57cac677269dd5c8eecf3fa2562a2921b063bfd5
[linux-2.6-microblaze.git] / drivers / gpu / drm / drm_edid.c
1 /*
2  * Copyright (c) 2006 Luc Verhaegen (quirks list)
3  * Copyright (c) 2007-2008 Intel Corporation
4  *   Jesse Barnes <jesse.barnes@intel.com>
5  * Copyright 2010 Red Hat, Inc.
6  *
7  * DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from
8  * FB layer.
9  *   Copyright (C) 2006 Dennis Munsie <dmunsie@cecropia.com>
10  *
11  * Permission is hereby granted, free of charge, to any person obtaining a
12  * copy of this software and associated documentation files (the "Software"),
13  * to deal in the Software without restriction, including without limitation
14  * the rights to use, copy, modify, merge, publish, distribute, sub license,
15  * and/or sell copies of the Software, and to permit persons to whom the
16  * Software is furnished to do so, subject to the following conditions:
17  *
18  * The above copyright notice and this permission notice (including the
19  * next paragraph) shall be included in all copies or substantial portions
20  * of the Software.
21  *
22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
25  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28  * DEALINGS IN THE SOFTWARE.
29  */
30
31 #include <linux/hdmi.h>
32 #include <linux/i2c.h>
33 #include <linux/kernel.h>
34 #include <linux/module.h>
35 #include <linux/slab.h>
36 #include <linux/vga_switcheroo.h>
37
38 #include <drm/drm_displayid.h>
39 #include <drm/drm_drv.h>
40 #include <drm/drm_edid.h>
41 #include <drm/drm_encoder.h>
42 #include <drm/drm_print.h>
43 #include <drm/drm_scdc_helper.h>
44
45 #include "drm_crtc_internal.h"
46
47 #define version_greater(edid, maj, min) \
48         (((edid)->version > (maj)) || \
49          ((edid)->version == (maj) && (edid)->revision > (min)))
50
51 #define EDID_EST_TIMINGS 16
52 #define EDID_STD_TIMINGS 8
53 #define EDID_DETAILED_TIMINGS 4
54
55 /*
56  * EDID blocks out in the wild have a variety of bugs, try to collect
57  * them here (note that userspace may work around broken monitors first,
58  * but fixes should make their way here so that the kernel "just works"
59  * on as many displays as possible).
60  */
61
62 /* First detailed mode wrong, use largest 60Hz mode */
63 #define EDID_QUIRK_PREFER_LARGE_60              (1 << 0)
64 /* Reported 135MHz pixel clock is too high, needs adjustment */
65 #define EDID_QUIRK_135_CLOCK_TOO_HIGH           (1 << 1)
66 /* Prefer the largest mode at 75 Hz */
67 #define EDID_QUIRK_PREFER_LARGE_75              (1 << 2)
68 /* Detail timing is in cm not mm */
69 #define EDID_QUIRK_DETAILED_IN_CM               (1 << 3)
70 /* Detailed timing descriptors have bogus size values, so just take the
71  * maximum size and use that.
72  */
73 #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE    (1 << 4)
74 /* use +hsync +vsync for detailed mode */
75 #define EDID_QUIRK_DETAILED_SYNC_PP             (1 << 6)
76 /* Force reduced-blanking timings for detailed modes */
77 #define EDID_QUIRK_FORCE_REDUCED_BLANKING       (1 << 7)
78 /* Force 8bpc */
79 #define EDID_QUIRK_FORCE_8BPC                   (1 << 8)
80 /* Force 12bpc */
81 #define EDID_QUIRK_FORCE_12BPC                  (1 << 9)
82 /* Force 6bpc */
83 #define EDID_QUIRK_FORCE_6BPC                   (1 << 10)
84 /* Force 10bpc */
85 #define EDID_QUIRK_FORCE_10BPC                  (1 << 11)
86 /* Non desktop display (i.e. HMD) */
87 #define EDID_QUIRK_NON_DESKTOP                  (1 << 12)
88
89 struct detailed_mode_closure {
90         struct drm_connector *connector;
91         struct edid *edid;
92         bool preferred;
93         u32 quirks;
94         int modes;
95 };
96
97 #define LEVEL_DMT       0
98 #define LEVEL_GTF       1
99 #define LEVEL_GTF2      2
100 #define LEVEL_CVT       3
101
102 static const struct edid_quirk {
103         char vendor[4];
104         int product_id;
105         u32 quirks;
106 } edid_quirk_list[] = {
107         /* Acer AL1706 */
108         { "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 },
109         /* Acer F51 */
110         { "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 },
111
112         /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
113         { "AEO", 0, EDID_QUIRK_FORCE_6BPC },
114
115         /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
116         { "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC },
117
118         /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
119         { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },
120
121         /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
122         { "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC },
123
124         /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
125         { "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC },
126
127         /* Belinea 10 15 55 */
128         { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 },
129         { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },
130
131         /* Envision Peripherals, Inc. EN-7100e */
132         { "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH },
133         /* Envision EN2028 */
134         { "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 },
135
136         /* Funai Electronics PM36B */
137         { "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 |
138           EDID_QUIRK_DETAILED_IN_CM },
139
140         /* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
141         { "LGD", 764, EDID_QUIRK_FORCE_10BPC },
142
143         /* LG Philips LCD LP154W01-A5 */
144         { "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
145         { "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
146
147         /* Samsung SyncMaster 205BW.  Note: irony */
148         { "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP },
149         /* Samsung SyncMaster 22[5-6]BW */
150         { "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 },
151         { "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 },
152
153         /* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
154         { "SNY", 0x2541, EDID_QUIRK_FORCE_12BPC },
155
156         /* ViewSonic VA2026w */
157         { "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING },
158
159         /* Medion MD 30217 PG */
160         { "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 },
161
162         /* Lenovo G50 */
163         { "SDC", 18514, EDID_QUIRK_FORCE_6BPC },
164
165         /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
166         { "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC },
167
168         /* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
169         { "ETR", 13896, EDID_QUIRK_FORCE_8BPC },
170
171         /* Valve Index Headset */
172         { "VLV", 0x91a8, EDID_QUIRK_NON_DESKTOP },
173         { "VLV", 0x91b0, EDID_QUIRK_NON_DESKTOP },
174         { "VLV", 0x91b1, EDID_QUIRK_NON_DESKTOP },
175         { "VLV", 0x91b2, EDID_QUIRK_NON_DESKTOP },
176         { "VLV", 0x91b3, EDID_QUIRK_NON_DESKTOP },
177         { "VLV", 0x91b4, EDID_QUIRK_NON_DESKTOP },
178         { "VLV", 0x91b5, EDID_QUIRK_NON_DESKTOP },
179         { "VLV", 0x91b6, EDID_QUIRK_NON_DESKTOP },
180         { "VLV", 0x91b7, EDID_QUIRK_NON_DESKTOP },
181         { "VLV", 0x91b8, EDID_QUIRK_NON_DESKTOP },
182         { "VLV", 0x91b9, EDID_QUIRK_NON_DESKTOP },
183         { "VLV", 0x91ba, EDID_QUIRK_NON_DESKTOP },
184         { "VLV", 0x91bb, EDID_QUIRK_NON_DESKTOP },
185         { "VLV", 0x91bc, EDID_QUIRK_NON_DESKTOP },
186         { "VLV", 0x91bd, EDID_QUIRK_NON_DESKTOP },
187         { "VLV", 0x91be, EDID_QUIRK_NON_DESKTOP },
188         { "VLV", 0x91bf, EDID_QUIRK_NON_DESKTOP },
189
190         /* HTC Vive and Vive Pro VR Headsets */
191         { "HVR", 0xaa01, EDID_QUIRK_NON_DESKTOP },
192         { "HVR", 0xaa02, EDID_QUIRK_NON_DESKTOP },
193
194         /* Oculus Rift DK1, DK2, and CV1 VR Headsets */
195         { "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP },
196         { "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP },
197         { "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP },
198
199         /* Windows Mixed Reality Headsets */
200         { "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP },
201         { "HPN", 0x3515, EDID_QUIRK_NON_DESKTOP },
202         { "LEN", 0x0408, EDID_QUIRK_NON_DESKTOP },
203         { "LEN", 0xb800, EDID_QUIRK_NON_DESKTOP },
204         { "FUJ", 0x1970, EDID_QUIRK_NON_DESKTOP },
205         { "DEL", 0x7fce, EDID_QUIRK_NON_DESKTOP },
206         { "SEC", 0x144a, EDID_QUIRK_NON_DESKTOP },
207         { "AUS", 0xc102, EDID_QUIRK_NON_DESKTOP },
208
209         /* Sony PlayStation VR Headset */
210         { "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP },
211
212         /* Sensics VR Headsets */
213         { "SEN", 0x1019, EDID_QUIRK_NON_DESKTOP },
214
215         /* OSVR HDK and HDK2 VR Headsets */
216         { "SVR", 0x1019, EDID_QUIRK_NON_DESKTOP },
217 };
218
219 /*
220  * Autogenerated from the DMT spec.
221  * This table is copied from xfree86/modes/xf86EdidModes.c.
