Revert "drm/dp_mst: Remove single tx msg restriction."
[linux-2.6-microblaze.git] / drivers / gpu / drm / drm_edid.c
1 /*
2  * Copyright (c) 2006 Luc Verhaegen (quirks list)
3  * Copyright (c) 2007-2008 Intel Corporation
4  *   Jesse Barnes <jesse.barnes@intel.com>
5  * Copyright 2010 Red Hat, Inc.
6  *
7  * DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from
8  * FB layer.
9  *   Copyright (C) 2006 Dennis Munsie <dmunsie@cecropia.com>
10  *
11  * Permission is hereby granted, free of charge, to any person obtaining a
12  * copy of this software and associated documentation files (the "Software"),
13  * to deal in the Software without restriction, including without limitation
14  * the rights to use, copy, modify, merge, publish, distribute, sub license,
15  * and/or sell copies of the Software, and to permit persons to whom the
16  * Software is furnished to do so, subject to the following conditions:
17  *
18  * The above copyright notice and this permission notice (including the
19  * next paragraph) shall be included in all copies or substantial portions
20  * of the Software.
21  *
22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
25  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28  * DEALINGS IN THE SOFTWARE.
29  */
30
31 #include <linux/hdmi.h>
32 #include <linux/i2c.h>
33 #include <linux/kernel.h>
34 #include <linux/module.h>
35 #include <linux/slab.h>
36 #include <linux/vga_switcheroo.h>
37
38 #include <drm/drm_displayid.h>
39 #include <drm/drm_drv.h>
40 #include <drm/drm_edid.h>
41 #include <drm/drm_encoder.h>
42 #include <drm/drm_print.h>
43 #include <drm/drm_scdc_helper.h>
44
45 #include "drm_crtc_internal.h"
46
47 #define version_greater(edid, maj, min) \
48         (((edid)->version > (maj)) || \
49          ((edid)->version == (maj) && (edid)->revision > (min)))
50
51 #define EDID_EST_TIMINGS 16
52 #define EDID_STD_TIMINGS 8
53 #define EDID_DETAILED_TIMINGS 4
54
55 /*
56  * EDID blocks out in the wild have a variety of bugs, try to collect
57  * them here (note that userspace may work around broken monitors first,
58  * but fixes should make their way here so that the kernel "just works"
59  * on as many displays as possible).
60  */
61
62 /* First detailed mode wrong, use largest 60Hz mode */
63 #define EDID_QUIRK_PREFER_LARGE_60              (1 << 0)
64 /* Reported 135MHz pixel clock is too high, needs adjustment */
65 #define EDID_QUIRK_135_CLOCK_TOO_HIGH           (1 << 1)
66 /* Prefer the largest mode at 75 Hz */
67 #define EDID_QUIRK_PREFER_LARGE_75              (1 << 2)
68 /* Detail timing is in cm not mm */
69 #define EDID_QUIRK_DETAILED_IN_CM               (1 << 3)
70 /* Detailed timing descriptors have bogus size values, so just take the
71  * maximum size and use that.
72  */
73 #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE    (1 << 4)
74 /* use +hsync +vsync for detailed mode */
75 #define EDID_QUIRK_DETAILED_SYNC_PP             (1 << 6)
76 /* Force reduced-blanking timings for detailed modes */
77 #define EDID_QUIRK_FORCE_REDUCED_BLANKING       (1 << 7)
78 /* Force 8bpc */
79 #define EDID_QUIRK_FORCE_8BPC                   (1 << 8)
80 /* Force 12bpc */
81 #define EDID_QUIRK_FORCE_12BPC                  (1 << 9)
82 /* Force 6bpc */
83 #define EDID_QUIRK_FORCE_6BPC                   (1 << 10)
84 /* Force 10bpc */
85 #define EDID_QUIRK_FORCE_10BPC                  (1 << 11)
86 /* Non desktop display (i.e. HMD) */
87 #define EDID_QUIRK_NON_DESKTOP                  (1 << 12)
88
89 struct detailed_mode_closure {
90         struct drm_connector *connector;
91         struct edid *edid;
92         bool preferred;
93         u32 quirks;
94         int modes;
95 };
96
97 #define LEVEL_DMT       0
98 #define LEVEL_GTF       1
99 #define LEVEL_GTF2      2
100 #define LEVEL_CVT       3
101
102 static const struct edid_quirk {
103         char vendor[4];
104         int product_id;
105         u32 quirks;
106 } edid_quirk_list[] = {
107         /* Acer AL1706 */
108         { "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 },
109         /* Acer F51 */
110         { "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 },
111
112         /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
113         { "AEO", 0, EDID_QUIRK_FORCE_6BPC },
114
115         /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
116         { "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC },
117
118         /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
119         { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },
120
121         /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
122         { "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC },
123
124         /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
125         { "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC },
126
127         /* Belinea 10 15 55 */
128         { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 },
129         { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },
130
131         /* Envision Peripherals, Inc. EN-7100e */
132         { "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH },
133         /* Envision EN2028 */
134         { "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 },
135
136         /* Funai Electronics PM36B */
137         { "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 |
138           EDID_QUIRK_DETAILED_IN_CM },
139
140         /* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
141         { "LGD", 764, EDID_QUIRK_FORCE_10BPC },
142
143         /* LG Philips LCD LP154W01-A5 */
144         { "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
145         { "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
146
147         /* Samsung SyncMaster 205BW.  Note: irony */
148         { "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP },
149         /* Samsung SyncMaster 22[5-6]BW */
150         { "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 },
151         { "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 },
152
153         /* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
154         { "SNY", 0x2541, EDID_QUIRK_FORCE_12BPC },
155
156         /* ViewSonic VA2026w */
157         { "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING },
158
159         /* Medion MD 30217 PG */
160         { "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 },
161
162         /* Lenovo G50 */
163         { "SDC", 18514, EDID_QUIRK_FORCE_6BPC },
164
165         /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
166         { "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC },
167
168         /* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
169         { "ETR", 13896, EDID_QUIRK_FORCE_8BPC },
170
171         /* Valve Index Headset */
172         { "VLV", 0x91a8, EDID_QUIRK_NON_DESKTOP },
173         { "VLV", 0x91b0, EDID_QUIRK_NON_DESKTOP },
174         { "VLV", 0x91b1, EDID_QUIRK_NON_DESKTOP },
175         { "VLV", 0x91b2, EDID_QUIRK_NON_DESKTOP },
176         { "VLV", 0x91b3, EDID_QUIRK_NON_DESKTOP },
177         { "VLV", 0x91b4, EDID_QUIRK_NON_DESKTOP },
178         { "VLV", 0x91b5, EDID_QUIRK_NON_DESKTOP },
179         { "VLV", 0x91b6, EDID_QUIRK_NON_DESKTOP },
180         { "VLV", 0x91b7, EDID_QUIRK_NON_DESKTOP },
181         { "VLV", 0x91b8, EDID_QUIRK_NON_DESKTOP },
182         { "VLV", 0x91b9, EDID_QUIRK_NON_DESKTOP },
183         { "VLV", 0x91ba, EDID_QUIRK_NON_DESKTOP },
184         { "VLV", 0x91bb, EDID_QUIRK_NON_DESKTOP },
185         { "VLV", 0x91bc, EDID_QUIRK_NON_DESKTOP },
186         { "VLV", 0x91bd, EDID_QUIRK_NON_DESKTOP },
187         { "VLV", 0x91be, EDID_QUIRK_NON_DESKTOP },
188         { "VLV", 0x91bf, EDID_QUIRK_NON_DESKTOP },
189
190         /* HTC Vive and Vive Pro VR Headsets */
191         { "HVR", 0xaa01, EDID_QUIRK_NON_DESKTOP },
192         { "HVR", 0xaa02, EDID_QUIRK_NON_DESKTOP },
193
194         /* Oculus Rift DK1, DK2, and CV1 VR Headsets */
195         { "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP },
196         { "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP },
197         { "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP },
198
199         /* Windows Mixed Reality Headsets */
200         { "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP },
201         { "HPN", 0x3515, EDID_QUIRK_NON_DESKTOP },
202         { "LEN", 0x0408, EDID_QUIRK_NON_DESKTOP },
203         { "LEN", 0xb800, EDID_QUIRK_NON_DESKTOP },
204         { "FUJ", 0x1970, EDID_QUIRK_NON_DESKTOP },
205         { "DEL", 0x7fce, EDID_QUIRK_NON_DESKTOP },
206         { "SEC", 0x144a, EDID_QUIRK_NON_DESKTOP },
207         { "AUS", 0xc102, EDID_QUIRK_NON_DESKTOP },
208
209         /* Sony PlayStation VR Headset */
210         { "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP },
211
212         /* Sensics VR Headsets */
213         { "SEN", 0x1019, EDID_QUIRK_NON_DESKTOP },
214
215         /* OSVR HDK and HDK2 VR Headsets */
216         { "SVR", 0x1019, EDID_QUIRK_NON_DESKTOP },
217 };
218
219 /*
220  * Autogenerated from the DMT spec.
221  * This table is copied from xfree86/modes/xf86EdidModes.c.
222  */
223 static const struct drm_display_mode drm_dmt_modes[] = {
224         /* 0x01 - 640x350@85Hz */
225         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
226                    736, 832, 0, 350, 382, 385, 445, 0,
227                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
228         /* 0x02 - 640x400@85Hz */
229         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
230                    736, 832, 0, 400, 401, 404, 445, 0,
231                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
232         /* 0x03 - 720x400@85Hz */
233         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
234                    828, 936, 0, 400, 401, 404, 446, 0,
235                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
236         /* 0x04 - 640x480@60Hz */
237         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
238                    752, 800, 0, 480, 490, 492, 525, 0,
239                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
240         /* 0x05 - 640x480@72Hz */
241         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
242                    704, 832, 0, 480, 489, 492, 520, 0,
243                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
244         /* 0x06 - 640x480@75Hz */
245         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
246                    720, 840, 0, 480, 481, 484, 500, 0,
247                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
248         /* 0x07 - 640x480@85Hz */
249         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
250                    752, 832, 0, 480, 481, 484, 509, 0,
251                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
252         /* 0x08 - 800x600@56Hz */
253         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
254                    896, 1024, 0, 600, 601, 603, 625, 0,
255                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
256         /* 0x09 - 800x600@60Hz */
257         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
258                    968, 1056, 0, 600, 601, 605, 628, 0,
259                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
260         /* 0x0a - 800x600@72Hz */
261         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
262                    976, 1040, 0, 600, 637, 643, 666, 0,
263                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
264         /* 0x0b - 800x600@75Hz */
265         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
266                    896, 1056, 0, 600, 601, 604, 625, 0,
267                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
268         /* 0x0c - 800x600@85Hz */
269         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
270                    896, 1048, 0, 600, 601, 604, 631, 0,
271                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
272         /* 0x0d - 800x600@120Hz RB */
273         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
274                    880, 960, 0, 600, 603, 607, 636, 0,
275                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
276         /* 0x0e - 848x480@60Hz */
277         { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
278                    976, 1088, 0, 480, 486, 494, 517, 0,
279                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
280         /* 0x0f - 1024x768@43Hz, interlace */
281         { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
282                    1208, 1264, 0, 768, 768, 776, 817, 0,
283                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
284                    DRM_MODE_FLAG_INTERLACE) },
285         /* 0x10 - 1024x768@60Hz */
286         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
287                    1184, 1344, 0, 768, 771, 777, 806, 0,
288                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
289         /* 0x11 - 1024x768@70Hz */
290         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
291                    1184, 1328, 0, 768, 771, 777, 806, 0,
292                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
293         /* 0x12 - 1024x768@75Hz */
294         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
295                    1136, 1312, 0, 768, 769, 772, 800, 0,
296                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
297         /* 0x13 - 1024x768@85Hz */
298         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
299                    1168, 1376, 0, 768, 769, 772, 808, 0,
300                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
301         /* 0x14 - 1024x768@120Hz RB */
302         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
303                    1104, 1184, 0, 768, 771, 775, 813, 0,
304                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
305         /* 0x15 - 1152x864@75Hz */
306         { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
307                    1344, 1600, 0, 864, 865, 868, 900, 0,
308                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
309         /* 0x55 - 1280x720@60Hz */
310         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
311                    1430, 1650, 0, 720, 725, 730, 750, 0,
312                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
313         /* 0x16 - 1280x768@60Hz RB */
314         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
315                    1360, 1440, 0, 768, 771, 778, 790, 0,
316                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
317         /* 0x17 - 1280x768@60Hz */
318         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
319                    1472, 1664, 0, 768, 771, 778, 798, 0,
320                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
321         /* 0x18 - 1280x768@75Hz */
322         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
323                    1488, 1696, 0, 768, 771, 778, 805, 0,
324                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
325         /* 0x19 - 1280x768@85Hz */
326         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
327                    1496, 1712, 0, 768, 771, 778, 809, 0,
328                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
329         /* 0x1a - 1280x768@120Hz RB */
330         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
331                    1360, 1440, 0, 768, 771, 778, 813, 0,
332                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
333         /* 0x1b - 1280x800@60Hz RB */
334         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
335                    1360, 1440, 0, 800, 803, 809, 823, 0,
336                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
337         /* 0x1c - 1280x800@60Hz */
338         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
339                    1480, 1680, 0, 800, 803, 809, 831, 0,
340                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
341         /* 0x1d - 1280x800@75Hz */
342         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
343                    1488, 1696, 0, 800, 803, 809, 838, 0,
344                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
345         /* 0x1e - 1280x800@85Hz */
346         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
347                    1496, 1712, 0, 800, 803, 809, 843, 0,
348                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
349         /* 0x1f - 1280x800@120Hz RB */
350         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
351                    1360, 1440, 0, 800, 803, 809, 847, 0,
352                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
353         /* 0x20 - 1280x960@60Hz */
354         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
355                    1488, 1800, 0, 960, 961, 964, 1000, 0,
356                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
357         /* 0x21 - 1280x960@85Hz */
358         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
359                    1504, 1728, 0, 960, 961, 964, 1011, 0,
360                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
361         /* 0x22 - 1280x960@120Hz RB */
362         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
363                    1360, 1440, 0, 960, 963, 967, 1017, 0,
364                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
365         /* 0x23 - 1280x1024@60Hz */
366         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
367                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
368                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
369         /* 0x24 - 1280x1024@75Hz */
370         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
371                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
372                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
373         /* 0x25 - 1280x1024@85Hz */
374         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
375                    1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
376                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
377         /* 0x26 - 1280x1024@120Hz RB */
378         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
379                    1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
380                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
381         /* 0x27 - 1360x768@60Hz */
382         { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
383                    1536, 1792, 0, 768, 771, 777, 795, 0,
384                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
385         /* 0x28 - 1360x768@120Hz RB */
386         { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
387                    1440, 1520, 0, 768, 771, 776, 813, 0,
388                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
389         /* 0x51 - 1366x768@60Hz */
390         { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
391                    1579, 1792, 0, 768, 771, 774, 798, 0,
392                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
393         /* 0x56 - 1366x768@60Hz */
394         { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
395                    1436, 1500, 0, 768, 769, 772, 800, 0,
396                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
397         /* 0x29 - 1400x1050@60Hz RB */
398         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
399                    1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
400                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
401         /* 0x2a - 1400x1050@60Hz */
402         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
403                    1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
404                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
405         /* 0x2b - 1400x1050@75Hz */
406         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
407                    1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
408                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
409         /* 0x2c - 1400x1050@85Hz */
410         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
411                    1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
412                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
413         /* 0x2d - 1400x1050@120Hz RB */
414         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
415                    1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
416                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
417         /* 0x2e - 1440x900@60Hz RB */
418         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
419                    1520, 1600, 0, 900, 903, 909, 926, 0,
420                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
421         /* 0x2f - 1440x900@60Hz */
422         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
423                    1672, 1904, 0, 900, 903, 909, 934, 0,
424                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
425         /* 0x30 - 1440x900@75Hz */
426         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
427                    1688, 1936, 0, 900, 903, 909, 942, 0,
428                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
429         /* 0x31 - 1440x900@85Hz */
430         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
431                    1696, 1952, 0, 900, 903, 909, 948, 0,
432                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
433         /* 0x32 - 1440x900@120Hz RB */
434         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
435                    1520, 1600, 0, 900, 903, 909, 953, 0,
436                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
437         /* 0x53 - 1600x900@60Hz */
438         { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
439                    1704, 1800, 0, 900, 901, 904, 1000, 0,
440                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
441         /* 0x33 - 1600x1200@60Hz */
442         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
443                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
444                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
445         /* 0x34 - 1600x1200@65Hz */
446         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
447                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
448                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
449         /* 0x35 - 1600x1200@70Hz */
450         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
451                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
452                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
453         /* 0x36 - 1600x1200@75Hz */
454         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
455                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
456                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
457         /* 0x37 - 1600x1200@85Hz */
458         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
459                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
460                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
461         /* 0x38 - 1600x1200@120Hz RB */
462         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
463                    1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
464                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
465         /* 0x39 - 1680x1050@60Hz RB */
466         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
467                    1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
468                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
469         /* 0x3a - 1680x1050@60Hz */
470         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
471                    1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
472                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
473         /* 0x3b - 1680x1050@75Hz */
474         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
475                    1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
476                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
477         /* 0x3c - 1680x1050@85Hz */
478         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
479                    1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
480                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
481         /* 0x3d - 1680x1050@120Hz RB */
482         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
483                    1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
484                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
485         /* 0x3e - 1792x1344@60Hz */
486         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
487                    2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
488                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
489         /* 0x3f - 1792x1344@75Hz */
490         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
491                    2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
492                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
493         /* 0x40 - 1792x1344@120Hz RB */
494         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
495                    1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
496                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
497         /* 0x41 - 1856x1392@60Hz */
498         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
499                    2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
500                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
501         /* 0x42 - 1856x1392@75Hz */
502         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
503                    2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
504                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
505         /* 0x43 - 1856x1392@120Hz RB */
506         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
507                    1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
508                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
509         /* 0x52 - 1920x1080@60Hz */
510         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
511                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
512                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
513         /* 0x44 - 1920x1200@60Hz RB */
514         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
515                    2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
516                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
517         /* 0x45 - 1920x1200@60Hz */
518         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
519                    2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
520                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
521         /* 0x46 - 1920x1200@75Hz */
522         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
523                    2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
524                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
525         /* 0x47 - 1920x1200@85Hz */
526         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
527                    2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
528                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
529         /* 0x48 - 1920x1200@120Hz RB */
530         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
531                    2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
532                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
533         /* 0x49 - 1920x1440@60Hz */
534         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
535                    2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
536                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
537         /* 0x4a - 1920x1440@75Hz */
538         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
539                    2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
540                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
541         /* 0x4b - 1920x1440@120Hz RB */
542         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
543                    2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
544                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
545         /* 0x54 - 2048x1152@60Hz */
546         { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
547                    2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
548                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
549         /* 0x4c - 2560x1600@60Hz RB */
550         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
551                    2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
552                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
553         /* 0x4d - 2560x1600@60Hz */
554         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
555                    3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
556                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
557         /* 0x4e - 2560x1600@75Hz */
558         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
559                    3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
560                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
561         /* 0x4f - 2560x1600@85Hz */
562         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
563                    3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
564                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
565         /* 0x50 - 2560x1600@120Hz RB */
566         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
567                    2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
568                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
569         /* 0x57 - 4096x2160@60Hz RB */
570         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
571                    4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
572                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
573         /* 0x58 - 4096x2160@59.94Hz RB */
574         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
575                    4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
576                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
577 };
578
579 /*
580  * These more or less come from the DMT spec.  The 720x400 modes are
581  * inferred from historical 80x25 practice.  The 640x480@67 and 832x624@75
582  * modes are old-school Mac modes.  The EDID spec says the 1152x864@75 mode
583  * should be 1152x870, again for the Mac, but instead we use the x864 DMT
584  * mode.
585  *
586  * The DMT modes have been fact-checked; the rest are mild guesses.
587  */
588 static const struct drm_display_mode edid_est_modes[] = {
589         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
590                    968, 1056, 0, 600, 601, 605, 628, 0,
591                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
592         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
593                    896, 1024, 0, 600, 601, 603,  625, 0,
594                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
595         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
596                    720, 840, 0, 480, 481, 484, 500, 0,
597                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
598         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
599                    704,  832, 0, 480, 489, 492, 520, 0,
600                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
601         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
602                    768,  864, 0, 480, 483, 486, 525, 0,
603                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
604         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
605                    752, 800, 0, 480, 490, 492, 525, 0,
606                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
607         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
608                    846, 900, 0, 400, 421, 423,  449, 0,
609                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
610         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
611                    846,  900, 0, 400, 412, 414, 449, 0,
612                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
613         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
614                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
615                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
616         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
617                    1136, 1312, 0,  768, 769, 772, 800, 0,
618                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
619         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
620                    1184, 1328, 0,  768, 771, 777, 806, 0,
621                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
622         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
623                    1184, 1344, 0,  768, 771, 777, 806, 0,
624                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
625         { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
626                    1208, 1264, 0, 768, 768, 776, 817, 0,
627                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
628         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
629                    928, 1152, 0, 624, 625, 628, 667, 0,
630                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
631         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
632                    896, 1056, 0, 600, 601, 604,  625, 0,
633                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
634         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
635                    976, 1040, 0, 600, 637, 643, 666, 0,
636                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
637         { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
638                    1344, 1600, 0,  864, 865, 868, 900, 0,
639                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
640 };
641
642 struct minimode {
643         short w;
644         short h;
645         short r;
646         short rb;
647 };
648
649 static const struct minimode est3_modes[] = {
650         /* byte 6 */
651         { 640, 350, 85, 0 },
652         { 640, 400, 85, 0 },
653         { 720, 400, 85, 0 },
654         { 640, 480, 85, 0 },
655         { 848, 480, 60, 0 },
656         { 800, 600, 85, 0 },
657         { 1024, 768, 85, 0 },
658         { 1152, 864, 75, 0 },
659         /* byte 7 */
660         { 1280, 768, 60, 1 },
661         { 1280, 768, 60, 0 },
662         { 1280, 768, 75, 0 },
663         { 1280, 768, 85, 0 },
664         { 1280, 960, 60, 0 },
665         { 1280, 960, 85, 0 },
666         { 1280, 1024, 60, 0 },
667         { 1280, 1024, 85, 0 },
668         /* byte 8 */
669         { 1360, 768, 60, 0 },
670         { 1440, 900, 60, 1 },
671         { 1440, 900, 60, 0 },
672         { 1440, 900, 75, 0 },
673         { 1440, 900, 85, 0 },
674         { 1400, 1050, 60, 1 },
675         { 1400, 1050, 60, 0 },
676         { 1400, 1050, 75, 0 },
677         /* byte 9 */
678         { 1400, 1050, 85, 0 },
679         { 1680, 1050, 60, 1 },
680         { 1680, 1050, 60, 0 },
681         { 1680, 1050, 75, 0 },
682         { 1680, 1050, 85, 0 },
683         { 1600, 1200, 60, 0 },
684         { 1600, 1200, 65, 0 },
685         { 1600, 1200, 70, 0 },
686         /* byte 10 */
687         { 1600, 1200, 75, 0 },
688         { 1600, 1200, 85, 0 },
689         { 1792, 1344, 60, 0 },
690         { 1792, 1344, 75, 0 },
691         { 1856, 1392, 60, 0 },
692         { 1856, 1392, 75, 0 },
693         { 1920, 1200, 60, 1 },
694         { 1920, 1200, 60, 0 },
695         /* byte 11 */
696         { 1920, 1200, 75, 0 },
697         { 1920, 1200, 85, 0 },
698         { 1920, 1440, 60, 0 },
699         { 1920, 1440, 75, 0 },
700 };
701
702 static const struct minimode extra_modes[] = {
703         { 1024, 576,  60, 0 },
704         { 1366, 768,  60, 0 },
705         { 1600, 900,  60, 0 },
706         { 1680, 945,  60, 0 },
707         { 1920, 1080, 60, 0 },
708         { 2048, 1152, 60, 0 },
709         { 2048, 1536, 60, 0 },
710 };
711
712 /*
713  * From CEA/CTA-861 spec.
