x576@200Hz 4:3 */
996         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
997                    796, 864, 0, 576, 581, 586, 625, 0,
998                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
999           .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1000         /* 53 - 720x576@200Hz 16:9 */
1001         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1002                    796, 864, 0, 576, 581, 586, 625, 0,
1003                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1004           .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1005         /* 54 - 720(1440)x576i@200Hz 4:3 */
1006         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1007                    795, 864, 0, 576, 580, 586, 625, 0,
1008                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1009                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1010           .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1011         /* 55 - 720(1440)x576i@200Hz 16:9 */
1012         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1013                    795, 864, 0, 576, 580, 586, 625, 0,
1014                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1015                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1016           .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1017         /* 56 - 720x480@240Hz 4:3 */
1018         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1019                    798, 858, 0, 480, 489, 495, 525, 0,
1020                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1021           .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1022         /* 57 - 720x480@240Hz 16:9 */
1023         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1024                    798, 858, 0, 480, 489, 495, 525, 0,
1025                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1026           .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1027         /* 58 - 720(1440)x480i@240Hz 4:3 */
1028         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1029                    801, 858, 0, 480, 488, 494, 525, 0,
1030                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1031                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1032           .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1033         /* 59 - 720(1440)x480i@240Hz 16:9 */
1034         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1035                    801, 858, 0, 480, 488, 494, 525, 0,
1036                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1037                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1038           .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1039         /* 60 - 1280x720@24Hz 16:9 */
1040         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1041                    3080, 3300, 0, 720, 725, 730, 750, 0,
1042                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1043           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1044         /* 61 - 1280x720@25Hz 16:9 */
1045         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1046                    3740, 3960, 0, 720, 725, 730, 750, 0,
1047                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1048           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1049         /* 62 - 1280x720@30Hz 16:9 */
1050         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1051                    3080, 3300, 0, 720, 725, 730, 750, 0,
1052                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1053           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1054         /* 63 - 1920x1080@120Hz 16:9 */
1055         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1056                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1057                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1058           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1059         /* 64 - 1920x1080@100Hz 16:9 */
1060         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1061                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1062                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1063           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1064         /* 65 - 1280x720@24Hz 64:27 */
1065         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1066                    3080, 3300, 0, 720, 725, 730, 750, 0,
1067                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1068           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1069         /* 66 - 1280x720@25Hz 64:27 */
1070         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1071                    3740, 3960, 0, 720, 725, 730, 750, 0,
1072                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1073           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1074         /* 67 - 1280x720@30Hz 64:27 */
1075         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1076                    3080, 3300, 0, 720, 725, 730, 750, 0,
1077                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1078           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1079         /* 68 - 1280x720@50Hz 64:27 */
1080         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1081                    1760, 1980, 0, 720, 725, 730, 750, 0,
1082                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1083           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1084         /* 69 - 1280x720@60Hz 64:27 */
1085         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1086                    1430, 1650, 0, 720, 725, 730, 750, 0,
1087                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1088           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1089         /* 70 - 1280x720@100Hz 64:27 */
1090         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1091                    1760, 1980, 0, 720, 725, 730, 750, 0,
1092                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1093           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1094         /* 71 - 1280x720@120Hz 64:27 */
1095         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1096                    1430, 1650, 0, 720, 725, 730, 750, 0,
1097                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1098           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1099         /* 72 - 1920x1080@24Hz 64:27 */
1100         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1101                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1102                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1103           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1104         /* 73 - 1920x1080@25Hz 64:27 */
1105         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1106                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1107                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1108           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1109         /* 74 - 1920x1080@30Hz 64:27 */
1110         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1111                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1112                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1113           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1114         /* 75 - 1920x1080@50Hz 64:27 */
1115         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1116                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1117                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1118           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1119         /* 76 - 1920x1080@60Hz 64:27 */
1120         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1121                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1122                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1123           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1124         /* 77 - 1920x1080@100Hz 64:27 */
1125         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1126                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1127                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1128           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1129         /* 78 - 1920x1080@120Hz 64:27 */
1130         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1131                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1132                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1133           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1134         /* 79 - 1680x720@24Hz 64:27 */
1135         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1136                    3080, 3300, 0, 720, 725, 730, 750, 0,
1137                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1138           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1139         /* 80 - 1680x720@25Hz 64:27 */
1140         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1141                    2948, 3168, 0, 720, 725, 730, 750, 0,
1142                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1143           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1144         /* 81 - 1680x720@30Hz 64:27 */
1145         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1146                    2420, 2640, 0, 720, 725, 730, 750, 0,
1147                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1148           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1149         /* 82 - 1680x720@50Hz 64:27 */
1150         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1151                    1980, 2200, 0, 720, 725, 730, 750, 0,
1152                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1153           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1154         /* 83 - 1680x720@60Hz 64:27 */
1155         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1156                    1980, 2200, 0, 720, 725, 730, 750, 0,
1157                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1158           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1159         /* 84 - 1680x720@100Hz 64:27 */
1160         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1161                    1780, 2000, 0, 720, 725, 730, 825, 0,
1162                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1163           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1164         /* 85 - 1680x720@120Hz 64:27 */
1165         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1166                    1780, 2000, 0, 720, 725, 730, 825, 0,
1167                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1168           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1169         /* 86 - 2560x1080@24Hz 64:27 */
1170         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1171                    3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1172                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1173           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1174         /* 87 - 2560x1080@25Hz 64:27 */
1175         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1176                    3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1177                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1178           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1179         /* 88 - 2560x1080@30Hz 64:27 */
1180         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1181                    3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1182                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1183           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1184         /* 89 - 2560x1080@50Hz 64:27 */
1185         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1186                    3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1187                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1188           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1189         /* 90 - 2560x1080@60Hz 64:27 */
1190         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1191                    2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1192                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1193           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1194         /* 91 - 2560x1080@100Hz 64:27 */
1195         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1196                    2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1197                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1198           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1199         /* 92 - 2560x1080@120Hz 64:27 */
1200         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1201                    3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1202                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1203           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1204         /* 93 - 3840x2160@24Hz 16:9 */
1205         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1206                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1207                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1208           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1209         /* 94 - 3840x2160@25Hz 16:9 */
1210         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1211                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1212                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1213           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1214         /* 95 - 3840x2160@30Hz 16:9 */
1215         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1216                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1217                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1218           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1219         /* 96 - 3840x2160@50Hz 16:9 */
1220         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1221                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1222                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1223           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1224         /* 97 - 3840x2160@60Hz 16:9 */
1225         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1226                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1227                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1228           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1229         /* 98 - 4096x2160@24Hz 256:135 */
1230         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1231                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1232                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1233           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1234         /* 99 - 4096x2160@25Hz 256:135 */
1235         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1236                    5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1237                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1238           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1239         /* 100 - 4096x2160@30Hz 256:135 */
1240         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1241                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1242                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1243           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1244         /* 101 - 4096x2160@50Hz 256:135 */
1245         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1246                    5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1247                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1248           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1249         /* 102 - 4096x2160@60Hz 256:135 */
1250         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1251                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1252                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1253           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1254         /* 103 - 3840x2160@24Hz 64:27 */
1255         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1256                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1257                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1258           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1259         /* 104 - 3840x2160@25Hz 64:27 */
1260         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1261                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1262                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1263           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1264         /* 105 - 3840x2160@30Hz 64:27 */
1265         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1266                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1267                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1268           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1269         /* 106 - 3840x2160@50Hz 64:27 */
1270         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1271                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1272                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1273           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1274         /* 107 - 3840x2160@60Hz 64:27 */
1275         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1276                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1277                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1278           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1279         /* 108 - 1280x720@48Hz 16:9 */
1280         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1281                    2280, 2500, 0, 720, 725, 730, 750, 0,
1282                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1283           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1284         /* 109 - 1280x720@48Hz 64:27 */
1285         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1286                    2280, 2500, 0, 720, 725, 730, 750, 0,
1287                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1288           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1289         /* 110 - 1680x720@48Hz 64:27 */
1290         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490,
1291                    2530, 2750, 0, 720, 725, 730, 750, 0,
1292                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1293           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1294         /* 111 - 1920x1080@48Hz 16:9 */
1295         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1296                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1297                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1298           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1299         /* 112 - 1920x1080@48Hz 64:27 */
1300         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1301                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1302                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1303           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1304         /* 113 - 2560x1080@48Hz 64:27 */
1305         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558,
1306                    3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1307                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1308           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1309         /* 114 - 3840x2160@48Hz 16:9 */
1310         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1311                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1312                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1313           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1314         /* 115 - 4096x2160@48Hz 256:135 */
1315         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116,
1316                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1317                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1318           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1319         /* 116 - 3840x2160@48Hz 64:27 */
1320         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1321                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1322                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1323           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1324         /* 117 - 3840x2160@100Hz 16:9 */
1325         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1326                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1327                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1328           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1329         /* 118 - 3840x2160@120Hz 16:9 */
1330         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1331                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1332                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1333           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1334         /* 119 - 3840x2160@100Hz 64:27 */
1335         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1336                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1337                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1338           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1339         /* 120 - 3840x2160@120Hz 64:27 */
1340         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1341                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1342                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1343           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1344         /* 121 - 5120x2160@24Hz 64:27 */
1345         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116,
1346                    7204, 7500, 0, 2160, 2168, 2178, 2200, 0,
1347                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1348           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1349         /* 122 - 5120x2160@25Hz 64:27 */
1350         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816,
1351                    6904, 7200, 0, 2160, 2168, 2178, 2200, 0,
1352                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1353           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1354         /* 123 - 5120x2160@30Hz 64:27 */
1355         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784,
1356                    5872, 6000, 0, 2160, 2168, 2178, 2200, 0,
1357                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1358           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1359         /* 124 - 5120x2160@48Hz 64:27 */
1360         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866,
1361                    5954, 6250, 0, 2160, 2168, 2178, 2475, 0,
1362                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1363           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1364         /* 125 - 5120x2160@50Hz 64:27 */
1365         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216,
1366                    6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1367                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1368           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1369         /* 126 - 5120x2160@60Hz 64:27 */
1370         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284,
1371                    5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1372                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1373           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1374         /* 127 - 5120x2160@100Hz 64:27 */
1375         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216,
1376                    6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1377                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1378           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1379 };
1380
1381 /*
1382  * From CEA/CTA-861 spec.
1383  *
1384  * Do not access directly, instead always use cea_mode_for_vic().
1385  */
1386 static const struct drm_display_mode edid_cea_modes_193[] = {
1387         /* 193 - 5120x2160@120Hz 64:27 */
1388         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
1389                    5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1390                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1391           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1392         /* 194 - 7680x4320@24Hz 16:9 */
1393         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1394                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1395                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1396           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1397         /* 195 - 7680x4320@25Hz 16:9 */
1398         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1399                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1400                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1401           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1402         /* 196 - 7680x4320@30Hz 16:9 */
1403         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1404                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1405                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1406           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1407         /* 197 - 7680x4320@48Hz 16:9 */
1408         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1409                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1410                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1411           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1412         /* 198 - 7680x4320@50Hz 16:9 */
1413         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1414                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1415                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1416           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1417         /* 199 - 7680x4320@60Hz 16:9 */
1418         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1419                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1420                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1421           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1422         /* 200 - 7680x4320@100Hz 16:9 */
1423         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1424                    9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1425                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1426           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1427         /* 201 - 7680x4320@120Hz 16:9 */
1428         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1429                    8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1430                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1431           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1432         /* 202 - 7680x4320@24Hz 64:27 */
1433         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1434                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1435                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1436           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1437         /* 203 - 7680x4320@25Hz 64:27 */
1438         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1439                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1440                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1441           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1442         /* 204 - 7680x4320@30Hz 64:27 */
1443         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1444                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1445                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1446           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1447         /* 205 - 7680x4320@48Hz 64:27 */
1448         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1449                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1450                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1451           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1452         /* 206 - 7680x4320@50Hz 64:27 */
1453         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1454                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1455                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1456           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1457         /* 207 - 7680x4320@60Hz 64:27 */
1458         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1459                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1460                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1461           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1462         /* 208 - 7680x4320@100Hz 64:27 */
1463         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1464                    9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1465                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1466           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1467         /* 209 - 7680x4320@120Hz 64:27 */
1468         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1469                    8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1470                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1471           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1472         /* 210 - 10240x4320@24Hz 64:27 */
1473         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
1474                    11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1475                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1476           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1477         /* 211 - 10240x4320@25Hz 64:27 */
1478         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
1479                    12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1480                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1481           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1482         /* 212 - 10240x4320@30Hz 64:27 */
1483         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
1484                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1485                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1486           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1487         /* 213 - 10240x4320@48Hz 64:27 */
1488         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
1489                    11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1490                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1491           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1492         /* 214 - 10240x4320@50Hz 64:27 */
1493         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
1494                    12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1495                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1496           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1497         /* 215 - 10240x4320@60Hz 64:27 */
1498         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
1499                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1500                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1501           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1502         /* 216 - 10240x4320@100Hz 64:27 */
1503         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
1504                    12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
1505                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1506           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1507         /* 217 - 10240x4320@120Hz 64:27 */
1508         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
1509                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1510                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1511           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1512         /* 218 - 4096x2160@100Hz 256:135 */
1513         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
1514                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1515                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1516           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1517         /* 219 - 4096x2160@120Hz 256:135 */
1518         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
1519                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1520                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1521           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1522 };
1523
1524 /*
1525  * HDMI 1.4 4k modes. Index using the VIC.
1526  */
1527 static const struct drm_display_mode edid_4k_modes[] = {
1528         /* 0 - dummy, VICs start at 1 */
1529         { },
1530         /* 1 - 3840x2160@30Hz */
1531         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1532                    3840, 4016, 4104, 4400, 0,
1533                    2160, 2168, 2178, 2250, 0,
1534                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1535           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1536         /* 2 - 3840x2160@25Hz */
1537         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1538                    3840, 4896, 4984, 5280, 0,
1539                    2160, 2168, 2178, 2250, 0,
1540                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1541           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1542         /* 3 - 3840x2160@24Hz */
1543         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1544                    3840, 5116, 5204, 5500, 0,
1545                    2160, 2168, 2178, 2250, 0,
1546                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1547           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1548         /* 4 - 4096x2160@24Hz (SMPTE) */
1549         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1550                    4096, 5116, 5204, 5500, 0,
1551                    2160, 2168, 2178, 2250, 0,
1552                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1553           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1554 };
1555
1556 /*** DDC fetch and block validation ***/
1557
1558 static const u8 edid_header[] = {
1559         0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1560 };
1561
1562 /**
1563  * drm_edid_header_is_valid - sanity check the header of the base EDID block
1564  * @raw_edid: pointer to raw base EDID block
1565  *
1566  * Sanity check the header of the base EDID block.
1567  *
1568  * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1569  */
1570 int drm_edid_header_is_valid(const u8 *raw_edid)
1571 {
1572         int i, score = 0;
1573
1574         for (i = 0; i < sizeof(edid_header); i++)
1575                 if (raw_edid[i] == edid_header[i])
1576                         score++;
1577
1578         return score;
1579 }
1580 EXPORT_SYMBOL(drm_edid_header_is_valid);
1581
1582 static int edid_fixup __read_mostly = 6;
1583 module_param_named(edid_fixup, edid_fixup, int, 0400);
1584 MODULE_PARM_DESC(edid_fixup,
1585                  "Minimum number of valid EDID header bytes (0-8, default 6)");
1586
1587 static void drm_get_displayid(struct drm_connector *connector,
1588                               struct edid *edid);
1589 static int validate_displayid(u8 *displayid, int length, int idx);
1590
1591 static int drm_edid_block_checksum(const u8 *raw_edid)
1592 {
1593         int i;
1594         u8 csum = 0, crc = 0;
1595
1596         for (i = 0; i < EDID_LENGTH - 1; i++)
1597                 csum += raw_edid[i];
1598
1599         crc = 0x100 - csum;
1600
1601         return crc;
1602 }
1603
1604 static bool drm_edid_block_checksum_diff(const u8 *raw_edid, u8 real_checksum)
1605 {
1606         if (raw_edid[EDID_LENGTH - 1] != real_checksum)
1607                 return true;
1608         else
1609                 return false;
1610 }
1611
1612 static bool drm_edid_is_zero(const u8 *in_edid, int length)
1613 {
1614         if (memchr_inv(in_edid, 0, length))
1615                 return false;
1616
1617         return true;
1618 }
1619
1620 /**
1621  * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1622  * @raw_edid: pointer to raw EDID block
1623  * @block: type of block to validate (0 for base, extension otherwise)
1624  * @print_bad_edid: if true, dump bad EDID blocks to the console
1625  * @edid_corrupt: if true, the header or checksum is invalid
1626  *
1627  * Validate a base or extension EDID block and optionally dump bad blocks to
1628  * the console.
1629  *
1630  * Return: True if the block is valid, false otherwise.
1631  */
1632 bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
1633                           bool *edid_corrupt)
1634 {
1635         u8 csum;
1636         struct edid *edid = (struct edid *)raw_edid;
1637
1638         if (WARN_ON(!raw_edid))
1639                 return false;
1640
1641         if (edid_fixup > 8 || edid_fixup < 0)
1642                 edid_fixup = 6;
1643
1644         if (block == 0) {
1645                 int score = drm_edid_header_is_valid(raw_edid);
1646                 if (score == 8) {
1647                         if (edid_corrupt)
1648                                 *edid_corrupt = false;
1649                 } else if (score >= edid_fixup) {
1650                         /* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6
1651                          * The corrupt flag needs to be set here otherwise, the
1652                          * fix-up code here will correct the problem, the
1653                          * checksum is correct and the test fails
1654                          */
1655                         if (edid_corrupt)
1656                                 *edid_corrupt = true;
1657                         DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
1658                         memcpy(raw_edid, edid_header, sizeof(edid_header));
1659                 } else {
1660                         if (edid_corrupt)
1661                                 *edid_corrupt = true;
1662                         goto bad;
1663                 }
1664         }
1665
1666         csum = drm_edid_block_checksum(raw_edid);
1667         if (drm_edid_block_checksum_diff(raw_edid, csum)) {
1668                 if (edid_corrupt)
1669                         *edid_corrupt = true;
1670
1671                 /* allow CEA to slide through, switches mangle this */
1672                 if (raw_edid[0] == CEA_EXT) {
1673                         DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum);
1674                         DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n");
1675                 } else {
1676                         if (print_bad_edid)
1677                                 DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
1678
1679                         goto bad;
1680                 }
1681         }
1682
1683         /* per-block-type checks */
1684         switch (raw_edid[0]) {
1685         case 0: /* base */
1686                 if (edid->version != 1) {
1687                         DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
1688                         goto bad;
1689                 }
1690
1691                 if (edid->revision > 4)
1692                         DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
1693                 break;
1694
1695         default:
1696                 break;
1697         }
1698
1699         return true;
1700
1701 bad:
1702         if (print_bad_edid) {
1703                 if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1704                         pr_notice("EDID block is all zeroes\n");
1705                 } else {
1706                         pr_notice("Raw EDID:\n");
1707                         print_hex_dump(KERN_NOTICE,
1708                                        " \t", DUMP_PREFIX_NONE, 16, 1,
1709                                        raw_edid, EDID_LENGTH, false);
1710                 }
1711         }
1712         return false;
1713 }
1714 EXPORT_SYMBOL(drm_edid_block_valid);
1715
1716 /**
1717  * drm_edid_is_valid - sanity check EDID data
1718  * @edid: EDID data
1719  *
1720  * Sanity-check an entire EDID record (including extensions)
1721  *
1722  * Return: True if the EDID data is valid, false otherwise.