222  */
223 static const struct drm_display_mode drm_dmt_modes[] = {
224         /* 0x01 - 640x350@85Hz */
225         { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
226                    736, 832, 0, 350, 382, 385, 445, 0,
227                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
228         /* 0x02 - 640x400@85Hz */
229         { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
230                    736, 832, 0, 400, 401, 404, 445, 0,
231                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
232         /* 0x03 - 720x400@85Hz */
233         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
234                    828, 936, 0, 400, 401, 404, 446, 0,
235                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
236         /* 0x04 - 640x480@60Hz */
237         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
238                    752, 800, 0, 480, 490, 492, 525, 0,
239                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
240         /* 0x05 - 640x480@72Hz */
241         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
242                    704, 832, 0, 480, 489, 492, 520, 0,
243                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
244         /* 0x06 - 640x480@75Hz */
245         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
246                    720, 840, 0, 480, 481, 484, 500, 0,
247                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
248         /* 0x07 - 640x480@85Hz */
249         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
250                    752, 832, 0, 480, 481, 484, 509, 0,
251                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
252         /* 0x08 - 800x600@56Hz */
253         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
254                    896, 1024, 0, 600, 601, 603, 625, 0,
255                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
256         /* 0x09 - 800x600@60Hz */
257         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
258                    968, 1056, 0, 600, 601, 605, 628, 0,
259                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
260         /* 0x0a - 800x600@72Hz */
261         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
262                    976, 1040, 0, 600, 637, 643, 666, 0,
263                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
264         /* 0x0b - 800x600@75Hz */
265         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
266                    896, 1056, 0, 600, 601, 604, 625, 0,
267                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
268         /* 0x0c - 800x600@85Hz */
269         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
270                    896, 1048, 0, 600, 601, 604, 631, 0,
271                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
272         /* 0x0d - 800x600@120Hz RB */
273         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
274                    880, 960, 0, 600, 603, 607, 636, 0,
275                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
276         /* 0x0e - 848x480@60Hz */
277         { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
278                    976, 1088, 0, 480, 486, 494, 517, 0,
279                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
280         /* 0x0f - 1024x768@43Hz, interlace */
281         { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
282                    1208, 1264, 0, 768, 768, 776, 817, 0,
283                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
284                    DRM_MODE_FLAG_INTERLACE) },
285         /* 0x10 - 1024x768@60Hz */
286         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
287                    1184, 1344, 0, 768, 771, 777, 806, 0,
288                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
289         /* 0x11 - 1024x768@70Hz */
290         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
291                    1184, 1328, 0, 768, 771, 777, 806, 0,
292                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
293         /* 0x12 - 1024x768@75Hz */
294         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
295                    1136, 1312, 0, 768, 769, 772, 800, 0,
296                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
297         /* 0x13 - 1024x768@85Hz */
298         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
299                    1168, 1376, 0, 768, 769, 772, 808, 0,
300                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
301         /* 0x14 - 1024x768@120Hz RB */
302         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
303                    1104, 1184, 0, 768, 771, 775, 813, 0,
304                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
305         /* 0x15 - 1152x864@75Hz */
306         { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
307                    1344, 1600, 0, 864, 865, 868, 900, 0,
308                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
309         /* 0x55 - 1280x720@60Hz */
310         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
311                    1430, 1650, 0, 720, 725, 730, 750, 0,
312                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
313         /* 0x16 - 1280x768@60Hz RB */
314         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
315                    1360, 1440, 0, 768, 771, 778, 790, 0,
316                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
317         /* 0x17 - 1280x768@60Hz */
318         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
319                    1472, 1664, 0, 768, 771, 778, 798, 0,
320                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
321         /* 0x18 - 1280x768@75Hz */
322         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
323                    1488, 1696, 0, 768, 771, 778, 805, 0,
324                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
325         /* 0x19 - 1280x768@85Hz */
326         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
327                    1496, 1712, 0, 768, 771, 778, 809, 0,
328                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
329         /* 0x1a - 1280x768@120Hz RB */
330         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
331                    1360, 1440, 0, 768, 771, 778, 813, 0,
332                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
333         /* 0x1b - 1280x800@60Hz RB */
334         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
335                    1360, 1440, 0, 800, 803, 809, 823, 0,
336                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
337         /* 0x1c - 1280x800@60Hz */
338         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
339                    1480, 1680, 0, 800, 803, 809, 831, 0,
340                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
341         /* 0x1d - 1280x800@75Hz */
342         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
343                    1488, 1696, 0, 800, 803, 809, 838, 0,
344                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
345         /* 0x1e - 1280x800@85Hz */
346         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
347                    1496, 1712, 0, 800, 803, 809, 843, 0,
348                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
349         /* 0x1f - 1280x800@120Hz RB */
350         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
351                    1360, 1440, 0, 800, 803, 809, 847, 0,
352                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
353         /* 0x20 - 1280x960@60Hz */
354         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
355                    1488, 1800, 0, 960, 961, 964, 1000, 0,
356                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
357         /* 0x21 - 1280x960@85Hz */
358         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
359                    1504, 1728, 0, 960, 961, 964, 1011, 0,
360                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
361         /* 0x22 - 1280x960@120Hz RB */
362         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
363                    1360, 1440, 0, 960, 963, 967, 1017, 0,
364                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
365         /* 0x23 - 1280x1024@60Hz */
366         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
367                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
368                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
369         /* 0x24 - 1280x1024@75Hz */
370         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
371                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
372                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
373         /* 0x25 - 1280x1024@85Hz */
374         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
375                    1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
376                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
377         /* 0x26 - 1280x1024@120Hz RB */
378         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
379                    1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
380                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
381         /* 0x27 - 1360x768@60Hz */
382         { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
383                    1536, 1792, 0, 768, 771, 777, 795, 0,
384                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
385         /* 0x28 - 1360x768@120Hz RB */
386         { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
387                    1440, 1520, 0, 768, 771, 776, 813, 0,
388                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
389         /* 0x51 - 1366x768@60Hz */
390         { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
391                    1579, 1792, 0, 768, 771, 774, 798, 0,
392                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
393         /* 0x56 - 1366x768@60Hz */
394         { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
395                    1436, 1500, 0, 768, 769, 772, 800, 0,
396                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
397         /* 0x29 - 1400x1050@60Hz RB */
398         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
399                    1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
400                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
401         /* 0x2a - 1400x1050@60Hz */
402         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
403                    1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
404                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
405         /* 0x2b - 1400x1050@75Hz */
406         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
407                    1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
408                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
409         /* 0x2c - 1400x1050@85Hz */
410         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
411                    1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
412                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
413         /* 0x2d - 1400x1050@120Hz RB */
414         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
415                    1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
416                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
417         /* 0x2e - 1440x900@60Hz RB */
418         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
419                    1520, 1600, 0, 900, 903, 909, 926, 0,
420                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
421         /* 0x2f - 1440x900@60Hz */
422         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
423                    1672, 1904, 0, 900, 903, 909, 934, 0,
424                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
425         /* 0x30 - 1440x900@75Hz */
426         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
427                    1688, 1936, 0, 900, 903, 909, 942, 0,
428                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
429         /* 0x31 - 1440x900@85Hz */
430         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
431                    1696, 1952, 0, 900, 903, 909, 948, 0,
432                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
433         /* 0x32 - 1440x900@120Hz RB */
434         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
435                    1520, 1600, 0, 900, 903, 909, 953, 0,
436                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
437         /* 0x53 - 1600x900@60Hz */
438         { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
439                    1704, 1800, 0, 900, 901, 904, 1000, 0,
440                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
441         /* 0x33 - 1600x1200@60Hz */
442         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
443                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
444                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
445         /* 0x34 - 1600x1200@65Hz */
446         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
447                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
448                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
449         /* 0x35 - 1600x1200@70Hz */
450         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
451                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
452                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
453         /* 0x36 - 1600x1200@75Hz */
454         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
455                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
456                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
457         /* 0x37 - 1600x1200@85Hz */
458         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
459                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
460                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
461         /* 0x38 - 1600x1200@120Hz RB */
462         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
463                    1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
464                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
465         /* 0x39 - 1680x1050@60Hz RB */
466         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
467                    1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
468                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
469         /* 0x3a - 1680x1050@60Hz */
470         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
471                    1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
472                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
473         /* 0x3b - 1680x1050@75Hz */
474         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
475                    1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
476                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
477         /* 0x3c - 1680x1050@85Hz */
478         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
479                    1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
480                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
481         /* 0x3d - 1680x1050@120Hz RB */
482         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
483                    1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
484                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
485         /* 0x3e - 1792x1344@60Hz */
486         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
487                    2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
488                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
489         /* 0x3f - 1792x1344@75Hz */
490         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
491                    2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
492                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
493         /* 0x40 - 1792x1344@120Hz RB */
494         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
495                    1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
496                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
497         /* 0x41 - 1856x1392@60Hz */
498         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
499                    2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
500                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
501         /* 0x42 - 1856x1392@75Hz */
502         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
503                    2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
504                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
505         /* 0x43 - 1856x1392@120Hz RB */
506         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
507                    1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
508                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
509         /* 0x52 - 1920x1080@60Hz */
510         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
511                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
512                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
513         /* 0x44 - 1920x1200@60Hz RB */
514         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
515                    2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
516                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
517         /* 0x45 - 1920x1200@60Hz */
518         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
519                    2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
520                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
521         /* 0x46 - 1920x1200@75Hz */
522         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
523                    2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
524                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
525         /* 0x47 - 1920x1200@85Hz */
526         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
527                    2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
528                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
529         /* 0x48 - 1920x1200@120Hz RB */
530         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
531                    2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
532                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
533         /* 0x49 - 1920x1440@60Hz */
534         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
535                    2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
536                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
537         /* 0x4a - 1920x1440@75Hz */
538         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
539                    2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
540                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
541         /* 0x4b - 1920x1440@120Hz RB */
542         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
543                    2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
544                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
545         /* 0x54 - 2048x1152@60Hz */
546         { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
547                    2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
548                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
549         /* 0x4c - 2560x1600@60Hz RB */
550         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
551                    2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
552                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
553         /* 0x4d - 2560x1600@60Hz */
554         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
555                    3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
556                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
557         /* 0x4e - 2560x1600@75Hz */
558         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
559                    3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
560                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
561         /* 0x4f - 2560x1600@85Hz */
562         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
563                    3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
564                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
565         /* 0x50 - 2560x1600@120Hz RB */
566         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
567                    2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
568                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
569         /* 0x57 - 4096x2160@60Hz RB */
570         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
571                    4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
572                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
573         /* 0x58 - 4096x2160@59.94Hz RB */
574         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
575                    4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
576                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
577 };
578
579 /*
580  * These more or less come from the DMT spec.  The 720x400 modes are
581  * inferred from historical 80x25 practice.  The 640x480@67 and 832x624@75
582  * modes are old-school Mac modes.  The EDID spec says the 1152x864@75 mode
583  * should be 1152x870, again for the Mac, but instead we use the x864 DMT
584  * mode.
585  *
586  * The DMT modes have been fact-checked; the rest are mild guesses.
587  */
588 static const struct drm_display_mode edid_est_modes[] = {
589         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
590                    968, 1056, 0, 600, 601, 605, 628, 0,
591                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
592         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
593                    896, 1024, 0, 600, 601, 603,  625, 0,
594                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
595         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
596                    720, 840, 0, 480, 481, 484, 500, 0,
597                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
598         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
599                    704,  832, 0, 480, 489, 492, 520, 0,
600                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
601         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
602                    768,  864, 0, 480, 483, 486, 525, 0,
603                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
604         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
605                    752, 800, 0, 480, 490, 492, 525, 0,
606                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
607         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
608                    846, 900, 0, 400, 421, 423,  449, 0,
609                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
610         { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
611                    846,  900, 0, 400, 412, 414, 449, 0,
612                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
613         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
614                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
615                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
616         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
617                    1136, 1312, 0,  768, 769, 772, 800, 0,
618                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
619         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
620                    1184, 1328, 0,  768, 771, 777, 806, 0,
621                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
622         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
623                    1184, 1344, 0,  768, 771, 777, 806, 0,
624                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
625         { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
626                    1208, 1264, 0, 768, 768, 776, 817, 0,
627                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
628         { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
629                    928, 1152, 0, 624, 625, 628, 667, 0,
630                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
631         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
632                    896, 1056, 0, 600, 601, 604,  625, 0,
633                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
634         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
635                    976, 1040, 0, 600, 637, 643, 666, 0,
636                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
637         { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
638                    1344, 1600, 0,  864, 865, 868, 900, 0,
639                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
640 };
641
642 struct minimode {
643         short w;
644         short h;
645         short r;
646         short rb;
647 };
648
649 static const struct minimode est3_modes[] = {
650         /* byte 6 */
651         { 640, 350, 85, 0 },
652         { 640, 400, 85, 0 },
653         { 720, 400, 85, 0 },
654         { 640, 480, 85, 0 },
655         { 848, 480, 60, 0 },
656         { 800, 600, 85, 0 },
657         { 1024, 768, 85, 0 },
658         { 1152, 864, 75, 0 },
659         /* byte 7 */
660         { 1280, 768, 60, 1 },
661         { 1280, 768, 60, 0 },
662         { 1280, 768, 75, 0 },
663         { 1280, 768, 85, 0 },
664         { 1280, 960, 60, 0 },
665         { 1280, 960, 85, 0 },
666         { 1280, 1024, 60, 0 },
667         { 1280, 1024, 85, 0 },
668         /* byte 8 */
669         { 1360, 768, 60, 0 },
670         { 1440, 900, 60, 1 },
671         { 1440, 900, 60, 0 },
672         { 1440, 900, 75, 0 },
673         { 1440, 900, 85, 0 },
674         { 1400, 1050, 60, 1 },
675         { 1400, 1050, 60, 0 },
676         { 1400, 1050, 75, 0 },
677         /* byte 9 */
678         { 1400, 1050, 85, 0 },
679         { 1680, 1050, 60, 1 },
680         { 1680, 1050, 60, 0 },
681         { 1680, 1050, 75, 0 },
682         { 1680, 1050, 85, 0 },
683         { 1600, 1200, 60, 0 },
684         { 1600, 1200, 65, 0 },
685         { 1600, 1200, 70, 0 },
686         /* byte 10 */
687         { 1600, 1200, 75, 0 },
688         { 1600, 1200, 85, 0 },
689         { 1792, 1344, 60, 0 },
690         { 1792, 1344, 75, 0 },
691         { 1856, 1392, 60, 0 },
692         { 1856, 1392, 75, 0 },
693         { 1920, 1200, 60, 1 },
694         { 1920, 1200, 60, 0 },
695         /* byte 11 */
696         { 1920, 1200, 75, 0 },
697         { 1920, 1200, 85, 0 },
698         { 1920, 1440, 60, 0 },
699         { 1920, 1440, 75, 0 },
700 };
701
702 static const struct minimode extra_modes[] = {
703         { 1024, 576,  60, 0 },
704         { 1366, 768,  60, 0 },
705         { 1600, 900,  60, 0 },
706         { 1680, 945,  60, 0 },
707         { 1920, 1080, 60, 0 },
708         { 2048, 1152, 60, 0 },
709         { 2048, 1536, 60, 0 },
710 };
711
712 /*
713  * From CEA/CTA-861 spec.
714  *
715  * Do not access directly, instead always use cea_mode_for_vic().