714  *
715  * Do not access directly, instead always use cea_mode_for_vic().
716  */
717 static const struct drm_display_mode edid_cea_modes_1[] = {
718         /* 1 - 640x480@60Hz 4:3 */
719         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
720                    752, 800, 0, 480, 490, 492, 525, 0,
721                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
722           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
723         /* 2 - 720x480@60Hz 4:3 */
724         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
725                    798, 858, 0, 480, 489, 495, 525, 0,
726                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
727           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
728         /* 3 - 720x480@60Hz 16:9 */
729         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
730                    798, 858, 0, 480, 489, 495, 525, 0,
731                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
732           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
733         /* 4 - 1280x720@60Hz 16:9 */
734         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
735                    1430, 1650, 0, 720, 725, 730, 750, 0,
736                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
737           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
738         /* 5 - 1920x1080i@60Hz 16:9 */
739         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
740                    2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
741                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
742                    DRM_MODE_FLAG_INTERLACE),
743           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
744         /* 6 - 720(1440)x480i@60Hz 4:3 */
745         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
746                    801, 858, 0, 480, 488, 494, 525, 0,
747                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
748                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
749           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
750         /* 7 - 720(1440)x480i@60Hz 16:9 */
751         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
752                    801, 858, 0, 480, 488, 494, 525, 0,
753                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
754                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
755           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
756         /* 8 - 720(1440)x240@60Hz 4:3 */
757         { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
758                    801, 858, 0, 240, 244, 247, 262, 0,
759                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
760                    DRM_MODE_FLAG_DBLCLK),
761           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
762         /* 9 - 720(1440)x240@60Hz 16:9 */
763         { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
764                    801, 858, 0, 240, 244, 247, 262, 0,
765                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
766                    DRM_MODE_FLAG_DBLCLK),
767           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
768         /* 10 - 2880x480i@60Hz 4:3 */
769         { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
770                    3204, 3432, 0, 480, 488, 494, 525, 0,
771                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
772                    DRM_MODE_FLAG_INTERLACE),
773           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
774         /* 11 - 2880x480i@60Hz 16:9 */
775         { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
776                    3204, 3432, 0, 480, 488, 494, 525, 0,
777                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
778                    DRM_MODE_FLAG_INTERLACE),
779           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
780         /* 12 - 2880x240@60Hz 4:3 */
781         { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
782                    3204, 3432, 0, 240, 244, 247, 262, 0,
783                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
784           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
785         /* 13 - 2880x240@60Hz 16:9 */
786         { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
787                    3204, 3432, 0, 240, 244, 247, 262, 0,
788                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
789           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
790         /* 14 - 1440x480@60Hz 4:3 */
791         { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
792                    1596, 1716, 0, 480, 489, 495, 525, 0,
793                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
794           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
795         /* 15 - 1440x480@60Hz 16:9 */
796         { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
797                    1596, 1716, 0, 480, 489, 495, 525, 0,
798                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
799           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
800         /* 16 - 1920x1080@60Hz 16:9 */
801         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
802                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
803                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
804           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
805         /* 17 - 720x576@50Hz 4:3 */
806         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
807                    796, 864, 0, 576, 581, 586, 625, 0,
808                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
809           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
810         /* 18 - 720x576@50Hz 16:9 */
811         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
812                    796, 864, 0, 576, 581, 586, 625, 0,
813                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
814           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
815         /* 19 - 1280x720@50Hz 16:9 */
816         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
817                    1760, 1980, 0, 720, 725, 730, 750, 0,
818                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
819           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
820         /* 20 - 1920x1080i@50Hz 16:9 */
821         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
822                    2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
823                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
824                    DRM_MODE_FLAG_INTERLACE),
825           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
826         /* 21 - 720(1440)x576i@50Hz 4:3 */
827         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
828                    795, 864, 0, 576, 580, 586, 625, 0,
829                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
830                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
831           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
832         /* 22 - 720(1440)x576i@50Hz 16:9 */
833         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
834                    795, 864, 0, 576, 580, 586, 625, 0,
835                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
836                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
837           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
838         /* 23 - 720(1440)x288@50Hz 4:3 */
839         { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
840                    795, 864, 0, 288, 290, 293, 312, 0,
841                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
842                    DRM_MODE_FLAG_DBLCLK),
843           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
844         /* 24 - 720(1440)x288@50Hz 16:9 */
845         { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
846                    795, 864, 0, 288, 290, 293, 312, 0,
847                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
848                    DRM_MODE_FLAG_DBLCLK),
849           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
850         /* 25 - 2880x576i@50Hz 4:3 */
851         { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
852                    3180, 3456, 0, 576, 580, 586, 625, 0,
853                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
854                    DRM_MODE_FLAG_INTERLACE),
855           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
856         /* 26 - 2880x576i@50Hz 16:9 */
857         { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
858                    3180, 3456, 0, 576, 580, 586, 625, 0,
859                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
860                    DRM_MODE_FLAG_INTERLACE),
861           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
862         /* 27 - 2880x288@50Hz 4:3 */
863         { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
864                    3180, 3456, 0, 288, 290, 293, 312, 0,
865                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
866           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
867         /* 28 - 2880x288@50Hz 16:9 */
868         { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
869                    3180, 3456, 0, 288, 290, 293, 312, 0,
870                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
871           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
872         /* 29 - 1440x576@50Hz 4:3 */
873         { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
874                    1592, 1728, 0, 576, 581, 586, 625, 0,
875                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
876           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
877         /* 30 - 1440x576@50Hz 16:9 */
878         { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
879                    1592, 1728, 0, 576, 581, 586, 625, 0,
880                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
881           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
882         /* 31 - 1920x1080@50Hz 16:9 */
883         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
884                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
885                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
886           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
887         /* 32 - 1920x1080@24Hz 16:9 */
888         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
889                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
890                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
891           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
892         /* 33 - 1920x1080@25Hz 16:9 */
893         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
894                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
895                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
896           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
897         /* 34 - 1920x1080@30Hz 16:9 */
898         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
899                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
900                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
901           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
902         /* 35 - 2880x480@60Hz 4:3 */
903         { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
904                    3192, 3432, 0, 480, 489, 495, 525, 0,
905                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
906           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
907         /* 36 - 2880x480@60Hz 16:9 */
908         { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
909                    3192, 3432, 0, 480, 489, 495, 525, 0,
910                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
911           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
912         /* 37 - 2880x576@50Hz 4:3 */
913         { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
914                    3184, 3456, 0, 576, 581, 586, 625, 0,
915                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
916           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
917         /* 38 - 2880x576@50Hz 16:9 */
918         { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
919                    3184, 3456, 0, 576, 581, 586, 625, 0,
920                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
921           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
922         /* 39 - 1920x1080i@50Hz 16:9 */
923         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
924                    2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
925                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
926                    DRM_MODE_FLAG_INTERLACE),
927           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
928         /* 40 - 1920x1080i@100Hz 16:9 */
929         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
930                    2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
931                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
932                    DRM_MODE_FLAG_INTERLACE),
933           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
934         /* 41 - 1280x720@100Hz 16:9 */
935         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
936                    1760, 1980, 0, 720, 725, 730, 750, 0,
937                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
938           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
939         /* 42 - 720x576@100Hz 4:3 */
940         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
941                    796, 864, 0, 576, 581, 586, 625, 0,
942                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
943           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
944         /* 43 - 720x576@100Hz 16:9 */
945         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
946                    796, 864, 0, 576, 581, 586, 625, 0,
947                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
948           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
949         /* 44 - 720(1440)x576i@100Hz 4:3 */
950         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
951                    795, 864, 0, 576, 580, 586, 625, 0,
952                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
953                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
954           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
955         /* 45 - 720(1440)x576i@100Hz 16:9 */
956         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
957                    795, 864, 0, 576, 580, 586, 625, 0,
958                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
959                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
960           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
961         /* 46 - 1920x1080i@120Hz 16:9 */
962         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
963                    2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
964                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
965                    DRM_MODE_FLAG_INTERLACE),
966           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
967         /* 47 - 1280x720@120Hz 16:9 */
968         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
969                    1430, 1650, 0, 720, 725, 730, 750, 0,
970                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
971           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
972         /* 48 - 720x480@120Hz 4:3 */
973         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
974                    798, 858, 0, 480, 489, 495, 525, 0,
975                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
976           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
977         /* 49 - 720x480@120Hz 16:9 */
978         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
979                    798, 858, 0, 480, 489, 495, 525, 0,
980                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
981           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
982         /* 50 - 720(1440)x480i@120Hz 4:3 */
983         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
984                    801, 858, 0, 480, 488, 494, 525, 0,
985                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
986                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
987           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
988         /* 51 - 720(1440)x480i@120Hz 16:9 */
989         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
990                    801, 858, 0, 480, 488, 494, 525, 0,
991                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
992                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
993           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
994         /* 52 - 720x576@200Hz 4:3 */
995         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
996                    796, 864, 0, 576, 581, 586, 625, 0,
997                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
998           .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
999         /* 53 - 720x576@200Hz 16:9 */
1000         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1001                    796, 864, 0, 576, 581, 586, 625, 0,
1002                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1003           .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1004         /* 54 - 720(1440)x576i@200Hz 4:3 */
1005         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1006                    795, 864, 0, 576, 580, 586, 625, 0,
1007                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1008                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1009           .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1010         /* 55 - 720(1440)x576i@200Hz 16:9 */
1011         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1012                    795, 864, 0, 576, 580, 586, 625, 0,
1013                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1014                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1015           .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1016         /* 56 - 720x480@240Hz 4:3 */
1017         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1018                    798, 858, 0, 480, 489, 495, 525, 0,
1019                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1020           .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1021         /* 57 - 720x480@240Hz 16:9 */
1022         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1023                    798, 858, 0, 480, 489, 495, 525, 0,
1024                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1025           .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1026         /* 58 - 720(1440)x480i@240Hz 4:3 */
1027         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1028                    801, 858, 0, 480, 488, 494, 525, 0,
1029                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1030                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1031           .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1032         /* 59 - 720(1440)x480i@240Hz 16:9 */
1033         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1034                    801, 858, 0, 480, 488, 494, 525, 0,
1035                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1036                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1037           .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1038         /* 60 - 1280x720@24Hz 16:9 */
1039         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1040                    3080, 3300, 0, 720, 725, 730, 750, 0,
1041                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1042           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1043         /* 61 - 1280x720@25Hz 16:9 */
1044         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1045                    3740, 3960, 0, 720, 725, 730, 750, 0,
1046                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1047           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1048         /* 62 - 1280x720@30Hz 16:9 */
1049         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1050                    3080, 3300, 0, 720, 725, 730, 750, 0,
1051                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1052           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1053         /* 63 - 1920x1080@120Hz 16:9 */
1054         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1055                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1056                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1057           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1058         /* 64 - 1920x1080@100Hz 16:9 */
1059         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1060                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1061                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1062           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1063         /* 65 - 1280x720@24Hz 64:27 */
1064         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1065                    3080, 3300, 0, 720, 725, 730, 750, 0,
1066                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1067           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1068         /* 66 - 1280x720@25Hz 64:27 */
1069         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1070                    3740, 3960, 0, 720, 725, 730, 750, 0,
1071                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1072           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1073         /* 67 - 1280x720@30Hz 64:27 */
1074         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1075                    3080, 3300, 0, 720, 725, 730, 750, 0,
1076                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1077           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1078         /* 68 - 1280x720@50Hz 64:27 */
1079         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1080                    1760, 1980, 0, 720, 725, 730, 750, 0,
1081                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1082           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1083         /* 69 - 1280x720@60Hz 64:27 */
1084         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1085                    1430, 1650, 0, 720, 725, 730, 750, 0,
1086                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1087           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1088         /* 70 - 1280x720@100Hz 64:27 */
1089         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1090                    1760, 1980, 0, 720, 725, 730, 750, 0,
1091                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1092           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1093         /* 71 - 1280x720@120Hz 64:27 */
1094         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1095                    1430, 1650, 0, 720, 725, 730, 750, 0,
1096                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1097           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1098         /* 72 - 1920x1080@24Hz 64:27 */
1099         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1100                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1101                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1102           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1103         /* 73 - 1920x1080@25Hz 64:27 */
1104         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1105                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1106                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1107           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1108         /* 74 - 1920x1080@30Hz 64:27 */
1109         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1110                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1111                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1112           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1113         /* 75 - 1920x1080@50Hz 64:27 */
1114         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1115                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1116                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1117           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1118         /* 76 - 1920x1080@60Hz 64:27 */
1119         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1120                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1121                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1122           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1123         /* 77 - 1920x1080@100Hz 64:27 */
1124         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1125                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1126                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1127           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1128         /* 78 - 1920x1080@120Hz 64:27 */
1129         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1130                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1131                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1132           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1133         /* 79 - 1680x720@24Hz 64:27 */
1134         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1135                    3080, 3300, 0, 720, 725, 730, 750, 0,
1136                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1137           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1138         /* 80 - 1680x720@25Hz 64:27 */
1139         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1140                    2948, 3168, 0, 720, 725, 730, 750, 0,
1141                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1142           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1143         /* 81 - 1680x720@30Hz 64:27 */
1144         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1145                    2420, 2640, 0, 720, 725, 730, 750, 0,
1146                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1147           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1148         /* 82 - 1680x720@50Hz 64:27 */
1149         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1150                    1980, 2200, 0, 720, 725, 730, 750, 0,
1151                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1152           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1153         /* 83 - 1680x720@60Hz 64:27 */
1154         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1155                    1980, 2200, 0, 720, 725, 730, 750, 0,
1156                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1157           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1158         /* 84 - 1680x720@100Hz 64:27 */
1159         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1160                    1780, 2000, 0, 720, 725, 730, 825, 0,
1161                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1162           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1163         /* 85 - 1680x720@120Hz 64:27 */
1164         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1165                    1780, 2000, 0, 720, 725, 730, 825, 0,
1166                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1167           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1168         /* 86 - 2560x1080@24Hz 64:27 */
1169         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1170                    3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1171                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1172           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1173         /* 87 - 2560x1080@25Hz 64:27 */
1174         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1175                    3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1176                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1177           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1178         /* 88 - 2560x1080@30Hz 64:27 */
1179         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1180                    3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1181                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1182           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1183         /* 89 - 2560x1080@50Hz 64:27 */
1184         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1185                    3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1186                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1187           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1188         /* 90 - 2560x1080@60Hz 64:27 */
1189         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1190                    2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1191                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1192           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1193         /* 91 - 2560x1080@100Hz 64:27 */
1194         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1195                    2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1196                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1197           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1198         /* 92 - 2560x1080@120Hz 64:27 */
1199         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1200                    3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1201                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1202           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1203         /* 93 - 3840x2160@24Hz 16:9 */
1204         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1205                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1206                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1207           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1208         /* 94 - 3840x2160@25Hz 16:9 */
1209         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1210                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1211                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1212           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1213         /* 95 - 3840x2160@30Hz 16:9 */
1214         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1215                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1216                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1217           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1218         /* 96 - 3840x2160@50Hz 16:9 */
1219         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1220                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1221                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1222           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1223         /* 97 - 3840x2160@60Hz 16:9 */
1224         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1225                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1226                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1227           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1228         /* 98 - 4096x2160@24Hz 256:135 */
1229         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1230                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1231                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1232           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1233         /* 99 - 4096x2160@25Hz 256:135 */
1234         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1235                    5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1236                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1237           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1238         /* 100 - 4096x2160@30Hz 256:135 */
1239         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1240                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1241                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1242           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1243         /* 101 - 4096x2160@50Hz 256:135 */
1244         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1245                    5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1246                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1247           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1248         /* 102 - 4096x2160@60Hz 256:135 */
1249         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1250                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1251                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1252           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1253         /* 103 - 3840x2160@24Hz 64:27 */
1254         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1255                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1256                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1257           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1258         /* 104 - 3840x2160@25Hz 64:27 */
1259         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1260                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1261                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1262           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1263         /* 105 - 3840x2160@30Hz 64:27 */
1264         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1265                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1266                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1267           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1268         /* 106 - 3840x2160@50Hz 64:27 */
1269         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1270                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1271                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1272           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1273         /* 107 - 3840x2160@60Hz 64:27 */
1274         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1275                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1276                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1277           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1278         /* 108 - 1280x720@48Hz 16:9 */
1279         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1280                    2280, 2500, 0, 720, 725, 730, 750, 0,
1281                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1282           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1283         /* 109 - 1280x720@48Hz 64:27 */
1284         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1285                    2280, 2500, 0, 720, 725, 730, 750, 0,
1286                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1287           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1288         /* 110 - 1680x720@48Hz 64:27 */
1289         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490,
1290                    2530, 2750, 0, 720, 725, 730, 750, 0,
1291                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1292           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1293         /* 111 - 1920x1080@48Hz 16:9 */
1294         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1295                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1296                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1297           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1298         /* 112 - 1920x1080@48Hz 64:27 */
1299         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1300                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1301                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1302           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1303         /* 113 - 2560x1080@48Hz 64:27 */
1304         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558,
1305                    3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1306                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1307           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1308         /* 114 - 3840x2160@48Hz 16:9 */
1309         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1310                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1311                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1312           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1313         /* 115 - 4096x2160@48Hz 256:135 */
1314         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116,
1315                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1316                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1317           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1318         /* 116 - 3840x2160@48Hz 64:27 */
1319         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1320                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1321                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1322           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1323         /* 117 - 3840x2160@100Hz 16:9 */
1324         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1325                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1326                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1327           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1328         /* 118 - 3840x2160@120Hz 16:9 */
1329         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1330                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1331                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1332           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1333         /* 119 - 3840x2160@100Hz 64:27 */
1334         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1335                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1336                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1337           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1338         /* 120 - 3840x2160@120Hz 64:27 */
1339         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1340                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1341                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1342           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1343         /* 121 - 5120x2160@24Hz 64:27 */
1344         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116,
1345                    7204, 7500, 0, 2160, 2168, 2178, 2200, 0,
1346                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1347           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1348         /* 122 - 5120x2160@25Hz 64:27 */
1349         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816,
1350                    6904, 7200, 0, 2160, 2168, 2178, 2200, 0,
1351                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1352           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1353         /* 123 - 5120x2160@30Hz 64:27 */
1354         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784,
1355                    5872, 6000, 0, 2160, 2168, 2178, 2200, 0,
1356                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1357           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1358         /* 124 - 5120x2160@48Hz 64:27 */
1359         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866,
1360                    5954, 6250, 0, 2160, 2168, 2178, 2475, 0,
1361                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1362           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1363         /* 125 - 5120x2160@50Hz 64:27 */
1364         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216,
1365                    6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1366                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1367           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1368         /* 126 - 5120x2160@60Hz 64:27 */
1369         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284,
1370                    5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1371                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1372           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1373         /* 127 - 5120x2160@100Hz 64:27 */
1374         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216,
1375                    6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1376                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1377           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1378 };
1379
1380 /*
1381  * From CEA/CTA-861 spec.
1382  *
1383  * Do not access directly, instead always use cea_mode_for_vic().
