Merge tag 'drm-misc-next-2021-01-19' of git://anongit.freedesktop.org/drm/drm-misc...
[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/pci.h>
36 #include <linux/slab.h>
37 #include <linux/vga_switcheroo.h>
38
39 #include <drm/drm_displayid.h>
40 #include <drm/drm_drv.h>
41 #include <drm/drm_edid.h>
42 #include <drm/drm_encoder.h>
43 #include <drm/drm_print.h>
44 #include <drm/drm_scdc_helper.h>
45
46 #include "drm_crtc_internal.h"
47
48 #define version_greater(edid, maj, min) \
49         (((edid)->version > (maj)) || \
50          ((edid)->version == (maj) && (edid)->revision > (min)))
51
52 #define EDID_EST_TIMINGS 16
53 #define EDID_STD_TIMINGS 8
54 #define EDID_DETAILED_TIMINGS 4
55
56 /*
57  * EDID blocks out in the wild have a variety of bugs, try to collect
58  * them here (note that userspace may work around broken monitors first,
59  * but fixes should make their way here so that the kernel "just works"
60  * on as many displays as possible).
61  */
62
63 /* First detailed mode wrong, use largest 60Hz mode */
64 #define EDID_QUIRK_PREFER_LARGE_60              (1 << 0)
65 /* Reported 135MHz pixel clock is too high, needs adjustment */
66 #define EDID_QUIRK_135_CLOCK_TOO_HIGH           (1 << 1)
67 /* Prefer the largest mode at 75 Hz */
68 #define EDID_QUIRK_PREFER_LARGE_75              (1 << 2)
69 /* Detail timing is in cm not mm */
70 #define EDID_QUIRK_DETAILED_IN_CM               (1 << 3)
71 /* Detailed timing descriptors have bogus size values, so just take the
72  * maximum size and use that.
73  */
74 #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE    (1 << 4)
75 /* use +hsync +vsync for detailed mode */
76 #define EDID_QUIRK_DETAILED_SYNC_PP             (1 << 6)
77 /* Force reduced-blanking timings for detailed modes */
78 #define EDID_QUIRK_FORCE_REDUCED_BLANKING       (1 << 7)
79 /* Force 8bpc */
80 #define EDID_QUIRK_FORCE_8BPC                   (1 << 8)
81 /* Force 12bpc */
82 #define EDID_QUIRK_FORCE_12BPC                  (1 << 9)
83 /* Force 6bpc */
84 #define EDID_QUIRK_FORCE_6BPC                   (1 << 10)
85 /* Force 10bpc */
86 #define EDID_QUIRK_FORCE_10BPC                  (1 << 11)
87 /* Non desktop display (i.e. HMD) */
88 #define EDID_QUIRK_NON_DESKTOP                  (1 << 12)
89
90 struct detailed_mode_closure {
91         struct drm_connector *connector;
92         struct edid *edid;
93         bool preferred;
94         u32 quirks;
95         int modes;
96 };
97
98 #define LEVEL_DMT       0
99 #define LEVEL_GTF       1
100 #define LEVEL_GTF2      2
101 #define LEVEL_CVT       3
102
103 static const struct edid_quirk {
104         char vendor[4];
105         int product_id;
106         u32 quirks;
107 } edid_quirk_list[] = {
108         /* Acer AL1706 */
109         { "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 },
110         /* Acer F51 */
111         { "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 },
112
113         /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
114         { "AEO", 0, EDID_QUIRK_FORCE_6BPC },
115
116         /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
117         { "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC },
118
119         /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
120         { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },
121
122         /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
123         { "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC },
124
125         /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
126         { "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC },
127
128         /* Belinea 10 15 55 */
129         { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 },
130         { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },
131
132         /* Envision Peripherals, Inc. EN-7100e */
133         { "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH },
134         /* Envision EN2028 */
135         { "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 },
136
137         /* Funai Electronics PM36B */
138         { "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 |
139           EDID_QUIRK_DETAILED_IN_CM },
140
141         /* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
142         { "LGD", 764, EDID_QUIRK_FORCE_10BPC },
143
144         /* LG Philips LCD LP154W01-A5 */
145         { "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
146         { "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
147
148         /* Samsung SyncMaster 205BW.  Note: irony */
149         { "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP },
150         /* Samsung SyncMaster 22[5-6]BW */
151         { "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 },
152         { "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 },
153
154         /* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
155         { "SNY", 0x2541, EDID_QUIRK_FORCE_12BPC },
156
157         /* ViewSonic VA2026w */
158         { "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING },
159
160         /* Medion MD 30217 PG */
161         { "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 },
162
163         /* Lenovo G50 */
164         { "SDC", 18514, EDID_QUIRK_FORCE_6BPC },
165
166         /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
167         { "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC },
168
169         /* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
170         { "ETR", 13896, EDID_QUIRK_FORCE_8BPC },
171
172         /* Valve Index Headset */
173         { "VLV", 0x91a8, EDID_QUIRK_NON_DESKTOP },
174         { "VLV", 0x91b0, EDID_QUIRK_NON_DESKTOP },
175         { "VLV", 0x91b1, EDID_QUIRK_NON_DESKTOP },
176         { "VLV", 0x91b2, EDID_QUIRK_NON_DESKTOP },
177         { "VLV", 0x91b3, EDID_QUIRK_NON_DESKTOP },
178         { "VLV", 0x91b4, EDID_QUIRK_NON_DESKTOP },
179         { "VLV", 0x91b5, EDID_QUIRK_NON_DESKTOP },
180         { "VLV", 0x91b6, EDID_QUIRK_NON_DESKTOP },
181         { "VLV", 0x91b7, EDID_QUIRK_NON_DESKTOP },
182         { "VLV", 0x91b8, EDID_QUIRK_NON_DESKTOP },
183         { "VLV", 0x91b9, EDID_QUIRK_NON_DESKTOP },
184         { "VLV", 0x91ba, EDID_QUIRK_NON_DESKTOP },
185         { "VLV", 0x91bb, EDID_QUIRK_NON_DESKTOP },
186         { "VLV", 0x91bc, EDID_QUIRK_NON_DESKTOP },
187         { "VLV", 0x91bd, EDID_QUIRK_NON_DESKTOP },
188         { "VLV", 0x91be, EDID_QUIRK_NON_DESKTOP },
189         { "VLV", 0x91bf, EDID_QUIRK_NON_DESKTOP },
190
191         /* HTC Vive and Vive Pro VR Headsets */
192         { "HVR", 0xaa01, EDID_QUIRK_NON_DESKTOP },
193         { "HVR", 0xaa02, EDID_QUIRK_NON_DESKTOP },
194
195         /* Oculus Rift DK1, DK2, CV1 and Rift S VR Headsets */
196         { "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP },
197         { "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP },
198         { "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP },
199         { "OVR", 0x0012, EDID_QUIRK_NON_DESKTOP },
200
201         /* Windows Mixed Reality Headsets */
202         { "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP },
203         { "HPN", 0x3515, EDID_QUIRK_NON_DESKTOP },
204         { "LEN", 0x0408, EDID_QUIRK_NON_DESKTOP },
205         { "LEN", 0xb800, EDID_QUIRK_NON_DESKTOP },
206         { "FUJ", 0x1970, EDID_QUIRK_NON_DESKTOP },
207         { "DEL", 0x7fce, EDID_QUIRK_NON_DESKTOP },
208         { "SEC", 0x144a, EDID_QUIRK_NON_DESKTOP },
209         { "AUS", 0xc102, EDID_QUIRK_NON_DESKTOP },
210
211         /* Sony PlayStation VR Headset */
212         { "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP },
213
214         /* Sensics VR Headsets */
215         { "SEN", 0x1019, EDID_QUIRK_NON_DESKTOP },
216
217         /* OSVR HDK and HDK2 VR Headsets */
218         { "SVR", 0x1019, EDID_QUIRK_NON_DESKTOP },
219 };
220
221 /*
222  * Autogenerated from the DMT spec.
223  * This table is copied from xfree86/modes/xf86EdidModes.c.
224  */
225 static const struct drm_display_mode drm_dmt_modes[] = {
226         /* 0x01 - 640x350@85Hz */
227         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
228                    736, 832, 0, 350, 382, 385, 445, 0,
229                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
230         /* 0x02 - 640x400@85Hz */
231         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
232                    736, 832, 0, 400, 401, 404, 445, 0,
233                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
234         /* 0x03 - 720x400@85Hz */
235         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
236                    828, 936, 0, 400, 401, 404, 446, 0,
237                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
238         /* 0x04 - 640x480@60Hz */
239         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
240                    752, 800, 0, 480, 490, 492, 525, 0,
241                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
242         /* 0x05 - 640x480@72Hz */
243         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
244                    704, 832, 0, 480, 489, 492, 520, 0,
245                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
246         /* 0x06 - 640x480@75Hz */
247         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
248                    720, 840, 0, 480, 481, 484, 500, 0,
249                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
250         /* 0x07 - 640x480@85Hz */
251         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
252                    752, 832, 0, 480, 481, 484, 509, 0,
253                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
254         /* 0x08 - 800x600@56Hz */
255         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
256                    896, 1024, 0, 600, 601, 603, 625, 0,
257                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
258         /* 0x09 - 800x600@60Hz */
259         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
260                    968, 1056, 0, 600, 601, 605, 628, 0,
261                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
262         /* 0x0a - 800x600@72Hz */
263         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
264                    976, 1040, 0, 600, 637, 643, 666, 0,
265                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
266         /* 0x0b - 800x600@75Hz */
267         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
268                    896, 1056, 0, 600, 601, 604, 625, 0,
269                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
270         /* 0x0c - 800x600@85Hz */
271         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
272                    896, 1048, 0, 600, 601, 604, 631, 0,
273                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
274         /* 0x0d - 800x600@120Hz RB */
275         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
276                    880, 960, 0, 600, 603, 607, 636, 0,
277                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
278         /* 0x0e - 848x480@60Hz */
279         { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
280                    976, 1088, 0, 480, 486, 494, 517, 0,
281                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
282         /* 0x0f - 1024x768@43Hz, interlace */
283         { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
284                    1208, 1264, 0, 768, 768, 776, 817, 0,
285                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
286                    DRM_MODE_FLAG_INTERLACE) },
287         /* 0x10 - 1024x768@60Hz */
288         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
289                    1184, 1344, 0, 768, 771, 777, 806, 0,
290                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
291         /* 0x11 - 1024x768@70Hz */
292         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
293                    1184, 1328, 0, 768, 771, 777, 806, 0,
294                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
295         /* 0x12 - 1024x768@75Hz */
296         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
297                    1136, 1312, 0, 768, 769, 772, 800, 0,
298                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
299         /* 0x13 - 1024x768@85Hz */
300         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
301                    1168, 1376, 0, 768, 769, 772, 808, 0,
302                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
303         /* 0x14 - 1024x768@120Hz RB */
304         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
305                    1104, 1184, 0, 768, 771, 775, 813, 0,
306                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
307         /* 0x15 - 1152x864@75Hz */
308         { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
309                    1344, 1600, 0, 864, 865, 868, 900, 0,
310                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
311         /* 0x55 - 1280x720@60Hz */
312         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
313                    1430, 1650, 0, 720, 725, 730, 750, 0,
314                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
315         /* 0x16 - 1280x768@60Hz RB */
316         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
317                    1360, 1440, 0, 768, 771, 778, 790, 0,
318                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
319         /* 0x17 - 1280x768@60Hz */
320         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
321                    1472, 1664, 0, 768, 771, 778, 798, 0,
322                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
323         /* 0x18 - 1280x768@75Hz */
324         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
325                    1488, 1696, 0, 768, 771, 778, 805, 0,
326                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
327         /* 0x19 - 1280x768@85Hz */
328         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
329                    1496, 1712, 0, 768, 771, 778, 809, 0,
330                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
331         /* 0x1a - 1280x768@120Hz RB */
332         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
333                    1360, 1440, 0, 768, 771, 778, 813, 0,
334                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
335         /* 0x1b - 1280x800@60Hz RB */
336         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
337                    1360, 1440, 0, 800, 803, 809, 823, 0,
338                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
339         /* 0x1c - 1280x800@60Hz */
340         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
341                    1480, 1680, 0, 800, 803, 809, 831, 0,
342                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
343         /* 0x1d - 1280x800@75Hz */
344         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
345                    1488, 1696, 0, 800, 803, 809, 838, 0,
346                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
347         /* 0x1e - 1280x800@85Hz */
348         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
349                    1496, 1712, 0, 800, 803, 809, 843, 0,
350                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
351         /* 0x1f - 1280x800@120Hz RB */
352         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
353                    1360, 1440, 0, 800, 803, 809, 847, 0,
354                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
355         /* 0x20 - 1280x960@60Hz */
356         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
357                    1488, 1800, 0, 960, 961, 964, 1000, 0,
358                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
359         /* 0x21 - 1280x960@85Hz */
360         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
361                    1504, 1728, 0, 960, 961, 964, 1011, 0,
362                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
363         /* 0x22 - 1280x960@120Hz RB */
364         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
365                    1360, 1440, 0, 960, 963, 967, 1017, 0,
366                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
367         /* 0x23 - 1280x1024@60Hz */
368         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
369                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
370                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
371         /* 0x24 - 1280x1024@75Hz */
372         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
373                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
374                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
375         /* 0x25 - 1280x1024@85Hz */
376         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
377                    1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
378                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
379         /* 0x26 - 1280x1024@120Hz RB */
380         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
381                    1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
382                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
383         /* 0x27 - 1360x768@60Hz */
384         { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
385                    1536, 1792, 0, 768, 771, 777, 795, 0,
386                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
387         /* 0x28 - 1360x768@120Hz RB */
388         { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
389                    1440, 1520, 0, 768, 771, 776, 813, 0,
390                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
391         /* 0x51 - 1366x768@60Hz */
392         { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
393                    1579, 1792, 0, 768, 771, 774, 798, 0,
394                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
395         /* 0x56 - 1366x768@60Hz */
396         { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
397                    1436, 1500, 0, 768, 769, 772, 800, 0,
398                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
399         /* 0x29 - 1400x1050@60Hz RB */
400         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
401                    1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
402                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
403         /* 0x2a - 1400x1050@60Hz */
404         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
405                    1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
406                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
407         /* 0x2b - 1400x1050@75Hz */
408         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
409                    1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
410                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
411         /* 0x2c - 1400x1050@85Hz */
412         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
413                    1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
414                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
415         /* 0x2d - 1400x1050@120Hz RB */
416         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
417                    1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
418                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
419         /* 0x2e - 1440x900@60Hz RB */
420         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
421                    1520, 1600, 0, 900, 903, 909, 926, 0,
422                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
423         /* 0x2f - 1440x900@60Hz */
424         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
425                    1672, 1904, 0, 900, 903, 909, 934, 0,
426                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
427         /* 0x30 - 1440x900@75Hz */
428         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
429                    1688, 1936, 0, 900, 903, 909, 942, 0,
430                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
431         /* 0x31 - 1440x900@85Hz */
432         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
433                    1696, 1952, 0, 900, 903, 909, 948, 0,
434                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
435         /* 0x32 - 1440x900@120Hz RB */
436         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
437                    1520, 1600, 0, 900, 903, 909, 953, 0,
438                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
439         /* 0x53 - 1600x900@60Hz */
440         { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
441                    1704, 1800, 0, 900, 901, 904, 1000, 0,
442                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
443         /* 0x33 - 1600x1200@60Hz */
444         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
445                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
446                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
447         /* 0x34 - 1600x1200@65Hz */
448         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
449                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
450                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
451         /* 0x35 - 1600x1200@70Hz */
452         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
453                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
454                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
455         /* 0x36 - 1600x1200@75Hz */
456         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
457                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
458                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
459         /* 0x37 - 1600x1200@85Hz */
460         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
461                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
462                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
463         /* 0x38 - 1600x1200@120Hz RB */
464         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
465                    1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
466                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
467         /* 0x39 - 1680x1050@60Hz RB */
468         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
469                    1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
470                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
471         /* 0x3a - 1680x1050@60Hz */
472         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
473                    1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
474                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
475         /* 0x3b - 1680x1050@75Hz */
476         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
477                    1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
478                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
479         /* 0x3c - 1680x1050@85Hz */
480         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
481                    1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
482                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
483         /* 0x3d - 1680x1050@120Hz RB */
484         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
485                    1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
486                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
487         /* 0x3e - 1792x1344@60Hz */
488         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
489                    2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
490                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
491         /* 0x3f - 1792x1344@75Hz */
492         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
493                    2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
494                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
495         /* 0x40 - 1792x1344@120Hz RB */
496         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
497                    1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
498                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
499         /* 0x41 - 1856x1392@60Hz */
500         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
501                    2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
502                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
503         /* 0x42 - 1856x1392@75Hz */
504         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
505                    2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
506                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
507         /* 0x43 - 1856x1392@120Hz RB */
508         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
509                    1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
510                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
511         /* 0x52 - 1920x1080@60Hz */
512         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
513                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
514                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
515         /* 0x44 - 1920x1200@60Hz RB */
516         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
517                    2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
518                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
519         /* 0x45 - 1920x1200@60Hz */
520         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
521                    2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
522                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
523         /* 0x46 - 1920x1200@75Hz */
524         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
525                    2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
526                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
527         /* 0x47 - 1920x1200@85Hz */
528         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
529                    2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
530                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
531         /* 0x48 - 1920x1200@120Hz RB */
532         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
533                    2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
534                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
535         /* 0x49 - 1920x1440@60Hz */
536         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
537                    2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
538                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
539         /* 0x4a - 1920x1440@75Hz */
540         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
541                    2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
542                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
543         /* 0x4b - 1920x1440@120Hz RB */
544         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
545                    2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
546                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
547         /* 0x54 - 2048x1152@60Hz */
548         { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
549                    2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
550                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
551         /* 0x4c - 2560x1600@60Hz RB */
552         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
553                    2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
554                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
555         /* 0x4d - 2560x1600@60Hz */
556         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
557                    3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
558                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
559         /* 0x4e - 2560x1600@75Hz */
560         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
561                    3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
562                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
563         /* 0x4f - 2560x1600@85Hz */
564         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
565                    3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
566                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
567         /* 0x50 - 2560x1600@120Hz RB */
568         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
569                    2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
570                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
571         /* 0x57 - 4096x2160@60Hz RB */
572         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
573                    4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
574                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
575         /* 0x58 - 4096x2160@59.94Hz RB */
576         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
577                    4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
578                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
579 };
580
581 /*
582  * These more or less come from the DMT spec.  The 720x400 modes are
583  * inferred from historical 80x25 practice.  The 640x480@67 and 832x624@75
584  * modes are old-school Mac modes.  The EDID spec says the 1152x864@75 mode
585  * should be 1152x870, again for the Mac, but instead we use the x864 DMT
586  * mode.
587  *
588  * The DMT modes have been fact-checked; the rest are mild guesses.
589  */
590 static const struct drm_display_mode edid_est_modes[] = {
591         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
592                    968, 1056, 0, 600, 601, 605, 628, 0,
593                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
594         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
595                    896, 1024, 0, 600, 601, 603,  625, 0,
596                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
597         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
598                    720, 840, 0, 480, 481, 484, 500, 0,
599                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
600         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
601                    704,  832, 0, 480, 489, 492, 520, 0,
602                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
603         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
604                    768,  864, 0, 480, 483, 486, 525, 0,
605                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
606         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
607                    752, 800, 0, 480, 490, 492, 525, 0,
608                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
609         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
610                    846, 900, 0, 400, 421, 423,  449, 0,
611                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
612         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
613                    846,  900, 0, 400, 412, 414, 449, 0,
614                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
615         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
616                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
617                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
618         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
619                    1136, 1312, 0,  768, 769, 772, 800, 0,
620                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
621         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
622                    1184, 1328, 0,  768, 771, 777, 806, 0,
623                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
624         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
625                    1184, 1344, 0,  768, 771, 777, 806, 0,
626                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
627         { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
628                    1208, 1264, 0, 768, 768, 776, 817, 0,
629                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
630         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
631                    928, 1152, 0, 624, 625, 628, 667, 0,
632                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
633         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
634                    896, 1056, 0, 600, 601, 604,  625, 0,
635                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
636         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
637                    976, 1040, 0, 600, 637, 643, 666, 0,
638                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
639         { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
640                    1344, 1600, 0,  864, 865, 868, 900, 0,
641                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
642 };
643
644 struct minimode {
645         short w;
646         short h;
647         short r;
648         short rb;
649 };
650
651 static const struct minimode est3_modes[] = {
652         /* byte 6 */
653         { 640, 350, 85, 0 },
654         { 640, 400, 85, 0 },
655         { 720, 400, 85, 0 },
656         { 640, 480, 85, 0 },
657         { 848, 480, 60, 0 },
658         { 800, 600, 85, 0 },
659         { 1024, 768, 85, 0 },
660         { 1152, 864, 75, 0 },
661         /* byte 7 */
662         { 1280, 768, 60, 1 },
663         { 1280, 768, 60, 0 },
664         { 1280, 768, 75, 0 },
665         { 1280, 768, 85, 0 },
666         { 1280, 960, 60, 0 },
667         { 1280, 960, 85, 0 },
668         { 1280, 1024, 60, 0 },
669         { 1280, 1024, 85, 0 },
670         /* byte 8 */
671         { 1360, 768, 60, 0 },
672         { 1440, 900, 60, 1 },
673         { 1440, 900, 60, 0 },
674         { 1440, 900, 75, 0 },
675         { 1440, 900, 85, 0 },
676         { 1400, 1050, 60, 1 },
677         { 1400, 1050, 60, 0 },
678         { 1400, 1050, 75, 0 },
679         /* byte 9 */
680         { 1400, 1050, 85, 0 },
681         { 1680, 1050, 60, 1 },
682         { 1680, 1050, 60, 0 },
683         { 1680, 1050, 75, 0 },
684         { 1680, 1050, 85, 0 },
685         { 1600, 1200, 60, 0 },
686         { 1600, 1200, 65, 0 },
687         { 1600, 1200, 70, 0 },
688         /* byte 10 */
689         { 1600, 1200, 75, 0 },
690         { 1600, 1200, 85, 0 },
691         { 1792, 1344, 60, 0 },
692         { 1792, 1344, 75, 0 },
693         { 1856, 1392, 60, 0 },
694         { 1856, 1392, 75, 0 },
695         { 1920, 1200, 60, 1 },
696         { 1920, 1200, 60, 0 },
697         /* byte 11 */
698         { 1920, 1200, 75, 0 },
699         { 1920, 1200, 85, 0 },
700         { 1920, 1440, 60, 0 },
701         { 1920, 1440, 75, 0 },
702 };
703
704 static const struct minimode extra_modes[] = {
705         { 1024, 576,  60, 0 },
706         { 1366, 768,  60, 0 },
707         { 1600, 900,  60, 0 },
708         { 1680, 945,  60, 0 },
709         { 1920, 1080, 60, 0 },
710         { 2048, 1152, 60, 0 },
711         { 2048, 1536, 60, 0 },
712 };
713
714 /*
715  * From CEA/CTA-861 spec.
