Merge tag 'audit-pr-20220321' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoor...
[linux-block.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/bitfield.h>
32 #include <linux/hdmi.h>
33 #include <linux/i2c.h>
34 #include <linux/kernel.h>
35 #include <linux/module.h>
36 #include <linux/pci.h>
37 #include <linux/slab.h>
38 #include <linux/vga_switcheroo.h>
39
40 #include <drm/drm_displayid.h>
41 #include <drm/drm_drv.h>
42 #include <drm/drm_edid.h>
43 #include <drm/drm_encoder.h>
44 #include <drm/drm_print.h>
45 #include <drm/drm_scdc_helper.h>
46
47 #include "drm_crtc_internal.h"
48
49 #define version_greater(edid, maj, min) \
50         (((edid)->version > (maj)) || \
51          ((edid)->version == (maj) && (edid)->revision > (min)))
52
53 static int oui(u8 first, u8 second, u8 third)
54 {
55         return (first << 16) | (second << 8) | third;
56 }
57
58 #define EDID_EST_TIMINGS 16
59 #define EDID_STD_TIMINGS 8
60 #define EDID_DETAILED_TIMINGS 4
61
62 /*
63  * EDID blocks out in the wild have a variety of bugs, try to collect
64  * them here (note that userspace may work around broken monitors first,
65  * but fixes should make their way here so that the kernel "just works"
66  * on as many displays as possible).
67  */
68
69 /* First detailed mode wrong, use largest 60Hz mode */
70 #define EDID_QUIRK_PREFER_LARGE_60              (1 << 0)
71 /* Reported 135MHz pixel clock is too high, needs adjustment */
72 #define EDID_QUIRK_135_CLOCK_TOO_HIGH           (1 << 1)
73 /* Prefer the largest mode at 75 Hz */
74 #define EDID_QUIRK_PREFER_LARGE_75              (1 << 2)
75 /* Detail timing is in cm not mm */
76 #define EDID_QUIRK_DETAILED_IN_CM               (1 << 3)
77 /* Detailed timing descriptors have bogus size values, so just take the
78  * maximum size and use that.
79  */
80 #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE    (1 << 4)
81 /* use +hsync +vsync for detailed mode */
82 #define EDID_QUIRK_DETAILED_SYNC_PP             (1 << 6)
83 /* Force reduced-blanking timings for detailed modes */
84 #define EDID_QUIRK_FORCE_REDUCED_BLANKING       (1 << 7)
85 /* Force 8bpc */
86 #define EDID_QUIRK_FORCE_8BPC                   (1 << 8)
87 /* Force 12bpc */
88 #define EDID_QUIRK_FORCE_12BPC                  (1 << 9)
89 /* Force 6bpc */
90 #define EDID_QUIRK_FORCE_6BPC                   (1 << 10)
91 /* Force 10bpc */
92 #define EDID_QUIRK_FORCE_10BPC                  (1 << 11)
93 /* Non desktop display (i.e. HMD) */
94 #define EDID_QUIRK_NON_DESKTOP                  (1 << 12)
95
96 struct detailed_mode_closure {
97         struct drm_connector *connector;
98         struct edid *edid;
99         bool preferred;
100         u32 quirks;
101         int modes;
102 };
103
104 #define LEVEL_DMT       0
105 #define LEVEL_GTF       1
106 #define LEVEL_GTF2      2
107 #define LEVEL_CVT       3
108
109 #define EDID_QUIRK(vend_chr_0, vend_chr_1, vend_chr_2, product_id, _quirks) \
110 { \
111         .panel_id = drm_edid_encode_panel_id(vend_chr_0, vend_chr_1, vend_chr_2, \
112                                              product_id), \
113         .quirks = _quirks \
114 }
115
116 static const struct edid_quirk {
117         u32 panel_id;
118         u32 quirks;
119 } edid_quirk_list[] = {
120         /* Acer AL1706 */
121         EDID_QUIRK('A', 'C', 'R', 44358, EDID_QUIRK_PREFER_LARGE_60),
122         /* Acer F51 */
123         EDID_QUIRK('A', 'P', 'I', 0x7602, EDID_QUIRK_PREFER_LARGE_60),
124
125         /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
126         EDID_QUIRK('A', 'E', 'O', 0, EDID_QUIRK_FORCE_6BPC),
127
128         /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
129         EDID_QUIRK('B', 'O', 'E', 0x78b, EDID_QUIRK_FORCE_6BPC),
130
131         /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
132         EDID_QUIRK('C', 'P', 'T', 0x17df, EDID_QUIRK_FORCE_6BPC),
133
134         /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
135         EDID_QUIRK('S', 'D', 'C', 0x3652, EDID_QUIRK_FORCE_6BPC),
136
137         /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
138         EDID_QUIRK('B', 'O', 'E', 0x0771, EDID_QUIRK_FORCE_6BPC),
139
140         /* Belinea 10 15 55 */
141         EDID_QUIRK('M', 'A', 'X', 1516, EDID_QUIRK_PREFER_LARGE_60),
142         EDID_QUIRK('M', 'A', 'X', 0x77e, EDID_QUIRK_PREFER_LARGE_60),
143
144         /* Envision Peripherals, Inc. EN-7100e */
145         EDID_QUIRK('E', 'P', 'I', 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH),
146         /* Envision EN2028 */
147         EDID_QUIRK('E', 'P', 'I', 8232, EDID_QUIRK_PREFER_LARGE_60),
148
149         /* Funai Electronics PM36B */
150         EDID_QUIRK('F', 'C', 'M', 13600, EDID_QUIRK_PREFER_LARGE_75 |
151                                        EDID_QUIRK_DETAILED_IN_CM),
152
153         /* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
154         EDID_QUIRK('L', 'G', 'D', 764, EDID_QUIRK_FORCE_10BPC),
155
156         /* LG Philips LCD LP154W01-A5 */
157         EDID_QUIRK('L', 'P', 'L', 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE),
158         EDID_QUIRK('L', 'P', 'L', 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE),
159
160         /* Samsung SyncMaster 205BW.  Note: irony */
161         EDID_QUIRK('S', 'A', 'M', 541, EDID_QUIRK_DETAILED_SYNC_PP),
162         /* Samsung SyncMaster 22[5-6]BW */
163         EDID_QUIRK('S', 'A', 'M', 596, EDID_QUIRK_PREFER_LARGE_60),
164         EDID_QUIRK('S', 'A', 'M', 638, EDID_QUIRK_PREFER_LARGE_60),
165
166         /* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
167         EDID_QUIRK('S', 'N', 'Y', 0x2541, EDID_QUIRK_FORCE_12BPC),
168
169         /* ViewSonic VA2026w */
170         EDID_QUIRK('V', 'S', 'C', 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING),
171
172         /* Medion MD 30217 PG */
173         EDID_QUIRK('M', 'E', 'D', 0x7b8, EDID_QUIRK_PREFER_LARGE_75),
174
175         /* Lenovo G50 */
176         EDID_QUIRK('S', 'D', 'C', 18514, EDID_QUIRK_FORCE_6BPC),
177
178         /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
179         EDID_QUIRK('S', 'E', 'C', 0xd033, EDID_QUIRK_FORCE_8BPC),
180
181         /* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
182         EDID_QUIRK('E', 'T', 'R', 13896, EDID_QUIRK_FORCE_8BPC),
183
184         /* Valve Index Headset */
185         EDID_QUIRK('V', 'L', 'V', 0x91a8, EDID_QUIRK_NON_DESKTOP),
186         EDID_QUIRK('V', 'L', 'V', 0x91b0, EDID_QUIRK_NON_DESKTOP),
187         EDID_QUIRK('V', 'L', 'V', 0x91b1, EDID_QUIRK_NON_DESKTOP),
188         EDID_QUIRK('V', 'L', 'V', 0x91b2, EDID_QUIRK_NON_DESKTOP),
189         EDID_QUIRK('V', 'L', 'V', 0x91b3, EDID_QUIRK_NON_DESKTOP),
190         EDID_QUIRK('V', 'L', 'V', 0x91b4, EDID_QUIRK_NON_DESKTOP),
191         EDID_QUIRK('V', 'L', 'V', 0x91b5, EDID_QUIRK_NON_DESKTOP),
192         EDID_QUIRK('V', 'L', 'V', 0x91b6, EDID_QUIRK_NON_DESKTOP),
193         EDID_QUIRK('V', 'L', 'V', 0x91b7, EDID_QUIRK_NON_DESKTOP),
194         EDID_QUIRK('V', 'L', 'V', 0x91b8, EDID_QUIRK_NON_DESKTOP),
195         EDID_QUIRK('V', 'L', 'V', 0x91b9, EDID_QUIRK_NON_DESKTOP),
196         EDID_QUIRK('V', 'L', 'V', 0x91ba, EDID_QUIRK_NON_DESKTOP),
197         EDID_QUIRK('V', 'L', 'V', 0x91bb, EDID_QUIRK_NON_DESKTOP),
198         EDID_QUIRK('V', 'L', 'V', 0x91bc, EDID_QUIRK_NON_DESKTOP),
199         EDID_QUIRK('V', 'L', 'V', 0x91bd, EDID_QUIRK_NON_DESKTOP),
200         EDID_QUIRK('V', 'L', 'V', 0x91be, EDID_QUIRK_NON_DESKTOP),
201         EDID_QUIRK('V', 'L', 'V', 0x91bf, EDID_QUIRK_NON_DESKTOP),
202
203         /* HTC Vive and Vive Pro VR Headsets */
204         EDID_QUIRK('H', 'V', 'R', 0xaa01, EDID_QUIRK_NON_DESKTOP),
205         EDID_QUIRK('H', 'V', 'R', 0xaa02, EDID_QUIRK_NON_DESKTOP),
206
207         /* Oculus Rift DK1, DK2, CV1 and Rift S VR Headsets */
208         EDID_QUIRK('O', 'V', 'R', 0x0001, EDID_QUIRK_NON_DESKTOP),
209         EDID_QUIRK('O', 'V', 'R', 0x0003, EDID_QUIRK_NON_DESKTOP),
210         EDID_QUIRK('O', 'V', 'R', 0x0004, EDID_QUIRK_NON_DESKTOP),
211         EDID_QUIRK('O', 'V', 'R', 0x0012, EDID_QUIRK_NON_DESKTOP),
212
213         /* Windows Mixed Reality Headsets */
214         EDID_QUIRK('A', 'C', 'R', 0x7fce, EDID_QUIRK_NON_DESKTOP),
215         EDID_QUIRK('H', 'P', 'N', 0x3515, EDID_QUIRK_NON_DESKTOP),
216         EDID_QUIRK('L', 'E', 'N', 0x0408, EDID_QUIRK_NON_DESKTOP),
217         EDID_QUIRK('L', 'E', 'N', 0xb800, EDID_QUIRK_NON_DESKTOP),
218         EDID_QUIRK('F', 'U', 'J', 0x1970, EDID_QUIRK_NON_DESKTOP),
219         EDID_QUIRK('D', 'E', 'L', 0x7fce, EDID_QUIRK_NON_DESKTOP),
220         EDID_QUIRK('S', 'E', 'C', 0x144a, EDID_QUIRK_NON_DESKTOP),
221         EDID_QUIRK('A', 'U', 'S', 0xc102, EDID_QUIRK_NON_DESKTOP),
222
223         /* Sony PlayStation VR Headset */
224         EDID_QUIRK('S', 'N', 'Y', 0x0704, EDID_QUIRK_NON_DESKTOP),
225
226         /* Sensics VR Headsets */
227         EDID_QUIRK('S', 'E', 'N', 0x1019, EDID_QUIRK_NON_DESKTOP),
228
229         /* OSVR HDK and HDK2 VR Headsets */
230         EDID_QUIRK('S', 'V', 'R', 0x1019, EDID_QUIRK_NON_DESKTOP),
231 };
232
233 /*
234  * Autogenerated from the DMT spec.
235  * This table is copied from xfree86/modes/xf86EdidModes.c.
236  */
237 static const struct drm_display_mode drm_dmt_modes[] = {
238         /* 0x01 - 640x350@85Hz */
239         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
240                    736, 832, 0, 350, 382, 385, 445, 0,
241                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
242         /* 0x02 - 640x400@85Hz */
243         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
244                    736, 832, 0, 400, 401, 404, 445, 0,
245                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
246         /* 0x03 - 720x400@85Hz */
247         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
248                    828, 936, 0, 400, 401, 404, 446, 0,
249                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
250         /* 0x04 - 640x480@60Hz */
251         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
252                    752, 800, 0, 480, 490, 492, 525, 0,
253                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
254         /* 0x05 - 640x480@72Hz */
255         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
256                    704, 832, 0, 480, 489, 492, 520, 0,
257                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
258         /* 0x06 - 640x480@75Hz */
259         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
260                    720, 840, 0, 480, 481, 484, 500, 0,
261                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
262         /* 0x07 - 640x480@85Hz */
263         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
264                    752, 832, 0, 480, 481, 484, 509, 0,
265                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
266         /* 0x08 - 800x600@56Hz */
267         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
268                    896, 1024, 0, 600, 601, 603, 625, 0,
269                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
270         /* 0x09 - 800x600@60Hz */
271         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
272                    968, 1056, 0, 600, 601, 605, 628, 0,
273                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
274         /* 0x0a - 800x600@72Hz */
275         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
276                    976, 1040, 0, 600, 637, 643, 666, 0,
277                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
278         /* 0x0b - 800x600@75Hz */
279         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
280                    896, 1056, 0, 600, 601, 604, 625, 0,
281                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
282         /* 0x0c - 800x600@85Hz */
283         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
284                    896, 1048, 0, 600, 601, 604, 631, 0,
285                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
286         /* 0x0d - 800x600@120Hz RB */
287         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
288                    880, 960, 0, 600, 603, 607, 636, 0,
289                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
290         /* 0x0e - 848x480@60Hz */
291         { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
292                    976, 1088, 0, 480, 486, 494, 517, 0,
293                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
294         /* 0x0f - 1024x768@43Hz, interlace */
295         { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
296                    1208, 1264, 0, 768, 768, 776, 817, 0,
297                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
298                    DRM_MODE_FLAG_INTERLACE) },
299         /* 0x10 - 1024x768@60Hz */
300         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
301                    1184, 1344, 0, 768, 771, 777, 806, 0,
302                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
303         /* 0x11 - 1024x768@70Hz */
304         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
305                    1184, 1328, 0, 768, 771, 777, 806, 0,
306                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
307         /* 0x12 - 1024x768@75Hz */
308         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
309                    1136, 1312, 0, 768, 769, 772, 800, 0,
310                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
311         /* 0x13 - 1024x768@85Hz */
312         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
313                    1168, 1376, 0, 768, 769, 772, 808, 0,
314                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
315         /* 0x14 - 1024x768@120Hz RB */
316         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
317                    1104, 1184, 0, 768, 771, 775, 813, 0,
318                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
319         /* 0x15 - 1152x864@75Hz */
320         { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
321                    1344, 1600, 0, 864, 865, 868, 900, 0,
322                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
323         /* 0x55 - 1280x720@60Hz */
324         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
325                    1430, 1650, 0, 720, 725, 730, 750, 0,
326                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
327         /* 0x16 - 1280x768@60Hz RB */
328         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
329                    1360, 1440, 0, 768, 771, 778, 790, 0,
330                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
331         /* 0x17 - 1280x768@60Hz */
332         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
333                    1472, 1664, 0, 768, 771, 778, 798, 0,
334                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
335         /* 0x18 - 1280x768@75Hz */
336         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
337                    1488, 1696, 0, 768, 771, 778, 805, 0,
338                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
339         /* 0x19 - 1280x768@85Hz */
340         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
341                    1496, 1712, 0, 768, 771, 778, 809, 0,
342                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
343         /* 0x1a - 1280x768@120Hz RB */
344         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
345                    1360, 1440, 0, 768, 771, 778, 813, 0,
346                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
347         /* 0x1b - 1280x800@60Hz RB */
348         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
349                    1360, 1440, 0, 800, 803, 809, 823, 0,
350                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
351         /* 0x1c - 1280x800@60Hz */
352         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
353                    1480, 1680, 0, 800, 803, 809, 831, 0,
354                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
355         /* 0x1d - 1280x800@75Hz */
356         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
357                    1488, 1696, 0, 800, 803, 809, 838, 0,
358                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
359         /* 0x1e - 1280x800@85Hz */
360         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
361                    1496, 1712, 0, 800, 803, 809, 843, 0,
362                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
363         /* 0x1f - 1280x800@120Hz RB */
364         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
365                    1360, 1440, 0, 800, 803, 809, 847, 0,
366                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
367         /* 0x20 - 1280x960@60Hz */
368         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
369                    1488, 1800, 0, 960, 961, 964, 1000, 0,
370                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
371         /* 0x21 - 1280x960@85Hz */
372         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
373                    1504, 1728, 0, 960, 961, 964, 1011, 0,
374                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
375         /* 0x22 - 1280x960@120Hz RB */
376         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
377                    1360, 1440, 0, 960, 963, 967, 1017, 0,
378                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
379         /* 0x23 - 1280x1024@60Hz */
380         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
381                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
382                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
383         /* 0x24 - 1280x1024@75Hz */
384         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
385                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
386                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
387         /* 0x25 - 1280x1024@85Hz */
388         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
389                    1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
390                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
391         /* 0x26 - 1280x1024@120Hz RB */
392         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
393                    1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
394                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
395         /* 0x27 - 1360x768@60Hz */
396         { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
397                    1536, 1792, 0, 768, 771, 777, 795, 0,
398                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
399         /* 0x28 - 1360x768@120Hz RB */
400         { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
401                    1440, 1520, 0, 768, 771, 776, 813, 0,
402                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
403         /* 0x51 - 1366x768@60Hz */
404         { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
405                    1579, 1792, 0, 768, 771, 774, 798, 0,
406                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
407         /* 0x56 - 1366x768@60Hz */
408         { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
409                    1436, 1500, 0, 768, 769, 772, 800, 0,
410                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
411         /* 0x29 - 1400x1050@60Hz RB */
412         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
413                    1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
414                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
415         /* 0x2a - 1400x1050@60Hz */
416         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
417                    1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
418                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
419         /* 0x2b - 1400x1050@75Hz */
420         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
421                    1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
422                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
423         /* 0x2c - 1400x1050@85Hz */
424         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
425                    1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
426                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
427         /* 0x2d - 1400x1050@120Hz RB */
428         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
429                    1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
430                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
431         /* 0x2e - 1440x900@60Hz RB */
432         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
433                    1520, 1600, 0, 900, 903, 909, 926, 0,
434                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
435         /* 0x2f - 1440x900@60Hz */
436         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
437                    1672, 1904, 0, 900, 903, 909, 934, 0,
438                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
439         /* 0x30 - 1440x900@75Hz */
440         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
441                    1688, 1936, 0, 900, 903, 909, 942, 0,
442                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
443         /* 0x31 - 1440x900@85Hz */
444         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
445                    1696, 1952, 0, 900, 903, 909, 948, 0,
446                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
447         /* 0x32 - 1440x900@120Hz RB */
448         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
449                    1520, 1600, 0, 900, 903, 909, 953, 0,
450                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
451         /* 0x53 - 1600x900@60Hz */
452         { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
453                    1704, 1800, 0, 900, 901, 904, 1000, 0,
454                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
455         /* 0x33 - 1600x1200@60Hz */
456         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
457                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
458                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
459         /* 0x34 - 1600x1200@65Hz */
460         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
461                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
462                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
463         /* 0x35 - 1600x1200@70Hz */
464         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
465                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
466                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
467         /* 0x36 - 1600x1200@75Hz */
468         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
469                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
470                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
471         /* 0x37 - 1600x1200@85Hz */
472         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
473                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
474                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
475         /* 0x38 - 1600x1200@120Hz RB */
476         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
477                    1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
478                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
479         /* 0x39 - 1680x1050@60Hz RB */
480         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
481                    1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
482                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
483         /* 0x3a - 1680x1050@60Hz */
484         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
485                    1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
486                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
487         /* 0x3b - 1680x1050@75Hz */
488         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
489                    1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
490                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
491         /* 0x3c - 1680x1050@85Hz */
492         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
493                    1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
494                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
495         /* 0x3d - 1680x1050@120Hz RB */
496         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
497                    1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
498                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
499         /* 0x3e - 1792x1344@60Hz */
500         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
501                    2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
502                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
503         /* 0x3f - 1792x1344@75Hz */
504         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
505                    2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
506                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
507         /* 0x40 - 1792x1344@120Hz RB */
508         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
509                    1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
510                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
511         /* 0x41 - 1856x1392@60Hz */
512         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
513                    2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
514                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
515         /* 0x42 - 1856x1392@75Hz */
516         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
517                    2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
518                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
519         /* 0x43 - 1856x1392@120Hz RB */
520         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
521                    1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
522                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
523         /* 0x52 - 1920x1080@60Hz */
524         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
525                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
526                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
527         /* 0x44 - 1920x1200@60Hz RB */
528         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
529                    2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
530                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
531         /* 0x45 - 1920x1200@60Hz */
532         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
533                    2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
534                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
535         /* 0x46 - 1920x1200@75Hz */
536         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
537                    2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
538                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
539         /* 0x47 - 1920x1200@85Hz */
540         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
541                    2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
542                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
543         /* 0x48 - 1920x1200@120Hz RB */
544         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
545                    2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
546                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
547         /* 0x49 - 1920x1440@60Hz */
548         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
549                    2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
550                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
551         /* 0x4a - 1920x1440@75Hz */
552         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
553                    2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
554                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
555         /* 0x4b - 1920x1440@120Hz RB */
556         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
557                    2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
558                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
559         /* 0x54 - 2048x1152@60Hz */
560         { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
561                    2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
562                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
563         /* 0x4c - 2560x1600@60Hz RB */
564         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
565                    2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
566                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
567         /* 0x4d - 2560x1600@60Hz */
568         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
569                    3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
570                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
571         /* 0x4e - 2560x1600@75Hz */
572         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
573                    3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
574                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
575         /* 0x4f - 2560x1600@85Hz */
576         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
577                    3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
578                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
579         /* 0x50 - 2560x1600@120Hz RB */
580         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
581                    2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
582                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
583         /* 0x57 - 4096x2160@60Hz RB */
584         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
585                    4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
586                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
587         /* 0x58 - 4096x2160@59.94Hz RB */
588         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
589                    4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
590                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
591 };
592
593 /*
594  * These more or less come from the DMT spec.  The 720x400 modes are
595  * inferred from historical 80x25 practice.  The 640x480@67 and 832x624@75
596  * modes are old-school Mac modes.  The EDID spec says the 1152x864@75 mode
597  * should be 1152x870, again for the Mac, but instead we use the x864 DMT
598  * mode.
599  *
600  * The DMT modes have been fact-checked; the rest are mild guesses.