1723  */
1724 bool drm_edid_is_valid(struct edid *edid)
1725 {
1726         int i;
1727         u8 *raw = (u8 *)edid;
1728
1729         if (!edid)
1730                 return false;
1731
1732         for (i = 0; i <= edid->extensions; i++)
1733                 if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
1734                         return false;
1735
1736         return true;
1737 }
1738 EXPORT_SYMBOL(drm_edid_is_valid);
1739
1740 #define DDC_SEGMENT_ADDR 0x30
1741 /**
1742  * drm_do_probe_ddc_edid() - get EDID information via I2C
1743  * @data: I2C device adapter
1744  * @buf: EDID data buffer to be filled
1745  * @block: 128 byte EDID block to start fetching from
1746  * @len: EDID data buffer length to fetch
1747  *
1748  * Try to fetch EDID information by calling I2C driver functions.
1749  *
1750  * Return: 0 on success or -1 on failure.
1751  */
1752 static int
1753 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1754 {
1755         struct i2c_adapter *adapter = data;
1756         unsigned char start = block * EDID_LENGTH;
1757         unsigned char segment = block >> 1;
1758         unsigned char xfers = segment ? 3 : 2;
1759         int ret, retries = 5;
1760
1761         /*
1762          * The core I2C driver will automatically retry the transfer if the
1763          * adapter reports EAGAIN. However, we find that bit-banging transfers
1764          * are susceptible to errors under a heavily loaded machine and
1765          * generate spurious NAKs and timeouts. Retrying the transfer
1766          * of the individual block a few times seems to overcome this.
1767          */
1768         do {
1769                 struct i2c_msg msgs[] = {
1770                         {
1771                                 .addr   = DDC_SEGMENT_ADDR,
1772                                 .flags  = 0,
1773                                 .len    = 1,
1774                                 .buf    = &segment,
1775                         }, {
1776                                 .addr   = DDC_ADDR,
1777                                 .flags  = 0,
1778                                 .len    = 1,
1779                                 .buf    = &start,
1780                         }, {
1781                                 .addr   = DDC_ADDR,
1782                                 .flags  = I2C_M_RD,
1783                                 .len    = len,
1784                                 .buf    = buf,
1785                         }
1786                 };
1787
1788                 /*
1789                  * Avoid sending the segment addr to not upset non-compliant
1790                  * DDC monitors.
1791                  */
1792                 ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
1793
1794                 if (ret == -ENXIO) {
1795                         DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1796                                         adapter->name);
1797                         break;
1798                 }
1799         } while (ret != xfers && --retries);
1800
1801         return ret == xfers ? 0 : -1;
1802 }
1803
1804 static void connector_bad_edid(struct drm_connector *connector,
1805                                u8 *edid, int num_blocks)
1806 {
1807         int i;
1808         u8 num_of_ext = edid[0x7e];
1809
1810         /* Calculate real checksum for the last edid extension block data */
1811         connector->real_edid_checksum =
1812                 drm_edid_block_checksum(edid + num_of_ext * EDID_LENGTH);
1813
1814         if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
1815                 return;
1816
1817         dev_warn(connector->dev->dev,
1818                  "%s: EDID is invalid:\n",
1819                  connector->name);
1820         for (i = 0; i < num_blocks; i++) {
1821                 u8 *block = edid + i * EDID_LENGTH;
1822                 char prefix[20];
1823
1824                 if (drm_edid_is_zero(block, EDID_LENGTH))
1825                         sprintf(prefix, "\t[%02x] ZERO ", i);
1826                 else if (!drm_edid_block_valid(block, i, false, NULL))
1827                         sprintf(prefix, "\t[%02x] BAD  ", i);
1828                 else
1829                         sprintf(prefix, "\t[%02x] GOOD ", i);
1830
1831                 print_hex_dump(KERN_WARNING,
1832                                prefix, DUMP_PREFIX_NONE, 16, 1,
1833                                block, EDID_LENGTH, false);
1834         }
1835 }
1836
1837 /* Get override or firmware EDID */
1838 static struct edid *drm_get_override_edid(struct drm_connector *connector)
1839 {
1840         struct edid *override = NULL;
1841
1842         if (connector->override_edid)
1843                 override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1844
1845         if (!override)
1846                 override = drm_load_edid_firmware(connector);
1847
1848         return IS_ERR(override) ? NULL : override;
1849 }
1850
1851 /**
1852  * drm_add_override_edid_modes - add modes from override/firmware EDID
1853  * @connector: connector we're probing
1854  *
1855  * Add modes from the override/firmware EDID, if available. Only to be used from
1856  * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1857  * failed during drm_get_edid() and caused the override/firmware EDID to be
1858  * skipped.
1859  *
1860  * Return: The number of modes added or 0 if we couldn't find any.
1861  */
1862 int drm_add_override_edid_modes(struct drm_connector *connector)
1863 {
1864         struct edid *override;
1865         int num_modes = 0;
1866
1867         override = drm_get_override_edid(connector);
1868         if (override) {
1869                 drm_connector_update_edid_property(connector, override);
1870                 num_modes = drm_add_edid_modes(connector, override);
1871                 kfree(override);
1872
1873                 DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1874                               connector->base.id, connector->name, num_modes);
1875         }
1876
1877         return num_modes;
1878 }
1879 EXPORT_SYMBOL(drm_add_override_edid_modes);
1880
1881 /**
1882  * drm_do_get_edid - get EDID data using a custom EDID block read function
1883  * @connector: connector we're probing
1884  * @get_edid_block: EDID block read function
1885  * @data: private data passed to the block read function
1886  *
1887  * When the I2C adapter connected to the DDC bus is hidden behind a device that
1888  * exposes a different interface to read EDID blocks this function can be used
1889  * to get EDID data using a custom block read function.
1890  *
1891  * As in the general case the DDC bus is accessible by the kernel at the I2C
1892  * level, drivers must make all reasonable efforts to expose it as an I2C
1893  * adapter and use drm_get_edid() instead of abusing this function.
1894  *
1895  * The EDID may be overridden using debugfs override_edid or firmare EDID
1896  * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1897  * order. Having either of them bypasses actual EDID reads.
1898  *
1899  * Return: Pointer to valid EDID or NULL if we couldn't find any.
1900  */
1901 struct edid *drm_do_get_edid(struct drm_connector *connector,
1902         int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1903                               size_t len),
1904         void *data)
1905 {
1906         int i, j = 0, valid_extensions = 0;
1907         u8 *edid, *new;
1908         struct edid *override;
1909
1910         override = drm_get_override_edid(connector);
1911         if (override)
1912                 return override;
1913
1914         if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1915                 return NULL;
1916
1917         /* base block fetch */
1918         for (i = 0; i < 4; i++) {
1919                 if (get_edid_block(data, edid, 0, EDID_LENGTH))
1920                         goto out;
1921                 if (drm_edid_block_valid(edid, 0, false,
1922                                          &connector->edid_corrupt))
1923                         break;
1924                 if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1925                         connector->null_edid_counter++;
1926                         goto carp;
1927                 }
1928         }
1929         if (i == 4)
1930                 goto carp;
1931
1932         /* if there's no extensions, we're done */
1933         valid_extensions = edid[0x7e];
1934         if (valid_extensions == 0)
1935                 return (struct edid *)edid;
1936
1937         new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1938         if (!new)
1939                 goto out;
1940         edid = new;
1941
1942         for (j = 1; j <= edid[0x7e]; j++) {
1943                 u8 *block = edid + j * EDID_LENGTH;
1944
1945                 for (i = 0; i < 4; i++) {
1946                         if (get_edid_block(data, block, j, EDID_LENGTH))
1947                                 goto out;
1948                         if (drm_edid_block_valid(block, j, false, NULL))
1949                                 break;
1950                 }
1951
1952                 if (i == 4)
1953                         valid_extensions--;
1954         }
1955
1956         if (valid_extensions != edid[0x7e]) {
1957                 u8 *base;
1958
1959                 connector_bad_edid(connector, edid, edid[0x7e] + 1);
1960
1961                 edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
1962                 edid[0x7e] = valid_extensions;
1963
1964                 new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
1965                                     GFP_KERNEL);
1966                 if (!new)
1967                         goto out;
1968
1969                 base = new;
1970                 for (i = 0; i <= edid[0x7e]; i++) {
1971                         u8 *block = edid + i * EDID_LENGTH;
1972
1973                         if (!drm_edid_block_valid(block, i, false, NULL))
1974                                 continue;
1975
1976                         memcpy(base, block, EDID_LENGTH);
1977                         base += EDID_LENGTH;
1978                 }
1979
1980                 kfree(edid);
1981                 edid = new;
1982         }
1983
1984         return (struct edid *)edid;
1985
1986 carp:
1987         connector_bad_edid(connector, edid, 1);
1988 out:
1989         kfree(edid);
1990         return NULL;
1991 }
1992 EXPORT_SYMBOL_GPL(drm_do_get_edid);
1993
1994 /**
1995  * drm_probe_ddc() - probe DDC presence
1996  * @adapter: I2C adapter to probe
1997  *
1998  * Return: True on success, false on failure.
1999  */
2000 bool
2001 drm_probe_ddc(struct i2c_adapter *adapter)
2002 {
2003         unsigned char out;
2004
2005         return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2006 }
2007 EXPORT_SYMBOL(drm_probe_ddc);
2008
2009 /**
2010  * drm_get_edid - get EDID data, if available
2011  * @connector: connector we're probing
2012  * @adapter: I2C adapter to use for DDC
2013  *
2014  * Poke the given I2C channel to grab EDID data if possible.  If found,
2015  * attach it to the connector.
2016  *
2017  * Return: Pointer to valid EDID or NULL if we couldn't find any.
2018  */
2019 struct edid *drm_get_edid(struct drm_connector *connector,
2020                           struct i2c_adapter *adapter)
2021 {
2022         struct edid *edid;
2023
2024         if (connector->force == DRM_FORCE_OFF)
2025                 return NULL;
2026
2027         if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2028                 return NULL;
2029
2030         edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2031         if (edid)
2032                 drm_get_displayid(connector, edid);
2033         return edid;
2034 }
2035 EXPORT_SYMBOL(drm_get_edid);
2036
2037 /**
2038  * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2039  * @connector: connector we're probing
2040  * @adapter: I2C adapter to use for DDC
2041  *
2042  * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2043  * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2044  * switch DDC to the GPU which is retrieving EDID.
2045  *
2046  * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2047  */
2048 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2049                                      struct i2c_adapter *adapter)
2050 {
2051         struct pci_dev *pdev = connector->dev->pdev;
2052         struct edid *edid;
2053
2054         vga_switcheroo_lock_ddc(pdev);
2055         edid = drm_get_edid(connector, adapter);
2056         vga_switcheroo_unlock_ddc(pdev);
2057
2058         return edid;
2059 }
2060 EXPORT_SYMBOL(drm_get_edid_switcheroo);
2061
2062 /**
2063  * drm_edid_duplicate - duplicate an EDID and the extensions
2064  * @edid: EDID to duplicate
2065  *
2066  * Return: Pointer to duplicated EDID or NULL on allocation failure.
2067  */
2068 struct edid *drm_edid_duplicate(const struct edid *edid)
2069 {
2070         return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2071 }
2072 EXPORT_SYMBOL(drm_edid_duplicate);
2073
2074 /*** EDID parsing ***/
2075
2076 /**
2077  * edid_vendor - match a string against EDID's obfuscated vendor field
2078  * @edid: EDID to match
2079  * @vendor: vendor string
2080  *
2081  * Returns true if @vendor is in @edid, false otherwise
2082  */
2083 static bool edid_vendor(const struct edid *edid, const char *vendor)
2084 {
2085         char edid_vendor[3];
2086
2087         edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
2088         edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
2089                           ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
2090         edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
2091
2092         return !strncmp(edid_vendor, vendor, 3);
2093 }
2094
2095 /**
2096  * edid_get_quirks - return quirk flags for a given EDID
2097  * @edid: EDID to process
2098  *
2099  * This tells subsequent routines what fixes they need to apply.
2100  */
2101 static u32 edid_get_quirks(const struct edid *edid)
2102 {
2103         const struct edid_quirk *quirk;
2104         int i;
2105
2106         for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2107                 quirk = &edid_quirk_list[i];
2108
2109                 if (edid_vendor(edid, quirk->vendor) &&
2110                     (EDID_PRODUCT_ID(edid) == quirk->product_id))
2111                         return quirk->quirks;
2112         }
2113
2114         return 0;
2115 }
2116
2117 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2118 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2119
2120 /**
2121  * edid_fixup_preferred - set preferred modes based on quirk list
2122  * @connector: has mode list to fix up
2123  * @quirks: quirks list
2124  *
2125  * Walk the mode list for @connector, clearing the preferred status
2126  * on existing modes and setting it anew for the right mode ala @quirks.
2127  */
2128 static void edid_fixup_preferred(struct drm_connector *connector,
2129                                  u32 quirks)
2130 {
2131         struct drm_display_mode *t, *cur_mode, *preferred_mode;
2132         int target_refresh = 0;
2133         int cur_vrefresh, preferred_vrefresh;
2134
2135         if (list_empty(&connector->probed_modes))
2136                 return;
2137
2138         if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2139                 target_refresh = 60;
2140         if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2141                 target_refresh = 75;
2142
2143         preferred_mode = list_first_entry(&connector->probed_modes,
2144                                           struct drm_display_mode, head);
2145
2146         list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2147                 cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2148
2149                 if (cur_mode == preferred_mode)
2150                         continue;
2151
2152                 /* Largest mode is preferred */
2153                 if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2154                         preferred_mode = cur_mode;
2155
2156                 cur_vrefresh = cur_mode->vrefresh ?
2157                         cur_mode->vrefresh : drm_mode_vrefresh(cur_mode);
2158                 preferred_vrefresh = preferred_mode->vrefresh ?
2159                         preferred_mode->vrefresh : drm_mode_vrefresh(preferred_mode);
2160                 /* At a given size, try to get closest to target refresh */
2161                 if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2162                     MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2163                     MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2164                         preferred_mode = cur_mode;
2165                 }
2166         }
2167
2168         preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2169 }
2170
2171 static bool
2172 mode_is_rb(const struct drm_display_mode *mode)
2173 {
2174         return (mode->htotal - mode->hdisplay == 160) &&
2175                (mode->hsync_end - mode->hdisplay == 80) &&
2176                (mode->hsync_end - mode->hsync_start == 32) &&
2177                (mode->vsync_start - mode->vdisplay == 3);
2178 }
2179
2180 /*
2181  * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2182  * @dev: Device to duplicate against
2183  * @hsize: Mode width
2184  * @vsize: Mode height
2185  * @fresh: Mode refresh rate
2186  * @rb: Mode reduced-blanking-ness
2187  *
2188  * Walk the DMT mode list looking for a match for the given parameters.
2189  *
2190  * Return: A newly allocated copy of the mode, or NULL if not found.