716  *
717  * Do not access directly, instead always use cea_mode_for_vic().
718  */
719 static const struct drm_display_mode edid_cea_modes_1[] = {
720         /* 1 - 640x480@60Hz 4:3 */
721         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
722                    752, 800, 0, 480, 490, 492, 525, 0,
723                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
724           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
725         /* 2 - 720x480@60Hz 4:3 */
726         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
727                    798, 858, 0, 480, 489, 495, 525, 0,
728                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
729           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
730         /* 3 - 720x480@60Hz 16:9 */
731         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
732                    798, 858, 0, 480, 489, 495, 525, 0,
733                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
734           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
735         /* 4 - 1280x720@60Hz 16:9 */
736         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
737                    1430, 1650, 0, 720, 725, 730, 750, 0,
738                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
739           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
740         /* 5 - 1920x1080i@60Hz 16:9 */
741         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
742                    2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
743                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
744                    DRM_MODE_FLAG_INTERLACE),
745           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
746         /* 6 - 720(1440)x480i@60Hz 4:3 */
747         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
748                    801, 858, 0, 480, 488, 494, 525, 0,
749                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
750                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
751           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
752         /* 7 - 720(1440)x480i@60Hz 16:9 */
753         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
754                    801, 858, 0, 480, 488, 494, 525, 0,
755                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
756                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
757           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
758         /* 8 - 720(1440)x240@60Hz 4:3 */
759         { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
760                    801, 858, 0, 240, 244, 247, 262, 0,
761                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
762                    DRM_MODE_FLAG_DBLCLK),
763           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
764         /* 9 - 720(1440)x240@60Hz 16:9 */
765         { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
766                    801, 858, 0, 240, 244, 247, 262, 0,
767                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
768                    DRM_MODE_FLAG_DBLCLK),
769           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
770         /* 10 - 2880x480i@60Hz 4:3 */
771         { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
772                    3204, 3432, 0, 480, 488, 494, 525, 0,
773                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
774                    DRM_MODE_FLAG_INTERLACE),
775           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
776         /* 11 - 2880x480i@60Hz 16:9 */
777         { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
778                    3204, 3432, 0, 480, 488, 494, 525, 0,
779                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
780                    DRM_MODE_FLAG_INTERLACE),
781           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
782         /* 12 - 2880x240@60Hz 4:3 */
783         { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
784                    3204, 3432, 0, 240, 244, 247, 262, 0,
785                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
786           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
787         /* 13 - 2880x240@60Hz 16:9 */
788         { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
789                    3204, 3432, 0, 240, 244, 247, 262, 0,
790                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
791           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
792         /* 14 - 1440x480@60Hz 4:3 */
793         { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
794                    1596, 1716, 0, 480, 489, 495, 525, 0,
795                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
796           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
797         /* 15 - 1440x480@60Hz 16:9 */
798         { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
799                    1596, 1716, 0, 480, 489, 495, 525, 0,
800                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
801           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
802         /* 16 - 1920x1080@60Hz 16:9 */
803         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
804                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
805                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
806           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
807         /* 17 - 720x576@50Hz 4:3 */
808         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
809                    796, 864, 0, 576, 581, 586, 625, 0,
810                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
811           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
812         /* 18 - 720x576@50Hz 16:9 */
813         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
814                    796, 864, 0, 576, 581, 586, 625, 0,
815                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
816           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
817         /* 19 - 1280x720@50Hz 16:9 */
818         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
819                    1760, 1980, 0, 720, 725, 730, 750, 0,
820                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
821           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
822         /* 20 - 1920x1080i@50Hz 16:9 */
823         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
824                    2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
825                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
826                    DRM_MODE_FLAG_INTERLACE),
827           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
828         /* 21 - 720(1440)x576i@50Hz 4:3 */
829         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
830                    795, 864, 0, 576, 580, 586, 625, 0,
831                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
832                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
833           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
834         /* 22 - 720(1440)x576i@50Hz 16:9 */
835         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
836                    795, 864, 0, 576, 580, 586, 625, 0,
837                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
838                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
839           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
840         /* 23 - 720(1440)x288@50Hz 4:3 */
841         { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
842                    795, 864, 0, 288, 290, 293, 312, 0,
843                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
844                    DRM_MODE_FLAG_DBLCLK),
845           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
846         /* 24 - 720(1440)x288@50Hz 16:9 */
847         { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
848                    795, 864, 0, 288, 290, 293, 312, 0,
849                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
850                    DRM_MODE_FLAG_DBLCLK),
851           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
852         /* 25 - 2880x576i@50Hz 4:3 */
853         { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
854                    3180, 3456, 0, 576, 580, 586, 625, 0,
855                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
856                    DRM_MODE_FLAG_INTERLACE),
857           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
858         /* 26 - 2880x576i@50Hz 16:9 */
859         { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
860                    3180, 3456, 0, 576, 580, 586, 625, 0,
861                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
862                    DRM_MODE_FLAG_INTERLACE),
863           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
864         /* 27 - 2880x288@50Hz 4:3 */
865         { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
866                    3180, 3456, 0, 288, 290, 293, 312, 0,
867                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
868           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
869         /* 28 - 2880x288@50Hz 16:9 */
870         { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
871                    3180, 3456, 0, 288, 290, 293, 312, 0,
872                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
873           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
874         /* 29 - 1440x576@50Hz 4:3 */
875         { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
876                    1592, 1728, 0, 576, 581, 586, 625, 0,
877                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
878           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
879         /* 30 - 1440x576@50Hz 16:9 */
880         { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
881                    1592, 1728, 0, 576, 581, 586, 625, 0,
882                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
883           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
884         /* 31 - 1920x1080@50Hz 16:9 */
885         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
886                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
887                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
888           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
889         /* 32 - 1920x1080@24Hz 16:9 */
890         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
891                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
892                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
893           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
894         /* 33 - 1920x1080@25Hz 16:9 */
895         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
896                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
897                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
898           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
899         /* 34 - 1920x1080@30Hz 16:9 */
900         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
901                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
902                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
903           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
904         /* 35 - 2880x480@60Hz 4:3 */
905         { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
906                    3192, 3432, 0, 480, 489, 495, 525, 0,
907                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
908           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
909         /* 36 - 2880x480@60Hz 16:9 */
910         { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
911                    3192, 3432, 0, 480, 489, 495, 525, 0,
912                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
913           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
914         /* 37 - 2880x576@50Hz 4:3 */
915         { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
916                    3184, 3456, 0, 576, 581, 586, 625, 0,
917                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
918           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
919         /* 38 - 2880x576@50Hz 16:9 */
920         { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
921                    3184, 3456, 0, 576, 581, 586, 625, 0,
922                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
923           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
924         /* 39 - 1920x1080i@50Hz 16:9 */
925         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
926                    2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
927                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
928                    DRM_MODE_FLAG_INTERLACE),
929           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
930         /* 40 - 1920x1080i@100Hz 16:9 */
931         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
932                    2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
933                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
934                    DRM_MODE_FLAG_INTERLACE),
935           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
936         /* 41 - 1280x720@100Hz 16:9 */
937         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
938                    1760, 1980, 0, 720, 725, 730, 750, 0,
939                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
940           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
941         /* 42 - 720x576@100Hz 4:3 */
942         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
943                    796, 864, 0, 576, 581, 586, 625, 0,
944                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
945           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
946         /* 43 - 720x576@100Hz 16:9 */
947         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
948                    796, 864, 0, 576, 581, 586, 625, 0,
949                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
950           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
951         /* 44 - 720(1440)x576i@100Hz 4:3 */
952         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
953                    795, 864, 0, 576, 580, 586, 625, 0,
954                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
955                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
956           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
957         /* 45 - 720(1440)x576i@100Hz 16:9 */
958         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
959                    795, 864, 0, 576, 580, 586, 625, 0,
960                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
961                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
962           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
963         /* 46 - 1920x1080i@120Hz 16:9 */
964         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
965                    2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
966                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
967                    DRM_MODE_FLAG_INTERLACE),
968           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
969         /* 47 - 1280x720@120Hz 16:9 */
970         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
971                    1430, 1650, 0, 720, 725, 730, 750, 0,
972                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
973           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
974         /* 48 - 720x480@120Hz 4:3 */
975         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
976                    798, 858, 0, 480, 489, 495, 525, 0,
977                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
978           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
979         /* 49 - 720x480@120Hz 16:9 */
980         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
981                    798, 858, 0, 480, 489, 495, 525, 0,
982                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
983           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
984         /* 50 - 720(1440)x480i@120Hz 4:3 */
985         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
986                    801, 858, 0, 480, 488, 494, 525, 0,
987                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
988                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
989           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
990         /* 51 - 720(1440)x480i@120Hz 16:9 */
991         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
992                    801, 858, 0, 480, 488, 494, 525, 0,
993                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
994                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
995           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
996         /* 52 - 720x576@200Hz 4:3 */
997         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
998                    796, 864, 0, 576, 581, 586, 625, 0,
999                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1000           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1001         /* 53 - 720x576@200Hz 16:9 */
1002         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1003                    796, 864, 0, 576, 581, 586, 625, 0,
1004                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1005           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1006         /* 54 - 720(1440)x576i@200Hz 4:3 */
1007         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1008                    795, 864, 0, 576, 580, 586, 625, 0,
1009                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1010                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1011           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1012         /* 55 - 720(1440)x576i@200Hz 16:9 */
1013         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1014                    795, 864, 0, 576, 580, 586, 625, 0,
1015                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1016                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1017           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1018         /* 56 - 720x480@240Hz 4:3 */
1019         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1020                    798, 858, 0, 480, 489, 495, 525, 0,
1021                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1022           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1023         /* 57 - 720x480@240Hz 16:9 */
1024         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1025                    798, 858, 0, 480, 489, 495, 525, 0,
1026                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1027           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1028         /* 58 - 720(1440)x480i@240Hz 4:3 */
1029         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1030                    801, 858, 0, 480, 488, 494, 525, 0,
1031                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1032                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1033           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1034         /* 59 - 720(1440)x480i@240Hz 16:9 */
1035         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1036                    801, 858, 0, 480, 488, 494, 525, 0,
1037                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1038                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1039           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1040         /* 60 - 1280x720@24Hz 16:9 */
1041         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1042                    3080, 3300, 0, 720, 725, 730, 750, 0,
1043                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1044           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1045         /* 61 - 1280x720@25Hz 16:9 */
1046         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1047                    3740, 3960, 0, 720, 725, 730, 750, 0,
1048                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1049           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1050         /* 62 - 1280x720@30Hz 16:9 */
1051         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1052                    3080, 3300, 0, 720, 725, 730, 750, 0,
1053                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1054           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1055         /* 63 - 1920x1080@120Hz 16:9 */
1056         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1057                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1058                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1059           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1060         /* 64 - 1920x1080@100Hz 16:9 */
1061         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1062                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1063                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1064           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1065         /* 65 - 1280x720@24Hz 64:27 */
1066         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1067                    3080, 3300, 0, 720, 725, 730, 750, 0,
1068                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1069           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1070         /* 66 - 1280x720@25Hz 64:27 */
1071         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1072                    3740, 3960, 0, 720, 725, 730, 750, 0,
1073                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1074           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1075         /* 67 - 1280x720@30Hz 64:27 */
1076         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1077                    3080, 3300, 0, 720, 725, 730, 750, 0,
1078                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1079           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1080         /* 68 - 1280x720@50Hz 64:27 */
1081         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1082                    1760, 1980, 0, 720, 725, 730, 750, 0,
1083                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1084           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1085         /* 69 - 1280x720@60Hz 64:27 */
1086         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1087                    1430, 1650, 0, 720, 725, 730, 750, 0,
1088                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1089           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1090         /* 70 - 1280x720@100Hz 64:27 */
1091         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1092                    1760, 1980, 0, 720, 725, 730, 750, 0,
1093                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1094           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1095         /* 71 - 1280x720@120Hz 64:27 */
1096         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1097                    1430, 1650, 0, 720, 725, 730, 750, 0,
1098                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1099           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1100         /* 72 - 1920x1080@24Hz 64:27 */
1101         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1102                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1103                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1104           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1105         /* 73 - 1920x1080@25Hz 64:27 */
1106         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1107                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1108                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1109           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1110         /* 74 - 1920x1080@30Hz 64:27 */
1111         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1112                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1113                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1114           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1115         /* 75 - 1920x1080@50Hz 64:27 */
1116         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1117                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1118                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1119           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1120         /* 76 - 1920x1080@60Hz 64:27 */
1121         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1122                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1123                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1124           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1125         /* 77 - 1920x1080@100Hz 64:27 */
1126         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1127                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1128                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1129           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1130         /* 78 - 1920x1080@120Hz 64:27 */
1131         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1132                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1133                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1134           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1135         /* 79 - 1680x720@24Hz 64:27 */
1136         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1137                    3080, 3300, 0, 720, 725, 730, 750, 0,
1138                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1139           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1140         /* 80 - 1680x720@25Hz 64:27 */
1141         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1142                    2948, 3168, 0, 720, 725, 730, 750, 0,
1143                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1144           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1145         /* 81 - 1680x720@30Hz 64:27 */
1146         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1147                    2420, 2640, 0, 720, 725, 730, 750, 0,
1148                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1149           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1150         /* 82 - 1680x720@50Hz 64:27 */
1151         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1152                    1980, 2200, 0, 720, 725, 730, 750, 0,
1153                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1154           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1155         /* 83 - 1680x720@60Hz 64:27 */
1156         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1157                    1980, 2200, 0, 720, 725, 730, 750, 0,
1158                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1159           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1160         /* 84 - 1680x720@100Hz 64:27 */
1161         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1162                    1780, 2000, 0, 720, 725, 730, 825, 0,
1163                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1164           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1165         /* 85 - 1680x720@120Hz 64:27 */
1166         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1167                    1780, 2000, 0, 720, 725, 730, 825, 0,
1168                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1169           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1170         /* 86 - 2560x1080@24Hz 64:27 */
1171         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1172                    3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1173                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1174           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1175         /* 87 - 2560x1080@25Hz 64:27 */
1176         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1177                    3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1178                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1179           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1180         /* 88 - 2560x1080@30Hz 64:27 */
1181         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1182                    3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1183                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1184           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1185         /* 89 - 2560x1080@50Hz 64:27 */
1186         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1187                    3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1188                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1189           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1190         /* 90 - 2560x1080@60Hz 64:27 */
1191         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1192                    2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1193                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1194           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1195         /* 91 - 2560x1080@100Hz 64:27 */
1196         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1197                    2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1198                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1199           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1200         /* 92 - 2560x1080@120Hz 64:27 */
1201         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1202                    3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1203                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1204           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1205         /* 93 - 3840x2160@24Hz 16:9 */
1206         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1207                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1208                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1209           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1210         /* 94 - 3840x2160@25Hz 16:9 */
1211         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1212                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1213                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1214           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1215         /* 95 - 3840x2160@30Hz 16:9 */
1216         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1217                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1218                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1219           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1220         /* 96 - 3840x2160@50Hz 16:9 */
1221         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1222                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1223                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1224           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1225         /* 97 - 3840x2160@60Hz 16:9 */
1226         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1227                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1228                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1229           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1230         /* 98 - 4096x2160@24Hz 256:135 */
1231         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1232                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1233                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1234           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1235         /* 99 - 4096x2160@25Hz 256:135 */
1236         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1237                    5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1238                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1239           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1240         /* 100 - 4096x2160@30Hz 256:135 */
1241         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1242                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1243                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1244           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1245         /* 101 - 4096x2160@50Hz 256:135 */
1246         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1247                    5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1248                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1249           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1250         /* 102 - 4096x2160@60Hz 256:135 */
1251         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1252                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1253                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1254           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1255         /* 103 - 3840x2160@24Hz 64:27 */
1256         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1257                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1258                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1259           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1260         /* 104 - 3840x2160@25Hz 64:27 */
1261         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1262                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1263                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1264           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1265         /* 105 - 3840x2160@30Hz 64:27 */
1266         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1267                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1268                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1269           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1270         /* 106 - 3840x2160@50Hz 64:27 */
1271         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1272                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1273                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1274           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1275         /* 107 - 3840x2160@60Hz 64:27 */
1276         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1277                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1278                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1279           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1280         /* 108 - 1280x720@48Hz 16:9 */
1281         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1282                    2280, 2500, 0, 720, 725, 730, 750, 0,
1283                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1284           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1285         /* 109 - 1280x720@48Hz 64:27 */
1286         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1287                    2280, 2500, 0, 720, 725, 730, 750, 0,
1288                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1289           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1290         /* 110 - 1680x720@48Hz 64:27 */
1291         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490,
1292                    2530, 2750, 0, 720, 725, 730, 750, 0,
1293                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1294           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1295         /* 111 - 1920x1080@48Hz 16:9 */
1296         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1297                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1298                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1299           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1300         /* 112 - 1920x1080@48Hz 64:27 */
1301         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1302                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1303                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1304           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1305         /* 113 - 2560x1080@48Hz 64:27 */
1306         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558,
1307                    3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1308                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1309           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1310         /* 114 - 3840x2160@48Hz 16:9 */
1311         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1312                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1313                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1314           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1315         /* 115 - 4096x2160@48Hz 256:135 */
1316         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116,
1317                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1318                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1319           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1320         /* 116 - 3840x2160@48Hz 64:27 */
1321         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1322                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1323                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1324           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1325         /* 117 - 3840x2160@100Hz 16:9 */
1326         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1327                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1328                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1329           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1330         /* 118 - 3840x2160@120Hz 16:9 */
1331         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1332                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1333                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1334           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1335         /* 119 - 3840x2160@100Hz 64:27 */
1336         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1337                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1338                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1339           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1340         /* 120 - 3840x2160@120Hz 64:27 */
1341         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1342                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1343                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1344           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1345         /* 121 - 5120x2160@24Hz 64:27 */
1346         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116,
1347                    7204, 7500, 0, 2160, 2168, 2178, 2200, 0,
1348                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1349           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1350         /* 122 - 5120x2160@25Hz 64:27 */
1351         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816,
1352                    6904, 7200, 0, 2160, 2168, 2178, 2200, 0,
1353                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1354           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1355         /* 123 - 5120x2160@30Hz 64:27 */
1356         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784,
1357                    5872, 6000, 0, 2160, 2168, 2178, 2200, 0,
1358                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1359           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1360         /* 124 - 5120x2160@48Hz 64:27 */
1361         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866,
1362                    5954, 6250, 0, 2160, 2168, 2178, 2475, 0,
1363                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1364           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1365         /* 125 - 5120x2160@50Hz 64:27 */
1366         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216,
1367                    6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1368                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1369           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1370         /* 126 - 5120x2160@60Hz 64:27 */
1371         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284,
1372                    5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1373                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1374           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1375         /* 127 - 5120x2160@100Hz 64:27 */
1376         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216,
1377                    6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1378                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1379           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1380 };
1381
1382 /*
1383  * From CEA/CTA-861 spec.
1384  *
1385  * Do not access directly, instead always use cea_mode_for_vic().
1386  */
1387 static const struct drm_display_mode edid_cea_modes_193[] = {
1388         /* 193 - 5120x2160@120Hz 64:27 */
1389         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
1390                    5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1391                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1392           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1393         /* 194 - 7680x4320@24Hz 16:9 */
1394         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1395                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1396                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1397           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1398         /* 195 - 7680x4320@25Hz 16:9 */
1399         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1400                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1401                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1402           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1403         /* 196 - 7680x4320@30Hz 16:9 */
1404         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1405                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1406                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1407           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1408         /* 197 - 7680x4320@48Hz 16:9 */
1409         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1410                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1411                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1412           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1413         /* 198 - 7680x4320@50Hz 16:9 */
1414         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1415                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1416                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1417           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1418         /* 199 - 7680x4320@60Hz 16:9 */
1419         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1420                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1421                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1422           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1423         /* 200 - 7680x4320@100Hz 16:9 */
1424         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1425                    9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1426                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1427           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1428         /* 201 - 7680x4320@120Hz 16:9 */
1429         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1430                    8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1431                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1432           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1433         /* 202 - 7680x4320@24Hz 64:27 */
1434         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1435                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1436                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1437           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1438         /* 203 - 7680x4320@25Hz 64:27 */
1439         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1440                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1441                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1442           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1443         /* 204 - 7680x4320@30Hz 64:27 */
1444         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1445                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1446                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1447           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1448         /* 205 - 7680x4320@48Hz 64:27 */
1449         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1450                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1451                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1452           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1453         /* 206 - 7680x4320@50Hz 64:27 */
1454         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1455                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1456                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1457           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1458         /* 207 - 7680x4320@60Hz 64:27 */
1459         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1460                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1461                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1462           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1463         /* 208 - 7680x4320@100Hz 64:27 */
1464         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1465                    9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1466                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1467           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1468         /* 209 - 7680x4320@120Hz 64:27 */
1469         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1470                    8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1471                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1472           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1473         /* 210 - 10240x4320@24Hz 64:27 */
1474         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
1475                    11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1476                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1477           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1478         /* 211 - 10240x4320@25Hz 64:27 */
1479         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
1480                    12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1481                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1482           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1483         /* 212 - 10240x4320@30Hz 64:27 */
1484         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
1485                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1486                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1487           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1488         /* 213 - 10240x4320@48Hz 64:27 */
1489         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
1490                    11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1491                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1492           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1493         /* 214 - 10240x4320@50Hz 64:27 */
1494         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
1495                    12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1496                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1497           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1498         /* 215 - 10240x4320@60Hz 64:27 */
1499         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
1500                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1501                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1502           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1503         /* 216 - 10240x4320@100Hz 64:27 */
1504         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
1505                    12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
1506                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1507           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1508         /* 217 - 10240x4320@120Hz 64:27 */
1509         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
1510                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1511                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1512           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1513         /* 218 - 4096x2160@100Hz 256:135 */
1514         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
1515                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1516                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1517           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1518         /* 219 - 4096x2160@120Hz 256:135 */
1519         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
1520                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1521                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1522           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1523 };
1524
1525 /*
1526  * HDMI 1.4 4k modes. Index using the VIC.
1527  */
1528 static const struct drm_display_mode edid_4k_modes[] = {
1529         /* 0 - dummy, VICs start at 1 */
1530         { },
1531         /* 1 - 3840x2160@30Hz */
1532         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1533                    3840, 4016, 4104, 4400, 0,
1534                    2160, 2168, 2178, 2250, 0,
1535                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1536           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1537         /* 2 - 3840x2160@25Hz */
1538         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1539                    3840, 4896, 4984, 5280, 0,
1540                    2160, 2168, 2178, 2250, 0,
1541                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1542           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1543         /* 3 - 3840x2160@24Hz */
1544         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1545                    3840, 5116, 5204, 5500, 0,
1546                    2160, 2168, 2178, 2250, 0,
1547                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1548           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1549         /* 4 - 4096x2160@24Hz (SMPTE) */
1550         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1551                    4096, 5116, 5204, 5500, 0,
1552                    2160, 2168, 2178, 2250, 0,
1553                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1554           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1555 };
1556
1557 /*** DDC fetch and block validation ***/
1558
1559 static const u8 edid_header[] = {
1560         0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1561 };
1562
1563 /**
1564  * drm_edid_header_is_valid - sanity check the header of the base EDID block
1565  * @raw_edid: pointer to raw base EDID block
1566  *
1567  * Sanity check the header of the base EDID block.