716  */
717 static const struct drm_display_mode edid_cea_modes_1[] = {
718         /* 1 - 640x480@60Hz 4:3 */
719         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
720                    752, 800, 0, 480, 490, 492, 525, 0,
721                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
722           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
723         /* 2 - 720x480@60Hz 4:3 */
724         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
725                    798, 858, 0, 480, 489, 495, 525, 0,
726                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
727           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
728         /* 3 - 720x480@60Hz 16:9 */
729         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
730                    798, 858, 0, 480, 489, 495, 525, 0,
731                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
732           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
733         /* 4 - 1280x720@60Hz 16:9 */
734         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
735                    1430, 1650, 0, 720, 725, 730, 750, 0,
736                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
737           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
738         /* 5 - 1920x1080i@60Hz 16:9 */
739         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
740                    2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
741                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
742                    DRM_MODE_FLAG_INTERLACE),
743           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
744         /* 6 - 720(1440)x480i@60Hz 4:3 */
745         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
746                    801, 858, 0, 480, 488, 494, 525, 0,
747                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
748                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
749           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
750         /* 7 - 720(1440)x480i@60Hz 16:9 */
751         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
752                    801, 858, 0, 480, 488, 494, 525, 0,
753                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
754                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
755           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
756         /* 8 - 720(1440)x240@60Hz 4:3 */
757         { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
758                    801, 858, 0, 240, 244, 247, 262, 0,
759                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
760                    DRM_MODE_FLAG_DBLCLK),
761           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
762         /* 9 - 720(1440)x240@60Hz 16:9 */
763         { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
764                    801, 858, 0, 240, 244, 247, 262, 0,
765                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
766                    DRM_MODE_FLAG_DBLCLK),
767           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
768         /* 10 - 2880x480i@60Hz 4:3 */
769         { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
770                    3204, 3432, 0, 480, 488, 494, 525, 0,
771                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
772                    DRM_MODE_FLAG_INTERLACE),
773           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
774         /* 11 - 2880x480i@60Hz 16:9 */
775         { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
776                    3204, 3432, 0, 480, 488, 494, 525, 0,
777                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
778                    DRM_MODE_FLAG_INTERLACE),
779           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
780         /* 12 - 2880x240@60Hz 4:3 */
781         { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
782                    3204, 3432, 0, 240, 244, 247, 262, 0,
783                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
784           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
785         /* 13 - 2880x240@60Hz 16:9 */
786         { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
787                    3204, 3432, 0, 240, 244, 247, 262, 0,
788                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
789           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
790         /* 14 - 1440x480@60Hz 4:3 */
791         { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
792                    1596, 1716, 0, 480, 489, 495, 525, 0,
793                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
794           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
795         /* 15 - 1440x480@60Hz 16:9 */
796         { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
797                    1596, 1716, 0, 480, 489, 495, 525, 0,
798                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
799           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
800         /* 16 - 1920x1080@60Hz 16:9 */
801         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
802                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
803                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
804           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
805         /* 17 - 720x576@50Hz 4:3 */
806         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
807                    796, 864, 0, 576, 581, 586, 625, 0,
808                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
809           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
810         /* 18 - 720x576@50Hz 16:9 */
811         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
812                    796, 864, 0, 576, 581, 586, 625, 0,
813                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
814           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
815         /* 19 - 1280x720@50Hz 16:9 */
816         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
817                    1760, 1980, 0, 720, 725, 730, 750, 0,
818                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
819           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
820         /* 20 - 1920x1080i@50Hz 16:9 */
821         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
822                    2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
823                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
824                    DRM_MODE_FLAG_INTERLACE),
825           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
826         /* 21 - 720(1440)x576i@50Hz 4:3 */
827         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
828                    795, 864, 0, 576, 580, 586, 625, 0,
829                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
830                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
831           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
832         /* 22 - 720(1440)x576i@50Hz 16:9 */
833         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
834                    795, 864, 0, 576, 580, 586, 625, 0,
835                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
836                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
837           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
838         /* 23 - 720(1440)x288@50Hz 4:3 */
839         { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
840                    795, 864, 0, 288, 290, 293, 312, 0,
841                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
842                    DRM_MODE_FLAG_DBLCLK),
843           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
844         /* 24 - 720(1440)x288@50Hz 16:9 */
845         { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
846                    795, 864, 0, 288, 290, 293, 312, 0,
847                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
848                    DRM_MODE_FLAG_DBLCLK),
849           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
850         /* 25 - 2880x576i@50Hz 4:3 */
851         { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
852                    3180, 3456, 0, 576, 580, 586, 625, 0,
853                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
854                    DRM_MODE_FLAG_INTERLACE),
855           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
856         /* 26 - 2880x576i@50Hz 16:9 */
857         { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
858                    3180, 3456, 0, 576, 580, 586, 625, 0,
859                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
860                    DRM_MODE_FLAG_INTERLACE),
861           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
862         /* 27 - 2880x288@50Hz 4:3 */
863         { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
864                    3180, 3456, 0, 288, 290, 293, 312, 0,
865                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
866           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
867         /* 28 - 2880x288@50Hz 16:9 */
868         { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
869                    3180, 3456, 0, 288, 290, 293, 312, 0,
870                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
871           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
872         /* 29 - 1440x576@50Hz 4:3 */
873         { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
874                    1592, 1728, 0, 576, 581, 586, 625, 0,
875                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
876           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
877         /* 30 - 1440x576@50Hz 16:9 */
878         { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
879                    1592, 1728, 0, 576, 581, 586, 625, 0,
880                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
881           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
882         /* 31 - 1920x1080@50Hz 16:9 */
883         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
884                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
885                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
886           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
887         /* 32 - 1920x1080@24Hz 16:9 */
888         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
889                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
890                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
891           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
892         /* 33 - 1920x1080@25Hz 16:9 */
893         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
894                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
895                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
896           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
897         /* 34 - 1920x1080@30Hz 16:9 */
898         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
899                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
900                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
901           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
902         /* 35 - 2880x480@60Hz 4:3 */
903         { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
904                    3192, 3432, 0, 480, 489, 495, 525, 0,
905                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
906           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
907         /* 36 - 2880x480@60Hz 16:9 */
908         { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
909                    3192, 3432, 0, 480, 489, 495, 525, 0,
910                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
911           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
912         /* 37 - 2880x576@50Hz 4:3 */
913         { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
914                    3184, 3456, 0, 576, 581, 586, 625, 0,
915                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
916           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
917         /* 38 - 2880x576@50Hz 16:9 */
918         { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
919                    3184, 3456, 0, 576, 581, 586, 625, 0,
920                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
921           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
922         /* 39 - 1920x1080i@50Hz 16:9 */
923         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
924                    2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
925                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
926                    DRM_MODE_FLAG_INTERLACE),
927           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
928         /* 40 - 1920x1080i@100Hz 16:9 */
929         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
930                    2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
931                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
932                    DRM_MODE_FLAG_INTERLACE),
933           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
934         /* 41 - 1280x720@100Hz 16:9 */
935         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
936                    1760, 1980, 0, 720, 725, 730, 750, 0,
937                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
938           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
939         /* 42 - 720x576@100Hz 4:3 */
940         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
941                    796, 864, 0, 576, 581, 586, 625, 0,
942                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
943           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
944         /* 43 - 720x576@100Hz 16:9 */
945         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
946                    796, 864, 0, 576, 581, 586, 625, 0,
947                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
948           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
949         /* 44 - 720(1440)x576i@100Hz 4:3 */
950         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
951                    795, 864, 0, 576, 580, 586, 625, 0,
952                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
953                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
954           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
955         /* 45 - 720(1440)x576i@100Hz 16:9 */
956         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
957                    795, 864, 0, 576, 580, 586, 625, 0,
958                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
959                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
960           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
961         /* 46 - 1920x1080i@120Hz 16:9 */
962         { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
963                    2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
964                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
965                    DRM_MODE_FLAG_INTERLACE),
966           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
967         /* 47 - 1280x720@120Hz 16:9 */
968         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
969                    1430, 1650, 0, 720, 725, 730, 750, 0,
970                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
971           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
972         /* 48 - 720x480@120Hz 4:3 */
973         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
974                    798, 858, 0, 480, 489, 495, 525, 0,
975                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
976           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
977         /* 49 - 720x480@120Hz 16:9 */
978         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
979                    798, 858, 0, 480, 489, 495, 525, 0,
980                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
981           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
982         /* 50 - 720(1440)x480i@120Hz 4:3 */
983         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
984                    801, 858, 0, 480, 488, 494, 525, 0,
985                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
986                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
987           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
988         /* 51 - 720(1440)x480i@120Hz 16:9 */
989         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
990                    801, 858, 0, 480, 488, 494, 525, 0,
991                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
992                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
993           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
994         /* 52 - 720x576@200Hz 4:3 */
995         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
996                    796, 864, 0, 576, 581, 586, 625, 0,
997                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
998           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
999         /* 53 - 720x576@200Hz 16:9 */
1000         { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1001                    796, 864, 0, 576, 581, 586, 625, 0,
1002                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1003           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1004         /* 54 - 720(1440)x576i@200Hz 4:3 */
1005         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1006                    795, 864, 0, 576, 580, 586, 625, 0,
1007                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1008                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1009           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1010         /* 55 - 720(1440)x576i@200Hz 16:9 */
1011         { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1012                    795, 864, 0, 576, 580, 586, 625, 0,
1013                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1014                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1015           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1016         /* 56 - 720x480@240Hz 4:3 */
1017         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1018                    798, 858, 0, 480, 489, 495, 525, 0,
1019                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1020           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1021         /* 57 - 720x480@240Hz 16:9 */
1022         { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1023                    798, 858, 0, 480, 489, 495, 525, 0,
1024                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1025           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1026         /* 58 - 720(1440)x480i@240Hz 4:3 */
1027         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1028                    801, 858, 0, 480, 488, 494, 525, 0,
1029                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1030                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1031           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1032         /* 59 - 720(1440)x480i@240Hz 16:9 */
1033         { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1034                    801, 858, 0, 480, 488, 494, 525, 0,
1035                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1036                    DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1037           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1038         /* 60 - 1280x720@24Hz 16:9 */
1039         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1040                    3080, 3300, 0, 720, 725, 730, 750, 0,
1041                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1042           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1043         /* 61 - 1280x720@25Hz 16:9 */
1044         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1045                    3740, 3960, 0, 720, 725, 730, 750, 0,
1046                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1047           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1048         /* 62 - 1280x720@30Hz 16:9 */
1049         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1050                    3080, 3300, 0, 720, 725, 730, 750, 0,
1051                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1052           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1053         /* 63 - 1920x1080@120Hz 16:9 */
1054         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1055                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1056                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1057           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1058         /* 64 - 1920x1080@100Hz 16:9 */
1059         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1060                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1061                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1062           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1063         /* 65 - 1280x720@24Hz 64:27 */
1064         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1065                    3080, 3300, 0, 720, 725, 730, 750, 0,
1066                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1067           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1068         /* 66 - 1280x720@25Hz 64:27 */
1069         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1070                    3740, 3960, 0, 720, 725, 730, 750, 0,
1071                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1072           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1073         /* 67 - 1280x720@30Hz 64:27 */
1074         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1075                    3080, 3300, 0, 720, 725, 730, 750, 0,
1076                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1077           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1078         /* 68 - 1280x720@50Hz 64:27 */
1079         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1080                    1760, 1980, 0, 720, 725, 730, 750, 0,
1081                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1082           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1083         /* 69 - 1280x720@60Hz 64:27 */
1084         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1085                    1430, 1650, 0, 720, 725, 730, 750, 0,
1086                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1087           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1088         /* 70 - 1280x720@100Hz 64:27 */
1089         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1090                    1760, 1980, 0, 720, 725, 730, 750, 0,
1091                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1092           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1093         /* 71 - 1280x720@120Hz 64:27 */
1094         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1095                    1430, 1650, 0, 720, 725, 730, 750, 0,
1096                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1097           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1098         /* 72 - 1920x1080@24Hz 64:27 */
1099         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1100                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1101                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1102           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1103         /* 73 - 1920x1080@25Hz 64:27 */
1104         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1105                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1106                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1107           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1108         /* 74 - 1920x1080@30Hz 64:27 */
1109         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1110                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1111                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1112           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1113         /* 75 - 1920x1080@50Hz 64:27 */
1114         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1115                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1116                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1117           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1118         /* 76 - 1920x1080@60Hz 64:27 */
1119         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1120                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1121                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1122           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1123         /* 77 - 1920x1080@100Hz 64:27 */
1124         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1125                    2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1126                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1127           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1128         /* 78 - 1920x1080@120Hz 64:27 */
1129         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1130                    2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1131                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1132           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1133         /* 79 - 1680x720@24Hz 64:27 */
1134         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1135                    3080, 3300, 0, 720, 725, 730, 750, 0,
1136                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1137           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1138         /* 80 - 1680x720@25Hz 64:27 */
1139         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1140                    2948, 3168, 0, 720, 725, 730, 750, 0,
1141                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1142           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1143         /* 81 - 1680x720@30Hz 64:27 */
1144         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1145                    2420, 2640, 0, 720, 725, 730, 750, 0,
1146                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1147           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1148         /* 82 - 1680x720@50Hz 64:27 */
1149         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1150                    1980, 2200, 0, 720, 725, 730, 750, 0,
1151                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1152           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1153         /* 83 - 1680x720@60Hz 64:27 */
1154         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1155                    1980, 2200, 0, 720, 725, 730, 750, 0,