601  */
602 static const struct drm_display_mode edid_est_modes[] = {
603         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
604                    968, 1056, 0, 600, 601, 605, 628, 0,
605                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
606         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
607                    896, 1024, 0, 600, 601, 603,  625, 0,
608                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
609         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
610                    720, 840, 0, 480, 481, 484, 500, 0,
611                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
612         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
613                    704,  832, 0, 480, 489, 492, 520, 0,
614                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
615         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
616                    768,  864, 0, 480, 483, 486, 525, 0,
617                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
618         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
619                    752, 800, 0, 480, 490, 492, 525, 0,
620                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
621         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
622                    846, 900, 0, 400, 421, 423,  449, 0,
623                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
624         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
625                    846,  900, 0, 400, 412, 414, 449, 0,
626                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
627         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
628                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
629                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
630         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
631                    1136, 1312, 0,  768, 769, 772, 800, 0,
632                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
633         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
634                    1184, 1328, 0,  768, 771, 777, 806, 0,
635                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
636         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
637                    1184, 1344, 0,  768, 771, 777, 806, 0,
638                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
639         { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
640                    1208, 1264, 0, 768, 768, 776, 817, 0,
641                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
642         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
643                    928, 1152, 0, 624, 625, 628, 667, 0,
644                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
645         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
646                    896, 1056, 0, 600, 601, 604,  625, 0,
647                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
648         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
649                    976, 1040, 0, 600, 637, 643, 666, 0,
650                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
651         { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
652                    1344, 1600, 0,  864, 865, 868, 900, 0,
653                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
654 };
655
656 struct minimode {
657         short w;
658         short h;
659         short r;
660         short rb;
661 };
662
663 static const struct minimode est3_modes[] = {
664         /* byte 6 */
665         { 640, 350, 85, 0 },
666         { 640, 400, 85, 0 },
667         { 720, 400, 85, 0 },
668         { 640, 480, 85, 0 },
669         { 848, 480, 60, 0 },
670         { 800, 600, 85, 0 },
671         { 1024, 768, 85, 0 },
672         { 1152, 864, 75, 0 },
673         /* byte 7 */
674         { 1280, 768, 60, 1 },
675         { 1280, 768, 60, 0 },
676         { 1280, 768, 75, 0 },
677         { 1280, 768, 85, 0 },
678         { 1280, 960, 60, 0 },
679         { 1280, 960, 85, 0 },
680         { 1280, 1024, 60, 0 },
681         { 1280, 1024, 85, 0 },
682         /* byte 8 */
683         { 1360, 768, 60, 0 },
684         { 1440, 900, 60, 1 },
685         { 1440, 900, 60, 0 },
686         { 1440, 900, 75, 0 },
687         { 1440, 900, 85, 0 },
688         { 1400, 1050, 60, 1 },
689         { 1400, 1050, 60, 0 },
690         { 1400, 1050, 75, 0 },
691         /* byte 9 */
692         { 1400, 1050, 85, 0 },
693         { 1680, 1050, 60, 1 },
694         { 1680, 1050, 60, 0 },
695         { 1680, 1050, 75, 0 },
696         { 1680, 1050, 85, 0 },
697         { 1600, 1200, 60, 0 },
698         { 1600, 1200, 65, 0 },
699         { 1600, 1200, 70, 0 },
700         /* byte 10 */
701         { 1600, 1200, 75, 0 },
702         { 1600, 1200, 85, 0 },
703         { 1792, 1344, 60, 0 },
704         { 1792, 1344, 75, 0 },
705         { 1856, 1392, 60, 0 },
706         { 1856, 1392, 75, 0 },
707         { 1920, 1200, 60, 1 },
708         { 1920, 1200, 60, 0 },
709         /* byte 11 */
710         { 1920, 1200, 75, 0 },
711         { 1920, 1200, 85, 0 },
712         { 1920, 1440, 60, 0 },
713         { 1920, 1440, 75, 0 },
714 };
715
716 static const struct minimode extra_modes[] = {
717         { 1024, 576,  60, 0 },
718         { 1366, 768,  60, 0 },
719         { 1600, 900,  60, 0 },
720         { 1680, 945,  60, 0 },
721         { 1920, 1080, 60, 0 },
722         { 2048, 1152, 60, 0 },
723         { 2048, 1536, 60, 0 },
724 };
725
726 /*
727  * From CEA/CTA-861 spec.
728  *
729  * Do not access directly, instead always use cea_mode_for_vic().
730  */
731 static const struct drm_display_mode edid_cea_modes_1[] = {
732         /* 1 - 640x480@60Hz 4:3 */
733         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
734                    752, 800, 0, 480, 490, 492, 525, 0,
735                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
736           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
737         /* 2 - 720x480@60Hz 4:3 */
738         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
739                    798, 858, 0, 480, 489, 495, 525, 0,
740                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
741           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
742         /* 3 - 720x480@60Hz 16:9 */
743         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
744                    798, 858, 0, 480, 489, 495, 525, 0,
745                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
746           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
747         /* 4 - 1280x720@60Hz 16:9 */
748         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
749                    1430, 1650, 0, 720, 725, 730, 750, 0,
750                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
751           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
752         /* 5 - 1920x1080i@60Hz 16:9 */
753         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
754                    2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
755                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
756                    DRM_MODE_FLAG_INTERLACE),
757           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
758         /* 6 - 720(1440)x480i@60Hz 4:3 */
759         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
760                    801, 858, 0, 480, 488, 494, 525, 0,
761                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
762                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
763           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
764         /* 7 - 720(1440)x480i@60Hz 16:9 */
765         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
766                    801, 858, 0, 480, 488, 494, 525, 0,
767                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
768                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
769           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
770         /* 8 - 720(1440)x240@60Hz 4:3 */
771         { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
772                    801, 858, 0, 240, 244, 247, 262, 0,
773                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
774                    DRM_MODE_FLAG_DBLCLK),
775           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
776         /* 9 - 720(1440)x240@60Hz 16:9 */
777         { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
778                    801, 858, 0, 240, 244, 247, 262, 0,
779                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
780                    DRM_MODE_FLAG_DBLCLK),
781           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
782         /* 10 - 2880x480i@60Hz 4:3 */
783         { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
784                    3204, 3432, 0, 480, 488, 494, 525, 0,
785                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
786                    DRM_MODE_FLAG_INTERLACE),
787           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
788         /* 11 - 2880x480i@60Hz 16:9 */
789         { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
790                    3204, 3432, 0, 480, 488, 494, 525, 0,
791                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
792                    DRM_MODE_FLAG_INTERLACE),
793           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
794         /* 12 - 2880x240@60Hz 4:3 */
795         { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
796                    3204, 3432, 0, 240, 244, 247, 262, 0,
797                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
798           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
799         /* 13 - 2880x240@60Hz 16:9 */
800         { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
801                    3204, 3432, 0, 240, 244, 247, 262, 0,
802                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
803           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
804         /* 14 - 1440x480@60Hz 4:3 */
805         { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
806                    1596, 1716, 0, 480, 489, 495, 525, 0,
807                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
808           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
809         /* 15 - 1440x480@60Hz 16:9 */
810         { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
811                    1596, 1716, 0, 480, 489, 495, 525, 0,
812                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
813           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
814         /* 16 - 1920x1080@60Hz 16:9 */
815         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
816                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
817                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
818           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
819         /* 17 - 720x576@50Hz 4:3 */
820         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
821                    796, 864, 0, 576, 581, 586, 625, 0,
822                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
823           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
824         /* 18 - 720x576@50Hz 16:9 */
825         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
826                    796, 864, 0, 576, 581, 586, 625, 0,
827                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
828           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
829         /* 19 - 1280x720@50Hz 16:9 */
830         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
831                    1760, 1980, 0, 720, 725, 730, 750, 0,
832                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
833           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
834         /* 20 - 1920x1080i@50Hz 16:9 */
835         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
836                    2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
837                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
838                    DRM_MODE_FLAG_INTERLACE),
839           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
840         /* 21 - 720(1440)x576i@50Hz 4:3 */
841         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
842                    795, 864, 0, 576, 580, 586, 625, 0,
843                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
844                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
845           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
846         /* 22 - 720(1440)x576i@50Hz 16:9 */
847         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
848                    795, 864, 0, 576, 580, 586, 625, 0,
849                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
850                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
851           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
852         /* 23 - 720(1440)x288@50Hz 4:3 */
853         { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
854                    795, 864, 0, 288, 290, 293, 312, 0,
855                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
856                    DRM_MODE_FLAG_DBLCLK),
857           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
858         /* 24 - 720(1440)x288@50Hz 16:9 */
859         { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
860                    795, 864, 0, 288, 290, 293, 312, 0,
861                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
862                    DRM_MODE_FLAG_DBLCLK),
863           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
864         /* 25 - 2880x576i@50Hz 4:3 */
865         { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
866                    3180, 3456, 0, 576, 580, 586, 625, 0,
867                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
868                    DRM_MODE_FLAG_INTERLACE),
869           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
870         /* 26 - 2880x576i@50Hz 16:9 */
871         { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
872                    3180, 3456, 0, 576, 580, 586, 625, 0,
873                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
874                    DRM_MODE_FLAG_INTERLACE),
875           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
876         /* 27 - 2880x288@50Hz 4:3 */
877         { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
878                    3180, 3456, 0, 288, 290, 293, 312, 0,
879                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
880           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
881         /* 28 - 2880x288@50Hz 16:9 */
882         { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
883                    3180, 3456, 0, 288, 290, 293, 312, 0,
884                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
885           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
886         /* 29 - 1440x576@50Hz 4:3 */
887         { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
888                    1592, 1728, 0, 576, 581, 586, 625, 0,
889                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
890           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
891         /* 30 - 1440x576@50Hz 16:9 */
892         { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
893                    1592, 1728, 0, 576, 581, 586, 625, 0,
894                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
895           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
896         /* 31 - 1920x1080@50Hz 16:9 */
897         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
898                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
899                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
900           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
901         /* 32 - 1920x1080@24Hz 16:9 */
902         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
903                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
904                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
905           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
906         /* 33 - 1920x1080@25Hz 16:9 */
907         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
908                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
909                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
910           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
911         /* 34 - 1920x1080@30Hz 16:9 */
912         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
913                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
914                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
915           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
916         /* 35 - 2880x480@60Hz 4:3 */
917         { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
918                    3192, 3432, 0, 480, 489, 495, 525, 0,
919                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
920           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
921         /* 36 - 2880x480@60Hz 16:9 */
922         { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
923                    3192, 3432, 0, 480, 489, 495, 525, 0,
924                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
925           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
926         /* 37 - 2880x576@50Hz 4:3 */
927         { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
928                    3184, 3456, 0, 576, 581, 586, 625, 0,
929                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
930           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
931         /* 38 - 2880x576@50Hz 16:9 */
932         { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
933                    3184, 3456, 0, 576, 581, 586, 625, 0,
934                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
935           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
936         /* 39 - 1920x1080i@50Hz 16:9 */
937         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
938                    2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
939                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
940                    DRM_MODE_FLAG_INTERLACE),
941           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
942         /* 40 - 1920x1080i@100Hz 16:9 */
943         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
944                    2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
945                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
946                    DRM_MODE_FLAG_INTERLACE),
947           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
948         /* 41 - 1280x720@100Hz 16:9 */
949         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
950                    1760, 1980, 0, 720, 725, 730, 750, 0,
951                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
952           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
953         /* 42 - 720x576@100Hz 4:3 */
954         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
955                    796, 864, 0, 576, 581, 586, 625, 0,
956                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
957           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
958         /* 43 - 720x576@100Hz 16:9 */
959         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
960                    796, 864, 0, 576, 581, 586, 625, 0,
961                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
962           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
963         /* 44 - 720(1440)x576i@100Hz 4:3 */
964         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
965                    795, 864, 0, 576, 580, 586, 625, 0,
966                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
967                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
968           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
969         /* 45 - 720(1440)x576i@100Hz 16:9 */
970         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
971                    795, 864, 0, 576, 580, 586, 625, 0,
972                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
973                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
974           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
975         /* 46 - 1920x1080i@120Hz 16:9 */
976         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
977                    2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
978                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
979                    DRM_MODE_FLAG_INTERLACE),
980           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
981         /* 47 - 1280x720@120Hz 16:9 */
982         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
983                    1430, 1650, 0, 720, 725, 730, 750, 0,
984                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
985           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
986         /* 48 - 720x480@120Hz 4:3 */
987         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
988                    798, 858, 0, 480, 489, 495, 525, 0,
989                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
990           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
991         /* 49 - 720x480@120Hz 16:9 */
992         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
993                    798, 858, 0, 480, 489, 495, 525, 0,
994                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
995           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
996         /* 50 - 720(1440)x480i@120Hz 4:3 */
997         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
998                    801, 858, 0, 480, 488, 494, 525, 0,
999                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1000                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1001           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1002         /* 51 - 720(1440)x480i@120Hz 16:9 */
1003         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
1004                    801, 858, 0, 480, 488, 494, 525, 0,
1005                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1006                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1007           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1008         /* 52 - 720x576@200Hz 4:3 */
1009         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1010                    796, 864, 0, 576, 581, 586, 625, 0,
1011                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1012           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1013         /* 53 - 720x576@200Hz 16:9 */
1014         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1015                    796, 864, 0, 576, 581, 586, 625, 0,
1016                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1017           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1018         /* 54 - 720(1440)x576i@200Hz 4:3 */
1019         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1020                    795, 864, 0, 576, 580, 586, 625, 0,
1021                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1022                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1023           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1024         /* 55 - 720(1440)x576i@200Hz 16:9 */
1025         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1026                    795, 864, 0, 576, 580, 586, 625, 0,
1027                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1028                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1029           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1030         /* 56 - 720x480@240Hz 4:3 */
1031         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1032                    798, 858, 0, 480, 489, 495, 525, 0,
1033                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1034           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1035         /* 57 - 720x480@240Hz 16:9 */
1036         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1037                    798, 858, 0, 480, 489, 495, 525, 0,
1038                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1039           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1040         /* 58 - 720(1440)x480i@240Hz 4:3 */
1041         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1042                    801, 858, 0, 480, 488, 494, 525, 0,
1043                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1044                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1045           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1046         /* 59 - 720(1440)x480i@240Hz 16:9 */
1047         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1048                    801, 858, 0, 480, 488, 494, 525, 0,
1049                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1050                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1051           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1052         /* 60 - 1280x720@24Hz 16:9 */
1053         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1054                    3080, 3300, 0, 720, 725, 730, 750, 0,
1055                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1056           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1057         /* 61 - 1280x720@25Hz 16:9 */
1058         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1059                    3740, 3960, 0, 720, 725, 730, 750, 0,
1060                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1061           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1062         /* 62 - 1280x720@30Hz 16:9 */
1063         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1064                    3080, 3300, 0, 720, 725, 730, 750, 0,
1065                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1066           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1067         /* 63 - 1920x1080@120Hz 16:9 */
1068         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1069                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1070                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1071           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1072         /* 64 - 1920x1080@100Hz 16:9 */
1073         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1074                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1075                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1076           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1077         /* 65 - 1280x720@24Hz 64:27 */
1078         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1079                    3080, 3300, 0, 720, 725, 730, 750, 0,
1080                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1081           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1082         /* 66 - 1280x720@25Hz 64:27 */
1083         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1084                    3740, 3960, 0, 720, 725, 730, 750, 0,
1085                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1086           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1087         /* 67 - 1280x720@30Hz 64:27 */
1088         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1089                    3080, 3300, 0, 720, 725, 730, 750, 0,
1090                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1091           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1092         /* 68 - 1280x720@50Hz 64:27 */
1093         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1094                    1760, 1980, 0, 720, 725, 730, 750, 0,
1095                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1096           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1097         /* 69 - 1280x720@60Hz 64:27 */
1098         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1099                    1430, 1650, 0, 720, 725, 730, 750, 0,
1100                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1101           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1102         /* 70 - 1280x720@100Hz 64:27 */
1103         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1104                    1760, 1980, 0, 720, 725, 730, 750, 0,
1105                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1106           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1107         /* 71 - 1280x720@120Hz 64:27 */
1108         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1109                    1430, 1650, 0, 720, 725, 730, 750, 0,
1110                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1111           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1112         /* 72 - 1920x1080@24Hz 64:27 */
1113         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1114                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1115                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1116           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1117         /* 73 - 1920x1080@25Hz 64:27 */
1118         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1119                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1120                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1121           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1122         /* 74 - 1920x1080@30Hz 64:27 */
1123         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1124                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1125                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1126           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1127         /* 75 - 1920x1080@50Hz 64:27 */
1128         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1129                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1130                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1131           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1132         /* 76 - 1920x1080@60Hz 64:27 */
1133         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1134                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1135                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1136           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1137         /* 77 - 1920x1080@100Hz 64:27 */
1138         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1139                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1140                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1141           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1142         /* 78 - 1920x1080@120Hz 64:27 */
1143         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1144                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1145                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1146           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1147         /* 79 - 1680x720@24Hz 64:27 */
1148         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1149                    3080, 3300, 0, 720, 725, 730, 750, 0,
1150                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1151           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1152         /* 80 - 1680x720@25Hz 64:27 */
1153         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1154                    2948, 3168, 0, 720, 725, 730, 750, 0,
1155                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1156           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1157         /* 81 - 1680x720@30Hz 64:27 */
1158         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1159                    2420, 2640, 0, 720, 725, 730, 750, 0,
1160                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1161           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1162         /* 82 - 1680x720@50Hz 64:27 */
1163         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1164                    1980, 2200, 0, 720, 725, 730, 750, 0,
1165                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1166           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1167         /* 83 - 1680x720@60Hz 64:27 */
1168         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1169                    1980, 2200, 0, 720, 725, 730, 750, 0,
1170                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1171           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1172         /* 84 - 1680x720@100Hz 64:27 */
1173         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1174                    1780, 2000, 0, 720, 725, 730, 825, 0,
1175                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1176           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1177         /* 85 - 1680x720@120Hz 64:27 */
1178         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1179                    1780, 2000, 0, 720, 725, 730, 825, 0,
1180                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1181           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1182         /* 86 - 2560x1080@24Hz 64:27 */
1183         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1184                    3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1185                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1186           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1187         /* 87 - 2560x1080@25Hz 64:27 */
1188         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1189                    3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1190                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1191           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1192         /* 88 - 2560x1080@30Hz 64:27 */
1193         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1194                    3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1195                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1196           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1197         /* 89 - 2560x1080@50Hz 64:27 */
1198         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1199                    3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1200                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1201           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1202         /* 90 - 2560x1080@60Hz 64:27 */
1203         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1204                    2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1205                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1206           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1207         /* 91 - 2560x1080@100Hz 64:27 */
1208         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1209                    2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1210                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1211           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1212         /* 92 - 2560x1080@120Hz 64:27 */
1213         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1214                    3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1215                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1216           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1217         /* 93 - 3840x2160@24Hz 16:9 */
1218         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1219                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1220                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1221           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1222         /* 94 - 3840x2160@25Hz 16:9 */
1223         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1224                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1225                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1226           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1227         /* 95 - 3840x2160@30Hz 16:9 */
1228         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1229                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1230                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1231           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1232         /* 96 - 3840x2160@50Hz 16:9 */
1233         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1234                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1235                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1236           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1237         /* 97 - 3840x2160@60Hz 16:9 */
1238         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1239                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1240                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1241           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1242         /* 98 - 4096x2160@24Hz 256:135 */
1243         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1244                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1245                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1246           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1247         /* 99 - 4096x2160@25Hz 256:135 */
1248         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1249                    5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1250                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1251           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1252         /* 100 - 4096x2160@30Hz 256:135 */
1253         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1254                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1255                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1256           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1257         /* 101 - 4096x2160@50Hz 256:135 */
1258         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1259                    5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1260                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1261           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1262         /* 102 - 4096x2160@60Hz 256:135 */
1263         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1264                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1265                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1266           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1267         /* 103 - 3840x2160@24Hz 64:27 */
1268         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1269                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1270                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1271           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1272         /* 104 - 3840x2160@25Hz 64:27 */
1273         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1274                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1275                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1276           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1277         /* 105 - 3840x2160@30Hz 64:27 */
1278         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1279                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1280                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1281           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1282         /* 106 - 3840x2160@50Hz 64:27 */
1283         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1284                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1285                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1286           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1287         /* 107 - 3840x2160@60Hz 64:27 */
1288         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1289                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1290                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1291           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1292         /* 108 - 1280x720@48Hz 16:9 */
1293         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1294                    2280, 2500, 0, 720, 725, 730, 750, 0,
1295                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1296           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1297         /* 109 - 1280x720@48Hz 64:27 */
1298         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1299                    2280, 2500, 0, 720, 725, 730, 750, 0,
1300                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1301           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1302         /* 110 - 1680x720@48Hz 64:27 */
1303         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490,
1304                    2530, 2750, 0, 720, 725, 730, 750, 0,
1305                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1306           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1307         /* 111 - 1920x1080@48Hz 16:9 */
1308         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1309                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1310                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1311           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1312         /* 112 - 1920x1080@48Hz 64:27 */
1313         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1314                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1315                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1316           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1317         /* 113 - 2560x1080@48Hz 64:27 */
1318         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558,
1319                    3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1320                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1321           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1322         /* 114 - 3840x2160@48Hz 16:9 */
1323         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1324                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1325                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1326           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1327         /* 115 - 4096x2160@48Hz 256:135 */
1328         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116,
1329                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1330                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1331           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1332         /* 116 - 3840x2160@48Hz 64:27 */
1333         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1334                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1335                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1336           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1337         /* 117 - 3840x2160@100Hz 16:9 */
1338         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1339                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1340                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1341           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1342         /* 118 - 3840x2160@120Hz 16:9 */
1343         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1344                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1345                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1346           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1347         /* 119 - 3840x2160@100Hz 64:27 */
1348         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1349                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1350                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1351           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1352         /* 120 - 3840x2160@120Hz 64:27 */
1353         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1354                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1355                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1356           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1357         /* 121 - 5120x2160@24Hz 64:27 */
1358         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116,
1359                    7204, 7500, 0, 2160, 2168, 2178, 2200, 0,
1360                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1361           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1362         /* 122 - 5120x2160@25Hz 64:27 */
1363         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816,
1364                    6904, 7200, 0, 2160, 2168, 2178, 2200, 0,
1365                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1366           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1367         /* 123 - 5120x2160@30Hz 64:27 */
1368         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784,
1369                    5872, 6000, 0, 2160, 2168, 2178, 2200, 0,
1370                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1371           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1372         /* 124 - 5120x2160@48Hz 64:27 */
1373         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866,
1374                    5954, 6250, 0, 2160, 2168, 2178, 2475, 0,
1375                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1376           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1377         /* 125 - 5120x2160@50Hz 64:27 */
1378         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216,
1379                    6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1380                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1381           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1382         /* 126 - 5120x2160@60Hz 64:27 */
1383         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284,
1384                    5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1385                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1386           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1387         /* 127 - 5120x2160@100Hz 64:27 */
1388         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216,
1389                    6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1390                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1391           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1392 };
1393
1394 /*
1395  * From CEA/CTA-861 spec.
1396  *
1397  * Do not access directly, instead always use cea_mode_for_vic().
1398  */
1399 static const struct drm_display_mode edid_cea_modes_193[] = {
1400         /* 193 - 5120x2160@120Hz 64:27 */
1401         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
1402                    5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1403                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1404           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1405         /* 194 - 7680x4320@24Hz 16:9 */
1406         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1407                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1408                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1409           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1410         /* 195 - 7680x4320@25Hz 16:9 */
1411         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1412                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1413                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1414           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1415         /* 196 - 7680x4320@30Hz 16:9 */
1416         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1417                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1418                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1419           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1420         /* 197 - 7680x4320@48Hz 16:9 */
1421         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1422                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1423                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1424           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1425         /* 198 - 7680x4320@50Hz 16:9 */
1426         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1427                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1428                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1429           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1430         /* 199 - 7680x4320@60Hz 16:9 */
1431         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1432                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1433                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1434           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1435         /* 200 - 7680x4320@100Hz 16:9 */
1436         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1437                    9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1438                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1439           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1440         /* 201 - 7680x4320@120Hz 16:9 */
1441         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1442                    8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1443                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1444           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1445         /* 202 - 7680x4320@24Hz 64:27 */
1446         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1447                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1448                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1449           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1450         /* 203 - 7680x4320@25Hz 64:27 */
1451         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1452                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1453                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1454           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1455         /* 204 - 7680x4320@30Hz 64:27 */
1456         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1457                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1458                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1459           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1460         /* 205 - 7680x4320@48Hz 64:27 */
1461         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1462                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1463                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1464           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1465         /* 206 - 7680x4320@50Hz 64:27 */
1466         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1467                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1468                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1469           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1470         /* 207 - 7680x4320@60Hz 64:27 */
1471         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1472                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1473                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1474           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1475         /* 208 - 7680x4320@100Hz 64:27 */
1476         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1477                    9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1478                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1479           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1480         /* 209 - 7680x4320@120Hz 64:27 */
1481         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1482                    8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1483                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1484           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1485         /* 210 - 10240x4320@24Hz 64:27 */
1486         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
1487                    11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1488                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1489           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1490         /* 211 - 10240x4320@25Hz 64:27 */
1491         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
1492                    12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1493                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1494           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1495         /* 212 - 10240x4320@30Hz 64:27 */
1496         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
1497                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1498                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1499           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1500         /* 213 - 10240x4320@48Hz 64:27 */
1501         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
1502                    11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1503                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1504           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1505         /* 214 - 10240x4320@50Hz 64:27 */
1506         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
1507                    12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1508                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1509           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1510         /* 215 - 10240x4320@60Hz 64:27 */
1511         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
1512                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1513                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1514           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1515         /* 216 - 10240x4320@100Hz 64:27 */
1516         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
1517                    12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
1518                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1519           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1520         /* 217 - 10240x4320@120Hz 64:27 */
1521         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
1522                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1523                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1524           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1525         /* 218 - 4096x2160@100Hz 256:135 */
1526         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
1527                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1528                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1529           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1530         /* 219 - 4096x2160@120Hz 256:135 */
1531         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
1532                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1533                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1534           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1535 };
1536
1537 /*
1538  * HDMI 1.4 4k modes. Index using the VIC.