1568  *
1569  * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1570  */
1571 int drm_edid_header_is_valid(const u8 *raw_edid)
1572 {
1573         int i, score = 0;
1574
1575         for (i = 0; i < sizeof(edid_header); i++)
1576                 if (raw_edid[i] == edid_header[i])
1577                         score++;
1578
1579         return score;
1580 }
1581 EXPORT_SYMBOL(drm_edid_header_is_valid);
1582
1583 static int edid_fixup __read_mostly = 6;
1584 module_param_named(edid_fixup, edid_fixup, int, 0400);
1585 MODULE_PARM_DESC(edid_fixup,
1586                  "Minimum number of valid EDID header bytes (0-8, default 6)");
1587
1588 static int validate_displayid(u8 *displayid, int length, int idx);
1589
1590 static int drm_edid_block_checksum(const u8 *raw_edid)
1591 {
1592         int i;
1593         u8 csum = 0, crc = 0;
1594
1595         for (i = 0; i < EDID_LENGTH - 1; i++)
1596                 csum += raw_edid[i];
1597
1598         crc = 0x100 - csum;
1599
1600         return crc;
1601 }
1602
1603 static bool drm_edid_block_checksum_diff(const u8 *raw_edid, u8 real_checksum)
1604 {
1605         if (raw_edid[EDID_LENGTH - 1] != real_checksum)
1606                 return true;
1607         else
1608                 return false;
1609 }
1610
1611 static bool drm_edid_is_zero(const u8 *in_edid, int length)
1612 {
1613         if (memchr_inv(in_edid, 0, length))
1614                 return false;
1615
1616         return true;
1617 }
1618
1619 /**
1620  * drm_edid_are_equal - compare two edid blobs.
1621  * @edid1: pointer to first blob
1622  * @edid2: pointer to second blob
1623  * This helper can be used during probing to determine if
1624  * edid had changed.
1625  */
1626 bool drm_edid_are_equal(const struct edid *edid1, const struct edid *edid2)
1627 {
1628         int edid1_len, edid2_len;
1629         bool edid1_present = edid1 != NULL;
1630         bool edid2_present = edid2 != NULL;
1631
1632         if (edid1_present != edid2_present)
1633                 return false;
1634
1635         if (edid1) {
1636                 edid1_len = EDID_LENGTH * (1 + edid1->extensions);
1637                 edid2_len = EDID_LENGTH * (1 + edid2->extensions);
1638
1639                 if (edid1_len != edid2_len)
1640                         return false;
1641
1642                 if (memcmp(edid1, edid2, edid1_len))
1643                         return false;
1644         }
1645
1646         return true;
1647 }
1648 EXPORT_SYMBOL(drm_edid_are_equal);
1649
1650 /**
1651  * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1652  * @raw_edid: pointer to raw EDID block
1653  * @block: type of block to validate (0 for base, extension otherwise)
1654  * @print_bad_edid: if true, dump bad EDID blocks to the console
1655  * @edid_corrupt: if true, the header or checksum is invalid
1656  *
1657  * Validate a base or extension EDID block and optionally dump bad blocks to
1658  * the console.
1659  *
1660  * Return: True if the block is valid, false otherwise.
1661  */
1662 bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
1663                           bool *edid_corrupt)
1664 {
1665         u8 csum;
1666         struct edid *edid = (struct edid *)raw_edid;
1667
1668         if (WARN_ON(!raw_edid))
1669                 return false;
1670
1671         if (edid_fixup > 8 || edid_fixup < 0)
1672                 edid_fixup = 6;
1673
1674         if (block == 0) {
1675                 int score = drm_edid_header_is_valid(raw_edid);
1676
1677                 if (score == 8) {
1678                         if (edid_corrupt)
1679                                 *edid_corrupt = false;
1680                 } else if (score >= edid_fixup) {
1681                         /* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6
1682                          * The corrupt flag needs to be set here otherwise, the
1683                          * fix-up code here will correct the problem, the
1684                          * checksum is correct and the test fails
1685                          */
1686                         if (edid_corrupt)
1687                                 *edid_corrupt = true;
1688                         DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
1689                         memcpy(raw_edid, edid_header, sizeof(edid_header));
1690                 } else {
1691                         if (edid_corrupt)
1692                                 *edid_corrupt = true;
1693                         goto bad;
1694                 }
1695         }
1696
1697         csum = drm_edid_block_checksum(raw_edid);
1698         if (drm_edid_block_checksum_diff(raw_edid, csum)) {
1699                 if (edid_corrupt)
1700                         *edid_corrupt = true;
1701
1702                 /* allow CEA to slide through, switches mangle this */
1703                 if (raw_edid[0] == CEA_EXT) {
1704                         DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum);
1705                         DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n");
1706                 } else {
1707                         if (print_bad_edid)
1708                                 DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
1709
1710                         goto bad;
1711                 }
1712         }
1713
1714         /* per-block-type checks */
1715         switch (raw_edid[0]) {
1716         case 0: /* base */
1717                 if (edid->version != 1) {
1718                         DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
1719                         goto bad;
1720                 }
1721
1722                 if (edid->revision > 4)
1723                         DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
1724                 break;
1725
1726         default:
1727                 break;
1728         }
1729
1730         return true;
1731
1732 bad:
1733         if (print_bad_edid) {
1734                 if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1735                         pr_notice("EDID block is all zeroes\n");
1736                 } else {
1737                         pr_notice("Raw EDID:\n");
1738                         print_hex_dump(KERN_NOTICE,
1739                                        " \t", DUMP_PREFIX_NONE, 16, 1,
1740                                        raw_edid, EDID_LENGTH, false);
1741                 }
1742         }
1743         return false;
1744 }
1745 EXPORT_SYMBOL(drm_edid_block_valid);
1746
1747 /**
1748  * drm_edid_is_valid - sanity check EDID data
1749  * @edid: EDID data
1750  *
1751  * Sanity-check an entire EDID record (including extensions)
1752  *
1753  * Return: True if the EDID data is valid, false otherwise.
1754  */
1755 bool drm_edid_is_valid(struct edid *edid)
1756 {
1757         int i;
1758         u8 *raw = (u8 *)edid;
1759
1760         if (!edid)
1761                 return false;
1762
1763         for (i = 0; i <= edid->extensions; i++)
1764                 if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
1765                         return false;
1766
1767         return true;
1768 }
1769 EXPORT_SYMBOL(drm_edid_is_valid);
1770
1771 #define DDC_SEGMENT_ADDR 0x30
1772 /**
1773  * drm_do_probe_ddc_edid() - get EDID information via I2C
1774  * @data: I2C device adapter
1775  * @buf: EDID data buffer to be filled
1776  * @block: 128 byte EDID block to start fetching from
1777  * @len: EDID data buffer length to fetch
1778  *
1779  * Try to fetch EDID information by calling I2C driver functions.
1780  *
1781  * Return: 0 on success or -1 on failure.
1782  */
1783 static int
1784 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1785 {
1786         struct i2c_adapter *adapter = data;
1787         unsigned char start = block * EDID_LENGTH;
1788         unsigned char segment = block >> 1;
1789         unsigned char xfers = segment ? 3 : 2;
1790         int ret, retries = 5;
1791
1792         /*
1793          * The core I2C driver will automatically retry the transfer if the
1794          * adapter reports EAGAIN. However, we find that bit-banging transfers
1795          * are susceptible to errors under a heavily loaded machine and
1796          * generate spurious NAKs and timeouts. Retrying the transfer
1797          * of the individual block a few times seems to overcome this.
1798          */
1799         do {
1800                 struct i2c_msg msgs[] = {
1801                         {
1802                                 .addr   = DDC_SEGMENT_ADDR,
1803                                 .flags  = 0,
1804                                 .len    = 1,
1805                                 .buf    = &segment,
1806                         }, {
1807                                 .addr   = DDC_ADDR,
1808                                 .flags  = 0,
1809                                 .len    = 1,
1810                                 .buf    = &start,
1811                         }, {
1812                                 .addr   = DDC_ADDR,
1813                                 .flags  = I2C_M_RD,
1814                                 .len    = len,
1815                                 .buf    = buf,
1816                         }
1817                 };
1818
1819                 /*
1820                  * Avoid sending the segment addr to not upset non-compliant
1821                  * DDC monitors.
1822                  */
1823                 ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
1824
1825                 if (ret == -ENXIO) {
1826                         DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1827                                         adapter->name);
1828                         break;
1829                 }
1830         } while (ret != xfers && --retries);
1831
1832         return ret == xfers ? 0 : -1;
1833 }
1834
1835 static void connector_bad_edid(struct drm_connector *connector,
1836                                u8 *edid, int num_blocks)
1837 {
1838         int i;
1839         u8 num_of_ext = edid[0x7e];
1840
1841         /* Calculate real checksum for the last edid extension block data */
1842         connector->real_edid_checksum =
1843                 drm_edid_block_checksum(edid + num_of_ext * EDID_LENGTH);
1844
1845         if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
1846                 return;
1847
1848         drm_dbg_kms(connector->dev, "%s: EDID is invalid:\n", connector->name);
1849         for (i = 0; i < num_blocks; i++) {
1850                 u8 *block = edid + i * EDID_LENGTH;
1851                 char prefix[20];
1852
1853                 if (drm_edid_is_zero(block, EDID_LENGTH))
1854                         sprintf(prefix, "\t[%02x] ZERO ", i);
1855                 else if (!drm_edid_block_valid(block, i, false, NULL))
1856                         sprintf(prefix, "\t[%02x] BAD  ", i);
1857                 else
1858                         sprintf(prefix, "\t[%02x] GOOD ", i);
1859
1860                 print_hex_dump(KERN_DEBUG,
1861                                prefix, DUMP_PREFIX_NONE, 16, 1,
1862                                block, EDID_LENGTH, false);
1863         }
1864 }
1865
1866 /* Get override or firmware EDID */
1867 static struct edid *drm_get_override_edid(struct drm_connector *connector)
1868 {
1869         struct edid *override = NULL;
1870
1871         if (connector->override_edid)
1872                 override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1873
1874         if (!override)
1875                 override = drm_load_edid_firmware(connector);
1876
1877         return IS_ERR(override) ? NULL : override;
1878 }
1879
1880 /**
1881  * drm_add_override_edid_modes - add modes from override/firmware EDID
1882  * @connector: connector we're probing
1883  *
1884  * Add modes from the override/firmware EDID, if available. Only to be used from
1885  * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1886  * failed during drm_get_edid() and caused the override/firmware EDID to be
1887  * skipped.
1888  *
1889  * Return: The number of modes added or 0 if we couldn't find any.
1890  */
1891 int drm_add_override_edid_modes(struct drm_connector *connector)
1892 {
1893         struct edid *override;
1894         int num_modes = 0;
1895
1896         override = drm_get_override_edid(connector);
1897         if (override) {
1898                 drm_connector_update_edid_property(connector, override);
1899                 num_modes = drm_add_edid_modes(connector, override);
1900                 kfree(override);
1901
1902                 DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1903                               connector->base.id, connector->name, num_modes);
1904         }
1905
1906         return num_modes;
1907 }
1908 EXPORT_SYMBOL(drm_add_override_edid_modes);
1909
1910 /**
1911  * drm_do_get_edid - get EDID data using a custom EDID block read function
1912  * @connector: connector we're probing
1913  * @get_edid_block: EDID block read function
1914  * @data: private data passed to the block read function
1915  *
1916  * When the I2C adapter connected to the DDC bus is hidden behind a device that
1917  * exposes a different interface to read EDID blocks this function can be used
1918  * to get EDID data using a custom block read function.
1919  *
1920  * As in the general case the DDC bus is accessible by the kernel at the I2C
1921  * level, drivers must make all reasonable efforts to expose it as an I2C
1922  * adapter and use drm_get_edid() instead of abusing this function.
1923  *
1924  * The EDID may be overridden using debugfs override_edid or firmare EDID
1925  * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1926  * order. Having either of them bypasses actual EDID reads.
1927  *
1928  * Return: Pointer to valid EDID or NULL if we couldn't find any.
1929  */
1930 struct edid *drm_do_get_edid(struct drm_connector *connector,
1931         int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1932                               size_t len),
1933         void *data)
1934 {
1935         int i, j = 0, valid_extensions = 0;
1936         u8 *edid, *new;
1937         struct edid *override;
1938
1939         override = drm_get_override_edid(connector);
1940         if (override)
1941                 return override;
1942
1943         if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1944                 return NULL;
1945
1946         /* base block fetch */
1947         for (i = 0; i < 4; i++) {
1948                 if (get_edid_block(data, edid, 0, EDID_LENGTH))
1949                         goto out;
1950                 if (drm_edid_block_valid(edid, 0, false,
1951                                          &connector->edid_corrupt))
1952                         break;
1953                 if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1954                         connector->null_edid_counter++;
1955                         goto carp;
1956                 }
1957         }
1958         if (i == 4)
1959                 goto carp;
1960
1961         /* if there's no extensions, we're done */
1962         valid_extensions = edid[0x7e];
1963         if (valid_extensions == 0)
1964                 return (struct edid *)edid;
1965
1966         new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1967         if (!new)
1968                 goto out;
1969         edid = new;
1970
1971         for (j = 1; j <= edid[0x7e]; j++) {
1972                 u8 *block = edid + j * EDID_LENGTH;
1973
1974                 for (i = 0; i < 4; i++) {
1975                         if (get_edid_block(data, block, j, EDID_LENGTH))
1976                                 goto out;
1977                         if (drm_edid_block_valid(block, j, false, NULL))
1978                                 break;
1979                 }
1980
1981                 if (i == 4)
1982                         valid_extensions--;
1983         }
1984
1985         if (valid_extensions != edid[0x7e]) {
1986                 u8 *base;
1987
1988                 connector_bad_edid(connector, edid, edid[0x7e] + 1);
1989
1990                 edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
1991                 edid[0x7e] = valid_extensions;
1992
1993                 new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
1994                                     GFP_KERNEL);
1995                 if (!new)
1996                         goto out;
1997
1998                 base = new;
1999                 for (i = 0; i <= edid[0x7e]; i++) {
2000                         u8 *block = edid + i * EDID_LENGTH;
2001
2002                         if (!drm_edid_block_valid(block, i, false, NULL))
2003                                 continue;
2004
2005                         memcpy(base, block, EDID_LENGTH);
2006                         base += EDID_LENGTH;
2007                 }
2008
2009                 kfree(edid);
2010                 edid = new;
2011         }
2012
2013         return (struct edid *)edid;
2014
2015 carp:
2016         connector_bad_edid(connector, edid, 1);
2017 out:
2018         kfree(edid);
2019         return NULL;
2020 }
2021 EXPORT_SYMBOL_GPL(drm_do_get_edid);
2022
2023 /**
2024  * drm_probe_ddc() - probe DDC presence
2025  * @adapter: I2C adapter to probe
2026  *
2027  * Return: True on success, false on failure.
2028  */
2029 bool
2030 drm_probe_ddc(struct i2c_adapter *adapter)
2031 {
2032         unsigned char out;
2033
2034         return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2035 }
2036 EXPORT_SYMBOL(drm_probe_ddc);
2037
2038 /**
2039  * drm_get_edid - get EDID data, if available
2040  * @connector: connector we're probing
2041  * @adapter: I2C adapter to use for DDC
2042  *
2043  * Poke the given I2C channel to grab EDID data if possible.  If found,
2044  * attach it to the connector.
2045  *
2046  * Return: Pointer to valid EDID or NULL if we couldn't find any.
2047  */
2048 struct edid *drm_get_edid(struct drm_connector *connector,
2049                           struct i2c_adapter *adapter)
2050 {
2051         struct edid *edid;
2052
2053         if (connector->force == DRM_FORCE_OFF)
2054                 return NULL;
2055
2056         if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2057                 return NULL;
2058
2059         edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2060         drm_connector_update_edid_property(connector, edid);
2061         return edid;
2062 }
2063 EXPORT_SYMBOL(drm_get_edid);
2064
2065 /**
2066  * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2067  * @connector: connector we're probing
2068  * @adapter: I2C adapter to use for DDC
2069  *
2070  * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2071  * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2072  * switch DDC to the GPU which is retrieving EDID.
2073  *
2074  * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2075  */
2076 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2077                                      struct i2c_adapter *adapter)
2078 {
2079         struct drm_device *dev = connector->dev;
2080         struct pci_dev *pdev = to_pci_dev(dev->dev);
2081         struct edid *edid;
2082
2083         if (drm_WARN_ON_ONCE(dev, !dev_is_pci(dev->dev)))
2084                 return NULL;
2085
2086         vga_switcheroo_lock_ddc(pdev);
2087         edid = drm_get_edid(connector, adapter);
2088         vga_switcheroo_unlock_ddc(pdev);
2089
2090         return edid;
2091 }
2092 EXPORT_SYMBOL(drm_get_edid_switcheroo);
2093
2094 /**
2095  * drm_edid_duplicate - duplicate an EDID and the extensions
2096  * @edid: EDID to duplicate
2097  *
2098  * Return: Pointer to duplicated EDID or NULL on allocation failure.
2099  */
2100 struct edid *drm_edid_duplicate(const struct edid *edid)
2101 {
2102         return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2103 }
2104 EXPORT_SYMBOL(drm_edid_duplicate);
2105
2106 /*** EDID parsing ***/
2107
2108 /**
2109  * edid_vendor - match a string against EDID's obfuscated vendor field
2110  * @edid: EDID to match
2111  * @vendor: vendor string
2112  *
2113  * Returns true if @vendor is in @edid, false otherwise
2114  */
2115 static bool edid_vendor(const struct edid *edid, const char *vendor)
2116 {
2117         char edid_vendor[3];
2118
2119         edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
2120         edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
2121                           ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
2122         edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
2123
2124         return !strncmp(edid_vendor, vendor, 3);
2125 }
2126
2127 /**
2128  * edid_get_quirks - return quirk flags for a given EDID
2129  * @edid: EDID to process
2130  *
2131  * This tells subsequent routines what fixes they need to apply.
2132  */
2133 static u32 edid_get_quirks(const struct edid *edid)
2134 {
2135         const struct edid_quirk *quirk;
2136         int i;
2137
2138         for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2139                 quirk = &edid_quirk_list[i];
2140
2141                 if (edid_vendor(edid, quirk->vendor) &&
2142                     (EDID_PRODUCT_ID(edid) == quirk->product_id))
2143                         return quirk->quirks;
2144         }
2145
2146         return 0;
2147 }
2148
2149 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2150 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2151
2152 /**
2153  * edid_fixup_preferred - set preferred modes based on quirk list
2154  * @connector: has mode list to fix up
2155  * @quirks: quirks list
2156  *
2157  * Walk the mode list for @connector, clearing the preferred status
2158  * on existing modes and setting it anew for the right mode ala @quirks.
2159  */
2160 static void edid_fixup_preferred(struct drm_connector *connector,
2161                                  u32 quirks)
2162 {
2163         struct drm_display_mode *t, *cur_mode, *preferred_mode;
2164         int target_refresh = 0;
2165         int cur_vrefresh, preferred_vrefresh;
2166
2167         if (list_empty(&connector->probed_modes))
2168                 return;
2169
2170         if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2171                 target_refresh = 60;
2172         if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2173                 target_refresh = 75;
2174
2175         preferred_mode = list_first_entry(&connector->probed_modes,
2176                                           struct drm_display_mode, head);
2177
2178         list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2179                 cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2180
2181                 if (cur_mode == preferred_mode)
2182                         continue;
2183
2184                 /* Largest mode is preferred */
2185                 if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2186                         preferred_mode = cur_mode;
2187
2188                 cur_vrefresh = drm_mode_vrefresh(cur_mode);
2189                 preferred_vrefresh = drm_mode_vrefresh(preferred_mode);
2190                 /* At a given size, try to get closest to target refresh */
2191                 if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2192                     MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2193                     MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2194                         preferred_mode = cur_mode;
2195                 }
2196         }
2197
2198         preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2199 }
2200
2201 static bool
2202 mode_is_rb(const struct drm_display_mode *mode)
2203 {
2204         return (mode->htotal - mode->hdisplay == 160) &&
2205                (mode->hsync_end - mode->hdisplay == 80) &&
2206                (mode->hsync_end - mode->hsync_start == 32) &&
2207                (mode->vsync_start - mode->vdisplay == 3);
2208 }
2209
2210 /*
2211  * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2212  * @dev: Device to duplicate against
2213  * @hsize: Mode width
2214  * @vsize: Mode height
2215  * @fresh: Mode refresh rate
2216  * @rb: Mode reduced-blanking-ness
2217  *
2218  * Walk the DMT mode list looking for a match for the given parameters.
2219  *
2220  * Return: A newly allocated copy of the mode, or NULL if not found.