2191  */
2192 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2193                                            int hsize, int vsize, int fresh,
2194                                            bool rb)
2195 {
2196         int i;
2197
2198         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2199                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2200                 if (hsize != ptr->hdisplay)
2201                         continue;
2202                 if (vsize != ptr->vdisplay)
2203                         continue;
2204                 if (fresh != drm_mode_vrefresh(ptr))
2205                         continue;
2206                 if (rb != mode_is_rb(ptr))
2207                         continue;
2208
2209                 return drm_mode_duplicate(dev, ptr);
2210         }
2211
2212         return NULL;
2213 }
2214 EXPORT_SYMBOL(drm_mode_find_dmt);
2215
2216 static bool is_display_descriptor(const u8 d[18], u8 tag)
2217 {
2218         return d[0] == 0x00 && d[1] == 0x00 &&
2219                 d[2] == 0x00 && d[3] == tag;
2220 }
2221
2222 static bool is_detailed_timing_descriptor(const u8 d[18])
2223 {
2224         return d[0] != 0x00 || d[1] != 0x00;
2225 }
2226
2227 typedef void detailed_cb(struct detailed_timing *timing, void *closure);
2228
2229 static void
2230 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2231 {
2232         int i, n;
2233         u8 d = ext[0x02];
2234         u8 *det_base = ext + d;
2235
2236         if (d < 4 || d > 127)
2237                 return;
2238
2239         n = (127 - d) / 18;
2240         for (i = 0; i < n; i++)
2241                 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2242 }
2243
2244 static void
2245 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2246 {
2247         unsigned int i, n = min((int)ext[0x02], 6);
2248         u8 *det_base = ext + 5;
2249
2250         if (ext[0x01] != 1)
2251                 return; /* unknown version */
2252
2253         for (i = 0; i < n; i++)
2254                 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2255 }
2256
2257 static void
2258 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
2259 {
2260         int i;
2261         struct edid *edid = (struct edid *)raw_edid;
2262
2263         if (edid == NULL)
2264                 return;
2265
2266         for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2267                 cb(&(edid->detailed_timings[i]), closure);
2268
2269         for (i = 1; i <= raw_edid[0x7e]; i++) {
2270                 u8 *ext = raw_edid + (i * EDID_LENGTH);
2271                 switch (*ext) {
2272                 case CEA_EXT:
2273                         cea_for_each_detailed_block(ext, cb, closure);
2274                         break;
2275                 case VTB_EXT:
2276                         vtb_for_each_detailed_block(ext, cb, closure);
2277                         break;
2278                 default:
2279                         break;
2280                 }
2281         }
2282 }
2283
2284 static void
2285 is_rb(struct detailed_timing *t, void *data)
2286 {
2287         u8 *r = (u8 *)t;
2288
2289         if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2290                 return;
2291
2292         if (r[15] & 0x10)
2293                 *(bool *)data = true;
2294 }
2295
2296 /* EDID 1.4 defines this explicitly.  For EDID 1.3, we guess, badly. */
2297 static bool
2298 drm_monitor_supports_rb(struct edid *edid)
2299 {
2300         if (edid->revision >= 4) {
2301                 bool ret = false;
2302                 drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2303                 return ret;
2304         }
2305
2306         return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2307 }
2308
2309 static void
2310 find_gtf2(struct detailed_timing *t, void *data)
2311 {
2312         u8 *r = (u8 *)t;
2313
2314         if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2315                 return;
2316
2317         if (r[10] == 0x02)
2318                 *(u8 **)data = r;
2319 }
2320
2321 /* Secondary GTF curve kicks in above some break frequency */
2322 static int
2323 drm_gtf2_hbreak(struct edid *edid)
2324 {
2325         u8 *r = NULL;
2326         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2327         return r ? (r[12] * 2) : 0;
2328 }
2329
2330 static int
2331 drm_gtf2_2c(struct edid *edid)
2332 {
2333         u8 *r = NULL;
2334         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2335         return r ? r[13] : 0;
2336 }
2337
2338 static int
2339 drm_gtf2_m(struct edid *edid)
2340 {
2341         u8 *r = NULL;
2342         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2343         return r ? (r[15] << 8) + r[14] : 0;
2344 }
2345
2346 static int
2347 drm_gtf2_k(struct edid *edid)
2348 {
2349         u8 *r = NULL;
2350         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2351         return r ? r[16] : 0;
2352 }
2353
2354 static int
2355 drm_gtf2_2j(struct edid *edid)
2356 {
2357         u8 *r = NULL;
2358         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2359         return r ? r[17] : 0;
2360 }
2361
2362 /**
2363  * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2364  * @edid: EDID block to scan
2365  */
2366 static int standard_timing_level(struct edid *edid)
2367 {
2368         if (edid->revision >= 2) {
2369                 if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2370                         return LEVEL_CVT;
2371                 if (drm_gtf2_hbreak(edid))
2372                         return LEVEL_GTF2;
2373                 if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2374                         return LEVEL_GTF;
2375         }
2376         return LEVEL_DMT;
2377 }
2378
2379 /*
2380  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
2381  * monitors fill with ascii space (0x20) instead.
2382  */
2383 static int
2384 bad_std_timing(u8 a, u8 b)
2385 {
2386         return (a == 0x00 && b == 0x00) ||
2387                (a == 0x01 && b == 0x01) ||
2388                (a == 0x20 && b == 0x20);
2389 }
2390
2391 /**
2392  * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2393  * @connector: connector of for the EDID block
2394  * @edid: EDID block to scan
2395  * @t: standard timing params
2396  *
2397  * Take the standard timing params (in this case width, aspect, and refresh)
2398  * and convert them into a real mode using CVT/GTF/DMT.
2399  */
2400 static struct drm_display_mode *
2401 drm_mode_std(struct drm_connector *connector, struct edid *edid,
2402              struct std_timing *t)
2403 {
2404         struct drm_device *dev = connector->dev;
2405         struct drm_display_mode *m, *mode = NULL;
2406         int hsize, vsize;
2407         int vrefresh_rate;
2408         unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2409                 >> EDID_TIMING_ASPECT_SHIFT;
2410         unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2411                 >> EDID_TIMING_VFREQ_SHIFT;
2412         int timing_level = standard_timing_level(edid);
2413
2414         if (bad_std_timing(t->hsize, t->vfreq_aspect))
2415                 return NULL;
2416
2417         /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2418         hsize = t->hsize * 8 + 248;
2419         /* vrefresh_rate = vfreq + 60 */
2420         vrefresh_rate = vfreq + 60;
2421         /* the vdisplay is calculated based on the aspect ratio */
2422         if (aspect_ratio == 0) {
2423                 if (edid->revision < 3)
2424                         vsize = hsize;
2425                 else
2426                         vsize = (hsize * 10) / 16;
2427         } else if (aspect_ratio == 1)
2428                 vsize = (hsize * 3) / 4;
2429         else if (aspect_ratio == 2)
2430                 vsize = (hsize * 4) / 5;
2431         else
2432                 vsize = (hsize * 9) / 16;
2433
2434         /* HDTV hack, part 1 */
2435         if (vrefresh_rate == 60 &&
2436             ((hsize == 1360 && vsize == 765) ||
2437              (hsize == 1368 && vsize == 769))) {
2438                 hsize = 1366;
2439                 vsize = 768;
2440         }
2441
2442         /*
2443          * If this connector already has a mode for this size and refresh
2444          * rate (because it came from detailed or CVT info), use that
2445          * instead.  This way we don't have to guess at interlace or
2446          * reduced blanking.
2447          */
2448         list_for_each_entry(m, &connector->probed_modes, head)
2449                 if (m->hdisplay == hsize && m->vdisplay == vsize &&
2450                     drm_mode_vrefresh(m) == vrefresh_rate)
2451                         return NULL;
2452
2453         /* HDTV hack, part 2 */
2454         if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2455                 mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2456                                     false);
2457                 if (!mode)
2458                         return NULL;
2459                 mode->hdisplay = 1366;
2460                 mode->hsync_start = mode->hsync_start - 1;
2461                 mode->hsync_end = mode->hsync_end - 1;
2462                 return mode;
2463         }
2464
2465         /* check whether it can be found in default mode table */
2466         if (drm_monitor_supports_rb(edid)) {
2467                 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2468                                          true);
2469                 if (mode)
2470                         return mode;
2471         }
2472         mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2473         if (mode)
2474                 return mode;
2475
2476         /* okay, generate it */
2477         switch (timing_level) {
2478         case LEVEL_DMT:
2479                 break;
2480         case LEVEL_GTF:
2481                 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2482                 break;
2483         case LEVEL_GTF2:
2484                 /*
2485                  * This is potentially wrong if there's ever a monitor with
2486                  * more than one ranges section, each claiming a different
2487                  * secondary GTF curve.  Please don't do that.
2488                  */
2489                 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2490                 if (!mode)
2491                         return NULL;
2492                 if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2493                         drm_mode_destroy(dev, mode);
2494                         mode = drm_gtf_mode_complex(dev, hsize, vsize,
2495                                                     vrefresh_rate, 0, 0,
2496                                                     drm_gtf2_m(edid),
2497                                                     drm_gtf2_2c(edid),
2498                                                     drm_gtf2_k(edid),
2499                                                     drm_gtf2_2j(edid));
2500                 }
2501                 break;
2502         case LEVEL_CVT:
2503                 mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2504                                     false);
2505                 break;
2506         }
2507         return mode;
2508 }
2509
2510 /*
2511  * EDID is delightfully ambiguous about how interlaced modes are to be
2512  * encoded.  Our internal representation is of frame height, but some
2513  * HDTV detailed timings are encoded as field height.
2514  *
2515  * The format list here is from CEA, in frame size.  Technically we
2516  * should be checking refresh rate too.  Whatever.
2517  */
2518 static void
2519 drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2520                             struct detailed_pixel_timing *pt)
2521 {
2522         int i;
2523         static const struct {
2524                 int w, h;
2525         } cea_interlaced[] = {
2526                 { 1920, 1080 },
2527                 {  720,  480 },
2528                 { 1440,  480 },
2529                 { 2880,  480 },
2530                 {  720,  576 },
2531                 { 1440,  576 },
2532                 { 2880,  576 },
2533         };
2534
2535         if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2536                 return;
2537
2538         for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2539                 if ((mode->hdisplay == cea_interlaced[i].w) &&
2540                     (mode->vdisplay == cea_interlaced[i].h / 2)) {
2541                         mode->vdisplay *= 2;
2542                         mode->vsync_start *= 2;
2543                         mode->vsync_end *= 2;
2544                         mode->vtotal *= 2;
2545                         mode->vtotal |= 1;
2546                 }
2547         }
2548
2549         mode->flags |= DRM_MODE_FLAG_INTERLACE;
2550 }
2551
2552 /**
2553  * drm_mode_detailed - create a new mode from an EDID detailed timing section
2554  * @dev: DRM device (needed to create new mode)
2555  * @edid: EDID block
2556  * @timing: EDID detailed timing info
2557  * @quirks: quirks to apply
2558  *
2559  * An EDID detailed timing block contains enough info for us to create and
2560  * return a new struct drm_display_mode.
2561  */
2562 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2563                                                   struct edid *edid,
2564                                                   struct detailed_timing *timing,
2565                                                   u32 quirks)
2566 {
2567         struct drm_display_mode *mode;
2568         struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2569         unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2570         unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2571         unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2572         unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2573         unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2574         unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2575         unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2576         unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2577
2578         /* ignore tiny modes */
2579         if (hactive < 64 || vactive < 64)
2580                 return NULL;
2581
2582         if (pt->misc & DRM_EDID_PT_STEREO) {
2583                 DRM_DEBUG_KMS("stereo mode not supported\n");
2584                 return NULL;
2585         }
2586         if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2587                 DRM_DEBUG_KMS("composite sync not supported\n");
2588         }
2589
2590         /* it is incorrect if hsync/vsync width is zero */
2591         if (!hsync_pulse_width || !vsync_pulse_width) {
2592                 DRM_DEBUG_KMS("Incorrect Detailed timing. "
2593                                 "Wrong Hsync/Vsync pulse width\n");
2594                 return NULL;
2595         }
2596
2597         if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2598                 mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2599                 if (!mode)
2600                         return NULL;
2601
2602                 goto set_size;
2603         }
2604
2605         mode = drm_mode_create(dev);
2606         if (!mode)
2607                 return NULL;
2608
2609         if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2610                 timing->pixel_clock = cpu_to_le16(1088);
2611
2612         mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2613
2614         mode->hdisplay = hactive;
2615         mode->hsync_start = mode->hdisplay + hsync_offset;
2616         mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2617         mode->htotal = mode->hdisplay + hblank;
2618
2619         mode->vdisplay = vactive;
2620         mode->vsync_start = mode->vdisplay + vsync_offset;
2621         mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2622         mode->vtotal = mode->vdisplay + vblank;
2623
2624         /* Some EDIDs have bogus h/vtotal values */
2625         if (mode->hsync_end > mode->htotal)
2626                 mode->htotal = mode->hsync_end + 1;
2627         if (mode->vsync_end > mode->vtotal)
2628                 mode->vtotal = mode->vsync_end + 1;
2629
2630         drm_mode_do_interlace_quirk(mode, pt);
2631
2632         if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2633                 pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
2634         }
2635
2636         mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2637                 DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2638         mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2639                 DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2640
2641 set_size:
2642         mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2643         mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2644
2645         if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2646                 mode->width_mm *= 10;
2647                 mode->height_mm *= 10;
2648         }
2649
2650         if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2651                 mode->width_mm = edid->width_cm * 10;
2652                 mode->height_mm = edid->height_cm * 10;
2653         }
2654
2655         mode->type = DRM_MODE_TYPE_DRIVER;
2656         mode->vrefresh = drm_mode_vrefresh(mode);
2657         drm_mode_set_name(mode);
2658
2659         return mode;
2660 }
2661
2662 static bool
2663 mode_in_hsync_range(const struct drm_display_mode *mode,
2664                     struct edid *edid, u8 *t)
2665 {
2666         int hsync, hmin, hmax;
2667
2668         hmin = t[7];
2669         if (edid->revision >= 4)
2670             hmin += ((t[4] & 0x04) ? 255 : 0);
2671         hmax = t[8];
2672         if (edid->revision >= 4)
2673             hmax += ((t[4] & 0x08) ? 255 : 0);
2674         hsync = drm_mode_hsync(mode);
2675
2676         return (hsync <= hmax && hsync >= hmin);
2677 }
2678
2679 static bool
2680 mode_in_vsync_range(const struct drm_display_mode *mode,
2681                     struct edid *edid, u8 *t)
2682 {
2683         int vsync, vmin, vmax;
2684
2685         vmin = t[5];
2686         if (edid->revision >= 4)
2687             vmin += ((t[4] & 0x01) ? 255 : 0);
2688         vmax = t[6];
2689         if (edid->revision >= 4)
2690             vmax += ((t[4] & 0x02) ? 255 : 0);
2691         vsync = drm_mode_vrefresh(mode);
2692
2693         return (vsync <= vmax && vsync >= vmin);
2694 }
2695
2696 static u32
2697 range_pixel_clock(struct edid *edid, u8 *t)
2698 {
2699         /* unspecified */
2700         if (t[9] == 0 || t[9] == 255)
2701                 return 0;
2702
2703         /* 1.4 with CVT support gives us real precision, yay */
2704         if (edid->revision >= 4 && t[10] == 0x04)
2705                 return (t[9] * 10000) - ((t[12] >> 2) * 250);
2706
2707         /* 1.3 is pathetic, so fuzz up a bit */
2708         return t[9] * 10000 + 5001;
2709 }
2710
2711 static bool
2712 mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2713               struct detailed_timing *timing)
2714 {
2715         u32 max_clock;
2716         u8 *t = (u8 *)timing;
2717
2718         if (!mode_in_hsync_range(mode, edid, t))
2719                 return false;
2720
2721         if (!mode_in_vsync_range(mode, edid, t))
2722                 return false;
2723
2724         if ((max_clock = range_pixel_clock(edid, t)))
2725                 if (mode->clock > max_clock)
2726                         return false;
2727
2728         /* 1.4 max horizontal check */
2729         if (edid->revision >= 4 && t[10] == 0x04)
2730                 if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2731                         return false;
2732
2733         if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2734                 return false;
2735
2736         return true;
2737 }
2738
2739 static bool valid_inferred_mode(const struct drm_connector *connector,
2740                                 const struct drm_display_mode *mode)
2741 {
2742         const struct drm_display_mode *m;
2743         bool ok = false;
2744
2745         list_for_each_entry(m, &connector->probed_modes, head) {
2746                 if (mode->hdisplay == m->hdisplay &&
2747                     mode->vdisplay == m->vdisplay &&
2748                     drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2749                         return false; /* duplicated */
2750                 if (mode->hdisplay <= m->hdisplay &&
2751                     mode->vdisplay <= m->vdisplay)
2752                         ok = true;
2753         }
2754         return ok;
2755 }
2756
2757 static int
2758 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2759                         struct detailed_timing *timing)
2760 {
2761         int i, modes = 0;
2762         struct drm_display_mode *newmode;
2763         struct drm_device *dev = connector->dev;
2764
2765         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2766                 if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2767                     valid_inferred_mode(connector, drm_dmt_modes + i)) {
2768                         newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2769                         if (newmode) {
2770                                 drm_mode_probed_add(connector, newmode);
2771                                 modes++;
2772                         }
2773                 }
2774         }
2775
2776         return modes;
2777 }
2778
2779 /* fix up 1366x768 mode from 1368x768;
2780  * GFT/CVT can't express 1366 width which isn't dividable by 8
2781  */
2782 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2783 {
2784         if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2785                 mode->hdisplay = 1366;
2786                 mode->hsync_start--;
2787                 mode->hsync_end--;
2788                 drm_mode_set_name(mode);
2789         }
2790 }
2791
2792 static int
2793 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2794                         struct detailed_timing *timing)
2795 {
2796         int i, modes = 0;
2797         struct drm_display_mode *newmode;
2798         struct drm_device *dev = connector->dev;
2799
2800         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2801                 const struct minimode *m = &extra_modes[i];
2802                 newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2803                 if (!newmode)
2804                         return modes;
2805
2806                 drm_mode_fixup_1366x768(newmode);
2807                 if (!mode_in_range(newmode, edid, timing) ||
2808                     !valid_inferred_mode(connector, newmode)) {
2809                         drm_mode_destroy(dev, newmode);
2810                         continue;
2811                 }
2812
2813                 drm_mode_probed_add(connector, newmode);
2814                 modes++;
2815         }
2816
2817         return modes;
2818 }
2819
2820 static int
2821 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2822                         struct detailed_timing *timing)
2823 {
2824         int i, modes = 0;
2825         struct drm_display_mode *newmode;
2826         struct drm_device *dev = connector->dev;
2827         bool rb = drm_monitor_supports_rb(edid);
2828
2829         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2830                 const struct minimode *m = &extra_modes[i];
2831                 newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2832                 if (!newmode)
2833                         return modes;
2834
2835                 drm_mode_fixup_1366x768(newmode);
2836                 if (!mode_in_range(newmode, edid, timing) ||
2837                     !valid_inferred_mode(connector, newmode)) {
2838                         drm_mode_destroy(dev, newmode);
2839                         continue;
2840                 }
2841
2842                 drm_mode_probed_add(connector, newmode);
2843                 modes++;
2844         }
2845
2846         return modes;
2847 }
2848
2849 static void
2850 do_inferred_modes(struct detailed_timing *timing, void *c)
2851 {
2852         struct detailed_mode_closure *closure = c;
2853         struct detailed_non_pixel *data = &timing->data.other_data;
2854         struct detailed_data_monitor_range *range = &data->data.range;
2855
2856         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
2857                 return;
2858
2859         closure->modes += drm_dmt_modes_for_range(closure->connector,
2860                                                   closure->edid,
2861                                                   timing);
2862
2863         if (!version_greater(closure->edid, 1, 1))
2864                 return; /* GTF not defined yet */
2865
2866         switch (range->flags) {
2867         case 0x02: /* secondary gtf, XXX could do more */
2868         case 0x00: /* default gtf */
2869                 closure->modes += drm_gtf_modes_for_range(closure->connector,
2870                                                           closure->edid,
2871                                                           timing);
2872                 break;
2873         case 0x04: /* cvt, only in 1.4+ */
2874                 if (!version_greater(closure->edid, 1, 3))
2875                         break;
2876
2877                 closure->modes += drm_cvt_modes_for_range(closure->connector,
2878                                                           closure->edid,
2879                                                           timing);
2880                 break;
2881         case 0x01: /* just the ranges, no formula */
2882         default:
2883                 break;
2884         }
2885 }
2886
2887 static int
2888 add_inferred_modes(struct drm_connector *connector, struct edid *edid)
2889 {
2890         struct detailed_mode_closure closure = {
2891                 .connector = connector,
2892                 .edid = edid,
2893         };
2894
2895         if (version_greater(edid, 1, 0))
2896                 drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
2897                                             &closure);
2898
2899         return closure.modes;
2900 }
2901
2902 static int
2903 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
2904 {
2905         int i, j, m, modes = 0;
2906         struct drm_display_mode *mode;
2907         u8 *est = ((u8 *)timing) + 6;
2908
2909         for (i = 0; i < 6; i++) {
2910                 for (j = 7; j >= 0; j--) {
2911                         m = (i * 8) + (7 - j);
2912                         if (m >= ARRAY_SIZE(est3_modes))
2913                                 break;
2914                         if (est[i] & (1 << j)) {
2915                                 mode = drm_mode_find_dmt(connector->dev,
2916                                                          est3_modes[m].w,
2917                                                          est3_modes[m].h,
2918                                                          est3_modes[m].r,
2919                                                          est3_modes[m].rb);
2920                                 if (mode) {
2921                                         drm_mode_probed_add(connector, mode);
2922                                         modes++;
2923                                 }
2924                         }
2925                 }
2926         }
2927
2928         return modes;
2929 }
2930
2931 static void
2932 do_established_modes(struct detailed_timing *timing, void *c)
2933 {
2934         struct detailed_mode_closure *closure = c;
2935
2936         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_EST_TIMINGS))
2937                 return;
2938
2939         closure->modes += drm_est3_modes(closure->connector, timing);
2940 }
2941
2942 /**
2943  * add_established_modes - get est. modes from EDID and add them
2944  * @connector: connector to add mode(s) to
2945  * @edid: EDID block to scan
2946  *
2947  * Each EDID block contains a bitmap of the supported "established modes" list
2948  * (defined above).  Tease them out and add them to the global modes list.