1156                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1157           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1158         /* 84 - 1680x720@100Hz 64:27 */
1159         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1160                    1780, 2000, 0, 720, 725, 730, 825, 0,
1161                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1162           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1163         /* 85 - 1680x720@120Hz 64:27 */
1164         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1165                    1780, 2000, 0, 720, 725, 730, 825, 0,
1166                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1167           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1168         /* 86 - 2560x1080@24Hz 64:27 */
1169         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1170                    3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1171                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1172           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1173         /* 87 - 2560x1080@25Hz 64:27 */
1174         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1175                    3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1176                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1177           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1178         /* 88 - 2560x1080@30Hz 64:27 */
1179         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1180                    3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1181                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1182           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1183         /* 89 - 2560x1080@50Hz 64:27 */
1184         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1185                    3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1186                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1187           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1188         /* 90 - 2560x1080@60Hz 64:27 */
1189         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1190                    2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1191                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1192           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1193         /* 91 - 2560x1080@100Hz 64:27 */
1194         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1195                    2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1196                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1197           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1198         /* 92 - 2560x1080@120Hz 64:27 */
1199         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1200                    3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1201                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1202           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1203         /* 93 - 3840x2160@24Hz 16:9 */
1204         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1205                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1206                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1207           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1208         /* 94 - 3840x2160@25Hz 16:9 */
1209         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1210                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1211                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1212           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1213         /* 95 - 3840x2160@30Hz 16:9 */
1214         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1215                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1216                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1217           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1218         /* 96 - 3840x2160@50Hz 16:9 */
1219         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1220                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1221                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1222           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1223         /* 97 - 3840x2160@60Hz 16:9 */
1224         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1225                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1226                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1227           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1228         /* 98 - 4096x2160@24Hz 256:135 */
1229         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1230                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1231                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1232           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1233         /* 99 - 4096x2160@25Hz 256:135 */
1234         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1235                    5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1236                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1237           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1238         /* 100 - 4096x2160@30Hz 256:135 */
1239         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1240                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1241                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1242           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1243         /* 101 - 4096x2160@50Hz 256:135 */
1244         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1245                    5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1246                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1247           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1248         /* 102 - 4096x2160@60Hz 256:135 */
1249         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1250                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1251                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1252           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1253         /* 103 - 3840x2160@24Hz 64:27 */
1254         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1255                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1256                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1257           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1258         /* 104 - 3840x2160@25Hz 64:27 */
1259         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1260                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1261                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1262           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1263         /* 105 - 3840x2160@30Hz 64:27 */
1264         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1265                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1266                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1267           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1268         /* 106 - 3840x2160@50Hz 64:27 */
1269         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1270                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1271                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1272           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1273         /* 107 - 3840x2160@60Hz 64:27 */
1274         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1275                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1276                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1277           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1278         /* 108 - 1280x720@48Hz 16:9 */
1279         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1280                    2280, 2500, 0, 720, 725, 730, 750, 0,
1281                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1282           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1283         /* 109 - 1280x720@48Hz 64:27 */
1284         { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1285                    2280, 2500, 0, 720, 725, 730, 750, 0,
1286                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1287           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1288         /* 110 - 1680x720@48Hz 64:27 */
1289         { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490,
1290                    2530, 2750, 0, 720, 725, 730, 750, 0,
1291                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1292           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1293         /* 111 - 1920x1080@48Hz 16:9 */
1294         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1295                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1296                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1297           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1298         /* 112 - 1920x1080@48Hz 64:27 */
1299         { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1300                    2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1301                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1302           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1303         /* 113 - 2560x1080@48Hz 64:27 */
1304         { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558,
1305                    3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1306                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1307           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1308         /* 114 - 3840x2160@48Hz 16:9 */
1309         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1310                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1311                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1312           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1313         /* 115 - 4096x2160@48Hz 256:135 */
1314         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116,
1315                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1316                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1317           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1318         /* 116 - 3840x2160@48Hz 64:27 */
1319         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1320                    5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1321                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1322           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1323         /* 117 - 3840x2160@100Hz 16:9 */
1324         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1325                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1326                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1327           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1328         /* 118 - 3840x2160@120Hz 16:9 */
1329         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1330                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1331                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1332           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1333         /* 119 - 3840x2160@100Hz 64:27 */
1334         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1335                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1336                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1337           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1338         /* 120 - 3840x2160@120Hz 64:27 */
1339         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1340                    4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1341                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1342           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1343         /* 121 - 5120x2160@24Hz 64:27 */
1344         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116,
1345                    7204, 7500, 0, 2160, 2168, 2178, 2200, 0,
1346                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1347           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1348         /* 122 - 5120x2160@25Hz 64:27 */
1349         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816,
1350                    6904, 7200, 0, 2160, 2168, 2178, 2200, 0,
1351                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1352           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1353         /* 123 - 5120x2160@30Hz 64:27 */
1354         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784,
1355                    5872, 6000, 0, 2160, 2168, 2178, 2200, 0,
1356                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1357           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1358         /* 124 - 5120x2160@48Hz 64:27 */
1359         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866,
1360                    5954, 6250, 0, 2160, 2168, 2178, 2475, 0,
1361                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1362           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1363         /* 125 - 5120x2160@50Hz 64:27 */
1364         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216,
1365                    6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1366                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1367           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1368         /* 126 - 5120x2160@60Hz 64:27 */
1369         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284,
1370                    5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1371                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1372           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1373         /* 127 - 5120x2160@100Hz 64:27 */
1374         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216,
1375                    6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1376                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1377           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1378 };
1379
1380 /*
1381  * From CEA/CTA-861 spec.
1382  *
1383  * Do not access directly, instead always use cea_mode_for_vic().
1384  */
1385 static const struct drm_display_mode edid_cea_modes_193[] = {
1386         /* 193 - 5120x2160@120Hz 64:27 */
1387         { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
1388                    5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1389                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1390           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1391         /* 194 - 7680x4320@24Hz 16:9 */
1392         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1393                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1394                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1395           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1396         /* 195 - 7680x4320@25Hz 16:9 */
1397         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1398                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1399                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1400           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1401         /* 196 - 7680x4320@30Hz 16:9 */
1402         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1403                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1404                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1405           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1406         /* 197 - 7680x4320@48Hz 16:9 */
1407         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1408                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1409                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1410           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1411         /* 198 - 7680x4320@50Hz 16:9 */
1412         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1413                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1414                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1415           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1416         /* 199 - 7680x4320@60Hz 16:9 */
1417         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1418                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1419                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1420           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1421         /* 200 - 7680x4320@100Hz 16:9 */
1422         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1423                    9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1424                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1425           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1426         /* 201 - 7680x4320@120Hz 16:9 */
1427         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1428                    8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1429                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1430           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1431         /* 202 - 7680x4320@24Hz 64:27 */
1432         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1433                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1434                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1435           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1436         /* 203 - 7680x4320@25Hz 64:27 */
1437         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1438                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1439                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1440           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1441         /* 204 - 7680x4320@30Hz 64:27 */
1442         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1443                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1444                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1445           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1446         /* 205 - 7680x4320@48Hz 64:27 */
1447         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1448                    10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1449                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1450           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1451         /* 206 - 7680x4320@50Hz 64:27 */
1452         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1453                    10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1454                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1455           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1456         /* 207 - 7680x4320@60Hz 64:27 */
1457         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1458                    8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1459                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1460           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1461         /* 208 - 7680x4320@100Hz 64:27 */
1462         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1463                    9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1464                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1465           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1466         /* 209 - 7680x4320@120Hz 64:27 */
1467         { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1468                    8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1469                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1470           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1471         /* 210 - 10240x4320@24Hz 64:27 */
1472         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
1473                    11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1474                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1475           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1476         /* 211 - 10240x4320@25Hz 64:27 */
1477         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
1478                    12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1479                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1480           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1481         /* 212 - 10240x4320@30Hz 64:27 */
1482         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
1483                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1484                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1485           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1486         /* 213 - 10240x4320@48Hz 64:27 */
1487         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
1488                    11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1489                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1490           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1491         /* 214 - 10240x4320@50Hz 64:27 */
1492         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
1493                    12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1494                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1495           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1496         /* 215 - 10240x4320@60Hz 64:27 */
1497         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
1498                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1499                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1500           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1501         /* 216 - 10240x4320@100Hz 64:27 */
1502         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
1503                    12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
1504                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1505           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1506         /* 217 - 10240x4320@120Hz 64:27 */
1507         { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
1508                    10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1509                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1510           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1511         /* 218 - 4096x2160@100Hz 256:135 */
1512         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
1513                    4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1514                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1515           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1516         /* 219 - 4096x2160@120Hz 256:135 */
1517         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
1518                    4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1519                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1520           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1521 };
1522
1523 /*
1524  * HDMI 1.4 4k modes. Index using the VIC.
1525  */
1526 static const struct drm_display_mode edid_4k_modes[] = {
1527         /* 0 - dummy, VICs start at 1 */
1528         { },
1529         /* 1 - 3840x2160@30Hz */
1530         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1531                    3840, 4016, 4104, 4400, 0,
1532                    2160, 2168, 2178, 2250, 0,
1533                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1534           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1535         /* 2 - 3840x2160@25Hz */
1536         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1537                    3840, 4896, 4984, 5280, 0,
1538                    2160, 2168, 2178, 2250, 0,
1539                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1540           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1541         /* 3 - 3840x2160@24Hz */
1542         { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1543                    3840, 5116, 5204, 5500, 0,
1544                    2160, 2168, 2178, 2250, 0,
1545                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1546           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1547         /* 4 - 4096x2160@24Hz (SMPTE) */
1548         { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1549                    4096, 5116, 5204, 5500, 0,
1550                    2160, 2168, 2178, 2250, 0,
1551                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1552           .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1553 };
1554
1555 /*** DDC fetch and block validation ***/
1556
1557 static const u8 edid_header[] = {
1558         0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1559 };
1560
1561 /**
1562  * drm_edid_header_is_valid - sanity check the header of the base EDID block
1563  * @raw_edid: pointer to raw base EDID block
1564  *
1565  * Sanity check the header of the base EDID block.
1566  *
1567  * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1568  */
1569 int drm_edid_header_is_valid(const u8 *raw_edid)
1570 {
1571         int i, score = 0;
1572
1573         for (i = 0; i < sizeof(edid_header); i++)
1574                 if (raw_edid[i] == edid_header[i])
1575                         score++;
1576
1577         return score;
1578 }
1579 EXPORT_SYMBOL(drm_edid_header_is_valid);
1580
1581 static int edid_fixup __read_mostly = 6;
1582 module_param_named(edid_fixup, edid_fixup, int, 0400);
1583 MODULE_PARM_DESC(edid_fixup,
1584                  "Minimum number of valid EDID header bytes (0-8, default 6)");
1585
1586 static int validate_displayid(u8 *displayid, int length, int idx);
1587
1588 static int drm_edid_block_checksum(const u8 *raw_edid)
1589 {
1590         int i;
1591         u8 csum = 0, crc = 0;
1592
1593         for (i = 0; i < EDID_LENGTH - 1; i++)
1594                 csum += raw_edid[i];
1595
1596         crc = 0x100 - csum;
1597
1598         return crc;
1599 }
1600
1601 static bool drm_edid_block_checksum_diff(const u8 *raw_edid, u8 real_checksum)
1602 {
1603         if (raw_edid[EDID_LENGTH - 1] != real_checksum)
1604                 return true;
1605         else
1606                 return false;
1607 }
1608
1609 static bool drm_edid_is_zero(const u8 *in_edid, int length)
1610 {
1611         if (memchr_inv(in_edid, 0, length))
1612                 return false;
1613
1614         return true;
1615 }
1616
1617 /**
1618  * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1619  * @raw_edid: pointer to raw EDID block
1620  * @block: type of block to validate (0 for base, extension otherwise)
1621  * @print_bad_edid: if true, dump bad EDID blocks to the console
1622  * @edid_corrupt: if true, the header or checksum is invalid
1623  *
1624  * Validate a base or extension EDID block and optionally dump bad blocks to
1625  * the console.
1626  *
1627  * Return: True if the block is valid, false otherwise.