2221  */
2222 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2223                                            int hsize, int vsize, int fresh,
2224                                            bool rb)
2225 {
2226         int i;
2227
2228         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2229                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2230
2231                 if (hsize != ptr->hdisplay)
2232                         continue;
2233                 if (vsize != ptr->vdisplay)
2234                         continue;
2235                 if (fresh != drm_mode_vrefresh(ptr))
2236                         continue;
2237                 if (rb != mode_is_rb(ptr))
2238                         continue;
2239
2240                 return drm_mode_duplicate(dev, ptr);
2241         }
2242
2243         return NULL;
2244 }
2245 EXPORT_SYMBOL(drm_mode_find_dmt);
2246
2247 static bool is_display_descriptor(const u8 d[18], u8 tag)
2248 {
2249         return d[0] == 0x00 && d[1] == 0x00 &&
2250                 d[2] == 0x00 && d[3] == tag;
2251 }
2252
2253 static bool is_detailed_timing_descriptor(const u8 d[18])
2254 {
2255         return d[0] != 0x00 || d[1] != 0x00;
2256 }
2257
2258 typedef void detailed_cb(struct detailed_timing *timing, void *closure);
2259
2260 static void
2261 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2262 {
2263         int i, n;
2264         u8 d = ext[0x02];
2265         u8 *det_base = ext + d;
2266
2267         if (d < 4 || d > 127)
2268                 return;
2269
2270         n = (127 - d) / 18;
2271         for (i = 0; i < n; i++)
2272                 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2273 }
2274
2275 static void
2276 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2277 {
2278         unsigned int i, n = min((int)ext[0x02], 6);
2279         u8 *det_base = ext + 5;
2280
2281         if (ext[0x01] != 1)
2282                 return; /* unknown version */
2283
2284         for (i = 0; i < n; i++)
2285                 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2286 }
2287
2288 static void
2289 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
2290 {
2291         int i;
2292         struct edid *edid = (struct edid *)raw_edid;
2293
2294         if (edid == NULL)
2295                 return;
2296
2297         for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2298                 cb(&(edid->detailed_timings[i]), closure);
2299
2300         for (i = 1; i <= raw_edid[0x7e]; i++) {
2301                 u8 *ext = raw_edid + (i * EDID_LENGTH);
2302
2303                 switch (*ext) {
2304                 case CEA_EXT:
2305                         cea_for_each_detailed_block(ext, cb, closure);
2306                         break;
2307                 case VTB_EXT:
2308                         vtb_for_each_detailed_block(ext, cb, closure);
2309                         break;
2310                 default:
2311                         break;
2312                 }
2313         }
2314 }
2315
2316 static void
2317 is_rb(struct detailed_timing *t, void *data)
2318 {
2319         u8 *r = (u8 *)t;
2320
2321         if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2322                 return;
2323
2324         if (r[15] & 0x10)
2325                 *(bool *)data = true;
2326 }
2327
2328 /* EDID 1.4 defines this explicitly.  For EDID 1.3, we guess, badly. */
2329 static bool
2330 drm_monitor_supports_rb(struct edid *edid)
2331 {
2332         if (edid->revision >= 4) {
2333                 bool ret = false;
2334
2335                 drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2336                 return ret;
2337         }
2338
2339         return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2340 }
2341
2342 static void
2343 find_gtf2(struct detailed_timing *t, void *data)
2344 {
2345         u8 *r = (u8 *)t;
2346
2347         if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2348                 return;
2349
2350         if (r[10] == 0x02)
2351                 *(u8 **)data = r;
2352 }
2353
2354 /* Secondary GTF curve kicks in above some break frequency */
2355 static int
2356 drm_gtf2_hbreak(struct edid *edid)
2357 {
2358         u8 *r = NULL;
2359
2360         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2361         return r ? (r[12] * 2) : 0;
2362 }
2363
2364 static int
2365 drm_gtf2_2c(struct edid *edid)
2366 {
2367         u8 *r = NULL;
2368
2369         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2370         return r ? r[13] : 0;
2371 }
2372
2373 static int
2374 drm_gtf2_m(struct edid *edid)
2375 {
2376         u8 *r = NULL;
2377
2378         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2379         return r ? (r[15] << 8) + r[14] : 0;
2380 }
2381
2382 static int
2383 drm_gtf2_k(struct edid *edid)
2384 {
2385         u8 *r = NULL;
2386
2387         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2388         return r ? r[16] : 0;
2389 }
2390
2391 static int
2392 drm_gtf2_2j(struct edid *edid)
2393 {
2394         u8 *r = NULL;
2395
2396         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2397         return r ? r[17] : 0;
2398 }
2399
2400 /**
2401  * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2402  * @edid: EDID block to scan
2403  */
2404 static int standard_timing_level(struct edid *edid)
2405 {
2406         if (edid->revision >= 2) {
2407                 if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2408                         return LEVEL_CVT;
2409                 if (drm_gtf2_hbreak(edid))
2410                         return LEVEL_GTF2;
2411                 if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2412                         return LEVEL_GTF;
2413         }
2414         return LEVEL_DMT;
2415 }
2416
2417 /*
2418  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
2419  * monitors fill with ascii space (0x20) instead.
2420  */
2421 static int
2422 bad_std_timing(u8 a, u8 b)
2423 {
2424         return (a == 0x00 && b == 0x00) ||
2425                (a == 0x01 && b == 0x01) ||
2426                (a == 0x20 && b == 0x20);
2427 }
2428
2429 static int drm_mode_hsync(const struct drm_display_mode *mode)
2430 {
2431         if (mode->htotal <= 0)
2432                 return 0;
2433
2434         return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
2435 }
2436
2437 /**
2438  * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2439  * @connector: connector of for the EDID block
2440  * @edid: EDID block to scan
2441  * @t: standard timing params
2442  *
2443  * Take the standard timing params (in this case width, aspect, and refresh)
2444  * and convert them into a real mode using CVT/GTF/DMT.
2445  */
2446 static struct drm_display_mode *
2447 drm_mode_std(struct drm_connector *connector, struct edid *edid,
2448              struct std_timing *t)
2449 {
2450         struct drm_device *dev = connector->dev;
2451         struct drm_display_mode *m, *mode = NULL;
2452         int hsize, vsize;
2453         int vrefresh_rate;
2454         unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2455                 >> EDID_TIMING_ASPECT_SHIFT;
2456         unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2457                 >> EDID_TIMING_VFREQ_SHIFT;
2458         int timing_level = standard_timing_level(edid);
2459
2460         if (bad_std_timing(t->hsize, t->vfreq_aspect))
2461                 return NULL;
2462
2463         /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2464         hsize = t->hsize * 8 + 248;
2465         /* vrefresh_rate = vfreq + 60 */
2466         vrefresh_rate = vfreq + 60;
2467         /* the vdisplay is calculated based on the aspect ratio */
2468         if (aspect_ratio == 0) {
2469                 if (edid->revision < 3)
2470                         vsize = hsize;
2471                 else
2472                         vsize = (hsize * 10) / 16;
2473         } else if (aspect_ratio == 1)
2474                 vsize = (hsize * 3) / 4;
2475         else if (aspect_ratio == 2)
2476                 vsize = (hsize * 4) / 5;
2477         else
2478                 vsize = (hsize * 9) / 16;
2479
2480         /* HDTV hack, part 1 */
2481         if (vrefresh_rate == 60 &&
2482             ((hsize == 1360 && vsize == 765) ||
2483              (hsize == 1368 && vsize == 769))) {
2484                 hsize = 1366;
2485                 vsize = 768;
2486         }
2487
2488         /*
2489          * If this connector already has a mode for this size and refresh
2490          * rate (because it came from detailed or CVT info), use that
2491          * instead.  This way we don't have to guess at interlace or
2492          * reduced blanking.
2493          */
2494         list_for_each_entry(m, &connector->probed_modes, head)
2495                 if (m->hdisplay == hsize && m->vdisplay == vsize &&
2496                     drm_mode_vrefresh(m) == vrefresh_rate)
2497                         return NULL;
2498
2499         /* HDTV hack, part 2 */
2500         if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2501                 mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2502                                     false);
2503                 if (!mode)
2504                         return NULL;
2505                 mode->hdisplay = 1366;
2506                 mode->hsync_start = mode->hsync_start - 1;
2507                 mode->hsync_end = mode->hsync_end - 1;
2508                 return mode;
2509         }
2510
2511         /* check whether it can be found in default mode table */
2512         if (drm_monitor_supports_rb(edid)) {
2513                 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2514                                          true);
2515                 if (mode)
2516                         return mode;
2517         }
2518         mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2519         if (mode)
2520                 return mode;
2521
2522         /* okay, generate it */
2523         switch (timing_level) {
2524         case LEVEL_DMT:
2525                 break;
2526         case LEVEL_GTF:
2527                 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2528                 break;
2529         case LEVEL_GTF2:
2530                 /*
2531                  * This is potentially wrong if there's ever a monitor with
2532                  * more than one ranges section, each claiming a different
2533                  * secondary GTF curve.  Please don't do that.
2534                  */
2535                 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2536                 if (!mode)
2537                         return NULL;
2538                 if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2539                         drm_mode_destroy(dev, mode);
2540                         mode = drm_gtf_mode_complex(dev, hsize, vsize,
2541                                                     vrefresh_rate, 0, 0,
2542                                                     drm_gtf2_m(edid),
2543                                                     drm_gtf2_2c(edid),
2544                                                     drm_gtf2_k(edid),
2545                                                     drm_gtf2_2j(edid));
2546                 }
2547                 break;
2548         case LEVEL_CVT:
2549                 mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2550                                     false);
2551                 break;
2552         }
2553         return mode;
2554 }
2555
2556 /*
2557  * EDID is delightfully ambiguous about how interlaced modes are to be
2558  * encoded.  Our internal representation is of frame height, but some
2559  * HDTV detailed timings are encoded as field height.
2560  *
2561  * The format list here is from CEA, in frame size.  Technically we
2562  * should be checking refresh rate too.  Whatever.
2563  */
2564 static void
2565 drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2566                             struct detailed_pixel_timing *pt)
2567 {
2568         int i;
2569         static const struct {
2570                 int w, h;
2571         } cea_interlaced[] = {
2572                 { 1920, 1080 },
2573                 {  720,  480 },
2574                 { 1440,  480 },
2575                 { 2880,  480 },
2576                 {  720,  576 },
2577                 { 1440,  576 },
2578                 { 2880,  576 },
2579         };
2580
2581         if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2582                 return;
2583
2584         for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2585                 if ((mode->hdisplay == cea_interlaced[i].w) &&
2586                     (mode->vdisplay == cea_interlaced[i].h / 2)) {
2587                         mode->vdisplay *= 2;
2588                         mode->vsync_start *= 2;
2589                         mode->vsync_end *= 2;
2590                         mode->vtotal *= 2;
2591                         mode->vtotal |= 1;
2592                 }
2593         }
2594
2595         mode->flags |= DRM_MODE_FLAG_INTERLACE;
2596 }
2597
2598 /**
2599  * drm_mode_detailed - create a new mode from an EDID detailed timing section
2600  * @dev: DRM device (needed to create new mode)
2601  * @edid: EDID block
2602  * @timing: EDID detailed timing info
2603  * @quirks: quirks to apply
2604  *
2605  * An EDID detailed timing block contains enough info for us to create and
2606  * return a new struct drm_display_mode.
2607  */
2608 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2609                                                   struct edid *edid,
2610                                                   struct detailed_timing *timing,
2611                                                   u32 quirks)
2612 {
2613         struct drm_display_mode *mode;
2614         struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2615         unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2616         unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2617         unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2618         unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2619         unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2620         unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2621         unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2622         unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2623
2624         /* ignore tiny modes */
2625         if (hactive < 64 || vactive < 64)
2626                 return NULL;
2627
2628         if (pt->misc & DRM_EDID_PT_STEREO) {
2629                 DRM_DEBUG_KMS("stereo mode not supported\n");
2630                 return NULL;
2631         }
2632         if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2633                 DRM_DEBUG_KMS("composite sync not supported\n");
2634         }
2635
2636         /* it is incorrect if hsync/vsync width is zero */
2637         if (!hsync_pulse_width || !vsync_pulse_width) {
2638                 DRM_DEBUG_KMS("Incorrect Detailed timing. "
2639                                 "Wrong Hsync/Vsync pulse width\n");
2640                 return NULL;
2641         }
2642
2643         if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2644                 mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2645                 if (!mode)
2646                         return NULL;
2647
2648                 goto set_size;
2649         }
2650
2651         mode = drm_mode_create(dev);
2652         if (!mode)
2653                 return NULL;
2654
2655         if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2656                 timing->pixel_clock = cpu_to_le16(1088);
2657
2658         mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2659
2660         mode->hdisplay = hactive;
2661         mode->hsync_start = mode->hdisplay + hsync_offset;
2662         mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2663         mode->htotal = mode->hdisplay + hblank;
2664
2665         mode->vdisplay = vactive;
2666         mode->vsync_start = mode->vdisplay + vsync_offset;
2667         mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2668         mode->vtotal = mode->vdisplay + vblank;
2669
2670         /* Some EDIDs have bogus h/vtotal values */
2671         if (mode->hsync_end > mode->htotal)
2672                 mode->htotal = mode->hsync_end + 1;
2673         if (mode->vsync_end > mode->vtotal)
2674                 mode->vtotal = mode->vsync_end + 1;
2675
2676         drm_mode_do_interlace_quirk(mode, pt);
2677
2678         if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2679                 pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
2680         }
2681
2682         mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2683                 DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2684         mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2685                 DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2686
2687 set_size:
2688         mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2689         mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2690
2691         if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2692                 mode->width_mm *= 10;
2693                 mode->height_mm *= 10;
2694         }
2695
2696         if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2697                 mode->width_mm = edid->width_cm * 10;
2698                 mode->height_mm = edid->height_cm * 10;
2699         }
2700
2701         mode->type = DRM_MODE_TYPE_DRIVER;
2702         drm_mode_set_name(mode);
2703
2704         return mode;
2705 }
2706
2707 static bool
2708 mode_in_hsync_range(const struct drm_display_mode *mode,
2709                     struct edid *edid, u8 *t)
2710 {
2711         int hsync, hmin, hmax;
2712
2713         hmin = t[7];
2714         if (edid->revision >= 4)
2715             hmin += ((t[4] & 0x04) ? 255 : 0);
2716         hmax = t[8];
2717         if (edid->revision >= 4)
2718             hmax += ((t[4] & 0x08) ? 255 : 0);
2719         hsync = drm_mode_hsync(mode);
2720
2721         return (hsync <= hmax && hsync >= hmin);
2722 }
2723
2724 static bool
2725 mode_in_vsync_range(const struct drm_display_mode *mode,
2726                     struct edid *edid, u8 *t)
2727 {
2728         int vsync, vmin, vmax;
2729
2730         vmin = t[5];
2731         if (edid->revision >= 4)
2732             vmin += ((t[4] & 0x01) ? 255 : 0);
2733         vmax = t[6];
2734         if (edid->revision >= 4)
2735             vmax += ((t[4] & 0x02) ? 255 : 0);
2736         vsync = drm_mode_vrefresh(mode);
2737
2738         return (vsync <= vmax && vsync >= vmin);
2739 }
2740
2741 static u32
2742 range_pixel_clock(struct edid *edid, u8 *t)
2743 {
2744         /* unspecified */
2745         if (t[9] == 0 || t[9] == 255)
2746                 return 0;
2747
2748         /* 1.4 with CVT support gives us real precision, yay */
2749         if (edid->revision >= 4 && t[10] == 0x04)
2750                 return (t[9] * 10000) - ((t[12] >> 2) * 250);
2751
2752         /* 1.3 is pathetic, so fuzz up a bit */
2753         return t[9] * 10000 + 5001;
2754 }
2755
2756 static bool
2757 mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2758               struct detailed_timing *timing)
2759 {
2760         u32 max_clock;
2761         u8 *t = (u8 *)timing;
2762
2763         if (!mode_in_hsync_range(mode, edid, t))
2764                 return false;
2765
2766         if (!mode_in_vsync_range(mode, edid, t))
2767                 return false;
2768
2769         if ((max_clock = range_pixel_clock(edid, t)))
2770                 if (mode->clock > max_clock)
2771                         return false;
2772
2773         /* 1.4 max horizontal check */
2774         if (edid->revision >= 4 && t[10] == 0x04)
2775                 if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2776                         return false;
2777
2778         if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2779                 return false;
2780
2781         return true;
2782 }
2783
2784 static bool valid_inferred_mode(const struct drm_connector *connector,
2785                                 const struct drm_display_mode *mode)
2786 {
2787         const struct drm_display_mode *m;
2788         bool ok = false;
2789
2790         list_for_each_entry(m, &connector->probed_modes, head) {
2791                 if (mode->hdisplay == m->hdisplay &&
2792                     mode->vdisplay == m->vdisplay &&
2793                     drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2794                         return false; /* duplicated */
2795                 if (mode->hdisplay <= m->hdisplay &&
2796                     mode->vdisplay <= m->vdisplay)
2797                         ok = true;
2798         }
2799         return ok;
2800 }
2801
2802 static int
2803 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2804                         struct detailed_timing *timing)
2805 {
2806         int i, modes = 0;
2807         struct drm_display_mode *newmode;
2808         struct drm_device *dev = connector->dev;
2809
2810         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2811                 if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2812                     valid_inferred_mode(connector, drm_dmt_modes + i)) {
2813                         newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2814                         if (newmode) {
2815                                 drm_mode_probed_add(connector, newmode);
2816                                 modes++;
2817                         }
2818                 }
2819         }
2820
2821         return modes;
2822 }
2823
2824 /* fix up 1366x768 mode from 1368x768;
2825  * GFT/CVT can't express 1366 width which isn't dividable by 8
2826  */
2827 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2828 {
2829         if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2830                 mode->hdisplay = 1366;
2831                 mode->hsync_start--;
2832                 mode->hsync_end--;
2833                 drm_mode_set_name(mode);
2834         }
2835 }
2836
2837 static int
2838 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2839                         struct detailed_timing *timing)
2840 {
2841         int i, modes = 0;
2842         struct drm_display_mode *newmode;
2843         struct drm_device *dev = connector->dev;
2844
2845         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2846                 const struct minimode *m = &extra_modes[i];
2847
2848                 newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2849                 if (!newmode)
2850                         return modes;
2851
2852                 drm_mode_fixup_1366x768(newmode);
2853                 if (!mode_in_range(newmode, edid, timing) ||
2854                     !valid_inferred_mode(connector, newmode)) {
2855                         drm_mode_destroy(dev, newmode);
2856                         continue;
2857                 }
2858
2859                 drm_mode_probed_add(connector, newmode);
2860                 modes++;
2861         }
2862
2863         return modes;
2864 }
2865
2866 static int
2867 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2868                         struct detailed_timing *timing)
2869 {
2870         int i, modes = 0;
2871         struct drm_display_mode *newmode;
2872         struct drm_device *dev = connector->dev;
2873         bool rb = drm_monitor_supports_rb(edid);
2874
2875         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2876                 const struct minimode *m = &extra_modes[i];
2877
2878                 newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2879                 if (!newmode)
2880                         return modes;
2881
2882                 drm_mode_fixup_1366x768(newmode);
2883                 if (!mode_in_range(newmode, edid, timing) ||
2884                     !valid_inferred_mode(connector, newmode)) {
2885                         drm_mode_destroy(dev, newmode);
2886                         continue;
2887                 }
2888
2889                 drm_mode_probed_add(connector, newmode);
2890                 modes++;
2891         }
2892
2893         return modes;
2894 }
2895
2896 static void
2897 do_inferred_modes(struct detailed_timing *timing, void *c)
2898 {
2899         struct detailed_mode_closure *closure = c;
2900         struct detailed_non_pixel *data = &timing->data.other_data;
2901         struct detailed_data_monitor_range *range = &data->data.range;
2902
2903         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
2904                 return;
2905
2906         closure->modes += drm_dmt_modes_for_range(closure->connector,
2907                                                   closure->edid,
2908                                                   timing);
2909
2910         if (!version_greater(closure->edid, 1, 1))
2911                 return; /* GTF not defined yet */
2912
2913         switch (range->flags) {
2914         case 0x02: /* secondary gtf, XXX could do more */
2915         case 0x00: /* default gtf */
2916                 closure->modes += drm_gtf_modes_for_range(closure->connector,
2917                                                           closure->edid,
2918                                                           timing);
2919                 break;
2920         case 0x04: /* cvt, only in 1.4+ */
2921                 if (!version_greater(closure->edid, 1, 3))
2922                         break;
2923
2924                 closure->modes += drm_cvt_modes_for_range(closure->connector,
2925                                                           closure->edid,
2926                                                           timing);
2927                 break;
2928         case 0x01: /* just the ranges, no formula */
2929         default:
2930                 break;
2931         }
2932 }
2933
2934 static int
2935 add_inferred_modes(struct drm_connector *connector, struct edid *edid)
2936 {
2937         struct detailed_mode_closure closure = {
2938                 .connector = connector,
2939                 .edid = edid,
2940         };
2941
2942         if (version_greater(edid, 1, 0))
2943                 drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
2944                                             &closure);
2945
2946         return closure.modes;
2947 }
2948
2949 static int
2950 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
2951 {
2952         int i, j, m, modes = 0;
2953         struct drm_display_mode *mode;
2954         u8 *est = ((u8 *)timing) + 6;
2955
2956         for (i = 0; i < 6; i++) {
2957                 for (j = 7; j >= 0; j--) {
2958                         m = (i * 8) + (7 - j);
2959                         if (m >= ARRAY_SIZE(est3_modes))
2960                                 break;
2961                         if (est[i] & (1 << j)) {
2962                                 mode = drm_mode_find_dmt(connector->dev,
2963                                                          est3_modes[m].w,
2964                                                          est3_modes[m].h,
2965                                                          est3_modes[m].r,
2966                                                          est3_modes[m].rb);
2967                                 if (mode) {
2968                                         drm_mode_probed_add(connector, mode);
2969                                         modes++;
2970                                 }
2971                         }
2972                 }
2973         }
2974
2975         return modes;
2976 }
2977
2978 static void
2979 do_established_modes(struct detailed_timing *timing, void *c)
2980 {
2981         struct detailed_mode_closure *closure = c;
2982
2983         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_EST_TIMINGS))
2984                 return;
2985
2986         closure->modes += drm_est3_modes(closure->connector, timing);
2987 }
2988
2989 /**
2990  * add_established_modes - get est. modes from EDID and add them
2991  * @connector: connector to add mode(s) to
2992  * @edid: EDID block to scan
2993  *
2994  * Each EDID block contains a bitmap of the supported "established modes" list
2995  * (defined above).  Tease them out and add them to the global modes list.
2996  */
2997 static int
2998 add_established_modes(struct drm_connector *connector, struct edid *edid)
2999 {
3000         struct drm_device *dev = connector->dev;
3001         unsigned long est_bits = edid->established_timings.t1 |
3002                 (edid->established_timings.t2 << 8) |
3003                 ((edid->established_timings.mfg_rsvd & 0x80) << 9);
3004         int i, modes = 0;
3005         struct detailed_mode_closure closure = {
3006                 .connector = connector,
3007                 .edid = edid,
3008         };
3009
3010         for (i = 0; i <= EDID_EST_TIMINGS; i++) {
3011                 if (est_bits & (1<<i)) {
3012                         struct drm_display_mode *newmode;
3013
3014                         newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
3015                         if (newmode) {
3016                                 drm_mode_probed_add(connector, newmode);
3017                                 modes++;
3018                         }
3019                 }
3020         }
3021
3022         if (version_greater(edid, 1, 0))
3023                     drm_for_each_detailed_block((u8 *)edid,
3024                                                 do_established_modes, &closure);
3025
3026         return modes + closure.modes;
3027 }
3028
3029 static void
3030 do_standard_modes(struct detailed_timing *timing, void *c)
3031 {
3032         struct detailed_mode_closure *closure = c;
3033         struct detailed_non_pixel *data = &timing->data.other_data;
3034         struct drm_connector *connector = closure->connector;
3035         struct edid *edid = closure->edid;
3036         int i;
3037
3038         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_STD_MODES))
3039                 return;
3040
3041         for (i = 0; i < 6; i++) {
3042                 struct std_timing *std = &data->data.timings[i];
3043                 struct drm_display_mode *newmode;
3044
3045                 newmode = drm_mode_std(connector, edid, std);
3046                 if (newmode) {
3047                         drm_mode_probed_add(connector, newmode);
3048                         closure->modes++;
3049                 }
3050         }
3051 }
3052
3053 /**
3054  * add_standard_modes - get std. modes from EDID and add them
3055  * @connector: connector to add mode(s) to
3056  * @edid: EDID block to scan
3057  *
3058  * Standard modes can be calculated using the appropriate standard (DMT,
3059  * GTF or CVT. Grab them from @edid and add them to the list.