2949  */
2950 static int
2951 add_established_modes(struct drm_connector *connector, struct edid *edid)
2952 {
2953         struct drm_device *dev = connector->dev;
2954         unsigned long est_bits = edid->established_timings.t1 |
2955                 (edid->established_timings.t2 << 8) |
2956                 ((edid->established_timings.mfg_rsvd & 0x80) << 9);
2957         int i, modes = 0;
2958         struct detailed_mode_closure closure = {
2959                 .connector = connector,
2960                 .edid = edid,
2961         };
2962
2963         for (i = 0; i <= EDID_EST_TIMINGS; i++) {
2964                 if (est_bits & (1<<i)) {
2965                         struct drm_display_mode *newmode;
2966                         newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
2967                         if (newmode) {
2968                                 drm_mode_probed_add(connector, newmode);
2969                                 modes++;
2970                         }
2971                 }
2972         }
2973
2974         if (version_greater(edid, 1, 0))
2975                     drm_for_each_detailed_block((u8 *)edid,
2976                                                 do_established_modes, &closure);
2977
2978         return modes + closure.modes;
2979 }
2980
2981 static void
2982 do_standard_modes(struct detailed_timing *timing, void *c)
2983 {
2984         struct detailed_mode_closure *closure = c;
2985         struct detailed_non_pixel *data = &timing->data.other_data;
2986         struct drm_connector *connector = closure->connector;
2987         struct edid *edid = closure->edid;
2988         int i;
2989
2990         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_STD_MODES))
2991                 return;
2992
2993         for (i = 0; i < 6; i++) {
2994                 struct std_timing *std = &data->data.timings[i];
2995                 struct drm_display_mode *newmode;
2996
2997                 newmode = drm_mode_std(connector, edid, std);
2998                 if (newmode) {
2999                         drm_mode_probed_add(connector, newmode);
3000                         closure->modes++;
3001                 }
3002         }
3003 }
3004
3005 /**
3006  * add_standard_modes - get std. modes from EDID and add them
3007  * @connector: connector to add mode(s) to
3008  * @edid: EDID block to scan
3009  *
3010  * Standard modes can be calculated using the appropriate standard (DMT,
3011  * GTF or CVT. Grab them from @edid and add them to the list.
3012  */
3013 static int
3014 add_standard_modes(struct drm_connector *connector, struct edid *edid)
3015 {
3016         int i, modes = 0;
3017         struct detailed_mode_closure closure = {
3018                 .connector = connector,
3019                 .edid = edid,
3020         };
3021
3022         for (i = 0; i < EDID_STD_TIMINGS; i++) {
3023                 struct drm_display_mode *newmode;
3024
3025                 newmode = drm_mode_std(connector, edid,
3026                                        &edid->standard_timings[i]);
3027                 if (newmode) {
3028                         drm_mode_probed_add(connector, newmode);
3029                         modes++;
3030                 }
3031         }
3032
3033         if (version_greater(edid, 1, 0))
3034                 drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
3035                                             &closure);
3036
3037         /* XXX should also look for standard codes in VTB blocks */
3038
3039         return modes + closure.modes;
3040 }
3041
3042 static int drm_cvt_modes(struct drm_connector *connector,
3043                          struct detailed_timing *timing)
3044 {
3045         int i, j, modes = 0;
3046         struct drm_display_mode *newmode;
3047         struct drm_device *dev = connector->dev;
3048         struct cvt_timing *cvt;
3049         const int rates[] = { 60, 85, 75, 60, 50 };
3050         const u8 empty[3] = { 0, 0, 0 };
3051
3052         for (i = 0; i < 4; i++) {
3053                 int uninitialized_var(width), height;
3054                 cvt = &(timing->data.other_data.data.cvt[i]);
3055
3056                 if (!memcmp(cvt->code, empty, 3))
3057                         continue;
3058
3059                 height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3060                 switch (cvt->code[1] & 0x0c) {
3061                 case 0x00:
3062                         width = height * 4 / 3;
3063                         break;
3064                 case 0x04:
3065                         width = height * 16 / 9;
3066                         break;
3067                 case 0x08:
3068                         width = height * 16 / 10;
3069                         break;
3070                 case 0x0c:
3071                         width = height * 15 / 9;
3072                         break;
3073                 }
3074
3075                 for (j = 1; j < 5; j++) {
3076                         if (cvt->code[2] & (1 << j)) {
3077                                 newmode = drm_cvt_mode(dev, width, height,
3078                                                        rates[j], j == 0,
3079                                                        false, false);
3080                                 if (newmode) {
3081                                         drm_mode_probed_add(connector, newmode);
3082                                         modes++;
3083                                 }
3084                         }
3085                 }
3086         }
3087
3088         return modes;
3089 }
3090
3091 static void
3092 do_cvt_mode(struct detailed_timing *timing, void *c)
3093 {
3094         struct detailed_mode_closure *closure = c;
3095
3096         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_CVT_3BYTE))
3097                 return;
3098
3099         closure->modes += drm_cvt_modes(closure->connector, timing);
3100 }
3101
3102 static int
3103 add_cvt_modes(struct drm_connector *connector, struct edid *edid)
3104 {
3105         struct detailed_mode_closure closure = {
3106                 .connector = connector,
3107                 .edid = edid,
3108         };
3109
3110         if (version_greater(edid, 1, 2))
3111                 drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
3112
3113         /* XXX should also look for CVT codes in VTB blocks */
3114
3115         return closure.modes;
3116 }
3117
3118 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3119
3120 static void
3121 do_detailed_mode(struct detailed_timing *timing, void *c)
3122 {
3123         struct detailed_mode_closure *closure = c;
3124         struct drm_display_mode *newmode;
3125
3126         if (!is_detailed_timing_descriptor((const u8 *)timing))
3127                 return;
3128
3129         newmode = drm_mode_detailed(closure->connector->dev,
3130                                     closure->edid, timing,
3131                                     closure->quirks);
3132         if (!newmode)
3133                 return;
3134
3135         if (closure->preferred)
3136                 newmode->type |= DRM_MODE_TYPE_PREFERRED;
3137
3138         /*
3139          * Detailed modes are limited to 10kHz pixel clock resolution,
3140          * so fix up anything that looks like CEA/HDMI mode, but the clock
3141          * is just slightly off.
3142          */
3143         fixup_detailed_cea_mode_clock(newmode);
3144
3145         drm_mode_probed_add(closure->connector, newmode);
3146         closure->modes++;
3147         closure->preferred = false;
3148 }
3149
3150 /*
3151  * add_detailed_modes - Add modes from detailed timings
3152  * @connector: attached connector
3153  * @edid: EDID block to scan
3154  * @quirks: quirks to apply
3155  */
3156 static int
3157 add_detailed_modes(struct drm_connector *connector, struct edid *edid,
3158                    u32 quirks)
3159 {
3160         struct detailed_mode_closure closure = {
3161                 .connector = connector,
3162                 .edid = edid,
3163                 .preferred = true,
3164                 .quirks = quirks,
3165         };
3166
3167         if (closure.preferred && !version_greater(edid, 1, 3))
3168                 closure.preferred =
3169                     (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3170
3171         drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
3172
3173         return closure.modes;
3174 }
3175
3176 #define AUDIO_BLOCK     0x01
3177 #define VIDEO_BLOCK     0x02
3178 #define VENDOR_BLOCK    0x03
3179 #define SPEAKER_BLOCK   0x04
3180 #define HDR_STATIC_METADATA_BLOCK       0x6
3181 #define USE_EXTENDED_TAG 0x07
3182 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3183 #define EXT_VIDEO_DATA_BLOCK_420        0x0E
3184 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3185 #define EDID_BASIC_AUDIO        (1 << 6)
3186 #define EDID_CEA_YCRCB444       (1 << 5)
3187 #define EDID_CEA_YCRCB422       (1 << 4)
3188 #define EDID_CEA_VCDB_QS        (1 << 6)
3189
3190 /*
3191  * Search EDID for CEA extension block.
3192  */
3193 static u8 *drm_find_edid_extension(const struct edid *edid, int ext_id)
3194 {
3195         u8 *edid_ext = NULL;
3196         int i;
3197
3198         /* No EDID or EDID extensions */
3199         if (edid == NULL || edid->extensions == 0)
3200                 return NULL;
3201
3202         /* Find CEA extension */
3203         for (i = 0; i < edid->extensions; i++) {
3204                 edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
3205                 if (edid_ext[0] == ext_id)
3206                         break;
3207         }
3208
3209         if (i == edid->extensions)
3210                 return NULL;
3211
3212         return edid_ext;
3213 }
3214
3215
3216 static u8 *drm_find_displayid_extension(const struct edid *edid)
3217 {
3218         return drm_find_edid_extension(edid, DISPLAYID_EXT);
3219 }
3220
3221 static u8 *drm_find_cea_extension(const struct edid *edid)
3222 {
3223         int ret;
3224         int idx = 1;
3225         int length = EDID_LENGTH;
3226         struct displayid_block *block;
3227         u8 *cea;
3228         u8 *displayid;
3229
3230         /* Look for a top level CEA extension block */
3231         cea = drm_find_edid_extension(edid, CEA_EXT);
3232         if (cea)
3233                 return cea;
3234
3235         /* CEA blocks can also be found embedded in a DisplayID block */
3236         displayid = drm_find_displayid_extension(edid);
3237         if (!displayid)
3238                 return NULL;
3239
3240         ret = validate_displayid(displayid, length, idx);
3241         if (ret)
3242                 return NULL;
3243
3244         idx += sizeof(struct displayid_hdr);
3245         for_each_displayid_db(displayid, block, idx, length) {
3246                 if (block->tag == DATA_BLOCK_CTA) {
3247                         cea = (u8 *)block;
3248                         break;
3249                 }
3250         }
3251
3252         return cea;
3253 }
3254
3255 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3256 {
3257         BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3258         BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3259
3260         if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3261                 return &edid_cea_modes_1[vic - 1];
3262         if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3263                 return &edid_cea_modes_193[vic - 193];
3264         return NULL;
3265 }
3266
3267 static u8 cea_num_vics(void)
3268 {
3269         return 193 + ARRAY_SIZE(edid_cea_modes_193);
3270 }
3271
3272 static u8 cea_next_vic(u8 vic)
3273 {
3274         if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3275                 vic = 193;
3276         return vic;
3277 }
3278
3279 /*
3280  * Calculate the alternate clock for the CEA mode
3281  * (60Hz vs. 59.94Hz etc.)
3282  */
3283 static unsigned int
3284 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3285 {
3286         unsigned int clock = cea_mode->clock;
3287
3288         if (cea_mode->vrefresh % 6 != 0)
3289                 return clock;
3290
3291         /*
3292          * edid_cea_modes contains the 59.94Hz
3293          * variant for 240 and 480 line modes,
3294          * and the 60Hz variant otherwise.
3295          */
3296         if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3297                 clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3298         else
3299                 clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3300
3301         return clock;
3302 }
3303
3304 static bool
3305 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3306 {
3307         /*
3308          * For certain VICs the spec allows the vertical
3309          * front porch to vary by one or two lines.
3310          *
3311          * cea_modes[] stores the variant with the shortest
3312          * vertical front porch. We can adjust the mode to
3313          * get the other variants by simply increasing the
3314          * vertical front porch length.
3315          */
3316         BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3317                      cea_mode_for_vic(9)->vtotal != 262 ||
3318                      cea_mode_for_vic(12)->vtotal != 262 ||
3319                      cea_mode_for_vic(13)->vtotal != 262 ||
3320                      cea_mode_for_vic(23)->vtotal != 312 ||
3321                      cea_mode_for_vic(24)->vtotal != 312 ||
3322                      cea_mode_for_vic(27)->vtotal != 312 ||
3323                      cea_mode_for_vic(28)->vtotal != 312);
3324
3325         if (((vic == 8 || vic == 9 ||
3326               vic == 12 || vic == 13) && mode->vtotal < 263) ||
3327             ((vic == 23 || vic == 24 ||
3328               vic == 27 || vic == 28) && mode->vtotal < 314)) {
3329                 mode->vsync_start++;
3330                 mode->vsync_end++;
3331                 mode->vtotal++;
3332
3333                 return true;
3334         }
3335
3336         return false;
3337 }
3338
3339 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3340                                              unsigned int clock_tolerance)
3341 {
3342         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3343         u8 vic;
3344
3345         if (!to_match->clock)
3346                 return 0;
3347
3348         if (to_match->picture_aspect_ratio)
3349                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3350
3351         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3352                 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3353                 unsigned int clock1, clock2;
3354
3355                 /* Check both 60Hz and 59.94Hz */
3356                 clock1 = cea_mode.clock;
3357                 clock2 = cea_mode_alternate_clock(&cea_mode);
3358
3359                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3360                     abs(to_match->clock - clock2) > clock_tolerance)
3361                         continue;
3362
3363                 do {
3364                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3365                                 return vic;
3366                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3367         }
3368
3369         return 0;
3370 }
3371
3372 /**
3373  * drm_match_cea_mode - look for a CEA mode matching given mode
3374  * @to_match: display mode
3375  *
3376  * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3377  * mode.
3378  */
3379 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3380 {
3381         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3382         u8 vic;
3383
3384         if (!to_match->clock)
3385                 return 0;
3386
3387         if (to_match->picture_aspect_ratio)
3388                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3389
3390         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3391                 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3392                 unsigned int clock1, clock2;
3393
3394                 /* Check both 60Hz and 59.94Hz */
3395                 clock1 = cea_mode.clock;
3396                 clock2 = cea_mode_alternate_clock(&cea_mode);
3397
3398                 if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3399                     KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3400                         continue;
3401
3402                 do {
3403                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3404                                 return vic;
3405                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3406         }
3407
3408         return 0;
3409 }
3410 EXPORT_SYMBOL(drm_match_cea_mode);
3411
3412 static bool drm_valid_cea_vic(u8 vic)
3413 {
3414         return cea_mode_for_vic(vic) != NULL;
3415 }
3416
3417 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3418 {
3419         const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3420
3421         if (mode)
3422                 return mode->picture_aspect_ratio;
3423
3424         return HDMI_PICTURE_ASPECT_NONE;
3425 }
3426
3427 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3428 {
3429         return edid_4k_modes[video_code].picture_aspect_ratio;
3430 }
3431
3432 /*
3433  * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3434  * specific block).
3435  */
3436 static unsigned int
3437 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3438 {
3439         return cea_mode_alternate_clock(hdmi_mode);
3440 }
3441
3442 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3443                                               unsigned int clock_tolerance)
3444 {
3445         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3446         u8 vic;
3447
3448         if (!to_match->clock)
3449                 return 0;
3450
3451         if (to_match->picture_aspect_ratio)
3452                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3453
3454         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3455                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3456                 unsigned int clock1, clock2;
3457
3458                 /* Make sure to also match alternate clocks */
3459                 clock1 = hdmi_mode->clock;
3460                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3461
3462                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3463                     abs(to_match->clock - clock2) > clock_tolerance)
3464                         continue;
3465
3466                 if (drm_mode_match(to_match, hdmi_mode, match_flags))
3467                         return vic;
3468         }
3469
3470         return 0;
3471 }
3472
3473 /*
3474  * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3475  * @to_match: display mode
3476  *
3477  * An HDMI mode is one defined in the HDMI vendor specific block.
3478  *
3479  * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3480  */
3481 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3482 {
3483         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3484         u8 vic;
3485
3486         if (!to_match->clock)
3487                 return 0;
3488
3489         if (to_match->picture_aspect_ratio)
3490                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3491
3492         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3493                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3494                 unsigned int clock1, clock2;
3495
3496                 /* Make sure to also match alternate clocks */
3497                 clock1 = hdmi_mode->clock;
3498                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3499
3500                 if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3501                      KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3502                     drm_mode_match(to_match, hdmi_mode, match_flags))
3503                         return vic;
3504         }
3505         return 0;
3506 }
3507
3508 static bool drm_valid_hdmi_vic(u8 vic)
3509 {
3510         return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3511 }
3512
3513 static int
3514 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3515 {
3516         struct drm_device *dev = connector->dev;
3517         struct drm_display_mode *mode, *tmp;
3518         LIST_HEAD(list);
3519         int modes = 0;
3520
3521         /* Don't add CEA modes if the CEA extension block is missing */
3522         if (!drm_find_cea_extension(edid))
3523                 return 0;
3524
3525         /*
3526          * Go through all probed modes and create a new mode
3527          * with the alternate clock for certain CEA modes.