1539  */
1540 static const struct drm_display_mode edid_4k_modes[] = {
1541         /* 0 - dummy, VICs start at 1 */
1542         { },
1543         /* 1 - 3840x2160@30Hz */
1544         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1545                    3840, 4016, 4104, 4400, 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         /* 2 - 3840x2160@25Hz */
1550         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1551                    3840, 4896, 4984, 5280, 0,
1552                    2160, 2168, 2178, 2250, 0,
1553                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1554           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1555         /* 3 - 3840x2160@24Hz */
1556         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1557                    3840, 5116, 5204, 5500, 0,
1558                    2160, 2168, 2178, 2250, 0,
1559                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1560           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1561         /* 4 - 4096x2160@24Hz (SMPTE) */
1562         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1563                    4096, 5116, 5204, 5500, 0,
1564                    2160, 2168, 2178, 2250, 0,
1565                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1566           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1567 };
1568
1569 /*** DDC fetch and block validation ***/
1570
1571 static const u8 edid_header[] = {
1572         0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1573 };
1574
1575 /**
1576  * drm_edid_header_is_valid - sanity check the header of the base EDID block
1577  * @raw_edid: pointer to raw base EDID block
1578  *
1579  * Sanity check the header of the base EDID block.
1580  *
1581  * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1582  */
1583 int drm_edid_header_is_valid(const u8 *raw_edid)
1584 {
1585         int i, score = 0;
1586
1587         for (i = 0; i < sizeof(edid_header); i++)
1588                 if (raw_edid[i] == edid_header[i])
1589                         score++;
1590
1591         return score;
1592 }
1593 EXPORT_SYMBOL(drm_edid_header_is_valid);
1594
1595 static int edid_fixup __read_mostly = 6;
1596 module_param_named(edid_fixup, edid_fixup, int, 0400);
1597 MODULE_PARM_DESC(edid_fixup,
1598                  "Minimum number of valid EDID header bytes (0-8, default 6)");
1599
1600 static int drm_edid_block_checksum(const u8 *raw_edid)
1601 {
1602         int i;
1603         u8 csum = 0, crc = 0;
1604
1605         for (i = 0; i < EDID_LENGTH - 1; i++)
1606                 csum += raw_edid[i];
1607
1608         crc = 0x100 - csum;
1609
1610         return crc;
1611 }
1612
1613 static bool drm_edid_block_checksum_diff(const u8 *raw_edid, u8 real_checksum)
1614 {
1615         if (raw_edid[EDID_LENGTH - 1] != real_checksum)
1616                 return true;
1617         else
1618                 return false;
1619 }
1620
1621 static bool drm_edid_is_zero(const u8 *in_edid, int length)
1622 {
1623         if (memchr_inv(in_edid, 0, length))
1624                 return false;
1625
1626         return true;
1627 }
1628
1629 /**
1630  * drm_edid_are_equal - compare two edid blobs.
1631  * @edid1: pointer to first blob
1632  * @edid2: pointer to second blob
1633  * This helper can be used during probing to determine if
1634  * edid had changed.
1635  */
1636 bool drm_edid_are_equal(const struct edid *edid1, const struct edid *edid2)
1637 {
1638         int edid1_len, edid2_len;
1639         bool edid1_present = edid1 != NULL;
1640         bool edid2_present = edid2 != NULL;
1641
1642         if (edid1_present != edid2_present)
1643                 return false;
1644
1645         if (edid1) {
1646                 edid1_len = EDID_LENGTH * (1 + edid1->extensions);
1647                 edid2_len = EDID_LENGTH * (1 + edid2->extensions);
1648
1649                 if (edid1_len != edid2_len)
1650                         return false;
1651
1652                 if (memcmp(edid1, edid2, edid1_len))
1653                         return false;
1654         }
1655
1656         return true;
1657 }
1658 EXPORT_SYMBOL(drm_edid_are_equal);
1659
1660 /**
1661  * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1662  * @raw_edid: pointer to raw EDID block
1663  * @block: type of block to validate (0 for base, extension otherwise)
1664  * @print_bad_edid: if true, dump bad EDID blocks to the console
1665  * @edid_corrupt: if true, the header or checksum is invalid
1666  *
1667  * Validate a base or extension EDID block and optionally dump bad blocks to
1668  * the console.
1669  *
1670  * Return: True if the block is valid, false otherwise.
1671  */
1672 bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
1673                           bool *edid_corrupt)
1674 {
1675         u8 csum;
1676         struct edid *edid = (struct edid *)raw_edid;
1677
1678         if (WARN_ON(!raw_edid))
1679                 return false;
1680
1681         if (edid_fixup > 8 || edid_fixup < 0)
1682                 edid_fixup = 6;
1683
1684         if (block == 0) {
1685                 int score = drm_edid_header_is_valid(raw_edid);
1686
1687                 if (score == 8) {
1688                         if (edid_corrupt)
1689                                 *edid_corrupt = false;
1690                 } else if (score >= edid_fixup) {
1691                         /* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6
1692                          * The corrupt flag needs to be set here otherwise, the
1693                          * fix-up code here will correct the problem, the
1694                          * checksum is correct and the test fails
1695                          */
1696                         if (edid_corrupt)
1697                                 *edid_corrupt = true;
1698                         DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
1699                         memcpy(raw_edid, edid_header, sizeof(edid_header));
1700                 } else {
1701                         if (edid_corrupt)
1702                                 *edid_corrupt = true;
1703                         goto bad;
1704                 }
1705         }
1706
1707         csum = drm_edid_block_checksum(raw_edid);
1708         if (drm_edid_block_checksum_diff(raw_edid, csum)) {
1709                 if (edid_corrupt)
1710                         *edid_corrupt = true;
1711
1712                 /* allow CEA to slide through, switches mangle this */
1713                 if (raw_edid[0] == CEA_EXT) {
1714                         DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum);
1715                         DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n");
1716                 } else {
1717                         if (print_bad_edid)
1718                                 DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
1719
1720                         goto bad;
1721                 }
1722         }
1723
1724         /* per-block-type checks */
1725         switch (raw_edid[0]) {
1726         case 0: /* base */
1727                 if (edid->version != 1) {
1728                         DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
1729                         goto bad;
1730                 }
1731
1732                 if (edid->revision > 4)
1733                         DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
1734                 break;
1735
1736         default:
1737                 break;
1738         }
1739
1740         return true;
1741
1742 bad:
1743         if (print_bad_edid) {
1744                 if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1745                         pr_notice("EDID block is all zeroes\n");
1746                 } else {
1747                         pr_notice("Raw EDID:\n");
1748                         print_hex_dump(KERN_NOTICE,
1749                                        " \t", DUMP_PREFIX_NONE, 16, 1,
1750                                        raw_edid, EDID_LENGTH, false);
1751                 }
1752         }
1753         return false;
1754 }
1755 EXPORT_SYMBOL(drm_edid_block_valid);
1756
1757 /**
1758  * drm_edid_is_valid - sanity check EDID data
1759  * @edid: EDID data
1760  *
1761  * Sanity-check an entire EDID record (including extensions)
1762  *
1763  * Return: True if the EDID data is valid, false otherwise.
1764  */
1765 bool drm_edid_is_valid(struct edid *edid)
1766 {
1767         int i;
1768         u8 *raw = (u8 *)edid;
1769
1770         if (!edid)
1771                 return false;
1772
1773         for (i = 0; i <= edid->extensions; i++)
1774                 if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
1775                         return false;
1776
1777         return true;
1778 }
1779 EXPORT_SYMBOL(drm_edid_is_valid);
1780
1781 #define DDC_SEGMENT_ADDR 0x30
1782 /**
1783  * drm_do_probe_ddc_edid() - get EDID information via I2C
1784  * @data: I2C device adapter
1785  * @buf: EDID data buffer to be filled
1786  * @block: 128 byte EDID block to start fetching from
1787  * @len: EDID data buffer length to fetch
1788  *
1789  * Try to fetch EDID information by calling I2C driver functions.
1790  *
1791  * Return: 0 on success or -1 on failure.
1792  */
1793 static int
1794 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1795 {
1796         struct i2c_adapter *adapter = data;
1797         unsigned char start = block * EDID_LENGTH;
1798         unsigned char segment = block >> 1;
1799         unsigned char xfers = segment ? 3 : 2;
1800         int ret, retries = 5;
1801
1802         /*
1803          * The core I2C driver will automatically retry the transfer if the
1804          * adapter reports EAGAIN. However, we find that bit-banging transfers
1805          * are susceptible to errors under a heavily loaded machine and
1806          * generate spurious NAKs and timeouts. Retrying the transfer
1807          * of the individual block a few times seems to overcome this.
1808          */
1809         do {
1810                 struct i2c_msg msgs[] = {
1811                         {
1812                                 .addr   = DDC_SEGMENT_ADDR,
1813                                 .flags  = 0,
1814                                 .len    = 1,
1815                                 .buf    = &segment,
1816                         }, {
1817                                 .addr   = DDC_ADDR,
1818                                 .flags  = 0,
1819                                 .len    = 1,
1820                                 .buf    = &start,
1821                         }, {
1822                                 .addr   = DDC_ADDR,
1823                                 .flags  = I2C_M_RD,
1824                                 .len    = len,
1825                                 .buf    = buf,
1826                         }
1827                 };
1828
1829                 /*
1830                  * Avoid sending the segment addr to not upset non-compliant
1831                  * DDC monitors.
1832                  */
1833                 ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
1834
1835                 if (ret == -ENXIO) {
1836                         DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1837                                         adapter->name);
1838                         break;
1839                 }
1840         } while (ret != xfers && --retries);
1841
1842         return ret == xfers ? 0 : -1;
1843 }
1844
1845 static void connector_bad_edid(struct drm_connector *connector,
1846                                u8 *edid, int num_blocks)
1847 {
1848         int i;
1849         u8 last_block;
1850
1851         /*
1852          * 0x7e in the EDID is the number of extension blocks. The EDID
1853          * is 1 (base block) + num_ext_blocks big. That means we can think
1854          * of 0x7e in the EDID of the _index_ of the last block in the
1855          * combined chunk of memory.
1856          */
1857         last_block = edid[0x7e];
1858
1859         /* Calculate real checksum for the last edid extension block data */
1860         if (last_block < num_blocks)
1861                 connector->real_edid_checksum =
1862                         drm_edid_block_checksum(edid + last_block * EDID_LENGTH);
1863
1864         if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
1865                 return;
1866
1867         drm_dbg_kms(connector->dev, "%s: EDID is invalid:\n", connector->name);
1868         for (i = 0; i < num_blocks; i++) {
1869                 u8 *block = edid + i * EDID_LENGTH;
1870                 char prefix[20];
1871
1872                 if (drm_edid_is_zero(block, EDID_LENGTH))
1873                         sprintf(prefix, "\t[%02x] ZERO ", i);
1874                 else if (!drm_edid_block_valid(block, i, false, NULL))
1875                         sprintf(prefix, "\t[%02x] BAD  ", i);
1876                 else
1877                         sprintf(prefix, "\t[%02x] GOOD ", i);
1878
1879                 print_hex_dump(KERN_DEBUG,
1880                                prefix, DUMP_PREFIX_NONE, 16, 1,
1881                                block, EDID_LENGTH, false);
1882         }
1883 }
1884
1885 /* Get override or firmware EDID */
1886 static struct edid *drm_get_override_edid(struct drm_connector *connector)
1887 {
1888         struct edid *override = NULL;
1889
1890         if (connector->override_edid)
1891                 override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1892
1893         if (!override)
1894                 override = drm_load_edid_firmware(connector);
1895
1896         return IS_ERR(override) ? NULL : override;
1897 }
1898
1899 /**
1900  * drm_add_override_edid_modes - add modes from override/firmware EDID
1901  * @connector: connector we're probing
1902  *
1903  * Add modes from the override/firmware EDID, if available. Only to be used from
1904  * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1905  * failed during drm_get_edid() and caused the override/firmware EDID to be
1906  * skipped.
1907  *
1908  * Return: The number of modes added or 0 if we couldn't find any.
1909  */
1910 int drm_add_override_edid_modes(struct drm_connector *connector)
1911 {
1912         struct edid *override;
1913         int num_modes = 0;
1914
1915         override = drm_get_override_edid(connector);
1916         if (override) {
1917                 drm_connector_update_edid_property(connector, override);
1918                 num_modes = drm_add_edid_modes(connector, override);
1919                 kfree(override);
1920
1921                 DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1922                               connector->base.id, connector->name, num_modes);
1923         }
1924
1925         return num_modes;
1926 }
1927 EXPORT_SYMBOL(drm_add_override_edid_modes);
1928
1929 static struct edid *drm_do_get_edid_base_block(struct drm_connector *connector,
1930         int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1931                               size_t len),
1932         void *data)
1933 {
1934         int *null_edid_counter = connector ? &connector->null_edid_counter : NULL;
1935         bool *edid_corrupt = connector ? &connector->edid_corrupt : NULL;
1936         void *edid;
1937         int i;
1938
1939         edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
1940         if (edid == NULL)
1941                 return NULL;
1942
1943         /* base block fetch */
1944         for (i = 0; i < 4; i++) {
1945                 if (get_edid_block(data, edid, 0, EDID_LENGTH))
1946                         goto out;
1947                 if (drm_edid_block_valid(edid, 0, false, edid_corrupt))
1948                         break;
1949                 if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1950                         if (null_edid_counter)
1951                                 (*null_edid_counter)++;
1952                         goto carp;
1953                 }
1954         }
1955         if (i == 4)
1956                 goto carp;
1957
1958         return edid;
1959
1960 carp:
1961         if (connector)
1962                 connector_bad_edid(connector, edid, 1);
1963 out:
1964         kfree(edid);
1965         return NULL;
1966 }
1967
1968 /**
1969  * drm_do_get_edid - get EDID data using a custom EDID block read function
1970  * @connector: connector we're probing
1971  * @get_edid_block: EDID block read function
1972  * @data: private data passed to the block read function
1973  *
1974  * When the I2C adapter connected to the DDC bus is hidden behind a device that
1975  * exposes a different interface to read EDID blocks this function can be used
1976  * to get EDID data using a custom block read function.
1977  *
1978  * As in the general case the DDC bus is accessible by the kernel at the I2C
1979  * level, drivers must make all reasonable efforts to expose it as an I2C
1980  * adapter and use drm_get_edid() instead of abusing this function.
1981  *
1982  * The EDID may be overridden using debugfs override_edid or firmware EDID
1983  * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1984  * order. Having either of them bypasses actual EDID reads.
1985  *
1986  * Return: Pointer to valid EDID or NULL if we couldn't find any.
1987  */
1988 struct edid *drm_do_get_edid(struct drm_connector *connector,
1989         int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1990                               size_t len),
1991         void *data)
1992 {
1993         int i, j = 0, valid_extensions = 0;
1994         u8 *edid, *new;
1995         struct edid *override;
1996
1997         override = drm_get_override_edid(connector);
1998         if (override)
1999                 return override;
2000
2001         edid = (u8 *)drm_do_get_edid_base_block(connector, get_edid_block, data);
2002         if (!edid)
2003                 return NULL;
2004
2005         /* if there's no extensions or no connector, we're done */
2006         valid_extensions = edid[0x7e];
2007         if (valid_extensions == 0)
2008                 return (struct edid *)edid;
2009
2010         new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2011         if (!new)
2012                 goto out;
2013         edid = new;
2014
2015         for (j = 1; j <= edid[0x7e]; j++) {
2016                 u8 *block = edid + j * EDID_LENGTH;
2017
2018                 for (i = 0; i < 4; i++) {
2019                         if (get_edid_block(data, block, j, EDID_LENGTH))
2020                                 goto out;
2021                         if (drm_edid_block_valid(block, j, false, NULL))
2022                                 break;
2023                 }
2024
2025                 if (i == 4)
2026                         valid_extensions--;
2027         }
2028
2029         if (valid_extensions != edid[0x7e]) {
2030                 u8 *base;
2031
2032                 connector_bad_edid(connector, edid, edid[0x7e] + 1);
2033
2034                 edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
2035                 edid[0x7e] = valid_extensions;
2036
2037                 new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
2038                                     GFP_KERNEL);
2039                 if (!new)
2040                         goto out;
2041
2042                 base = new;
2043                 for (i = 0; i <= edid[0x7e]; i++) {
2044                         u8 *block = edid + i * EDID_LENGTH;
2045
2046                         if (!drm_edid_block_valid(block, i, false, NULL))
2047                                 continue;
2048
2049                         memcpy(base, block, EDID_LENGTH);
2050                         base += EDID_LENGTH;
2051                 }
2052
2053                 kfree(edid);
2054                 edid = new;
2055         }
2056
2057         return (struct edid *)edid;
2058
2059 out:
2060         kfree(edid);
2061         return NULL;
2062 }
2063 EXPORT_SYMBOL_GPL(drm_do_get_edid);
2064
2065 /**
2066  * drm_probe_ddc() - probe DDC presence
2067  * @adapter: I2C adapter to probe
2068  *
2069  * Return: True on success, false on failure.
2070  */
2071 bool
2072 drm_probe_ddc(struct i2c_adapter *adapter)
2073 {
2074         unsigned char out;
2075
2076         return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2077 }
2078 EXPORT_SYMBOL(drm_probe_ddc);
2079
2080 /**
2081  * drm_get_edid - get EDID data, if available
2082  * @connector: connector we're probing
2083  * @adapter: I2C adapter to use for DDC
2084  *
2085  * Poke the given I2C channel to grab EDID data if possible.  If found,
2086  * attach it to the connector.
2087  *
2088  * Return: Pointer to valid EDID or NULL if we couldn't find any.
2089  */
2090 struct edid *drm_get_edid(struct drm_connector *connector,
2091                           struct i2c_adapter *adapter)
2092 {
2093         struct edid *edid;
2094
2095         if (connector->force == DRM_FORCE_OFF)
2096                 return NULL;
2097
2098         if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2099                 return NULL;
2100
2101         edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2102         drm_connector_update_edid_property(connector, edid);
2103         return edid;
2104 }
2105 EXPORT_SYMBOL(drm_get_edid);
2106
2107 static u32 edid_extract_panel_id(const struct edid *edid)
2108 {
2109         /*
2110          * We represent the ID as a 32-bit number so it can easily be compared
2111          * with "==".
2112          *
2113          * NOTE that we deal with endianness differently for the top half
2114          * of this ID than for the bottom half. The bottom half (the product
2115          * id) gets decoded as little endian by the EDID_PRODUCT_ID because
2116          * that's how everyone seems to interpret it. The top half (the mfg_id)
2117          * gets stored as big endian because that makes
2118          * drm_edid_encode_panel_id() and drm_edid_decode_panel_id() easier
2119          * to write (it's easier to extract the ASCII). It doesn't really
2120          * matter, though, as long as the number here is unique.
2121          */
2122         return (u32)edid->mfg_id[0] << 24   |
2123                (u32)edid->mfg_id[1] << 16   |
2124                (u32)EDID_PRODUCT_ID(edid);
2125 }
2126
2127 /**
2128  * drm_edid_get_panel_id - Get a panel's ID through DDC
2129  * @adapter: I2C adapter to use for DDC
2130  *
2131  * This function reads the first block of the EDID of a panel and (assuming
2132  * that the EDID is valid) extracts the ID out of it. The ID is a 32-bit value
2133  * (16 bits of manufacturer ID and 16 bits of per-manufacturer ID) that's
2134  * supposed to be different for each different modem of panel.
2135  *
2136  * This function is intended to be used during early probing on devices where
2137  * more than one panel might be present. Because of its intended use it must
2138  * assume that the EDID of the panel is correct, at least as far as the ID
2139  * is concerned (in other words, we don't process any overrides here).
2140  *
2141  * NOTE: it's expected that this function and drm_do_get_edid() will both
2142  * be read the EDID, but there is no caching between them. Since we're only
2143  * reading the first block, hopefully this extra overhead won't be too big.
2144  *
2145  * Return: A 32-bit ID that should be different for each make/model of panel.
2146  *         See the functions drm_edid_encode_panel_id() and
2147  *         drm_edid_decode_panel_id() for some details on the structure of this
2148  *         ID.
2149  */
2150
2151 u32 drm_edid_get_panel_id(struct i2c_adapter *adapter)
2152 {
2153         struct edid *edid;
2154         u32 panel_id;
2155
2156         edid = drm_do_get_edid_base_block(NULL, drm_do_probe_ddc_edid, adapter);
2157
2158         /*
2159          * There are no manufacturer IDs of 0, so if there is a problem reading
2160          * the EDID then we'll just return 0.
2161          */
2162         if (!edid)
2163                 return 0;
2164
2165         panel_id = edid_extract_panel_id(edid);
2166         kfree(edid);
2167
2168         return panel_id;
2169 }
2170 EXPORT_SYMBOL(drm_edid_get_panel_id);
2171
2172 /**
2173  * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2174  * @connector: connector we're probing
2175  * @adapter: I2C adapter to use for DDC
2176  *
2177  * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2178  * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2179  * switch DDC to the GPU which is retrieving EDID.
2180  *
2181  * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2182  */
2183 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2184                                      struct i2c_adapter *adapter)
2185 {
2186         struct drm_device *dev = connector->dev;
2187         struct pci_dev *pdev = to_pci_dev(dev->dev);
2188         struct edid *edid;
2189
2190         if (drm_WARN_ON_ONCE(dev, !dev_is_pci(dev->dev)))
2191                 return NULL;
2192
2193         vga_switcheroo_lock_ddc(pdev);
2194         edid = drm_get_edid(connector, adapter);
2195         vga_switcheroo_unlock_ddc(pdev);
2196
2197         return edid;
2198 }
2199 EXPORT_SYMBOL(drm_get_edid_switcheroo);
2200
2201 /**
2202  * drm_edid_duplicate - duplicate an EDID and the extensions
2203  * @edid: EDID to duplicate
2204  *
2205  * Return: Pointer to duplicated EDID or NULL on allocation failure.
2206  */
2207 struct edid *drm_edid_duplicate(const struct edid *edid)
2208 {
2209         return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2210 }
2211 EXPORT_SYMBOL(drm_edid_duplicate);
2212
2213 /*** EDID parsing ***/
2214
2215 /**
2216  * edid_get_quirks - return quirk flags for a given EDID
2217  * @edid: EDID to process
2218  *
2219  * This tells subsequent routines what fixes they need to apply.
2220  */
2221 static u32 edid_get_quirks(const struct edid *edid)
2222 {
2223         u32 panel_id = edid_extract_panel_id(edid);
2224         const struct edid_quirk *quirk;
2225         int i;
2226
2227         for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2228                 quirk = &edid_quirk_list[i];
2229                 if (quirk->panel_id == panel_id)
2230                         return quirk->quirks;
2231         }
2232
2233         return 0;
2234 }
2235
2236 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2237 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2238
2239 /**
2240  * edid_fixup_preferred - set preferred modes based on quirk list
2241  * @connector: has mode list to fix up
2242  * @quirks: quirks list
2243  *
2244  * Walk the mode list for @connector, clearing the preferred status
2245  * on existing modes and setting it anew for the right mode ala @quirks.