1628  */
1629 bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
1630                           bool *edid_corrupt)
1631 {
1632         u8 csum;
1633         struct edid *edid = (struct edid *)raw_edid;
1634
1635         if (WARN_ON(!raw_edid))
1636                 return false;
1637
1638         if (edid_fixup > 8 || edid_fixup < 0)
1639                 edid_fixup = 6;
1640
1641         if (block == 0) {
1642                 int score = drm_edid_header_is_valid(raw_edid);
1643                 if (score == 8) {
1644                         if (edid_corrupt)
1645                                 *edid_corrupt = false;
1646                 } else if (score >= edid_fixup) {
1647                         /* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6
1648                          * The corrupt flag needs to be set here otherwise, the
1649                          * fix-up code here will correct the problem, the
1650                          * checksum is correct and the test fails
1651                          */
1652                         if (edid_corrupt)
1653                                 *edid_corrupt = true;
1654                         DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
1655                         memcpy(raw_edid, edid_header, sizeof(edid_header));
1656                 } else {
1657                         if (edid_corrupt)
1658                                 *edid_corrupt = true;
1659                         goto bad;
1660                 }
1661         }
1662
1663         csum = drm_edid_block_checksum(raw_edid);
1664         if (drm_edid_block_checksum_diff(raw_edid, csum)) {
1665                 if (edid_corrupt)
1666                         *edid_corrupt = true;
1667
1668                 /* allow CEA to slide through, switches mangle this */
1669                 if (raw_edid[0] == CEA_EXT) {
1670                         DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum);
1671                         DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n");
1672                 } else {
1673                         if (print_bad_edid)
1674                                 DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
1675
1676                         goto bad;
1677                 }
1678         }
1679
1680         /* per-block-type checks */
1681         switch (raw_edid[0]) {
1682         case 0: /* base */
1683                 if (edid->version != 1) {
1684                         DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
1685                         goto bad;
1686                 }
1687
1688                 if (edid->revision > 4)
1689                         DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
1690                 break;
1691
1692         default:
1693                 break;
1694         }
1695
1696         return true;
1697
1698 bad:
1699         if (print_bad_edid) {
1700                 if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1701                         pr_notice("EDID block is all zeroes\n");
1702                 } else {
1703                         pr_notice("Raw EDID:\n");
1704                         print_hex_dump(KERN_NOTICE,
1705                                        " \t", DUMP_PREFIX_NONE, 16, 1,
1706                                        raw_edid, EDID_LENGTH, false);
1707                 }
1708         }
1709         return false;
1710 }
1711 EXPORT_SYMBOL(drm_edid_block_valid);
1712
1713 /**
1714  * drm_edid_is_valid - sanity check EDID data
1715  * @edid: EDID data
1716  *
1717  * Sanity-check an entire EDID record (including extensions)
1718  *
1719  * Return: True if the EDID data is valid, false otherwise.
1720  */
1721 bool drm_edid_is_valid(struct edid *edid)
1722 {
1723         int i;
1724         u8 *raw = (u8 *)edid;
1725
1726         if (!edid)
1727                 return false;
1728
1729         for (i = 0; i <= edid->extensions; i++)
1730                 if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
1731                         return false;
1732
1733         return true;
1734 }
1735 EXPORT_SYMBOL(drm_edid_is_valid);
1736
1737 #define DDC_SEGMENT_ADDR 0x30
1738 /**
1739  * drm_do_probe_ddc_edid() - get EDID information via I2C
1740  * @data: I2C device adapter
1741  * @buf: EDID data buffer to be filled
1742  * @block: 128 byte EDID block to start fetching from
1743  * @len: EDID data buffer length to fetch
1744  *
1745  * Try to fetch EDID information by calling I2C driver functions.
1746  *
1747  * Return: 0 on success or -1 on failure.
1748  */
1749 static int
1750 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1751 {
1752         struct i2c_adapter *adapter = data;
1753         unsigned char start = block * EDID_LENGTH;
1754         unsigned char segment = block >> 1;
1755         unsigned char xfers = segment ? 3 : 2;
1756         int ret, retries = 5;
1757
1758         /*
1759          * The core I2C driver will automatically retry the transfer if the
1760          * adapter reports EAGAIN. However, we find that bit-banging transfers
1761          * are susceptible to errors under a heavily loaded machine and
1762          * generate spurious NAKs and timeouts. Retrying the transfer
1763          * of the individual block a few times seems to overcome this.
1764          */
1765         do {
1766                 struct i2c_msg msgs[] = {
1767                         {
1768                                 .addr   = DDC_SEGMENT_ADDR,
1769                                 .flags  = 0,
1770                                 .len    = 1,
1771                                 .buf    = &segment,
1772                         }, {
1773                                 .addr   = DDC_ADDR,
1774                                 .flags  = 0,
1775                                 .len    = 1,
1776                                 .buf    = &start,
1777                         }, {
1778                                 .addr   = DDC_ADDR,
1779                                 .flags  = I2C_M_RD,
1780                                 .len    = len,
1781                                 .buf    = buf,
1782                         }
1783                 };
1784
1785                 /*
1786                  * Avoid sending the segment addr to not upset non-compliant
1787                  * DDC monitors.
1788                  */
1789                 ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
1790
1791                 if (ret == -ENXIO) {
1792                         DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1793                                         adapter->name);
1794                         break;
1795                 }
1796         } while (ret != xfers && --retries);
1797
1798         return ret == xfers ? 0 : -1;
1799 }
1800
1801 static void connector_bad_edid(struct drm_connector *connector,
1802                                u8 *edid, int num_blocks)
1803 {
1804         int i;
1805         u8 num_of_ext = edid[0x7e];
1806
1807         /* Calculate real checksum for the last edid extension block data */
1808         connector->real_edid_checksum =
1809                 drm_edid_block_checksum(edid + num_of_ext * EDID_LENGTH);
1810
1811         if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
1812                 return;
1813
1814         dev_warn(connector->dev->dev,
1815                  "%s: EDID is invalid:\n",
1816                  connector->name);
1817         for (i = 0; i < num_blocks; i++) {
1818                 u8 *block = edid + i * EDID_LENGTH;
1819                 char prefix[20];
1820
1821                 if (drm_edid_is_zero(block, EDID_LENGTH))
1822                         sprintf(prefix, "\t[%02x] ZERO ", i);
1823                 else if (!drm_edid_block_valid(block, i, false, NULL))
1824                         sprintf(prefix, "\t[%02x] BAD  ", i);
1825                 else
1826                         sprintf(prefix, "\t[%02x] GOOD ", i);
1827
1828                 print_hex_dump(KERN_WARNING,
1829                                prefix, DUMP_PREFIX_NONE, 16, 1,
1830                                block, EDID_LENGTH, false);
1831         }
1832 }
1833
1834 /* Get override or firmware EDID */
1835 static struct edid *drm_get_override_edid(struct drm_connector *connector)
1836 {
1837         struct edid *override = NULL;
1838
1839         if (connector->override_edid)
1840                 override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1841
1842         if (!override)
1843                 override = drm_load_edid_firmware(connector);
1844
1845         return IS_ERR(override) ? NULL : override;
1846 }
1847
1848 /**
1849  * drm_add_override_edid_modes - add modes from override/firmware EDID
1850  * @connector: connector we're probing
1851  *
1852  * Add modes from the override/firmware EDID, if available. Only to be used from
1853  * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1854  * failed during drm_get_edid() and caused the override/firmware EDID to be
1855  * skipped.
1856  *
1857  * Return: The number of modes added or 0 if we couldn't find any.
1858  */
1859 int drm_add_override_edid_modes(struct drm_connector *connector)
1860 {
1861         struct edid *override;
1862         int num_modes = 0;
1863
1864         override = drm_get_override_edid(connector);
1865         if (override) {
1866                 drm_connector_update_edid_property(connector, override);
1867                 num_modes = drm_add_edid_modes(connector, override);
1868                 kfree(override);
1869
1870                 DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1871                               connector->base.id, connector->name, num_modes);
1872         }
1873
1874         return num_modes;
1875 }
1876 EXPORT_SYMBOL(drm_add_override_edid_modes);
1877
1878 /**
1879  * drm_do_get_edid - get EDID data using a custom EDID block read function
1880  * @connector: connector we're probing
1881  * @get_edid_block: EDID block read function
1882  * @data: private data passed to the block read function
1883  *
1884  * When the I2C adapter connected to the DDC bus is hidden behind a device that
1885  * exposes a different interface to read EDID blocks this function can be used
1886  * to get EDID data using a custom block read function.
1887  *
1888  * As in the general case the DDC bus is accessible by the kernel at the I2C
1889  * level, drivers must make all reasonable efforts to expose it as an I2C
1890  * adapter and use drm_get_edid() instead of abusing this function.
1891  *
1892  * The EDID may be overridden using debugfs override_edid or firmare EDID
1893  * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1894  * order. Having either of them bypasses actual EDID reads.
1895  *
1896  * Return: Pointer to valid EDID or NULL if we couldn't find any.
1897  */
1898 struct edid *drm_do_get_edid(struct drm_connector *connector,
1899         int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1900                               size_t len),
1901         void *data)
1902 {
1903         int i, j = 0, valid_extensions = 0;
1904         u8 *edid, *new;
1905         struct edid *override;
1906
1907         override = drm_get_override_edid(connector);
1908         if (override)
1909                 return override;
1910
1911         if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1912                 return NULL;
1913
1914         /* base block fetch */
1915         for (i = 0; i < 4; i++) {
1916                 if (get_edid_block(data, edid, 0, EDID_LENGTH))
1917                         goto out;
1918                 if (drm_edid_block_valid(edid, 0, false,
1919                                          &connector->edid_corrupt))
1920                         break;
1921                 if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1922                         connector->null_edid_counter++;
1923                         goto carp;
1924                 }
1925         }
1926         if (i == 4)
1927                 goto carp;
1928
1929         /* if there's no extensions, we're done */
1930         valid_extensions = edid[0x7e];
1931         if (valid_extensions == 0)
1932                 return (struct edid *)edid;
1933
1934         new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1935         if (!new)
1936                 goto out;
1937         edid = new;
1938
1939         for (j = 1; j <= edid[0x7e]; j++) {
1940                 u8 *block = edid + j * EDID_LENGTH;
1941
1942                 for (i = 0; i < 4; i++) {
1943                         if (get_edid_block(data, block, j, EDID_LENGTH))
1944                                 goto out;
1945                         if (drm_edid_block_valid(block, j, false, NULL))
1946                                 break;
1947                 }
1948
1949                 if (i == 4)
1950                         valid_extensions--;
1951         }
1952
1953         if (valid_extensions != edid[0x7e]) {
1954                 u8 *base;
1955
1956                 connector_bad_edid(connector, edid, edid[0x7e] + 1);
1957
1958                 edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
1959                 edid[0x7e] = valid_extensions;
1960
1961                 new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
1962                                     GFP_KERNEL);
1963                 if (!new)
1964                         goto out;
1965
1966                 base = new;
1967                 for (i = 0; i <= edid[0x7e]; i++) {
1968                         u8 *block = edid + i * EDID_LENGTH;
1969
1970                         if (!drm_edid_block_valid(block, i, false, NULL))
1971                                 continue;
1972
1973                         memcpy(base, block, EDID_LENGTH);
1974                         base += EDID_LENGTH;
1975                 }
1976
1977                 kfree(edid);
1978                 edid = new;
1979         }
1980
1981         return (struct edid *)edid;
1982
1983 carp:
1984         connector_bad_edid(connector, edid, 1);
1985 out:
1986         kfree(edid);
1987         return NULL;
1988 }
1989 EXPORT_SYMBOL_GPL(drm_do_get_edid);
1990
1991 /**
1992  * drm_probe_ddc() - probe DDC presence
1993  * @adapter: I2C adapter to probe
1994  *
1995  * Return: True on success, false on failure.
1996  */
1997 bool
1998 drm_probe_ddc(struct i2c_adapter *adapter)
1999 {
2000         unsigned char out;
2001
2002         return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2003 }
2004 EXPORT_SYMBOL(drm_probe_ddc);
2005
2006 /**
2007  * drm_get_edid - get EDID data, if available
2008  * @connector: connector we're probing
2009  * @adapter: I2C adapter to use for DDC
2010  *
2011  * Poke the given I2C channel to grab EDID data if possible.  If found,
2012  * attach it to the connector.
2013  *
2014  * Return: Pointer to valid EDID or NULL if we couldn't find any.