3528          */
3529         list_for_each_entry(mode, &connector->probed_modes, head) {
3530                 const struct drm_display_mode *cea_mode = NULL;
3531                 struct drm_display_mode *newmode;
3532                 u8 vic = drm_match_cea_mode(mode);
3533                 unsigned int clock1, clock2;
3534
3535                 if (drm_valid_cea_vic(vic)) {
3536                         cea_mode = cea_mode_for_vic(vic);
3537                         clock2 = cea_mode_alternate_clock(cea_mode);
3538                 } else {
3539                         vic = drm_match_hdmi_mode(mode);
3540                         if (drm_valid_hdmi_vic(vic)) {
3541                                 cea_mode = &edid_4k_modes[vic];
3542                                 clock2 = hdmi_mode_alternate_clock(cea_mode);
3543                         }
3544                 }
3545
3546                 if (!cea_mode)
3547                         continue;
3548
3549                 clock1 = cea_mode->clock;
3550
3551                 if (clock1 == clock2)
3552                         continue;
3553
3554                 if (mode->clock != clock1 && mode->clock != clock2)
3555                         continue;
3556
3557                 newmode = drm_mode_duplicate(dev, cea_mode);
3558                 if (!newmode)
3559                         continue;
3560
3561                 /* Carry over the stereo flags */
3562                 newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3563
3564                 /*
3565                  * The current mode could be either variant. Make
3566                  * sure to pick the "other" clock for the new mode.
3567                  */
3568                 if (mode->clock != clock1)
3569                         newmode->clock = clock1;
3570                 else
3571                         newmode->clock = clock2;
3572
3573                 list_add_tail(&newmode->head, &list);
3574         }
3575
3576         list_for_each_entry_safe(mode, tmp, &list, head) {
3577                 list_del(&mode->head);
3578                 drm_mode_probed_add(connector, mode);
3579                 modes++;
3580         }
3581
3582         return modes;
3583 }
3584
3585 static u8 svd_to_vic(u8 svd)
3586 {
3587         /* 0-6 bit vic, 7th bit native mode indicator */
3588         if ((svd >= 1 &&  svd <= 64) || (svd >= 129 && svd <= 192))
3589                 return svd & 127;
3590
3591         return svd;
3592 }
3593
3594 static struct drm_display_mode *
3595 drm_display_mode_from_vic_index(struct drm_connector *connector,
3596                                 const u8 *video_db, u8 video_len,
3597                                 u8 video_index)
3598 {
3599         struct drm_device *dev = connector->dev;
3600         struct drm_display_mode *newmode;
3601         u8 vic;
3602
3603         if (video_db == NULL || video_index >= video_len)
3604                 return NULL;
3605
3606         /* CEA modes are numbered 1..127 */
3607         vic = svd_to_vic(video_db[video_index]);
3608         if (!drm_valid_cea_vic(vic))
3609                 return NULL;
3610
3611         newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3612         if (!newmode)
3613                 return NULL;
3614
3615         newmode->vrefresh = 0;
3616
3617         return newmode;
3618 }
3619
3620 /*
3621  * do_y420vdb_modes - Parse YCBCR 420 only modes
3622  * @connector: connector corresponding to the HDMI sink
3623  * @svds: start of the data block of CEA YCBCR 420 VDB
3624  * @len: length of the CEA YCBCR 420 VDB
3625  *
3626  * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3627  * which contains modes which can be supported in YCBCR 420
3628  * output format only.
3629  */
3630 static int do_y420vdb_modes(struct drm_connector *connector,
3631                             const u8 *svds, u8 svds_len)
3632 {
3633         int modes = 0, i;
3634         struct drm_device *dev = connector->dev;
3635         struct drm_display_info *info = &connector->display_info;
3636         struct drm_hdmi_info *hdmi = &info->hdmi;
3637
3638         for (i = 0; i < svds_len; i++) {
3639                 u8 vic = svd_to_vic(svds[i]);
3640                 struct drm_display_mode *newmode;
3641
3642                 if (!drm_valid_cea_vic(vic))
3643                         continue;
3644
3645                 newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3646                 if (!newmode)
3647                         break;
3648                 bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3649                 drm_mode_probed_add(connector, newmode);
3650                 modes++;
3651         }
3652
3653         if (modes > 0)
3654                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3655         return modes;
3656 }
3657
3658 /*
3659  * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3660  * @connector: connector corresponding to the HDMI sink
3661  * @vic: CEA vic for the video mode to be added in the map
3662  *
3663  * Makes an entry for a videomode in the YCBCR 420 bitmap
3664  */
3665 static void
3666 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3667 {
3668         u8 vic = svd_to_vic(svd);
3669         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3670
3671         if (!drm_valid_cea_vic(vic))
3672                 return;
3673
3674         bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3675 }
3676
3677 static int
3678 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3679 {
3680         int i, modes = 0;
3681         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3682
3683         for (i = 0; i < len; i++) {
3684                 struct drm_display_mode *mode;
3685                 mode = drm_display_mode_from_vic_index(connector, db, len, i);
3686                 if (mode) {
3687                         /*
3688                          * YCBCR420 capability block contains a bitmap which
3689                          * gives the index of CEA modes from CEA VDB, which
3690                          * can support YCBCR 420 sampling output also (apart
3691                          * from RGB/YCBCR444 etc).
3692                          * For example, if the bit 0 in bitmap is set,
3693                          * first mode in VDB can support YCBCR420 output too.
3694                          * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
3695                          */
3696                         if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
3697                                 drm_add_cmdb_modes(connector, db[i]);
3698
3699                         drm_mode_probed_add(connector, mode);
3700                         modes++;
3701                 }
3702         }
3703
3704         return modes;
3705 }
3706
3707 struct stereo_mandatory_mode {
3708         int width, height, vrefresh;
3709         unsigned int flags;
3710 };
3711
3712 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3713         { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3714         { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3715         { 1920, 1080, 50,
3716           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3717         { 1920, 1080, 60,
3718           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3719         { 1280, 720,  50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3720         { 1280, 720,  50, DRM_MODE_FLAG_3D_FRAME_PACKING },
3721         { 1280, 720,  60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3722         { 1280, 720,  60, DRM_MODE_FLAG_3D_FRAME_PACKING }
3723 };
3724
3725 static bool
3726 stereo_match_mandatory(const struct drm_display_mode *mode,
3727                        const struct stereo_mandatory_mode *stereo_mode)
3728 {
3729         unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
3730
3731         return mode->hdisplay == stereo_mode->width &&
3732                mode->vdisplay == stereo_mode->height &&
3733                interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
3734                drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
3735 }
3736
3737 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
3738 {
3739         struct drm_device *dev = connector->dev;
3740         const struct drm_display_mode *mode;
3741         struct list_head stereo_modes;
3742         int modes = 0, i;
3743
3744         INIT_LIST_HEAD(&stereo_modes);
3745
3746         list_for_each_entry(mode, &connector->probed_modes, head) {
3747                 for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
3748                         const struct stereo_mandatory_mode *mandatory;
3749                         struct drm_display_mode *new_mode;
3750
3751                         if (!stereo_match_mandatory(mode,
3752                                                     &stereo_mandatory_modes[i]))
3753                                 continue;
3754
3755                         mandatory = &stereo_mandatory_modes[i];
3756                         new_mode = drm_mode_duplicate(dev, mode);
3757                         if (!new_mode)
3758                                 continue;
3759
3760                         new_mode->flags |= mandatory->flags;
3761                         list_add_tail(&new_mode->head, &stereo_modes);
3762                         modes++;
3763                 }
3764         }
3765
3766         list_splice_tail(&stereo_modes, &connector->probed_modes);
3767
3768         return modes;
3769 }
3770
3771 static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
3772 {
3773         struct drm_device *dev = connector->dev;
3774         struct drm_display_mode *newmode;
3775
3776         if (!drm_valid_hdmi_vic(vic)) {
3777                 DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
3778                 return 0;
3779         }
3780
3781         newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
3782         if (!newmode)
3783                 return 0;
3784
3785         drm_mode_probed_add(connector, newmode);
3786
3787         return 1;
3788 }
3789
3790 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
3791                                const u8 *video_db, u8 video_len, u8 video_index)
3792 {
3793         struct drm_display_mode *newmode;
3794         int modes = 0;
3795
3796         if (structure & (1 << 0)) {
3797                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3798                                                           video_len,
3799                                                           video_index);
3800                 if (newmode) {
3801                         newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
3802                         drm_mode_probed_add(connector, newmode);
3803                         modes++;
3804                 }
3805         }
3806         if (structure & (1 << 6)) {
3807                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3808                                                           video_len,
3809                                                           video_index);
3810                 if (newmode) {
3811                         newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3812                         drm_mode_probed_add(connector, newmode);
3813                         modes++;
3814                 }
3815         }
3816         if (structure & (1 << 8)) {
3817                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3818                                                           video_len,
3819                                                           video_index);
3820                 if (newmode) {
3821                         newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3822                         drm_mode_probed_add(connector, newmode);
3823                         modes++;
3824                 }
3825         }
3826
3827         return modes;
3828 }
3829
3830 /*
3831  * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
3832  * @connector: connector corresponding to the HDMI sink
3833  * @db: start of the CEA vendor specific block
3834  * @len: length of the CEA block payload, ie. one can access up to db[len]
3835  *
3836  * Parses the HDMI VSDB looking for modes to add to @connector. This function
3837  * also adds the stereo 3d modes when applicable.
3838  */
3839 static int
3840 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
3841                    const u8 *video_db, u8 video_len)
3842 {
3843         struct drm_display_info *info = &connector->display_info;
3844         int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3845         u8 vic_len, hdmi_3d_len = 0;
3846         u16 mask;
3847         u16 structure_all;
3848
3849         if (len < 8)
3850                 goto out;
3851
3852         /* no HDMI_Video_Present */
3853         if (!(db[8] & (1 << 5)))
3854                 goto out;
3855
3856         /* Latency_Fields_Present */
3857         if (db[8] & (1 << 7))
3858                 offset += 2;
3859
3860         /* I_Latency_Fields_Present */
3861         if (db[8] & (1 << 6))
3862                 offset += 2;
3863
3864         /* the declared length is not long enough for the 2 first bytes
3865          * of additional video format capabilities */
3866         if (len < (8 + offset + 2))
3867                 goto out;
3868
3869         /* 3D_Present */
3870         offset++;
3871         if (db[8 + offset] & (1 << 7)) {
3872                 modes += add_hdmi_mandatory_stereo_modes(connector);
3873
3874                 /* 3D_Multi_present */
3875                 multi_present = (db[8 + offset] & 0x60) >> 5;
3876         }
3877
3878         offset++;
3879         vic_len = db[8 + offset] >> 5;
3880         hdmi_3d_len = db[8 + offset] & 0x1f;
3881
3882         for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
3883                 u8 vic;
3884
3885                 vic = db[9 + offset + i];
3886                 modes += add_hdmi_mode(connector, vic);
3887         }
3888         offset += 1 + vic_len;
3889
3890         if (multi_present == 1)
3891                 multi_len = 2;
3892         else if (multi_present == 2)
3893                 multi_len = 4;
3894         else
3895                 multi_len = 0;
3896
3897         if (len < (8 + offset + hdmi_3d_len - 1))
3898                 goto out;
3899
3900         if (hdmi_3d_len < multi_len)
3901                 goto out;
3902
3903         if (multi_present == 1 || multi_present == 2) {
3904                 /* 3D_Structure_ALL */
3905                 structure_all = (db[8 + offset] << 8) | db[9 + offset];
3906
3907                 /* check if 3D_MASK is present */
3908                 if (multi_present == 2)
3909                         mask = (db[10 + offset] << 8) | db[11 + offset];
3910                 else
3911                         mask = 0xffff;
3912
3913                 for (i = 0; i < 16; i++) {
3914                         if (mask & (1 << i))
3915                                 modes += add_3d_struct_modes(connector,
3916                                                 structure_all,
3917                                                 video_db,
3918                                                 video_len, i);
3919                 }
3920         }
3921
3922         offset += multi_len;
3923
3924         for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
3925                 int vic_index;
3926                 struct drm_display_mode *newmode = NULL;
3927                 unsigned int newflag = 0;
3928                 bool detail_present;
3929
3930                 detail_present = ((db[8 + offset + i] & 0x0f) > 7);
3931
3932                 if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
3933                         break;
3934
3935                 /* 2D_VIC_order_X */
3936                 vic_index = db[8 + offset + i] >> 4;
3937
3938                 /* 3D_Structure_X */
3939                 switch (db[8 + offset + i] & 0x0f) {
3940                 case 0:
3941                         newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
3942                         break;
3943                 case 6:
3944                         newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3945                         break;
3946                 case 8:
3947                         /* 3D_Detail_X */
3948                         if ((db[9 + offset + i] >> 4) == 1)
3949                                 newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3950                         break;
3951                 }
3952
3953                 if (newflag != 0) {
3954                         newmode = drm_display_mode_from_vic_index(connector,
3955                                                                   video_db,
3956                                                                   video_len,
3957                                                                   vic_index);
3958
3959                         if (newmode) {
3960                                 newmode->flags |= newflag;
3961                                 drm_mode_probed_add(connector, newmode);
3962                                 modes++;
3963                         }
3964                 }
3965
3966                 if (detail_present)
3967                         i++;
3968         }
3969
3970 out:
3971         if (modes > 0)
3972                 info->has_hdmi_infoframe = true;
3973         return modes;
3974 }
3975
3976 static int
3977 cea_db_payload_len(const u8 *db)
3978 {
3979         return db[0] & 0x1f;
3980 }
3981
3982 static int
3983 cea_db_extended_tag(const u8 *db)
3984 {
3985         return db[1];
3986 }
3987
3988 static int
3989 cea_db_tag(const u8 *db)
3990 {
3991         return db[0] >> 5;
3992 }
3993
3994 static int
3995 cea_revision(const u8 *cea)
3996 {
3997         /*
3998          * FIXME is this correct for the DispID variant?
3999          * The DispID spec doesn't really specify whether
4000          * this is the revision of the CEA extension or
4001          * the DispID CEA data block. And the only value
4002          * given as an example is 0.
4003          */
4004         return cea[1];
4005 }
4006
4007 static int
4008 cea_db_offsets(const u8 *cea, int *start, int *end)
4009 {
4010         /* DisplayID CTA extension blocks and top-level CEA EDID
4011          * block header definitions differ in the following bytes:
4012          *   1) Byte 2 of the header specifies length differently,
4013          *   2) Byte 3 is only present in the CEA top level block.
4014          *
4015          * The different definitions for byte 2 follow.
4016          *
4017          * DisplayID CTA extension block defines byte 2 as:
4018          *   Number of payload bytes
4019          *
4020          * CEA EDID block defines byte 2 as:
4021          *   Byte number (decimal) within this block where the 18-byte
4022          *   DTDs begin. If no non-DTD data is present in this extension
4023          *   block, the value should be set to 04h (the byte after next).
4024          *   If set to 00h, there are no DTDs present in this block and
4025          *   no non-DTD data.
4026          */
4027         if (cea[0] == DATA_BLOCK_CTA) {
4028                 /*
4029                  * for_each_displayid_db() has already verified
4030                  * that these stay within expected bounds.
4031                  */
4032                 *start = 3;
4033                 *end = *start + cea[2];
4034         } else if (cea[0] == CEA_EXT) {
4035                 /* Data block offset in CEA extension block */
4036                 *start = 4;
4037                 *end = cea[2];
4038                 if (*end == 0)
4039                         *end = 127;
4040                 if (*end < 4 || *end > 127)
4041                         return -ERANGE;
4042         } else {
4043                 return -EOPNOTSUPP;
4044         }
4045
4046         return 0;
4047 }
4048
4049 static bool cea_db_is_hdmi_vsdb(const u8 *db)
4050 {
4051         int hdmi_id;
4052
4053         if (cea_db_tag(db) != VENDOR_BLOCK)
4054                 return false;
4055
4056         if (cea_db_payload_len(db) < 5)
4057                 return false;
4058
4059         hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
4060
4061         return hdmi_id == HDMI_IEEE_OUI;
4062 }
4063
4064 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
4065 {
4066         unsigned int oui;
4067
4068         if (cea_db_tag(db) != VENDOR_BLOCK)
4069                 return false;
4070
4071         if (cea_db_payload_len(db) < 7)
4072                 return false;
4073
4074         oui = db[3] << 16 | db[2] << 8 | db[1];
4075
4076         return oui == HDMI_FORUM_IEEE_OUI;
4077 }
4078
4079 static bool cea_db_is_vcdb(const u8 *db)
4080 {
4081         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4082                 return false;
4083
4084         if (cea_db_payload_len(db) != 2)
4085                 return false;
4086
4087         if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK)
4088                 return false;
4089
4090         return true;
4091 }
4092
4093 static bool cea_db_is_y420cmdb(const u8 *db)
4094 {
4095         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4096                 return false;
4097
4098         if (!cea_db_payload_len(db))
4099                 return false;
4100
4101         if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
4102                 return false;
4103
4104         return true;
4105 }
4106
4107 static bool cea_db_is_y420vdb(const u8 *db)
4108 {
4109         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4110                 return false;
4111
4112         if (!cea_db_payload_len(db))
4113                 return false;
4114
4115         if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
4116                 return false;
4117
4118         return true;
4119 }
4120
4121 #define for_each_cea_db(cea, i, start, end) \
4122         for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
4123
4124 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
4125                                       const u8 *db)
4126 {
4127         struct drm_display_info *info = &connector->display_info;
4128         struct drm_hdmi_info *hdmi = &info->hdmi;
4129         u8 map_len = cea_db_payload_len(db) - 1;
4130         u8 count;
4131         u64 map = 0;
4132
4133         if (map_len == 0) {
4134                 /* All CEA modes support ycbcr420 sampling also.*/
4135                 hdmi->y420_cmdb_map = U64_MAX;
4136                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4137                 return;
4138         }
4139
4140         /*
4141          * This map indicates which of the existing CEA block modes
4142          * from VDB can support YCBCR420 output too. So if bit=0 is
4143          * set, first mode from VDB can support YCBCR420 output too.