2246  */
2247 static void edid_fixup_preferred(struct drm_connector *connector,
2248                                  u32 quirks)
2249 {
2250         struct drm_display_mode *t, *cur_mode, *preferred_mode;
2251         int target_refresh = 0;
2252         int cur_vrefresh, preferred_vrefresh;
2253
2254         if (list_empty(&connector->probed_modes))
2255                 return;
2256
2257         if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2258                 target_refresh = 60;
2259         if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2260                 target_refresh = 75;
2261
2262         preferred_mode = list_first_entry(&connector->probed_modes,
2263                                           struct drm_display_mode, head);
2264
2265         list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2266                 cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2267
2268                 if (cur_mode == preferred_mode)
2269                         continue;
2270
2271                 /* Largest mode is preferred */
2272                 if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2273                         preferred_mode = cur_mode;
2274
2275                 cur_vrefresh = drm_mode_vrefresh(cur_mode);
2276                 preferred_vrefresh = drm_mode_vrefresh(preferred_mode);
2277                 /* At a given size, try to get closest to target refresh */
2278                 if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2279                     MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2280                     MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2281                         preferred_mode = cur_mode;
2282                 }
2283         }
2284
2285         preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2286 }
2287
2288 static bool
2289 mode_is_rb(const struct drm_display_mode *mode)
2290 {
2291         return (mode->htotal - mode->hdisplay == 160) &&
2292                (mode->hsync_end - mode->hdisplay == 80) &&
2293                (mode->hsync_end - mode->hsync_start == 32) &&
2294                (mode->vsync_start - mode->vdisplay == 3);
2295 }
2296
2297 /*
2298  * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2299  * @dev: Device to duplicate against
2300  * @hsize: Mode width
2301  * @vsize: Mode height
2302  * @fresh: Mode refresh rate
2303  * @rb: Mode reduced-blanking-ness
2304  *
2305  * Walk the DMT mode list looking for a match for the given parameters.
2306  *
2307  * Return: A newly allocated copy of the mode, or NULL if not found.
2308  */
2309 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2310                                            int hsize, int vsize, int fresh,
2311                                            bool rb)
2312 {
2313         int i;
2314
2315         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2316                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2317
2318                 if (hsize != ptr->hdisplay)
2319                         continue;
2320                 if (vsize != ptr->vdisplay)
2321                         continue;
2322                 if (fresh != drm_mode_vrefresh(ptr))
2323                         continue;
2324                 if (rb != mode_is_rb(ptr))
2325                         continue;
2326
2327                 return drm_mode_duplicate(dev, ptr);
2328         }
2329
2330         return NULL;
2331 }
2332 EXPORT_SYMBOL(drm_mode_find_dmt);
2333
2334 static bool is_display_descriptor(const u8 d[18], u8 tag)
2335 {
2336         return d[0] == 0x00 && d[1] == 0x00 &&
2337                 d[2] == 0x00 && d[3] == tag;
2338 }
2339
2340 static bool is_detailed_timing_descriptor(const u8 d[18])
2341 {
2342         return d[0] != 0x00 || d[1] != 0x00;
2343 }
2344
2345 typedef void detailed_cb(struct detailed_timing *timing, void *closure);
2346
2347 static void
2348 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2349 {
2350         int i, n;
2351         u8 d = ext[0x02];
2352         u8 *det_base = ext + d;
2353
2354         if (d < 4 || d > 127)
2355                 return;
2356
2357         n = (127 - d) / 18;
2358         for (i = 0; i < n; i++)
2359                 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2360 }
2361
2362 static void
2363 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2364 {
2365         unsigned int i, n = min((int)ext[0x02], 6);
2366         u8 *det_base = ext + 5;
2367
2368         if (ext[0x01] != 1)
2369                 return; /* unknown version */
2370
2371         for (i = 0; i < n; i++)
2372                 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2373 }
2374
2375 static void
2376 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
2377 {
2378         int i;
2379         struct edid *edid = (struct edid *)raw_edid;
2380
2381         if (edid == NULL)
2382                 return;
2383
2384         for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2385                 cb(&(edid->detailed_timings[i]), closure);
2386
2387         for (i = 1; i <= raw_edid[0x7e]; i++) {
2388                 u8 *ext = raw_edid + (i * EDID_LENGTH);
2389
2390                 switch (*ext) {
2391                 case CEA_EXT:
2392                         cea_for_each_detailed_block(ext, cb, closure);
2393                         break;
2394                 case VTB_EXT:
2395                         vtb_for_each_detailed_block(ext, cb, closure);
2396                         break;
2397                 default:
2398                         break;
2399                 }
2400         }
2401 }
2402
2403 static void
2404 is_rb(struct detailed_timing *t, void *data)
2405 {
2406         u8 *r = (u8 *)t;
2407
2408         if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2409                 return;
2410
2411         if (r[15] & 0x10)
2412                 *(bool *)data = true;
2413 }
2414
2415 /* EDID 1.4 defines this explicitly.  For EDID 1.3, we guess, badly. */
2416 static bool
2417 drm_monitor_supports_rb(struct edid *edid)
2418 {
2419         if (edid->revision >= 4) {
2420                 bool ret = false;
2421
2422                 drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2423                 return ret;
2424         }
2425
2426         return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2427 }
2428
2429 static void
2430 find_gtf2(struct detailed_timing *t, void *data)
2431 {
2432         u8 *r = (u8 *)t;
2433
2434         if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2435                 return;
2436
2437         if (r[10] == 0x02)
2438                 *(u8 **)data = r;
2439 }
2440
2441 /* Secondary GTF curve kicks in above some break frequency */
2442 static int
2443 drm_gtf2_hbreak(struct edid *edid)
2444 {
2445         u8 *r = NULL;
2446
2447         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2448         return r ? (r[12] * 2) : 0;
2449 }
2450
2451 static int
2452 drm_gtf2_2c(struct edid *edid)
2453 {
2454         u8 *r = NULL;
2455
2456         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2457         return r ? r[13] : 0;
2458 }
2459
2460 static int
2461 drm_gtf2_m(struct edid *edid)
2462 {
2463         u8 *r = NULL;
2464
2465         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2466         return r ? (r[15] << 8) + r[14] : 0;
2467 }
2468
2469 static int
2470 drm_gtf2_k(struct edid *edid)
2471 {
2472         u8 *r = NULL;
2473
2474         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2475         return r ? r[16] : 0;
2476 }
2477
2478 static int
2479 drm_gtf2_2j(struct edid *edid)
2480 {
2481         u8 *r = NULL;
2482
2483         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2484         return r ? r[17] : 0;
2485 }
2486
2487 /**
2488  * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2489  * @edid: EDID block to scan
2490  */
2491 static int standard_timing_level(struct edid *edid)
2492 {
2493         if (edid->revision >= 2) {
2494                 if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2495                         return LEVEL_CVT;
2496                 if (drm_gtf2_hbreak(edid))
2497                         return LEVEL_GTF2;
2498                 if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2499                         return LEVEL_GTF;
2500         }
2501         return LEVEL_DMT;
2502 }
2503
2504 /*
2505  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
2506  * monitors fill with ascii space (0x20) instead.
2507  */
2508 static int
2509 bad_std_timing(u8 a, u8 b)
2510 {
2511         return (a == 0x00 && b == 0x00) ||
2512                (a == 0x01 && b == 0x01) ||
2513                (a == 0x20 && b == 0x20);
2514 }
2515
2516 static int drm_mode_hsync(const struct drm_display_mode *mode)
2517 {
2518         if (mode->htotal <= 0)
2519                 return 0;
2520
2521         return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
2522 }
2523
2524 /**
2525  * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2526  * @connector: connector of for the EDID block
2527  * @edid: EDID block to scan
2528  * @t: standard timing params
2529  *
2530  * Take the standard timing params (in this case width, aspect, and refresh)
2531  * and convert them into a real mode using CVT/GTF/DMT.
2532  */
2533 static struct drm_display_mode *
2534 drm_mode_std(struct drm_connector *connector, struct edid *edid,
2535              struct std_timing *t)
2536 {
2537         struct drm_device *dev = connector->dev;
2538         struct drm_display_mode *m, *mode = NULL;
2539         int hsize, vsize;
2540         int vrefresh_rate;
2541         unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2542                 >> EDID_TIMING_ASPECT_SHIFT;
2543         unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2544                 >> EDID_TIMING_VFREQ_SHIFT;
2545         int timing_level = standard_timing_level(edid);
2546
2547         if (bad_std_timing(t->hsize, t->vfreq_aspect))
2548                 return NULL;
2549
2550         /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2551         hsize = t->hsize * 8 + 248;
2552         /* vrefresh_rate = vfreq + 60 */
2553         vrefresh_rate = vfreq + 60;
2554         /* the vdisplay is calculated based on the aspect ratio */
2555         if (aspect_ratio == 0) {
2556                 if (edid->revision < 3)
2557                         vsize = hsize;
2558                 else
2559                         vsize = (hsize * 10) / 16;
2560         } else if (aspect_ratio == 1)
2561                 vsize = (hsize * 3) / 4;
2562         else if (aspect_ratio == 2)
2563                 vsize = (hsize * 4) / 5;
2564         else
2565                 vsize = (hsize * 9) / 16;
2566
2567         /* HDTV hack, part 1 */
2568         if (vrefresh_rate == 60 &&
2569             ((hsize == 1360 && vsize == 765) ||
2570              (hsize == 1368 && vsize == 769))) {
2571                 hsize = 1366;
2572                 vsize = 768;
2573         }
2574
2575         /*
2576          * If this connector already has a mode for this size and refresh
2577          * rate (because it came from detailed or CVT info), use that
2578          * instead.  This way we don't have to guess at interlace or
2579          * reduced blanking.
2580          */
2581         list_for_each_entry(m, &connector->probed_modes, head)
2582                 if (m->hdisplay == hsize && m->vdisplay == vsize &&
2583                     drm_mode_vrefresh(m) == vrefresh_rate)
2584                         return NULL;
2585
2586         /* HDTV hack, part 2 */
2587         if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2588                 mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2589                                     false);
2590                 if (!mode)
2591                         return NULL;
2592                 mode->hdisplay = 1366;
2593                 mode->hsync_start = mode->hsync_start - 1;
2594                 mode->hsync_end = mode->hsync_end - 1;
2595                 return mode;
2596         }
2597
2598         /* check whether it can be found in default mode table */
2599         if (drm_monitor_supports_rb(edid)) {
2600                 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2601                                          true);
2602                 if (mode)
2603                         return mode;
2604         }
2605         mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2606         if (mode)
2607                 return mode;
2608
2609         /* okay, generate it */
2610         switch (timing_level) {
2611         case LEVEL_DMT:
2612                 break;
2613         case LEVEL_GTF:
2614                 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2615                 break;
2616         case LEVEL_GTF2:
2617                 /*
2618                  * This is potentially wrong if there's ever a monitor with
2619                  * more than one ranges section, each claiming a different
2620                  * secondary GTF curve.  Please don't do that.
2621                  */
2622                 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2623                 if (!mode)
2624                         return NULL;
2625                 if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2626                         drm_mode_destroy(dev, mode);
2627                         mode = drm_gtf_mode_complex(dev, hsize, vsize,
2628                                                     vrefresh_rate, 0, 0,
2629                                                     drm_gtf2_m(edid),
2630                                                     drm_gtf2_2c(edid),
2631                                                     drm_gtf2_k(edid),
2632                                                     drm_gtf2_2j(edid));
2633                 }
2634                 break;
2635         case LEVEL_CVT:
2636                 mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2637                                     false);
2638                 break;
2639         }
2640         return mode;
2641 }
2642
2643 /*
2644  * EDID is delightfully ambiguous about how interlaced modes are to be
2645  * encoded.  Our internal representation is of frame height, but some
2646  * HDTV detailed timings are encoded as field height.
2647  *
2648  * The format list here is from CEA, in frame size.  Technically we
2649  * should be checking refresh rate too.  Whatever.
2650  */
2651 static void
2652 drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2653                             struct detailed_pixel_timing *pt)
2654 {
2655         int i;
2656         static const struct {
2657                 int w, h;
2658         } cea_interlaced[] = {
2659                 { 1920, 1080 },
2660                 {  720,  480 },
2661                 { 1440,  480 },
2662                 { 2880,  480 },
2663                 {  720,  576 },
2664                 { 1440,  576 },
2665                 { 2880,  576 },
2666         };
2667
2668         if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2669                 return;
2670
2671         for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2672                 if ((mode->hdisplay == cea_interlaced[i].w) &&
2673                     (mode->vdisplay == cea_interlaced[i].h / 2)) {
2674                         mode->vdisplay *= 2;
2675                         mode->vsync_start *= 2;
2676                         mode->vsync_end *= 2;
2677                         mode->vtotal *= 2;
2678                         mode->vtotal |= 1;
2679                 }
2680         }
2681
2682         mode->flags |= DRM_MODE_FLAG_INTERLACE;
2683 }
2684
2685 /**
2686  * drm_mode_detailed - create a new mode from an EDID detailed timing section
2687  * @dev: DRM device (needed to create new mode)
2688  * @edid: EDID block
2689  * @timing: EDID detailed timing info
2690  * @quirks: quirks to apply
2691  *
2692  * An EDID detailed timing block contains enough info for us to create and
2693  * return a new struct drm_display_mode.
2694  */
2695 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2696                                                   struct edid *edid,
2697                                                   struct detailed_timing *timing,
2698                                                   u32 quirks)
2699 {
2700         struct drm_display_mode *mode;
2701         struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2702         unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2703         unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2704         unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2705         unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2706         unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2707         unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2708         unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2709         unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2710
2711         /* ignore tiny modes */
2712         if (hactive < 64 || vactive < 64)
2713                 return NULL;
2714
2715         if (pt->misc & DRM_EDID_PT_STEREO) {
2716                 DRM_DEBUG_KMS("stereo mode not supported\n");
2717                 return NULL;
2718         }
2719         if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2720                 DRM_DEBUG_KMS("composite sync not supported\n");
2721         }
2722
2723         /* it is incorrect if hsync/vsync width is zero */
2724         if (!hsync_pulse_width || !vsync_pulse_width) {
2725                 DRM_DEBUG_KMS("Incorrect Detailed timing. "
2726                                 "Wrong Hsync/Vsync pulse width\n");
2727                 return NULL;
2728         }
2729
2730         if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2731                 mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2732                 if (!mode)
2733                         return NULL;
2734
2735                 goto set_size;
2736         }
2737
2738         mode = drm_mode_create(dev);
2739         if (!mode)
2740                 return NULL;
2741
2742         if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2743                 timing->pixel_clock = cpu_to_le16(1088);
2744
2745         mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2746
2747         mode->hdisplay = hactive;
2748         mode->hsync_start = mode->hdisplay + hsync_offset;
2749         mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2750         mode->htotal = mode->hdisplay + hblank;
2751
2752         mode->vdisplay = vactive;
2753         mode->vsync_start = mode->vdisplay + vsync_offset;
2754         mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2755         mode->vtotal = mode->vdisplay + vblank;
2756
2757         /* Some EDIDs have bogus h/vtotal values */
2758         if (mode->hsync_end > mode->htotal)
2759                 mode->htotal = mode->hsync_end + 1;
2760         if (mode->vsync_end > mode->vtotal)
2761                 mode->vtotal = mode->vsync_end + 1;
2762
2763         drm_mode_do_interlace_quirk(mode, pt);
2764
2765         if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2766                 pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
2767         }
2768
2769         mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2770                 DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2771         mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2772                 DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2773
2774 set_size:
2775         mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2776         mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2777
2778         if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2779                 mode->width_mm *= 10;
2780                 mode->height_mm *= 10;
2781         }
2782
2783         if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2784                 mode->width_mm = edid->width_cm * 10;
2785                 mode->height_mm = edid->height_cm * 10;
2786         }
2787
2788         mode->type = DRM_MODE_TYPE_DRIVER;
2789         drm_mode_set_name(mode);
2790
2791         return mode;
2792 }
2793
2794 static bool
2795 mode_in_hsync_range(const struct drm_display_mode *mode,
2796                     struct edid *edid, u8 *t)
2797 {
2798         int hsync, hmin, hmax;
2799
2800         hmin = t[7];
2801         if (edid->revision >= 4)
2802             hmin += ((t[4] & 0x04) ? 255 : 0);
2803         hmax = t[8];
2804         if (edid->revision >= 4)
2805             hmax += ((t[4] & 0x08) ? 255 : 0);
2806         hsync = drm_mode_hsync(mode);
2807
2808         return (hsync <= hmax && hsync >= hmin);
2809 }
2810
2811 static bool
2812 mode_in_vsync_range(const struct drm_display_mode *mode,
2813                     struct edid *edid, u8 *t)
2814 {
2815         int vsync, vmin, vmax;
2816
2817         vmin = t[5];
2818         if (edid->revision >= 4)
2819             vmin += ((t[4] & 0x01) ? 255 : 0);
2820         vmax = t[6];
2821         if (edid->revision >= 4)
2822             vmax += ((t[4] & 0x02) ? 255 : 0);
2823         vsync = drm_mode_vrefresh(mode);
2824
2825         return (vsync <= vmax && vsync >= vmin);
2826 }
2827
2828 static u32
2829 range_pixel_clock(struct edid *edid, u8 *t)
2830 {
2831         /* unspecified */
2832         if (t[9] == 0 || t[9] == 255)
2833                 return 0;
2834
2835         /* 1.4 with CVT support gives us real precision, yay */
2836         if (edid->revision >= 4 && t[10] == 0x04)
2837                 return (t[9] * 10000) - ((t[12] >> 2) * 250);
2838
2839         /* 1.3 is pathetic, so fuzz up a bit */
2840         return t[9] * 10000 + 5001;
2841 }
2842
2843 static bool
2844 mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2845               struct detailed_timing *timing)
2846 {
2847         u32 max_clock;
2848         u8 *t = (u8 *)timing;
2849
2850         if (!mode_in_hsync_range(mode, edid, t))
2851                 return false;
2852
2853         if (!mode_in_vsync_range(mode, edid, t))
2854                 return false;
2855
2856         if ((max_clock = range_pixel_clock(edid, t)))
2857                 if (mode->clock > max_clock)
2858                         return false;
2859
2860         /* 1.4 max horizontal check */
2861         if (edid->revision >= 4 && t[10] == 0x04)
2862                 if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2863                         return false;
2864
2865         if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2866                 return false;
2867
2868         return true;
2869 }
2870
2871 static bool valid_inferred_mode(const struct drm_connector *connector,
2872                                 const struct drm_display_mode *mode)
2873 {
2874         const struct drm_display_mode *m;
2875         bool ok = false;
2876
2877         list_for_each_entry(m, &connector->probed_modes, head) {
2878                 if (mode->hdisplay == m->hdisplay &&
2879                     mode->vdisplay == m->vdisplay &&
2880                     drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2881                         return false; /* duplicated */
2882                 if (mode->hdisplay <= m->hdisplay &&
2883                     mode->vdisplay <= m->vdisplay)
2884                         ok = true;
2885         }
2886         return ok;
2887 }
2888
2889 static int
2890 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2891                         struct detailed_timing *timing)
2892 {
2893         int i, modes = 0;
2894         struct drm_display_mode *newmode;
2895         struct drm_device *dev = connector->dev;
2896
2897         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2898                 if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2899                     valid_inferred_mode(connector, drm_dmt_modes + i)) {
2900                         newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2901                         if (newmode) {
2902                                 drm_mode_probed_add(connector, newmode);
2903                                 modes++;
2904                         }
2905                 }
2906         }
2907
2908         return modes;
2909 }
2910
2911 /* fix up 1366x768 mode from 1368x768;
2912  * GFT/CVT can't express 1366 width which isn't dividable by 8
2913  */
2914 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2915 {
2916         if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2917                 mode->hdisplay = 1366;
2918                 mode->hsync_start--;
2919                 mode->hsync_end--;
2920                 drm_mode_set_name(mode);
2921         }
2922 }
2923
2924 static int
2925 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2926                         struct detailed_timing *timing)
2927 {
2928         int i, modes = 0;
2929         struct drm_display_mode *newmode;
2930         struct drm_device *dev = connector->dev;
2931
2932         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2933                 const struct minimode *m = &extra_modes[i];
2934
2935                 newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2936                 if (!newmode)
2937                         return modes;
2938
2939                 drm_mode_fixup_1366x768(newmode);
2940                 if (!mode_in_range(newmode, edid, timing) ||
2941                     !valid_inferred_mode(connector, newmode)) {
2942                         drm_mode_destroy(dev, newmode);
2943                         continue;
2944                 }
2945
2946                 drm_mode_probed_add(connector, newmode);
2947                 modes++;
2948         }
2949
2950         return modes;
2951 }
2952
2953 static int
2954 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2955                         struct detailed_timing *timing)
2956 {
2957         int i, modes = 0;
2958         struct drm_display_mode *newmode;
2959         struct drm_device *dev = connector->dev;
2960         bool rb = drm_monitor_supports_rb(edid);
2961
2962         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2963                 const struct minimode *m = &extra_modes[i];
2964
2965                 newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2966                 if (!newmode)
2967                         return modes;
2968
2969                 drm_mode_fixup_1366x768(newmode);
2970                 if (!mode_in_range(newmode, edid, timing) ||
2971                     !valid_inferred_mode(connector, newmode)) {
2972                         drm_mode_destroy(dev, newmode);
2973                         continue;
2974                 }
2975
2976                 drm_mode_probed_add(connector, newmode);
2977                 modes++;
2978         }
2979
2980         return modes;
2981 }
2982
2983 static void
2984 do_inferred_modes(struct detailed_timing *timing, void *c)
2985 {
2986         struct detailed_mode_closure *closure = c;
2987         struct detailed_non_pixel *data = &timing->data.other_data;
2988         struct detailed_data_monitor_range *range = &data->data.range;
2989
2990         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
2991                 return;
2992
2993         closure->modes += drm_dmt_modes_for_range(closure->connector,
2994                                                   closure->edid,
2995                                                   timing);
2996
2997         if (!version_greater(closure->edid, 1, 1))
2998                 return; /* GTF not defined yet */
2999
3000         switch (range->flags) {
3001         case 0x02: /* secondary gtf, XXX could do more */
3002         case 0x00: /* default gtf */
3003                 closure->modes += drm_gtf_modes_for_range(closure->connector,
3004                                                           closure->edid,
3005                                                           timing);
3006                 break;
3007         case 0x04: /* cvt, only in 1.4+ */
3008                 if (!version_greater(closure->edid, 1, 3))
3009                         break;
3010
3011                 closure->modes += drm_cvt_modes_for_range(closure->connector,
3012                                                           closure->edid,
3013                                                           timing);
3014                 break;
3015         case 0x01: /* just the ranges, no formula */
3016         default:
3017                 break;
3018         }
3019 }
3020
3021 static int
3022 add_inferred_modes(struct drm_connector *connector, struct edid *edid)
3023 {
3024         struct detailed_mode_closure closure = {
3025                 .connector = connector,
3026                 .edid = edid,
3027         };
3028
3029         if (version_greater(edid, 1, 0))
3030                 drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
3031                                             &closure);
3032
3033         return closure.modes;
3034 }
3035
3036 static int
3037 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
3038 {
3039         int i, j, m, modes = 0;
3040         struct drm_display_mode *mode;
3041         u8 *est = ((u8 *)timing) + 6;
3042
3043         for (i = 0; i < 6; i++) {
3044                 for (j = 7; j >= 0; j--) {
3045                         m = (i * 8) + (7 - j);
3046                         if (m >= ARRAY_SIZE(est3_modes))
3047                                 break;
3048                         if (est[i] & (1 << j)) {
3049                                 mode = drm_mode_find_dmt(connector->dev,
3050                                                          est3_modes[m].w,
3051                                                          est3_modes[m].h,
3052                                                          est3_modes[m].r,
3053                                                          est3_modes[m].rb);
3054                                 if (mode) {
3055                                         drm_mode_probed_add(connector, mode);
3056                                         modes++;
3057                                 }
3058                         }
3059                 }
3060         }
3061
3062         return modes;
3063 }
3064
3065 static void
3066 do_established_modes(struct detailed_timing *timing, void *c)
3067 {
3068         struct detailed_mode_closure *closure = c;
3069
3070         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_EST_TIMINGS))
3071                 return;
3072
3073         closure->modes += drm_est3_modes(closure->connector, timing);
3074 }
3075
3076 /**
3077  * add_established_modes - get est. modes from EDID and add them
3078  * @connector: connector to add mode(s) to
3079  * @edid: EDID block to scan
3080  *
3081  * Each EDID block contains a bitmap of the supported "established modes" list
3082  * (defined above).  Tease them out and add them to the global modes list.