2015  */
2016 struct edid *drm_get_edid(struct drm_connector *connector,
2017                           struct i2c_adapter *adapter)
2018 {
2019         if (connector->force == DRM_FORCE_OFF)
2020                 return NULL;
2021
2022         if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2023                 return NULL;
2024
2025         return drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2026 }
2027 EXPORT_SYMBOL(drm_get_edid);
2028
2029 /**
2030  * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2031  * @connector: connector we're probing
2032  * @adapter: I2C adapter to use for DDC
2033  *
2034  * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2035  * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2036  * switch DDC to the GPU which is retrieving EDID.
2037  *
2038  * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2039  */
2040 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2041                                      struct i2c_adapter *adapter)
2042 {
2043         struct pci_dev *pdev = connector->dev->pdev;
2044         struct edid *edid;
2045
2046         vga_switcheroo_lock_ddc(pdev);
2047         edid = drm_get_edid(connector, adapter);
2048         vga_switcheroo_unlock_ddc(pdev);
2049
2050         return edid;
2051 }
2052 EXPORT_SYMBOL(drm_get_edid_switcheroo);
2053
2054 /**
2055  * drm_edid_duplicate - duplicate an EDID and the extensions
2056  * @edid: EDID to duplicate
2057  *
2058  * Return: Pointer to duplicated EDID or NULL on allocation failure.
2059  */
2060 struct edid *drm_edid_duplicate(const struct edid *edid)
2061 {
2062         return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2063 }
2064 EXPORT_SYMBOL(drm_edid_duplicate);
2065
2066 /*** EDID parsing ***/
2067
2068 /**
2069  * edid_vendor - match a string against EDID's obfuscated vendor field
2070  * @edid: EDID to match
2071  * @vendor: vendor string
2072  *
2073  * Returns true if @vendor is in @edid, false otherwise
2074  */
2075 static bool edid_vendor(const struct edid *edid, const char *vendor)
2076 {
2077         char edid_vendor[3];
2078
2079         edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
2080         edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
2081                           ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
2082         edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
2083
2084         return !strncmp(edid_vendor, vendor, 3);
2085 }
2086
2087 /**
2088  * edid_get_quirks - return quirk flags for a given EDID
2089  * @edid: EDID to process
2090  *
2091  * This tells subsequent routines what fixes they need to apply.
2092  */
2093 static u32 edid_get_quirks(const struct edid *edid)
2094 {
2095         const struct edid_quirk *quirk;
2096         int i;
2097
2098         for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2099                 quirk = &edid_quirk_list[i];
2100
2101                 if (edid_vendor(edid, quirk->vendor) &&
2102                     (EDID_PRODUCT_ID(edid) == quirk->product_id))
2103                         return quirk->quirks;
2104         }
2105
2106         return 0;
2107 }
2108
2109 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2110 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2111
2112 /**
2113  * edid_fixup_preferred - set preferred modes based on quirk list
2114  * @connector: has mode list to fix up
2115  * @quirks: quirks list
2116  *
2117  * Walk the mode list for @connector, clearing the preferred status
2118  * on existing modes and setting it anew for the right mode ala @quirks.
2119  */
2120 static void edid_fixup_preferred(struct drm_connector *connector,
2121                                  u32 quirks)
2122 {
2123         struct drm_display_mode *t, *cur_mode, *preferred_mode;
2124         int target_refresh = 0;
2125         int cur_vrefresh, preferred_vrefresh;
2126
2127         if (list_empty(&connector->probed_modes))
2128                 return;
2129
2130         if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2131                 target_refresh = 60;
2132         if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2133                 target_refresh = 75;
2134
2135         preferred_mode = list_first_entry(&connector->probed_modes,
2136                                           struct drm_display_mode, head);
2137
2138         list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2139                 cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2140
2141                 if (cur_mode == preferred_mode)
2142                         continue;
2143
2144                 /* Largest mode is preferred */
2145                 if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2146                         preferred_mode = cur_mode;
2147
2148                 cur_vrefresh = drm_mode_vrefresh(cur_mode);
2149                 preferred_vrefresh = drm_mode_vrefresh(preferred_mode);
2150                 /* At a given size, try to get closest to target refresh */
2151                 if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2152                     MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2153                     MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2154                         preferred_mode = cur_mode;
2155                 }
2156         }
2157
2158         preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2159 }
2160
2161 static bool
2162 mode_is_rb(const struct drm_display_mode *mode)
2163 {
2164         return (mode->htotal - mode->hdisplay == 160) &&
2165                (mode->hsync_end - mode->hdisplay == 80) &&
2166                (mode->hsync_end - mode->hsync_start == 32) &&
2167                (mode->vsync_start - mode->vdisplay == 3);
2168 }
2169
2170 /*
2171  * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2172  * @dev: Device to duplicate against
2173  * @hsize: Mode width
2174  * @vsize: Mode height
2175  * @fresh: Mode refresh rate
2176  * @rb: Mode reduced-blanking-ness
2177  *
2178  * Walk the DMT mode list looking for a match for the given parameters.
2179  *
2180  * Return: A newly allocated copy of the mode, or NULL if not found.
2181  */
2182 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2183                                            int hsize, int vsize, int fresh,
2184                                            bool rb)
2185 {
2186         int i;
2187
2188         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2189                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2190                 if (hsize != ptr->hdisplay)
2191                         continue;
2192                 if (vsize != ptr->vdisplay)
2193                         continue;
2194                 if (fresh != drm_mode_vrefresh(ptr))
2195                         continue;
2196                 if (rb != mode_is_rb(ptr))
2197                         continue;
2198
2199                 return drm_mode_duplicate(dev, ptr);
2200         }
2201
2202         return NULL;
2203 }
2204 EXPORT_SYMBOL(drm_mode_find_dmt);
2205
2206 static bool is_display_descriptor(const u8 d[18], u8 tag)
2207 {
2208         return d[0] == 0x00 && d[1] == 0x00 &&
2209                 d[2] == 0x00 && d[3] == tag;
2210 }
2211
2212 static bool is_detailed_timing_descriptor(const u8 d[18])
2213 {
2214         return d[0] != 0x00 || d[1] != 0x00;
2215 }
2216
2217 typedef void detailed_cb(struct detailed_timing *timing, void *closure);
2218
2219 static void
2220 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2221 {
2222         int i, n;
2223         u8 d = ext[0x02];
2224         u8 *det_base = ext + d;
2225
2226         if (d < 4 || d > 127)
2227                 return;
2228
2229         n = (127 - d) / 18;
2230         for (i = 0; i < n; i++)
2231                 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2232 }
2233
2234 static void
2235 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2236 {
2237         unsigned int i, n = min((int)ext[0x02], 6);
2238         u8 *det_base = ext + 5;
2239
2240         if (ext[0x01] != 1)
2241                 return; /* unknown version */
2242
2243         for (i = 0; i < n; i++)
2244                 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2245 }
2246
2247 static void
2248 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
2249 {
2250         int i;
2251         struct edid *edid = (struct edid *)raw_edid;
2252
2253         if (edid == NULL)
2254                 return;
2255
2256         for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2257                 cb(&(edid->detailed_timings[i]), closure);
2258
2259         for (i = 1; i <= raw_edid[0x7e]; i++) {
2260                 u8 *ext = raw_edid + (i * EDID_LENGTH);
2261                 switch (*ext) {
2262                 case CEA_EXT:
2263                         cea_for_each_detailed_block(ext, cb, closure);
2264                         break;
2265                 case VTB_EXT:
2266                         vtb_for_each_detailed_block(ext, cb, closure);
2267                         break;
2268                 default:
2269                         break;
2270                 }
2271         }
2272 }
2273
2274 static void
2275 is_rb(struct detailed_timing *t, void *data)
2276 {
2277         u8 *r = (u8 *)t;
2278
2279         if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2280                 return;
2281
2282         if (r[15] & 0x10)
2283                 *(bool *)data = true;
2284 }
2285
2286 /* EDID 1.4 defines this explicitly.  For EDID 1.3, we guess, badly. */
2287 static bool
2288 drm_monitor_supports_rb(struct edid *edid)
2289 {
2290         if (edid->revision >= 4) {
2291                 bool ret = false;
2292                 drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2293                 return ret;
2294         }
2295
2296         return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2297 }
2298
2299 static void
2300 find_gtf2(struct detailed_timing *t, void *data)
2301 {
2302         u8 *r = (u8 *)t;
2303
2304         if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2305                 return;
2306
2307         if (r[10] == 0x02)
2308                 *(u8 **)data = r;
2309 }
2310
2311 /* Secondary GTF curve kicks in above some break frequency */
2312 static int
2313 drm_gtf2_hbreak(struct edid *edid)
2314 {
2315         u8 *r = NULL;
2316         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2317         return r ? (r[12] * 2) : 0;
2318 }
2319
2320 static int
2321 drm_gtf2_2c(struct edid *edid)
2322 {
2323         u8 *r = NULL;
2324         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2325         return r ? r[13] : 0;
2326 }
2327
2328 static int
2329 drm_gtf2_m(struct edid *edid)
2330 {
2331         u8 *r = NULL;
2332         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2333         return r ? (r[15] << 8) + r[14] : 0;
2334 }
2335
2336 static int
2337 drm_gtf2_k(struct edid *edid)
2338 {
2339         u8 *r = NULL;
2340         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2341         return r ? r[16] : 0;
2342 }
2343
2344 static int
2345 drm_gtf2_2j(struct edid *edid)
2346 {
2347         u8 *r = NULL;
2348         drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2349         return r ? r[17] : 0;
2350 }
2351
2352 /**
2353  * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2354  * @edid: EDID block to scan
2355  */
2356 static int standard_timing_level(struct edid *edid)
2357 {
2358         if (edid->revision >= 2) {
2359                 if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2360                         return LEVEL_CVT;
2361                 if (drm_gtf2_hbreak(edid))
2362                         return LEVEL_GTF2;
2363                 if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2364                         return LEVEL_GTF;
2365         }
2366         return LEVEL_DMT;
2367 }
2368
2369 /*
2370  * 0 is reserved.  The spec says 0x01 fill for unused timings.  Some old
2371  * monitors fill with ascii space (0x20) instead.
2372  */
2373 static int
2374 bad_std_timing(u8 a, u8 b)
2375 {
2376         return (a == 0x00 && b == 0x00) ||
2377                (a == 0x01 && b == 0x01) ||
2378                (a == 0x20 && b == 0x20);
2379 }
2380
2381 static int drm_mode_hsync(const struct drm_display_mode *mode)
2382 {
2383         if (mode->htotal <= 0)
2384                 return 0;
2385
2386         return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
2387 }
2388
2389 /**
2390  * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2391  * @connector: connector of for the EDID block
2392  * @edid: EDID block to scan
2393  * @t: standard timing params
2394  *
2395  * Take the standard timing params (in this case width, aspect, and refresh)
2396  * and convert them into a real mode using CVT/GTF/DMT.
2397  */
2398 static struct drm_display_mode *
2399 drm_mode_std(struct drm_connector *connector, struct edid *edid,
2400              struct std_timing *t)
2401 {
2402         struct drm_device *dev = connector->dev;
2403         struct drm_display_mode *m, *mode = NULL;
2404         int hsize, vsize;
2405         int vrefresh_rate;
2406         unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2407                 >> EDID_TIMING_ASPECT_SHIFT;
2408         unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2409                 >> EDID_TIMING_VFREQ_SHIFT;
2410         int timing_level = standard_timing_level(edid);
2411
2412         if (bad_std_timing(t->hsize, t->vfreq_aspect))
2413                 return NULL;
2414
2415         /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2416         hsize = t->hsize * 8 + 248;
2417         /* vrefresh_rate = vfreq + 60 */
2418         vrefresh_rate = vfreq + 60;
2419         /* the vdisplay is calculated based on the aspect ratio */
2420         if (aspect_ratio == 0) {
2421                 if (edid->revision < 3)
2422                         vsize = hsize;
2423                 else
2424                         vsize = (hsize * 10) / 16;
2425         } else if (aspect_ratio == 1)
2426                 vsize = (hsize * 3) / 4;
2427         else if (aspect_ratio == 2)
2428                 vsize = (hsize * 4) / 5;
2429         else
2430                 vsize = (hsize * 9) / 16;
2431
2432         /* HDTV hack, part 1 */
2433         if (vrefresh_rate == 60 &&
2434             ((hsize == 1360 && vsize == 765) ||
2435              (hsize == 1368 && vsize == 769))) {
2436                 hsize = 1366;
2437                 vsize = 768;
2438         }
2439
2440         /*
2441          * If this connector already has a mode for this size and refresh
2442          * rate (because it came from detailed or CVT info), use that
2443          * instead.  This way we don't have to guess at interlace or
2444          * reduced blanking.