4144          * We will parse and keep this map, before parsing VDB itself
4145          * to avoid going through the same block again and again.
4146          *
4147          * Spec is not clear about max possible size of this block.
4148          * Clamping max bitmap block size at 8 bytes. Every byte can
4149          * address 8 CEA modes, in this way this map can address
4150          * 8*8 = first 64 SVDs.
4151          */
4152         if (WARN_ON_ONCE(map_len > 8))
4153                 map_len = 8;
4154
4155         for (count = 0; count < map_len; count++)
4156                 map |= (u64)db[2 + count] << (8 * count);
4157
4158         if (map)
4159                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4160
4161         hdmi->y420_cmdb_map = map;
4162 }
4163
4164 static int
4165 add_cea_modes(struct drm_connector *connector, struct edid *edid)
4166 {
4167         const u8 *cea = drm_find_cea_extension(edid);
4168         const u8 *db, *hdmi = NULL, *video = NULL;
4169         u8 dbl, hdmi_len, video_len = 0;
4170         int modes = 0;
4171
4172         if (cea && cea_revision(cea) >= 3) {
4173                 int i, start, end;
4174
4175                 if (cea_db_offsets(cea, &start, &end))
4176                         return 0;
4177
4178                 for_each_cea_db(cea, i, start, end) {
4179                         db = &cea[i];
4180                         dbl = cea_db_payload_len(db);
4181
4182                         if (cea_db_tag(db) == VIDEO_BLOCK) {
4183                                 video = db + 1;
4184                                 video_len = dbl;
4185                                 modes += do_cea_modes(connector, video, dbl);
4186                         } else if (cea_db_is_hdmi_vsdb(db)) {
4187                                 hdmi = db;
4188                                 hdmi_len = dbl;
4189                         } else if (cea_db_is_y420vdb(db)) {
4190                                 const u8 *vdb420 = &db[2];
4191
4192                                 /* Add 4:2:0(only) modes present in EDID */
4193                                 modes += do_y420vdb_modes(connector,
4194                                                           vdb420,
4195                                                           dbl - 1);
4196                         }
4197                 }
4198         }
4199
4200         /*
4201          * We parse the HDMI VSDB after having added the cea modes as we will
4202          * be patching their flags when the sink supports stereo 3D.
4203          */
4204         if (hdmi)
4205                 modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
4206                                             video_len);
4207
4208         return modes;
4209 }
4210
4211 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
4212 {
4213         const struct drm_display_mode *cea_mode;
4214         int clock1, clock2, clock;
4215         u8 vic;
4216         const char *type;
4217
4218         /*
4219          * allow 5kHz clock difference either way to account for
4220          * the 10kHz clock resolution limit of detailed timings.
4221          */
4222         vic = drm_match_cea_mode_clock_tolerance(mode, 5);
4223         if (drm_valid_cea_vic(vic)) {
4224                 type = "CEA";
4225                 cea_mode = cea_mode_for_vic(vic);
4226                 clock1 = cea_mode->clock;
4227                 clock2 = cea_mode_alternate_clock(cea_mode);
4228         } else {
4229                 vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
4230                 if (drm_valid_hdmi_vic(vic)) {
4231                         type = "HDMI";
4232                         cea_mode = &edid_4k_modes[vic];
4233                         clock1 = cea_mode->clock;
4234                         clock2 = hdmi_mode_alternate_clock(cea_mode);
4235                 } else {
4236                         return;
4237                 }
4238         }
4239
4240         /* pick whichever is closest */
4241         if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
4242                 clock = clock1;
4243         else
4244                 clock = clock2;
4245
4246         if (mode->clock == clock)
4247                 return;
4248
4249         DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
4250                   type, vic, mode->clock, clock);
4251         mode->clock = clock;
4252 }
4253
4254 static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db)
4255 {
4256         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4257                 return false;
4258
4259         if (db[1] != HDR_STATIC_METADATA_BLOCK)
4260                 return false;
4261
4262         if (cea_db_payload_len(db) < 3)
4263                 return false;
4264
4265         return true;
4266 }
4267
4268 static uint8_t eotf_supported(const u8 *edid_ext)
4269 {
4270         return edid_ext[2] &
4271                 (BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
4272                  BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
4273                  BIT(HDMI_EOTF_SMPTE_ST2084) |
4274                  BIT(HDMI_EOTF_BT_2100_HLG));
4275 }
4276
4277 static uint8_t hdr_metadata_type(const u8 *edid_ext)
4278 {
4279         return edid_ext[3] &
4280                 BIT(HDMI_STATIC_METADATA_TYPE1);
4281 }
4282
4283 static void
4284 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
4285 {
4286         u16 len;
4287
4288         len = cea_db_payload_len(db);
4289
4290         connector->hdr_sink_metadata.hdmi_type1.eotf =
4291                                                 eotf_supported(db);
4292         connector->hdr_sink_metadata.hdmi_type1.metadata_type =
4293                                                 hdr_metadata_type(db);
4294
4295         if (len >= 4)
4296                 connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
4297         if (len >= 5)
4298                 connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
4299         if (len >= 6)
4300                 connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
4301 }
4302
4303 static void
4304 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
4305 {
4306         u8 len = cea_db_payload_len(db);
4307
4308         if (len >= 6 && (db[6] & (1 << 7)))
4309                 connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
4310         if (len >= 8) {
4311                 connector->latency_present[0] = db[8] >> 7;
4312                 connector->latency_present[1] = (db[8] >> 6) & 1;
4313         }
4314         if (len >= 9)
4315                 connector->video_latency[0] = db[9];
4316         if (len >= 10)
4317                 connector->audio_latency[0] = db[10];
4318         if (len >= 11)
4319                 connector->video_latency[1] = db[11];
4320         if (len >= 12)
4321                 connector->audio_latency[1] = db[12];
4322
4323         DRM_DEBUG_KMS("HDMI: latency present %d %d, "
4324                       "video latency %d %d, "
4325                       "audio latency %d %d\n",
4326                       connector->latency_present[0],
4327                       connector->latency_present[1],
4328                       connector->video_latency[0],
4329                       connector->video_latency[1],
4330                       connector->audio_latency[0],
4331                       connector->audio_latency[1]);
4332 }
4333
4334 static void
4335 monitor_name(struct detailed_timing *t, void *data)
4336 {
4337         if (!is_display_descriptor((const u8 *)t, EDID_DETAIL_MONITOR_NAME))
4338                 return;
4339
4340         *(u8 **)data = t->data.other_data.data.str.str;
4341 }
4342
4343 static int get_monitor_name(struct edid *edid, char name[13])
4344 {
4345         char *edid_name = NULL;
4346         int mnl;
4347
4348         if (!edid || !name)
4349                 return 0;
4350
4351         drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
4352         for (mnl = 0; edid_name && mnl < 13; mnl++) {
4353                 if (edid_name[mnl] == 0x0a)
4354                         break;
4355
4356                 name[mnl] = edid_name[mnl];
4357         }
4358
4359         return mnl;
4360 }
4361
4362 /**
4363  * drm_edid_get_monitor_name - fetch the monitor name from the edid
4364  * @edid: monitor EDID information
4365  * @name: pointer to a character array to hold the name of the monitor
4366  * @bufsize: The size of the name buffer (should be at least 14 chars.)
4367  *
4368  */
4369 void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
4370 {
4371         int name_length;
4372         char buf[13];
4373
4374         if (bufsize <= 0)
4375                 return;
4376
4377         name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4378         memcpy(name, buf, name_length);
4379         name[name_length] = '\0';
4380 }
4381 EXPORT_SYMBOL(drm_edid_get_monitor_name);
4382
4383 static void clear_eld(struct drm_connector *connector)
4384 {
4385         memset(connector->eld, 0, sizeof(connector->eld));
4386
4387         connector->latency_present[0] = false;
4388         connector->latency_present[1] = false;
4389         connector->video_latency[0] = 0;
4390         connector->audio_latency[0] = 0;
4391         connector->video_latency[1] = 0;
4392         connector->audio_latency[1] = 0;
4393 }
4394
4395 /*
4396  * drm_edid_to_eld - build ELD from EDID
4397  * @connector: connector corresponding to the HDMI/DP sink
4398  * @edid: EDID to parse
4399  *
4400  * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4401  * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4402  */
4403 static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
4404 {
4405         uint8_t *eld = connector->eld;
4406         u8 *cea;
4407         u8 *db;
4408         int total_sad_count = 0;
4409         int mnl;
4410         int dbl;
4411
4412         clear_eld(connector);
4413
4414         if (!edid)
4415                 return;
4416
4417         cea = drm_find_cea_extension(edid);
4418         if (!cea) {
4419                 DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4420                 return;
4421         }
4422
4423         mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4424         DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4425
4426         eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4427         eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4428
4429         eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4430
4431         eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4432         eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4433         eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4434         eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4435
4436         if (cea_revision(cea) >= 3) {
4437                 int i, start, end;
4438                 int sad_count;
4439
4440                 if (cea_db_offsets(cea, &start, &end)) {
4441                         start = 0;
4442                         end = 0;
4443                 }
4444
4445                 for_each_cea_db(cea, i, start, end) {
4446                         db = &cea[i];
4447                         dbl = cea_db_payload_len(db);
4448
4449                         switch (cea_db_tag(db)) {
4450                         case AUDIO_BLOCK:
4451                                 /* Audio Data Block, contains SADs */
4452                                 sad_count = min(dbl / 3, 15 - total_sad_count);
4453                                 if (sad_count >= 1)
4454                                         memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4455                                                &db[1], sad_count * 3);
4456                                 total_sad_count += sad_count;
4457                                 break;
4458                         case SPEAKER_BLOCK:
4459                                 /* Speaker Allocation Data Block */
4460                                 if (dbl >= 1)
4461                                         eld[DRM_ELD_SPEAKER] = db[1];
4462                                 break;
4463                         case VENDOR_BLOCK:
4464                                 /* HDMI Vendor-Specific Data Block */
4465                                 if (cea_db_is_hdmi_vsdb(db))
4466                                         drm_parse_hdmi_vsdb_audio(connector, db);
4467                                 break;
4468                         default:
4469                                 break;
4470                         }
4471                 }
4472         }
4473         eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4474
4475         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4476             connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4477                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4478         else
4479                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4480
4481         eld[DRM_ELD_BASELINE_ELD_LEN] =
4482                 DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4483
4484         DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4485                       drm_eld_size(eld), total_sad_count);
4486 }
4487
4488 /**
4489  * drm_edid_to_sad - extracts SADs from EDID
4490  * @edid: EDID to parse
4491  * @sads: pointer that will be set to the extracted SADs
4492  *
4493  * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4494  *
4495  * Note: The returned pointer needs to be freed using kfree().
4496  *
4497  * Return: The number of found SADs or negative number on error.
4498  */
4499 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
4500 {
4501         int count = 0;
4502         int i, start, end, dbl;
4503         u8 *cea;
4504
4505         cea = drm_find_cea_extension(edid);
4506         if (!cea) {
4507                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4508                 return 0;
4509         }
4510
4511         if (cea_revision(cea) < 3) {
4512                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4513                 return 0;
4514         }
4515
4516         if (cea_db_offsets(cea, &start, &end)) {
4517                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4518                 return -EPROTO;
4519         }
4520
4521         for_each_cea_db(cea, i, start, end) {
4522                 u8 *db = &cea[i];
4523
4524                 if (cea_db_tag(db) == AUDIO_BLOCK) {
4525                         int j;
4526                         dbl = cea_db_payload_len(db);
4527
4528                         count = dbl / 3; /* SAD is 3B */
4529                         *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4530                         if (!*sads)
4531                                 return -ENOMEM;
4532                         for (j = 0; j < count; j++) {
4533                                 u8 *sad = &db[1 + j * 3];
4534
4535                                 (*sads)[j].format = (sad[0] & 0x78) >> 3;
4536                                 (*sads)[j].channels = sad[0] & 0x7;
4537                                 (*sads)[j].freq = sad[1] & 0x7F;
4538                                 (*sads)[j].byte2 = sad[2];
4539                         }
4540                         break;
4541                 }
4542         }
4543
4544         return count;
4545 }
4546 EXPORT_SYMBOL(drm_edid_to_sad);
4547
4548 /**
4549  * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4550  * @edid: EDID to parse
4551  * @sadb: pointer to the speaker block
4552  *
4553  * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4554  *
4555  * Note: The returned pointer needs to be freed using kfree().
4556  *
4557  * Return: The number of found Speaker Allocation Blocks or negative number on
4558  * error.
4559  */
4560 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
4561 {
4562         int count = 0;
4563         int i, start, end, dbl;
4564         const u8 *cea;
4565
4566         cea = drm_find_cea_extension(edid);
4567         if (!cea) {
4568                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4569                 return 0;
4570         }
4571
4572         if (cea_revision(cea) < 3) {
4573                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4574                 return 0;
4575         }
4576
4577         if (cea_db_offsets(cea, &start, &end)) {
4578                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4579                 return -EPROTO;
4580         }
4581
4582         for_each_cea_db(cea, i, start, end) {
4583                 const u8 *db = &cea[i];
4584
4585                 if (cea_db_tag(db) == SPEAKER_BLOCK) {
4586                         dbl = cea_db_payload_len(db);
4587
4588                         /* Speaker Allocation Data Block */
4589                         if (dbl == 3) {
4590                                 *sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4591                                 if (!*sadb)
4592                                         return -ENOMEM;
4593                                 count = dbl;
4594                                 break;
4595                         }
4596                 }
4597         }
4598
4599         return count;
4600 }
4601 EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4602
4603 /**
4604  * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4605  * @connector: connector associated with the HDMI/DP sink
4606  * @mode: the display mode
4607  *
4608  * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4609  * the sink doesn't support audio or video.
4610  */
4611 int drm_av_sync_delay(struct drm_connector *connector,
4612                       const struct drm_display_mode *mode)
4613 {
4614         int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4615         int a, v;
4616
4617         if (!connector->latency_present[0])
4618                 return 0;
4619         if (!connector->latency_present[1])
4620                 i = 0;
4621
4622         a = connector->audio_latency[i];
4623         v = connector->video_latency[i];
4624
4625         /*
4626          * HDMI/DP sink doesn't support audio or video?
4627          */
4628         if (a == 255 || v == 255)
4629                 return 0;
4630
4631         /*
4632          * Convert raw EDID values to millisecond.
4633          * Treat unknown latency as 0ms.
4634          */
4635         if (a)
4636                 a = min(2 * (a - 1), 500);
4637         if (v)
4638                 v = min(2 * (v - 1), 500);
4639
4640         return max(v - a, 0);
4641 }
4642 EXPORT_SYMBOL(drm_av_sync_delay);
4643
4644 /**
4645  * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4646  * @edid: monitor EDID information
4647  *
4648  * Parse the CEA extension according to CEA-861-B.
4649  *
4650  * Drivers that have added the modes parsed from EDID to drm_display_info
4651  * should use &drm_display_info.is_hdmi instead of calling this function.
4652  *
4653  * Return: True if the monitor is HDMI, false if not or unknown.
4654  */
4655 bool drm_detect_hdmi_monitor(struct edid *edid)
4656 {
4657         u8 *edid_ext;
4658         int i;
4659         int start_offset, end_offset;
4660
4661         edid_ext = drm_find_cea_extension(edid);
4662         if (!edid_ext)
4663                 return false;
4664
4665         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4666                 return false;
4667
4668         /*
4669          * Because HDMI identifier is in Vendor Specific Block,
4670          * search it from all data blocks of CEA extension.
4671          */
4672         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4673                 if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4674                         return true;
4675         }
4676
4677         return false;
4678 }
4679 EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4680
4681 /**
4682  * drm_detect_monitor_audio - check monitor audio capability
4683  * @edid: EDID block to scan
4684  *
4685  * Monitor should have CEA extension block.
4686  * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
4687  * audio' only. If there is any audio extension block and supported
4688  * audio format, assume at least 'basic audio' support, even if 'basic
4689  * audio' is not defined in EDID.
4690  *
4691  * Return: True if the monitor supports audio, false otherwise.
4692  */
4693 bool drm_detect_monitor_audio(struct edid *edid)
4694 {
4695         u8 *edid_ext;
4696         int i, j;
4697         bool has_audio = false;
4698         int start_offset, end_offset;
4699
4700         edid_ext = drm_find_cea_extension(edid);
4701         if (!edid_ext)
4702                 goto end;
4703
4704         has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0);
4705
4706         if (has_audio) {
4707                 DRM_DEBUG_KMS("Monitor has basic audio support\n");
4708                 goto end;
4709         }
4710
4711         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4712                 goto end;
4713
4714         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4715                 if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4716                         has_audio = true;
4717                         for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4718                                 DRM_DEBUG_KMS("CEA audio format %d\n",
4719                                               (edid_ext[i + j] >> 3) & 0xf);
4720                         goto end;
4721                 }
4722         }
4723 end:
4724         return has_audio;
4725 }
4726 EXPORT_SYMBOL(drm_detect_monitor_audio);
4727
4728
4729 /**
4730  * drm_default_rgb_quant_range - default RGB quantization range
4731  * @mode: display mode
4732  *
4733  * Determine the default RGB quantization range for the mode,
4734  * as specified in CEA-861.
4735  *
4736  * Return: The default RGB quantization range for the mode
4737  */
4738 enum hdmi_quantization_range
4739 drm_default_rgb_quant_range(const struct drm_display_mode *mode)
4740 {
4741         /* All CEA modes other than VIC 1 use limited quantization range. */
4742         return drm_match_cea_mode(mode) > 1 ?