3060  */
3061 static int
3062 add_standard_modes(struct drm_connector *connector, struct edid *edid)
3063 {
3064         int i, modes = 0;
3065         struct detailed_mode_closure closure = {
3066                 .connector = connector,
3067                 .edid = edid,
3068         };
3069
3070         for (i = 0; i < EDID_STD_TIMINGS; i++) {
3071                 struct drm_display_mode *newmode;
3072
3073                 newmode = drm_mode_std(connector, edid,
3074                                        &edid->standard_timings[i]);
3075                 if (newmode) {
3076                         drm_mode_probed_add(connector, newmode);
3077                         modes++;
3078                 }
3079         }
3080
3081         if (version_greater(edid, 1, 0))
3082                 drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
3083                                             &closure);
3084
3085         /* XXX should also look for standard codes in VTB blocks */
3086
3087         return modes + closure.modes;
3088 }
3089
3090 static int drm_cvt_modes(struct drm_connector *connector,
3091                          struct detailed_timing *timing)
3092 {
3093         int i, j, modes = 0;
3094         struct drm_display_mode *newmode;
3095         struct drm_device *dev = connector->dev;
3096         struct cvt_timing *cvt;
3097         const int rates[] = { 60, 85, 75, 60, 50 };
3098         const u8 empty[3] = { 0, 0, 0 };
3099
3100         for (i = 0; i < 4; i++) {
3101                 int width, height;
3102
3103                 cvt = &(timing->data.other_data.data.cvt[i]);
3104
3105                 if (!memcmp(cvt->code, empty, 3))
3106                         continue;
3107
3108                 height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3109                 switch (cvt->code[1] & 0x0c) {
3110                 /* default - because compiler doesn't see that we've enumerated all cases */
3111                 default:
3112                 case 0x00:
3113                         width = height * 4 / 3;
3114                         break;
3115                 case 0x04:
3116                         width = height * 16 / 9;
3117                         break;
3118                 case 0x08:
3119                         width = height * 16 / 10;
3120                         break;
3121                 case 0x0c:
3122                         width = height * 15 / 9;
3123                         break;
3124                 }
3125
3126                 for (j = 1; j < 5; j++) {
3127                         if (cvt->code[2] & (1 << j)) {
3128                                 newmode = drm_cvt_mode(dev, width, height,
3129                                                        rates[j], j == 0,
3130                                                        false, false);
3131                                 if (newmode) {
3132                                         drm_mode_probed_add(connector, newmode);
3133                                         modes++;
3134                                 }
3135                         }
3136                 }
3137         }
3138
3139         return modes;
3140 }
3141
3142 static void
3143 do_cvt_mode(struct detailed_timing *timing, void *c)
3144 {
3145         struct detailed_mode_closure *closure = c;
3146
3147         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_CVT_3BYTE))
3148                 return;
3149
3150         closure->modes += drm_cvt_modes(closure->connector, timing);
3151 }
3152
3153 static int
3154 add_cvt_modes(struct drm_connector *connector, struct edid *edid)
3155 {
3156         struct detailed_mode_closure closure = {
3157                 .connector = connector,
3158                 .edid = edid,
3159         };
3160
3161         if (version_greater(edid, 1, 2))
3162                 drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
3163
3164         /* XXX should also look for CVT codes in VTB blocks */
3165
3166         return closure.modes;
3167 }
3168
3169 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3170
3171 static void
3172 do_detailed_mode(struct detailed_timing *timing, void *c)
3173 {
3174         struct detailed_mode_closure *closure = c;
3175         struct drm_display_mode *newmode;
3176
3177         if (!is_detailed_timing_descriptor((const u8 *)timing))
3178                 return;
3179
3180         newmode = drm_mode_detailed(closure->connector->dev,
3181                                     closure->edid, timing,
3182                                     closure->quirks);
3183         if (!newmode)
3184                 return;
3185
3186         if (closure->preferred)
3187                 newmode->type |= DRM_MODE_TYPE_PREFERRED;
3188
3189         /*
3190          * Detailed modes are limited to 10kHz pixel clock resolution,
3191          * so fix up anything that looks like CEA/HDMI mode, but the clock
3192          * is just slightly off.
3193          */
3194         fixup_detailed_cea_mode_clock(newmode);
3195
3196         drm_mode_probed_add(closure->connector, newmode);
3197         closure->modes++;
3198         closure->preferred = false;
3199 }
3200
3201 /*
3202  * add_detailed_modes - Add modes from detailed timings
3203  * @connector: attached connector
3204  * @edid: EDID block to scan
3205  * @quirks: quirks to apply
3206  */
3207 static int
3208 add_detailed_modes(struct drm_connector *connector, struct edid *edid,
3209                    u32 quirks)
3210 {
3211         struct detailed_mode_closure closure = {
3212                 .connector = connector,
3213                 .edid = edid,
3214                 .preferred = true,
3215                 .quirks = quirks,
3216         };
3217
3218         if (closure.preferred && !version_greater(edid, 1, 3))
3219                 closure.preferred =
3220                     (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3221
3222         drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
3223
3224         return closure.modes;
3225 }
3226
3227 #define AUDIO_BLOCK     0x01
3228 #define VIDEO_BLOCK     0x02
3229 #define VENDOR_BLOCK    0x03
3230 #define SPEAKER_BLOCK   0x04
3231 #define HDR_STATIC_METADATA_BLOCK       0x6
3232 #define USE_EXTENDED_TAG 0x07
3233 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3234 #define EXT_VIDEO_DATA_BLOCK_420        0x0E
3235 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3236 #define EDID_BASIC_AUDIO        (1 << 6)
3237 #define EDID_CEA_YCRCB444       (1 << 5)
3238 #define EDID_CEA_YCRCB422       (1 << 4)
3239 #define EDID_CEA_VCDB_QS        (1 << 6)
3240
3241 /*
3242  * Search EDID for CEA extension block.
3243  */
3244 static u8 *drm_find_edid_extension(const struct edid *edid,
3245                                    int ext_id, int *ext_index)
3246 {
3247         u8 *edid_ext = NULL;
3248         int i;
3249
3250         /* No EDID or EDID extensions */
3251         if (edid == NULL || edid->extensions == 0)
3252                 return NULL;
3253
3254         /* Find CEA extension */
3255         for (i = *ext_index; i < edid->extensions; i++) {
3256                 edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
3257                 if (edid_ext[0] == ext_id)
3258                         break;
3259         }
3260
3261         if (i >= edid->extensions)
3262                 return NULL;
3263
3264         *ext_index = i + 1;
3265
3266         return edid_ext;
3267 }
3268
3269
3270 static u8 *drm_find_displayid_extension(const struct edid *edid,
3271                                         int *length, int *idx,
3272                                         int *ext_index)
3273 {
3274         u8 *displayid = drm_find_edid_extension(edid, DISPLAYID_EXT, ext_index);
3275         struct displayid_hdr *base;
3276         int ret;
3277
3278         if (!displayid)
3279                 return NULL;
3280
3281         /* EDID extensions block checksum isn't for us */
3282         *length = EDID_LENGTH - 1;
3283         *idx = 1;
3284
3285         ret = validate_displayid(displayid, *length, *idx);
3286         if (ret)
3287                 return NULL;
3288
3289         base = (struct displayid_hdr *)&displayid[*idx];
3290         *length = *idx + sizeof(*base) + base->bytes;
3291
3292         return displayid;
3293 }
3294
3295 static u8 *drm_find_cea_extension(const struct edid *edid)
3296 {
3297         int length, idx;
3298         struct displayid_block *block;
3299         u8 *cea;
3300         u8 *displayid;
3301         int ext_index;
3302
3303         /* Look for a top level CEA extension block */
3304         /* FIXME: make callers iterate through multiple CEA ext blocks? */
3305         ext_index = 0;
3306         cea = drm_find_edid_extension(edid, CEA_EXT, &ext_index);
3307         if (cea)
3308                 return cea;
3309
3310         /* CEA blocks can also be found embedded in a DisplayID block */
3311         ext_index = 0;
3312         for (;;) {
3313                 displayid = drm_find_displayid_extension(edid, &length, &idx,
3314                                                          &ext_index);
3315                 if (!displayid)
3316                         return NULL;
3317
3318                 idx += sizeof(struct displayid_hdr);
3319                 for_each_displayid_db(displayid, block, idx, length) {
3320                         if (block->tag == DATA_BLOCK_CTA)
3321                                 return (u8 *)block;
3322                 }
3323         }
3324
3325         return NULL;
3326 }
3327
3328 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3329 {
3330         BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3331         BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3332
3333         if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3334                 return &edid_cea_modes_1[vic - 1];
3335         if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3336                 return &edid_cea_modes_193[vic - 193];
3337         return NULL;
3338 }
3339
3340 static u8 cea_num_vics(void)
3341 {
3342         return 193 + ARRAY_SIZE(edid_cea_modes_193);
3343 }
3344
3345 static u8 cea_next_vic(u8 vic)
3346 {
3347         if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3348                 vic = 193;
3349         return vic;
3350 }
3351
3352 /*
3353  * Calculate the alternate clock for the CEA mode
3354  * (60Hz vs. 59.94Hz etc.)
3355  */
3356 static unsigned int
3357 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3358 {
3359         unsigned int clock = cea_mode->clock;
3360
3361         if (drm_mode_vrefresh(cea_mode) % 6 != 0)
3362                 return clock;
3363
3364         /*
3365          * edid_cea_modes contains the 59.94Hz
3366          * variant for 240 and 480 line modes,
3367          * and the 60Hz variant otherwise.
3368          */
3369         if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3370                 clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3371         else
3372                 clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3373
3374         return clock;
3375 }
3376
3377 static bool
3378 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3379 {
3380         /*
3381          * For certain VICs the spec allows the vertical
3382          * front porch to vary by one or two lines.
3383          *
3384          * cea_modes[] stores the variant with the shortest
3385          * vertical front porch. We can adjust the mode to
3386          * get the other variants by simply increasing the
3387          * vertical front porch length.
3388          */
3389         BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3390                      cea_mode_for_vic(9)->vtotal != 262 ||
3391                      cea_mode_for_vic(12)->vtotal != 262 ||
3392                      cea_mode_for_vic(13)->vtotal != 262 ||
3393                      cea_mode_for_vic(23)->vtotal != 312 ||
3394                      cea_mode_for_vic(24)->vtotal != 312 ||
3395                      cea_mode_for_vic(27)->vtotal != 312 ||
3396                      cea_mode_for_vic(28)->vtotal != 312);
3397
3398         if (((vic == 8 || vic == 9 ||
3399               vic == 12 || vic == 13) && mode->vtotal < 263) ||
3400             ((vic == 23 || vic == 24 ||
3401               vic == 27 || vic == 28) && mode->vtotal < 314)) {
3402                 mode->vsync_start++;
3403                 mode->vsync_end++;
3404                 mode->vtotal++;
3405
3406                 return true;
3407         }
3408
3409         return false;
3410 }
3411
3412 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3413                                              unsigned int clock_tolerance)
3414 {
3415         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3416         u8 vic;
3417
3418         if (!to_match->clock)
3419                 return 0;
3420
3421         if (to_match->picture_aspect_ratio)
3422                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3423
3424         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3425                 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3426                 unsigned int clock1, clock2;
3427
3428                 /* Check both 60Hz and 59.94Hz */
3429                 clock1 = cea_mode.clock;
3430                 clock2 = cea_mode_alternate_clock(&cea_mode);
3431
3432                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3433                     abs(to_match->clock - clock2) > clock_tolerance)
3434                         continue;
3435
3436                 do {
3437                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3438                                 return vic;
3439                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3440         }
3441
3442         return 0;
3443 }
3444
3445 /**
3446  * drm_match_cea_mode - look for a CEA mode matching given mode
3447  * @to_match: display mode
3448  *
3449  * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3450  * mode.
3451  */
3452 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3453 {
3454         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3455         u8 vic;
3456
3457         if (!to_match->clock)
3458                 return 0;
3459
3460         if (to_match->picture_aspect_ratio)
3461                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3462
3463         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3464                 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3465                 unsigned int clock1, clock2;
3466
3467                 /* Check both 60Hz and 59.94Hz */
3468                 clock1 = cea_mode.clock;
3469                 clock2 = cea_mode_alternate_clock(&cea_mode);
3470
3471                 if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3472                     KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3473                         continue;
3474
3475                 do {
3476                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3477                                 return vic;
3478                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3479         }
3480
3481         return 0;
3482 }
3483 EXPORT_SYMBOL(drm_match_cea_mode);
3484
3485 static bool drm_valid_cea_vic(u8 vic)
3486 {
3487         return cea_mode_for_vic(vic) != NULL;
3488 }
3489
3490 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3491 {
3492         const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3493
3494         if (mode)
3495                 return mode->picture_aspect_ratio;
3496
3497         return HDMI_PICTURE_ASPECT_NONE;
3498 }
3499
3500 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3501 {
3502         return edid_4k_modes[video_code].picture_aspect_ratio;
3503 }
3504
3505 /*
3506  * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3507  * specific block).
3508  */
3509 static unsigned int
3510 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3511 {
3512         return cea_mode_alternate_clock(hdmi_mode);
3513 }
3514
3515 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3516                                               unsigned int clock_tolerance)
3517 {
3518         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3519         u8 vic;
3520
3521         if (!to_match->clock)
3522                 return 0;
3523
3524         if (to_match->picture_aspect_ratio)
3525                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3526
3527         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3528                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3529                 unsigned int clock1, clock2;
3530
3531                 /* Make sure to also match alternate clocks */
3532                 clock1 = hdmi_mode->clock;
3533                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3534
3535                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3536                     abs(to_match->clock - clock2) > clock_tolerance)
3537                         continue;
3538
3539                 if (drm_mode_match(to_match, hdmi_mode, match_flags))
3540                         return vic;
3541         }
3542
3543         return 0;
3544 }
3545
3546 /*
3547  * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3548  * @to_match: display mode
3549  *
3550  * An HDMI mode is one defined in the HDMI vendor specific block.
3551  *
3552  * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3553  */
3554 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3555 {
3556         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3557         u8 vic;
3558
3559         if (!to_match->clock)
3560                 return 0;
3561
3562         if (to_match->picture_aspect_ratio)
3563                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3564
3565         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3566                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3567                 unsigned int clock1, clock2;
3568
3569                 /* Make sure to also match alternate clocks */
3570                 clock1 = hdmi_mode->clock;
3571                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3572
3573                 if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3574                      KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3575                     drm_mode_match(to_match, hdmi_mode, match_flags))
3576                         return vic;
3577         }
3578         return 0;
3579 }
3580
3581 static bool drm_valid_hdmi_vic(u8 vic)
3582 {
3583         return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3584 }
3585
3586 static int
3587 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3588 {
3589         struct drm_device *dev = connector->dev;
3590         struct drm_display_mode *mode, *tmp;
3591         LIST_HEAD(list);
3592         int modes = 0;
3593
3594         /* Don't add CEA modes if the CEA extension block is missing */
3595         if (!drm_find_cea_extension(edid))
3596                 return 0;
3597
3598         /*
3599          * Go through all probed modes and create a new mode
3600          * with the alternate clock for certain CEA modes.
3601          */
3602         list_for_each_entry(mode, &connector->probed_modes, head) {
3603                 const struct drm_display_mode *cea_mode = NULL;
3604                 struct drm_display_mode *newmode;
3605                 u8 vic = drm_match_cea_mode(mode);
3606                 unsigned int clock1, clock2;
3607
3608                 if (drm_valid_cea_vic(vic)) {
3609                         cea_mode = cea_mode_for_vic(vic);
3610                         clock2 = cea_mode_alternate_clock(cea_mode);
3611                 } else {
3612                         vic = drm_match_hdmi_mode(mode);
3613                         if (drm_valid_hdmi_vic(vic)) {
3614                                 cea_mode = &edid_4k_modes[vic];
3615                                 clock2 = hdmi_mode_alternate_clock(cea_mode);
3616                         }
3617                 }
3618
3619                 if (!cea_mode)
3620                         continue;
3621
3622                 clock1 = cea_mode->clock;
3623
3624                 if (clock1 == clock2)
3625                         continue;
3626
3627                 if (mode->clock != clock1 && mode->clock != clock2)
3628                         continue;
3629
3630                 newmode = drm_mode_duplicate(dev, cea_mode);
3631                 if (!newmode)
3632                         continue;
3633
3634                 /* Carry over the stereo flags */
3635                 newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3636
3637                 /*
3638                  * The current mode could be either variant. Make
3639                  * sure to pick the "other" clock for the new mode.
3640                  */
3641                 if (mode->clock != clock1)
3642                         newmode->clock = clock1;
3643                 else
3644                         newmode->clock = clock2;
3645
3646                 list_add_tail(&newmode->head, &list);
3647         }
3648
3649         list_for_each_entry_safe(mode, tmp, &list, head) {
3650                 list_del(&mode->head);
3651                 drm_mode_probed_add(connector, mode);
3652                 modes++;
3653         }
3654
3655         return modes;
3656 }
3657
3658 static u8 svd_to_vic(u8 svd)
3659 {
3660         /* 0-6 bit vic, 7th bit native mode indicator */
3661         if ((svd >= 1 &&  svd <= 64) || (svd >= 129 && svd <= 192))
3662                 return svd & 127;
3663
3664         return svd;
3665 }
3666
3667 static struct drm_display_mode *
3668 drm_display_mode_from_vic_index(struct drm_connector *connector,
3669                                 const u8 *video_db, u8 video_len,
3670                                 u8 video_index)
3671 {
3672         struct drm_device *dev = connector->dev;
3673         struct drm_display_mode *newmode;
3674         u8 vic;
3675
3676         if (video_db == NULL || video_index >= video_len)
3677                 return NULL;
3678
3679         /* CEA modes are numbered 1..127 */
3680         vic = svd_to_vic(video_db[video_index]);
3681         if (!drm_valid_cea_vic(vic))
3682                 return NULL;
3683
3684         newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3685         if (!newmode)
3686                 return NULL;
3687
3688         return newmode;
3689 }
3690
3691 /*
3692  * do_y420vdb_modes - Parse YCBCR 420 only modes
3693  * @connector: connector corresponding to the HDMI sink
3694  * @svds: start of the data block of CEA YCBCR 420 VDB
3695  * @len: length of the CEA YCBCR 420 VDB
3696  *
3697  * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3698  * which contains modes which can be supported in YCBCR 420
3699  * output format only.
3700  */
3701 static int do_y420vdb_modes(struct drm_connector *connector,
3702                             const u8 *svds, u8 svds_len)
3703 {
3704         int modes = 0, i;
3705         struct drm_device *dev = connector->dev;
3706         struct drm_display_info *info = &connector->display_info;
3707         struct drm_hdmi_info *hdmi = &info->hdmi;
3708
3709         for (i = 0; i < svds_len; i++) {
3710                 u8 vic = svd_to_vic(svds[i]);
3711                 struct drm_display_mode *newmode;
3712
3713                 if (!drm_valid_cea_vic(vic))
3714                         continue;
3715
3716                 newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3717                 if (!newmode)
3718                         break;
3719                 bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3720                 drm_mode_probed_add(connector, newmode);
3721                 modes++;
3722         }
3723
3724         if (modes > 0)
3725                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3726         return modes;
3727 }
3728
3729 /*
3730  * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3731  * @connector: connector corresponding to the HDMI sink
3732  * @vic: CEA vic for the video mode to be added in the map
3733  *
3734  * Makes an entry for a videomode in the YCBCR 420 bitmap
3735  */
3736 static void
3737 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3738 {
3739         u8 vic = svd_to_vic(svd);
3740         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3741
3742         if (!drm_valid_cea_vic(vic))
3743                 return;
3744
3745         bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3746 }
3747
3748 /**
3749  * drm_display_mode_from_cea_vic() - return a mode for CEA VIC
3750  * @dev: DRM device
3751  * @video_code: CEA VIC of the mode
3752  *
3753  * Creates a new mode matching the specified CEA VIC.
3754  *
3755  * Returns: A new drm_display_mode on success or NULL on failure
3756  */
3757 struct drm_display_mode *
3758 drm_display_mode_from_cea_vic(struct drm_device *dev,
3759                               u8 video_code)
3760 {
3761         const struct drm_display_mode *cea_mode;
3762         struct drm_display_mode *newmode;
3763
3764         cea_mode = cea_mode_for_vic(video_code);
3765         if (!cea_mode)
3766                 return NULL;
3767
3768         newmode = drm_mode_duplicate(dev, cea_mode);
3769         if (!newmode)
3770                 return NULL;
3771
3772         return newmode;
3773 }
3774 EXPORT_SYMBOL(drm_display_mode_from_cea_vic);
3775
3776 static int
3777 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3778 {
3779         int i, modes = 0;
3780         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3781
3782         for (i = 0; i < len; i++) {
3783                 struct drm_display_mode *mode;
3784
3785                 mode = drm_display_mode_from_vic_index(connector, db, len, i);
3786                 if (mode) {
3787                         /*
3788                          * YCBCR420 capability block contains a bitmap which
3789                          * gives the index of CEA modes from CEA VDB, which
3790                          * can support YCBCR 420 sampling output also (apart
3791                          * from RGB/YCBCR444 etc).
3792                          * For example, if the bit 0 in bitmap is set,
3793                          * first mode in VDB can support YCBCR420 output too.
3794                          * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
3795                          */
3796                         if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
3797                                 drm_add_cmdb_modes(connector, db[i]);
3798
3799                         drm_mode_probed_add(connector, mode);
3800                         modes++;
3801                 }
3802         }
3803
3804         return modes;
3805 }
3806
3807 struct stereo_mandatory_mode {
3808         int width, height, vrefresh;
3809         unsigned int flags;
3810 };
3811
3812 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3813         { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3814         { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3815         { 1920, 1080, 50,
3816           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3817         { 1920, 1080, 60,
3818           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3819         { 1280, 720,  50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3820         { 1280, 720,  50, DRM_MODE_FLAG_3D_FRAME_PACKING },
3821         { 1280, 720,  60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3822         { 1280, 720,  60, DRM_MODE_FLAG_3D_FRAME_PACKING }
3823 };
3824
3825 static bool
3826 stereo_match_mandatory(const struct drm_display_mode *mode,
3827                        const struct stereo_mandatory_mode *stereo_mode)
3828 {
3829         unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
3830
3831         return mode->hdisplay == stereo_mode->width &&
3832                mode->vdisplay == stereo_mode->height &&
3833                interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
3834                drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
3835 }
3836
3837 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
3838 {
3839         struct drm_device *dev = connector->dev;
3840         const struct drm_display_mode *mode;
3841         struct list_head stereo_modes;
3842         int modes = 0, i;
3843
3844         INIT_LIST_HEAD(&stereo_modes);
3845
3846         list_for_each_entry(mode, &connector->probed_modes, head) {
3847                 for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
3848                         const struct stereo_mandatory_mode *mandatory;
3849                         struct drm_display_mode *new_mode;
3850
3851                         if (!stereo_match_mandatory(mode,
3852                                                     &stereo_mandatory_modes[i]))
3853                                 continue;
3854
3855                         mandatory = &stereo_mandatory_modes[i];
3856                         new_mode = drm_mode_duplicate(dev, mode);
3857                         if (!new_mode)
3858                                 continue;
3859
3860                         new_mode->flags |= mandatory->flags;
3861                         list_add_tail(&new_mode->head, &stereo_modes);
3862                         modes++;
3863                 }
3864         }
3865
3866         list_splice_tail(&stereo_modes, &connector->probed_modes);
3867
3868         return modes;
3869 }
3870
3871 static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
3872 {
3873         struct drm_device *dev = connector->dev;
3874         struct drm_display_mode *newmode;
3875
3876         if (!drm_valid_hdmi_vic(vic)) {
3877                 DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
3878                 return 0;
3879         }
3880
3881         newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
3882         if (!newmode)
3883                 return 0;
3884
3885         drm_mode_probed_add(connector, newmode);
3886
3887         return 1;
3888 }
3889
3890 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
3891                                const u8 *video_db, u8 video_len, u8 video_index)
3892 {
3893         struct drm_display_mode *newmode;
3894         int modes = 0;
3895
3896         if (structure & (1 << 0)) {
3897                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3898                                                           video_len,
3899                                                           video_index);
3900                 if (newmode) {
3901                         newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
3902                         drm_mode_probed_add(connector, newmode);
3903                         modes++;
3904                 }
3905         }
3906         if (structure & (1 << 6)) {
3907                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3908                                                           video_len,
3909                                                           video_index);
3910                 if (newmode) {
3911                         newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3912                         drm_mode_probed_add(connector, newmode);
3913                         modes++;
3914                 }
3915         }
3916         if (structure & (1 << 8)) {
3917                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3918                                                           video_len,
3919                                                           video_index);
3920                 if (newmode) {
3921                         newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3922                         drm_mode_probed_add(connector, newmode);
3923                         modes++;
3924                 }
3925         }
3926
3927         return modes;
3928 }
3929
3930 /*
3931  * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
3932  * @connector: connector corresponding to the HDMI sink
3933  * @db: start of the CEA vendor specific block
3934  * @len: length of the CEA block payload, ie. one can access up to db[len]
3935  *
3936  * Parses the HDMI VSDB looking for modes to add to @connector. This function
3937  * also adds the stereo 3d modes when applicable.