1384  */
1385 static const struct drm_display_mode edid_cea_modes_193[] = {
1386         /* 193 - 5120x2160@120Hz 64:27 */
1387         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
1388                    5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1389                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1390           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1391         /* 194 - 7680x4320@24Hz 16:9 */
1392         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1393                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1394                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1395           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1396         /* 195 - 7680x4320@25Hz 16:9 */
1397         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1398                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1399                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1400           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1401         /* 196 - 7680x4320@30Hz 16:9 */
1402         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1403                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1404                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1405           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1406         /* 197 - 7680x4320@48Hz 16:9 */
1407         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1408                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1409                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1410           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1411         /* 198 - 7680x4320@50Hz 16:9 */
1412         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1413                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1414                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1415           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1416         /* 199 - 7680x4320@60Hz 16:9 */
1417         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1418                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1419                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1420           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1421         /* 200 - 7680x4320@100Hz 16:9 */
1422         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1423                    9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1424                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1425           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1426         /* 201 - 7680x4320@120Hz 16:9 */
1427         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1428                    8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1429                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1430           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1431         /* 202 - 7680x4320@24Hz 64:27 */
1432         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1433                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1434                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1435           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1436         /* 203 - 7680x4320@25Hz 64:27 */
1437         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1438                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1439                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1440           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1441         /* 204 - 7680x4320@30Hz 64:27 */
1442         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1443                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1444                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1445           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1446         /* 205 - 7680x4320@48Hz 64:27 */
1447         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1448                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1449                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1450           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1451         /* 206 - 7680x4320@50Hz 64:27 */
1452         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1453                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1454                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1455           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1456         /* 207 - 7680x4320@60Hz 64:27 */
1457         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1458                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1459                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1460           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1461         /* 208 - 7680x4320@100Hz 64:27 */
1462         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1463                    9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1464                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1465           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1466         /* 209 - 7680x4320@120Hz 64:27 */
1467         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1468                    8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1469                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1470           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1471         /* 210 - 10240x4320@24Hz 64:27 */
1472         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
1473                    11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1474                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1475           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1476         /* 211 - 10240x4320@25Hz 64:27 */
1477         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
1478                    12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1479                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1480           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1481         /* 212 - 10240x4320@30Hz 64:27 */
1482         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
1483                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1484                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1485           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1486         /* 213 - 10240x4320@48Hz 64:27 */
1487         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
1488                    11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1489                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1490           .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1491         /* 214 - 10240x4320@50Hz 64:27 */
1492         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
1493                    12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1494                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1495           .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1496         /* 215 - 10240x4320@60Hz 64:27 */
1497         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
1498                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1499                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1500           .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1501         /* 216 - 10240x4320@100Hz 64:27 */
1502         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
1503                    12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
1504                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1505           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1506         /* 217 - 10240x4320@120Hz 64:27 */
1507         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
1508                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1509                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1510           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1511         /* 218 - 4096x2160@100Hz 256:135 */
1512         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
1513                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1514                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1515           .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1516         /* 219 - 4096x2160@120Hz 256:135 */
1517         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
1518                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1519                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1520           .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1521 };
1522
1523 /*
1524  * HDMI 1.4 4k modes. Index using the VIC.
1525  */
1526 static const struct drm_display_mode edid_4k_modes[] = {
1527         /* 0 - dummy, VICs start at 1 */
1528         { },
1529         /* 1 - 3840x2160@30Hz */
1530         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1531                    3840, 4016, 4104, 4400, 0,
1532                    2160, 2168, 2178, 2250, 0,
1533                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1534           .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1535         /* 2 - 3840x2160@25Hz */
1536         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1537                    3840, 4896, 4984, 5280, 0,
1538                    2160, 2168, 2178, 2250, 0,
1539                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1540           .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1541         /* 3 - 3840x2160@24Hz */
1542         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1543                    3840, 5116, 5204, 5500, 0,
1544                    2160, 2168, 2178, 2250, 0,
1545                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1546           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1547         /* 4 - 4096x2160@24Hz (SMPTE) */
1548         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1549                    4096, 5116, 5204, 5500, 0,
1550                    2160, 2168, 2178, 2250, 0,
1551                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1552           .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1553 };
1554
1555 /*** DDC fetch and block validation ***/
1556
1557 static const u8 edid_header[] = {
1558         0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1559 };
1560
1561 /**
1562  * drm_edid_header_is_valid - sanity check the header of the base EDID block
1563  * @raw_edid: pointer to raw base EDID block
1564  *
1565  * Sanity check the header of the base EDID block.
1566  *
1567  * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1568  */
1569 int drm_edid_header_is_valid(const u8 *raw_edid)
1570 {
1571         int i, score = 0;
1572
1573         for (i = 0; i < sizeof(edid_header); i++)
1574                 if (raw_edid[i] == edid_header[i])
1575                         score++;
1576
1577         return score;
1578 }
1579 EXPORT_SYMBOL(drm_edid_header_is_valid);
1580
1581 static int edid_fixup __read_mostly = 6;
1582 module_param_named(edid_fixup, edid_fixup, int, 0400);
1583 MODULE_PARM_DESC(edid_fixup,
1584                  "Minimum number of valid EDID header bytes (0-8, default 6)");
1585
1586 static int validate_displayid(u8 *displayid, int length, int idx);
1587
1588 static int drm_edid_block_checksum(const u8 *raw_edid)
1589 {
1590         int i;
1591         u8 csum = 0, crc = 0;
1592
1593         for (i = 0; i < EDID_LENGTH - 1; i++)
1594                 csum += raw_edid[i];
1595
1596         crc = 0x100 - csum;
1597
1598         return crc;
1599 }
1600
1601 static bool drm_edid_block_checksum_diff(const u8 *raw_edid, u8 real_checksum)
1602 {
1603         if (raw_edid[EDID_LENGTH - 1] != real_checksum)
1604                 return true;
1605         else
1606                 return false;
1607 }
1608
1609 static bool drm_edid_is_zero(const u8 *in_edid, int length)
1610 {
1611         if (memchr_inv(in_edid, 0, length))
1612                 return false;
1613
1614         return true;
1615 }
1616
1617 /**
1618  * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1619  * @raw_edid: pointer to raw EDID block
1620  * @block: type of block to validate (0 for base, extension otherwise)
1621  * @print_bad_edid: if true, dump bad EDID blocks to the console
1622  * @edid_corrupt: if true, the header or checksum is invalid
1623  *
1624  * Validate a base or extension EDID block and optionally dump bad blocks to
1625  * the console.
1626  *
1627  * Return: True if the block is valid, false otherwise.
1628  */
1629 bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
1630                           bool *edid_corrupt)
1631 {
1632         u8 csum;
1633         struct edid *edid = (struct edid *)raw_edid;
1634
1635         if (WARN_ON(!raw_edid))
1636                 return false;
1637
1638         if (edid_fixup > 8 || edid_fixup < 0)
1639                 edid_fixup = 6;
1640
1641         if (block == 0) {
1642                 int score = drm_edid_header_is_valid(raw_edid);
1643                 if (score == 8) {
1644                         if (edid_corrupt)
1645                                 *edid_corrupt = false;
1646                 } else if (score >= edid_fixup) {
1647                         /* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6
1648                          * The corrupt flag needs to be set here otherwise, the
1649                          * fix-up code here will correct the problem, the
1650                          * checksum is correct and the test fails
1651                          */
1652                         if (edid_corrupt)
1653                                 *edid_corrupt = true;
1654                         DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
1655                         memcpy(raw_edid, edid_header, sizeof(edid_header));
1656                 } else {
1657                         if (edid_corrupt)
1658                                 *edid_corrupt = true;
1659                         goto bad;
1660                 }
1661         }
1662
1663         csum = drm_edid_block_checksum(raw_edid);
1664         if (drm_edid_block_checksum_diff(raw_edid, csum)) {
1665                 if (edid_corrupt)
1666                         *edid_corrupt = true;
1667
1668                 /* allow CEA to slide through, switches mangle this */
1669                 if (raw_edid[0] == CEA_EXT) {
1670                         DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum);
1671                         DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n");
1672                 } else {
1673                         if (print_bad_edid)
1674                                 DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
1675
1676                         goto bad;
1677                 }
1678         }
1679
1680         /* per-block-type checks */
1681         switch (raw_edid[0]) {
1682         case 0: /* base */
1683                 if (edid->version != 1) {
1684                         DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
1685                         goto bad;
1686                 }
1687
1688                 if (edid->revision > 4)
1689                         DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
1690                 break;
1691
1692         default:
1693                 break;
1694         }
1695
1696         return true;
1697
1698 bad:
1699         if (print_bad_edid) {
1700                 if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1701                         pr_notice("EDID block is all zeroes\n");
1702                 } else {
1703                         pr_notice("Raw EDID:\n");
1704                         print_hex_dump(KERN_NOTICE,
1705                                        " \t", DUMP_PREFIX_NONE, 16, 1,
1706                                        raw_edid, EDID_LENGTH, false);
1707                 }
1708         }
1709         return false;
1710 }
1711 EXPORT_SYMBOL(drm_edid_block_valid);
1712
1713 /**
1714  * drm_edid_is_valid - sanity check EDID data
1715  * @edid: EDID data
1716  *
1717  * Sanity-check an entire EDID record (including extensions)
1718  *
1719  * Return: True if the EDID data is valid, false otherwise.
1720  */
1721 bool drm_edid_is_valid(struct edid *edid)
1722 {
1723         int i;
1724         u8 *raw = (u8 *)edid;
1725
1726         if (!edid)
1727                 return false;
1728
1729         for (i = 0; i <= edid->extensions; i++)
1730                 if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
1731                         return false;
1732
1733         return true;
1734 }
1735 EXPORT_SYMBOL(drm_edid_is_valid);
1736
1737 #define DDC_SEGMENT_ADDR 0x30
1738 /**
1739  * drm_do_probe_ddc_edid() - get EDID information via I2C
1740  * @data: I2C device adapter
1741  * @buf: EDID data buffer to be filled
1742  * @block: 128 byte EDID block to start fetching from
1743  * @len: EDID data buffer length to fetch
1744  *
1745  * Try to fetch EDID information by calling I2C driver functions.
1746  *
1747  * Return: 0 on success or -1 on failure.
1748  */
1749 static int
1750 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1751 {
1752         struct i2c_adapter *adapter = data;
1753         unsigned char start = block * EDID_LENGTH;
1754         unsigned char segment = block >> 1;
1755         unsigned char xfers = segment ? 3 : 2;
1756         int ret, retries = 5;
1757
1758         /*
1759          * The core I2C driver will automatically retry the transfer if the
1760          * adapter reports EAGAIN. However, we find that bit-banging transfers
1761          * are susceptible to errors under a heavily loaded machine and
1762          * generate spurious NAKs and timeouts. Retrying the transfer
1763          * of the individual block a few times seems to overcome this.
1764          */
1765         do {
1766                 struct i2c_msg msgs[] = {
1767                         {
1768                                 .addr   = DDC_SEGMENT_ADDR,
1769                                 .flags  = 0,
1770                                 .len    = 1,
1771                                 .buf    = &segment,
1772                         }, {
1773                                 .addr   = DDC_ADDR,
1774                                 .flags  = 0,
1775                                 .len    = 1,
1776                                 .buf    = &start,
1777                         }, {
1778                                 .addr   = DDC_ADDR,
1779                                 .flags  = I2C_M_RD,
1780                                 .len    = len,
1781                                 .buf    = buf,
1782                         }
1783                 };
1784
1785                 /*
1786                  * Avoid sending the segment addr to not upset non-compliant
1787                  * DDC monitors.
1788                  */
1789                 ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
1790
1791                 if (ret == -ENXIO) {
1792                         DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1793                                         adapter->name);
1794                         break;
1795                 }
1796         } while (ret != xfers && --retries);
1797
1798         return ret == xfers ? 0 : -1;
1799 }
1800
1801 static void connector_bad_edid(struct drm_connector *connector,
1802                                u8 *edid, int num_blocks)
1803 {
1804         int i;
1805         u8 num_of_ext = edid[0x7e];
1806
1807         /* Calculate real checksum for the last edid extension block data */
1808         connector->real_edid_checksum =
1809                 drm_edid_block_checksum(edid + num_of_ext * EDID_LENGTH);
1810
1811         if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
1812                 return;
1813
1814         dev_warn(connector->dev->dev,
1815                  "%s: EDID is invalid:\n",
1816                  connector->name);
1817         for (i = 0; i < num_blocks; i++) {
1818                 u8 *block = edid + i * EDID_LENGTH;
1819                 char prefix[20];
1820
1821                 if (drm_edid_is_zero(block, EDID_LENGTH))
1822                         sprintf(prefix, "\t[%02x] ZERO ", i);
1823                 else if (!drm_edid_block_valid(block, i, false, NULL))
1824                         sprintf(prefix, "\t[%02x] BAD  ", i);
1825                 else
1826                         sprintf(prefix, "\t[%02x] GOOD ", i);
1827
1828                 print_hex_dump(KERN_WARNING,
1829                                prefix, DUMP_PREFIX_NONE, 16, 1,
1830                                block, EDID_LENGTH, false);
1831         }
1832 }
1833
1834 /* Get override or firmware EDID */
1835 static struct edid *drm_get_override_edid(struct drm_connector *connector)
1836 {
1837         struct edid *override = NULL;
1838
1839         if (connector->override_edid)
1840                 override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1841
1842         if (!override)
1843                 override = drm_load_edid_firmware(connector);
1844
1845         return IS_ERR(override) ? NULL : override;
1846 }
1847
1848 /**
1849  * drm_add_override_edid_modes - add modes from override/firmware EDID
1850  * @connector: connector we're probing
1851  *
1852  * Add modes from the override/firmware EDID, if available. Only to be used from
1853  * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1854  * failed during drm_get_edid() and caused the override/firmware EDID to be
1855  * skipped.
1856  *
1857  * Return: The number of modes added or 0 if we couldn't find any.
1858  */
1859 int drm_add_override_edid_modes(struct drm_connector *connector)
1860 {
1861         struct edid *override;
1862         int num_modes = 0;
1863
1864         override = drm_get_override_edid(connector);
1865         if (override) {
1866                 drm_connector_update_edid_property(connector, override);
1867                 num_modes = drm_add_edid_modes(connector, override);
1868                 kfree(override);
1869
1870                 DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1871                               connector->base.id, connector->name, num_modes);
1872         }
1873
1874         return num_modes;
1875 }
1876 EXPORT_SYMBOL(drm_add_override_edid_modes);
1877
1878 /**
1879  * drm_do_get_edid - get EDID data using a custom EDID block read function
1880  * @connector: connector we're probing
1881  * @get_edid_block: EDID block read function
1882  * @data: private data passed to the block read function
1883  *
1884  * When the I2C adapter connected to the DDC bus is hidden behind a device that
1885  * exposes a different interface to read EDID blocks this function can be used
1886  * to get EDID data using a custom block read function.
1887  *
1888  * As in the general case the DDC bus is accessible by the kernel at the I2C
1889  * level, drivers must make all reasonable efforts to expose it as an I2C
1890  * adapter and use drm_get_edid() instead of abusing this function.
1891  *
1892  * The EDID may be overridden using debugfs override_edid or firmare EDID
1893  * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1894  * order. Having either of them bypasses actual EDID reads.
1895  *
1896  * Return: Pointer to valid EDID or NULL if we couldn't find any.
1897  */
1898 struct edid *drm_do_get_edid(struct drm_connector *connector,
1899         int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1900                               size_t len),
1901         void *data)
1902 {
1903         int i, j = 0, valid_extensions = 0;
1904         u8 *edid, *new;
1905         struct edid *override;
1906
1907         override = drm_get_override_edid(connector);
1908         if (override)
1909                 return override;
1910
1911         if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1912                 return NULL;
1913
1914         /* base block fetch */
1915         for (i = 0; i < 4; i++) {
1916                 if (get_edid_block(data, edid, 0, EDID_LENGTH))
1917                         goto out;
1918                 if (drm_edid_block_valid(edid, 0, false,
1919                                          &connector->edid_corrupt))
1920                         break;
1921                 if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1922                         connector->null_edid_counter++;
1923                         goto carp;
1924                 }
1925         }
1926         if (i == 4)
1927                 goto carp;
1928
1929         /* if there's no extensions, we're done */
1930         valid_extensions = edid[0x7e];
1931         if (valid_extensions == 0)
1932                 return (struct edid *)edid;
1933
1934         new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1935         if (!new)
1936                 goto out;
1937         edid = new;
1938
1939         for (j = 1; j <= edid[0x7e]; j++) {
1940                 u8 *block = edid + j * EDID_LENGTH;
1941
1942                 for (i = 0; i < 4; i++) {
1943                         if (get_edid_block(data, block, j, EDID_LENGTH))
1944                                 goto out;
1945                         if (drm_edid_block_valid(block, j, false, NULL))
1946                                 break;
1947                 }
1948
1949                 if (i == 4)
1950                         valid_extensions--;
1951         }
1952
1953         if (valid_extensions != edid[0x7e]) {
1954                 u8 *base;
1955
1956                 connector_bad_edid(connector, edid, edid[0x7e] + 1);
1957
1958                 edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
1959                 edid[0x7e] = valid_extensions;
1960
1961                 new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
1962                                     GFP_KERNEL);
1963                 if (!new)
1964                         goto out;
1965
1966                 base = new;
1967                 for (i = 0; i <= edid[0x7e]; i++) {
1968                         u8 *block = edid + i * EDID_LENGTH;
1969
1970                         if (!drm_edid_block_valid(block, i, false, NULL))
1971                                 continue;
1972
1973                         memcpy(base, block, EDID_LENGTH);
1974                         base += EDID_LENGTH;
1975                 }
1976
1977                 kfree(edid);
1978                 edid = new;
1979         }
1980
1981         return (struct edid *)edid;
1982
1983 carp:
1984         connector_bad_edid(connector, edid, 1);
1985 out:
1986         kfree(edid);
1987         return NULL;
1988 }
1989 EXPORT_SYMBOL_GPL(drm_do_get_edid);
1990
1991 /**
1992  * drm_probe_ddc() - probe DDC presence
1993  * @adapter: I2C adapter to probe
1994  *
1995  * Return: True on success, false on failure.
1996  */
1997 bool
1998 drm_probe_ddc(struct i2c_adapter *adapter)
1999 {
2000         unsigned char out;
2001
2002         return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2003 }
2004 EXPORT_SYMBOL(drm_probe_ddc);
2005
2006 /**
2007  * drm_get_edid - get EDID data, if available
2008  * @connector: connector we're probing
2009  * @adapter: I2C adapter to use for DDC
2010  *
2011  * Poke the given I2C channel to grab EDID data if possible.  If found,
2012  * attach it to the connector.
2013  *
2014  * Return: Pointer to valid EDID or NULL if we couldn't find any.
2015  */
2016 struct edid *drm_get_edid(struct drm_connector *connector,
2017                           struct i2c_adapter *adapter)
2018 {
2019         if (connector->force == DRM_FORCE_OFF)
2020                 return NULL;
2021
2022         if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2023                 return NULL;
2024
2025         return drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2026 }
2027 EXPORT_SYMBOL(drm_get_edid);
2028
2029 /**
2030  * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2031  * @connector: connector we're probing
2032  * @adapter: I2C adapter to use for DDC
2033  *
2034  * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2035  * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2036  * switch DDC to the GPU which is retrieving EDID.
2037  *
2038  * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2039  */
2040 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2041                                      struct i2c_adapter *adapter)
2042 {
2043         struct pci_dev *pdev = connector->dev->pdev;
2044         struct edid *edid;
2045
2046         vga_switcheroo_lock_ddc(pdev);
2047         edid = drm_get_edid(connector, adapter);
2048         vga_switcheroo_unlock_ddc(pdev);
2049
2050         return edid;
2051 }
2052 EXPORT_SYMBOL(drm_get_edid_switcheroo);
2053
2054 /**
2055  * drm_edid_duplicate - duplicate an EDID and the extensions
2056  * @edid: EDID to duplicate
2057  *
2058  * Return: Pointer to duplicated EDID or NULL on allocation failure.
2059  */
2060 struct edid *drm_edid_duplicate(const struct edid *edid)
2061 {
2062         return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2063 }
2064 EXPORT_SYMBOL(drm_edid_duplicate);
2065
2066 /*** EDID parsing ***/
2067
2068 /**
2069  * edid_vendor - match a string against EDID's obfuscated vendor field
2070  * @edid: EDID to match
2071  * @vendor: vendor string
2072  *
2073  * Returns true if @vendor is in @edid, false otherwise
2074  */
2075 static bool edid_vendor(const struct edid *edid, const char *vendor)
2076 {
2077         char edid_vendor[3];
2078
2079         edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
2080         edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
2081                           ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
2082         edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
2083
2084         return !strncmp(edid_vendor, vendor, 3);
2085 }
2086
2087 /**
2088  * edid_get_quirks - return quirk flags for a given EDID
2089  * @edid: EDID to process
2090  *
2091  * This tells subsequent routines what fixes they need to apply.
2092  */
2093 static u32 edid_get_quirks(const struct edid *edid)
2094 {
2095         const struct edid_quirk *quirk;
2096         int i;
2097
2098         for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2099                 quirk = &edid_quirk_list[i];
2100
2101                 if (edid_vendor(edid, quirk->vendor) &&
2102                     (EDID_PRODUCT_ID(edid) == quirk->product_id))
2103                         return quirk->quirks;
2104         }
2105
2106         return 0;
2107 }
2108
2109 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2110 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2111
2112 /**
2113  * edid_fixup_preferred - set preferred modes based on quirk list
2114  * @connector: has mode list to fix up
2115  * @quirks: quirks list
2116  *
2117  * Walk the mode list for @connector, clearing the preferred status
2118  * on existing modes and setting it anew for the right mode ala @quirks.
2119  */
2120 static void edid_fixup_preferred(struct drm_connector *connector,
2121                                  u32 quirks)
2122 {
2123         struct drm_display_mode *t, *cur_mode, *preferred_mode;
2124         int target_refresh = 0;
2125         int cur_vrefresh, preferred_vrefresh;
2126
2127         if (list_empty(&connector->probed_modes))
2128                 return;
2129
2130         if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2131                 target_refresh = 60;
2132         if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2133                 target_refresh = 75;
2134
2135         preferred_mode = list_first_entry(&connector->probed_modes,
2136                                           struct drm_display_mode, head);
2137
2138         list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2139                 cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2140
2141                 if (cur_mode == preferred_mode)
2142                         continue;
2143
2144                 /* Largest mode is preferred */
2145                 if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2146                         preferred_mode = cur_mode;
2147
2148                 cur_vrefresh = cur_mode->vrefresh ?
2149                         cur_mode->vrefresh : drm_mode_vrefresh(cur_mode);
2150                 preferred_vrefresh = preferred_mode->vrefresh ?
2151                         preferred_mode->vrefresh : drm_mode_vrefresh(preferred_mode);
2152                 /* At a given size, try to get closest to target refresh */
2153                 if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2154                     MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2155                     MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2156                         preferred_mode = cur_mode;
2157                 }
2158         }
2159
2160         preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2161 }
2162
2163 static bool
2164 mode_is_rb(const struct drm_display_mode *mode)
2165 {
2166         return (mode->htotal - mode->hdisplay == 160) &&
2167                (mode->hsync_end - mode->hdisplay == 80) &&
2168                (mode->hsync_end - mode->hsync_start == 32) &&
2169                (mode->vsync_start - mode->vdisplay == 3);
2170 }
2171
2172 /*
2173  * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2174  * @dev: Device to duplicate against
2175  * @hsize: Mode width
2176  * @vsize: Mode height
2177  * @fresh: Mode refresh rate
2178  * @rb: Mode reduced-blanking-ness
2179  *
2180  * Walk the DMT mode list looking for a match for the given parameters.