4743                 HDMI_QUANTIZATION_RANGE_LIMITED :
4744                 HDMI_QUANTIZATION_RANGE_FULL;
4745 }
4746 EXPORT_SYMBOL(drm_default_rgb_quant_range);
4747
4748 static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
4749 {
4750         struct drm_display_info *info = &connector->display_info;
4751
4752         DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]);
4753
4754         if (db[2] & EDID_CEA_VCDB_QS)
4755                 info->rgb_quant_range_selectable = true;
4756 }
4757
4758 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4759                                                const u8 *db)
4760 {
4761         u8 dc_mask;
4762         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4763
4764         dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4765         hdmi->y420_dc_modes = dc_mask;
4766 }
4767
4768 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4769                                  const u8 *hf_vsdb)
4770 {
4771         struct drm_display_info *display = &connector->display_info;
4772         struct drm_hdmi_info *hdmi = &display->hdmi;
4773
4774         display->has_hdmi_infoframe = true;
4775
4776         if (hf_vsdb[6] & 0x80) {
4777                 hdmi->scdc.supported = true;
4778                 if (hf_vsdb[6] & 0x40)
4779                         hdmi->scdc.read_request = true;
4780         }
4781
4782         /*
4783          * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4784          * And as per the spec, three factors confirm this:
4785          * * Availability of a HF-VSDB block in EDID (check)
4786          * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4787          * * SCDC support available (let's check)
4788          * Lets check it out.
4789          */
4790
4791         if (hf_vsdb[5]) {
4792                 /* max clock is 5000 KHz times block value */
4793                 u32 max_tmds_clock = hf_vsdb[5] * 5000;
4794                 struct drm_scdc *scdc = &hdmi->scdc;
4795
4796                 if (max_tmds_clock > 340000) {
4797                         display->max_tmds_clock = max_tmds_clock;
4798                         DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4799                                 display->max_tmds_clock);
4800                 }
4801
4802                 if (scdc->supported) {
4803                         scdc->scrambling.supported = true;
4804
4805                         /* Few sinks support scrambling for clocks < 340M */
4806                         if ((hf_vsdb[6] & 0x8))
4807                                 scdc->scrambling.low_rates = true;
4808                 }
4809         }
4810
4811         drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
4812 }
4813
4814 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
4815                                            const u8 *hdmi)
4816 {
4817         struct drm_display_info *info = &connector->display_info;
4818         unsigned int dc_bpc = 0;
4819
4820         /* HDMI supports at least 8 bpc */
4821         info->bpc = 8;
4822
4823         if (cea_db_payload_len(hdmi) < 6)
4824                 return;
4825
4826         if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
4827                 dc_bpc = 10;
4828                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
4829                 DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
4830                           connector->name);
4831         }
4832
4833         if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
4834                 dc_bpc = 12;
4835                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
4836                 DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
4837                           connector->name);
4838         }
4839
4840         if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
4841                 dc_bpc = 16;
4842                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
4843                 DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
4844                           connector->name);
4845         }
4846
4847         if (dc_bpc == 0) {
4848                 DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
4849                           connector->name);
4850                 return;
4851         }
4852
4853         DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
4854                   connector->name, dc_bpc);
4855         info->bpc = dc_bpc;
4856
4857         /*
4858          * Deep color support mandates RGB444 support for all video
4859          * modes and forbids YCRCB422 support for all video modes per
4860          * HDMI 1.3 spec.
4861          */
4862         info->color_formats = DRM_COLOR_FORMAT_RGB444;
4863
4864         /* YCRCB444 is optional according to spec. */
4865         if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
4866                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4867                 DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
4868                           connector->name);
4869         }
4870
4871         /*
4872          * Spec says that if any deep color mode is supported at all,
4873          * then deep color 36 bit must be supported.
4874          */
4875         if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
4876                 DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
4877                           connector->name);
4878         }
4879 }
4880
4881 static void
4882 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
4883 {
4884         struct drm_display_info *info = &connector->display_info;
4885         u8 len = cea_db_payload_len(db);
4886
4887         info->is_hdmi = true;
4888
4889         if (len >= 6)
4890                 info->dvi_dual = db[6] & 1;
4891         if (len >= 7)
4892                 info->max_tmds_clock = db[7] * 5000;
4893
4894         DRM_DEBUG_KMS("HDMI: DVI dual %d, "
4895                       "max TMDS clock %d kHz\n",
4896                       info->dvi_dual,
4897                       info->max_tmds_clock);
4898
4899         drm_parse_hdmi_deep_color_info(connector, db);
4900 }
4901
4902 static void drm_parse_cea_ext(struct drm_connector *connector,
4903                               const struct edid *edid)
4904 {
4905         struct drm_display_info *info = &connector->display_info;
4906         const u8 *edid_ext;
4907         int i, start, end;
4908
4909         edid_ext = drm_find_cea_extension(edid);
4910         if (!edid_ext)
4911                 return;
4912
4913         info->cea_rev = edid_ext[1];
4914
4915         /* The existence of a CEA block should imply RGB support */
4916         info->color_formats = DRM_COLOR_FORMAT_RGB444;
4917         if (edid_ext[3] & EDID_CEA_YCRCB444)
4918                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4919         if (edid_ext[3] & EDID_CEA_YCRCB422)
4920                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
4921
4922         if (cea_db_offsets(edid_ext, &start, &end))
4923                 return;
4924
4925         for_each_cea_db(edid_ext, i, start, end) {
4926                 const u8 *db = &edid_ext[i];
4927
4928                 if (cea_db_is_hdmi_vsdb(db))
4929                         drm_parse_hdmi_vsdb_video(connector, db);
4930                 if (cea_db_is_hdmi_forum_vsdb(db))
4931                         drm_parse_hdmi_forum_vsdb(connector, db);
4932                 if (cea_db_is_y420cmdb(db))
4933                         drm_parse_y420cmdb_bitmap(connector, db);
4934                 if (cea_db_is_vcdb(db))
4935                         drm_parse_vcdb(connector, db);
4936                 if (cea_db_is_hdmi_hdr_metadata_block(db))
4937                         drm_parse_hdr_metadata_block(connector, db);
4938         }
4939 }
4940
4941 static
4942 void get_monitor_range(struct detailed_timing *timing,
4943                        void *info_monitor_range)
4944 {
4945         struct drm_monitor_range_info *monitor_range = info_monitor_range;
4946         const struct detailed_non_pixel *data = &timing->data.other_data;
4947         const struct detailed_data_monitor_range *range = &data->data.range;
4948
4949         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
4950                 return;
4951
4952         /*
4953          * Check for flag range limits only. If flag == 1 then
4954          * no additional timing information provided.
4955          * Default GTF, GTF Secondary curve and CVT are not
4956          * supported
4957          */
4958         if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
4959                 return;
4960
4961         monitor_range->min_vfreq = range->min_vfreq;
4962         monitor_range->max_vfreq = range->max_vfreq;
4963 }
4964
4965 static
4966 void drm_get_monitor_range(struct drm_connector *connector,
4967                            const struct edid *edid)
4968 {
4969         struct drm_display_info *info = &connector->display_info;
4970
4971         if (!version_greater(edid, 1, 1))
4972                 return;
4973
4974         drm_for_each_detailed_block((u8 *)edid, get_monitor_range,
4975                                     &info->monitor_range);
4976
4977         DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
4978                       info->monitor_range.min_vfreq,
4979                       info->monitor_range.max_vfreq);
4980 }
4981
4982 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
4983  * all of the values which would have been set from EDID
4984  */
4985 void
4986 drm_reset_display_info(struct drm_connector *connector)
4987 {
4988         struct drm_display_info *info = &connector->display_info;
4989
4990         info->width_mm = 0;
4991         info->height_mm = 0;
4992
4993         info->bpc = 0;
4994         info->color_formats = 0;
4995         info->cea_rev = 0;
4996         info->max_tmds_clock = 0;
4997         info->dvi_dual = false;
4998         info->is_hdmi = false;
4999         info->has_hdmi_infoframe = false;
5000         info->rgb_quant_range_selectable = false;
5001         memset(&info->hdmi, 0, sizeof(info->hdmi));
5002
5003         info->non_desktop = 0;
5004         memset(&info->monitor_range, 0, sizeof(info->monitor_range));
5005 }
5006
5007 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
5008 {
5009         struct drm_display_info *info = &connector->display_info;
5010
5011         u32 quirks = edid_get_quirks(edid);
5012
5013         drm_reset_display_info(connector);
5014
5015         info->width_mm = edid->width_cm * 10;
5016         info->height_mm = edid->height_cm * 10;
5017
5018         info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
5019
5020         drm_get_monitor_range(connector, edid);
5021
5022         DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
5023
5024         if (edid->revision < 3)
5025                 return quirks;
5026
5027         if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
5028                 return quirks;
5029
5030         drm_parse_cea_ext(connector, edid);
5031
5032         /*
5033          * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
5034          *
5035          * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
5036          * tells us to assume 8 bpc color depth if the EDID doesn't have
5037          * extensions which tell otherwise.
5038          */
5039         if (info->bpc == 0 && edid->revision == 3 &&
5040             edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
5041                 info->bpc = 8;
5042                 DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
5043                           connector->name, info->bpc);
5044         }
5045
5046         /* Only defined for 1.4 with digital displays */
5047         if (edid->revision < 4)
5048                 return quirks;
5049
5050         switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
5051         case DRM_EDID_DIGITAL_DEPTH_6:
5052                 info->bpc = 6;
5053                 break;
5054         case DRM_EDID_DIGITAL_DEPTH_8:
5055                 info->bpc = 8;
5056                 break;
5057         case DRM_EDID_DIGITAL_DEPTH_10:
5058                 info->bpc = 10;
5059                 break;
5060         case DRM_EDID_DIGITAL_DEPTH_12:
5061                 info->bpc = 12;
5062                 break;
5063         case DRM_EDID_DIGITAL_DEPTH_14:
5064                 info->bpc = 14;
5065                 break;
5066         case DRM_EDID_DIGITAL_DEPTH_16:
5067                 info->bpc = 16;
5068                 break;
5069         case DRM_EDID_DIGITAL_DEPTH_UNDEF:
5070         default:
5071                 info->bpc = 0;
5072                 break;
5073         }
5074
5075         DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
5076                           connector->name, info->bpc);
5077
5078         info->color_formats |= DRM_COLOR_FORMAT_RGB444;
5079         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
5080                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5081         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
5082                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5083         return quirks;
5084 }
5085
5086 static int validate_displayid(u8 *displayid, int length, int idx)
5087 {
5088         int i;
5089         u8 csum = 0;
5090         struct displayid_hdr *base;
5091
5092         base = (struct displayid_hdr *)&displayid[idx];
5093
5094         DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n",
5095                       base->rev, base->bytes, base->prod_id, base->ext_count);
5096
5097         if (base->bytes + 5 > length - idx)
5098                 return -EINVAL;
5099         for (i = idx; i <= base->bytes + 5; i++) {
5100                 csum += displayid[i];
5101         }
5102         if (csum) {
5103                 DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum);
5104                 return -EINVAL;
5105         }
5106         return 0;
5107 }
5108
5109 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5110                                                             struct displayid_detailed_timings_1 *timings)
5111 {
5112         struct drm_display_mode *mode;
5113         unsigned pixel_clock = (timings->pixel_clock[0] |
5114                                 (timings->pixel_clock[1] << 8) |
5115                                 (timings->pixel_clock[2] << 16)) + 1;
5116         unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5117         unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5118         unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5119         unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5120         unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5121         unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5122         unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5123         unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5124         bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5125         bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5126         mode = drm_mode_create(dev);
5127         if (!mode)
5128                 return NULL;
5129
5130         mode->clock = pixel_clock * 10;
5131         mode->hdisplay = hactive;
5132         mode->hsync_start = mode->hdisplay + hsync;
5133         mode->hsync_end = mode->hsync_start + hsync_width;
5134         mode->htotal = mode->hdisplay + hblank;
5135
5136         mode->vdisplay = vactive;
5137         mode->vsync_start = mode->vdisplay + vsync;
5138         mode->vsync_end = mode->vsync_start + vsync_width;
5139         mode->vtotal = mode->vdisplay + vblank;
5140
5141         mode->flags = 0;
5142         mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5143         mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5144         mode->type = DRM_MODE_TYPE_DRIVER;
5145
5146         if (timings->flags & 0x80)
5147                 mode->type |= DRM_MODE_TYPE_PREFERRED;
5148         mode->vrefresh = drm_mode_vrefresh(mode);
5149         drm_mode_set_name(mode);
5150
5151         return mode;
5152 }
5153
5154 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5155                                           struct displayid_block *block)
5156 {
5157         struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5158         int i;
5159         int num_timings;
5160         struct drm_display_mode *newmode;
5161         int num_modes = 0;
5162         /* blocks must be multiple of 20 bytes length */
5163         if (block->num_bytes % 20)
5164                 return 0;
5165
5166         num_timings = block->num_bytes / 20;
5167         for (i = 0; i < num_timings; i++) {
5168                 struct displayid_detailed_timings_1 *timings = &det->timings[i];
5169
5170                 newmode = drm_mode_displayid_detailed(connector->dev, timings);
5171                 if (!newmode)
5172                         continue;
5173
5174                 drm_mode_probed_add(connector, newmode);
5175                 num_modes++;
5176         }
5177         return num_modes;
5178 }
5179
5180 static int add_displayid_detailed_modes(struct drm_connector *connector,
5181                                         struct edid *edid)
5182 {
5183         u8 *displayid;
5184         int ret;
5185         int idx = 1;
5186         int length = EDID_LENGTH;
5187         struct displayid_block *block;
5188         int num_modes = 0;
5189
5190         displayid = drm_find_displayid_extension(edid);
5191         if (!displayid)
5192                 return 0;
5193
5194         ret = validate_displayid(displayid, length, idx);
5195         if (ret)
5196                 return 0;
5197
5198         idx += sizeof(struct displayid_hdr);
5199         for_each_displayid_db(displayid, block, idx, length) {
5200                 switch (block->tag) {
5201                 case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5202                         num_modes += add_displayid_detailed_1_modes(connector, block);
5203                         break;
5204                 }
5205         }
5206         return num_modes;
5207 }
5208
5209 /**
5210  * drm_add_edid_modes - add modes from EDID data, if available
5211  * @connector: connector we're probing
5212  * @edid: EDID data
5213  *
5214  * Add the specified modes to the connector's mode list. Also fills out the
5215  * &drm_display_info structure and ELD in @connector with any information which
5216  * can be derived from the edid.
5217  *
5218  * Return: The number of modes added or 0 if we couldn't find any.
5219  */
5220 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5221 {
5222         int num_modes = 0;
5223         u32 quirks;
5224
5225         if (edid == NULL) {
5226                 clear_eld(connector);
5227                 return 0;
5228         }
5229         if (!drm_edid_is_valid(edid)) {
5230                 clear_eld(connector);
5231                 dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
5232                          connector->name);
5233                 return 0;
5234         }
5235
5236         drm_edid_to_eld(connector, edid);
5237
5238         /*
5239          * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5240          * To avoid multiple parsing of same block, lets parse that map
5241          * from sink info, before parsing CEA modes.
5242          */
5243         quirks = drm_add_display_info(connector, edid);
5244
5245         /*
5246          * EDID spec says modes should be preferred in this order:
5247          * - preferred detailed mode
5248          * - other detailed modes from base block
5249          * - detailed modes from extension blocks
5250          * - CVT 3-byte code modes
5251          * - standard timing codes
5252          * - established timing codes
5253          * - modes inferred from GTF or CVT range information
5254          *
5255          * We get this pretty much right.
5256          *
5257          * XXX order for additional mode types in extension blocks?
5258          */
5259         num_modes += add_detailed_modes(connector, edid, quirks);
5260         num_modes += add_cvt_modes(connector, edid);
5261         num_modes += add_standard_modes(connector, edid);
5262         num_modes += add_established_modes(connector, edid);
5263         num_modes += add_cea_modes(connector, edid);
5264         num_modes += add_alternate_cea_modes(connector, edid);
5265         num_modes += add_displayid_detailed_modes(connector, edid);
5266         if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5267                 num_modes += add_inferred_modes(connector, edid);
5268
5269         if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5270                 edid_fixup_preferred(connector, quirks);
5271
5272         if (quirks & EDID_QUIRK_FORCE_6BPC)
5273                 connector->display_info.bpc = 6;
5274
5275         if (quirks & EDID_QUIRK_FORCE_8BPC)
5276                 connector->display_info.bpc = 8;
5277
5278         if (quirks & EDID_QUIRK_FORCE_10BPC)
5279                 connector->display_info.bpc = 10;
5280
5281         if (quirks & EDID_QUIRK_FORCE_12BPC)
5282                 connector->display_info.bpc = 12;
5283
5284         return num_modes;
5285 }
5286 EXPORT_SYMBOL(drm_add_edid_modes);
5287
5288 /**
5289  * drm_add_modes_noedid - add modes for the connectors without EDID
5290  * @connector: connector we're probing
5291  * @hdisplay: the horizontal display limit
5292  * @vdisplay: the vertical display limit
5293  *
5294  * Add the specified modes to the connector's mode list. Only when the
5295  * hdisplay/vdisplay is not beyond the given limit, it will be added.
5296  *
5297  * Return: The number of modes added or 0 if we couldn't find any.
5298  */
5299 int drm_add_modes_noedid(struct drm_connector *connector,
5300                         int hdisplay, int vdisplay)
5301 {
5302         int i, count, num_modes = 0;
5303         struct drm_display_mode *mode;
5304         struct drm_device *dev = connector->dev;
5305
5306         count = ARRAY_SIZE(drm_dmt_modes);
5307         if (hdisplay < 0)
5308                 hdisplay = 0;
5309         if (vdisplay < 0)
5310                 vdisplay = 0;
5311
5312         for (i = 0; i < count; i++) {
5313                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5314                 if (hdisplay && vdisplay) {
5315                         /*
5316                          * Only when two are valid, they will be used to check
5317                          * whether the mode should be added to the mode list of
5318                          * the connector.
5319                          */
5320                         if (ptr->hdisplay > hdisplay ||
5321                                         ptr->vdisplay > vdisplay)
5322                                 continue;
5323                 }
5324                 if (drm_mode_vrefresh(ptr) > 61)
5325                         continue;
5326                 mode = drm_mode_duplicate(dev, ptr);
5327                 if (mode) {
5328                         drm_mode_probed_add(connector, mode);
5329                         num_modes++;
5330                 }
5331         }
5332         return num_modes;
5333 }
5334 EXPORT_SYMBOL(drm_add_modes_noedid);
5335
5336 /**
5337  * drm_set_preferred_mode - Sets the preferred mode of a connector
5338  * @connector: connector whose mode list should be processed
5339  * @hpref: horizontal resolution of preferred mode
5340  * @vpref: vertical resolution of preferred mode
5341  *
5342  * Marks a mode as preferred if it matches the resolution specified by @hpref
5343  * and @vpref.