3938  */
3939 static int
3940 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
3941                    const u8 *video_db, u8 video_len)
3942 {
3943         struct drm_display_info *info = &connector->display_info;
3944         int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3945         u8 vic_len, hdmi_3d_len = 0;
3946         u16 mask;
3947         u16 structure_all;
3948
3949         if (len < 8)
3950                 goto out;
3951
3952         /* no HDMI_Video_Present */
3953         if (!(db[8] & (1 << 5)))
3954                 goto out;
3955
3956         /* Latency_Fields_Present */
3957         if (db[8] & (1 << 7))
3958                 offset += 2;
3959
3960         /* I_Latency_Fields_Present */
3961         if (db[8] & (1 << 6))
3962                 offset += 2;
3963
3964         /* the declared length is not long enough for the 2 first bytes
3965          * of additional video format capabilities */
3966         if (len < (8 + offset + 2))
3967                 goto out;
3968
3969         /* 3D_Present */
3970         offset++;
3971         if (db[8 + offset] & (1 << 7)) {
3972                 modes += add_hdmi_mandatory_stereo_modes(connector);
3973
3974                 /* 3D_Multi_present */
3975                 multi_present = (db[8 + offset] & 0x60) >> 5;
3976         }
3977
3978         offset++;
3979         vic_len = db[8 + offset] >> 5;
3980         hdmi_3d_len = db[8 + offset] & 0x1f;
3981
3982         for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
3983                 u8 vic;
3984
3985                 vic = db[9 + offset + i];
3986                 modes += add_hdmi_mode(connector, vic);
3987         }
3988         offset += 1 + vic_len;
3989
3990         if (multi_present == 1)
3991                 multi_len = 2;
3992         else if (multi_present == 2)
3993                 multi_len = 4;
3994         else
3995                 multi_len = 0;
3996
3997         if (len < (8 + offset + hdmi_3d_len - 1))
3998                 goto out;
3999
4000         if (hdmi_3d_len < multi_len)
4001                 goto out;
4002
4003         if (multi_present == 1 || multi_present == 2) {
4004                 /* 3D_Structure_ALL */
4005                 structure_all = (db[8 + offset] << 8) | db[9 + offset];
4006
4007                 /* check if 3D_MASK is present */
4008                 if (multi_present == 2)
4009                         mask = (db[10 + offset] << 8) | db[11 + offset];
4010                 else
4011                         mask = 0xffff;
4012
4013                 for (i = 0; i < 16; i++) {
4014                         if (mask & (1 << i))
4015                                 modes += add_3d_struct_modes(connector,
4016                                                 structure_all,
4017                                                 video_db,
4018                                                 video_len, i);
4019                 }
4020         }
4021
4022         offset += multi_len;
4023
4024         for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
4025                 int vic_index;
4026                 struct drm_display_mode *newmode = NULL;
4027                 unsigned int newflag = 0;
4028                 bool detail_present;
4029
4030                 detail_present = ((db[8 + offset + i] & 0x0f) > 7);
4031
4032                 if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
4033                         break;
4034
4035                 /* 2D_VIC_order_X */
4036                 vic_index = db[8 + offset + i] >> 4;
4037
4038                 /* 3D_Structure_X */
4039                 switch (db[8 + offset + i] & 0x0f) {
4040                 case 0:
4041                         newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
4042                         break;
4043                 case 6:
4044                         newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
4045                         break;
4046                 case 8:
4047                         /* 3D_Detail_X */
4048                         if ((db[9 + offset + i] >> 4) == 1)
4049                                 newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
4050                         break;
4051                 }
4052
4053                 if (newflag != 0) {
4054                         newmode = drm_display_mode_from_vic_index(connector,
4055                                                                   video_db,
4056                                                                   video_len,
4057                                                                   vic_index);
4058
4059                         if (newmode) {
4060                                 newmode->flags |= newflag;
4061                                 drm_mode_probed_add(connector, newmode);
4062                                 modes++;
4063                         }
4064                 }
4065
4066                 if (detail_present)
4067                         i++;
4068         }
4069
4070 out:
4071         if (modes > 0)
4072                 info->has_hdmi_infoframe = true;
4073         return modes;
4074 }
4075
4076 static int
4077 cea_db_payload_len(const u8 *db)
4078 {
4079         return db[0] & 0x1f;
4080 }
4081
4082 static int
4083 cea_db_extended_tag(const u8 *db)
4084 {
4085         return db[1];
4086 }
4087
4088 static int
4089 cea_db_tag(const u8 *db)
4090 {
4091         return db[0] >> 5;
4092 }
4093
4094 static int
4095 cea_revision(const u8 *cea)
4096 {
4097         /*
4098          * FIXME is this correct for the DispID variant?
4099          * The DispID spec doesn't really specify whether
4100          * this is the revision of the CEA extension or
4101          * the DispID CEA data block. And the only value
4102          * given as an example is 0.
4103          */
4104         return cea[1];
4105 }
4106
4107 static int
4108 cea_db_offsets(const u8 *cea, int *start, int *end)
4109 {
4110         /* DisplayID CTA extension blocks and top-level CEA EDID
4111          * block header definitions differ in the following bytes:
4112          *   1) Byte 2 of the header specifies length differently,
4113          *   2) Byte 3 is only present in the CEA top level block.
4114          *
4115          * The different definitions for byte 2 follow.
4116          *
4117          * DisplayID CTA extension block defines byte 2 as:
4118          *   Number of payload bytes
4119          *
4120          * CEA EDID block defines byte 2 as:
4121          *   Byte number (decimal) within this block where the 18-byte
4122          *   DTDs begin. If no non-DTD data is present in this extension
4123          *   block, the value should be set to 04h (the byte after next).
4124          *   If set to 00h, there are no DTDs present in this block and
4125          *   no non-DTD data.
4126          */
4127         if (cea[0] == DATA_BLOCK_CTA) {
4128                 /*
4129                  * for_each_displayid_db() has already verified
4130                  * that these stay within expected bounds.
4131                  */
4132                 *start = 3;
4133                 *end = *start + cea[2];
4134         } else if (cea[0] == CEA_EXT) {
4135                 /* Data block offset in CEA extension block */
4136                 *start = 4;
4137                 *end = cea[2];
4138                 if (*end == 0)
4139                         *end = 127;
4140                 if (*end < 4 || *end > 127)
4141                         return -ERANGE;
4142         } else {
4143                 return -EOPNOTSUPP;
4144         }
4145
4146         return 0;
4147 }
4148
4149 static bool cea_db_is_hdmi_vsdb(const u8 *db)
4150 {
4151         int hdmi_id;
4152
4153         if (cea_db_tag(db) != VENDOR_BLOCK)
4154                 return false;
4155
4156         if (cea_db_payload_len(db) < 5)
4157                 return false;
4158
4159         hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
4160
4161         return hdmi_id == HDMI_IEEE_OUI;
4162 }
4163
4164 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
4165 {
4166         unsigned int oui;
4167
4168         if (cea_db_tag(db) != VENDOR_BLOCK)
4169                 return false;
4170
4171         if (cea_db_payload_len(db) < 7)
4172                 return false;
4173
4174         oui = db[3] << 16 | db[2] << 8 | db[1];
4175
4176         return oui == HDMI_FORUM_IEEE_OUI;
4177 }
4178
4179 static bool cea_db_is_vcdb(const u8 *db)
4180 {
4181         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4182                 return false;
4183
4184         if (cea_db_payload_len(db) != 2)
4185                 return false;
4186
4187         if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK)
4188                 return false;
4189
4190         return true;
4191 }
4192
4193 static bool cea_db_is_y420cmdb(const u8 *db)
4194 {
4195         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4196                 return false;
4197
4198         if (!cea_db_payload_len(db))
4199                 return false;
4200
4201         if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
4202                 return false;
4203
4204         return true;
4205 }
4206
4207 static bool cea_db_is_y420vdb(const u8 *db)
4208 {
4209         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4210                 return false;
4211
4212         if (!cea_db_payload_len(db))
4213                 return false;
4214
4215         if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
4216                 return false;
4217
4218         return true;
4219 }
4220
4221 #define for_each_cea_db(cea, i, start, end) \
4222         for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
4223
4224 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
4225                                       const u8 *db)
4226 {
4227         struct drm_display_info *info = &connector->display_info;
4228         struct drm_hdmi_info *hdmi = &info->hdmi;
4229         u8 map_len = cea_db_payload_len(db) - 1;
4230         u8 count;
4231         u64 map = 0;
4232
4233         if (map_len == 0) {
4234                 /* All CEA modes support ycbcr420 sampling also.*/
4235                 hdmi->y420_cmdb_map = U64_MAX;
4236                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4237                 return;
4238         }
4239
4240         /*
4241          * This map indicates which of the existing CEA block modes
4242          * from VDB can support YCBCR420 output too. So if bit=0 is
4243          * set, first mode from VDB can support YCBCR420 output too.
4244          * We will parse and keep this map, before parsing VDB itself
4245          * to avoid going through the same block again and again.
4246          *
4247          * Spec is not clear about max possible size of this block.
4248          * Clamping max bitmap block size at 8 bytes. Every byte can
4249          * address 8 CEA modes, in this way this map can address
4250          * 8*8 = first 64 SVDs.
4251          */
4252         if (WARN_ON_ONCE(map_len > 8))
4253                 map_len = 8;
4254
4255         for (count = 0; count < map_len; count++)
4256                 map |= (u64)db[2 + count] << (8 * count);
4257
4258         if (map)
4259                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4260
4261         hdmi->y420_cmdb_map = map;
4262 }
4263
4264 static int
4265 add_cea_modes(struct drm_connector *connector, struct edid *edid)
4266 {
4267         const u8 *cea = drm_find_cea_extension(edid);
4268         const u8 *db, *hdmi = NULL, *video = NULL;
4269         u8 dbl, hdmi_len, video_len = 0;
4270         int modes = 0;
4271
4272         if (cea && cea_revision(cea) >= 3) {
4273                 int i, start, end;
4274
4275                 if (cea_db_offsets(cea, &start, &end))
4276                         return 0;
4277
4278                 for_each_cea_db(cea, i, start, end) {
4279                         db = &cea[i];
4280                         dbl = cea_db_payload_len(db);
4281
4282                         if (cea_db_tag(db) == VIDEO_BLOCK) {
4283                                 video = db + 1;
4284                                 video_len = dbl;
4285                                 modes += do_cea_modes(connector, video, dbl);
4286                         } else if (cea_db_is_hdmi_vsdb(db)) {
4287                                 hdmi = db;
4288                                 hdmi_len = dbl;
4289                         } else if (cea_db_is_y420vdb(db)) {
4290                                 const u8 *vdb420 = &db[2];
4291
4292                                 /* Add 4:2:0(only) modes present in EDID */
4293                                 modes += do_y420vdb_modes(connector,
4294                                                           vdb420,
4295                                                           dbl - 1);
4296                         }
4297                 }
4298         }
4299
4300         /*
4301          * We parse the HDMI VSDB after having added the cea modes as we will
4302          * be patching their flags when the sink supports stereo 3D.
4303          */
4304         if (hdmi)
4305                 modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
4306                                             video_len);
4307
4308         return modes;
4309 }
4310
4311 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
4312 {
4313         const struct drm_display_mode *cea_mode;
4314         int clock1, clock2, clock;
4315         u8 vic;
4316         const char *type;
4317
4318         /*
4319          * allow 5kHz clock difference either way to account for
4320          * the 10kHz clock resolution limit of detailed timings.
4321          */
4322         vic = drm_match_cea_mode_clock_tolerance(mode, 5);
4323         if (drm_valid_cea_vic(vic)) {
4324                 type = "CEA";
4325                 cea_mode = cea_mode_for_vic(vic);
4326                 clock1 = cea_mode->clock;
4327                 clock2 = cea_mode_alternate_clock(cea_mode);
4328         } else {
4329                 vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
4330                 if (drm_valid_hdmi_vic(vic)) {
4331                         type = "HDMI";
4332                         cea_mode = &edid_4k_modes[vic];
4333                         clock1 = cea_mode->clock;
4334                         clock2 = hdmi_mode_alternate_clock(cea_mode);
4335                 } else {
4336                         return;
4337                 }
4338         }
4339
4340         /* pick whichever is closest */
4341         if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
4342                 clock = clock1;
4343         else
4344                 clock = clock2;
4345
4346         if (mode->clock == clock)
4347                 return;
4348
4349         DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
4350                   type, vic, mode->clock, clock);
4351         mode->clock = clock;
4352 }
4353
4354 static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db)
4355 {
4356         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4357                 return false;
4358
4359         if (db[1] != HDR_STATIC_METADATA_BLOCK)
4360                 return false;
4361
4362         if (cea_db_payload_len(db) < 3)
4363                 return false;
4364
4365         return true;
4366 }
4367
4368 static uint8_t eotf_supported(const u8 *edid_ext)
4369 {
4370         return edid_ext[2] &
4371                 (BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
4372                  BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
4373                  BIT(HDMI_EOTF_SMPTE_ST2084) |
4374                  BIT(HDMI_EOTF_BT_2100_HLG));
4375 }
4376
4377 static uint8_t hdr_metadata_type(const u8 *edid_ext)
4378 {
4379         return edid_ext[3] &
4380                 BIT(HDMI_STATIC_METADATA_TYPE1);
4381 }
4382
4383 static void
4384 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
4385 {
4386         u16 len;
4387
4388         len = cea_db_payload_len(db);
4389
4390         connector->hdr_sink_metadata.hdmi_type1.eotf =
4391                                                 eotf_supported(db);
4392         connector->hdr_sink_metadata.hdmi_type1.metadata_type =
4393                                                 hdr_metadata_type(db);
4394
4395         if (len >= 4)
4396                 connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
4397         if (len >= 5)
4398                 connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
4399         if (len >= 6)
4400                 connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
4401 }
4402
4403 static void
4404 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
4405 {
4406         u8 len = cea_db_payload_len(db);
4407
4408         if (len >= 6 && (db[6] & (1 << 7)))
4409                 connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
4410         if (len >= 8) {
4411                 connector->latency_present[0] = db[8] >> 7;
4412                 connector->latency_present[1] = (db[8] >> 6) & 1;
4413         }
4414         if (len >= 9)
4415                 connector->video_latency[0] = db[9];
4416         if (len >= 10)
4417                 connector->audio_latency[0] = db[10];
4418         if (len >= 11)
4419                 connector->video_latency[1] = db[11];
4420         if (len >= 12)
4421                 connector->audio_latency[1] = db[12];
4422
4423         DRM_DEBUG_KMS("HDMI: latency present %d %d, "
4424                       "video latency %d %d, "
4425                       "audio latency %d %d\n",
4426                       connector->latency_present[0],
4427                       connector->latency_present[1],
4428                       connector->video_latency[0],
4429                       connector->video_latency[1],
4430                       connector->audio_latency[0],
4431                       connector->audio_latency[1]);
4432 }
4433
4434 static void
4435 monitor_name(struct detailed_timing *t, void *data)
4436 {
4437         if (!is_display_descriptor((const u8 *)t, EDID_DETAIL_MONITOR_NAME))
4438                 return;
4439
4440         *(u8 **)data = t->data.other_data.data.str.str;
4441 }
4442
4443 static int get_monitor_name(struct edid *edid, char name[13])
4444 {
4445         char *edid_name = NULL;
4446         int mnl;
4447
4448         if (!edid || !name)
4449                 return 0;
4450
4451         drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
4452         for (mnl = 0; edid_name && mnl < 13; mnl++) {
4453                 if (edid_name[mnl] == 0x0a)
4454                         break;
4455
4456                 name[mnl] = edid_name[mnl];
4457         }
4458
4459         return mnl;
4460 }
4461
4462 /**
4463  * drm_edid_get_monitor_name - fetch the monitor name from the edid
4464  * @edid: monitor EDID information
4465  * @name: pointer to a character array to hold the name of the monitor
4466  * @bufsize: The size of the name buffer (should be at least 14 chars.)
4467  *
4468  */
4469 void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
4470 {
4471         int name_length;
4472         char buf[13];
4473
4474         if (bufsize <= 0)
4475                 return;
4476
4477         name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4478         memcpy(name, buf, name_length);
4479         name[name_length] = '\0';
4480 }
4481 EXPORT_SYMBOL(drm_edid_get_monitor_name);
4482
4483 static void clear_eld(struct drm_connector *connector)
4484 {
4485         memset(connector->eld, 0, sizeof(connector->eld));
4486
4487         connector->latency_present[0] = false;
4488         connector->latency_present[1] = false;
4489         connector->video_latency[0] = 0;
4490         connector->audio_latency[0] = 0;
4491         connector->video_latency[1] = 0;
4492         connector->audio_latency[1] = 0;
4493 }
4494
4495 /*
4496  * drm_edid_to_eld - build ELD from EDID
4497  * @connector: connector corresponding to the HDMI/DP sink
4498  * @edid: EDID to parse
4499  *
4500  * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4501  * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4502  */
4503 static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
4504 {
4505         uint8_t *eld = connector->eld;
4506         u8 *cea;
4507         u8 *db;
4508         int total_sad_count = 0;
4509         int mnl;
4510         int dbl;
4511
4512         clear_eld(connector);
4513
4514         if (!edid)
4515                 return;
4516
4517         cea = drm_find_cea_extension(edid);
4518         if (!cea) {
4519                 DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4520                 return;
4521         }
4522
4523         mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4524         DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4525
4526         eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4527         eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4528
4529         eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4530
4531         eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4532         eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4533         eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4534         eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4535
4536         if (cea_revision(cea) >= 3) {
4537                 int i, start, end;
4538                 int sad_count;
4539
4540                 if (cea_db_offsets(cea, &start, &end)) {
4541                         start = 0;
4542                         end = 0;
4543                 }
4544
4545                 for_each_cea_db(cea, i, start, end) {
4546                         db = &cea[i];
4547                         dbl = cea_db_payload_len(db);
4548
4549                         switch (cea_db_tag(db)) {
4550                         case AUDIO_BLOCK:
4551                                 /* Audio Data Block, contains SADs */
4552                                 sad_count = min(dbl / 3, 15 - total_sad_count);
4553                                 if (sad_count >= 1)
4554                                         memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4555                                                &db[1], sad_count * 3);
4556                                 total_sad_count += sad_count;
4557                                 break;
4558                         case SPEAKER_BLOCK:
4559                                 /* Speaker Allocation Data Block */
4560                                 if (dbl >= 1)
4561                                         eld[DRM_ELD_SPEAKER] = db[1];
4562                                 break;
4563                         case VENDOR_BLOCK:
4564                                 /* HDMI Vendor-Specific Data Block */
4565                                 if (cea_db_is_hdmi_vsdb(db))
4566                                         drm_parse_hdmi_vsdb_audio(connector, db);
4567                                 break;
4568                         default:
4569                                 break;
4570                         }
4571                 }
4572         }
4573         eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4574
4575         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4576             connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4577                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4578         else
4579                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4580
4581         eld[DRM_ELD_BASELINE_ELD_LEN] =
4582                 DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4583
4584         DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4585                       drm_eld_size(eld), total_sad_count);
4586 }
4587
4588 /**
4589  * drm_edid_to_sad - extracts SADs from EDID
4590  * @edid: EDID to parse
4591  * @sads: pointer that will be set to the extracted SADs
4592  *
4593  * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4594  *
4595  * Note: The returned pointer needs to be freed using kfree().
4596  *
4597  * Return: The number of found SADs or negative number on error.
4598  */
4599 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
4600 {
4601         int count = 0;
4602         int i, start, end, dbl;
4603         u8 *cea;
4604
4605         cea = drm_find_cea_extension(edid);
4606         if (!cea) {
4607                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4608                 return 0;
4609         }
4610
4611         if (cea_revision(cea) < 3) {
4612                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4613                 return 0;
4614         }
4615
4616         if (cea_db_offsets(cea, &start, &end)) {
4617                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4618                 return -EPROTO;
4619         }
4620
4621         for_each_cea_db(cea, i, start, end) {
4622                 u8 *db = &cea[i];
4623
4624                 if (cea_db_tag(db) == AUDIO_BLOCK) {
4625                         int j;
4626
4627                         dbl = cea_db_payload_len(db);
4628
4629                         count = dbl / 3; /* SAD is 3B */
4630                         *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4631                         if (!*sads)
4632                                 return -ENOMEM;
4633                         for (j = 0; j < count; j++) {
4634                                 u8 *sad = &db[1 + j * 3];
4635
4636                                 (*sads)[j].format = (sad[0] & 0x78) >> 3;
4637                                 (*sads)[j].channels = sad[0] & 0x7;
4638                                 (*sads)[j].freq = sad[1] & 0x7F;
4639                                 (*sads)[j].byte2 = sad[2];
4640                         }
4641                         break;
4642                 }
4643         }
4644
4645         return count;
4646 }
4647 EXPORT_SYMBOL(drm_edid_to_sad);
4648
4649 /**
4650  * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4651  * @edid: EDID to parse
4652  * @sadb: pointer to the speaker block
4653  *
4654  * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4655  *
4656  * Note: The returned pointer needs to be freed using kfree().
4657  *
4658  * Return: The number of found Speaker Allocation Blocks or negative number on
4659  * error.