2445          */
2446         list_for_each_entry(m, &connector->probed_modes, head)
2447                 if (m->hdisplay == hsize && m->vdisplay == vsize &&
2448                     drm_mode_vrefresh(m) == vrefresh_rate)
2449                         return NULL;
2450
2451         /* HDTV hack, part 2 */
2452         if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2453                 mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2454                                     false);
2455                 if (!mode)
2456                         return NULL;
2457                 mode->hdisplay = 1366;
2458                 mode->hsync_start = mode->hsync_start - 1;
2459                 mode->hsync_end = mode->hsync_end - 1;
2460                 return mode;
2461         }
2462
2463         /* check whether it can be found in default mode table */
2464         if (drm_monitor_supports_rb(edid)) {
2465                 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2466                                          true);
2467                 if (mode)
2468                         return mode;
2469         }
2470         mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2471         if (mode)
2472                 return mode;
2473
2474         /* okay, generate it */
2475         switch (timing_level) {
2476         case LEVEL_DMT:
2477                 break;
2478         case LEVEL_GTF:
2479                 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2480                 break;
2481         case LEVEL_GTF2:
2482                 /*
2483                  * This is potentially wrong if there's ever a monitor with
2484                  * more than one ranges section, each claiming a different
2485                  * secondary GTF curve.  Please don't do that.
2486                  */
2487                 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2488                 if (!mode)
2489                         return NULL;
2490                 if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2491                         drm_mode_destroy(dev, mode);
2492                         mode = drm_gtf_mode_complex(dev, hsize, vsize,
2493                                                     vrefresh_rate, 0, 0,
2494                                                     drm_gtf2_m(edid),
2495                                                     drm_gtf2_2c(edid),
2496                                                     drm_gtf2_k(edid),
2497                                                     drm_gtf2_2j(edid));
2498                 }
2499                 break;
2500         case LEVEL_CVT:
2501                 mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2502                                     false);
2503                 break;
2504         }
2505         return mode;
2506 }
2507
2508 /*
2509  * EDID is delightfully ambiguous about how interlaced modes are to be
2510  * encoded.  Our internal representation is of frame height, but some
2511  * HDTV detailed timings are encoded as field height.
2512  *
2513  * The format list here is from CEA, in frame size.  Technically we
2514  * should be checking refresh rate too.  Whatever.
2515  */
2516 static void
2517 drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2518                             struct detailed_pixel_timing *pt)
2519 {
2520         int i;
2521         static const struct {
2522                 int w, h;
2523         } cea_interlaced[] = {
2524                 { 1920, 1080 },
2525                 {  720,  480 },
2526                 { 1440,  480 },
2527                 { 2880,  480 },
2528                 {  720,  576 },
2529                 { 1440,  576 },
2530                 { 2880,  576 },
2531         };
2532
2533         if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2534                 return;
2535
2536         for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2537                 if ((mode->hdisplay == cea_interlaced[i].w) &&
2538                     (mode->vdisplay == cea_interlaced[i].h / 2)) {
2539                         mode->vdisplay *= 2;
2540                         mode->vsync_start *= 2;
2541                         mode->vsync_end *= 2;
2542                         mode->vtotal *= 2;
2543                         mode->vtotal |= 1;
2544                 }
2545         }
2546
2547         mode->flags |= DRM_MODE_FLAG_INTERLACE;
2548 }
2549
2550 /**
2551  * drm_mode_detailed - create a new mode from an EDID detailed timing section
2552  * @dev: DRM device (needed to create new mode)
2553  * @edid: EDID block
2554  * @timing: EDID detailed timing info
2555  * @quirks: quirks to apply
2556  *
2557  * An EDID detailed timing block contains enough info for us to create and
2558  * return a new struct drm_display_mode.
2559  */
2560 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2561                                                   struct edid *edid,
2562                                                   struct detailed_timing *timing,
2563                                                   u32 quirks)
2564 {
2565         struct drm_display_mode *mode;
2566         struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2567         unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2568         unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2569         unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2570         unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2571         unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2572         unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2573         unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2574         unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2575
2576         /* ignore tiny modes */
2577         if (hactive < 64 || vactive < 64)
2578                 return NULL;
2579
2580         if (pt->misc & DRM_EDID_PT_STEREO) {
2581                 DRM_DEBUG_KMS("stereo mode not supported\n");
2582                 return NULL;
2583         }
2584         if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2585                 DRM_DEBUG_KMS("composite sync not supported\n");
2586         }
2587
2588         /* it is incorrect if hsync/vsync width is zero */
2589         if (!hsync_pulse_width || !vsync_pulse_width) {
2590                 DRM_DEBUG_KMS("Incorrect Detailed timing. "
2591                                 "Wrong Hsync/Vsync pulse width\n");
2592                 return NULL;
2593         }
2594
2595         if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2596                 mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2597                 if (!mode)
2598                         return NULL;
2599
2600                 goto set_size;
2601         }
2602
2603         mode = drm_mode_create(dev);
2604         if (!mode)
2605                 return NULL;
2606
2607         if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2608                 timing->pixel_clock = cpu_to_le16(1088);
2609
2610         mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2611
2612         mode->hdisplay = hactive;
2613         mode->hsync_start = mode->hdisplay + hsync_offset;
2614         mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2615         mode->htotal = mode->hdisplay + hblank;
2616
2617         mode->vdisplay = vactive;
2618         mode->vsync_start = mode->vdisplay + vsync_offset;
2619         mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2620         mode->vtotal = mode->vdisplay + vblank;
2621
2622         /* Some EDIDs have bogus h/vtotal values */
2623         if (mode->hsync_end > mode->htotal)
2624                 mode->htotal = mode->hsync_end + 1;
2625         if (mode->vsync_end > mode->vtotal)
2626                 mode->vtotal = mode->vsync_end + 1;
2627
2628         drm_mode_do_interlace_quirk(mode, pt);
2629
2630         if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2631                 pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
2632         }
2633
2634         mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2635                 DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2636         mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2637                 DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2638
2639 set_size:
2640         mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2641         mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2642
2643         if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2644                 mode->width_mm *= 10;
2645                 mode->height_mm *= 10;
2646         }
2647
2648         if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2649                 mode->width_mm = edid->width_cm * 10;
2650                 mode->height_mm = edid->height_cm * 10;
2651         }
2652
2653         mode->type = DRM_MODE_TYPE_DRIVER;
2654         drm_mode_set_name(mode);
2655
2656         return mode;
2657 }
2658
2659 static bool
2660 mode_in_hsync_range(const struct drm_display_mode *mode,
2661                     struct edid *edid, u8 *t)
2662 {
2663         int hsync, hmin, hmax;
2664
2665         hmin = t[7];
2666         if (edid->revision >= 4)
2667             hmin += ((t[4] & 0x04) ? 255 : 0);
2668         hmax = t[8];
2669         if (edid->revision >= 4)
2670             hmax += ((t[4] & 0x08) ? 255 : 0);
2671         hsync = drm_mode_hsync(mode);
2672
2673         return (hsync <= hmax && hsync >= hmin);
2674 }
2675
2676 static bool
2677 mode_in_vsync_range(const struct drm_display_mode *mode,
2678                     struct edid *edid, u8 *t)
2679 {
2680         int vsync, vmin, vmax;
2681
2682         vmin = t[5];
2683         if (edid->revision >= 4)
2684             vmin += ((t[4] & 0x01) ? 255 : 0);
2685         vmax = t[6];
2686         if (edid->revision >= 4)
2687             vmax += ((t[4] & 0x02) ? 255 : 0);
2688         vsync = drm_mode_vrefresh(mode);
2689
2690         return (vsync <= vmax && vsync >= vmin);
2691 }
2692
2693 static u32
2694 range_pixel_clock(struct edid *edid, u8 *t)
2695 {
2696         /* unspecified */
2697         if (t[9] == 0 || t[9] == 255)
2698                 return 0;
2699
2700         /* 1.4 with CVT support gives us real precision, yay */
2701         if (edid->revision >= 4 && t[10] == 0x04)
2702                 return (t[9] * 10000) - ((t[12] >> 2) * 250);
2703
2704         /* 1.3 is pathetic, so fuzz up a bit */
2705         return t[9] * 10000 + 5001;
2706 }
2707
2708 static bool
2709 mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2710               struct detailed_timing *timing)
2711 {
2712         u32 max_clock;
2713         u8 *t = (u8 *)timing;
2714
2715         if (!mode_in_hsync_range(mode, edid, t))
2716                 return false;
2717
2718         if (!mode_in_vsync_range(mode, edid, t))
2719                 return false;
2720
2721         if ((max_clock = range_pixel_clock(edid, t)))
2722                 if (mode->clock > max_clock)
2723                         return false;
2724
2725         /* 1.4 max horizontal check */
2726         if (edid->revision >= 4 && t[10] == 0x04)
2727                 if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2728                         return false;
2729
2730         if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2731                 return false;
2732
2733         return true;
2734 }
2735
2736 static bool valid_inferred_mode(const struct drm_connector *connector,
2737                                 const struct drm_display_mode *mode)
2738 {
2739         const struct drm_display_mode *m;
2740         bool ok = false;
2741
2742         list_for_each_entry(m, &connector->probed_modes, head) {
2743                 if (mode->hdisplay == m->hdisplay &&
2744                     mode->vdisplay == m->vdisplay &&
2745                     drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2746                         return false; /* duplicated */
2747                 if (mode->hdisplay <= m->hdisplay &&
2748                     mode->vdisplay <= m->vdisplay)
2749                         ok = true;
2750         }
2751         return ok;
2752 }
2753
2754 static int
2755 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2756                         struct detailed_timing *timing)
2757 {
2758         int i, modes = 0;
2759         struct drm_display_mode *newmode;
2760         struct drm_device *dev = connector->dev;
2761
2762         for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2763                 if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2764                     valid_inferred_mode(connector, drm_dmt_modes + i)) {
2765                         newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2766                         if (newmode) {
2767                                 drm_mode_probed_add(connector, newmode);
2768                                 modes++;
2769                         }
2770                 }
2771         }
2772
2773         return modes;
2774 }
2775
2776 /* fix up 1366x768 mode from 1368x768;
2777  * GFT/CVT can't express 1366 width which isn't dividable by 8
2778  */
2779 void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2780 {
2781         if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2782                 mode->hdisplay = 1366;
2783                 mode->hsync_start--;
2784                 mode->hsync_end--;
2785                 drm_mode_set_name(mode);
2786         }
2787 }
2788
2789 static int
2790 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2791                         struct detailed_timing *timing)
2792 {
2793         int i, modes = 0;
2794         struct drm_display_mode *newmode;
2795         struct drm_device *dev = connector->dev;
2796
2797         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2798                 const struct minimode *m = &extra_modes[i];
2799                 newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2800                 if (!newmode)
2801                         return modes;
2802
2803                 drm_mode_fixup_1366x768(newmode);
2804                 if (!mode_in_range(newmode, edid, timing) ||
2805                     !valid_inferred_mode(connector, newmode)) {
2806                         drm_mode_destroy(dev, newmode);
2807                         continue;
2808                 }
2809
2810                 drm_mode_probed_add(connector, newmode);
2811                 modes++;
2812         }
2813
2814         return modes;
2815 }
2816
2817 static int
2818 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2819                         struct detailed_timing *timing)
2820 {
2821         int i, modes = 0;
2822         struct drm_display_mode *newmode;
2823         struct drm_device *dev = connector->dev;
2824         bool rb = drm_monitor_supports_rb(edid);
2825
2826         for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2827                 const struct minimode *m = &extra_modes[i];
2828                 newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2829                 if (!newmode)
2830                         return modes;
2831
2832                 drm_mode_fixup_1366x768(newmode);
2833                 if (!mode_in_range(newmode, edid, timing) ||
2834                     !valid_inferred_mode(connector, newmode)) {
2835                         drm_mode_destroy(dev, newmode);
2836                         continue;
2837                 }
2838
2839                 drm_mode_probed_add(connector, newmode);
2840                 modes++;
2841         }
2842
2843         return modes;
2844 }
2845
2846 static void
2847 do_inferred_modes(struct detailed_timing *timing, void *c)
2848 {
2849         struct detailed_mode_closure *closure = c;
2850         struct detailed_non_pixel *data = &timing->data.other_data;
2851         struct detailed_data_monitor_range *range = &data->data.range;
2852
2853         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
2854                 return;
2855
2856         closure->modes += drm_dmt_modes_for_range(closure->connector,
2857                                                   closure->edid,
2858                                                   timing);
2859
2860         if (!version_greater(closure->edid, 1, 1))
2861                 return; /* GTF not defined yet */
2862
2863         switch (range->flags) {
2864         case 0x02: /* secondary gtf, XXX could do more */
2865         case 0x00: /* default gtf */
2866                 closure->modes += drm_gtf_modes_for_range(closure->connector,
2867                                                           closure->edid,
2868                                                           timing);
2869                 break;
2870         case 0x04: /* cvt, only in 1.4+ */
2871                 if (!version_greater(closure->edid, 1, 3))
2872                         break;
2873
2874                 closure->modes += drm_cvt_modes_for_range(closure->connector,
2875                                                           closure->edid,
2876                                                           timing);
2877                 break;
2878         case 0x01: /* just the ranges, no formula */
2879         default:
2880                 break;
2881         }
2882 }
2883
2884 static int
2885 add_inferred_modes(struct drm_connector *connector, struct edid *edid)
2886 {
2887         struct detailed_mode_closure closure = {
2888                 .connector = connector,
2889                 .edid = edid,
2890         };
2891
2892         if (version_greater(edid, 1, 0))
2893                 drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
2894                                             &closure);
2895
2896         return closure.modes;
2897 }
2898
2899 static int
2900 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
2901 {
2902         int i, j, m, modes = 0;
2903         struct drm_display_mode *mode;
2904         u8 *est = ((u8 *)timing) + 6;
2905
2906         for (i = 0; i < 6; i++) {
2907                 for (j = 7; j >= 0; j--) {
2908                         m = (i * 8) + (7 - j);
2909                         if (m >= ARRAY_SIZE(est3_modes))
2910                                 break;
2911                         if (est[i] & (1 << j)) {
2912                                 mode = drm_mode_find_dmt(connector->dev,
2913                                                          est3_modes[m].w,
2914                                                          est3_modes[m].h,
2915                                                          est3_modes[m].r,
2916                                                          est3_modes[m].rb);
2917                                 if (mode) {
2918                                         drm_mode_probed_add(connector, mode);
2919                                         modes++;
2920                                 }
2921                         }
2922                 }
2923         }
2924
2925         return modes;
2926 }
2927
2928 static void
2929 do_established_modes(struct detailed_timing *timing, void *c)
2930 {
2931         struct detailed_mode_closure *closure = c;
2932
2933         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_EST_TIMINGS))
2934                 return;
2935
2936         closure->modes += drm_est3_modes(closure->connector, timing);
2937 }
2938
2939 /**
2940  * add_established_modes - get est. modes from EDID and add them
2941  * @connector: connector to add mode(s) to
2942  * @edid: EDID block to scan
2943  *
2944  * Each EDID block contains a bitmap of the supported "established modes" list
2945  * (defined above).  Tease them out and add them to the global modes list.