3083  */
3084 static int
3085 add_established_modes(struct drm_connector *connector, struct edid *edid)
3086 {
3087         struct drm_device *dev = connector->dev;
3088         unsigned long est_bits = edid->established_timings.t1 |
3089                 (edid->established_timings.t2 << 8) |
3090                 ((edid->established_timings.mfg_rsvd & 0x80) << 9);
3091         int i, modes = 0;
3092         struct detailed_mode_closure closure = {
3093                 .connector = connector,
3094                 .edid = edid,
3095         };
3096
3097         for (i = 0; i <= EDID_EST_TIMINGS; i++) {
3098                 if (est_bits & (1<<i)) {
3099                         struct drm_display_mode *newmode;
3100
3101                         newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
3102                         if (newmode) {
3103                                 drm_mode_probed_add(connector, newmode);
3104                                 modes++;
3105                         }
3106                 }
3107         }
3108
3109         if (version_greater(edid, 1, 0))
3110                     drm_for_each_detailed_block((u8 *)edid,
3111                                                 do_established_modes, &closure);
3112
3113         return modes + closure.modes;
3114 }
3115
3116 static void
3117 do_standard_modes(struct detailed_timing *timing, void *c)
3118 {
3119         struct detailed_mode_closure *closure = c;
3120         struct detailed_non_pixel *data = &timing->data.other_data;
3121         struct drm_connector *connector = closure->connector;
3122         struct edid *edid = closure->edid;
3123         int i;
3124
3125         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_STD_MODES))
3126                 return;
3127
3128         for (i = 0; i < 6; i++) {
3129                 struct std_timing *std = &data->data.timings[i];
3130                 struct drm_display_mode *newmode;
3131
3132                 newmode = drm_mode_std(connector, edid, std);
3133                 if (newmode) {
3134                         drm_mode_probed_add(connector, newmode);
3135                         closure->modes++;
3136                 }
3137         }
3138 }
3139
3140 /**
3141  * add_standard_modes - get std. modes from EDID and add them
3142  * @connector: connector to add mode(s) to
3143  * @edid: EDID block to scan
3144  *
3145  * Standard modes can be calculated using the appropriate standard (DMT,
3146  * GTF or CVT. Grab them from @edid and add them to the list.
3147  */
3148 static int
3149 add_standard_modes(struct drm_connector *connector, struct edid *edid)
3150 {
3151         int i, modes = 0;
3152         struct detailed_mode_closure closure = {
3153                 .connector = connector,
3154                 .edid = edid,
3155         };
3156
3157         for (i = 0; i < EDID_STD_TIMINGS; i++) {
3158                 struct drm_display_mode *newmode;
3159
3160                 newmode = drm_mode_std(connector, edid,
3161                                        &edid->standard_timings[i]);
3162                 if (newmode) {
3163                         drm_mode_probed_add(connector, newmode);
3164                         modes++;
3165                 }
3166         }
3167
3168         if (version_greater(edid, 1, 0))
3169                 drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
3170                                             &closure);
3171
3172         /* XXX should also look for standard codes in VTB blocks */
3173
3174         return modes + closure.modes;
3175 }
3176
3177 static int drm_cvt_modes(struct drm_connector *connector,
3178                          struct detailed_timing *timing)
3179 {
3180         int i, j, modes = 0;
3181         struct drm_display_mode *newmode;
3182         struct drm_device *dev = connector->dev;
3183         struct cvt_timing *cvt;
3184         const int rates[] = { 60, 85, 75, 60, 50 };
3185         const u8 empty[3] = { 0, 0, 0 };
3186
3187         for (i = 0; i < 4; i++) {
3188                 int width, height;
3189
3190                 cvt = &(timing->data.other_data.data.cvt[i]);
3191
3192                 if (!memcmp(cvt->code, empty, 3))
3193                         continue;
3194
3195                 height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3196                 switch (cvt->code[1] & 0x0c) {
3197                 /* default - because compiler doesn't see that we've enumerated all cases */
3198                 default:
3199                 case 0x00:
3200                         width = height * 4 / 3;
3201                         break;
3202                 case 0x04:
3203                         width = height * 16 / 9;
3204                         break;
3205                 case 0x08:
3206                         width = height * 16 / 10;
3207                         break;
3208                 case 0x0c:
3209                         width = height * 15 / 9;
3210                         break;
3211                 }
3212
3213                 for (j = 1; j < 5; j++) {
3214                         if (cvt->code[2] & (1 << j)) {
3215                                 newmode = drm_cvt_mode(dev, width, height,
3216                                                        rates[j], j == 0,
3217                                                        false, false);
3218                                 if (newmode) {
3219                                         drm_mode_probed_add(connector, newmode);
3220                                         modes++;
3221                                 }
3222                         }
3223                 }
3224         }
3225
3226         return modes;
3227 }
3228
3229 static void
3230 do_cvt_mode(struct detailed_timing *timing, void *c)
3231 {
3232         struct detailed_mode_closure *closure = c;
3233
3234         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_CVT_3BYTE))
3235                 return;
3236
3237         closure->modes += drm_cvt_modes(closure->connector, timing);
3238 }
3239
3240 static int
3241 add_cvt_modes(struct drm_connector *connector, struct edid *edid)
3242 {
3243         struct detailed_mode_closure closure = {
3244                 .connector = connector,
3245                 .edid = edid,
3246         };
3247
3248         if (version_greater(edid, 1, 2))
3249                 drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
3250
3251         /* XXX should also look for CVT codes in VTB blocks */
3252
3253         return closure.modes;
3254 }
3255
3256 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3257
3258 static void
3259 do_detailed_mode(struct detailed_timing *timing, void *c)
3260 {
3261         struct detailed_mode_closure *closure = c;
3262         struct drm_display_mode *newmode;
3263
3264         if (!is_detailed_timing_descriptor((const u8 *)timing))
3265                 return;
3266
3267         newmode = drm_mode_detailed(closure->connector->dev,
3268                                     closure->edid, timing,
3269                                     closure->quirks);
3270         if (!newmode)
3271                 return;
3272
3273         if (closure->preferred)
3274                 newmode->type |= DRM_MODE_TYPE_PREFERRED;
3275
3276         /*
3277          * Detailed modes are limited to 10kHz pixel clock resolution,
3278          * so fix up anything that looks like CEA/HDMI mode, but the clock
3279          * is just slightly off.
3280          */
3281         fixup_detailed_cea_mode_clock(newmode);
3282
3283         drm_mode_probed_add(closure->connector, newmode);
3284         closure->modes++;
3285         closure->preferred = false;
3286 }
3287
3288 /*
3289  * add_detailed_modes - Add modes from detailed timings
3290  * @connector: attached connector
3291  * @edid: EDID block to scan
3292  * @quirks: quirks to apply
3293  */
3294 static int
3295 add_detailed_modes(struct drm_connector *connector, struct edid *edid,
3296                    u32 quirks)
3297 {
3298         struct detailed_mode_closure closure = {
3299                 .connector = connector,
3300                 .edid = edid,
3301                 .preferred = true,
3302                 .quirks = quirks,
3303         };
3304
3305         if (closure.preferred && !version_greater(edid, 1, 3))
3306                 closure.preferred =
3307                     (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3308
3309         drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
3310
3311         return closure.modes;
3312 }
3313
3314 #define AUDIO_BLOCK     0x01
3315 #define VIDEO_BLOCK     0x02
3316 #define VENDOR_BLOCK    0x03
3317 #define SPEAKER_BLOCK   0x04
3318 #define HDR_STATIC_METADATA_BLOCK       0x6
3319 #define USE_EXTENDED_TAG 0x07
3320 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3321 #define EXT_VIDEO_DATA_BLOCK_420        0x0E
3322 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3323 #define EDID_BASIC_AUDIO        (1 << 6)
3324 #define EDID_CEA_YCRCB444       (1 << 5)
3325 #define EDID_CEA_YCRCB422       (1 << 4)
3326 #define EDID_CEA_VCDB_QS        (1 << 6)
3327
3328 /*
3329  * Search EDID for CEA extension block.
3330  */
3331 const u8 *drm_find_edid_extension(const struct edid *edid,
3332                                   int ext_id, int *ext_index)
3333 {
3334         const u8 *edid_ext = NULL;
3335         int i;
3336
3337         /* No EDID or EDID extensions */
3338         if (edid == NULL || edid->extensions == 0)
3339                 return NULL;
3340
3341         /* Find CEA extension */
3342         for (i = *ext_index; i < edid->extensions; i++) {
3343                 edid_ext = (const u8 *)edid + EDID_LENGTH * (i + 1);
3344                 if (edid_ext[0] == ext_id)
3345                         break;
3346         }
3347
3348         if (i >= edid->extensions)
3349                 return NULL;
3350
3351         *ext_index = i + 1;
3352
3353         return edid_ext;
3354 }
3355
3356 static const u8 *drm_find_cea_extension(const struct edid *edid)
3357 {
3358         const struct displayid_block *block;
3359         struct displayid_iter iter;
3360         const u8 *cea;
3361         int ext_index = 0;
3362
3363         /* Look for a top level CEA extension block */
3364         /* FIXME: make callers iterate through multiple CEA ext blocks? */
3365         cea = drm_find_edid_extension(edid, CEA_EXT, &ext_index);
3366         if (cea)
3367                 return cea;
3368
3369         /* CEA blocks can also be found embedded in a DisplayID block */
3370         displayid_iter_edid_begin(edid, &iter);
3371         displayid_iter_for_each(block, &iter) {
3372                 if (block->tag == DATA_BLOCK_CTA) {
3373                         cea = (const u8 *)block;
3374                         break;
3375                 }
3376         }
3377         displayid_iter_end(&iter);
3378
3379         return cea;
3380 }
3381
3382 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3383 {
3384         BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3385         BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3386
3387         if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3388                 return &edid_cea_modes_1[vic - 1];
3389         if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3390                 return &edid_cea_modes_193[vic - 193];
3391         return NULL;
3392 }
3393
3394 static u8 cea_num_vics(void)
3395 {
3396         return 193 + ARRAY_SIZE(edid_cea_modes_193);
3397 }
3398
3399 static u8 cea_next_vic(u8 vic)
3400 {
3401         if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3402                 vic = 193;
3403         return vic;
3404 }
3405
3406 /*
3407  * Calculate the alternate clock for the CEA mode
3408  * (60Hz vs. 59.94Hz etc.)
3409  */
3410 static unsigned int
3411 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3412 {
3413         unsigned int clock = cea_mode->clock;
3414
3415         if (drm_mode_vrefresh(cea_mode) % 6 != 0)
3416                 return clock;
3417
3418         /*
3419          * edid_cea_modes contains the 59.94Hz
3420          * variant for 240 and 480 line modes,
3421          * and the 60Hz variant otherwise.
3422          */
3423         if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3424                 clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3425         else
3426                 clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3427
3428         return clock;
3429 }
3430
3431 static bool
3432 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3433 {
3434         /*
3435          * For certain VICs the spec allows the vertical
3436          * front porch to vary by one or two lines.
3437          *
3438          * cea_modes[] stores the variant with the shortest
3439          * vertical front porch. We can adjust the mode to
3440          * get the other variants by simply increasing the
3441          * vertical front porch length.
3442          */
3443         BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3444                      cea_mode_for_vic(9)->vtotal != 262 ||
3445                      cea_mode_for_vic(12)->vtotal != 262 ||
3446                      cea_mode_for_vic(13)->vtotal != 262 ||
3447                      cea_mode_for_vic(23)->vtotal != 312 ||
3448                      cea_mode_for_vic(24)->vtotal != 312 ||
3449                      cea_mode_for_vic(27)->vtotal != 312 ||
3450                      cea_mode_for_vic(28)->vtotal != 312);
3451
3452         if (((vic == 8 || vic == 9 ||
3453               vic == 12 || vic == 13) && mode->vtotal < 263) ||
3454             ((vic == 23 || vic == 24 ||
3455               vic == 27 || vic == 28) && mode->vtotal < 314)) {
3456                 mode->vsync_start++;
3457                 mode->vsync_end++;
3458                 mode->vtotal++;
3459
3460                 return true;
3461         }
3462
3463         return false;
3464 }
3465
3466 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3467                                              unsigned int clock_tolerance)
3468 {
3469         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3470         u8 vic;
3471
3472         if (!to_match->clock)
3473                 return 0;
3474
3475         if (to_match->picture_aspect_ratio)
3476                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3477
3478         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3479                 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3480                 unsigned int clock1, clock2;
3481
3482                 /* Check both 60Hz and 59.94Hz */
3483                 clock1 = cea_mode.clock;
3484                 clock2 = cea_mode_alternate_clock(&cea_mode);
3485
3486                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3487                     abs(to_match->clock - clock2) > clock_tolerance)
3488                         continue;
3489
3490                 do {
3491                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3492                                 return vic;
3493                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3494         }
3495
3496         return 0;
3497 }
3498
3499 /**
3500  * drm_match_cea_mode - look for a CEA mode matching given mode
3501  * @to_match: display mode
3502  *
3503  * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3504  * mode.
3505  */
3506 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3507 {
3508         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3509         u8 vic;
3510
3511         if (!to_match->clock)
3512                 return 0;
3513
3514         if (to_match->picture_aspect_ratio)
3515                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3516
3517         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3518                 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3519                 unsigned int clock1, clock2;
3520
3521                 /* Check both 60Hz and 59.94Hz */
3522                 clock1 = cea_mode.clock;
3523                 clock2 = cea_mode_alternate_clock(&cea_mode);
3524
3525                 if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3526                     KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3527                         continue;
3528
3529                 do {
3530                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3531                                 return vic;
3532                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3533         }
3534
3535         return 0;
3536 }
3537 EXPORT_SYMBOL(drm_match_cea_mode);
3538
3539 static bool drm_valid_cea_vic(u8 vic)
3540 {
3541         return cea_mode_for_vic(vic) != NULL;
3542 }
3543
3544 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3545 {
3546         const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3547
3548         if (mode)
3549                 return mode->picture_aspect_ratio;
3550
3551         return HDMI_PICTURE_ASPECT_NONE;
3552 }
3553
3554 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3555 {
3556         return edid_4k_modes[video_code].picture_aspect_ratio;
3557 }
3558
3559 /*
3560  * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3561  * specific block).
3562  */
3563 static unsigned int
3564 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3565 {
3566         return cea_mode_alternate_clock(hdmi_mode);
3567 }
3568
3569 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3570                                               unsigned int clock_tolerance)
3571 {
3572         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3573         u8 vic;
3574
3575         if (!to_match->clock)
3576                 return 0;
3577
3578         if (to_match->picture_aspect_ratio)
3579                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3580
3581         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3582                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3583                 unsigned int clock1, clock2;
3584
3585                 /* Make sure to also match alternate clocks */
3586                 clock1 = hdmi_mode->clock;
3587                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3588
3589                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3590                     abs(to_match->clock - clock2) > clock_tolerance)
3591                         continue;
3592
3593                 if (drm_mode_match(to_match, hdmi_mode, match_flags))
3594                         return vic;
3595         }
3596
3597         return 0;
3598 }
3599
3600 /*
3601  * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3602  * @to_match: display mode
3603  *
3604  * An HDMI mode is one defined in the HDMI vendor specific block.
3605  *
3606  * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3607  */
3608 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3609 {
3610         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3611         u8 vic;
3612
3613         if (!to_match->clock)
3614                 return 0;
3615
3616         if (to_match->picture_aspect_ratio)
3617                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3618
3619         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3620                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3621                 unsigned int clock1, clock2;
3622
3623                 /* Make sure to also match alternate clocks */
3624                 clock1 = hdmi_mode->clock;
3625                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3626
3627                 if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3628                      KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3629                     drm_mode_match(to_match, hdmi_mode, match_flags))
3630                         return vic;
3631         }
3632         return 0;
3633 }
3634
3635 static bool drm_valid_hdmi_vic(u8 vic)
3636 {
3637         return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3638 }
3639
3640 static int
3641 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3642 {
3643         struct drm_device *dev = connector->dev;
3644         struct drm_display_mode *mode, *tmp;
3645         LIST_HEAD(list);
3646         int modes = 0;
3647
3648         /* Don't add CEA modes if the CEA extension block is missing */
3649         if (!drm_find_cea_extension(edid))
3650                 return 0;
3651
3652         /*
3653          * Go through all probed modes and create a new mode
3654          * with the alternate clock for certain CEA modes.
3655          */
3656         list_for_each_entry(mode, &connector->probed_modes, head) {
3657                 const struct drm_display_mode *cea_mode = NULL;
3658                 struct drm_display_mode *newmode;
3659                 u8 vic = drm_match_cea_mode(mode);
3660                 unsigned int clock1, clock2;
3661
3662                 if (drm_valid_cea_vic(vic)) {
3663                         cea_mode = cea_mode_for_vic(vic);
3664                         clock2 = cea_mode_alternate_clock(cea_mode);
3665                 } else {
3666                         vic = drm_match_hdmi_mode(mode);
3667                         if (drm_valid_hdmi_vic(vic)) {
3668                                 cea_mode = &edid_4k_modes[vic];
3669                                 clock2 = hdmi_mode_alternate_clock(cea_mode);
3670                         }
3671                 }
3672
3673                 if (!cea_mode)
3674                         continue;
3675
3676                 clock1 = cea_mode->clock;
3677
3678                 if (clock1 == clock2)
3679                         continue;
3680
3681                 if (mode->clock != clock1 && mode->clock != clock2)
3682                         continue;
3683
3684                 newmode = drm_mode_duplicate(dev, cea_mode);
3685                 if (!newmode)
3686                         continue;
3687
3688                 /* Carry over the stereo flags */
3689                 newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3690
3691                 /*
3692                  * The current mode could be either variant. Make
3693                  * sure to pick the "other" clock for the new mode.
3694                  */
3695                 if (mode->clock != clock1)
3696                         newmode->clock = clock1;
3697                 else
3698                         newmode->clock = clock2;
3699
3700                 list_add_tail(&newmode->head, &list);
3701         }
3702
3703         list_for_each_entry_safe(mode, tmp, &list, head) {
3704                 list_del(&mode->head);
3705                 drm_mode_probed_add(connector, mode);
3706                 modes++;
3707         }
3708
3709         return modes;
3710 }
3711
3712 static u8 svd_to_vic(u8 svd)
3713 {
3714         /* 0-6 bit vic, 7th bit native mode indicator */
3715         if ((svd >= 1 &&  svd <= 64) || (svd >= 129 && svd <= 192))
3716                 return svd & 127;
3717
3718         return svd;
3719 }
3720
3721 static struct drm_display_mode *
3722 drm_display_mode_from_vic_index(struct drm_connector *connector,
3723                                 const u8 *video_db, u8 video_len,
3724                                 u8 video_index)
3725 {
3726         struct drm_device *dev = connector->dev;
3727         struct drm_display_mode *newmode;
3728         u8 vic;
3729
3730         if (video_db == NULL || video_index >= video_len)
3731                 return NULL;
3732
3733         /* CEA modes are numbered 1..127 */
3734         vic = svd_to_vic(video_db[video_index]);
3735         if (!drm_valid_cea_vic(vic))
3736                 return NULL;
3737
3738         newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3739         if (!newmode)
3740                 return NULL;
3741
3742         return newmode;
3743 }
3744
3745 /*
3746  * do_y420vdb_modes - Parse YCBCR 420 only modes
3747  * @connector: connector corresponding to the HDMI sink
3748  * @svds: start of the data block of CEA YCBCR 420 VDB
3749  * @len: length of the CEA YCBCR 420 VDB
3750  *
3751  * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3752  * which contains modes which can be supported in YCBCR 420
3753  * output format only.
3754  */
3755 static int do_y420vdb_modes(struct drm_connector *connector,
3756                             const u8 *svds, u8 svds_len)
3757 {
3758         int modes = 0, i;
3759         struct drm_device *dev = connector->dev;
3760         struct drm_display_info *info = &connector->display_info;
3761         struct drm_hdmi_info *hdmi = &info->hdmi;
3762
3763         for (i = 0; i < svds_len; i++) {
3764                 u8 vic = svd_to_vic(svds[i]);
3765                 struct drm_display_mode *newmode;
3766
3767                 if (!drm_valid_cea_vic(vic))
3768                         continue;
3769
3770                 newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3771                 if (!newmode)
3772                         break;
3773                 bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3774                 drm_mode_probed_add(connector, newmode);
3775                 modes++;
3776         }
3777
3778         if (modes > 0)
3779                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3780         return modes;
3781 }
3782
3783 /*
3784  * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3785  * @connector: connector corresponding to the HDMI sink
3786  * @vic: CEA vic for the video mode to be added in the map
3787  *
3788  * Makes an entry for a videomode in the YCBCR 420 bitmap
3789  */
3790 static void
3791 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3792 {
3793         u8 vic = svd_to_vic(svd);
3794         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3795
3796         if (!drm_valid_cea_vic(vic))
3797                 return;
3798
3799         bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3800 }
3801
3802 /**
3803  * drm_display_mode_from_cea_vic() - return a mode for CEA VIC
3804  * @dev: DRM device
3805  * @video_code: CEA VIC of the mode
3806  *
3807  * Creates a new mode matching the specified CEA VIC.
3808  *
3809  * Returns: A new drm_display_mode on success or NULL on failure
3810  */
3811 struct drm_display_mode *
3812 drm_display_mode_from_cea_vic(struct drm_device *dev,
3813                               u8 video_code)
3814 {
3815         const struct drm_display_mode *cea_mode;
3816         struct drm_display_mode *newmode;
3817
3818         cea_mode = cea_mode_for_vic(video_code);
3819         if (!cea_mode)
3820                 return NULL;
3821
3822         newmode = drm_mode_duplicate(dev, cea_mode);
3823         if (!newmode)
3824                 return NULL;
3825
3826         return newmode;
3827 }
3828 EXPORT_SYMBOL(drm_display_mode_from_cea_vic);
3829
3830 static int
3831 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3832 {
3833         int i, modes = 0;
3834         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3835
3836         for (i = 0; i < len; i++) {
3837                 struct drm_display_mode *mode;
3838
3839                 mode = drm_display_mode_from_vic_index(connector, db, len, i);
3840                 if (mode) {
3841                         /*
3842                          * YCBCR420 capability block contains a bitmap which
3843                          * gives the index of CEA modes from CEA VDB, which
3844                          * can support YCBCR 420 sampling output also (apart
3845                          * from RGB/YCBCR444 etc).
3846                          * For example, if the bit 0 in bitmap is set,
3847                          * first mode in VDB can support YCBCR420 output too.