2181  *
2182  * Return: A newly allocated copy of the mode, or NULL if not found.
2183  */
2184 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2185                                            int hsize, int vsize, int fresh,
2186                                            bool rb)
2187 {
2188         int i;
2189
2190         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2191                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2192                 if (hsize != ptr->hdisplay)
2193                         continue;
2194                 if (vsize != ptr->vdisplay)
2195                         continue;
2196                 if (fresh != drm_mode_vrefresh(ptr))
2197                         continue;
2198                 if (rb != mode_is_rb(ptr))
2199                         continue;
2200
2201                 return drm_mode_duplicate(dev, ptr);
2202         }
2203
2204         return NULL;
2205 }
2206 EXPORT_SYMBOL(drm_mode_find_dmt);
2207
2208 static bool is_display_descriptor(const u8 d[18], u8 tag)
2209 {
2210         return d[0] == 0x00 && d[1] == 0x00 &&
2211                 d[2] == 0x00 && d[3] == tag;
2212 }
2213
2214 static bool is_detailed_timing_descriptor(const u8 d[18])
2215 {
2216         return d[0] != 0x00 || d[1] != 0x00;
2217 }
2218
2219 typedef void detailed_cb(struct detailed_timing *timing, void *closure);
2220
2221 static void
2222 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2223 {
2224         int i, n;
2225         u8 d = ext[0x02];
2226         u8 *det_base = ext + d;
2227
2228         if (d < 4 || d > 127)
2229                 return;
2230
2231         n = (127 - d) / 18;
2232         for (i = 0; i < n; i++)
2233                 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2234 }
2235
2236 static void
2237 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2238 {
2239         unsigned int i, n = min((int)ext[0x02], 6);
2240         u8 *det_base = ext + 5;
2241
2242         if (ext[0x01] != 1)
2243                 return; /* unknown version */
2244
2245         for (i = 0; i < n; i++)
2246                 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2247 }
2248
2249 static void
2250 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
2251 {
2252         int i;
2253         struct edid *edid = (struct edid *)raw_edid;
2254
2255         if (edid == NULL)
2256                 return;
2257
2258         for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2259                 cb(&(edid->detailed_timings[i]), closure);
2260
2261         for (i = 1; i <= raw_edid[0x7e]; i++) {
2262                 u8 *ext = raw_edid + (i * EDID_LENGTH);
2263                 switch (*ext) {
2264                 case CEA_EXT:
2265                         cea_for_each_detailed_block(ext, cb, closure);
2266                         break;
2267                 case VTB_EXT:
2268                         vtb_for_each_detailed_block(ext, cb, closure);
2269                         break;
2270                 default:
2271                         break;
2272                 }
2273         }
2274 }
2275
2276 static void
2277 is_rb(struct detailed_timing *t, void *data)
2278 {
2279         u8 *r = (u8 *)t;
2280
2281         if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2282                 return;
2283
2284         if (r[15] & 0x10)
2285                 *(bool *)data = true;
2286 }
2287
2288 /* EDID 1.4 defines this explicitly.  For EDID 1.3, we guess, badly. */
2289 static bool
2290 drm_monitor_supports_rb(struct edid *edid)
2291 {
2292         if (edid->revision >= 4) {
2293                 bool ret = false;
2294                 drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2295                 return ret;
2296         }
2297
2298         return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2299 }
2300
2301 static void
2302 find_gtf2(struct detailed_timing *t, void *data)
2303 {
2304         u8 *r = (u8 *)t;
2305
2306         if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2307                 return;
2308
2309         if (r[10] == 0x02)
2310                 *(u8 **)data = r;
2311 }
2312
2313 /* Secondary GTF curve kicks in above some break frequency */
2314 static int
2315 drm_gtf2_hbreak(struct edid *edid)
2316 {
2317         u8 *r = NULL;
2318         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2319         return r ? (r[12] * 2) : 0;
2320 }
2321
2322 static int
2323 drm_gtf2_2c(struct edid *edid)
2324 {
2325         u8 *r = NULL;
2326         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2327         return r ? r[13] : 0;
2328 }
2329
2330 static int
2331 drm_gtf2_m(struct edid *edid)
2332 {
2333         u8 *r = NULL;
2334         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2335         return r ? (r[15] << 8) + r[14] : 0;
2336 }
2337
2338 static int
2339 drm_gtf2_k(struct edid *edid)
2340 {
2341         u8 *r = NULL;
2342         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2343         return r ? r[16] : 0;
2344 }
2345
2346 static int
2347 drm_gtf2_2j(struct edid *edid)
2348 {
2349         u8 *r = NULL;
2350         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2351         return r ? r[17] : 0;
2352 }
2353
2354 /**
2355  * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2356  * @edid: EDID block to scan
2357  */
2358 static int standard_timing_level(struct edid *edid)
2359 {
2360         if (edid->revision >= 2) {
2361                 if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2362                         return LEVEL_CVT;
2363                 if (drm_gtf2_hbreak(edid))
2364                         return LEVEL_GTF2;
2365                 if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2366                         return LEVEL_GTF;
2367         }
2368         return LEVEL_DMT;
2369 }
2370
2371 /*
2372  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
2373  * monitors fill with ascii space (0x20) instead.
2374  */
2375 static int
2376 bad_std_timing(u8 a, u8 b)
2377 {
2378         return (a == 0x00 && b == 0x00) ||
2379                (a == 0x01 && b == 0x01) ||
2380                (a == 0x20 && b == 0x20);
2381 }
2382
2383 /**
2384  * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2385  * @connector: connector of for the EDID block
2386  * @edid: EDID block to scan
2387  * @t: standard timing params
2388  *
2389  * Take the standard timing params (in this case width, aspect, and refresh)
2390  * and convert them into a real mode using CVT/GTF/DMT.
2391  */
2392 static struct drm_display_mode *
2393 drm_mode_std(struct drm_connector *connector, struct edid *edid,
2394              struct std_timing *t)
2395 {
2396         struct drm_device *dev = connector->dev;
2397         struct drm_display_mode *m, *mode = NULL;
2398         int hsize, vsize;
2399         int vrefresh_rate;
2400         unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2401                 >> EDID_TIMING_ASPECT_SHIFT;
2402         unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2403                 >> EDID_TIMING_VFREQ_SHIFT;
2404         int timing_level = standard_timing_level(edid);
2405
2406         if (bad_std_timing(t->hsize, t->vfreq_aspect))
2407                 return NULL;
2408
2409         /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2410         hsize = t->hsize * 8 + 248;
2411         /* vrefresh_rate = vfreq + 60 */
2412         vrefresh_rate = vfreq + 60;
2413         /* the vdisplay is calculated based on the aspect ratio */
2414         if (aspect_ratio == 0) {
2415                 if (edid->revision < 3)
2416                         vsize = hsize;
2417                 else
2418                         vsize = (hsize * 10) / 16;
2419         } else if (aspect_ratio == 1)
2420                 vsize = (hsize * 3) / 4;
2421         else if (aspect_ratio == 2)
2422                 vsize = (hsize * 4) / 5;
2423         else
2424                 vsize = (hsize * 9) / 16;
2425
2426         /* HDTV hack, part 1 */
2427         if (vrefresh_rate == 60 &&
2428             ((hsize == 1360 && vsize == 765) ||
2429              (hsize == 1368 && vsize == 769))) {
2430                 hsize = 1366;
2431                 vsize = 768;
2432         }
2433
2434         /*
2435          * If this connector already has a mode for this size and refresh
2436          * rate (because it came from detailed or CVT info), use that
2437          * instead.  This way we don't have to guess at interlace or
2438          * reduced blanking.
2439          */
2440         list_for_each_entry(m, &connector->probed_modes, head)
2441                 if (m->hdisplay == hsize && m->vdisplay == vsize &&
2442                     drm_mode_vrefresh(m) == vrefresh_rate)
2443                         return NULL;
2444
2445         /* HDTV hack, part 2 */
2446         if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2447                 mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2448                                     false);
2449                 if (!mode)
2450                         return NULL;
2451                 mode->hdisplay = 1366;
2452                 mode->hsync_start = mode->hsync_start - 1;
2453                 mode->hsync_end = mode->hsync_end - 1;
2454                 return mode;
2455         }
2456
2457         /* check whether it can be found in default mode table */
2458         if (drm_monitor_supports_rb(edid)) {
2459                 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2460                                          true);
2461                 if (mode)
2462                         return mode;
2463         }
2464         mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2465         if (mode)
2466                 return mode;
2467
2468         /* okay, generate it */
2469         switch (timing_level) {
2470         case LEVEL_DMT:
2471                 break;
2472         case LEVEL_GTF:
2473                 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2474                 break;
2475         case LEVEL_GTF2:
2476                 /*
2477                  * This is potentially wrong if there's ever a monitor with
2478                  * more than one ranges section, each claiming a different
2479                  * secondary GTF curve.  Please don't do that.
2480                  */
2481                 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2482                 if (!mode)
2483                         return NULL;
2484                 if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2485                         drm_mode_destroy(dev, mode);
2486                         mode = drm_gtf_mode_complex(dev, hsize, vsize,
2487                                                     vrefresh_rate, 0, 0,
2488                                                     drm_gtf2_m(edid),
2489                                                     drm_gtf2_2c(edid),
2490                                                     drm_gtf2_k(edid),
2491                                                     drm_gtf2_2j(edid));
2492                 }
2493                 break;
2494         case LEVEL_CVT:
2495                 mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2496                                     false);
2497                 break;
2498         }
2499         return mode;
2500 }
2501
2502 /*
2503  * EDID is delightfully ambiguous about how interlaced modes are to be
2504  * encoded.  Our internal representation is of frame height, but some
2505  * HDTV detailed timings are encoded as field height.
2506  *
2507  * The format list here is from CEA, in frame size.  Technically we
2508  * should be checking refresh rate too.  Whatever.
2509  */
2510 static void
2511 drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2512                             struct detailed_pixel_timing *pt)
2513 {
2514         int i;
2515         static const struct {
2516                 int w, h;
2517         } cea_interlaced[] = {
2518                 { 1920, 1080 },
2519                 {  720,  480 },
2520                 { 1440,  480 },
2521                 { 2880,  480 },
2522                 {  720,  576 },
2523                 { 1440,  576 },
2524                 { 2880,  576 },
2525         };
2526
2527         if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2528                 return;
2529
2530         for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2531                 if ((mode->hdisplay == cea_interlaced[i].w) &&
2532                     (mode->vdisplay == cea_interlaced[i].h / 2)) {
2533                         mode->vdisplay *= 2;
2534                         mode->vsync_start *= 2;
2535                         mode->vsync_end *= 2;
2536                         mode->vtotal *= 2;
2537                         mode->vtotal |= 1;
2538                 }
2539         }
2540
2541         mode->flags |= DRM_MODE_FLAG_INTERLACE;
2542 }
2543
2544 /**
2545  * drm_mode_detailed - create a new mode from an EDID detailed timing section
2546  * @dev: DRM device (needed to create new mode)
2547  * @edid: EDID block
2548  * @timing: EDID detailed timing info
2549  * @quirks: quirks to apply
2550  *
2551  * An EDID detailed timing block contains enough info for us to create and
2552  * return a new struct drm_display_mode.
2553  */
2554 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2555                                                   struct edid *edid,
2556                                                   struct detailed_timing *timing,
2557                                                   u32 quirks)
2558 {
2559         struct drm_display_mode *mode;
2560         struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2561         unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2562         unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2563         unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2564         unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2565         unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2566         unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2567         unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2568         unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2569
2570         /* ignore tiny modes */
2571         if (hactive < 64 || vactive < 64)
2572                 return NULL;
2573
2574         if (pt->misc & DRM_EDID_PT_STEREO) {
2575                 DRM_DEBUG_KMS("stereo mode not supported\n");
2576                 return NULL;
2577         }
2578         if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2579                 DRM_DEBUG_KMS("composite sync not supported\n");
2580         }
2581
2582         /* it is incorrect if hsync/vsync width is zero */
2583         if (!hsync_pulse_width || !vsync_pulse_width) {
2584                 DRM_DEBUG_KMS("Incorrect Detailed timing. "
2585                                 "Wrong Hsync/Vsync pulse width\n");
2586                 return NULL;
2587         }
2588
2589         if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2590                 mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2591                 if (!mode)
2592                         return NULL;
2593
2594                 goto set_size;
2595         }
2596
2597         mode = drm_mode_create(dev);
2598         if (!mode)
2599                 return NULL;
2600
2601         if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2602                 timing->pixel_clock = cpu_to_le16(1088);
2603
2604         mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2605
2606         mode->hdisplay = hactive;
2607         mode->hsync_start = mode->hdisplay + hsync_offset;
2608         mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2609         mode->htotal = mode->hdisplay + hblank;
2610
2611         mode->vdisplay = vactive;
2612         mode->vsync_start = mode->vdisplay + vsync_offset;
2613         mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2614         mode->vtotal = mode->vdisplay + vblank;
2615
2616         /* Some EDIDs have bogus h/vtotal values */
2617         if (mode->hsync_end > mode->htotal)
2618                 mode->htotal = mode->hsync_end + 1;
2619         if (mode->vsync_end > mode->vtotal)
2620                 mode->vtotal = mode->vsync_end + 1;
2621
2622         drm_mode_do_interlace_quirk(mode, pt);
2623
2624         if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2625                 pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
2626         }
2627
2628         mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2629                 DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2630         mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2631                 DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2632
2633 set_size:
2634         mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2635         mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2636
2637         if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2638                 mode->width_mm *= 10;
2639                 mode->height_mm *= 10;
2640         }
2641
2642         if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2643                 mode->width_mm = edid->width_cm * 10;
2644                 mode->height_mm = edid->height_cm * 10;
2645         }
2646
2647         mode->type = DRM_MODE_TYPE_DRIVER;
2648         mode->vrefresh = drm_mode_vrefresh(mode);
2649         drm_mode_set_name(mode);
2650
2651         return mode;
2652 }
2653
2654 static bool
2655 mode_in_hsync_range(const struct drm_display_mode *mode,
2656                     struct edid *edid, u8 *t)
2657 {
2658         int hsync, hmin, hmax;
2659
2660         hmin = t[7];
2661         if (edid->revision >= 4)
2662             hmin += ((t[4] & 0x04) ? 255 : 0);
2663         hmax = t[8];
2664         if (edid->revision >= 4)
2665             hmax += ((t[4] & 0x08) ? 255 : 0);
2666         hsync = drm_mode_hsync(mode);
2667
2668         return (hsync <= hmax && hsync >= hmin);
2669 }
2670
2671 static bool
2672 mode_in_vsync_range(const struct drm_display_mode *mode,
2673                     struct edid *edid, u8 *t)
2674 {
2675         int vsync, vmin, vmax;
2676
2677         vmin = t[5];
2678         if (edid->revision >= 4)
2679             vmin += ((t[4] & 0x01) ? 255 : 0);
2680         vmax = t[6];
2681         if (edid->revision >= 4)
2682             vmax += ((t[4] & 0x02) ? 255 : 0);
2683         vsync = drm_mode_vrefresh(mode);
2684
2685         return (vsync <= vmax && vsync >= vmin);
2686 }
2687
2688 static u32
2689 range_pixel_clock(struct edid *edid, u8 *t)
2690 {
2691         /* unspecified */
2692         if (t[9] == 0 || t[9] == 255)
2693                 return 0;
2694
2695         /* 1.4 with CVT support gives us real precision, yay */
2696         if (edid->revision >= 4 && t[10] == 0x04)
2697                 return (t[9] * 10000) - ((t[12] >> 2) * 250);
2698
2699         /* 1.3 is pathetic, so fuzz up a bit */
2700         return t[9] * 10000 + 5001;
2701 }
2702
2703 static bool
2704 mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2705               struct detailed_timing *timing)
2706 {
2707         u32 max_clock;
2708         u8 *t = (u8 *)timing;
2709
2710         if (!mode_in_hsync_range(mode, edid, t))
2711                 return false;
2712
2713         if (!mode_in_vsync_range(mode, edid, t))
2714                 return false;
2715
2716         if ((max_clock = range_pixel_clock(edid, t)))
2717                 if (mode->clock > max_clock)
2718                         return false;
2719
2720         /* 1.4 max horizontal check */
2721         if (edid->revision >= 4 && t[10] == 0x04)
2722                 if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2723                         return false;
2724
2725         if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2726                 return false;
2727
2728         return true;
2729 }
2730
2731 static bool valid_inferred_mode(const struct drm_connector *connector,
2732                                 const struct drm_display_mode *mode)
2733 {
2734         const struct drm_display_mode *m;
2735         bool ok = false;
2736
2737         list_for_each_entry(m, &connector->probed_modes, head) {
2738                 if (mode->hdisplay == m->hdisplay &&
2739                     mode->vdisplay == m->vdisplay &&
2740                     drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2741                         return false; /* duplicated */
2742                 if (mode->hdisplay <= m->hdisplay &&
2743                     mode->vdisplay <= m->vdisplay)
2744                         ok = true;
2745         }
2746         return ok;
2747 }
2748
2749 static int
2750 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2751                         struct detailed_timing *timing)
2752 {
2753         int i, modes = 0;
2754         struct drm_display_mode *newmode;
2755         struct drm_device *dev = connector->dev;
2756
2757         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2758                 if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2759                     valid_inferred_mode(connector, drm_dmt_modes + i)) {
2760                         newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2761                         if (newmode) {
2762                                 drm_mode_probed_add(connector, newmode);
2763                                 modes++;
2764                         }
2765                 }
2766         }
2767
2768         return modes;
2769 }
2770
2771 /* fix up 1366x768 mode from 1368x768;
2772  * GFT/CVT can't express 1366 width which isn't dividable by 8
2773  */
2774 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2775 {
2776         if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2777                 mode->hdisplay = 1366;
2778                 mode->hsync_start--;
2779                 mode->hsync_end--;
2780                 drm_mode_set_name(mode);
2781         }
2782 }
2783
2784 static int
2785 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2786                         struct detailed_timing *timing)
2787 {
2788         int i, modes = 0;
2789         struct drm_display_mode *newmode;
2790         struct drm_device *dev = connector->dev;
2791
2792         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2793                 const struct minimode *m = &extra_modes[i];
2794                 newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2795                 if (!newmode)
2796                         return modes;
2797
2798                 drm_mode_fixup_1366x768(newmode);
2799                 if (!mode_in_range(newmode, edid, timing) ||
2800                     !valid_inferred_mode(connector, newmode)) {
2801                         drm_mode_destroy(dev, newmode);
2802                         continue;
2803                 }
2804
2805                 drm_mode_probed_add(connector, newmode);
2806                 modes++;
2807         }
2808
2809         return modes;
2810 }
2811
2812 static int
2813 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2814                         struct detailed_timing *timing)
2815 {
2816         int i, modes = 0;
2817         struct drm_display_mode *newmode;
2818         struct drm_device *dev = connector->dev;
2819         bool rb = drm_monitor_supports_rb(edid);
2820
2821         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2822                 const struct minimode *m = &extra_modes[i];
2823                 newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2824                 if (!newmode)
2825                         return modes;
2826
2827                 drm_mode_fixup_1366x768(newmode);
2828                 if (!mode_in_range(newmode, edid, timing) ||
2829                     !valid_inferred_mode(connector, newmode)) {
2830                         drm_mode_destroy(dev, newmode);
2831                         continue;
2832                 }
2833
2834                 drm_mode_probed_add(connector, newmode);
2835                 modes++;
2836         }
2837
2838         return modes;
2839 }
2840
2841 static void
2842 do_inferred_modes(struct detailed_timing *timing, void *c)
2843 {
2844         struct detailed_mode_closure *closure = c;
2845         struct detailed_non_pixel *data = &timing->data.other_data;
2846         struct detailed_data_monitor_range *range = &data->data.range;
2847
2848         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
2849                 return;
2850
2851         closure->modes += drm_dmt_modes_for_range(closure->connector,
2852                                                   closure->edid,
2853                                                   timing);
2854
2855         if (!version_greater(closure->edid, 1, 1))
2856                 return; /* GTF not defined yet */
2857
2858         switch (range->flags) {
2859         case 0x02: /* secondary gtf, XXX could do more */
2860         case 0x00: /* default gtf */
2861                 closure->modes += drm_gtf_modes_for_range(closure->connector,
2862                                                           closure->edid,
2863                                                           timing);
2864                 break;
2865         case 0x04: /* cvt, only in 1.4+ */
2866                 if (!version_greater(closure->edid, 1, 3))
2867                         break;
2868
2869                 closure->modes += drm_cvt_modes_for_range(closure->connector,
2870                                                           closure->edid,
2871                                                           timing);
2872                 break;
2873         case 0x01: /* just the ranges, no formula */
2874         default:
2875                 break;
2876         }
2877 }
2878
2879 static int
2880 add_inferred_modes(struct drm_connector *connector, struct edid *edid)
2881 {
2882         struct detailed_mode_closure closure = {
2883                 .connector = connector,
2884                 .edid = edid,
2885         };
2886
2887         if (version_greater(edid, 1, 0))
2888                 drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
2889                                             &closure);
2890
2891         return closure.modes;
2892 }
2893
2894 static int
2895 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
2896 {
2897         int i, j, m, modes = 0;
2898         struct drm_display_mode *mode;
2899         u8 *est = ((u8 *)timing) + 6;
2900
2901         for (i = 0; i < 6; i++) {
2902                 for (j = 7; j >= 0; j--) {
2903                         m = (i * 8) + (7 - j);
2904                         if (m >= ARRAY_SIZE(est3_modes))
2905                                 break;
2906                         if (est[i] & (1 << j)) {
2907                                 mode = drm_mode_find_dmt(connector->dev,
2908                                                          est3_modes[m].w,
2909                                                          est3_modes[m].h,
2910                                                          est3_modes[m].r,
2911                                                          est3_modes[m].rb);
2912                                 if (mode) {
2913                                         drm_mode_probed_add(connector, mode);
2914                                         modes++;
2915                                 }
2916                         }
2917                 }
2918         }
2919
2920         return modes;
2921 }
2922
2923 static void
2924 do_established_modes(struct detailed_timing *timing, void *c)
2925 {
2926         struct detailed_mode_closure *closure = c;
2927
2928         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_EST_TIMINGS))
2929                 return;
2930
2931         closure->modes += drm_est3_modes(closure->connector, timing);
2932 }
2933
2934 /**
2935  * add_established_modes - get est. modes from EDID and add them
2936  * @connector: connector to add mode(s) to
2937  * @edid: EDID block to scan
2938  *
2939  * Each EDID block contains a bitmap of the supported "established modes" list
2940  * (defined above).  Tease them out and add them to the global modes list.