5344  */
5345 void drm_set_preferred_mode(struct drm_connector *connector,
5346                            int hpref, int vpref)
5347 {
5348         struct drm_display_mode *mode;
5349
5350         list_for_each_entry(mode, &connector->probed_modes, head) {
5351                 if (mode->hdisplay == hpref &&
5352                     mode->vdisplay == vpref)
5353                         mode->type |= DRM_MODE_TYPE_PREFERRED;
5354         }
5355 }
5356 EXPORT_SYMBOL(drm_set_preferred_mode);
5357
5358 static bool is_hdmi2_sink(struct drm_connector *connector)
5359 {
5360         /*
5361          * FIXME: sil-sii8620 doesn't have a connector around when
5362          * we need one, so we have to be prepared for a NULL connector.
5363          */
5364         if (!connector)
5365                 return true;
5366
5367         return connector->display_info.hdmi.scdc.supported ||
5368                 connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420;
5369 }
5370
5371 static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
5372 {
5373         return sink_eotf & BIT(output_eotf);
5374 }
5375
5376 /**
5377  * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
5378  *                                         HDR metadata from userspace
5379  * @frame: HDMI DRM infoframe
5380  * @conn_state: Connector state containing HDR metadata
5381  *
5382  * Return: 0 on success or a negative error code on failure.
5383  */
5384 int
5385 drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
5386                                     const struct drm_connector_state *conn_state)
5387 {
5388         struct drm_connector *connector;
5389         struct hdr_output_metadata *hdr_metadata;
5390         int err;
5391
5392         if (!frame || !conn_state)
5393                 return -EINVAL;
5394
5395         connector = conn_state->connector;
5396
5397         if (!conn_state->hdr_output_metadata)
5398                 return -EINVAL;
5399
5400         hdr_metadata = conn_state->hdr_output_metadata->data;
5401
5402         if (!hdr_metadata || !connector)
5403                 return -EINVAL;
5404
5405         /* Sink EOTF is Bit map while infoframe is absolute values */
5406         if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
5407             connector->hdr_sink_metadata.hdmi_type1.eotf)) {
5408                 DRM_DEBUG_KMS("EOTF Not Supported\n");
5409                 return -EINVAL;
5410         }
5411
5412         err = hdmi_drm_infoframe_init(frame);
5413         if (err < 0)
5414                 return err;
5415
5416         frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
5417         frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
5418
5419         BUILD_BUG_ON(sizeof(frame->display_primaries) !=
5420                      sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
5421         BUILD_BUG_ON(sizeof(frame->white_point) !=
5422                      sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
5423
5424         memcpy(&frame->display_primaries,
5425                &hdr_metadata->hdmi_metadata_type1.display_primaries,
5426                sizeof(frame->display_primaries));
5427
5428         memcpy(&frame->white_point,
5429                &hdr_metadata->hdmi_metadata_type1.white_point,
5430                sizeof(frame->white_point));
5431
5432         frame->max_display_mastering_luminance =
5433                 hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
5434         frame->min_display_mastering_luminance =
5435                 hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
5436         frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
5437         frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
5438
5439         return 0;
5440 }
5441 EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
5442
5443 static u8 drm_mode_hdmi_vic(struct drm_connector *connector,
5444                             const struct drm_display_mode *mode)
5445 {
5446         bool has_hdmi_infoframe = connector ?
5447                 connector->display_info.has_hdmi_infoframe : false;
5448
5449         if (!has_hdmi_infoframe)
5450                 return 0;
5451
5452         /* No HDMI VIC when signalling 3D video format */
5453         if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5454                 return 0;
5455
5456         return drm_match_hdmi_mode(mode);
5457 }
5458
5459 static u8 drm_mode_cea_vic(struct drm_connector *connector,
5460                            const struct drm_display_mode *mode)
5461 {
5462         u8 vic;
5463
5464         /*
5465          * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5466          * we should send its VIC in vendor infoframes, else send the
5467          * VIC in AVI infoframes. Lets check if this mode is present in
5468          * HDMI 1.4b 4K modes
5469          */
5470         if (drm_mode_hdmi_vic(connector, mode))
5471                 return 0;
5472
5473         vic = drm_match_cea_mode(mode);
5474
5475         /*
5476          * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5477          * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5478          * have to make sure we dont break HDMI 1.4 sinks.
5479          */
5480         if (!is_hdmi2_sink(connector) && vic > 64)
5481                 return 0;
5482
5483         return vic;
5484 }
5485
5486 /**
5487  * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5488  *                                              data from a DRM display mode
5489  * @frame: HDMI AVI infoframe
5490  * @connector: the connector
5491  * @mode: DRM display mode
5492  *
5493  * Return: 0 on success or a negative error code on failure.
5494  */
5495 int
5496 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5497                                          struct drm_connector *connector,
5498                                          const struct drm_display_mode *mode)
5499 {
5500         enum hdmi_picture_aspect picture_aspect;
5501         u8 vic, hdmi_vic;
5502
5503         if (!frame || !mode)
5504                 return -EINVAL;
5505
5506         hdmi_avi_infoframe_init(frame);
5507
5508         if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5509                 frame->pixel_repeat = 1;
5510
5511         vic = drm_mode_cea_vic(connector, mode);
5512         hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5513
5514         frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5515
5516         /*
5517          * As some drivers don't support atomic, we can't use connector state.
5518          * So just initialize the frame with default values, just the same way
5519          * as it's done with other properties here.
5520          */
5521         frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5522         frame->itc = 0;
5523
5524         /*
5525          * Populate picture aspect ratio from either
5526          * user input (if specified) or from the CEA/HDMI mode lists.
5527          */
5528         picture_aspect = mode->picture_aspect_ratio;
5529         if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5530                 if (vic)
5531                         picture_aspect = drm_get_cea_aspect_ratio(vic);
5532                 else if (hdmi_vic)
5533                         picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5534         }
5535
5536         /*
5537          * The infoframe can't convey anything but none, 4:3
5538          * and 16:9, so if the user has asked for anything else
5539          * we can only satisfy it by specifying the right VIC.
5540          */
5541         if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5542                 if (vic) {
5543                         if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5544                                 return -EINVAL;
5545                 } else if (hdmi_vic) {
5546                         if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5547                                 return -EINVAL;
5548                 } else {
5549                         return -EINVAL;
5550                 }
5551
5552                 picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5553         }
5554
5555         frame->video_code = vic;
5556         frame->picture_aspect = picture_aspect;
5557         frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5558         frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5559
5560         return 0;
5561 }
5562 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5563
5564 /* HDMI Colorspace Spec Definitions */
5565 #define FULL_COLORIMETRY_MASK           0x1FF
5566 #define NORMAL_COLORIMETRY_MASK         0x3
5567 #define EXTENDED_COLORIMETRY_MASK       0x7
5568 #define EXTENDED_ACE_COLORIMETRY_MASK   0xF
5569
5570 #define C(x) ((x) << 0)
5571 #define EC(x) ((x) << 2)
5572 #define ACE(x) ((x) << 5)
5573
5574 #define HDMI_COLORIMETRY_NO_DATA                0x0
5575 #define HDMI_COLORIMETRY_SMPTE_170M_YCC         (C(1) | EC(0) | ACE(0))
5576 #define HDMI_COLORIMETRY_BT709_YCC              (C(2) | EC(0) | ACE(0))
5577 #define HDMI_COLORIMETRY_XVYCC_601              (C(3) | EC(0) | ACE(0))
5578 #define HDMI_COLORIMETRY_XVYCC_709              (C(3) | EC(1) | ACE(0))
5579 #define HDMI_COLORIMETRY_SYCC_601               (C(3) | EC(2) | ACE(0))
5580 #define HDMI_COLORIMETRY_OPYCC_601              (C(3) | EC(3) | ACE(0))
5581 #define HDMI_COLORIMETRY_OPRGB                  (C(3) | EC(4) | ACE(0))
5582 #define HDMI_COLORIMETRY_BT2020_CYCC            (C(3) | EC(5) | ACE(0))
5583 #define HDMI_COLORIMETRY_BT2020_RGB             (C(3) | EC(6) | ACE(0))
5584 #define HDMI_COLORIMETRY_BT2020_YCC             (C(3) | EC(6) | ACE(0))
5585 #define HDMI_COLORIMETRY_DCI_P3_RGB_D65         (C(3) | EC(7) | ACE(0))
5586 #define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER     (C(3) | EC(7) | ACE(1))
5587
5588 static const u32 hdmi_colorimetry_val[] = {
5589         [DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
5590         [DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
5591         [DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
5592         [DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
5593         [DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
5594         [DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
5595         [DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
5596         [DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
5597         [DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
5598         [DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
5599         [DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
5600 };
5601
5602 #undef C
5603 #undef EC
5604 #undef ACE
5605
5606 /**
5607  * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe
5608  *                                       colorspace information
5609  * @frame: HDMI AVI infoframe
5610  * @conn_state: connector state
5611  */
5612 void
5613 drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
5614                                   const struct drm_connector_state *conn_state)
5615 {
5616         u32 colorimetry_val;
5617         u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
5618
5619         if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
5620                 colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
5621         else
5622                 colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
5623
5624         frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
5625         /*
5626          * ToDo: Extend it for ACE formats as well. Modify the infoframe
5627          * structure and extend it in drivers/video/hdmi
5628          */
5629         frame->extended_colorimetry = (colorimetry_val >> 2) &
5630                                         EXTENDED_COLORIMETRY_MASK;
5631 }
5632 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
5633
5634 /**
5635  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5636  *                                        quantization range information
5637  * @frame: HDMI AVI infoframe
5638  * @connector: the connector
5639  * @mode: DRM display mode
5640  * @rgb_quant_range: RGB quantization range (Q)
5641  */
5642 void
5643 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5644                                    struct drm_connector *connector,
5645                                    const struct drm_display_mode *mode,
5646                                    enum hdmi_quantization_range rgb_quant_range)
5647 {
5648         const struct drm_display_info *info = &connector->display_info;
5649
5650         /*
5651          * CEA-861:
5652          * "A Source shall not send a non-zero Q value that does not correspond
5653          *  to the default RGB Quantization Range for the transmitted Picture
5654          *  unless the Sink indicates support for the Q bit in a Video
5655          *  Capabilities Data Block."
5656          *
5657          * HDMI 2.0 recommends sending non-zero Q when it does match the
5658          * default RGB quantization range for the mode, even when QS=0.
5659          */
5660         if (info->rgb_quant_range_selectable ||
5661             rgb_quant_range == drm_default_rgb_quant_range(mode))
5662                 frame->quantization_range = rgb_quant_range;
5663         else
5664                 frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5665
5666         /*
5667          * CEA-861-F:
5668          * "When transmitting any RGB colorimetry, the Source should set the
5669          *  YQ-field to match the RGB Quantization Range being transmitted
5670          *  (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5671          *  set YQ=1) and the Sink shall ignore the YQ-field."
5672          *
5673          * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5674          * by non-zero YQ when receiving RGB. There doesn't seem to be any
5675          * good way to tell which version of CEA-861 the sink supports, so
5676          * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5677          * on on CEA-861-F.
5678          */
5679         if (!is_hdmi2_sink(connector) ||
5680             rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5681                 frame->ycc_quantization_range =
5682                         HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5683         else
5684                 frame->ycc_quantization_range =
5685                         HDMI_YCC_QUANTIZATION_RANGE_FULL;
5686 }
5687 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5688
5689 /**
5690  * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
5691  *                                 bar information
5692  * @frame: HDMI AVI infoframe
5693  * @conn_state: connector state
5694  */
5695 void
5696 drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
5697                             const struct drm_connector_state *conn_state)
5698 {
5699         frame->right_bar = conn_state->tv.margins.right;
5700         frame->left_bar = conn_state->tv.margins.left;
5701         frame->top_bar = conn_state->tv.margins.top;
5702         frame->bottom_bar = conn_state->tv.margins.bottom;
5703 }
5704 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
5705
5706 static enum hdmi_3d_structure
5707 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5708 {
5709         u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5710
5711         switch (layout) {
5712         case DRM_MODE_FLAG_3D_FRAME_PACKING:
5713                 return HDMI_3D_STRUCTURE_FRAME_PACKING;
5714         case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
5715                 return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
5716         case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
5717                 return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
5718         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
5719                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
5720         case DRM_MODE_FLAG_3D_L_DEPTH:
5721                 return HDMI_3D_STRUCTURE_L_DEPTH;
5722         case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
5723                 return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
5724         case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
5725                 return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
5726         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
5727                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
5728         default:
5729                 return HDMI_3D_STRUCTURE_INVALID;
5730         }
5731 }
5732
5733 /**
5734  * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
5735  * data from a DRM display mode
5736  * @frame: HDMI vendor infoframe
5737  * @connector: the connector
5738  * @mode: DRM display mode
5739  *
5740  * Note that there's is a need to send HDMI vendor infoframes only when using a
5741  * 4k or stereoscopic 3D mode. So when giving any other mode as input this
5742  * function will return -EINVAL, error that can be safely ignored.
5743  *
5744  * Return: 0 on success or a negative error code on failure.
5745  */
5746 int
5747 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5748                                             struct drm_connector *connector,
5749                                             const struct drm_display_mode *mode)
5750 {
5751         /*
5752          * FIXME: sil-sii8620 doesn't have a connector around when
5753          * we need one, so we have to be prepared for a NULL connector.
5754          */
5755         bool has_hdmi_infoframe = connector ?
5756                 connector->display_info.has_hdmi_infoframe : false;
5757         int err;
5758
5759         if (!frame || !mode)
5760                 return -EINVAL;
5761
5762         if (!has_hdmi_infoframe)
5763                 return -EINVAL;
5764
5765         err = hdmi_vendor_infoframe_init(frame);
5766         if (err < 0)
5767                 return err;
5768
5769         /*
5770          * Even if it's not absolutely necessary to send the infoframe
5771          * (ie.vic==0 and s3d_struct==0) we will still send it if we
5772          * know that the sink can handle it. This is based on a
5773          * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
5774          * have trouble realizing that they shuld switch from 3D to 2D
5775          * mode if the source simply stops sending the infoframe when
5776          * it wants to switch from 3D to 2D.
5777          */
5778         frame->vic = drm_mode_hdmi_vic(connector, mode);
5779         frame->s3d_struct = s3d_structure_from_display_mode(mode);
5780
5781         return 0;
5782 }
5783 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5784
5785 static int drm_parse_tiled_block(struct drm_connector *connector,
5786                                  struct displayid_block *block)
5787 {
5788         struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
5789         u16 w, h;
5790         u8 tile_v_loc, tile_h_loc;
5791         u8 num_v_tile, num_h_tile;
5792         struct drm_tile_group *tg;
5793
5794         w = tile->tile_size[0] | tile->tile_size[1] << 8;
5795         h = tile->tile_size[2] | tile->tile_size[3] << 8;
5796
5797         num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
5798         num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
5799         tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
5800         tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
5801
5802         connector->has_tile = true;
5803         if (tile->tile_cap & 0x80)
5804                 connector->tile_is_single_monitor = true;
5805
5806         connector->num_h_tile = num_h_tile + 1;
5807         connector->num_v_tile = num_v_tile + 1;
5808         connector->tile_h_loc = tile_h_loc;
5809         connector->tile_v_loc = tile_v_loc;
5810         connector->tile_h_size = w + 1;
5811         connector->tile_v_size = h + 1;
5812
5813         DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
5814         DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
5815         DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
5816                       num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
5817         DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
5818
5819         tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
5820         if (!tg) {
5821                 tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
5822         }
5823         if (!tg)
5824                 return -ENOMEM;
5825
5826         if (connector->tile_group != tg) {
5827                 /* if we haven't got a pointer,
5828                    take the reference, drop ref to old tile group */
5829                 if (connector->tile_group) {
5830                         drm_mode_put_tile_group(connector->dev, connector->tile_group);
5831                 }
5832                 connector->tile_group = tg;
5833         } else
5834                 /* if same tile group, then release the ref we just took. */
5835                 drm_mode_put_tile_group(connector->dev, tg);
5836         return 0;
5837 }
5838
5839 static int drm_parse_display_id(struct drm_connector *connector,
5840                                 u8 *displayid, int length,
5841                                 bool is_edid_extension)
5842 {
5843         /* if this is an EDID extension the first byte will be 0x70 */
5844         int idx = 0;
5845         struct displayid_block *block;
5846         int ret;
5847
5848         if (is_edid_extension)
5849                 idx = 1;
5850
5851         ret = validate_displayid(displayid, length, idx);
5852         if (ret)
5853                 return ret;
5854
5855         idx += sizeof(struct displayid_hdr);
5856         for_each_displayid_db(displayid, block, idx, length) {
5857                 DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n",
5858                               block->tag, block->rev, block->num_bytes);
5859
5860                 switch (block->tag) {
5861                 case DATA_BLOCK_TILED_DISPLAY:
5862                         ret = drm_parse_tiled_block(connector, block);
5863                         if (ret)
5864                                 return ret;
5865                         break;
5866                 case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5867                         /* handled in mode gathering code. */
5868                         break;
5869                 case DATA_BLOCK_CTA:
5870                         /* handled in the cea parser code. */
5871                         break;
5872                 default:
5873                         DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag);
5874                         break;
5875                 }
5876         }
5877         return 0;
5878 }
5879
5880 static void drm_get_displayid(struct drm_connector *connector,
5881                               struct edid *edid)
5882 {
5883         void *displayid = NULL;
5884         int ret;
5885         connector->has_tile = false;
5886         displayid = drm_find_displayid_extension(edid);
5887         if (!displayid) {
5888                 /* drop reference to any tile group we had */
5889                 goto out_drop_ref;
5890         }
5891
5892         ret = drm_parse_display_id(connector, displayid, EDID_LENGTH, true);
5893         if (ret < 0)
5894                 goto out_drop_ref;
5895         if (!connector->has_tile)
5896                 goto out_drop_ref;
5897         return;
5898 out_drop_ref:
5899         if (connector->tile_group) {
5900                 drm_mode_put_tile_group(connector->dev, connector->tile_group);
5901                 connector->tile_group = NULL;
5902         }
5903         return;
5904 }