3848                          * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
3849                          */
3850                         if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
3851                                 drm_add_cmdb_modes(connector, db[i]);
3852
3853                         drm_mode_probed_add(connector, mode);
3854                         modes++;
3855                 }
3856         }
3857
3858         return modes;
3859 }
3860
3861 struct stereo_mandatory_mode {
3862         int width, height, vrefresh;
3863         unsigned int flags;
3864 };
3865
3866 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3867         { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3868         { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3869         { 1920, 1080, 50,
3870           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3871         { 1920, 1080, 60,
3872           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3873         { 1280, 720,  50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3874         { 1280, 720,  50, DRM_MODE_FLAG_3D_FRAME_PACKING },
3875         { 1280, 720,  60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3876         { 1280, 720,  60, DRM_MODE_FLAG_3D_FRAME_PACKING }
3877 };
3878
3879 static bool
3880 stereo_match_mandatory(const struct drm_display_mode *mode,
3881                        const struct stereo_mandatory_mode *stereo_mode)
3882 {
3883         unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
3884
3885         return mode->hdisplay == stereo_mode->width &&
3886                mode->vdisplay == stereo_mode->height &&
3887                interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
3888                drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
3889 }
3890
3891 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
3892 {
3893         struct drm_device *dev = connector->dev;
3894         const struct drm_display_mode *mode;
3895         struct list_head stereo_modes;
3896         int modes = 0, i;
3897
3898         INIT_LIST_HEAD(&stereo_modes);
3899
3900         list_for_each_entry(mode, &connector->probed_modes, head) {
3901                 for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
3902                         const struct stereo_mandatory_mode *mandatory;
3903                         struct drm_display_mode *new_mode;
3904
3905                         if (!stereo_match_mandatory(mode,
3906                                                     &stereo_mandatory_modes[i]))
3907                                 continue;
3908
3909                         mandatory = &stereo_mandatory_modes[i];
3910                         new_mode = drm_mode_duplicate(dev, mode);
3911                         if (!new_mode)
3912                                 continue;
3913
3914                         new_mode->flags |= mandatory->flags;
3915                         list_add_tail(&new_mode->head, &stereo_modes);
3916                         modes++;
3917                 }
3918         }
3919
3920         list_splice_tail(&stereo_modes, &connector->probed_modes);
3921
3922         return modes;
3923 }
3924
3925 static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
3926 {
3927         struct drm_device *dev = connector->dev;
3928         struct drm_display_mode *newmode;
3929
3930         if (!drm_valid_hdmi_vic(vic)) {
3931                 DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
3932                 return 0;
3933         }
3934
3935         newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
3936         if (!newmode)
3937                 return 0;
3938
3939         drm_mode_probed_add(connector, newmode);
3940
3941         return 1;
3942 }
3943
3944 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
3945                                const u8 *video_db, u8 video_len, u8 video_index)
3946 {
3947         struct drm_display_mode *newmode;
3948         int modes = 0;
3949
3950         if (structure & (1 << 0)) {
3951                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3952                                                           video_len,
3953                                                           video_index);
3954                 if (newmode) {
3955                         newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
3956                         drm_mode_probed_add(connector, newmode);
3957                         modes++;
3958                 }
3959         }
3960         if (structure & (1 << 6)) {
3961                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3962                                                           video_len,
3963                                                           video_index);
3964                 if (newmode) {
3965                         newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3966                         drm_mode_probed_add(connector, newmode);
3967                         modes++;
3968                 }
3969         }
3970         if (structure & (1 << 8)) {
3971                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3972                                                           video_len,
3973                                                           video_index);
3974                 if (newmode) {
3975                         newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3976                         drm_mode_probed_add(connector, newmode);
3977                         modes++;
3978                 }
3979         }
3980
3981         return modes;
3982 }
3983
3984 /*
3985  * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
3986  * @connector: connector corresponding to the HDMI sink
3987  * @db: start of the CEA vendor specific block
3988  * @len: length of the CEA block payload, ie. one can access up to db[len]
3989  *
3990  * Parses the HDMI VSDB looking for modes to add to @connector. This function
3991  * also adds the stereo 3d modes when applicable.
3992  */
3993 static int
3994 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
3995                    const u8 *video_db, u8 video_len)
3996 {
3997         struct drm_display_info *info = &connector->display_info;
3998         int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3999         u8 vic_len, hdmi_3d_len = 0;
4000         u16 mask;
4001         u16 structure_all;
4002
4003         if (len < 8)
4004                 goto out;
4005
4006         /* no HDMI_Video_Present */
4007         if (!(db[8] & (1 << 5)))
4008                 goto out;
4009
4010         /* Latency_Fields_Present */
4011         if (db[8] & (1 << 7))
4012                 offset += 2;
4013
4014         /* I_Latency_Fields_Present */
4015         if (db[8] & (1 << 6))
4016                 offset += 2;
4017
4018         /* the declared length is not long enough for the 2 first bytes
4019          * of additional video format capabilities */
4020         if (len < (8 + offset + 2))
4021                 goto out;
4022
4023         /* 3D_Present */
4024         offset++;
4025         if (db[8 + offset] & (1 << 7)) {
4026                 modes += add_hdmi_mandatory_stereo_modes(connector);
4027
4028                 /* 3D_Multi_present */
4029                 multi_present = (db[8 + offset] & 0x60) >> 5;
4030         }
4031
4032         offset++;
4033         vic_len = db[8 + offset] >> 5;
4034         hdmi_3d_len = db[8 + offset] & 0x1f;
4035
4036         for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
4037                 u8 vic;
4038
4039                 vic = db[9 + offset + i];
4040                 modes += add_hdmi_mode(connector, vic);
4041         }
4042         offset += 1 + vic_len;
4043
4044         if (multi_present == 1)
4045                 multi_len = 2;
4046         else if (multi_present == 2)
4047                 multi_len = 4;
4048         else
4049                 multi_len = 0;
4050
4051         if (len < (8 + offset + hdmi_3d_len - 1))
4052                 goto out;
4053
4054         if (hdmi_3d_len < multi_len)
4055                 goto out;
4056
4057         if (multi_present == 1 || multi_present == 2) {
4058                 /* 3D_Structure_ALL */
4059                 structure_all = (db[8 + offset] << 8) | db[9 + offset];
4060
4061                 /* check if 3D_MASK is present */
4062                 if (multi_present == 2)
4063                         mask = (db[10 + offset] << 8) | db[11 + offset];
4064                 else
4065                         mask = 0xffff;
4066
4067                 for (i = 0; i < 16; i++) {
4068                         if (mask & (1 << i))
4069                                 modes += add_3d_struct_modes(connector,
4070                                                 structure_all,
4071                                                 video_db,
4072                                                 video_len, i);
4073                 }
4074         }
4075
4076         offset += multi_len;
4077
4078         for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
4079                 int vic_index;
4080                 struct drm_display_mode *newmode = NULL;
4081                 unsigned int newflag = 0;
4082                 bool detail_present;
4083
4084                 detail_present = ((db[8 + offset + i] & 0x0f) > 7);
4085
4086                 if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
4087                         break;
4088
4089                 /* 2D_VIC_order_X */
4090                 vic_index = db[8 + offset + i] >> 4;
4091
4092                 /* 3D_Structure_X */
4093                 switch (db[8 + offset + i] & 0x0f) {
4094                 case 0:
4095                         newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
4096                         break;
4097                 case 6:
4098                         newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
4099                         break;
4100                 case 8:
4101                         /* 3D_Detail_X */
4102                         if ((db[9 + offset + i] >> 4) == 1)
4103                                 newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
4104                         break;
4105                 }
4106
4107                 if (newflag != 0) {
4108                         newmode = drm_display_mode_from_vic_index(connector,
4109                                                                   video_db,
4110                                                                   video_len,
4111                                                                   vic_index);
4112
4113                         if (newmode) {
4114                                 newmode->flags |= newflag;
4115                                 drm_mode_probed_add(connector, newmode);
4116                                 modes++;
4117                         }
4118                 }
4119
4120                 if (detail_present)
4121                         i++;
4122         }
4123
4124 out:
4125         if (modes > 0)
4126                 info->has_hdmi_infoframe = true;
4127         return modes;
4128 }
4129
4130 static int
4131 cea_db_payload_len(const u8 *db)
4132 {
4133         return db[0] & 0x1f;
4134 }
4135
4136 static int
4137 cea_db_extended_tag(const u8 *db)
4138 {
4139         return db[1];
4140 }
4141
4142 static int
4143 cea_db_tag(const u8 *db)
4144 {
4145         return db[0] >> 5;
4146 }
4147
4148 static int
4149 cea_revision(const u8 *cea)
4150 {
4151         /*
4152          * FIXME is this correct for the DispID variant?
4153          * The DispID spec doesn't really specify whether
4154          * this is the revision of the CEA extension or
4155          * the DispID CEA data block. And the only value
4156          * given as an example is 0.
4157          */
4158         return cea[1];
4159 }
4160
4161 static int
4162 cea_db_offsets(const u8 *cea, int *start, int *end)
4163 {
4164         /* DisplayID CTA extension blocks and top-level CEA EDID
4165          * block header definitions differ in the following bytes:
4166          *   1) Byte 2 of the header specifies length differently,
4167          *   2) Byte 3 is only present in the CEA top level block.
4168          *
4169          * The different definitions for byte 2 follow.
4170          *
4171          * DisplayID CTA extension block defines byte 2 as:
4172          *   Number of payload bytes
4173          *
4174          * CEA EDID block defines byte 2 as:
4175          *   Byte number (decimal) within this block where the 18-byte
4176          *   DTDs begin. If no non-DTD data is present in this extension
4177          *   block, the value should be set to 04h (the byte after next).
4178          *   If set to 00h, there are no DTDs present in this block and
4179          *   no non-DTD data.
4180          */
4181         if (cea[0] == DATA_BLOCK_CTA) {
4182                 /*
4183                  * for_each_displayid_db() has already verified
4184                  * that these stay within expected bounds.
4185                  */
4186                 *start = 3;
4187                 *end = *start + cea[2];
4188         } else if (cea[0] == CEA_EXT) {
4189                 /* Data block offset in CEA extension block */
4190                 *start = 4;
4191                 *end = cea[2];
4192                 if (*end == 0)
4193                         *end = 127;
4194                 if (*end < 4 || *end > 127)
4195                         return -ERANGE;
4196         } else {
4197                 return -EOPNOTSUPP;
4198         }
4199
4200         return 0;
4201 }
4202
4203 static bool cea_db_is_hdmi_vsdb(const u8 *db)
4204 {
4205         if (cea_db_tag(db) != VENDOR_BLOCK)
4206                 return false;
4207
4208         if (cea_db_payload_len(db) < 5)
4209                 return false;
4210
4211         return oui(db[3], db[2], db[1]) == HDMI_IEEE_OUI;
4212 }
4213
4214 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
4215 {
4216         if (cea_db_tag(db) != VENDOR_BLOCK)
4217                 return false;
4218
4219         if (cea_db_payload_len(db) < 7)
4220                 return false;
4221
4222         return oui(db[3], db[2], db[1]) == HDMI_FORUM_IEEE_OUI;
4223 }
4224
4225 static bool cea_db_is_vcdb(const u8 *db)
4226 {
4227         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4228                 return false;
4229
4230         if (cea_db_payload_len(db) != 2)
4231                 return false;
4232
4233         if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK)
4234                 return false;
4235
4236         return true;
4237 }
4238
4239 static bool cea_db_is_y420cmdb(const u8 *db)
4240 {
4241         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4242                 return false;
4243
4244         if (!cea_db_payload_len(db))
4245                 return false;
4246
4247         if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
4248                 return false;
4249
4250         return true;
4251 }
4252
4253 static bool cea_db_is_y420vdb(const u8 *db)
4254 {
4255         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4256                 return false;
4257
4258         if (!cea_db_payload_len(db))
4259                 return false;
4260
4261         if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
4262                 return false;
4263
4264         return true;
4265 }
4266
4267 #define for_each_cea_db(cea, i, start, end) \
4268         for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
4269
4270 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
4271                                       const u8 *db)
4272 {
4273         struct drm_display_info *info = &connector->display_info;
4274         struct drm_hdmi_info *hdmi = &info->hdmi;
4275         u8 map_len = cea_db_payload_len(db) - 1;
4276         u8 count;
4277         u64 map = 0;
4278
4279         if (map_len == 0) {
4280                 /* All CEA modes support ycbcr420 sampling also.*/
4281                 hdmi->y420_cmdb_map = U64_MAX;
4282                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4283                 return;
4284         }
4285
4286         /*
4287          * This map indicates which of the existing CEA block modes
4288          * from VDB can support YCBCR420 output too. So if bit=0 is
4289          * set, first mode from VDB can support YCBCR420 output too.
4290          * We will parse and keep this map, before parsing VDB itself
4291          * to avoid going through the same block again and again.
4292          *
4293          * Spec is not clear about max possible size of this block.
4294          * Clamping max bitmap block size at 8 bytes. Every byte can
4295          * address 8 CEA modes, in this way this map can address
4296          * 8*8 = first 64 SVDs.
4297          */
4298         if (WARN_ON_ONCE(map_len > 8))
4299                 map_len = 8;
4300
4301         for (count = 0; count < map_len; count++)
4302                 map |= (u64)db[2 + count] << (8 * count);
4303
4304         if (map)
4305                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4306
4307         hdmi->y420_cmdb_map = map;
4308 }
4309
4310 static int
4311 add_cea_modes(struct drm_connector *connector, struct edid *edid)
4312 {
4313         const u8 *cea = drm_find_cea_extension(edid);
4314         const u8 *db, *hdmi = NULL, *video = NULL;
4315         u8 dbl, hdmi_len, video_len = 0;
4316         int modes = 0;
4317
4318         if (cea && cea_revision(cea) >= 3) {
4319                 int i, start, end;
4320
4321                 if (cea_db_offsets(cea, &start, &end))
4322                         return 0;
4323
4324                 for_each_cea_db(cea, i, start, end) {
4325                         db = &cea[i];
4326                         dbl = cea_db_payload_len(db);
4327
4328                         if (cea_db_tag(db) == VIDEO_BLOCK) {
4329                                 video = db + 1;
4330                                 video_len = dbl;
4331                                 modes += do_cea_modes(connector, video, dbl);
4332                         } else if (cea_db_is_hdmi_vsdb(db)) {
4333                                 hdmi = db;
4334                                 hdmi_len = dbl;
4335                         } else if (cea_db_is_y420vdb(db)) {
4336                                 const u8 *vdb420 = &db[2];
4337
4338                                 /* Add 4:2:0(only) modes present in EDID */
4339                                 modes += do_y420vdb_modes(connector,
4340                                                           vdb420,
4341                                                           dbl - 1);
4342                         }
4343                 }
4344         }
4345
4346         /*
4347          * We parse the HDMI VSDB after having added the cea modes as we will
4348          * be patching their flags when the sink supports stereo 3D.
4349          */
4350         if (hdmi)
4351                 modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
4352                                             video_len);
4353
4354         return modes;
4355 }
4356
4357 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
4358 {
4359         const struct drm_display_mode *cea_mode;
4360         int clock1, clock2, clock;
4361         u8 vic;
4362         const char *type;
4363
4364         /*
4365          * allow 5kHz clock difference either way to account for
4366          * the 10kHz clock resolution limit of detailed timings.
4367          */
4368         vic = drm_match_cea_mode_clock_tolerance(mode, 5);
4369         if (drm_valid_cea_vic(vic)) {
4370                 type = "CEA";
4371                 cea_mode = cea_mode_for_vic(vic);
4372                 clock1 = cea_mode->clock;
4373                 clock2 = cea_mode_alternate_clock(cea_mode);
4374         } else {
4375                 vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
4376                 if (drm_valid_hdmi_vic(vic)) {
4377                         type = "HDMI";
4378                         cea_mode = &edid_4k_modes[vic];
4379                         clock1 = cea_mode->clock;
4380                         clock2 = hdmi_mode_alternate_clock(cea_mode);
4381                 } else {
4382                         return;
4383                 }
4384         }
4385
4386         /* pick whichever is closest */
4387         if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
4388                 clock = clock1;
4389         else
4390                 clock = clock2;
4391
4392         if (mode->clock == clock)
4393                 return;
4394
4395         DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
4396                   type, vic, mode->clock, clock);
4397         mode->clock = clock;
4398 }
4399
4400 static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db)
4401 {
4402         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4403                 return false;
4404
4405         if (db[1] != HDR_STATIC_METADATA_BLOCK)
4406                 return false;
4407
4408         if (cea_db_payload_len(db) < 3)
4409                 return false;
4410
4411         return true;
4412 }
4413
4414 static uint8_t eotf_supported(const u8 *edid_ext)
4415 {
4416         return edid_ext[2] &
4417                 (BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
4418                  BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
4419                  BIT(HDMI_EOTF_SMPTE_ST2084) |
4420                  BIT(HDMI_EOTF_BT_2100_HLG));
4421 }
4422
4423 static uint8_t hdr_metadata_type(const u8 *edid_ext)
4424 {
4425         return edid_ext[3] &
4426                 BIT(HDMI_STATIC_METADATA_TYPE1);
4427 }
4428
4429 static void
4430 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
4431 {
4432         u16 len;
4433
4434         len = cea_db_payload_len(db);
4435
4436         connector->hdr_sink_metadata.hdmi_type1.eotf =
4437                                                 eotf_supported(db);
4438         connector->hdr_sink_metadata.hdmi_type1.metadata_type =
4439                                                 hdr_metadata_type(db);
4440
4441         if (len >= 4)
4442                 connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
4443         if (len >= 5)
4444                 connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
4445         if (len >= 6)
4446                 connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
4447 }
4448
4449 static void
4450 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
4451 {
4452         u8 len = cea_db_payload_len(db);
4453
4454         if (len >= 6 && (db[6] & (1 << 7)))
4455                 connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
4456         if (len >= 8) {
4457                 connector->latency_present[0] = db[8] >> 7;
4458                 connector->latency_present[1] = (db[8] >> 6) & 1;
4459         }
4460         if (len >= 9)
4461                 connector->video_latency[0] = db[9];
4462         if (len >= 10)
4463                 connector->audio_latency[0] = db[10];
4464         if (len >= 11)
4465                 connector->video_latency[1] = db[11];
4466         if (len >= 12)
4467                 connector->audio_latency[1] = db[12];
4468
4469         DRM_DEBUG_KMS("HDMI: latency present %d %d, "
4470                       "video latency %d %d, "
4471                       "audio latency %d %d\n",
4472                       connector->latency_present[0],
4473                       connector->latency_present[1],
4474                       connector->video_latency[0],
4475                       connector->video_latency[1],
4476                       connector->audio_latency[0],
4477                       connector->audio_latency[1]);
4478 }
4479
4480 static void
4481 monitor_name(struct detailed_timing *t, void *data)
4482 {
4483         if (!is_display_descriptor((const u8 *)t, EDID_DETAIL_MONITOR_NAME))
4484                 return;
4485
4486         *(u8 **)data = t->data.other_data.data.str.str;
4487 }
4488
4489 static int get_monitor_name(struct edid *edid, char name[13])
4490 {
4491         char *edid_name = NULL;
4492         int mnl;
4493
4494         if (!edid || !name)
4495                 return 0;
4496
4497         drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
4498         for (mnl = 0; edid_name && mnl < 13; mnl++) {
4499                 if (edid_name[mnl] == 0x0a)
4500                         break;
4501
4502                 name[mnl] = edid_name[mnl];
4503         }
4504
4505         return mnl;
4506 }
4507
4508 /**
4509  * drm_edid_get_monitor_name - fetch the monitor name from the edid
4510  * @edid: monitor EDID information
4511  * @name: pointer to a character array to hold the name of the monitor
4512  * @bufsize: The size of the name buffer (should be at least 14 chars.)
4513  *
4514  */
4515 void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
4516 {
4517         int name_length;
4518         char buf[13];
4519
4520         if (bufsize <= 0)
4521                 return;
4522
4523         name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4524         memcpy(name, buf, name_length);
4525         name[name_length] = '\0';
4526 }
4527 EXPORT_SYMBOL(drm_edid_get_monitor_name);
4528
4529 static void clear_eld(struct drm_connector *connector)
4530 {
4531         memset(connector->eld, 0, sizeof(connector->eld));
4532
4533         connector->latency_present[0] = false;
4534         connector->latency_present[1] = false;
4535         connector->video_latency[0] = 0;
4536         connector->audio_latency[0] = 0;
4537         connector->video_latency[1] = 0;
4538         connector->audio_latency[1] = 0;
4539 }
4540
4541 /*
4542  * drm_edid_to_eld - build ELD from EDID
4543  * @connector: connector corresponding to the HDMI/DP sink
4544  * @edid: EDID to parse
4545  *
4546  * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4547  * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4548  */
4549 static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
4550 {
4551         uint8_t *eld = connector->eld;
4552         const u8 *cea;
4553         const u8 *db;
4554         int total_sad_count = 0;
4555         int mnl;
4556         int dbl;
4557
4558         clear_eld(connector);
4559
4560         if (!edid)
4561                 return;
4562
4563         cea = drm_find_cea_extension(edid);
4564         if (!cea) {
4565                 DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4566                 return;
4567         }
4568
4569         mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4570         DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4571
4572         eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4573         eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4574
4575         eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4576
4577         eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4578         eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4579         eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4580         eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4581
4582         if (cea_revision(cea) >= 3) {
4583                 int i, start, end;
4584                 int sad_count;
4585
4586                 if (cea_db_offsets(cea, &start, &end)) {
4587                         start = 0;
4588                         end = 0;
4589                 }
4590
4591                 for_each_cea_db(cea, i, start, end) {
4592                         db = &cea[i];
4593                         dbl = cea_db_payload_len(db);
4594
4595                         switch (cea_db_tag(db)) {
4596                         case AUDIO_BLOCK:
4597                                 /* Audio Data Block, contains SADs */
4598                                 sad_count = min(dbl / 3, 15 - total_sad_count);
4599                                 if (sad_count >= 1)
4600                                         memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4601                                                &db[1], sad_count * 3);
4602                                 total_sad_count += sad_count;
4603                                 break;
4604                         case SPEAKER_BLOCK:
4605                                 /* Speaker Allocation Data Block */
4606                                 if (dbl >= 1)
4607                                         eld[DRM_ELD_SPEAKER] = db[1];
4608                                 break;
4609                         case VENDOR_BLOCK:
4610                                 /* HDMI Vendor-Specific Data Block */
4611                                 if (cea_db_is_hdmi_vsdb(db))
4612                                         drm_parse_hdmi_vsdb_audio(connector, db);
4613                                 break;
4614                         default:
4615                                 break;
4616                         }
4617                 }
4618         }
4619         eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4620
4621         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4622             connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4623                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4624         else
4625                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4626
4627         eld[DRM_ELD_BASELINE_ELD_LEN] =
4628                 DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4629
4630         DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4631                       drm_eld_size(eld), total_sad_count);
4632 }
4633
4634 /**
4635  * drm_edid_to_sad - extracts SADs from EDID
4636  * @edid: EDID to parse
4637  * @sads: pointer that will be set to the extracted SADs
4638  *
4639  * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4640  *
4641  * Note: The returned pointer needs to be freed using kfree().
4642  *
4643  * Return: The number of found SADs or negative number on error.
4644  */
4645 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
4646 {
4647         int count = 0;
4648         int i, start, end, dbl;
4649         const u8 *cea;
4650
4651         cea = drm_find_cea_extension(edid);
4652         if (!cea) {
4653                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4654                 return 0;
4655         }
4656
4657         if (cea_revision(cea) < 3) {
4658                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4659                 return 0;
4660         }
4661
4662         if (cea_db_offsets(cea, &start, &end)) {
4663                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4664                 return -EPROTO;
4665         }
4666
4667         for_each_cea_db(cea, i, start, end) {
4668                 const u8 *db = &cea[i];
4669
4670                 if (cea_db_tag(db) == AUDIO_BLOCK) {
4671                         int j;
4672
4673                         dbl = cea_db_payload_len(db);
4674
4675                         count = dbl / 3; /* SAD is 3B */
4676                         *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4677                         if (!*sads)
4678                                 return -ENOMEM;
4679                         for (j = 0; j < count; j++) {
4680                                 const u8 *sad = &db[1 + j * 3];
4681
4682                                 (*sads)[j].format = (sad[0] & 0x78) >> 3;
4683                                 (*sads)[j].channels = sad[0] & 0x7;
4684                                 (*sads)[j].freq = sad[1] & 0x7F;
4685                                 (*sads)[j].byte2 = sad[2];
4686                         }
4687                         break;
4688                 }
4689         }
4690
4691         return count;
4692 }
4693 EXPORT_SYMBOL(drm_edid_to_sad);
4694
4695 /**
4696  * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4697  * @edid: EDID to parse
4698  * @sadb: pointer to the speaker block
4699  *
4700  * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4701  *
4702  * Note: The returned pointer needs to be freed using kfree().