2941  */
2942 static int
2943 add_established_modes(struct drm_connector *connector, struct edid *edid)
2944 {
2945         struct drm_device *dev = connector->dev;
2946         unsigned long est_bits = edid->established_timings.t1 |
2947                 (edid->established_timings.t2 << 8) |
2948                 ((edid->established_timings.mfg_rsvd & 0x80) << 9);
2949         int i, modes = 0;
2950         struct detailed_mode_closure closure = {
2951                 .connector = connector,
2952                 .edid = edid,
2953         };
2954
2955         for (i = 0; i <= EDID_EST_TIMINGS; i++) {
2956                 if (est_bits & (1<<i)) {
2957                         struct drm_display_mode *newmode;
2958                         newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
2959                         if (newmode) {
2960                                 drm_mode_probed_add(connector, newmode);
2961                                 modes++;
2962                         }
2963                 }
2964         }
2965
2966         if (version_greater(edid, 1, 0))
2967                     drm_for_each_detailed_block((u8 *)edid,
2968                                                 do_established_modes, &closure);
2969
2970         return modes + closure.modes;
2971 }
2972
2973 static void
2974 do_standard_modes(struct detailed_timing *timing, void *c)
2975 {
2976         struct detailed_mode_closure *closure = c;
2977         struct detailed_non_pixel *data = &timing->data.other_data;
2978         struct drm_connector *connector = closure->connector;
2979         struct edid *edid = closure->edid;
2980         int i;
2981
2982         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_STD_MODES))
2983                 return;
2984
2985         for (i = 0; i < 6; i++) {
2986                 struct std_timing *std = &data->data.timings[i];
2987                 struct drm_display_mode *newmode;
2988
2989                 newmode = drm_mode_std(connector, edid, std);
2990                 if (newmode) {
2991                         drm_mode_probed_add(connector, newmode);
2992                         closure->modes++;
2993                 }
2994         }
2995 }
2996
2997 /**
2998  * add_standard_modes - get std. modes from EDID and add them
2999  * @connector: connector to add mode(s) to
3000  * @edid: EDID block to scan
3001  *
3002  * Standard modes can be calculated using the appropriate standard (DMT,
3003  * GTF or CVT. Grab them from @edid and add them to the list.
3004  */
3005 static int
3006 add_standard_modes(struct drm_connector *connector, struct edid *edid)
3007 {
3008         int i, modes = 0;
3009         struct detailed_mode_closure closure = {
3010                 .connector = connector,
3011                 .edid = edid,
3012         };
3013
3014         for (i = 0; i < EDID_STD_TIMINGS; i++) {
3015                 struct drm_display_mode *newmode;
3016
3017                 newmode = drm_mode_std(connector, edid,
3018                                        &edid->standard_timings[i]);
3019                 if (newmode) {
3020                         drm_mode_probed_add(connector, newmode);
3021                         modes++;
3022                 }
3023         }
3024
3025         if (version_greater(edid, 1, 0))
3026                 drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
3027                                             &closure);
3028
3029         /* XXX should also look for standard codes in VTB blocks */
3030
3031         return modes + closure.modes;
3032 }
3033
3034 static int drm_cvt_modes(struct drm_connector *connector,
3035                          struct detailed_timing *timing)
3036 {
3037         int i, j, modes = 0;
3038         struct drm_display_mode *newmode;
3039         struct drm_device *dev = connector->dev;
3040         struct cvt_timing *cvt;
3041         const int rates[] = { 60, 85, 75, 60, 50 };
3042         const u8 empty[3] = { 0, 0, 0 };
3043
3044         for (i = 0; i < 4; i++) {
3045                 int uninitialized_var(width), height;
3046                 cvt = &(timing->data.other_data.data.cvt[i]);
3047
3048                 if (!memcmp(cvt->code, empty, 3))
3049                         continue;
3050
3051                 height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3052                 switch (cvt->code[1] & 0x0c) {
3053                 case 0x00:
3054                         width = height * 4 / 3;
3055                         break;
3056                 case 0x04:
3057                         width = height * 16 / 9;
3058                         break;
3059                 case 0x08:
3060                         width = height * 16 / 10;
3061                         break;
3062                 case 0x0c:
3063                         width = height * 15 / 9;
3064                         break;
3065                 }
3066
3067                 for (j = 1; j < 5; j++) {
3068                         if (cvt->code[2] & (1 << j)) {
3069                                 newmode = drm_cvt_mode(dev, width, height,
3070                                                        rates[j], j == 0,
3071                                                        false, false);
3072                                 if (newmode) {
3073                                         drm_mode_probed_add(connector, newmode);
3074                                         modes++;
3075                                 }
3076                         }
3077                 }
3078         }
3079
3080         return modes;
3081 }
3082
3083 static void
3084 do_cvt_mode(struct detailed_timing *timing, void *c)
3085 {
3086         struct detailed_mode_closure *closure = c;
3087
3088         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_CVT_3BYTE))
3089                 return;
3090
3091         closure->modes += drm_cvt_modes(closure->connector, timing);
3092 }
3093
3094 static int
3095 add_cvt_modes(struct drm_connector *connector, struct edid *edid)
3096 {
3097         struct detailed_mode_closure closure = {
3098                 .connector = connector,
3099                 .edid = edid,
3100         };
3101
3102         if (version_greater(edid, 1, 2))
3103                 drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
3104
3105         /* XXX should also look for CVT codes in VTB blocks */
3106
3107         return closure.modes;
3108 }
3109
3110 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3111
3112 static void
3113 do_detailed_mode(struct detailed_timing *timing, void *c)
3114 {
3115         struct detailed_mode_closure *closure = c;
3116         struct drm_display_mode *newmode;
3117
3118         if (!is_detailed_timing_descriptor((const u8 *)timing))
3119                 return;
3120
3121         newmode = drm_mode_detailed(closure->connector->dev,
3122                                     closure->edid, timing,
3123                                     closure->quirks);
3124         if (!newmode)
3125                 return;
3126
3127         if (closure->preferred)
3128                 newmode->type |= DRM_MODE_TYPE_PREFERRED;
3129
3130         /*
3131          * Detailed modes are limited to 10kHz pixel clock resolution,
3132          * so fix up anything that looks like CEA/HDMI mode, but the clock
3133          * is just slightly off.
3134          */
3135         fixup_detailed_cea_mode_clock(newmode);
3136
3137         drm_mode_probed_add(closure->connector, newmode);
3138         closure->modes++;
3139         closure->preferred = false;
3140 }
3141
3142 /*
3143  * add_detailed_modes - Add modes from detailed timings
3144  * @connector: attached connector
3145  * @edid: EDID block to scan
3146  * @quirks: quirks to apply
3147  */
3148 static int
3149 add_detailed_modes(struct drm_connector *connector, struct edid *edid,
3150                    u32 quirks)
3151 {
3152         struct detailed_mode_closure closure = {
3153                 .connector = connector,
3154                 .edid = edid,
3155                 .preferred = true,
3156                 .quirks = quirks,
3157         };
3158
3159         if (closure.preferred && !version_greater(edid, 1, 3))
3160                 closure.preferred =
3161                     (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3162
3163         drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
3164
3165         return closure.modes;
3166 }
3167
3168 #define AUDIO_BLOCK     0x01
3169 #define VIDEO_BLOCK     0x02
3170 #define VENDOR_BLOCK    0x03
3171 #define SPEAKER_BLOCK   0x04
3172 #define HDR_STATIC_METADATA_BLOCK       0x6
3173 #define USE_EXTENDED_TAG 0x07
3174 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3175 #define EXT_VIDEO_DATA_BLOCK_420        0x0E
3176 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3177 #define EDID_BASIC_AUDIO        (1 << 6)
3178 #define EDID_CEA_YCRCB444       (1 << 5)
3179 #define EDID_CEA_YCRCB422       (1 << 4)
3180 #define EDID_CEA_VCDB_QS        (1 << 6)
3181
3182 /*
3183  * Search EDID for CEA extension block.
3184  */
3185 static u8 *drm_find_edid_extension(const struct edid *edid, int ext_id)
3186 {
3187         u8 *edid_ext = NULL;
3188         int i;
3189
3190         /* No EDID or EDID extensions */
3191         if (edid == NULL || edid->extensions == 0)
3192                 return NULL;
3193
3194         /* Find CEA extension */
3195         for (i = 0; i < edid->extensions; i++) {
3196                 edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
3197                 if (edid_ext[0] == ext_id)
3198                         break;
3199         }
3200
3201         if (i == edid->extensions)
3202                 return NULL;
3203
3204         return edid_ext;
3205 }
3206
3207
3208 static u8 *drm_find_displayid_extension(const struct edid *edid,
3209                                         int *length, int *idx)
3210 {
3211         u8 *displayid = drm_find_edid_extension(edid, DISPLAYID_EXT);
3212         struct displayid_hdr *base;
3213         int ret;
3214
3215         if (!displayid)
3216                 return NULL;
3217
3218         /* EDID extensions block checksum isn't for us */
3219         *length = EDID_LENGTH - 1;
3220         *idx = 1;
3221
3222         ret = validate_displayid(displayid, *length, *idx);
3223         if (ret)
3224                 return NULL;
3225
3226         base = (struct displayid_hdr *)&displayid[*idx];
3227         *length = *idx + sizeof(*base) + base->bytes;
3228
3229         return displayid;
3230 }
3231
3232 static u8 *drm_find_cea_extension(const struct edid *edid)
3233 {
3234         int length, idx;
3235         struct displayid_block *block;
3236         u8 *cea;
3237         u8 *displayid;
3238
3239         /* Look for a top level CEA extension block */
3240         cea = drm_find_edid_extension(edid, CEA_EXT);
3241         if (cea)
3242                 return cea;
3243
3244         /* CEA blocks can also be found embedded in a DisplayID block */
3245         displayid = drm_find_displayid_extension(edid, &length, &idx);
3246         if (!displayid)
3247                 return NULL;
3248
3249         idx += sizeof(struct displayid_hdr);
3250         for_each_displayid_db(displayid, block, idx, length) {
3251                 if (block->tag == DATA_BLOCK_CTA) {
3252                         cea = (u8 *)block;
3253                         break;
3254                 }
3255         }
3256
3257         return cea;
3258 }
3259
3260 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3261 {
3262         BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3263         BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3264
3265         if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3266                 return &edid_cea_modes_1[vic - 1];
3267         if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3268                 return &edid_cea_modes_193[vic - 193];
3269         return NULL;
3270 }
3271
3272 static u8 cea_num_vics(void)
3273 {
3274         return 193 + ARRAY_SIZE(edid_cea_modes_193);
3275 }
3276
3277 static u8 cea_next_vic(u8 vic)
3278 {
3279         if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3280                 vic = 193;
3281         return vic;
3282 }
3283
3284 /*
3285  * Calculate the alternate clock for the CEA mode
3286  * (60Hz vs. 59.94Hz etc.)
3287  */
3288 static unsigned int
3289 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3290 {
3291         unsigned int clock = cea_mode->clock;
3292
3293         if (cea_mode->vrefresh % 6 != 0)
3294                 return clock;
3295
3296         /*
3297          * edid_cea_modes contains the 59.94Hz
3298          * variant for 240 and 480 line modes,
3299          * and the 60Hz variant otherwise.
3300          */
3301         if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3302                 clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3303         else
3304                 clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3305
3306         return clock;
3307 }
3308
3309 static bool
3310 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3311 {
3312         /*
3313          * For certain VICs the spec allows the vertical
3314          * front porch to vary by one or two lines.
3315          *
3316          * cea_modes[] stores the variant with the shortest
3317          * vertical front porch. We can adjust the mode to
3318          * get the other variants by simply increasing the
3319          * vertical front porch length.
3320          */
3321         BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3322                      cea_mode_for_vic(9)->vtotal != 262 ||
3323                      cea_mode_for_vic(12)->vtotal != 262 ||
3324                      cea_mode_for_vic(13)->vtotal != 262 ||
3325                      cea_mode_for_vic(23)->vtotal != 312 ||
3326                      cea_mode_for_vic(24)->vtotal != 312 ||
3327                      cea_mode_for_vic(27)->vtotal != 312 ||
3328                      cea_mode_for_vic(28)->vtotal != 312);
3329
3330         if (((vic == 8 || vic == 9 ||
3331               vic == 12 || vic == 13) && mode->vtotal < 263) ||
3332             ((vic == 23 || vic == 24 ||
3333               vic == 27 || vic == 28) && mode->vtotal < 314)) {
3334                 mode->vsync_start++;
3335                 mode->vsync_end++;
3336                 mode->vtotal++;
3337
3338                 return true;
3339         }
3340
3341         return false;
3342 }
3343
3344 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3345                                              unsigned int clock_tolerance)
3346 {
3347         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3348         u8 vic;
3349
3350         if (!to_match->clock)
3351                 return 0;
3352
3353         if (to_match->picture_aspect_ratio)
3354                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3355
3356         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3357                 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3358                 unsigned int clock1, clock2;
3359
3360                 /* Check both 60Hz and 59.94Hz */
3361                 clock1 = cea_mode.clock;
3362                 clock2 = cea_mode_alternate_clock(&cea_mode);
3363
3364                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3365                     abs(to_match->clock - clock2) > clock_tolerance)
3366                         continue;
3367
3368                 do {
3369                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3370                                 return vic;
3371                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3372         }
3373
3374         return 0;
3375 }
3376
3377 /**
3378  * drm_match_cea_mode - look for a CEA mode matching given mode
3379  * @to_match: display mode
3380  *
3381  * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3382  * mode.
3383  */
3384 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3385 {
3386         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3387         u8 vic;
3388
3389         if (!to_match->clock)
3390                 return 0;
3391
3392         if (to_match->picture_aspect_ratio)
3393                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3394
3395         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3396                 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3397                 unsigned int clock1, clock2;
3398
3399                 /* Check both 60Hz and 59.94Hz */
3400                 clock1 = cea_mode.clock;
3401                 clock2 = cea_mode_alternate_clock(&cea_mode);
3402
3403                 if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3404                     KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3405                         continue;
3406
3407                 do {
3408                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3409                                 return vic;
3410                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3411         }
3412
3413         return 0;
3414 }
3415 EXPORT_SYMBOL(drm_match_cea_mode);
3416
3417 static bool drm_valid_cea_vic(u8 vic)
3418 {
3419         return cea_mode_for_vic(vic) != NULL;
3420 }
3421
3422 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3423 {
3424         const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3425
3426         if (mode)
3427                 return mode->picture_aspect_ratio;
3428
3429         return HDMI_PICTURE_ASPECT_NONE;
3430 }
3431
3432 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3433 {
3434         return edid_4k_modes[video_code].picture_aspect_ratio;
3435 }
3436
3437 /*
3438  * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3439  * specific block).
3440  */
3441 static unsigned int
3442 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3443 {
3444         return cea_mode_alternate_clock(hdmi_mode);
3445 }
3446
3447 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3448                                               unsigned int clock_tolerance)
3449 {
3450         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3451         u8 vic;
3452
3453         if (!to_match->clock)
3454                 return 0;
3455
3456         if (to_match->picture_aspect_ratio)
3457                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3458
3459         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3460                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3461                 unsigned int clock1, clock2;
3462
3463                 /* Make sure to also match alternate clocks */
3464                 clock1 = hdmi_mode->clock;
3465                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3466
3467                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3468                     abs(to_match->clock - clock2) > clock_tolerance)
3469                         continue;
3470
3471                 if (drm_mode_match(to_match, hdmi_mode, match_flags))
3472                         return vic;
3473         }
3474
3475         return 0;
3476 }
3477
3478 /*
3479  * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3480  * @to_match: display mode
3481  *
3482  * An HDMI mode is one defined in the HDMI vendor specific block.
3483  *
3484  * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3485  */
3486 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3487 {
3488         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3489         u8 vic;
3490
3491         if (!to_match->clock)
3492                 return 0;
3493
3494         if (to_match->picture_aspect_ratio)
3495                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3496
3497         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3498                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3499                 unsigned int clock1, clock2;
3500
3501                 /* Make sure to also match alternate clocks */
3502                 clock1 = hdmi_mode->clock;
3503                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3504
3505                 if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3506                      KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3507                     drm_mode_match(to_match, hdmi_mode, match_flags))
3508                         return vic;
3509         }
3510         return 0;
3511 }
3512
3513 static bool drm_valid_hdmi_vic(u8 vic)
3514 {
3515         return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3516 }
3517
3518 static int
3519 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3520 {
3521         struct drm_device *dev = connector->dev;
3522         struct drm_display_mode *mode, *tmp;
3523         LIST_HEAD(list);
3524         int modes = 0;
3525
3526         /* Don't add CEA modes if the CEA extension block is missing */
3527         if (!drm_find_cea_extension(edid))
3528                 return 0;
3529
3530         /*
3531          * Go through all probed modes and create a new mode
3532          * with the alternate clock for certain CEA modes.
3533          */
3534         list_for_each_entry(mode, &connector->probed_modes, head) {
3535                 const struct drm_display_mode *cea_mode = NULL;
3536                 struct drm_display_mode *newmode;
3537                 u8 vic = drm_match_cea_mode(mode);
3538                 unsigned int clock1, clock2;
3539
3540                 if (drm_valid_cea_vic(vic)) {
3541                         cea_mode = cea_mode_for_vic(vic);
3542                         clock2 = cea_mode_alternate_clock(cea_mode);
3543                 } else {
3544                         vic = drm_match_hdmi_mode(mode);
3545                         if (drm_valid_hdmi_vic(vic)) {
3546                                 cea_mode = &edid_4k_modes[vic];
3547                                 clock2 = hdmi_mode_alternate_clock(cea_mode);
3548                         }
3549                 }
3550
3551                 if (!cea_mode)
3552                         continue;
3553
3554                 clock1 = cea_mode->clock;
3555
3556                 if (clock1 == clock2)
3557                         continue;
3558
3559                 if (mode->clock != clock1 && mode->clock != clock2)
3560                         continue;
3561
3562                 newmode = drm_mode_duplicate(dev, cea_mode);
3563                 if (!newmode)
3564                         continue;
3565
3566                 /* Carry over the stereo flags */
3567                 newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3568
3569                 /*
3570                  * The current mode could be either variant. Make
3571                  * sure to pick the "other" clock for the new mode.
3572                  */
3573                 if (mode->clock != clock1)
3574                         newmode->clock = clock1;
3575                 else
3576                         newmode->clock = clock2;
3577
3578                 list_add_tail(&newmode->head, &list);
3579         }
3580
3581         list_for_each_entry_safe(mode, tmp, &list, head) {
3582                 list_del(&mode->head);
3583                 drm_mode_probed_add(connector, mode);
3584                 modes++;
3585         }
3586
3587         return modes;
3588 }
3589
3590 static u8 svd_to_vic(u8 svd)
3591 {
3592         /* 0-6 bit vic, 7th bit native mode indicator */
3593         if ((svd >= 1 &&  svd <= 64) || (svd >= 129 && svd <= 192))
3594                 return svd & 127;
3595
3596         return svd;
3597 }
3598
3599 static struct drm_display_mode *
3600 drm_display_mode_from_vic_index(struct drm_connector *connector,
3601                                 const u8 *video_db, u8 video_len,
3602                                 u8 video_index)
3603 {
3604         struct drm_device *dev = connector->dev;
3605         struct drm_display_mode *newmode;
3606         u8 vic;
3607
3608         if (video_db == NULL || video_index >= video_len)
3609                 return NULL;
3610
3611         /* CEA modes are numbered 1..127 */
3612         vic = svd_to_vic(video_db[video_index]);
3613         if (!drm_valid_cea_vic(vic))
3614                 return NULL;
3615
3616         newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3617         if (!newmode)
3618                 return NULL;
3619
3620         newmode->vrefresh = 0;
3621
3622         return newmode;
3623 }
3624
3625 /*
3626  * do_y420vdb_modes - Parse YCBCR 420 only modes
3627  * @connector: connector corresponding to the HDMI sink
3628  * @svds: start of the data block of CEA YCBCR 420 VDB
3629  * @len: length of the CEA YCBCR 420 VDB
3630  *
3631  * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3632  * which contains modes which can be supported in YCBCR 420
3633  * output format only.
3634  */
3635 static int do_y420vdb_modes(struct drm_connector *connector,
3636                             const u8 *svds, u8 svds_len)
3637 {
3638         int modes = 0, i;
3639         struct drm_device *dev = connector->dev;
3640         struct drm_display_info *info = &connector->display_info;
3641         struct drm_hdmi_info *hdmi = &info->hdmi;
3642
3643         for (i = 0; i < svds_len; i++) {
3644                 u8 vic = svd_to_vic(svds[i]);
3645                 struct drm_display_mode *newmode;
3646
3647                 if (!drm_valid_cea_vic(vic))
3648                         continue;
3649
3650                 newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3651                 if (!newmode)
3652                         break;
3653                 bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3654                 drm_mode_probed_add(connector, newmode);
3655                 modes++;
3656         }
3657
3658         if (modes > 0)
3659                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3660         return modes;
3661 }
3662
3663 /*
3664  * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3665  * @connector: connector corresponding to the HDMI sink
3666  * @vic: CEA vic for the video mode to be added in the map
3667  *
3668  * Makes an entry for a videomode in the YCBCR 420 bitmap
3669  */
3670 static void
3671 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3672 {
3673         u8 vic = svd_to_vic(svd);
3674         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3675
3676         if (!drm_valid_cea_vic(vic))
3677                 return;
3678
3679         bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3680 }
3681
3682 static int
3683 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3684 {
3685         int i, modes = 0;
3686         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3687
3688         for (i = 0; i < len; i++) {
3689                 struct drm_display_mode *mode;
3690                 mode = drm_display_mode_from_vic_index(connector, db, len, i);
3691                 if (mode) {
3692                         /*
3693                          * YCBCR420 capability block contains a bitmap which
3694                          * gives the index of CEA modes from CEA VDB, which
3695                          * can support YCBCR 420 sampling output also (apart
3696                          * from RGB/YCBCR444 etc).