4660  */
4661 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
4662 {
4663         int count = 0;
4664         int i, start, end, dbl;
4665         const u8 *cea;
4666
4667         cea = drm_find_cea_extension(edid);
4668         if (!cea) {
4669                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4670                 return 0;
4671         }
4672
4673         if (cea_revision(cea) < 3) {
4674                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4675                 return 0;
4676         }
4677
4678         if (cea_db_offsets(cea, &start, &end)) {
4679                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4680                 return -EPROTO;
4681         }
4682
4683         for_each_cea_db(cea, i, start, end) {
4684                 const u8 *db = &cea[i];
4685
4686                 if (cea_db_tag(db) == SPEAKER_BLOCK) {
4687                         dbl = cea_db_payload_len(db);
4688
4689                         /* Speaker Allocation Data Block */
4690                         if (dbl == 3) {
4691                                 *sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4692                                 if (!*sadb)
4693                                         return -ENOMEM;
4694                                 count = dbl;
4695                                 break;
4696                         }
4697                 }
4698         }
4699
4700         return count;
4701 }
4702 EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4703
4704 /**
4705  * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4706  * @connector: connector associated with the HDMI/DP sink
4707  * @mode: the display mode
4708  *
4709  * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4710  * the sink doesn't support audio or video.
4711  */
4712 int drm_av_sync_delay(struct drm_connector *connector,
4713                       const struct drm_display_mode *mode)
4714 {
4715         int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4716         int a, v;
4717
4718         if (!connector->latency_present[0])
4719                 return 0;
4720         if (!connector->latency_present[1])
4721                 i = 0;
4722
4723         a = connector->audio_latency[i];
4724         v = connector->video_latency[i];
4725
4726         /*
4727          * HDMI/DP sink doesn't support audio or video?
4728          */
4729         if (a == 255 || v == 255)
4730                 return 0;
4731
4732         /*
4733          * Convert raw EDID values to millisecond.
4734          * Treat unknown latency as 0ms.
4735          */
4736         if (a)
4737                 a = min(2 * (a - 1), 500);
4738         if (v)
4739                 v = min(2 * (v - 1), 500);
4740
4741         return max(v - a, 0);
4742 }
4743 EXPORT_SYMBOL(drm_av_sync_delay);
4744
4745 /**
4746  * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4747  * @edid: monitor EDID information
4748  *
4749  * Parse the CEA extension according to CEA-861-B.
4750  *
4751  * Drivers that have added the modes parsed from EDID to drm_display_info
4752  * should use &drm_display_info.is_hdmi instead of calling this function.
4753  *
4754  * Return: True if the monitor is HDMI, false if not or unknown.
4755  */
4756 bool drm_detect_hdmi_monitor(struct edid *edid)
4757 {
4758         u8 *edid_ext;
4759         int i;
4760         int start_offset, end_offset;
4761
4762         edid_ext = drm_find_cea_extension(edid);
4763         if (!edid_ext)
4764                 return false;
4765
4766         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4767                 return false;
4768
4769         /*
4770          * Because HDMI identifier is in Vendor Specific Block,
4771          * search it from all data blocks of CEA extension.
4772          */
4773         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4774                 if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4775                         return true;
4776         }
4777
4778         return false;
4779 }
4780 EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4781
4782 /**
4783  * drm_detect_monitor_audio - check monitor audio capability
4784  * @edid: EDID block to scan
4785  *
4786  * Monitor should have CEA extension block.
4787  * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
4788  * audio' only. If there is any audio extension block and supported
4789  * audio format, assume at least 'basic audio' support, even if 'basic
4790  * audio' is not defined in EDID.
4791  *
4792  * Return: True if the monitor supports audio, false otherwise.
4793  */
4794 bool drm_detect_monitor_audio(struct edid *edid)
4795 {
4796         u8 *edid_ext;
4797         int i, j;
4798         bool has_audio = false;
4799         int start_offset, end_offset;
4800
4801         edid_ext = drm_find_cea_extension(edid);
4802         if (!edid_ext)
4803                 goto end;
4804
4805         has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0);
4806
4807         if (has_audio) {
4808                 DRM_DEBUG_KMS("Monitor has basic audio support\n");
4809                 goto end;
4810         }
4811
4812         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4813                 goto end;
4814
4815         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4816                 if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4817                         has_audio = true;
4818                         for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4819                                 DRM_DEBUG_KMS("CEA audio format %d\n",
4820                                               (edid_ext[i + j] >> 3) & 0xf);
4821                         goto end;
4822                 }
4823         }
4824 end:
4825         return has_audio;
4826 }
4827 EXPORT_SYMBOL(drm_detect_monitor_audio);
4828
4829
4830 /**
4831  * drm_default_rgb_quant_range - default RGB quantization range
4832  * @mode: display mode
4833  *
4834  * Determine the default RGB quantization range for the mode,
4835  * as specified in CEA-861.
4836  *
4837  * Return: The default RGB quantization range for the mode
4838  */
4839 enum hdmi_quantization_range
4840 drm_default_rgb_quant_range(const struct drm_display_mode *mode)
4841 {
4842         /* All CEA modes other than VIC 1 use limited quantization range. */
4843         return drm_match_cea_mode(mode) > 1 ?
4844                 HDMI_QUANTIZATION_RANGE_LIMITED :
4845                 HDMI_QUANTIZATION_RANGE_FULL;
4846 }
4847 EXPORT_SYMBOL(drm_default_rgb_quant_range);
4848
4849 static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
4850 {
4851         struct drm_display_info *info = &connector->display_info;
4852
4853         DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]);
4854
4855         if (db[2] & EDID_CEA_VCDB_QS)
4856                 info->rgb_quant_range_selectable = true;
4857 }
4858
4859 static
4860 void drm_get_max_frl_rate(int max_frl_rate, u8 *max_lanes, u8 *max_rate_per_lane)
4861 {
4862         switch (max_frl_rate) {
4863         case 1:
4864                 *max_lanes = 3;
4865                 *max_rate_per_lane = 3;
4866                 break;
4867         case 2:
4868                 *max_lanes = 3;
4869                 *max_rate_per_lane = 6;
4870                 break;
4871         case 3:
4872                 *max_lanes = 4;
4873                 *max_rate_per_lane = 6;
4874                 break;
4875         case 4:
4876                 *max_lanes = 4;
4877                 *max_rate_per_lane = 8;
4878                 break;
4879         case 5:
4880                 *max_lanes = 4;
4881                 *max_rate_per_lane = 10;
4882                 break;
4883         case 6:
4884                 *max_lanes = 4;
4885                 *max_rate_per_lane = 12;
4886                 break;
4887         case 0:
4888         default:
4889                 *max_lanes = 0;
4890                 *max_rate_per_lane = 0;
4891         }
4892 }
4893
4894 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4895                                                const u8 *db)
4896 {
4897         u8 dc_mask;
4898         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4899
4900         dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4901         hdmi->y420_dc_modes = dc_mask;
4902 }
4903
4904 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4905                                  const u8 *hf_vsdb)
4906 {
4907         struct drm_display_info *display = &connector->display_info;
4908         struct drm_hdmi_info *hdmi = &display->hdmi;
4909
4910         display->has_hdmi_infoframe = true;
4911
4912         if (hf_vsdb[6] & 0x80) {
4913                 hdmi->scdc.supported = true;
4914                 if (hf_vsdb[6] & 0x40)
4915                         hdmi->scdc.read_request = true;
4916         }
4917
4918         /*
4919          * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4920          * And as per the spec, three factors confirm this:
4921          * * Availability of a HF-VSDB block in EDID (check)
4922          * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4923          * * SCDC support available (let's check)
4924          * Lets check it out.
4925          */
4926
4927         if (hf_vsdb[5]) {
4928                 /* max clock is 5000 KHz times block value */
4929                 u32 max_tmds_clock = hf_vsdb[5] * 5000;
4930                 struct drm_scdc *scdc = &hdmi->scdc;
4931
4932                 if (max_tmds_clock > 340000) {
4933                         display->max_tmds_clock = max_tmds_clock;
4934                         DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4935                                 display->max_tmds_clock);
4936                 }
4937
4938                 if (scdc->supported) {
4939                         scdc->scrambling.supported = true;
4940
4941                         /* Few sinks support scrambling for clocks < 340M */
4942                         if ((hf_vsdb[6] & 0x8))
4943                                 scdc->scrambling.low_rates = true;
4944                 }
4945         }
4946
4947         if (hf_vsdb[7]) {
4948                 u8 max_frl_rate;
4949                 u8 dsc_max_frl_rate;
4950                 u8 dsc_max_slices;
4951                 struct drm_hdmi_dsc_cap *hdmi_dsc = &hdmi->dsc_cap;
4952
4953                 DRM_DEBUG_KMS("hdmi_21 sink detected. parsing edid\n");
4954                 max_frl_rate = (hf_vsdb[7] & DRM_EDID_MAX_FRL_RATE_MASK) >> 4;
4955                 drm_get_max_frl_rate(max_frl_rate, &hdmi->max_lanes,
4956                                      &hdmi->max_frl_rate_per_lane);
4957                 hdmi_dsc->v_1p2 = hf_vsdb[11] & DRM_EDID_DSC_1P2;
4958
4959                 if (hdmi_dsc->v_1p2) {
4960                         hdmi_dsc->native_420 = hf_vsdb[11] & DRM_EDID_DSC_NATIVE_420;
4961                         hdmi_dsc->all_bpp = hf_vsdb[11] & DRM_EDID_DSC_ALL_BPP;
4962
4963                         if (hf_vsdb[11] & DRM_EDID_DSC_16BPC)
4964                                 hdmi_dsc->bpc_supported = 16;
4965                         else if (hf_vsdb[11] & DRM_EDID_DSC_12BPC)
4966                                 hdmi_dsc->bpc_supported = 12;
4967                         else if (hf_vsdb[11] & DRM_EDID_DSC_10BPC)
4968                                 hdmi_dsc->bpc_supported = 10;
4969                         else
4970                                 hdmi_dsc->bpc_supported = 0;
4971
4972                         dsc_max_frl_rate = (hf_vsdb[12] & DRM_EDID_DSC_MAX_FRL_RATE_MASK) >> 4;
4973                         drm_get_max_frl_rate(dsc_max_frl_rate, &hdmi_dsc->max_lanes,
4974                                              &hdmi_dsc->max_frl_rate_per_lane);
4975                         hdmi_dsc->total_chunk_kbytes = hf_vsdb[13] & DRM_EDID_DSC_TOTAL_CHUNK_KBYTES;
4976
4977                         dsc_max_slices = hf_vsdb[12] & DRM_EDID_DSC_MAX_SLICES;
4978                         switch (dsc_max_slices) {
4979                         case 1:
4980                                 hdmi_dsc->max_slices = 1;
4981                                 hdmi_dsc->clk_per_slice = 340;
4982                                 break;
4983                         case 2:
4984                                 hdmi_dsc->max_slices = 2;
4985                                 hdmi_dsc->clk_per_slice = 340;
4986                                 break;
4987                         case 3:
4988                                 hdmi_dsc->max_slices = 4;
4989                                 hdmi_dsc->clk_per_slice = 340;
4990                                 break;
4991                         case 4:
4992                                 hdmi_dsc->max_slices = 8;
4993                                 hdmi_dsc->clk_per_slice = 340;
4994                                 break;
4995                         case 5:
4996                                 hdmi_dsc->max_slices = 8;
4997                                 hdmi_dsc->clk_per_slice = 400;
4998                                 break;
4999                         case 6:
5000                                 hdmi_dsc->max_slices = 12;
5001                                 hdmi_dsc->clk_per_slice = 400;
5002                                 break;
5003                         case 7:
5004                                 hdmi_dsc->max_slices = 16;
5005                                 hdmi_dsc->clk_per_slice = 400;
5006                                 break;
5007                         case 0:
5008                         default:
5009                                 hdmi_dsc->max_slices = 0;
5010                                 hdmi_dsc->clk_per_slice = 0;
5011                         }
5012                 }
5013         }
5014
5015         drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
5016 }
5017
5018 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
5019                                            const u8 *hdmi)
5020 {
5021         struct drm_display_info *info = &connector->display_info;
5022         unsigned int dc_bpc = 0;
5023
5024         /* HDMI supports at least 8 bpc */
5025         info->bpc = 8;
5026
5027         if (cea_db_payload_len(hdmi) < 6)
5028                 return;
5029
5030         if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
5031                 dc_bpc = 10;
5032                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
5033                 DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
5034                           connector->name);
5035         }
5036
5037         if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
5038                 dc_bpc = 12;
5039                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
5040                 DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
5041                           connector->name);
5042         }
5043
5044         if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
5045                 dc_bpc = 16;
5046                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
5047                 DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
5048                           connector->name);
5049         }
5050
5051         if (dc_bpc == 0) {
5052                 DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
5053                           connector->name);
5054                 return;
5055         }
5056
5057         DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
5058                   connector->name, dc_bpc);
5059         info->bpc = dc_bpc;
5060
5061         /*
5062          * Deep color support mandates RGB444 support for all video
5063          * modes and forbids YCRCB422 support for all video modes per
5064          * HDMI 1.3 spec.
5065          */
5066         info->color_formats = DRM_COLOR_FORMAT_RGB444;
5067
5068         /* YCRCB444 is optional according to spec. */
5069         if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
5070                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5071                 DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
5072                           connector->name);
5073         }
5074
5075         /*
5076          * Spec says that if any deep color mode is supported at all,
5077          * then deep color 36 bit must be supported.
5078          */
5079         if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
5080                 DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
5081                           connector->name);
5082         }
5083 }
5084
5085 static void
5086 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
5087 {
5088         struct drm_display_info *info = &connector->display_info;
5089         u8 len = cea_db_payload_len(db);
5090
5091         info->is_hdmi = true;
5092
5093         if (len >= 6)
5094                 info->dvi_dual = db[6] & 1;
5095         if (len >= 7)
5096                 info->max_tmds_clock = db[7] * 5000;
5097
5098         DRM_DEBUG_KMS("HDMI: DVI dual %d, "
5099                       "max TMDS clock %d kHz\n",
5100                       info->dvi_dual,
5101                       info->max_tmds_clock);
5102
5103         drm_parse_hdmi_deep_color_info(connector, db);
5104 }
5105
5106 static void drm_parse_cea_ext(struct drm_connector *connector,
5107                               const struct edid *edid)
5108 {
5109         struct drm_display_info *info = &connector->display_info;
5110         const u8 *edid_ext;
5111         int i, start, end;
5112
5113         edid_ext = drm_find_cea_extension(edid);
5114         if (!edid_ext)
5115                 return;
5116
5117         info->cea_rev = edid_ext[1];
5118
5119         /* The existence of a CEA block should imply RGB support */
5120         info->color_formats = DRM_COLOR_FORMAT_RGB444;
5121         if (edid_ext[3] & EDID_CEA_YCRCB444)
5122                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5123         if (edid_ext[3] & EDID_CEA_YCRCB422)
5124                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5125
5126         if (cea_db_offsets(edid_ext, &start, &end))
5127                 return;
5128
5129         for_each_cea_db(edid_ext, i, start, end) {
5130                 const u8 *db = &edid_ext[i];
5131
5132                 if (cea_db_is_hdmi_vsdb(db))
5133                         drm_parse_hdmi_vsdb_video(connector, db);
5134                 if (cea_db_is_hdmi_forum_vsdb(db))
5135                         drm_parse_hdmi_forum_vsdb(connector, db);
5136                 if (cea_db_is_y420cmdb(db))
5137                         drm_parse_y420cmdb_bitmap(connector, db);
5138                 if (cea_db_is_vcdb(db))
5139                         drm_parse_vcdb(connector, db);
5140                 if (cea_db_is_hdmi_hdr_metadata_block(db))
5141                         drm_parse_hdr_metadata_block(connector, db);
5142         }
5143 }
5144
5145 static
5146 void get_monitor_range(struct detailed_timing *timing,
5147                        void *info_monitor_range)
5148 {
5149         struct drm_monitor_range_info *monitor_range = info_monitor_range;
5150         const struct detailed_non_pixel *data = &timing->data.other_data;
5151         const struct detailed_data_monitor_range *range = &data->data.range;
5152
5153         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
5154                 return;
5155
5156         /*
5157          * Check for flag range limits only. If flag == 1 then
5158          * no additional timing information provided.
5159          * Default GTF, GTF Secondary curve and CVT are not
5160          * supported
5161          */
5162         if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
5163                 return;
5164
5165         monitor_range->min_vfreq = range->min_vfreq;
5166         monitor_range->max_vfreq = range->max_vfreq;
5167 }
5168
5169 static
5170 void drm_get_monitor_range(struct drm_connector *connector,
5171                            const struct edid *edid)
5172 {
5173         struct drm_display_info *info = &connector->display_info;
5174
5175         if (!version_greater(edid, 1, 1))
5176                 return;
5177
5178         drm_for_each_detailed_block((u8 *)edid, get_monitor_range,
5179                                     &info->monitor_range);
5180
5181         DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
5182                       info->monitor_range.min_vfreq,
5183                       info->monitor_range.max_vfreq);
5184 }
5185
5186 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
5187  * all of the values which would have been set from EDID
5188  */
5189 void
5190 drm_reset_display_info(struct drm_connector *connector)
5191 {
5192         struct drm_display_info *info = &connector->display_info;
5193
5194         info->width_mm = 0;
5195         info->height_mm = 0;
5196
5197         info->bpc = 0;
5198         info->color_formats = 0;
5199         info->cea_rev = 0;
5200         info->max_tmds_clock = 0;
5201         info->dvi_dual = false;
5202         info->is_hdmi = false;
5203         info->has_hdmi_infoframe = false;
5204         info->rgb_quant_range_selectable = false;
5205         memset(&info->hdmi, 0, sizeof(info->hdmi));
5206
5207         info->non_desktop = 0;
5208         memset(&info->monitor_range, 0, sizeof(info->monitor_range));
5209 }
5210
5211 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
5212 {
5213         struct drm_display_info *info = &connector->display_info;
5214
5215         u32 quirks = edid_get_quirks(edid);
5216
5217         drm_reset_display_info(connector);
5218
5219         info->width_mm = edid->width_cm * 10;
5220         info->height_mm = edid->height_cm * 10;
5221
5222         info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
5223
5224         drm_get_monitor_range(connector, edid);
5225
5226         DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
5227
5228         if (edid->revision < 3)
5229                 return quirks;
5230
5231         if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
5232                 return quirks;
5233
5234         drm_parse_cea_ext(connector, edid);
5235
5236         /*
5237          * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
5238          *
5239          * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
5240          * tells us to assume 8 bpc color depth if the EDID doesn't have
5241          * extensions which tell otherwise.
5242          */
5243         if (info->bpc == 0 && edid->revision == 3 &&
5244             edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
5245                 info->bpc = 8;
5246                 DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
5247                           connector->name, info->bpc);
5248         }
5249
5250         /* Only defined for 1.4 with digital displays */
5251         if (edid->revision < 4)
5252                 return quirks;
5253
5254         switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
5255         case DRM_EDID_DIGITAL_DEPTH_6:
5256                 info->bpc = 6;
5257                 break;
5258         case DRM_EDID_DIGITAL_DEPTH_8:
5259                 info->bpc = 8;
5260                 break;
5261         case DRM_EDID_DIGITAL_DEPTH_10:
5262                 info->bpc = 10;
5263                 break;
5264         case DRM_EDID_DIGITAL_DEPTH_12:
5265                 info->bpc = 12;
5266                 break;
5267         case DRM_EDID_DIGITAL_DEPTH_14:
5268                 info->bpc = 14;
5269                 break;
5270         case DRM_EDID_DIGITAL_DEPTH_16:
5271                 info->bpc = 16;
5272                 break;
5273         case DRM_EDID_DIGITAL_DEPTH_UNDEF:
5274         default:
5275                 info->bpc = 0;
5276                 break;
5277         }
5278
5279         DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
5280                           connector->name, info->bpc);
5281
5282         info->color_formats |= DRM_COLOR_FORMAT_RGB444;
5283         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
5284                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5285         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
5286                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5287         return quirks;
5288 }
5289
5290 static int validate_displayid(u8 *displayid, int length, int idx)
5291 {
5292         int i, dispid_length;
5293         u8 csum = 0;
5294         struct displayid_hdr *base;
5295
5296         base = (struct displayid_hdr *)&displayid[idx];
5297
5298         DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n",
5299                       base->rev, base->bytes, base->prod_id, base->ext_count);
5300
5301         /* +1 for DispID checksum */
5302         dispid_length = sizeof(*base) + base->bytes + 1;
5303         if (dispid_length > length - idx)
5304                 return -EINVAL;
5305
5306         for (i = 0; i < dispid_length; i++)
5307                 csum += displayid[idx + i];
5308         if (csum) {
5309                 DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum);
5310                 return -EINVAL;
5311         }
5312
5313         return 0;
5314 }
5315
5316 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5317                                                             struct displayid_detailed_timings_1 *timings)
5318 {
5319         struct drm_display_mode *mode;
5320         unsigned pixel_clock = (timings->pixel_clock[0] |
5321                                 (timings->pixel_clock[1] << 8) |
5322                                 (timings->pixel_clock[2] << 16)) + 1;
5323         unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5324         unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5325         unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5326         unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5327         unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5328         unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5329         unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5330         unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5331         bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5332         bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5333
5334         mode = drm_mode_create(dev);
5335         if (!mode)
5336                 return NULL;
5337
5338         mode->clock = pixel_clock * 10;
5339         mode->hdisplay = hactive;
5340         mode->hsync_start = mode->hdisplay + hsync;
5341         mode->hsync_end = mode->hsync_start + hsync_width;
5342         mode->htotal = mode->hdisplay + hblank;
5343
5344         mode->vdisplay = vactive;
5345         mode->vsync_start = mode->vdisplay + vsync;
5346         mode->vsync_end = mode->vsync_start + vsync_width;
5347         mode->vtotal = mode->vdisplay + vblank;
5348
5349         mode->flags = 0;
5350         mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5351         mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5352         mode->type = DRM_MODE_TYPE_DRIVER;
5353
5354         if (timings->flags & 0x80)
5355                 mode->type |= DRM_MODE_TYPE_PREFERRED;
5356         drm_mode_set_name(mode);
5357
5358         return mode;
5359 }
5360
5361 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5362                                           struct displayid_block *block)
5363 {
5364         struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5365         int i;
5366         int num_timings;
5367         struct drm_display_mode *newmode;
5368         int num_modes = 0;
5369         /* blocks must be multiple of 20 bytes length */
5370         if (block->num_bytes % 20)
5371                 return 0;
5372
5373         num_timings = block->num_bytes / 20;
5374         for (i = 0; i < num_timings; i++) {
5375                 struct displayid_detailed_timings_1 *timings = &det->timings[i];
5376
5377                 newmode = drm_mode_displayid_detailed(connector->dev, timings);
5378                 if (!newmode)
5379                         continue;
5380
5381                 drm_mode_probed_add(connector, newmode);
5382                 num_modes++;
5383         }
5384         return num_modes;
5385 }
5386
5387 static int add_displayid_detailed_modes(struct drm_connector *connector,
5388                                         struct edid *edid)
5389 {
5390         u8 *displayid;
5391         int length, idx;
5392         struct displayid_block *block;
5393         int num_modes = 0;
5394         int ext_index = 0;
5395
5396         for (;;) {
5397                 displayid = drm_find_displayid_extension(edid, &length, &idx,
5398                                                          &ext_index);
5399                 if (!displayid)
5400                         break;
5401
5402                 idx += sizeof(struct displayid_hdr);
5403                 for_each_displayid_db(displayid, block, idx, length) {
5404                         switch (block->tag) {
5405                         case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5406                                 num_modes += add_displayid_detailed_1_modes(connector, block);
5407                                 break;
5408                         }
5409                 }
5410         }
5411
5412         return num_modes;
5413 }
5414
5415 /**
5416  * drm_add_edid_modes - add modes from EDID data, if available
5417  * @connector: connector we're probing
5418  * @edid: EDID data
5419  *
5420  * Add the specified modes to the connector's mode list. Also fills out the
5421  * &drm_display_info structure and ELD in @connector with any information which
5422  * can be derived from the edid.