4703  *
4704  * Return: The number of found Speaker Allocation Blocks or negative number on
4705  * error.
4706  */
4707 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
4708 {
4709         int count = 0;
4710         int i, start, end, dbl;
4711         const u8 *cea;
4712
4713         cea = drm_find_cea_extension(edid);
4714         if (!cea) {
4715                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4716                 return 0;
4717         }
4718
4719         if (cea_revision(cea) < 3) {
4720                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4721                 return 0;
4722         }
4723
4724         if (cea_db_offsets(cea, &start, &end)) {
4725                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4726                 return -EPROTO;
4727         }
4728
4729         for_each_cea_db(cea, i, start, end) {
4730                 const u8 *db = &cea[i];
4731
4732                 if (cea_db_tag(db) == SPEAKER_BLOCK) {
4733                         dbl = cea_db_payload_len(db);
4734
4735                         /* Speaker Allocation Data Block */
4736                         if (dbl == 3) {
4737                                 *sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4738                                 if (!*sadb)
4739                                         return -ENOMEM;
4740                                 count = dbl;
4741                                 break;
4742                         }
4743                 }
4744         }
4745
4746         return count;
4747 }
4748 EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4749
4750 /**
4751  * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4752  * @connector: connector associated with the HDMI/DP sink
4753  * @mode: the display mode
4754  *
4755  * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4756  * the sink doesn't support audio or video.
4757  */
4758 int drm_av_sync_delay(struct drm_connector *connector,
4759                       const struct drm_display_mode *mode)
4760 {
4761         int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4762         int a, v;
4763
4764         if (!connector->latency_present[0])
4765                 return 0;
4766         if (!connector->latency_present[1])
4767                 i = 0;
4768
4769         a = connector->audio_latency[i];
4770         v = connector->video_latency[i];
4771
4772         /*
4773          * HDMI/DP sink doesn't support audio or video?
4774          */
4775         if (a == 255 || v == 255)
4776                 return 0;
4777
4778         /*
4779          * Convert raw EDID values to millisecond.
4780          * Treat unknown latency as 0ms.
4781          */
4782         if (a)
4783                 a = min(2 * (a - 1), 500);
4784         if (v)
4785                 v = min(2 * (v - 1), 500);
4786
4787         return max(v - a, 0);
4788 }
4789 EXPORT_SYMBOL(drm_av_sync_delay);
4790
4791 /**
4792  * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4793  * @edid: monitor EDID information
4794  *
4795  * Parse the CEA extension according to CEA-861-B.
4796  *
4797  * Drivers that have added the modes parsed from EDID to drm_display_info
4798  * should use &drm_display_info.is_hdmi instead of calling this function.
4799  *
4800  * Return: True if the monitor is HDMI, false if not or unknown.
4801  */
4802 bool drm_detect_hdmi_monitor(struct edid *edid)
4803 {
4804         const u8 *edid_ext;
4805         int i;
4806         int start_offset, end_offset;
4807
4808         edid_ext = drm_find_cea_extension(edid);
4809         if (!edid_ext)
4810                 return false;
4811
4812         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4813                 return false;
4814
4815         /*
4816          * Because HDMI identifier is in Vendor Specific Block,
4817          * search it from all data blocks of CEA extension.
4818          */
4819         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4820                 if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4821                         return true;
4822         }
4823
4824         return false;
4825 }
4826 EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4827
4828 /**
4829  * drm_detect_monitor_audio - check monitor audio capability
4830  * @edid: EDID block to scan
4831  *
4832  * Monitor should have CEA extension block.
4833  * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
4834  * audio' only. If there is any audio extension block and supported
4835  * audio format, assume at least 'basic audio' support, even if 'basic
4836  * audio' is not defined in EDID.
4837  *
4838  * Return: True if the monitor supports audio, false otherwise.
4839  */
4840 bool drm_detect_monitor_audio(struct edid *edid)
4841 {
4842         const u8 *edid_ext;
4843         int i, j;
4844         bool has_audio = false;
4845         int start_offset, end_offset;
4846
4847         edid_ext = drm_find_cea_extension(edid);
4848         if (!edid_ext)
4849                 goto end;
4850
4851         has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0);
4852
4853         if (has_audio) {
4854                 DRM_DEBUG_KMS("Monitor has basic audio support\n");
4855                 goto end;
4856         }
4857
4858         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4859                 goto end;
4860
4861         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4862                 if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4863                         has_audio = true;
4864                         for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4865                                 DRM_DEBUG_KMS("CEA audio format %d\n",
4866                                               (edid_ext[i + j] >> 3) & 0xf);
4867                         goto end;
4868                 }
4869         }
4870 end:
4871         return has_audio;
4872 }
4873 EXPORT_SYMBOL(drm_detect_monitor_audio);
4874
4875
4876 /**
4877  * drm_default_rgb_quant_range - default RGB quantization range
4878  * @mode: display mode
4879  *
4880  * Determine the default RGB quantization range for the mode,
4881  * as specified in CEA-861.
4882  *
4883  * Return: The default RGB quantization range for the mode
4884  */
4885 enum hdmi_quantization_range
4886 drm_default_rgb_quant_range(const struct drm_display_mode *mode)
4887 {
4888         /* All CEA modes other than VIC 1 use limited quantization range. */
4889         return drm_match_cea_mode(mode) > 1 ?
4890                 HDMI_QUANTIZATION_RANGE_LIMITED :
4891                 HDMI_QUANTIZATION_RANGE_FULL;
4892 }
4893 EXPORT_SYMBOL(drm_default_rgb_quant_range);
4894
4895 static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
4896 {
4897         struct drm_display_info *info = &connector->display_info;
4898
4899         DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]);
4900
4901         if (db[2] & EDID_CEA_VCDB_QS)
4902                 info->rgb_quant_range_selectable = true;
4903 }
4904
4905 static
4906 void drm_get_max_frl_rate(int max_frl_rate, u8 *max_lanes, u8 *max_rate_per_lane)
4907 {
4908         switch (max_frl_rate) {
4909         case 1:
4910                 *max_lanes = 3;
4911                 *max_rate_per_lane = 3;
4912                 break;
4913         case 2:
4914                 *max_lanes = 3;
4915                 *max_rate_per_lane = 6;
4916                 break;
4917         case 3:
4918                 *max_lanes = 4;
4919                 *max_rate_per_lane = 6;
4920                 break;
4921         case 4:
4922                 *max_lanes = 4;
4923                 *max_rate_per_lane = 8;
4924                 break;
4925         case 5:
4926                 *max_lanes = 4;
4927                 *max_rate_per_lane = 10;
4928                 break;
4929         case 6:
4930                 *max_lanes = 4;
4931                 *max_rate_per_lane = 12;
4932                 break;
4933         case 0:
4934         default:
4935                 *max_lanes = 0;
4936                 *max_rate_per_lane = 0;
4937         }
4938 }
4939
4940 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4941                                                const u8 *db)
4942 {
4943         u8 dc_mask;
4944         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4945
4946         dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4947         hdmi->y420_dc_modes = dc_mask;
4948 }
4949
4950 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4951                                  const u8 *hf_vsdb)
4952 {
4953         struct drm_display_info *display = &connector->display_info;
4954         struct drm_hdmi_info *hdmi = &display->hdmi;
4955
4956         display->has_hdmi_infoframe = true;
4957
4958         if (hf_vsdb[6] & 0x80) {
4959                 hdmi->scdc.supported = true;
4960                 if (hf_vsdb[6] & 0x40)
4961                         hdmi->scdc.read_request = true;
4962         }
4963
4964         /*
4965          * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4966          * And as per the spec, three factors confirm this:
4967          * * Availability of a HF-VSDB block in EDID (check)
4968          * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4969          * * SCDC support available (let's check)
4970          * Lets check it out.
4971          */
4972
4973         if (hf_vsdb[5]) {
4974                 /* max clock is 5000 KHz times block value */
4975                 u32 max_tmds_clock = hf_vsdb[5] * 5000;
4976                 struct drm_scdc *scdc = &hdmi->scdc;
4977
4978                 if (max_tmds_clock > 340000) {
4979                         display->max_tmds_clock = max_tmds_clock;
4980                         DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4981                                 display->max_tmds_clock);
4982                 }
4983
4984                 if (scdc->supported) {
4985                         scdc->scrambling.supported = true;
4986
4987                         /* Few sinks support scrambling for clocks < 340M */
4988                         if ((hf_vsdb[6] & 0x8))
4989                                 scdc->scrambling.low_rates = true;
4990                 }
4991         }
4992
4993         if (hf_vsdb[7]) {
4994                 u8 max_frl_rate;
4995                 u8 dsc_max_frl_rate;
4996                 u8 dsc_max_slices;
4997                 struct drm_hdmi_dsc_cap *hdmi_dsc = &hdmi->dsc_cap;
4998
4999                 DRM_DEBUG_KMS("hdmi_21 sink detected. parsing edid\n");
5000                 max_frl_rate = (hf_vsdb[7] & DRM_EDID_MAX_FRL_RATE_MASK) >> 4;
5001                 drm_get_max_frl_rate(max_frl_rate, &hdmi->max_lanes,
5002                                      &hdmi->max_frl_rate_per_lane);
5003                 hdmi_dsc->v_1p2 = hf_vsdb[11] & DRM_EDID_DSC_1P2;
5004
5005                 if (hdmi_dsc->v_1p2) {
5006                         hdmi_dsc->native_420 = hf_vsdb[11] & DRM_EDID_DSC_NATIVE_420;
5007                         hdmi_dsc->all_bpp = hf_vsdb[11] & DRM_EDID_DSC_ALL_BPP;
5008
5009                         if (hf_vsdb[11] & DRM_EDID_DSC_16BPC)
5010                                 hdmi_dsc->bpc_supported = 16;
5011                         else if (hf_vsdb[11] & DRM_EDID_DSC_12BPC)
5012                                 hdmi_dsc->bpc_supported = 12;
5013                         else if (hf_vsdb[11] & DRM_EDID_DSC_10BPC)
5014                                 hdmi_dsc->bpc_supported = 10;
5015                         else
5016                                 hdmi_dsc->bpc_supported = 0;
5017
5018                         dsc_max_frl_rate = (hf_vsdb[12] & DRM_EDID_DSC_MAX_FRL_RATE_MASK) >> 4;
5019                         drm_get_max_frl_rate(dsc_max_frl_rate, &hdmi_dsc->max_lanes,
5020                                              &hdmi_dsc->max_frl_rate_per_lane);
5021                         hdmi_dsc->total_chunk_kbytes = hf_vsdb[13] & DRM_EDID_DSC_TOTAL_CHUNK_KBYTES;
5022
5023                         dsc_max_slices = hf_vsdb[12] & DRM_EDID_DSC_MAX_SLICES;
5024                         switch (dsc_max_slices) {
5025                         case 1:
5026                                 hdmi_dsc->max_slices = 1;
5027                                 hdmi_dsc->clk_per_slice = 340;
5028                                 break;
5029                         case 2:
5030                                 hdmi_dsc->max_slices = 2;
5031                                 hdmi_dsc->clk_per_slice = 340;
5032                                 break;
5033                         case 3:
5034                                 hdmi_dsc->max_slices = 4;
5035                                 hdmi_dsc->clk_per_slice = 340;
5036                                 break;
5037                         case 4:
5038                                 hdmi_dsc->max_slices = 8;
5039                                 hdmi_dsc->clk_per_slice = 340;
5040                                 break;
5041                         case 5:
5042                                 hdmi_dsc->max_slices = 8;
5043                                 hdmi_dsc->clk_per_slice = 400;
5044                                 break;
5045                         case 6:
5046                                 hdmi_dsc->max_slices = 12;
5047                                 hdmi_dsc->clk_per_slice = 400;
5048                                 break;
5049                         case 7:
5050                                 hdmi_dsc->max_slices = 16;
5051                                 hdmi_dsc->clk_per_slice = 400;
5052                                 break;
5053                         case 0:
5054                         default:
5055                                 hdmi_dsc->max_slices = 0;
5056                                 hdmi_dsc->clk_per_slice = 0;
5057                         }
5058                 }
5059         }
5060
5061         drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
5062 }
5063
5064 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
5065                                            const u8 *hdmi)
5066 {
5067         struct drm_display_info *info = &connector->display_info;
5068         unsigned int dc_bpc = 0;
5069
5070         /* HDMI supports at least 8 bpc */
5071         info->bpc = 8;
5072
5073         if (cea_db_payload_len(hdmi) < 6)
5074                 return;
5075
5076         if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
5077                 dc_bpc = 10;
5078                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
5079                 DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
5080                           connector->name);
5081         }
5082
5083         if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
5084                 dc_bpc = 12;
5085                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
5086                 DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
5087                           connector->name);
5088         }
5089
5090         if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
5091                 dc_bpc = 16;
5092                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
5093                 DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
5094                           connector->name);
5095         }
5096
5097         if (dc_bpc == 0) {
5098                 DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
5099                           connector->name);
5100                 return;
5101         }
5102
5103         DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
5104                   connector->name, dc_bpc);
5105         info->bpc = dc_bpc;
5106
5107         /*
5108          * Deep color support mandates RGB444 support for all video
5109          * modes and forbids YCRCB422 support for all video modes per
5110          * HDMI 1.3 spec.
5111          */
5112         info->color_formats = DRM_COLOR_FORMAT_RGB444;
5113
5114         /* YCRCB444 is optional according to spec. */
5115         if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
5116                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5117                 DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
5118                           connector->name);
5119         }
5120
5121         /*
5122          * Spec says that if any deep color mode is supported at all,
5123          * then deep color 36 bit must be supported.
5124          */
5125         if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
5126                 DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
5127                           connector->name);
5128         }
5129 }
5130
5131 static void
5132 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
5133 {
5134         struct drm_display_info *info = &connector->display_info;
5135         u8 len = cea_db_payload_len(db);
5136
5137         info->is_hdmi = true;
5138
5139         if (len >= 6)
5140                 info->dvi_dual = db[6] & 1;
5141         if (len >= 7)
5142                 info->max_tmds_clock = db[7] * 5000;
5143
5144         DRM_DEBUG_KMS("HDMI: DVI dual %d, "
5145                       "max TMDS clock %d kHz\n",
5146                       info->dvi_dual,
5147                       info->max_tmds_clock);
5148
5149         drm_parse_hdmi_deep_color_info(connector, db);
5150 }
5151
5152 static void drm_parse_cea_ext(struct drm_connector *connector,
5153                               const struct edid *edid)
5154 {
5155         struct drm_display_info *info = &connector->display_info;
5156         const u8 *edid_ext;
5157         int i, start, end;
5158
5159         edid_ext = drm_find_cea_extension(edid);
5160         if (!edid_ext)
5161                 return;
5162
5163         info->cea_rev = edid_ext[1];
5164
5165         /* The existence of a CEA block should imply RGB support */
5166         info->color_formats = DRM_COLOR_FORMAT_RGB444;
5167         if (edid_ext[3] & EDID_CEA_YCRCB444)
5168                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5169         if (edid_ext[3] & EDID_CEA_YCRCB422)
5170                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5171
5172         if (cea_db_offsets(edid_ext, &start, &end))
5173                 return;
5174
5175         for_each_cea_db(edid_ext, i, start, end) {
5176                 const u8 *db = &edid_ext[i];
5177
5178                 if (cea_db_is_hdmi_vsdb(db))
5179                         drm_parse_hdmi_vsdb_video(connector, db);
5180                 if (cea_db_is_hdmi_forum_vsdb(db))
5181                         drm_parse_hdmi_forum_vsdb(connector, db);
5182                 if (cea_db_is_y420cmdb(db))
5183                         drm_parse_y420cmdb_bitmap(connector, db);
5184                 if (cea_db_is_vcdb(db))
5185                         drm_parse_vcdb(connector, db);
5186                 if (cea_db_is_hdmi_hdr_metadata_block(db))
5187                         drm_parse_hdr_metadata_block(connector, db);
5188         }
5189 }
5190
5191 static
5192 void get_monitor_range(struct detailed_timing *timing,
5193                        void *info_monitor_range)
5194 {
5195         struct drm_monitor_range_info *monitor_range = info_monitor_range;
5196         const struct detailed_non_pixel *data = &timing->data.other_data;
5197         const struct detailed_data_monitor_range *range = &data->data.range;
5198
5199         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
5200                 return;
5201
5202         /*
5203          * Check for flag range limits only. If flag == 1 then
5204          * no additional timing information provided.
5205          * Default GTF, GTF Secondary curve and CVT are not
5206          * supported
5207          */
5208         if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
5209                 return;
5210
5211         monitor_range->min_vfreq = range->min_vfreq;
5212         monitor_range->max_vfreq = range->max_vfreq;
5213 }
5214
5215 static
5216 void drm_get_monitor_range(struct drm_connector *connector,
5217                            const struct edid *edid)
5218 {
5219         struct drm_display_info *info = &connector->display_info;
5220
5221         if (!version_greater(edid, 1, 1))
5222                 return;
5223
5224         drm_for_each_detailed_block((u8 *)edid, get_monitor_range,
5225                                     &info->monitor_range);
5226
5227         DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
5228                       info->monitor_range.min_vfreq,
5229                       info->monitor_range.max_vfreq);
5230 }
5231
5232 static void drm_parse_vesa_mso_data(struct drm_connector *connector,
5233                                     const struct displayid_block *block)
5234 {
5235         struct displayid_vesa_vendor_specific_block *vesa =
5236                 (struct displayid_vesa_vendor_specific_block *)block;
5237         struct drm_display_info *info = &connector->display_info;
5238
5239         if (block->num_bytes < 3) {
5240                 drm_dbg_kms(connector->dev, "Unexpected vendor block size %u\n",
5241                             block->num_bytes);
5242                 return;
5243         }
5244
5245         if (oui(vesa->oui[0], vesa->oui[1], vesa->oui[2]) != VESA_IEEE_OUI)
5246                 return;
5247
5248         if (sizeof(*vesa) != sizeof(*block) + block->num_bytes) {
5249                 drm_dbg_kms(connector->dev, "Unexpected VESA vendor block size\n");
5250                 return;
5251         }
5252
5253         switch (FIELD_GET(DISPLAYID_VESA_MSO_MODE, vesa->mso)) {
5254         default:
5255                 drm_dbg_kms(connector->dev, "Reserved MSO mode value\n");
5256                 fallthrough;
5257         case 0:
5258                 info->mso_stream_count = 0;
5259                 break;
5260         case 1:
5261                 info->mso_stream_count = 2; /* 2 or 4 links */
5262                 break;
5263         case 2:
5264                 info->mso_stream_count = 4; /* 4 links */
5265                 break;
5266         }
5267
5268         if (!info->mso_stream_count) {
5269                 info->mso_pixel_overlap = 0;
5270                 return;
5271         }
5272
5273         info->mso_pixel_overlap = FIELD_GET(DISPLAYID_VESA_MSO_OVERLAP, vesa->mso);
5274         if (info->mso_pixel_overlap > 8) {
5275                 drm_dbg_kms(connector->dev, "Reserved MSO pixel overlap value %u\n",
5276                             info->mso_pixel_overlap);
5277                 info->mso_pixel_overlap = 8;
5278         }
5279
5280         drm_dbg_kms(connector->dev, "MSO stream count %u, pixel overlap %u\n",
5281                     info->mso_stream_count, info->mso_pixel_overlap);
5282 }
5283
5284 static void drm_update_mso(struct drm_connector *connector, const struct edid *edid)
5285 {
5286         const struct displayid_block *block;
5287         struct displayid_iter iter;
5288
5289         displayid_iter_edid_begin(edid, &iter);
5290         displayid_iter_for_each(block, &iter) {
5291                 if (block->tag == DATA_BLOCK_2_VENDOR_SPECIFIC)
5292                         drm_parse_vesa_mso_data(connector, block);
5293         }
5294         displayid_iter_end(&iter);
5295 }
5296
5297 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
5298  * all of the values which would have been set from EDID
5299  */
5300 void
5301 drm_reset_display_info(struct drm_connector *connector)
5302 {
5303         struct drm_display_info *info = &connector->display_info;
5304
5305         info->width_mm = 0;
5306         info->height_mm = 0;
5307
5308         info->bpc = 0;
5309         info->color_formats = 0;
5310         info->cea_rev = 0;
5311         info->max_tmds_clock = 0;
5312         info->dvi_dual = false;
5313         info->is_hdmi = false;
5314         info->has_hdmi_infoframe = false;
5315         info->rgb_quant_range_selectable = false;
5316         memset(&info->hdmi, 0, sizeof(info->hdmi));
5317
5318         info->non_desktop = 0;
5319         memset(&info->monitor_range, 0, sizeof(info->monitor_range));
5320
5321         info->mso_stream_count = 0;
5322         info->mso_pixel_overlap = 0;
5323 }
5324
5325 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
5326 {
5327         struct drm_display_info *info = &connector->display_info;
5328
5329         u32 quirks = edid_get_quirks(edid);
5330
5331         drm_reset_display_info(connector);
5332
5333         info->width_mm = edid->width_cm * 10;
5334         info->height_mm = edid->height_cm * 10;
5335
5336         info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
5337
5338         drm_get_monitor_range(connector, edid);
5339
5340         DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
5341
5342         if (edid->revision < 3)
5343                 return quirks;
5344
5345         if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
5346                 return quirks;
5347
5348         info->color_formats |= DRM_COLOR_FORMAT_RGB444;
5349         drm_parse_cea_ext(connector, edid);
5350
5351         /*
5352          * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
5353          *
5354          * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
5355          * tells us to assume 8 bpc color depth if the EDID doesn't have
5356          * extensions which tell otherwise.