3697                          * For example, if the bit 0 in bitmap is set,
3698                          * first mode in VDB can support YCBCR420 output too.
3699                          * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
3700                          */
3701                         if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
3702                                 drm_add_cmdb_modes(connector, db[i]);
3703
3704                         drm_mode_probed_add(connector, mode);
3705                         modes++;
3706                 }
3707         }
3708
3709         return modes;
3710 }
3711
3712 struct stereo_mandatory_mode {
3713         int width, height, vrefresh;
3714         unsigned int flags;
3715 };
3716
3717 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3718         { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3719         { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3720         { 1920, 1080, 50,
3721           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3722         { 1920, 1080, 60,
3723           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3724         { 1280, 720,  50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3725         { 1280, 720,  50, DRM_MODE_FLAG_3D_FRAME_PACKING },
3726         { 1280, 720,  60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3727         { 1280, 720,  60, DRM_MODE_FLAG_3D_FRAME_PACKING }
3728 };
3729
3730 static bool
3731 stereo_match_mandatory(const struct drm_display_mode *mode,
3732                        const struct stereo_mandatory_mode *stereo_mode)
3733 {
3734         unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
3735
3736         return mode->hdisplay == stereo_mode->width &&
3737                mode->vdisplay == stereo_mode->height &&
3738                interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
3739                drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
3740 }
3741
3742 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
3743 {
3744         struct drm_device *dev = connector->dev;
3745         const struct drm_display_mode *mode;
3746         struct list_head stereo_modes;
3747         int modes = 0, i;
3748
3749         INIT_LIST_HEAD(&stereo_modes);
3750
3751         list_for_each_entry(mode, &connector->probed_modes, head) {
3752                 for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
3753                         const struct stereo_mandatory_mode *mandatory;
3754                         struct drm_display_mode *new_mode;
3755
3756                         if (!stereo_match_mandatory(mode,
3757                                                     &stereo_mandatory_modes[i]))
3758                                 continue;
3759
3760                         mandatory = &stereo_mandatory_modes[i];
3761                         new_mode = drm_mode_duplicate(dev, mode);
3762                         if (!new_mode)
3763                                 continue;
3764
3765                         new_mode->flags |= mandatory->flags;
3766                         list_add_tail(&new_mode->head, &stereo_modes);
3767                         modes++;
3768                 }
3769         }
3770
3771         list_splice_tail(&stereo_modes, &connector->probed_modes);
3772
3773         return modes;
3774 }
3775
3776 static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
3777 {
3778         struct drm_device *dev = connector->dev;
3779         struct drm_display_mode *newmode;
3780
3781         if (!drm_valid_hdmi_vic(vic)) {
3782                 DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
3783                 return 0;
3784         }
3785
3786         newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
3787         if (!newmode)
3788                 return 0;
3789
3790         drm_mode_probed_add(connector, newmode);
3791
3792         return 1;
3793 }
3794
3795 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
3796                                const u8 *video_db, u8 video_len, u8 video_index)
3797 {
3798         struct drm_display_mode *newmode;
3799         int modes = 0;
3800
3801         if (structure & (1 << 0)) {
3802                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3803                                                           video_len,
3804                                                           video_index);
3805                 if (newmode) {
3806                         newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
3807                         drm_mode_probed_add(connector, newmode);
3808                         modes++;
3809                 }
3810         }
3811         if (structure & (1 << 6)) {
3812                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3813                                                           video_len,
3814                                                           video_index);
3815                 if (newmode) {
3816                         newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3817                         drm_mode_probed_add(connector, newmode);
3818                         modes++;
3819                 }
3820         }
3821         if (structure & (1 << 8)) {
3822                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3823                                                           video_len,
3824                                                           video_index);
3825                 if (newmode) {
3826                         newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3827                         drm_mode_probed_add(connector, newmode);
3828                         modes++;
3829                 }
3830         }
3831
3832         return modes;
3833 }
3834
3835 /*
3836  * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
3837  * @connector: connector corresponding to the HDMI sink
3838  * @db: start of the CEA vendor specific block
3839  * @len: length of the CEA block payload, ie. one can access up to db[len]
3840  *
3841  * Parses the HDMI VSDB looking for modes to add to @connector. This function
3842  * also adds the stereo 3d modes when applicable.
3843  */
3844 static int
3845 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
3846                    const u8 *video_db, u8 video_len)
3847 {
3848         struct drm_display_info *info = &connector->display_info;
3849         int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3850         u8 vic_len, hdmi_3d_len = 0;
3851         u16 mask;
3852         u16 structure_all;
3853
3854         if (len < 8)
3855                 goto out;
3856
3857         /* no HDMI_Video_Present */
3858         if (!(db[8] & (1 << 5)))
3859                 goto out;
3860
3861         /* Latency_Fields_Present */
3862         if (db[8] & (1 << 7))
3863                 offset += 2;
3864
3865         /* I_Latency_Fields_Present */
3866         if (db[8] & (1 << 6))
3867                 offset += 2;
3868
3869         /* the declared length is not long enough for the 2 first bytes
3870          * of additional video format capabilities */
3871         if (len < (8 + offset + 2))
3872                 goto out;
3873
3874         /* 3D_Present */
3875         offset++;
3876         if (db[8 + offset] & (1 << 7)) {
3877                 modes += add_hdmi_mandatory_stereo_modes(connector);
3878
3879                 /* 3D_Multi_present */
3880                 multi_present = (db[8 + offset] & 0x60) >> 5;
3881         }
3882
3883         offset++;
3884         vic_len = db[8 + offset] >> 5;
3885         hdmi_3d_len = db[8 + offset] & 0x1f;
3886
3887         for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
3888                 u8 vic;
3889
3890                 vic = db[9 + offset + i];
3891                 modes += add_hdmi_mode(connector, vic);
3892         }
3893         offset += 1 + vic_len;
3894
3895         if (multi_present == 1)
3896                 multi_len = 2;
3897         else if (multi_present == 2)
3898                 multi_len = 4;
3899         else
3900                 multi_len = 0;
3901
3902         if (len < (8 + offset + hdmi_3d_len - 1))
3903                 goto out;
3904
3905         if (hdmi_3d_len < multi_len)
3906                 goto out;
3907
3908         if (multi_present == 1 || multi_present == 2) {
3909                 /* 3D_Structure_ALL */
3910                 structure_all = (db[8 + offset] << 8) | db[9 + offset];
3911
3912                 /* check if 3D_MASK is present */
3913                 if (multi_present == 2)
3914                         mask = (db[10 + offset] << 8) | db[11 + offset];
3915                 else
3916                         mask = 0xffff;
3917
3918                 for (i = 0; i < 16; i++) {
3919                         if (mask & (1 << i))
3920                                 modes += add_3d_struct_modes(connector,
3921                                                 structure_all,
3922                                                 video_db,
3923                                                 video_len, i);
3924                 }
3925         }
3926
3927         offset += multi_len;
3928
3929         for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
3930                 int vic_index;
3931                 struct drm_display_mode *newmode = NULL;
3932                 unsigned int newflag = 0;
3933                 bool detail_present;
3934
3935                 detail_present = ((db[8 + offset + i] & 0x0f) > 7);
3936
3937                 if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
3938                         break;
3939
3940                 /* 2D_VIC_order_X */
3941                 vic_index = db[8 + offset + i] >> 4;
3942
3943                 /* 3D_Structure_X */
3944                 switch (db[8 + offset + i] & 0x0f) {
3945                 case 0:
3946                         newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
3947                         break;
3948                 case 6:
3949                         newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3950                         break;
3951                 case 8:
3952                         /* 3D_Detail_X */
3953                         if ((db[9 + offset + i] >> 4) == 1)
3954                                 newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3955                         break;
3956                 }
3957
3958                 if (newflag != 0) {
3959                         newmode = drm_display_mode_from_vic_index(connector,
3960                                                                   video_db,
3961                                                                   video_len,
3962                                                                   vic_index);
3963
3964                         if (newmode) {
3965                                 newmode->flags |= newflag;
3966                                 drm_mode_probed_add(connector, newmode);
3967                                 modes++;
3968                         }
3969                 }
3970
3971                 if (detail_present)
3972                         i++;
3973         }
3974
3975 out:
3976         if (modes > 0)
3977                 info->has_hdmi_infoframe = true;
3978         return modes;
3979 }
3980
3981 static int
3982 cea_db_payload_len(const u8 *db)
3983 {
3984         return db[0] & 0x1f;
3985 }
3986
3987 static int
3988 cea_db_extended_tag(const u8 *db)
3989 {
3990         return db[1];
3991 }
3992
3993 static int
3994 cea_db_tag(const u8 *db)
3995 {
3996         return db[0] >> 5;
3997 }
3998
3999 static int
4000 cea_revision(const u8 *cea)
4001 {
4002         /*
4003          * FIXME is this correct for the DispID variant?
4004          * The DispID spec doesn't really specify whether
4005          * this is the revision of the CEA extension or
4006          * the DispID CEA data block. And the only value
4007          * given as an example is 0.
4008          */
4009         return cea[1];
4010 }
4011
4012 static int
4013 cea_db_offsets(const u8 *cea, int *start, int *end)
4014 {
4015         /* DisplayID CTA extension blocks and top-level CEA EDID
4016          * block header definitions differ in the following bytes:
4017          *   1) Byte 2 of the header specifies length differently,
4018          *   2) Byte 3 is only present in the CEA top level block.
4019          *
4020          * The different definitions for byte 2 follow.
4021          *
4022          * DisplayID CTA extension block defines byte 2 as:
4023          *   Number of payload bytes
4024          *
4025          * CEA EDID block defines byte 2 as:
4026          *   Byte number (decimal) within this block where the 18-byte
4027          *   DTDs begin. If no non-DTD data is present in this extension
4028          *   block, the value should be set to 04h (the byte after next).
4029          *   If set to 00h, there are no DTDs present in this block and
4030          *   no non-DTD data.
4031          */
4032         if (cea[0] == DATA_BLOCK_CTA) {
4033                 /*
4034                  * for_each_displayid_db() has already verified
4035                  * that these stay within expected bounds.
4036                  */
4037                 *start = 3;
4038                 *end = *start + cea[2];
4039         } else if (cea[0] == CEA_EXT) {
4040                 /* Data block offset in CEA extension block */
4041                 *start = 4;
4042                 *end = cea[2];
4043                 if (*end == 0)
4044                         *end = 127;
4045                 if (*end < 4 || *end > 127)
4046                         return -ERANGE;
4047         } else {
4048                 return -EOPNOTSUPP;
4049         }
4050
4051         return 0;
4052 }
4053
4054 static bool cea_db_is_hdmi_vsdb(const u8 *db)
4055 {
4056         int hdmi_id;
4057
4058         if (cea_db_tag(db) != VENDOR_BLOCK)
4059                 return false;
4060
4061         if (cea_db_payload_len(db) < 5)
4062                 return false;
4063
4064         hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
4065
4066         return hdmi_id == HDMI_IEEE_OUI;
4067 }
4068
4069 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
4070 {
4071         unsigned int oui;
4072
4073         if (cea_db_tag(db) != VENDOR_BLOCK)
4074                 return false;
4075
4076         if (cea_db_payload_len(db) < 7)
4077                 return false;
4078
4079         oui = db[3] << 16 | db[2] << 8 | db[1];
4080
4081         return oui == HDMI_FORUM_IEEE_OUI;
4082 }
4083
4084 static bool cea_db_is_vcdb(const u8 *db)
4085 {
4086         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4087                 return false;
4088
4089         if (cea_db_payload_len(db) != 2)
4090                 return false;
4091
4092         if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK)
4093                 return false;
4094
4095         return true;
4096 }
4097
4098 static bool cea_db_is_y420cmdb(const u8 *db)
4099 {
4100         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4101                 return false;
4102
4103         if (!cea_db_payload_len(db))
4104                 return false;
4105
4106         if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
4107                 return false;
4108
4109         return true;
4110 }
4111
4112 static bool cea_db_is_y420vdb(const u8 *db)
4113 {
4114         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4115                 return false;
4116
4117         if (!cea_db_payload_len(db))
4118                 return false;
4119
4120         if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
4121                 return false;
4122
4123         return true;
4124 }
4125
4126 #define for_each_cea_db(cea, i, start, end) \
4127         for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
4128
4129 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
4130                                       const u8 *db)
4131 {
4132         struct drm_display_info *info = &connector->display_info;
4133         struct drm_hdmi_info *hdmi = &info->hdmi;
4134         u8 map_len = cea_db_payload_len(db) - 1;
4135         u8 count;
4136         u64 map = 0;
4137
4138         if (map_len == 0) {
4139                 /* All CEA modes support ycbcr420 sampling also.*/
4140                 hdmi->y420_cmdb_map = U64_MAX;
4141                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4142                 return;
4143         }
4144
4145         /*
4146          * This map indicates which of the existing CEA block modes
4147          * from VDB can support YCBCR420 output too. So if bit=0 is
4148          * set, first mode from VDB can support YCBCR420 output too.
4149          * We will parse and keep this map, before parsing VDB itself
4150          * to avoid going through the same block again and again.
4151          *
4152          * Spec is not clear about max possible size of this block.
4153          * Clamping max bitmap block size at 8 bytes. Every byte can
4154          * address 8 CEA modes, in this way this map can address
4155          * 8*8 = first 64 SVDs.
4156          */
4157         if (WARN_ON_ONCE(map_len > 8))
4158                 map_len = 8;
4159
4160         for (count = 0; count < map_len; count++)
4161                 map |= (u64)db[2 + count] << (8 * count);
4162
4163         if (map)
4164                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4165
4166         hdmi->y420_cmdb_map = map;
4167 }
4168
4169 static int
4170 add_cea_modes(struct drm_connector *connector, struct edid *edid)
4171 {
4172         const u8 *cea = drm_find_cea_extension(edid);
4173         const u8 *db, *hdmi = NULL, *video = NULL;
4174         u8 dbl, hdmi_len, video_len = 0;
4175         int modes = 0;
4176
4177         if (cea && cea_revision(cea) >= 3) {
4178                 int i, start, end;
4179
4180                 if (cea_db_offsets(cea, &start, &end))
4181                         return 0;
4182
4183                 for_each_cea_db(cea, i, start, end) {
4184                         db = &cea[i];
4185                         dbl = cea_db_payload_len(db);
4186
4187                         if (cea_db_tag(db) == VIDEO_BLOCK) {
4188                                 video = db + 1;
4189                                 video_len = dbl;
4190                                 modes += do_cea_modes(connector, video, dbl);
4191                         } else if (cea_db_is_hdmi_vsdb(db)) {
4192                                 hdmi = db;
4193                                 hdmi_len = dbl;
4194                         } else if (cea_db_is_y420vdb(db)) {
4195                                 const u8 *vdb420 = &db[2];
4196
4197                                 /* Add 4:2:0(only) modes present in EDID */
4198                                 modes += do_y420vdb_modes(connector,
4199                                                           vdb420,
4200                                                           dbl - 1);
4201                         }
4202                 }
4203         }
4204
4205         /*
4206          * We parse the HDMI VSDB after having added the cea modes as we will
4207          * be patching their flags when the sink supports stereo 3D.
4208          */
4209         if (hdmi)
4210                 modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
4211                                             video_len);
4212
4213         return modes;
4214 }
4215
4216 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
4217 {
4218         const struct drm_display_mode *cea_mode;
4219         int clock1, clock2, clock;
4220         u8 vic;
4221         const char *type;
4222
4223         /*
4224          * allow 5kHz clock difference either way to account for
4225          * the 10kHz clock resolution limit of detailed timings.
4226          */
4227         vic = drm_match_cea_mode_clock_tolerance(mode, 5);
4228         if (drm_valid_cea_vic(vic)) {
4229                 type = "CEA";
4230                 cea_mode = cea_mode_for_vic(vic);
4231                 clock1 = cea_mode->clock;
4232                 clock2 = cea_mode_alternate_clock(cea_mode);
4233         } else {
4234                 vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
4235                 if (drm_valid_hdmi_vic(vic)) {
4236                         type = "HDMI";
4237                         cea_mode = &edid_4k_modes[vic];
4238                         clock1 = cea_mode->clock;
4239                         clock2 = hdmi_mode_alternate_clock(cea_mode);
4240                 } else {
4241                         return;
4242                 }
4243         }
4244
4245         /* pick whichever is closest */
4246         if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
4247                 clock = clock1;
4248         else
4249                 clock = clock2;
4250
4251         if (mode->clock == clock)
4252                 return;
4253
4254         DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
4255                   type, vic, mode->clock, clock);
4256         mode->clock = clock;
4257 }
4258
4259 static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db)
4260 {
4261         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4262                 return false;
4263
4264         if (db[1] != HDR_STATIC_METADATA_BLOCK)
4265                 return false;
4266
4267         if (cea_db_payload_len(db) < 3)
4268                 return false;
4269
4270         return true;
4271 }
4272
4273 static uint8_t eotf_supported(const u8 *edid_ext)
4274 {
4275         return edid_ext[2] &
4276                 (BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
4277                  BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
4278                  BIT(HDMI_EOTF_SMPTE_ST2084) |
4279                  BIT(HDMI_EOTF_BT_2100_HLG));
4280 }
4281
4282 static uint8_t hdr_metadata_type(const u8 *edid_ext)
4283 {
4284         return edid_ext[3] &
4285                 BIT(HDMI_STATIC_METADATA_TYPE1);
4286 }
4287
4288 static void
4289 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
4290 {
4291         u16 len;
4292
4293         len = cea_db_payload_len(db);
4294
4295         connector->hdr_sink_metadata.hdmi_type1.eotf =
4296                                                 eotf_supported(db);
4297         connector->hdr_sink_metadata.hdmi_type1.metadata_type =
4298                                                 hdr_metadata_type(db);
4299
4300         if (len >= 4)
4301                 connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
4302         if (len >= 5)
4303                 connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
4304         if (len >= 6)
4305                 connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
4306 }
4307
4308 static void
4309 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
4310 {
4311         u8 len = cea_db_payload_len(db);
4312
4313         if (len >= 6 && (db[6] & (1 << 7)))
4314                 connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
4315         if (len >= 8) {
4316                 connector->latency_present[0] = db[8] >> 7;
4317                 connector->latency_present[1] = (db[8] >> 6) & 1;
4318         }
4319         if (len >= 9)
4320                 connector->video_latency[0] = db[9];
4321         if (len >= 10)
4322                 connector->audio_latency[0] = db[10];
4323         if (len >= 11)
4324                 connector->video_latency[1] = db[11];
4325         if (len >= 12)
4326                 connector->audio_latency[1] = db[12];
4327
4328         DRM_DEBUG_KMS("HDMI: latency present %d %d, "
4329                       "video latency %d %d, "
4330                       "audio latency %d %d\n",
4331                       connector->latency_present[0],
4332                       connector->latency_present[1],
4333                       connector->video_latency[0],
4334                       connector->video_latency[1],
4335                       connector->audio_latency[0],
4336                       connector->audio_latency[1]);
4337 }
4338
4339 static void
4340 monitor_name(struct detailed_timing *t, void *data)
4341 {
4342         if (!is_display_descriptor((const u8 *)t, EDID_DETAIL_MONITOR_NAME))
4343                 return;
4344
4345         *(u8 **)data = t->data.other_data.data.str.str;
4346 }
4347
4348 static int get_monitor_name(struct edid *edid, char name[13])
4349 {
4350         char *edid_name = NULL;
4351         int mnl;
4352
4353         if (!edid || !name)
4354                 return 0;
4355
4356         drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
4357         for (mnl = 0; edid_name && mnl < 13; mnl++) {
4358                 if (edid_name[mnl] == 0x0a)
4359                         break;
4360
4361                 name[mnl] = edid_name[mnl];
4362         }
4363
4364         return mnl;
4365 }
4366
4367 /**
4368  * drm_edid_get_monitor_name - fetch the monitor name from the edid
4369  * @edid: monitor EDID information
4370  * @name: pointer to a character array to hold the name of the monitor
4371  * @bufsize: The size of the name buffer (should be at least 14 chars.)
4372  *
4373  */
4374 void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
4375 {
4376         int name_length;
4377         char buf[13];
4378
4379         if (bufsize <= 0)
4380                 return;
4381
4382         name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4383         memcpy(name, buf, name_length);
4384         name[name_length] = '\0';
4385 }
4386 EXPORT_SYMBOL(drm_edid_get_monitor_name);
4387
4388 static void clear_eld(struct drm_connector *connector)
4389 {
4390         memset(connector->eld, 0, sizeof(connector->eld));
4391
4392         connector->latency_present[0] = false;
4393         connector->latency_present[1] = false;
4394         connector->video_latency[0] = 0;
4395         connector->audio_latency[0] = 0;
4396         connector->video_latency[1] = 0;
4397         connector->audio_latency[1] = 0;
4398 }
4399
4400 /*
4401  * drm_edid_to_eld - build ELD from EDID
4402  * @connector: connector corresponding to the HDMI/DP sink
4403  * @edid: EDID to parse
4404  *
4405  * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4406  * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4407  */
4408 static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
4409 {
4410         uint8_t *eld = connector->eld;
4411         u8 *cea;
4412         u8 *db;
4413         int total_sad_count = 0;
4414         int mnl;
4415         int dbl;
4416
4417         clear_eld(connector);
4418
4419         if (!edid)
4420                 return;
4421
4422         cea = drm_find_cea_extension(edid);
4423         if (!cea) {
4424                 DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4425                 return;
4426         }
4427
4428         mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4429         DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4430
4431         eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4432         eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4433
4434         eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4435
4436         eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4437         eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4438         eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4439         eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4440
4441         if (cea_revision(cea) >= 3) {
4442                 int i, start, end;
4443                 int sad_count;
4444
4445                 if (cea_db_offsets(cea, &start, &end)) {
4446                         start = 0;
4447                         end = 0;
4448                 }
4449
4450                 for_each_cea_db(cea, i, start, end) {
4451                         db = &cea[i];
4452                         dbl = cea_db_payload_len(db);
4453
4454                         switch (cea_db_tag(db)) {
4455                         case AUDIO_BLOCK:
4456                                 /* Audio Data Block, contains SADs */
4457                                 sad_count = min(dbl / 3, 15 - total_sad_count);
4458                                 if (sad_count >= 1)
4459                                         memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4460                                                &db[1], sad_count * 3);
4461                                 total_sad_count += sad_count;
4462                                 break;
4463                         case SPEAKER_BLOCK:
4464                                 /* Speaker Allocation Data Block */
4465                                 if (dbl >= 1)
4466                                         eld[DRM_ELD_SPEAKER] = db[1];
4467                                 break;
4468                         case VENDOR_BLOCK:
4469                                 /* HDMI Vendor-Specific Data Block */
4470                                 if (cea_db_is_hdmi_vsdb(db))
4471                                         drm_parse_hdmi_vsdb_audio(connector, db);
4472                                 break;
4473                         default:
4474                                 break;
4475                         }
4476                 }
4477         }
4478         eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4479
4480         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4481             connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4482                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4483         else
4484                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4485
4486         eld[DRM_ELD_BASELINE_ELD_LEN] =
4487                 DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4488
4489         DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4490                       drm_eld_size(eld), total_sad_count);
4491 }
4492
4493 /**
4494  * drm_edid_to_sad - extracts SADs from EDID
4495  * @edid: EDID to parse
4496  * @sads: pointer that will be set to the extracted SADs
4497  *
4498  * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4499  *
4500  * Note: The returned pointer needs to be freed using kfree().