5423  *
5424  * Return: The number of modes added or 0 if we couldn't find any.
5425  */
5426 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5427 {
5428         int num_modes = 0;
5429         u32 quirks;
5430
5431         if (edid == NULL) {
5432                 clear_eld(connector);
5433                 return 0;
5434         }
5435         if (!drm_edid_is_valid(edid)) {
5436                 clear_eld(connector);
5437                 drm_warn(connector->dev, "%s: EDID invalid.\n",
5438                          connector->name);
5439                 return 0;
5440         }
5441
5442         drm_edid_to_eld(connector, edid);
5443
5444         /*
5445          * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5446          * To avoid multiple parsing of same block, lets parse that map
5447          * from sink info, before parsing CEA modes.
5448          */
5449         quirks = drm_add_display_info(connector, edid);
5450
5451         /*
5452          * EDID spec says modes should be preferred in this order:
5453          * - preferred detailed mode
5454          * - other detailed modes from base block
5455          * - detailed modes from extension blocks
5456          * - CVT 3-byte code modes
5457          * - standard timing codes
5458          * - established timing codes
5459          * - modes inferred from GTF or CVT range information
5460          *
5461          * We get this pretty much right.
5462          *
5463          * XXX order for additional mode types in extension blocks?
5464          */
5465         num_modes += add_detailed_modes(connector, edid, quirks);
5466         num_modes += add_cvt_modes(connector, edid);
5467         num_modes += add_standard_modes(connector, edid);
5468         num_modes += add_established_modes(connector, edid);
5469         num_modes += add_cea_modes(connector, edid);
5470         num_modes += add_alternate_cea_modes(connector, edid);
5471         num_modes += add_displayid_detailed_modes(connector, edid);
5472         if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5473                 num_modes += add_inferred_modes(connector, edid);
5474
5475         if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5476                 edid_fixup_preferred(connector, quirks);
5477
5478         if (quirks & EDID_QUIRK_FORCE_6BPC)
5479                 connector->display_info.bpc = 6;
5480
5481         if (quirks & EDID_QUIRK_FORCE_8BPC)
5482                 connector->display_info.bpc = 8;
5483
5484         if (quirks & EDID_QUIRK_FORCE_10BPC)
5485                 connector->display_info.bpc = 10;
5486
5487         if (quirks & EDID_QUIRK_FORCE_12BPC)
5488                 connector->display_info.bpc = 12;
5489
5490         return num_modes;
5491 }
5492 EXPORT_SYMBOL(drm_add_edid_modes);
5493
5494 /**
5495  * drm_add_modes_noedid - add modes for the connectors without EDID
5496  * @connector: connector we're probing
5497  * @hdisplay: the horizontal display limit
5498  * @vdisplay: the vertical display limit
5499  *
5500  * Add the specified modes to the connector's mode list. Only when the
5501  * hdisplay/vdisplay is not beyond the given limit, it will be added.
5502  *
5503  * Return: The number of modes added or 0 if we couldn't find any.
5504  */
5505 int drm_add_modes_noedid(struct drm_connector *connector,
5506                         int hdisplay, int vdisplay)
5507 {
5508         int i, count, num_modes = 0;
5509         struct drm_display_mode *mode;
5510         struct drm_device *dev = connector->dev;
5511
5512         count = ARRAY_SIZE(drm_dmt_modes);
5513         if (hdisplay < 0)
5514                 hdisplay = 0;
5515         if (vdisplay < 0)
5516                 vdisplay = 0;
5517
5518         for (i = 0; i < count; i++) {
5519                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5520
5521                 if (hdisplay && vdisplay) {
5522                         /*
5523                          * Only when two are valid, they will be used to check
5524                          * whether the mode should be added to the mode list of
5525                          * the connector.
5526                          */
5527                         if (ptr->hdisplay > hdisplay ||
5528                                         ptr->vdisplay > vdisplay)
5529                                 continue;
5530                 }
5531                 if (drm_mode_vrefresh(ptr) > 61)
5532                         continue;
5533                 mode = drm_mode_duplicate(dev, ptr);
5534                 if (mode) {
5535                         drm_mode_probed_add(connector, mode);
5536                         num_modes++;
5537                 }
5538         }
5539         return num_modes;
5540 }
5541 EXPORT_SYMBOL(drm_add_modes_noedid);
5542
5543 /**
5544  * drm_set_preferred_mode - Sets the preferred mode of a connector
5545  * @connector: connector whose mode list should be processed
5546  * @hpref: horizontal resolution of preferred mode
5547  * @vpref: vertical resolution of preferred mode
5548  *
5549  * Marks a mode as preferred if it matches the resolution specified by @hpref
5550  * and @vpref.
5551  */
5552 void drm_set_preferred_mode(struct drm_connector *connector,
5553                            int hpref, int vpref)
5554 {
5555         struct drm_display_mode *mode;
5556
5557         list_for_each_entry(mode, &connector->probed_modes, head) {
5558                 if (mode->hdisplay == hpref &&
5559                     mode->vdisplay == vpref)
5560                         mode->type |= DRM_MODE_TYPE_PREFERRED;
5561         }
5562 }
5563 EXPORT_SYMBOL(drm_set_preferred_mode);
5564
5565 static bool is_hdmi2_sink(const struct drm_connector *connector)
5566 {
5567         /*
5568          * FIXME: sil-sii8620 doesn't have a connector around when
5569          * we need one, so we have to be prepared for a NULL connector.
5570          */
5571         if (!connector)
5572                 return true;
5573
5574         return connector->display_info.hdmi.scdc.supported ||
5575                 connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420;
5576 }
5577
5578 static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
5579 {
5580         return sink_eotf & BIT(output_eotf);
5581 }
5582
5583 /**
5584  * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
5585  *                                         HDR metadata from userspace
5586  * @frame: HDMI DRM infoframe
5587  * @conn_state: Connector state containing HDR metadata
5588  *
5589  * Return: 0 on success or a negative error code on failure.
5590  */
5591 int
5592 drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
5593                                     const struct drm_connector_state *conn_state)
5594 {
5595         struct drm_connector *connector;
5596         struct hdr_output_metadata *hdr_metadata;
5597         int err;
5598
5599         if (!frame || !conn_state)
5600                 return -EINVAL;
5601
5602         connector = conn_state->connector;
5603
5604         if (!conn_state->hdr_output_metadata)
5605                 return -EINVAL;
5606
5607         hdr_metadata = conn_state->hdr_output_metadata->data;
5608
5609         if (!hdr_metadata || !connector)
5610                 return -EINVAL;
5611
5612         /* Sink EOTF is Bit map while infoframe is absolute values */
5613         if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
5614             connector->hdr_sink_metadata.hdmi_type1.eotf)) {
5615                 DRM_DEBUG_KMS("EOTF Not Supported\n");
5616                 return -EINVAL;
5617         }
5618
5619         err = hdmi_drm_infoframe_init(frame);
5620         if (err < 0)
5621                 return err;
5622
5623         frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
5624         frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
5625
5626         BUILD_BUG_ON(sizeof(frame->display_primaries) !=
5627                      sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
5628         BUILD_BUG_ON(sizeof(frame->white_point) !=
5629                      sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
5630
5631         memcpy(&frame->display_primaries,
5632                &hdr_metadata->hdmi_metadata_type1.display_primaries,
5633                sizeof(frame->display_primaries));
5634
5635         memcpy(&frame->white_point,
5636                &hdr_metadata->hdmi_metadata_type1.white_point,
5637                sizeof(frame->white_point));
5638
5639         frame->max_display_mastering_luminance =
5640                 hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
5641         frame->min_display_mastering_luminance =
5642                 hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
5643         frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
5644         frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
5645
5646         return 0;
5647 }
5648 EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
5649
5650 static u8 drm_mode_hdmi_vic(const struct drm_connector *connector,
5651                             const struct drm_display_mode *mode)
5652 {
5653         bool has_hdmi_infoframe = connector ?
5654                 connector->display_info.has_hdmi_infoframe : false;
5655
5656         if (!has_hdmi_infoframe)
5657                 return 0;
5658
5659         /* No HDMI VIC when signalling 3D video format */
5660         if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5661                 return 0;
5662
5663         return drm_match_hdmi_mode(mode);
5664 }
5665
5666 static u8 drm_mode_cea_vic(const struct drm_connector *connector,
5667                            const struct drm_display_mode *mode)
5668 {
5669         u8 vic;
5670
5671         /*
5672          * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5673          * we should send its VIC in vendor infoframes, else send the
5674          * VIC in AVI infoframes. Lets check if this mode is present in
5675          * HDMI 1.4b 4K modes
5676          */
5677         if (drm_mode_hdmi_vic(connector, mode))
5678                 return 0;
5679
5680         vic = drm_match_cea_mode(mode);
5681
5682         /*
5683          * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5684          * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5685          * have to make sure we dont break HDMI 1.4 sinks.
5686          */
5687         if (!is_hdmi2_sink(connector) && vic > 64)
5688                 return 0;
5689
5690         return vic;
5691 }
5692
5693 /**
5694  * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5695  *                                              data from a DRM display mode
5696  * @frame: HDMI AVI infoframe
5697  * @connector: the connector
5698  * @mode: DRM display mode
5699  *
5700  * Return: 0 on success or a negative error code on failure.
5701  */
5702 int
5703 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5704                                          const struct drm_connector *connector,
5705                                          const struct drm_display_mode *mode)
5706 {
5707         enum hdmi_picture_aspect picture_aspect;
5708         u8 vic, hdmi_vic;
5709
5710         if (!frame || !mode)
5711                 return -EINVAL;
5712
5713         hdmi_avi_infoframe_init(frame);
5714
5715         if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5716                 frame->pixel_repeat = 1;
5717
5718         vic = drm_mode_cea_vic(connector, mode);
5719         hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5720
5721         frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5722
5723         /*
5724          * As some drivers don't support atomic, we can't use connector state.
5725          * So just initialize the frame with default values, just the same way
5726          * as it's done with other properties here.
5727          */
5728         frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5729         frame->itc = 0;
5730
5731         /*
5732          * Populate picture aspect ratio from either
5733          * user input (if specified) or from the CEA/HDMI mode lists.
5734          */
5735         picture_aspect = mode->picture_aspect_ratio;
5736         if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5737                 if (vic)
5738                         picture_aspect = drm_get_cea_aspect_ratio(vic);
5739                 else if (hdmi_vic)
5740                         picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5741         }
5742
5743         /*
5744          * The infoframe can't convey anything but none, 4:3
5745          * and 16:9, so if the user has asked for anything else
5746          * we can only satisfy it by specifying the right VIC.
5747          */
5748         if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5749                 if (vic) {
5750                         if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5751                                 return -EINVAL;
5752                 } else if (hdmi_vic) {
5753                         if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5754                                 return -EINVAL;
5755                 } else {
5756                         return -EINVAL;
5757                 }
5758
5759                 picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5760         }
5761
5762         frame->video_code = vic;
5763         frame->picture_aspect = picture_aspect;
5764         frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5765         frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5766
5767         return 0;
5768 }
5769 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5770
5771 /* HDMI Colorspace Spec Definitions */
5772 #define FULL_COLORIMETRY_MASK           0x1FF
5773 #define NORMAL_COLORIMETRY_MASK         0x3
5774 #define EXTENDED_COLORIMETRY_MASK       0x7
5775 #define EXTENDED_ACE_COLORIMETRY_MASK   0xF
5776
5777 #define C(x) ((x) << 0)
5778 #define EC(x) ((x) << 2)
5779 #define ACE(x) ((x) << 5)
5780
5781 #define HDMI_COLORIMETRY_NO_DATA                0x0
5782 #define HDMI_COLORIMETRY_SMPTE_170M_YCC         (C(1) | EC(0) | ACE(0))
5783 #define HDMI_COLORIMETRY_BT709_YCC              (C(2) | EC(0) | ACE(0))
5784 #define HDMI_COLORIMETRY_XVYCC_601              (C(3) | EC(0) | ACE(0))
5785 #define HDMI_COLORIMETRY_XVYCC_709              (C(3) | EC(1) | ACE(0))
5786 #define HDMI_COLORIMETRY_SYCC_601               (C(3) | EC(2) | ACE(0))
5787 #define HDMI_COLORIMETRY_OPYCC_601              (C(3) | EC(3) | ACE(0))
5788 #define HDMI_COLORIMETRY_OPRGB                  (C(3) | EC(4) | ACE(0))
5789 #define HDMI_COLORIMETRY_BT2020_CYCC            (C(3) | EC(5) | ACE(0))
5790 #define HDMI_COLORIMETRY_BT2020_RGB             (C(3) | EC(6) | ACE(0))
5791 #define HDMI_COLORIMETRY_BT2020_YCC             (C(3) | EC(6) | ACE(0))
5792 #define HDMI_COLORIMETRY_DCI_P3_RGB_D65         (C(3) | EC(7) | ACE(0))
5793 #define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER     (C(3) | EC(7) | ACE(1))
5794
5795 static const u32 hdmi_colorimetry_val[] = {
5796         [DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
5797         [DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
5798         [DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
5799         [DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
5800         [DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
5801         [DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
5802         [DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
5803         [DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
5804         [DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
5805         [DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
5806         [DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
5807 };
5808
5809 #undef C
5810 #undef EC
5811 #undef ACE
5812
5813 /**
5814  * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe
5815  *                                       colorspace information
5816  * @frame: HDMI AVI infoframe
5817  * @conn_state: connector state
5818  */
5819 void
5820 drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
5821                                   const struct drm_connector_state *conn_state)
5822 {
5823         u32 colorimetry_val;
5824         u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
5825
5826         if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
5827                 colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
5828         else
5829                 colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
5830
5831         frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
5832         /*
5833          * ToDo: Extend it for ACE formats as well. Modify the infoframe
5834          * structure and extend it in drivers/video/hdmi
5835          */
5836         frame->extended_colorimetry = (colorimetry_val >> 2) &
5837                                         EXTENDED_COLORIMETRY_MASK;
5838 }
5839 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
5840
5841 /**
5842  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5843  *                                        quantization range information
5844  * @frame: HDMI AVI infoframe
5845  * @connector: the connector
5846  * @mode: DRM display mode
5847  * @rgb_quant_range: RGB quantization range (Q)
5848  */
5849 void
5850 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5851                                    const struct drm_connector *connector,
5852                                    const struct drm_display_mode *mode,
5853                                    enum hdmi_quantization_range rgb_quant_range)
5854 {
5855         const struct drm_display_info *info = &connector->display_info;
5856
5857         /*
5858          * CEA-861:
5859          * "A Source shall not send a non-zero Q value that does not correspond
5860          *  to the default RGB Quantization Range for the transmitted Picture
5861          *  unless the Sink indicates support for the Q bit in a Video
5862          *  Capabilities Data Block."
5863          *
5864          * HDMI 2.0 recommends sending non-zero Q when it does match the
5865          * default RGB quantization range for the mode, even when QS=0.
5866          */
5867         if (info->rgb_quant_range_selectable ||
5868             rgb_quant_range == drm_default_rgb_quant_range(mode))
5869                 frame->quantization_range = rgb_quant_range;
5870         else
5871                 frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5872
5873         /*
5874          * CEA-861-F:
5875          * "When transmitting any RGB colorimetry, the Source should set the
5876          *  YQ-field to match the RGB Quantization Range being transmitted
5877          *  (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5878          *  set YQ=1) and the Sink shall ignore the YQ-field."
5879          *
5880          * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5881          * by non-zero YQ when receiving RGB. There doesn't seem to be any
5882          * good way to tell which version of CEA-861 the sink supports, so
5883          * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5884          * on on CEA-861-F.
5885          */
5886         if (!is_hdmi2_sink(connector) ||
5887             rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5888                 frame->ycc_quantization_range =
5889                         HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5890         else
5891                 frame->ycc_quantization_range =
5892                         HDMI_YCC_QUANTIZATION_RANGE_FULL;
5893 }
5894 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5895
5896 /**
5897  * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
5898  *                                 bar information
5899  * @frame: HDMI AVI infoframe
5900  * @conn_state: connector state
5901  */
5902 void
5903 drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
5904                             const struct drm_connector_state *conn_state)
5905 {
5906         frame->right_bar = conn_state->tv.margins.right;
5907         frame->left_bar = conn_state->tv.margins.left;
5908         frame->top_bar = conn_state->tv.margins.top;
5909         frame->bottom_bar = conn_state->tv.margins.bottom;
5910 }
5911 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
5912
5913 static enum hdmi_3d_structure
5914 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5915 {
5916         u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5917
5918         switch (layout) {
5919         case DRM_MODE_FLAG_3D_FRAME_PACKING:
5920                 return HDMI_3D_STRUCTURE_FRAME_PACKING;
5921         case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
5922                 return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
5923         case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
5924                 return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
5925         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
5926                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
5927         case DRM_MODE_FLAG_3D_L_DEPTH:
5928                 return HDMI_3D_STRUCTURE_L_DEPTH;
5929         case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
5930                 return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
5931         case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
5932                 return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
5933         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
5934                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
5935         default:
5936                 return HDMI_3D_STRUCTURE_INVALID;
5937         }
5938 }
5939
5940 /**
5941  * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
5942  * data from a DRM display mode
5943  * @frame: HDMI vendor infoframe
5944  * @connector: the connector
5945  * @mode: DRM display mode
5946  *
5947  * Note that there's is a need to send HDMI vendor infoframes only when using a
5948  * 4k or stereoscopic 3D mode. So when giving any other mode as input this
5949  * function will return -EINVAL, error that can be safely ignored.
5950  *
5951  * Return: 0 on success or a negative error code on failure.
5952  */
5953 int
5954 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5955                                             const struct drm_connector *connector,
5956                                             const struct drm_display_mode *mode)
5957 {
5958         /*
5959          * FIXME: sil-sii8620 doesn't have a connector around when
5960          * we need one, so we have to be prepared for a NULL connector.
5961          */
5962         bool has_hdmi_infoframe = connector ?
5963                 connector->display_info.has_hdmi_infoframe : false;
5964         int err;
5965
5966         if (!frame || !mode)
5967                 return -EINVAL;
5968
5969         if (!has_hdmi_infoframe)
5970                 return -EINVAL;
5971
5972         err = hdmi_vendor_infoframe_init(frame);
5973         if (err < 0)
5974                 return err;
5975
5976         /*
5977          * Even if it's not absolutely necessary to send the infoframe
5978          * (ie.vic==0 and s3d_struct==0) we will still send it if we
5979          * know that the sink can handle it. This is based on a
5980          * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
5981          * have trouble realizing that they shuld switch from 3D to 2D
5982          * mode if the source simply stops sending the infoframe when
5983          * it wants to switch from 3D to 2D.
5984          */
5985         frame->vic = drm_mode_hdmi_vic(connector, mode);
5986         frame->s3d_struct = s3d_structure_from_display_mode(mode);
5987
5988         return 0;
5989 }
5990 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5991
5992 static void drm_parse_tiled_block(struct drm_connector *connector,
5993                                   const struct displayid_block *block)
5994 {
5995         const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
5996         u16 w, h;
5997         u8 tile_v_loc, tile_h_loc;
5998         u8 num_v_tile, num_h_tile;
5999         struct drm_tile_group *tg;
6000
6001         w = tile->tile_size[0] | tile->tile_size[1] << 8;
6002         h = tile->tile_size[2] | tile->tile_size[3] << 8;
6003
6004         num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
6005         num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
6006         tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
6007         tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
6008
6009         connector->has_tile = true;
6010         if (tile->tile_cap & 0x80)
6011                 connector->tile_is_single_monitor = true;
6012
6013         connector->num_h_tile = num_h_tile + 1;
6014         connector->num_v_tile = num_v_tile + 1;
6015         connector->tile_h_loc = tile_h_loc;
6016         connector->tile_v_loc = tile_v_loc;
6017         connector->tile_h_size = w + 1;
6018         connector->tile_v_size = h + 1;
6019
6020         DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
6021         DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
6022         DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
6023                       num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
6024         DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
6025
6026         tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
6027         if (!tg)
6028                 tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
6029         if (!tg)
6030                 return;
6031
6032         if (connector->tile_group != tg) {
6033                 /* if we haven't got a pointer,
6034                    take the reference, drop ref to old tile group */
6035                 if (connector->tile_group)
6036                         drm_mode_put_tile_group(connector->dev, connector->tile_group);
6037                 connector->tile_group = tg;
6038         } else {
6039                 /* if same tile group, then release the ref we just took. */
6040                 drm_mode_put_tile_group(connector->dev, tg);
6041         }
6042 }
6043
6044 static void drm_displayid_parse_tiled(struct drm_connector *connector,
6045                                       const u8 *displayid, int length, int idx)
6046 {
6047         const struct displayid_block *block;
6048
6049         idx += sizeof(struct displayid_hdr);
6050         for_each_displayid_db(displayid, block, idx, length) {
6051                 DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n",
6052                               block->tag, block->rev, block->num_bytes);
6053
6054                 switch (block->tag) {
6055                 case DATA_BLOCK_TILED_DISPLAY:
6056                         drm_parse_tiled_block(connector, block);
6057                         break;
6058                 default:
6059                         DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag);
6060                         break;
6061                 }
6062         }
6063 }
6064
6065 void drm_update_tile_info(struct drm_connector *connector,
6066                           const struct edid *edid)
6067 {
6068         const void *displayid = NULL;
6069         int ext_index = 0;
6070         int length, idx;
6071
6072         connector->has_tile = false;
6073         for (;;) {
6074                 displayid = drm_find_displayid_extension(edid, &length, &idx,
6075                                                          &ext_index);
6076                 if (!displayid)
6077                         break;
6078
6079                 drm_displayid_parse_tiled(connector, displayid, length, idx);
6080         }
6081
6082         if (!connector->has_tile && connector->tile_group) {
6083                 drm_mode_put_tile_group(connector->dev, connector->tile_group);
6084                 connector->tile_group = NULL;
6085         }
6086 }