5357          */
5358         if (info->bpc == 0 && edid->revision == 3 &&
5359             edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
5360                 info->bpc = 8;
5361                 DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
5362                           connector->name, info->bpc);
5363         }
5364
5365         /* Only defined for 1.4 with digital displays */
5366         if (edid->revision < 4)
5367                 return quirks;
5368
5369         switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
5370         case DRM_EDID_DIGITAL_DEPTH_6:
5371                 info->bpc = 6;
5372                 break;
5373         case DRM_EDID_DIGITAL_DEPTH_8:
5374                 info->bpc = 8;
5375                 break;
5376         case DRM_EDID_DIGITAL_DEPTH_10:
5377                 info->bpc = 10;
5378                 break;
5379         case DRM_EDID_DIGITAL_DEPTH_12:
5380                 info->bpc = 12;
5381                 break;
5382         case DRM_EDID_DIGITAL_DEPTH_14:
5383                 info->bpc = 14;
5384                 break;
5385         case DRM_EDID_DIGITAL_DEPTH_16:
5386                 info->bpc = 16;
5387                 break;
5388         case DRM_EDID_DIGITAL_DEPTH_UNDEF:
5389         default:
5390                 info->bpc = 0;
5391                 break;
5392         }
5393
5394         DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
5395                           connector->name, info->bpc);
5396
5397         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
5398                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5399         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
5400                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5401
5402         drm_update_mso(connector, edid);
5403
5404         return quirks;
5405 }
5406
5407 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5408                                                             struct displayid_detailed_timings_1 *timings)
5409 {
5410         struct drm_display_mode *mode;
5411         unsigned pixel_clock = (timings->pixel_clock[0] |
5412                                 (timings->pixel_clock[1] << 8) |
5413                                 (timings->pixel_clock[2] << 16)) + 1;
5414         unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5415         unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5416         unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5417         unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5418         unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5419         unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5420         unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5421         unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5422         bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5423         bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5424
5425         mode = drm_mode_create(dev);
5426         if (!mode)
5427                 return NULL;
5428
5429         mode->clock = pixel_clock * 10;
5430         mode->hdisplay = hactive;
5431         mode->hsync_start = mode->hdisplay + hsync;
5432         mode->hsync_end = mode->hsync_start + hsync_width;
5433         mode->htotal = mode->hdisplay + hblank;
5434
5435         mode->vdisplay = vactive;
5436         mode->vsync_start = mode->vdisplay + vsync;
5437         mode->vsync_end = mode->vsync_start + vsync_width;
5438         mode->vtotal = mode->vdisplay + vblank;
5439
5440         mode->flags = 0;
5441         mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5442         mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5443         mode->type = DRM_MODE_TYPE_DRIVER;
5444
5445         if (timings->flags & 0x80)
5446                 mode->type |= DRM_MODE_TYPE_PREFERRED;
5447         drm_mode_set_name(mode);
5448
5449         return mode;
5450 }
5451
5452 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5453                                           const struct displayid_block *block)
5454 {
5455         struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5456         int i;
5457         int num_timings;
5458         struct drm_display_mode *newmode;
5459         int num_modes = 0;
5460         /* blocks must be multiple of 20 bytes length */
5461         if (block->num_bytes % 20)
5462                 return 0;
5463
5464         num_timings = block->num_bytes / 20;
5465         for (i = 0; i < num_timings; i++) {
5466                 struct displayid_detailed_timings_1 *timings = &det->timings[i];
5467
5468                 newmode = drm_mode_displayid_detailed(connector->dev, timings);
5469                 if (!newmode)
5470                         continue;
5471
5472                 drm_mode_probed_add(connector, newmode);
5473                 num_modes++;
5474         }
5475         return num_modes;
5476 }
5477
5478 static int add_displayid_detailed_modes(struct drm_connector *connector,
5479                                         struct edid *edid)
5480 {
5481         const struct displayid_block *block;
5482         struct displayid_iter iter;
5483         int num_modes = 0;
5484
5485         displayid_iter_edid_begin(edid, &iter);
5486         displayid_iter_for_each(block, &iter) {
5487                 if (block->tag == DATA_BLOCK_TYPE_1_DETAILED_TIMING)
5488                         num_modes += add_displayid_detailed_1_modes(connector, block);
5489         }
5490         displayid_iter_end(&iter);
5491
5492         return num_modes;
5493 }
5494
5495 /**
5496  * drm_add_edid_modes - add modes from EDID data, if available
5497  * @connector: connector we're probing
5498  * @edid: EDID data
5499  *
5500  * Add the specified modes to the connector's mode list. Also fills out the
5501  * &drm_display_info structure and ELD in @connector with any information which
5502  * can be derived from the edid.
5503  *
5504  * Return: The number of modes added or 0 if we couldn't find any.
5505  */
5506 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5507 {
5508         int num_modes = 0;
5509         u32 quirks;
5510
5511         if (edid == NULL) {
5512                 clear_eld(connector);
5513                 return 0;
5514         }
5515         if (!drm_edid_is_valid(edid)) {
5516                 clear_eld(connector);
5517                 drm_warn(connector->dev, "%s: EDID invalid.\n",
5518                          connector->name);
5519                 return 0;
5520         }
5521
5522         drm_edid_to_eld(connector, edid);
5523
5524         /*
5525          * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5526          * To avoid multiple parsing of same block, lets parse that map
5527          * from sink info, before parsing CEA modes.
5528          */
5529         quirks = drm_add_display_info(connector, edid);
5530
5531         /*
5532          * EDID spec says modes should be preferred in this order:
5533          * - preferred detailed mode
5534          * - other detailed modes from base block
5535          * - detailed modes from extension blocks
5536          * - CVT 3-byte code modes
5537          * - standard timing codes
5538          * - established timing codes
5539          * - modes inferred from GTF or CVT range information
5540          *
5541          * We get this pretty much right.
5542          *
5543          * XXX order for additional mode types in extension blocks?
5544          */
5545         num_modes += add_detailed_modes(connector, edid, quirks);
5546         num_modes += add_cvt_modes(connector, edid);
5547         num_modes += add_standard_modes(connector, edid);
5548         num_modes += add_established_modes(connector, edid);
5549         num_modes += add_cea_modes(connector, edid);
5550         num_modes += add_alternate_cea_modes(connector, edid);
5551         num_modes += add_displayid_detailed_modes(connector, edid);
5552         if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5553                 num_modes += add_inferred_modes(connector, edid);
5554
5555         if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5556                 edid_fixup_preferred(connector, quirks);
5557
5558         if (quirks & EDID_QUIRK_FORCE_6BPC)
5559                 connector->display_info.bpc = 6;
5560
5561         if (quirks & EDID_QUIRK_FORCE_8BPC)
5562                 connector->display_info.bpc = 8;
5563
5564         if (quirks & EDID_QUIRK_FORCE_10BPC)
5565                 connector->display_info.bpc = 10;
5566
5567         if (quirks & EDID_QUIRK_FORCE_12BPC)
5568                 connector->display_info.bpc = 12;
5569
5570         return num_modes;
5571 }
5572 EXPORT_SYMBOL(drm_add_edid_modes);
5573
5574 /**
5575  * drm_add_modes_noedid - add modes for the connectors without EDID
5576  * @connector: connector we're probing
5577  * @hdisplay: the horizontal display limit
5578  * @vdisplay: the vertical display limit
5579  *
5580  * Add the specified modes to the connector's mode list. Only when the
5581  * hdisplay/vdisplay is not beyond the given limit, it will be added.
5582  *
5583  * Return: The number of modes added or 0 if we couldn't find any.
5584  */
5585 int drm_add_modes_noedid(struct drm_connector *connector,
5586                         int hdisplay, int vdisplay)
5587 {
5588         int i, count, num_modes = 0;
5589         struct drm_display_mode *mode;
5590         struct drm_device *dev = connector->dev;
5591
5592         count = ARRAY_SIZE(drm_dmt_modes);
5593         if (hdisplay < 0)
5594                 hdisplay = 0;
5595         if (vdisplay < 0)
5596                 vdisplay = 0;
5597
5598         for (i = 0; i < count; i++) {
5599                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5600
5601                 if (hdisplay && vdisplay) {
5602                         /*
5603                          * Only when two are valid, they will be used to check
5604                          * whether the mode should be added to the mode list of
5605                          * the connector.
5606                          */
5607                         if (ptr->hdisplay > hdisplay ||
5608                                         ptr->vdisplay > vdisplay)
5609                                 continue;
5610                 }
5611                 if (drm_mode_vrefresh(ptr) > 61)
5612                         continue;
5613                 mode = drm_mode_duplicate(dev, ptr);
5614                 if (mode) {
5615                         drm_mode_probed_add(connector, mode);
5616                         num_modes++;
5617                 }
5618         }
5619         return num_modes;
5620 }
5621 EXPORT_SYMBOL(drm_add_modes_noedid);
5622
5623 /**
5624  * drm_set_preferred_mode - Sets the preferred mode of a connector
5625  * @connector: connector whose mode list should be processed
5626  * @hpref: horizontal resolution of preferred mode
5627  * @vpref: vertical resolution of preferred mode
5628  *
5629  * Marks a mode as preferred if it matches the resolution specified by @hpref
5630  * and @vpref.
5631  */
5632 void drm_set_preferred_mode(struct drm_connector *connector,
5633                            int hpref, int vpref)
5634 {
5635         struct drm_display_mode *mode;
5636
5637         list_for_each_entry(mode, &connector->probed_modes, head) {
5638                 if (mode->hdisplay == hpref &&
5639                     mode->vdisplay == vpref)
5640                         mode->type |= DRM_MODE_TYPE_PREFERRED;
5641         }
5642 }
5643 EXPORT_SYMBOL(drm_set_preferred_mode);
5644
5645 static bool is_hdmi2_sink(const struct drm_connector *connector)
5646 {
5647         /*
5648          * FIXME: sil-sii8620 doesn't have a connector around when
5649          * we need one, so we have to be prepared for a NULL connector.
5650          */
5651         if (!connector)
5652                 return true;
5653
5654         return connector->display_info.hdmi.scdc.supported ||
5655                 connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420;
5656 }
5657
5658 static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
5659 {
5660         return sink_eotf & BIT(output_eotf);
5661 }
5662
5663 /**
5664  * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
5665  *                                         HDR metadata from userspace
5666  * @frame: HDMI DRM infoframe
5667  * @conn_state: Connector state containing HDR metadata
5668  *
5669  * Return: 0 on success or a negative error code on failure.
5670  */
5671 int
5672 drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
5673                                     const struct drm_connector_state *conn_state)
5674 {
5675         struct drm_connector *connector;
5676         struct hdr_output_metadata *hdr_metadata;
5677         int err;
5678
5679         if (!frame || !conn_state)
5680                 return -EINVAL;
5681
5682         connector = conn_state->connector;
5683
5684         if (!conn_state->hdr_output_metadata)
5685                 return -EINVAL;
5686
5687         hdr_metadata = conn_state->hdr_output_metadata->data;
5688
5689         if (!hdr_metadata || !connector)
5690                 return -EINVAL;
5691
5692         /* Sink EOTF is Bit map while infoframe is absolute values */
5693         if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
5694             connector->hdr_sink_metadata.hdmi_type1.eotf)) {
5695                 DRM_DEBUG_KMS("EOTF Not Supported\n");
5696                 return -EINVAL;
5697         }
5698
5699         err = hdmi_drm_infoframe_init(frame);
5700         if (err < 0)
5701                 return err;
5702
5703         frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
5704         frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
5705
5706         BUILD_BUG_ON(sizeof(frame->display_primaries) !=
5707                      sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
5708         BUILD_BUG_ON(sizeof(frame->white_point) !=
5709                      sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
5710
5711         memcpy(&frame->display_primaries,
5712                &hdr_metadata->hdmi_metadata_type1.display_primaries,
5713                sizeof(frame->display_primaries));
5714
5715         memcpy(&frame->white_point,
5716                &hdr_metadata->hdmi_metadata_type1.white_point,
5717                sizeof(frame->white_point));
5718
5719         frame->max_display_mastering_luminance =
5720                 hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
5721         frame->min_display_mastering_luminance =
5722                 hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
5723         frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
5724         frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
5725
5726         return 0;
5727 }
5728 EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
5729
5730 static u8 drm_mode_hdmi_vic(const struct drm_connector *connector,
5731                             const struct drm_display_mode *mode)
5732 {
5733         bool has_hdmi_infoframe = connector ?
5734                 connector->display_info.has_hdmi_infoframe : false;
5735
5736         if (!has_hdmi_infoframe)
5737                 return 0;
5738
5739         /* No HDMI VIC when signalling 3D video format */
5740         if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5741                 return 0;
5742
5743         return drm_match_hdmi_mode(mode);
5744 }
5745
5746 static u8 drm_mode_cea_vic(const struct drm_connector *connector,
5747                            const struct drm_display_mode *mode)
5748 {
5749         u8 vic;
5750
5751         /*
5752          * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5753          * we should send its VIC in vendor infoframes, else send the
5754          * VIC in AVI infoframes. Lets check if this mode is present in
5755          * HDMI 1.4b 4K modes
5756          */
5757         if (drm_mode_hdmi_vic(connector, mode))
5758                 return 0;
5759
5760         vic = drm_match_cea_mode(mode);
5761
5762         /*
5763          * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5764          * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5765          * have to make sure we dont break HDMI 1.4 sinks.
5766          */
5767         if (!is_hdmi2_sink(connector) && vic > 64)
5768                 return 0;
5769
5770         return vic;
5771 }
5772
5773 /**
5774  * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5775  *                                              data from a DRM display mode
5776  * @frame: HDMI AVI infoframe
5777  * @connector: the connector
5778  * @mode: DRM display mode
5779  *
5780  * Return: 0 on success or a negative error code on failure.
5781  */
5782 int
5783 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5784                                          const struct drm_connector *connector,
5785                                          const struct drm_display_mode *mode)
5786 {
5787         enum hdmi_picture_aspect picture_aspect;
5788         u8 vic, hdmi_vic;
5789
5790         if (!frame || !mode)
5791                 return -EINVAL;
5792
5793         hdmi_avi_infoframe_init(frame);
5794
5795         if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5796                 frame->pixel_repeat = 1;
5797
5798         vic = drm_mode_cea_vic(connector, mode);
5799         hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5800
5801         frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5802
5803         /*
5804          * As some drivers don't support atomic, we can't use connector state.
5805          * So just initialize the frame with default values, just the same way
5806          * as it's done with other properties here.
5807          */
5808         frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5809         frame->itc = 0;
5810
5811         /*
5812          * Populate picture aspect ratio from either
5813          * user input (if specified) or from the CEA/HDMI mode lists.
5814          */
5815         picture_aspect = mode->picture_aspect_ratio;
5816         if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5817                 if (vic)
5818                         picture_aspect = drm_get_cea_aspect_ratio(vic);
5819                 else if (hdmi_vic)
5820                         picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5821         }
5822
5823         /*
5824          * The infoframe can't convey anything but none, 4:3
5825          * and 16:9, so if the user has asked for anything else
5826          * we can only satisfy it by specifying the right VIC.
5827          */
5828         if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5829                 if (vic) {
5830                         if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5831                                 return -EINVAL;
5832                 } else if (hdmi_vic) {
5833                         if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5834                                 return -EINVAL;
5835                 } else {
5836                         return -EINVAL;
5837                 }
5838
5839                 picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5840         }
5841
5842         frame->video_code = vic;
5843         frame->picture_aspect = picture_aspect;
5844         frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5845         frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5846
5847         return 0;
5848 }
5849 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5850
5851 /* HDMI Colorspace Spec Definitions */
5852 #define FULL_COLORIMETRY_MASK           0x1FF
5853 #define NORMAL_COLORIMETRY_MASK         0x3
5854 #define EXTENDED_COLORIMETRY_MASK       0x7
5855 #define EXTENDED_ACE_COLORIMETRY_MASK   0xF
5856
5857 #define C(x) ((x) << 0)
5858 #define EC(x) ((x) << 2)
5859 #define ACE(x) ((x) << 5)
5860
5861 #define HDMI_COLORIMETRY_NO_DATA                0x0
5862 #define HDMI_COLORIMETRY_SMPTE_170M_YCC         (C(1) | EC(0) | ACE(0))
5863 #define HDMI_COLORIMETRY_BT709_YCC              (C(2) | EC(0) | ACE(0))
5864 #define HDMI_COLORIMETRY_XVYCC_601              (C(3) | EC(0) | ACE(0))
5865 #define HDMI_COLORIMETRY_XVYCC_709              (C(3) | EC(1) | ACE(0))
5866 #define HDMI_COLORIMETRY_SYCC_601               (C(3) | EC(2) | ACE(0))
5867 #define HDMI_COLORIMETRY_OPYCC_601              (C(3) | EC(3) | ACE(0))
5868 #define HDMI_COLORIMETRY_OPRGB                  (C(3) | EC(4) | ACE(0))
5869 #define HDMI_COLORIMETRY_BT2020_CYCC            (C(3) | EC(5) | ACE(0))
5870 #define HDMI_COLORIMETRY_BT2020_RGB             (C(3) | EC(6) | ACE(0))
5871 #define HDMI_COLORIMETRY_BT2020_YCC             (C(3) | EC(6) | ACE(0))
5872 #define HDMI_COLORIMETRY_DCI_P3_RGB_D65         (C(3) | EC(7) | ACE(0))
5873 #define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER     (C(3) | EC(7) | ACE(1))
5874
5875 static const u32 hdmi_colorimetry_val[] = {
5876         [DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
5877         [DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
5878         [DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
5879         [DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
5880         [DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
5881         [DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
5882         [DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
5883         [DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
5884         [DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
5885         [DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
5886         [DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
5887 };
5888
5889 #undef C
5890 #undef EC
5891 #undef ACE
5892
5893 /**
5894  * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe
5895  *                                       colorspace information
5896  * @frame: HDMI AVI infoframe
5897  * @conn_state: connector state
5898  */
5899 void
5900 drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
5901                                   const struct drm_connector_state *conn_state)
5902 {
5903         u32 colorimetry_val;
5904         u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
5905
5906         if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
5907                 colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
5908         else
5909                 colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
5910
5911         frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
5912         /*
5913          * ToDo: Extend it for ACE formats as well. Modify the infoframe
5914          * structure and extend it in drivers/video/hdmi
5915          */
5916         frame->extended_colorimetry = (colorimetry_val >> 2) &
5917                                         EXTENDED_COLORIMETRY_MASK;
5918 }
5919 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
5920
5921 /**
5922  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5923  *                                        quantization range information
5924  * @frame: HDMI AVI infoframe
5925  * @connector: the connector
5926  * @mode: DRM display mode
5927  * @rgb_quant_range: RGB quantization range (Q)
5928  */
5929 void
5930 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5931                                    const struct drm_connector *connector,
5932                                    const struct drm_display_mode *mode,
5933                                    enum hdmi_quantization_range rgb_quant_range)
5934 {
5935         const struct drm_display_info *info = &connector->display_info;
5936
5937         /*
5938          * CEA-861:
5939          * "A Source shall not send a non-zero Q value that does not correspond
5940          *  to the default RGB Quantization Range for the transmitted Picture
5941          *  unless the Sink indicates support for the Q bit in a Video
5942          *  Capabilities Data Block."
5943          *
5944          * HDMI 2.0 recommends sending non-zero Q when it does match the
5945          * default RGB quantization range for the mode, even when QS=0.
5946          */
5947         if (info->rgb_quant_range_selectable ||
5948             rgb_quant_range == drm_default_rgb_quant_range(mode))
5949                 frame->quantization_range = rgb_quant_range;
5950         else
5951                 frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5952
5953         /*
5954          * CEA-861-F:
5955          * "When transmitting any RGB colorimetry, the Source should set the
5956          *  YQ-field to match the RGB Quantization Range being transmitted
5957          *  (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5958          *  set YQ=1) and the Sink shall ignore the YQ-field."
5959          *
5960          * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5961          * by non-zero YQ when receiving RGB. There doesn't seem to be any
5962          * good way to tell which version of CEA-861 the sink supports, so
5963          * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5964          * on on CEA-861-F.
5965          */
5966         if (!is_hdmi2_sink(connector) ||
5967             rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5968                 frame->ycc_quantization_range =
5969                         HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5970         else
5971                 frame->ycc_quantization_range =
5972                         HDMI_YCC_QUANTIZATION_RANGE_FULL;
5973 }
5974 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5975
5976 /**
5977  * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
5978  *                                 bar information
5979  * @frame: HDMI AVI infoframe
5980  * @conn_state: connector state
5981  */
5982 void
5983 drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
5984                             const struct drm_connector_state *conn_state)
5985 {
5986         frame->right_bar = conn_state->tv.margins.right;
5987         frame->left_bar = conn_state->tv.margins.left;
5988         frame->top_bar = conn_state->tv.margins.top;
5989         frame->bottom_bar = conn_state->tv.margins.bottom;
5990 }
5991 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
5992
5993 static enum hdmi_3d_structure
5994 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5995 {
5996         u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5997
5998         switch (layout) {
5999         case DRM_MODE_FLAG_3D_FRAME_PACKING:
6000                 return HDMI_3D_STRUCTURE_FRAME_PACKING;
6001         case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
6002                 return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
6003         case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
6004                 return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
6005         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
6006                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
6007         case DRM_MODE_FLAG_3D_L_DEPTH:
6008                 return HDMI_3D_STRUCTURE_L_DEPTH;
6009         case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
6010                 return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
6011         case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
6012                 return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
6013         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
6014                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
6015         default:
6016                 return HDMI_3D_STRUCTURE_INVALID;
6017         }
6018 }
6019
6020 /**
6021  * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
6022  * data from a DRM display mode
6023  * @frame: HDMI vendor infoframe
6024  * @connector: the connector
6025  * @mode: DRM display mode
6026  *
6027  * Note that there's is a need to send HDMI vendor infoframes only when using a
6028  * 4k or stereoscopic 3D mode. So when giving any other mode as input this
6029  * function will return -EINVAL, error that can be safely ignored.
6030  *
6031  * Return: 0 on success or a negative error code on failure.
6032  */
6033 int
6034 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
6035                                             const struct drm_connector *connector,
6036                                             const struct drm_display_mode *mode)
6037 {
6038         /*
6039          * FIXME: sil-sii8620 doesn't have a connector around when
6040          * we need one, so we have to be prepared for a NULL connector.
6041          */
6042         bool has_hdmi_infoframe = connector ?
6043                 connector->display_info.has_hdmi_infoframe : false;
6044         int err;
6045
6046         if (!frame || !mode)
6047                 return -EINVAL;
6048
6049         if (!has_hdmi_infoframe)
6050                 return -EINVAL;
6051
6052         err = hdmi_vendor_infoframe_init(frame);
6053         if (err < 0)
6054                 return err;
6055
6056         /*
6057          * Even if it's not absolutely necessary to send the infoframe
6058          * (ie.vic==0 and s3d_struct==0) we will still send it if we
6059          * know that the sink can handle it. This is based on a
6060          * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
6061          * have trouble realizing that they should switch from 3D to 2D
6062          * mode if the source simply stops sending the infoframe when
6063          * it wants to switch from 3D to 2D.
6064          */
6065         frame->vic = drm_mode_hdmi_vic(connector, mode);
6066         frame->s3d_struct = s3d_structure_from_display_mode(mode);
6067
6068         return 0;
6069 }
6070 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
6071
6072 static void drm_parse_tiled_block(struct drm_connector *connector,
6073                                   const struct displayid_block *block)
6074 {
6075         const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
6076         u16 w, h;
6077         u8 tile_v_loc, tile_h_loc;
6078         u8 num_v_tile, num_h_tile;
6079         struct drm_tile_group *tg;
6080
6081         w = tile->tile_size[0] | tile->tile_size[1] << 8;
6082         h = tile->tile_size[2] | tile->tile_size[3] << 8;
6083
6084         num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
6085         num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
6086         tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
6087         tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
6088
6089         connector->has_tile = true;
6090         if (tile->tile_cap & 0x80)
6091                 connector->tile_is_single_monitor = true;
6092
6093         connector->num_h_tile = num_h_tile + 1;
6094         connector->num_v_tile = num_v_tile + 1;
6095         connector->tile_h_loc = tile_h_loc;
6096         connector->tile_v_loc = tile_v_loc;
6097         connector->tile_h_size = w + 1;
6098         connector->tile_v_size = h + 1;
6099
6100         DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
6101         DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
6102         DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
6103                       num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
6104         DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
6105
6106         tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
6107         if (!tg)
6108                 tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
6109         if (!tg)
6110                 return;
6111
6112         if (connector->tile_group != tg) {
6113                 /* if we haven't got a pointer,
6114                    take the reference, drop ref to old tile group */
6115                 if (connector->tile_group)
6116                         drm_mode_put_tile_group(connector->dev, connector->tile_group);
6117                 connector->tile_group = tg;
6118         } else {
6119                 /* if same tile group, then release the ref we just took. */
6120                 drm_mode_put_tile_group(connector->dev, tg);
6121         }
6122 }
6123
6124 void drm_update_tile_info(struct drm_connector *connector,
6125                           const struct edid *edid)
6126 {
6127         const struct displayid_block *block;
6128         struct displayid_iter iter;
6129
6130         connector->has_tile = false;
6131
6132         displayid_iter_edid_begin(edid, &iter);
6133         displayid_iter_for_each(block, &iter) {
6134                 if (block->tag == DATA_BLOCK_TILED_DISPLAY)
6135                         drm_parse_tiled_block(connector, block);
6136         }
6137         displayid_iter_end(&iter);
6138
6139         if (!connector->has_tile && connector->tile_group) {
6140                 drm_mode_put_tile_group(connector->dev, connector->tile_group);
6141                 connector->tile_group = NULL;
6142         }
6143 }