4501  *
4502  * Return: The number of found SADs or negative number on error.
4503  */
4504 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
4505 {
4506         int count = 0;
4507         int i, start, end, dbl;
4508         u8 *cea;
4509
4510         cea = drm_find_cea_extension(edid);
4511         if (!cea) {
4512                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4513                 return 0;
4514         }
4515
4516         if (cea_revision(cea) < 3) {
4517                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4518                 return 0;
4519         }
4520
4521         if (cea_db_offsets(cea, &start, &end)) {
4522                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4523                 return -EPROTO;
4524         }
4525
4526         for_each_cea_db(cea, i, start, end) {
4527                 u8 *db = &cea[i];
4528
4529                 if (cea_db_tag(db) == AUDIO_BLOCK) {
4530                         int j;
4531                         dbl = cea_db_payload_len(db);
4532
4533                         count = dbl / 3; /* SAD is 3B */
4534                         *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4535                         if (!*sads)
4536                                 return -ENOMEM;
4537                         for (j = 0; j < count; j++) {
4538                                 u8 *sad = &db[1 + j * 3];
4539
4540                                 (*sads)[j].format = (sad[0] & 0x78) >> 3;
4541                                 (*sads)[j].channels = sad[0] & 0x7;
4542                                 (*sads)[j].freq = sad[1] & 0x7F;
4543                                 (*sads)[j].byte2 = sad[2];
4544                         }
4545                         break;
4546                 }
4547         }
4548
4549         return count;
4550 }
4551 EXPORT_SYMBOL(drm_edid_to_sad);
4552
4553 /**
4554  * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4555  * @edid: EDID to parse
4556  * @sadb: pointer to the speaker block
4557  *
4558  * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4559  *
4560  * Note: The returned pointer needs to be freed using kfree().
4561  *
4562  * Return: The number of found Speaker Allocation Blocks or negative number on
4563  * error.
4564  */
4565 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
4566 {
4567         int count = 0;
4568         int i, start, end, dbl;
4569         const u8 *cea;
4570
4571         cea = drm_find_cea_extension(edid);
4572         if (!cea) {
4573                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4574                 return 0;
4575         }
4576
4577         if (cea_revision(cea) < 3) {
4578                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4579                 return 0;
4580         }
4581
4582         if (cea_db_offsets(cea, &start, &end)) {
4583                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4584                 return -EPROTO;
4585         }
4586
4587         for_each_cea_db(cea, i, start, end) {
4588                 const u8 *db = &cea[i];
4589
4590                 if (cea_db_tag(db) == SPEAKER_BLOCK) {
4591                         dbl = cea_db_payload_len(db);
4592
4593                         /* Speaker Allocation Data Block */
4594                         if (dbl == 3) {
4595                                 *sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4596                                 if (!*sadb)
4597                                         return -ENOMEM;
4598                                 count = dbl;
4599                                 break;
4600                         }
4601                 }
4602         }
4603
4604         return count;
4605 }
4606 EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4607
4608 /**
4609  * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4610  * @connector: connector associated with the HDMI/DP sink
4611  * @mode: the display mode
4612  *
4613  * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4614  * the sink doesn't support audio or video.
4615  */
4616 int drm_av_sync_delay(struct drm_connector *connector,
4617                       const struct drm_display_mode *mode)
4618 {
4619         int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4620         int a, v;
4621
4622         if (!connector->latency_present[0])
4623                 return 0;
4624         if (!connector->latency_present[1])
4625                 i = 0;
4626
4627         a = connector->audio_latency[i];
4628         v = connector->video_latency[i];
4629
4630         /*
4631          * HDMI/DP sink doesn't support audio or video?
4632          */
4633         if (a == 255 || v == 255)
4634                 return 0;
4635
4636         /*
4637          * Convert raw EDID values to millisecond.
4638          * Treat unknown latency as 0ms.
4639          */
4640         if (a)
4641                 a = min(2 * (a - 1), 500);
4642         if (v)
4643                 v = min(2 * (v - 1), 500);
4644
4645         return max(v - a, 0);
4646 }
4647 EXPORT_SYMBOL(drm_av_sync_delay);
4648
4649 /**
4650  * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4651  * @edid: monitor EDID information
4652  *
4653  * Parse the CEA extension according to CEA-861-B.
4654  *
4655  * Drivers that have added the modes parsed from EDID to drm_display_info
4656  * should use &drm_display_info.is_hdmi instead of calling this function.
4657  *
4658  * Return: True if the monitor is HDMI, false if not or unknown.
4659  */
4660 bool drm_detect_hdmi_monitor(struct edid *edid)
4661 {
4662         u8 *edid_ext;
4663         int i;
4664         int start_offset, end_offset;
4665
4666         edid_ext = drm_find_cea_extension(edid);
4667         if (!edid_ext)
4668                 return false;
4669
4670         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4671                 return false;
4672
4673         /*
4674          * Because HDMI identifier is in Vendor Specific Block,
4675          * search it from all data blocks of CEA extension.
4676          */
4677         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4678                 if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4679                         return true;
4680         }
4681
4682         return false;
4683 }
4684 EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4685
4686 /**
4687  * drm_detect_monitor_audio - check monitor audio capability
4688  * @edid: EDID block to scan
4689  *
4690  * Monitor should have CEA extension block.
4691  * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
4692  * audio' only. If there is any audio extension block and supported
4693  * audio format, assume at least 'basic audio' support, even if 'basic
4694  * audio' is not defined in EDID.
4695  *
4696  * Return: True if the monitor supports audio, false otherwise.
4697  */
4698 bool drm_detect_monitor_audio(struct edid *edid)
4699 {
4700         u8 *edid_ext;
4701         int i, j;
4702         bool has_audio = false;
4703         int start_offset, end_offset;
4704
4705         edid_ext = drm_find_cea_extension(edid);
4706         if (!edid_ext)
4707                 goto end;
4708
4709         has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0);
4710
4711         if (has_audio) {
4712                 DRM_DEBUG_KMS("Monitor has basic audio support\n");
4713                 goto end;
4714         }
4715
4716         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4717                 goto end;
4718
4719         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4720                 if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4721                         has_audio = true;
4722                         for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4723                                 DRM_DEBUG_KMS("CEA audio format %d\n",
4724                                               (edid_ext[i + j] >> 3) & 0xf);
4725                         goto end;
4726                 }
4727         }
4728 end:
4729         return has_audio;
4730 }
4731 EXPORT_SYMBOL(drm_detect_monitor_audio);
4732
4733
4734 /**
4735  * drm_default_rgb_quant_range - default RGB quantization range
4736  * @mode: display mode
4737  *
4738  * Determine the default RGB quantization range for the mode,
4739  * as specified in CEA-861.
4740  *
4741  * Return: The default RGB quantization range for the mode
4742  */
4743 enum hdmi_quantization_range
4744 drm_default_rgb_quant_range(const struct drm_display_mode *mode)
4745 {
4746         /* All CEA modes other than VIC 1 use limited quantization range. */
4747         return drm_match_cea_mode(mode) > 1 ?
4748                 HDMI_QUANTIZATION_RANGE_LIMITED :
4749                 HDMI_QUANTIZATION_RANGE_FULL;
4750 }
4751 EXPORT_SYMBOL(drm_default_rgb_quant_range);
4752
4753 static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
4754 {
4755         struct drm_display_info *info = &connector->display_info;
4756
4757         DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]);
4758
4759         if (db[2] & EDID_CEA_VCDB_QS)
4760                 info->rgb_quant_range_selectable = true;
4761 }
4762
4763 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4764                                                const u8 *db)
4765 {
4766         u8 dc_mask;
4767         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4768
4769         dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4770         hdmi->y420_dc_modes = dc_mask;
4771 }
4772
4773 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4774                                  const u8 *hf_vsdb)
4775 {
4776         struct drm_display_info *display = &connector->display_info;
4777         struct drm_hdmi_info *hdmi = &display->hdmi;
4778
4779         display->has_hdmi_infoframe = true;
4780
4781         if (hf_vsdb[6] & 0x80) {
4782                 hdmi->scdc.supported = true;
4783                 if (hf_vsdb[6] & 0x40)
4784                         hdmi->scdc.read_request = true;
4785         }
4786
4787         /*
4788          * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4789          * And as per the spec, three factors confirm this:
4790          * * Availability of a HF-VSDB block in EDID (check)
4791          * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4792          * * SCDC support available (let's check)
4793          * Lets check it out.
4794          */
4795
4796         if (hf_vsdb[5]) {
4797                 /* max clock is 5000 KHz times block value */
4798                 u32 max_tmds_clock = hf_vsdb[5] * 5000;
4799                 struct drm_scdc *scdc = &hdmi->scdc;
4800
4801                 if (max_tmds_clock > 340000) {
4802                         display->max_tmds_clock = max_tmds_clock;
4803                         DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4804                                 display->max_tmds_clock);
4805                 }
4806
4807                 if (scdc->supported) {
4808                         scdc->scrambling.supported = true;
4809
4810                         /* Few sinks support scrambling for clocks < 340M */
4811                         if ((hf_vsdb[6] & 0x8))
4812                                 scdc->scrambling.low_rates = true;
4813                 }
4814         }
4815
4816         drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
4817 }
4818
4819 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
4820                                            const u8 *hdmi)
4821 {
4822         struct drm_display_info *info = &connector->display_info;
4823         unsigned int dc_bpc = 0;
4824
4825         /* HDMI supports at least 8 bpc */
4826         info->bpc = 8;
4827
4828         if (cea_db_payload_len(hdmi) < 6)
4829                 return;
4830
4831         if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
4832                 dc_bpc = 10;
4833                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
4834                 DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
4835                           connector->name);
4836         }
4837
4838         if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
4839                 dc_bpc = 12;
4840                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
4841                 DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
4842                           connector->name);
4843         }
4844
4845         if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
4846                 dc_bpc = 16;
4847                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
4848                 DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
4849                           connector->name);
4850         }
4851
4852         if (dc_bpc == 0) {
4853                 DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
4854                           connector->name);
4855                 return;
4856         }
4857
4858         DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
4859                   connector->name, dc_bpc);
4860         info->bpc = dc_bpc;
4861
4862         /*
4863          * Deep color support mandates RGB444 support for all video
4864          * modes and forbids YCRCB422 support for all video modes per
4865          * HDMI 1.3 spec.
4866          */
4867         info->color_formats = DRM_COLOR_FORMAT_RGB444;
4868
4869         /* YCRCB444 is optional according to spec. */
4870         if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
4871                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4872                 DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
4873                           connector->name);
4874         }
4875
4876         /*
4877          * Spec says that if any deep color mode is supported at all,
4878          * then deep color 36 bit must be supported.
4879          */
4880         if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
4881                 DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
4882                           connector->name);
4883         }
4884 }
4885
4886 static void
4887 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
4888 {
4889         struct drm_display_info *info = &connector->display_info;
4890         u8 len = cea_db_payload_len(db);
4891
4892         info->is_hdmi = true;
4893
4894         if (len >= 6)
4895                 info->dvi_dual = db[6] & 1;
4896         if (len >= 7)
4897                 info->max_tmds_clock = db[7] * 5000;
4898
4899         DRM_DEBUG_KMS("HDMI: DVI dual %d, "
4900                       "max TMDS clock %d kHz\n",
4901                       info->dvi_dual,
4902                       info->max_tmds_clock);
4903
4904         drm_parse_hdmi_deep_color_info(connector, db);
4905 }
4906
4907 static void drm_parse_cea_ext(struct drm_connector *connector,
4908                               const struct edid *edid)
4909 {
4910         struct drm_display_info *info = &connector->display_info;
4911         const u8 *edid_ext;
4912         int i, start, end;
4913
4914         edid_ext = drm_find_cea_extension(edid);
4915         if (!edid_ext)
4916                 return;
4917
4918         info->cea_rev = edid_ext[1];
4919
4920         /* The existence of a CEA block should imply RGB support */
4921         info->color_formats = DRM_COLOR_FORMAT_RGB444;
4922         if (edid_ext[3] & EDID_CEA_YCRCB444)
4923                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4924         if (edid_ext[3] & EDID_CEA_YCRCB422)
4925                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
4926
4927         if (cea_db_offsets(edid_ext, &start, &end))
4928                 return;
4929
4930         for_each_cea_db(edid_ext, i, start, end) {
4931                 const u8 *db = &edid_ext[i];
4932
4933                 if (cea_db_is_hdmi_vsdb(db))
4934                         drm_parse_hdmi_vsdb_video(connector, db);
4935                 if (cea_db_is_hdmi_forum_vsdb(db))
4936                         drm_parse_hdmi_forum_vsdb(connector, db);
4937                 if (cea_db_is_y420cmdb(db))
4938                         drm_parse_y420cmdb_bitmap(connector, db);
4939                 if (cea_db_is_vcdb(db))
4940                         drm_parse_vcdb(connector, db);
4941                 if (cea_db_is_hdmi_hdr_metadata_block(db))
4942                         drm_parse_hdr_metadata_block(connector, db);
4943         }
4944 }
4945
4946 static
4947 void get_monitor_range(struct detailed_timing *timing,
4948                        void *info_monitor_range)
4949 {
4950         struct drm_monitor_range_info *monitor_range = info_monitor_range;
4951         const struct detailed_non_pixel *data = &timing->data.other_data;
4952         const struct detailed_data_monitor_range *range = &data->data.range;
4953
4954         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
4955                 return;
4956
4957         /*
4958          * Check for flag range limits only. If flag == 1 then
4959          * no additional timing information provided.
4960          * Default GTF, GTF Secondary curve and CVT are not
4961          * supported
4962          */
4963         if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
4964                 return;
4965
4966         monitor_range->min_vfreq = range->min_vfreq;
4967         monitor_range->max_vfreq = range->max_vfreq;
4968 }
4969
4970 static
4971 void drm_get_monitor_range(struct drm_connector *connector,
4972                            const struct edid *edid)
4973 {
4974         struct drm_display_info *info = &connector->display_info;
4975
4976         if (!version_greater(edid, 1, 1))
4977                 return;
4978
4979         drm_for_each_detailed_block((u8 *)edid, get_monitor_range,
4980                                     &info->monitor_range);
4981
4982         DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
4983                       info->monitor_range.min_vfreq,
4984                       info->monitor_range.max_vfreq);
4985 }
4986
4987 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
4988  * all of the values which would have been set from EDID
4989  */
4990 void
4991 drm_reset_display_info(struct drm_connector *connector)
4992 {
4993         struct drm_display_info *info = &connector->display_info;
4994
4995         info->width_mm = 0;
4996         info->height_mm = 0;
4997
4998         info->bpc = 0;
4999         info->color_formats = 0;
5000         info->cea_rev = 0;
5001         info->max_tmds_clock = 0;
5002         info->dvi_dual = false;
5003         info->is_hdmi = false;
5004         info->has_hdmi_infoframe = false;
5005         info->rgb_quant_range_selectable = false;
5006         memset(&info->hdmi, 0, sizeof(info->hdmi));
5007
5008         info->non_desktop = 0;
5009         memset(&info->monitor_range, 0, sizeof(info->monitor_range));
5010 }
5011
5012 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
5013 {
5014         struct drm_display_info *info = &connector->display_info;
5015
5016         u32 quirks = edid_get_quirks(edid);
5017
5018         drm_reset_display_info(connector);
5019
5020         info->width_mm = edid->width_cm * 10;
5021         info->height_mm = edid->height_cm * 10;
5022
5023         info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
5024
5025         drm_get_monitor_range(connector, edid);
5026
5027         DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
5028
5029         if (edid->revision < 3)
5030                 return quirks;
5031
5032         if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
5033                 return quirks;
5034
5035         drm_parse_cea_ext(connector, edid);
5036
5037         /*
5038          * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
5039          *
5040          * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
5041          * tells us to assume 8 bpc color depth if the EDID doesn't have
5042          * extensions which tell otherwise.
5043          */
5044         if (info->bpc == 0 && edid->revision == 3 &&
5045             edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
5046                 info->bpc = 8;
5047                 DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
5048                           connector->name, info->bpc);
5049         }
5050
5051         /* Only defined for 1.4 with digital displays */
5052         if (edid->revision < 4)
5053                 return quirks;
5054
5055         switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
5056         case DRM_EDID_DIGITAL_DEPTH_6:
5057                 info->bpc = 6;
5058                 break;
5059         case DRM_EDID_DIGITAL_DEPTH_8:
5060                 info->bpc = 8;
5061                 break;
5062         case DRM_EDID_DIGITAL_DEPTH_10:
5063                 info->bpc = 10;
5064                 break;
5065         case DRM_EDID_DIGITAL_DEPTH_12:
5066                 info->bpc = 12;
5067                 break;
5068         case DRM_EDID_DIGITAL_DEPTH_14:
5069                 info->bpc = 14;
5070                 break;
5071         case DRM_EDID_DIGITAL_DEPTH_16:
5072                 info->bpc = 16;
5073                 break;
5074         case DRM_EDID_DIGITAL_DEPTH_UNDEF:
5075         default:
5076                 info->bpc = 0;
5077                 break;
5078         }
5079
5080         DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
5081                           connector->name, info->bpc);
5082
5083         info->color_formats |= DRM_COLOR_FORMAT_RGB444;
5084         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
5085                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5086         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
5087                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5088         return quirks;
5089 }
5090
5091 static int validate_displayid(u8 *displayid, int length, int idx)
5092 {
5093         int i, dispid_length;
5094         u8 csum = 0;
5095         struct displayid_hdr *base;
5096
5097         base = (struct displayid_hdr *)&displayid[idx];
5098
5099         DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n",
5100                       base->rev, base->bytes, base->prod_id, base->ext_count);
5101
5102         /* +1 for DispID checksum */
5103         dispid_length = sizeof(*base) + base->bytes + 1;
5104         if (dispid_length > length - idx)
5105                 return -EINVAL;
5106
5107         for (i = 0; i < dispid_length; i++)
5108                 csum += displayid[idx + i];
5109         if (csum) {
5110                 DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum);
5111                 return -EINVAL;
5112         }
5113
5114         return 0;
5115 }
5116
5117 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5118                                                             struct displayid_detailed_timings_1 *timings)
5119 {
5120         struct drm_display_mode *mode;
5121         unsigned pixel_clock = (timings->pixel_clock[0] |
5122                                 (timings->pixel_clock[1] << 8) |
5123                                 (timings->pixel_clock[2] << 16));
5124         unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5125         unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5126         unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5127         unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5128         unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5129         unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5130         unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5131         unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5132         bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5133         bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5134         mode = drm_mode_create(dev);
5135         if (!mode)
5136                 return NULL;
5137
5138         mode->clock = pixel_clock * 10;
5139         mode->hdisplay = hactive;
5140         mode->hsync_start = mode->hdisplay + hsync;
5141         mode->hsync_end = mode->hsync_start + hsync_width;
5142         mode->htotal = mode->hdisplay + hblank;
5143
5144         mode->vdisplay = vactive;
5145         mode->vsync_start = mode->vdisplay + vsync;
5146         mode->vsync_end = mode->vsync_start + vsync_width;
5147         mode->vtotal = mode->vdisplay + vblank;
5148
5149         mode->flags = 0;
5150         mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5151         mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5152         mode->type = DRM_MODE_TYPE_DRIVER;
5153
5154         if (timings->flags & 0x80)
5155                 mode->type |= DRM_MODE_TYPE_PREFERRED;
5156         mode->vrefresh = drm_mode_vrefresh(mode);
5157         drm_mode_set_name(mode);
5158
5159         return mode;
5160 }
5161
5162 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5163                                           struct displayid_block *block)
5164 {
5165         struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5166         int i;
5167         int num_timings;
5168         struct drm_display_mode *newmode;
5169         int num_modes = 0;
5170         /* blocks must be multiple of 20 bytes length */
5171         if (block->num_bytes % 20)
5172                 return 0;
5173
5174         num_timings = block->num_bytes / 20;
5175         for (i = 0; i < num_timings; i++) {
5176                 struct displayid_detailed_timings_1 *timings = &det->timings[i];
5177
5178                 newmode = drm_mode_displayid_detailed(connector->dev, timings);
5179                 if (!newmode)
5180                         continue;
5181
5182                 drm_mode_probed_add(connector, newmode);
5183                 num_modes++;
5184         }
5185         return num_modes;
5186 }
5187
5188 static int add_displayid_detailed_modes(struct drm_connector *connector,
5189                                         struct edid *edid)
5190 {
5191         u8 *displayid;
5192         int length, idx;
5193         struct displayid_block *block;
5194         int num_modes = 0;
5195
5196         displayid = drm_find_displayid_extension(edid, &length, &idx);
5197         if (!displayid)
5198                 return 0;
5199
5200         idx += sizeof(struct displayid_hdr);
5201         for_each_displayid_db(displayid, block, idx, length) {
5202                 switch (block->tag) {
5203                 case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5204                         num_modes += add_displayid_detailed_1_modes(connector, block);
5205                         break;
5206                 }
5207         }
5208         return num_modes;
5209 }
5210
5211 /**
5212  * drm_add_edid_modes - add modes from EDID data, if available
5213  * @connector: connector we're probing
5214  * @edid: EDID data
5215  *
5216  * Add the specified modes to the connector's mode list. Also fills out the
5217  * &drm_display_info structure and ELD in @connector with any information which
5218  * can be derived from the edid.
5219  *
5220  * Return: The number of modes added or 0 if we couldn't find any.
5221  */
5222 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5223 {
5224         int num_modes = 0;
5225         u32 quirks;
5226
5227         if (edid == NULL) {
5228                 clear_eld(connector);
5229                 return 0;
5230         }
5231         if (!drm_edid_is_valid(edid)) {
5232                 clear_eld(connector);
5233                 dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
5234                          connector->name);
5235                 return 0;
5236         }
5237
5238         drm_edid_to_eld(connector, edid);
5239
5240         /*
5241          * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5242          * To avoid multiple parsing of same block, lets parse that map
5243          * from sink info, before parsing CEA modes.
5244          */
5245         quirks = drm_add_display_info(connector, edid);
5246
5247         /*
5248          * EDID spec says modes should be preferred in this order:
5249          * - preferred detailed mode
5250          * - other detailed modes from base block
5251          * - detailed modes from extension blocks
5252          * - CVT 3-byte code modes
5253          * - standard timing codes
5254          * - established timing codes
5255          * - modes inferred from GTF or CVT range information
5256          *
5257          * We get this pretty much right.
5258          *
5259          * XXX order for additional mode types in extension blocks?
5260          */
5261         num_modes += add_detailed_modes(connector, edid, quirks);
5262         num_modes += add_cvt_modes(connector, edid);
5263         num_modes += add_standard_modes(connector, edid);
5264         num_modes += add_established_modes(connector, edid);
5265         num_modes += add_cea_modes(connector, edid);
5266         num_modes += add_alternate_cea_modes(connector, edid);
5267         num_modes += add_displayid_detailed_modes(connector, edid);
5268         if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5269                 num_modes += add_inferred_modes(connector, edid);
5270
5271         if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5272                 edid_fixup_preferred(connector, quirks);
5273
5274         if (quirks & EDID_QUIRK_FORCE_6BPC)
5275                 connector->display_info.bpc = 6;
5276
5277         if (quirks & EDID_QUIRK_FORCE_8BPC)
5278                 connector->display_info.bpc = 8;
5279
5280         if (quirks & EDID_QUIRK_FORCE_10BPC)
5281                 connector->display_info.bpc = 10;
5282
5283         if (quirks & EDID_QUIRK_FORCE_12BPC)
5284                 connector->display_info.bpc = 12;
5285
5286         return num_modes;
5287 }
5288 EXPORT_SYMBOL(drm_add_edid_modes);
5289
5290 /**
5291  * drm_add_modes_noedid - add modes for the connectors without EDID
5292  * @connector: connector we're probing
5293  * @hdisplay: the horizontal display limit
5294  * @vdisplay: the vertical display limit
5295  *
5296  * Add the specified modes to the connector's mode list. Only when the
5297  * hdisplay/vdisplay is not beyond the given limit, it will be added.
5298  *
5299  * Return: The number of modes added or 0 if we couldn't find any.
5300  */
5301 int drm_add_modes_noedid(struct drm_connector *connector,
5302                         int hdisplay, int vdisplay)
5303 {
5304         int i, count, num_modes = 0;
5305         struct drm_display_mode *mode;
5306         struct drm_device *dev = connector->dev;
5307
5308         count = ARRAY_SIZE(drm_dmt_modes);
5309         if (hdisplay < 0)
5310                 hdisplay = 0;
5311         if (vdisplay < 0)
5312                 vdisplay = 0;
5313
5314         for (i = 0; i < count; i++) {
5315                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5316                 if (hdisplay && vdisplay) {
5317                         /*
5318                          * Only when two are valid, they will be used to check
5319                          * whether the mode should be added to the mode list of
5320                          * the connector.
5321                          */
5322                         if (ptr->hdisplay > hdisplay ||
5323                                         ptr->vdisplay > vdisplay)
5324                                 continue;
5325                 }
5326                 if (drm_mode_vrefresh(ptr) > 61)
5327                         continue;
5328                 mode = drm_mode_duplicate(dev, ptr);
5329                 if (mode) {
5330                         drm_mode_probed_add(connector, mode);
5331                         num_modes++;
5332                 }
5333         }
5334         return num_modes;
5335 }
5336 EXPORT_SYMBOL(drm_add_modes_noedid);
5337
5338 /**
5339  * drm_set_preferred_mode - Sets the preferred mode of a connector
5340  * @connector: connector whose mode list should be processed
5341  * @hpref: horizontal resolution of preferred mode
5342  * @vpref: vertical resolution of preferred mode
5343  *
5344  * Marks a mode as preferred if it matches the resolution specified by @hpref
5345  * and @vpref.
5346  */
5347 void drm_set_preferred_mode(struct drm_connector *connector,
5348                            int hpref, int vpref)
5349 {
5350         struct drm_display_mode *mode;
5351
5352         list_for_each_entry(mode, &connector->probed_modes, head) {
5353                 if (mode->hdisplay == hpref &&
5354                     mode->vdisplay == vpref)
5355                         mode->type |= DRM_MODE_TYPE_PREFERRED;
5356         }
5357 }
5358 EXPORT_SYMBOL(drm_set_preferred_mode);
5359
5360 static bool is_hdmi2_sink(struct drm_connector *connector)
5361 {
5362         /*
5363          * FIXME: sil-sii8620 doesn't have a connector around when
5364          * we need one, so we have to be prepared for a NULL connector.
5365          */
5366         if (!connector)
5367                 return true;
5368
5369         return connector->display_info.hdmi.scdc.supported ||
5370                 connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420;
5371 }
5372
5373 static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
5374 {
5375         return sink_eotf & BIT(output_eotf);
5376 }
5377
5378 /**
5379  * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
5380  *                                         HDR metadata from userspace
5381  * @frame: HDMI DRM infoframe
5382  * @conn_state: Connector state containing HDR metadata
5383  *
5384  * Return: 0 on success or a negative error code on failure.
5385  */
5386 int
5387 drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
5388                                     const struct drm_connector_state *conn_state)
5389 {
5390         struct drm_connector *connector;
5391         struct hdr_output_metadata *hdr_metadata;
5392         int err;
5393
5394         if (!frame || !conn_state)
5395                 return -EINVAL;
5396
5397         connector = conn_state->connector;
5398
5399         if (!conn_state->hdr_output_metadata)
5400                 return -EINVAL;
5401
5402         hdr_metadata = conn_state->hdr_output_metadata->data;
5403
5404         if (!hdr_metadata || !connector)
5405                 return -EINVAL;
5406
5407         /* Sink EOTF is Bit map while infoframe is absolute values */
5408         if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
5409             connector->hdr_sink_metadata.hdmi_type1.eotf)) {
5410                 DRM_DEBUG_KMS("EOTF Not Supported\n");
5411                 return -EINVAL;
5412         }
5413
5414         err = hdmi_drm_infoframe_init(frame);
5415         if (err < 0)
5416                 return err;
5417
5418         frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
5419         frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
5420
5421         BUILD_BUG_ON(sizeof(frame->display_primaries) !=
5422                      sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
5423         BUILD_BUG_ON(sizeof(frame->white_point) !=
5424                      sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
5425
5426         memcpy(&frame->display_primaries,
5427                &hdr_metadata->hdmi_metadata_type1.display_primaries,
5428                sizeof(frame->display_primaries));
5429
5430         memcpy(&frame->white_point,
5431                &hdr_metadata->hdmi_metadata_type1.white_point,
5432                sizeof(frame->white_point));
5433
5434         frame->max_display_mastering_luminance =
5435                 hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
5436         frame->min_display_mastering_luminance =
5437                 hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
5438         frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
5439         frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
5440
5441         return 0;
5442 }
5443 EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
5444
5445 static u8 drm_mode_hdmi_vic(struct drm_connector *connector,
5446                             const struct drm_display_mode *mode)
5447 {
5448         bool has_hdmi_infoframe = connector ?
5449                 connector->display_info.has_hdmi_infoframe : false;
5450
5451         if (!has_hdmi_infoframe)
5452                 return 0;
5453
5454         /* No HDMI VIC when signalling 3D video format */
5455         if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5456                 return 0;
5457
5458         return drm_match_hdmi_mode(mode);
5459 }
5460
5461 static u8 drm_mode_cea_vic(struct drm_connector *connector,
5462                            const struct drm_display_mode *mode)
5463 {
5464         u8 vic;
5465
5466         /*
5467          * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5468          * we should send its VIC in vendor infoframes, else send the
5469          * VIC in AVI infoframes. Lets check if this mode is present in
5470          * HDMI 1.4b 4K modes
5471          */
5472         if (drm_mode_hdmi_vic(connector, mode))
5473                 return 0;
5474
5475         vic = drm_match_cea_mode(mode);
5476
5477         /*
5478          * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5479          * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5480          * have to make sure we dont break HDMI 1.4 sinks.
5481          */
5482         if (!is_hdmi2_sink(connector) && vic > 64)
5483                 return 0;
5484
5485         return vic;
5486 }
5487
5488 /**
5489  * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5490  *                                              data from a DRM display mode
5491  * @frame: HDMI AVI infoframe
5492  * @connector: the connector
5493  * @mode: DRM display mode
5494  *
5495  * Return: 0 on success or a negative error code on failure.
5496  */
5497 int
5498 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5499                                          struct drm_connector *connector,
5500                                          const struct drm_display_mode *mode)
5501 {
5502         enum hdmi_picture_aspect picture_aspect;
5503         u8 vic, hdmi_vic;
5504
5505         if (!frame || !mode)
5506                 return -EINVAL;
5507
5508         hdmi_avi_infoframe_init(frame);
5509
5510         if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5511                 frame->pixel_repeat = 1;
5512
5513         vic = drm_mode_cea_vic(connector, mode);
5514         hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5515
5516         frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5517
5518         /*
5519          * As some drivers don't support atomic, we can't use connector state.
5520          * So just initialize the frame with default values, just the same way
5521          * as it's done with other properties here.
5522          */
5523         frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5524         frame->itc = 0;
5525
5526         /*
5527          * Populate picture aspect ratio from either
5528          * user input (if specified) or from the CEA/HDMI mode lists.
5529          */
5530         picture_aspect = mode->picture_aspect_ratio;
5531         if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5532                 if (vic)
5533                         picture_aspect = drm_get_cea_aspect_ratio(vic);
5534                 else if (hdmi_vic)
5535                         picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5536         }
5537
5538         /*
5539          * The infoframe can't convey anything but none, 4:3
5540          * and 16:9, so if the user has asked for anything else
5541          * we can only satisfy it by specifying the right VIC.
5542          */
5543         if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5544                 if (vic) {
5545                         if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5546                                 return -EINVAL;
5547                 } else if (hdmi_vic) {
5548                         if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5549                                 return -EINVAL;
5550                 } else {
5551                         return -EINVAL;
5552                 }
5553
5554                 picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5555         }
5556
5557         frame->video_code = vic;
5558         frame->picture_aspect = picture_aspect;
5559         frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5560         frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5561
5562         return 0;
5563 }
5564 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5565
5566 /* HDMI Colorspace Spec Definitions */
5567 #define FULL_COLORIMETRY_MASK           0x1FF
5568 #define NORMAL_COLORIMETRY_MASK         0x3
5569 #define EXTENDED_COLORIMETRY_MASK       0x7
5570 #define EXTENDED_ACE_COLORIMETRY_MASK   0xF
5571
5572 #define C(x) ((x) << 0)
5573 #define EC(x) ((x) << 2)
5574 #define ACE(x) ((x) << 5)
5575
5576 #define HDMI_COLORIMETRY_NO_DATA                0x0
5577 #define HDMI_COLORIMETRY_SMPTE_170M_YCC         (C(1) | EC(0) | ACE(0))
5578 #define HDMI_COLORIMETRY_BT709_YCC              (C(2) | EC(0) | ACE(0))
5579 #define HDMI_COLORIMETRY_XVYCC_601              (C(3) | EC(0) | ACE(0))
5580 #define HDMI_COLORIMETRY_XVYCC_709              (C(3) | EC(1) | ACE(0))
5581 #define HDMI_COLORIMETRY_SYCC_601               (C(3) | EC(2) | ACE(0))
5582 #define HDMI_COLORIMETRY_OPYCC_601              (C(3) | EC(3) | ACE(0))
5583 #define HDMI_COLORIMETRY_OPRGB                  (C(3) | EC(4) | ACE(0))
5584 #define HDMI_COLORIMETRY_BT2020_CYCC            (C(3) | EC(5) | ACE(0))
5585 #define HDMI_COLORIMETRY_BT2020_RGB             (C(3) | EC(6) | ACE(0))
5586 #define HDMI_COLORIMETRY_BT2020_YCC             (C(3) | EC(6) | ACE(0))
5587 #define HDMI_COLORIMETRY_DCI_P3_RGB_D65         (C(3) | EC(7) | ACE(0))
5588 #define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER     (C(3) | EC(7) | ACE(1))
5589
5590 static const u32 hdmi_colorimetry_val[] = {
5591         [DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
5592         [DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
5593         [DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
5594         [DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
5595         [DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
5596         [DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
5597         [DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
5598         [DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
5599         [DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
5600         [DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
5601         [DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
5602 };
5603
5604 #undef C
5605 #undef EC
5606 #undef ACE
5607
5608 /**
5609  * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe
5610  *                                       colorspace information
5611  * @frame: HDMI AVI infoframe
5612  * @conn_state: connector state
5613  */
5614 void
5615 drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
5616                                   const struct drm_connector_state *conn_state)
5617 {
5618         u32 colorimetry_val;
5619         u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
5620
5621         if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
5622                 colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
5623         else
5624                 colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
5625
5626         frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
5627         /*
5628          * ToDo: Extend it for ACE formats as well. Modify the infoframe
5629          * structure and extend it in drivers/video/hdmi
5630          */
5631         frame->extended_colorimetry = (colorimetry_val >> 2) &
5632                                         EXTENDED_COLORIMETRY_MASK;
5633 }
5634 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
5635
5636 /**
5637  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5638  *                                        quantization range information
5639  * @frame: HDMI AVI infoframe
5640  * @connector: the connector
5641  * @mode: DRM display mode
5642  * @rgb_quant_range: RGB quantization range (Q)
5643  */
5644 void
5645 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5646                                    struct drm_connector *connector,
5647                                    const struct drm_display_mode *mode,
5648                                    enum hdmi_quantization_range rgb_quant_range)
5649 {
5650         const struct drm_display_info *info = &connector->display_info;
5651
5652         /*
5653          * CEA-861:
5654          * "A Source shall not send a non-zero Q value that does not correspond
5655          *  to the default RGB Quantization Range for the transmitted Picture
5656          *  unless the Sink indicates support for the Q bit in a Video
5657          *  Capabilities Data Block."
5658          *
5659          * HDMI 2.0 recommends sending non-zero Q when it does match the
5660          * default RGB quantization range for the mode, even when QS=0.
5661          */
5662         if (info->rgb_quant_range_selectable ||
5663             rgb_quant_range == drm_default_rgb_quant_range(mode))
5664                 frame->quantization_range = rgb_quant_range;
5665         else
5666                 frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5667
5668         /*
5669          * CEA-861-F:
5670          * "When transmitting any RGB colorimetry, the Source should set the
5671          *  YQ-field to match the RGB Quantization Range being transmitted
5672          *  (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5673          *  set YQ=1) and the Sink shall ignore the YQ-field."
5674          *
5675          * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5676          * by non-zero YQ when receiving RGB. There doesn't seem to be any
5677          * good way to tell which version of CEA-861 the sink supports, so
5678          * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5679          * on on CEA-861-F.
5680          */
5681         if (!is_hdmi2_sink(connector) ||
5682             rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5683                 frame->ycc_quantization_range =
5684                         HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5685         else
5686                 frame->ycc_quantization_range =
5687                         HDMI_YCC_QUANTIZATION_RANGE_FULL;
5688 }
5689 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5690
5691 /**
5692  * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
5693  *                                 bar information
5694  * @frame: HDMI AVI infoframe
5695  * @conn_state: connector state
5696  */
5697 void
5698 drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
5699                             const struct drm_connector_state *conn_state)
5700 {
5701         frame->right_bar = conn_state->tv.margins.right;
5702         frame->left_bar = conn_state->tv.margins.left;
5703         frame->top_bar = conn_state->tv.margins.top;
5704         frame->bottom_bar = conn_state->tv.margins.bottom;
5705 }
5706 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
5707
5708 static enum hdmi_3d_structure
5709 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5710 {
5711         u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5712
5713         switch (layout) {
5714         case DRM_MODE_FLAG_3D_FRAME_PACKING:
5715                 return HDMI_3D_STRUCTURE_FRAME_PACKING;
5716         case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
5717                 return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
5718         case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
5719                 return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
5720         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
5721                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
5722         case DRM_MODE_FLAG_3D_L_DEPTH:
5723                 return HDMI_3D_STRUCTURE_L_DEPTH;
5724         case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
5725                 return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
5726         case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
5727                 return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
5728         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
5729                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
5730         default:
5731                 return HDMI_3D_STRUCTURE_INVALID;
5732         }
5733 }
5734
5735 /**
5736  * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
5737  * data from a DRM display mode
5738  * @frame: HDMI vendor infoframe
5739  * @connector: the connector
5740  * @mode: DRM display mode
5741  *
5742  * Note that there's is a need to send HDMI vendor infoframes only when using a
5743  * 4k or stereoscopic 3D mode. So when giving any other mode as input this
5744  * function will return -EINVAL, error that can be safely ignored.
5745  *
5746  * Return: 0 on success or a negative error code on failure.
5747  */
5748 int
5749 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5750                                             struct drm_connector *connector,
5751                                             const struct drm_display_mode *mode)
5752 {
5753         /*
5754          * FIXME: sil-sii8620 doesn't have a connector around when
5755          * we need one, so we have to be prepared for a NULL connector.
5756          */
5757         bool has_hdmi_infoframe = connector ?
5758                 connector->display_info.has_hdmi_infoframe : false;
5759         int err;
5760
5761         if (!frame || !mode)
5762                 return -EINVAL;
5763
5764         if (!has_hdmi_infoframe)
5765                 return -EINVAL;
5766
5767         err = hdmi_vendor_infoframe_init(frame);
5768         if (err < 0)
5769                 return err;
5770
5771         /*
5772          * Even if it's not absolutely necessary to send the infoframe
5773          * (ie.vic==0 and s3d_struct==0) we will still send it if we
5774          * know that the sink can handle it. This is based on a
5775          * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
5776          * have trouble realizing that they shuld switch from 3D to 2D
5777          * mode if the source simply stops sending the infoframe when
5778          * it wants to switch from 3D to 2D.
5779          */
5780         frame->vic = drm_mode_hdmi_vic(connector, mode);
5781         frame->s3d_struct = s3d_structure_from_display_mode(mode);
5782
5783         return 0;
5784 }
5785 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5786
5787 static int drm_parse_tiled_block(struct drm_connector *connector,
5788                                  const struct displayid_block *block)
5789 {
5790         const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
5791         u16 w, h;
5792         u8 tile_v_loc, tile_h_loc;
5793         u8 num_v_tile, num_h_tile;
5794         struct drm_tile_group *tg;
5795
5796         w = tile->tile_size[0] | tile->tile_size[1] << 8;
5797         h = tile->tile_size[2] | tile->tile_size[3] << 8;
5798
5799         num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
5800         num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
5801         tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
5802         tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
5803
5804         connector->has_tile = true;
5805         if (tile->tile_cap & 0x80)
5806                 connector->tile_is_single_monitor = true;
5807
5808         connector->num_h_tile = num_h_tile + 1;
5809         connector->num_v_tile = num_v_tile + 1;
5810         connector->tile_h_loc = tile_h_loc;
5811         connector->tile_v_loc = tile_v_loc;
5812         connector->tile_h_size = w + 1;
5813         connector->tile_v_size = h + 1;
5814
5815         DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
5816         DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
5817         DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
5818                       num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
5819         DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
5820
5821         tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
5822         if (!tg) {
5823                 tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
5824         }
5825         if (!tg)
5826                 return -ENOMEM;
5827
5828         if (connector->tile_group != tg) {
5829                 /* if we haven't got a pointer,
5830                    take the reference, drop ref to old tile group */
5831                 if (connector->tile_group) {
5832                         drm_mode_put_tile_group(connector->dev, connector->tile_group);
5833                 }
5834                 connector->tile_group = tg;
5835         } else
5836                 /* if same tile group, then release the ref we just took. */
5837                 drm_mode_put_tile_group(connector->dev, tg);
5838         return 0;
5839 }
5840
5841 static int drm_displayid_parse_tiled(struct drm_connector *connector,
5842                                      const u8 *displayid, int length, int idx)
5843 {
5844         const struct displayid_block *block;
5845         int ret;
5846
5847         idx += sizeof(struct displayid_hdr);
5848         for_each_displayid_db(displayid, block, idx, length) {
5849                 DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n",
5850                               block->tag, block->rev, block->num_bytes);
5851
5852                 switch (block->tag) {
5853                 case DATA_BLOCK_TILED_DISPLAY:
5854                         ret = drm_parse_tiled_block(connector, block);
5855                         if (ret)
5856                                 return ret;
5857                         break;
5858                 default:
5859                         DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag);
5860                         break;
5861                 }
5862         }
5863         return 0;
5864 }
5865
5866 void drm_update_tile_info(struct drm_connector *connector,
5867                           const struct edid *edid)
5868 {
5869         const void *displayid = NULL;
5870         int length, idx;
5871         int ret;
5872
5873         connector->has_tile = false;
5874         displayid = drm_find_displayid_extension(edid, &length, &idx);
5875         if (!displayid) {
5876                 /* drop reference to any tile group we had */
5877                 goto out_drop_ref;
5878         }
5879
5880         ret = drm_displayid_parse_tiled(connector, displayid, length, idx);
5881         if (ret < 0)
5882                 goto out_drop_ref;
5883         if (!connector->has_tile)
5884                 goto out_drop_ref;
5885         return;
5886 out_drop_ref:
5887         if (connector->tile_group) {
5888                 drm_mode_put_tile_group(connector->dev, connector->tile_group);
5889                 connector->tile_group = NULL;
5890         }
5891         return;
5892 }