2946  */
2947 static int
2948 add_established_modes(struct drm_connector *connector, struct edid *edid)
2949 {
2950         struct drm_device *dev = connector->dev;
2951         unsigned long est_bits = edid->established_timings.t1 |
2952                 (edid->established_timings.t2 << 8) |
2953                 ((edid->established_timings.mfg_rsvd & 0x80) << 9);
2954         int i, modes = 0;
2955         struct detailed_mode_closure closure = {
2956                 .connector = connector,
2957                 .edid = edid,
2958         };
2959
2960         for (i = 0; i <= EDID_EST_TIMINGS; i++) {
2961                 if (est_bits & (1<<i)) {
2962                         struct drm_display_mode *newmode;
2963                         newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
2964                         if (newmode) {
2965                                 drm_mode_probed_add(connector, newmode);
2966                                 modes++;
2967                         }
2968                 }
2969         }
2970
2971         if (version_greater(edid, 1, 0))
2972                     drm_for_each_detailed_block((u8 *)edid,
2973                                                 do_established_modes, &closure);
2974
2975         return modes + closure.modes;
2976 }
2977
2978 static void
2979 do_standard_modes(struct detailed_timing *timing, void *c)
2980 {
2981         struct detailed_mode_closure *closure = c;
2982         struct detailed_non_pixel *data = &timing->data.other_data;
2983         struct drm_connector *connector = closure->connector;
2984         struct edid *edid = closure->edid;
2985         int i;
2986
2987         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_STD_MODES))
2988                 return;
2989
2990         for (i = 0; i < 6; i++) {
2991                 struct std_timing *std = &data->data.timings[i];
2992                 struct drm_display_mode *newmode;
2993
2994                 newmode = drm_mode_std(connector, edid, std);
2995                 if (newmode) {
2996                         drm_mode_probed_add(connector, newmode);
2997                         closure->modes++;
2998                 }
2999         }
3000 }
3001
3002 /**
3003  * add_standard_modes - get std. modes from EDID and add them
3004  * @connector: connector to add mode(s) to
3005  * @edid: EDID block to scan
3006  *
3007  * Standard modes can be calculated using the appropriate standard (DMT,
3008  * GTF or CVT. Grab them from @edid and add them to the list.
3009  */
3010 static int
3011 add_standard_modes(struct drm_connector *connector, struct edid *edid)
3012 {
3013         int i, modes = 0;
3014         struct detailed_mode_closure closure = {
3015                 .connector = connector,
3016                 .edid = edid,
3017         };
3018
3019         for (i = 0; i < EDID_STD_TIMINGS; i++) {
3020                 struct drm_display_mode *newmode;
3021
3022                 newmode = drm_mode_std(connector, edid,
3023                                        &edid->standard_timings[i]);
3024                 if (newmode) {
3025                         drm_mode_probed_add(connector, newmode);
3026                         modes++;
3027                 }
3028         }
3029
3030         if (version_greater(edid, 1, 0))
3031                 drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
3032                                             &closure);
3033
3034         /* XXX should also look for standard codes in VTB blocks */
3035
3036         return modes + closure.modes;
3037 }
3038
3039 static int drm_cvt_modes(struct drm_connector *connector,
3040                          struct detailed_timing *timing)
3041 {
3042         int i, j, modes = 0;
3043         struct drm_display_mode *newmode;
3044         struct drm_device *dev = connector->dev;
3045         struct cvt_timing *cvt;
3046         const int rates[] = { 60, 85, 75, 60, 50 };
3047         const u8 empty[3] = { 0, 0, 0 };
3048
3049         for (i = 0; i < 4; i++) {
3050                 int uninitialized_var(width), height;
3051                 cvt = &(timing->data.other_data.data.cvt[i]);
3052
3053                 if (!memcmp(cvt->code, empty, 3))
3054                         continue;
3055
3056                 height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3057                 switch (cvt->code[1] & 0x0c) {
3058                 case 0x00:
3059                         width = height * 4 / 3;
3060                         break;
3061                 case 0x04:
3062                         width = height * 16 / 9;
3063                         break;
3064                 case 0x08:
3065                         width = height * 16 / 10;
3066                         break;
3067                 case 0x0c:
3068                         width = height * 15 / 9;
3069                         break;
3070                 }
3071
3072                 for (j = 1; j < 5; j++) {
3073                         if (cvt->code[2] & (1 << j)) {
3074                                 newmode = drm_cvt_mode(dev, width, height,
3075                                                        rates[j], j == 0,
3076                                                        false, false);
3077                                 if (newmode) {
3078                                         drm_mode_probed_add(connector, newmode);
3079                                         modes++;
3080                                 }
3081                         }
3082                 }
3083         }
3084
3085         return modes;
3086 }
3087
3088 static void
3089 do_cvt_mode(struct detailed_timing *timing, void *c)
3090 {
3091         struct detailed_mode_closure *closure = c;
3092
3093         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_CVT_3BYTE))
3094                 return;
3095
3096         closure->modes += drm_cvt_modes(closure->connector, timing);
3097 }
3098
3099 static int
3100 add_cvt_modes(struct drm_connector *connector, struct edid *edid)
3101 {
3102         struct detailed_mode_closure closure = {
3103                 .connector = connector,
3104                 .edid = edid,
3105         };
3106
3107         if (version_greater(edid, 1, 2))
3108                 drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
3109
3110         /* XXX should also look for CVT codes in VTB blocks */
3111
3112         return closure.modes;
3113 }
3114
3115 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3116
3117 static void
3118 do_detailed_mode(struct detailed_timing *timing, void *c)
3119 {
3120         struct detailed_mode_closure *closure = c;
3121         struct drm_display_mode *newmode;
3122
3123         if (!is_detailed_timing_descriptor((const u8 *)timing))
3124                 return;
3125
3126         newmode = drm_mode_detailed(closure->connector->dev,
3127                                     closure->edid, timing,
3128                                     closure->quirks);
3129         if (!newmode)
3130                 return;
3131
3132         if (closure->preferred)
3133                 newmode->type |= DRM_MODE_TYPE_PREFERRED;
3134
3135         /*
3136          * Detailed modes are limited to 10kHz pixel clock resolution,
3137          * so fix up anything that looks like CEA/HDMI mode, but the clock
3138          * is just slightly off.
3139          */
3140         fixup_detailed_cea_mode_clock(newmode);
3141
3142         drm_mode_probed_add(closure->connector, newmode);
3143         closure->modes++;
3144         closure->preferred = false;
3145 }
3146
3147 /*
3148  * add_detailed_modes - Add modes from detailed timings
3149  * @connector: attached connector
3150  * @edid: EDID block to scan
3151  * @quirks: quirks to apply
3152  */
3153 static int
3154 add_detailed_modes(struct drm_connector *connector, struct edid *edid,
3155                    u32 quirks)
3156 {
3157         struct detailed_mode_closure closure = {
3158                 .connector = connector,
3159                 .edid = edid,
3160                 .preferred = true,
3161                 .quirks = quirks,
3162         };
3163
3164         if (closure.preferred && !version_greater(edid, 1, 3))
3165                 closure.preferred =
3166                     (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3167
3168         drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
3169
3170         return closure.modes;
3171 }
3172
3173 #define AUDIO_BLOCK     0x01
3174 #define VIDEO_BLOCK     0x02
3175 #define VENDOR_BLOCK    0x03
3176 #define SPEAKER_BLOCK   0x04
3177 #define HDR_STATIC_METADATA_BLOCK       0x6
3178 #define USE_EXTENDED_TAG 0x07
3179 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3180 #define EXT_VIDEO_DATA_BLOCK_420        0x0E
3181 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3182 #define EDID_BASIC_AUDIO        (1 << 6)
3183 #define EDID_CEA_YCRCB444       (1 << 5)
3184 #define EDID_CEA_YCRCB422       (1 << 4)
3185 #define EDID_CEA_VCDB_QS        (1 << 6)
3186
3187 /*
3188  * Search EDID for CEA extension block.
3189  */
3190 static u8 *drm_find_edid_extension(const struct edid *edid, int ext_id)
3191 {
3192         u8 *edid_ext = NULL;
3193         int i;
3194
3195         /* No EDID or EDID extensions */
3196         if (edid == NULL || edid->extensions == 0)
3197                 return NULL;
3198
3199         /* Find CEA extension */
3200         for (i = 0; i < edid->extensions; i++) {
3201                 edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
3202                 if (edid_ext[0] == ext_id)
3203                         break;
3204         }
3205
3206         if (i == edid->extensions)
3207                 return NULL;
3208
3209         return edid_ext;
3210 }
3211
3212
3213 static u8 *drm_find_displayid_extension(const struct edid *edid,
3214                                         int *length, int *idx)
3215 {
3216         u8 *displayid = drm_find_edid_extension(edid, DISPLAYID_EXT);
3217         struct displayid_hdr *base;
3218         int ret;
3219
3220         if (!displayid)
3221                 return NULL;
3222
3223         /* EDID extensions block checksum isn't for us */
3224         *length = EDID_LENGTH - 1;
3225         *idx = 1;
3226
3227         ret = validate_displayid(displayid, *length, *idx);
3228         if (ret)
3229                 return NULL;
3230
3231         base = (struct displayid_hdr *)&displayid[*idx];
3232         *length = *idx + sizeof(*base) + base->bytes;
3233
3234         return displayid;
3235 }
3236
3237 static u8 *drm_find_cea_extension(const struct edid *edid)
3238 {
3239         int length, idx;
3240         struct displayid_block *block;
3241         u8 *cea;
3242         u8 *displayid;
3243
3244         /* Look for a top level CEA extension block */
3245         cea = drm_find_edid_extension(edid, CEA_EXT);
3246         if (cea)
3247                 return cea;
3248
3249         /* CEA blocks can also be found embedded in a DisplayID block */
3250         displayid = drm_find_displayid_extension(edid, &length, &idx);
3251         if (!displayid)
3252                 return NULL;
3253
3254         idx += sizeof(struct displayid_hdr);
3255         for_each_displayid_db(displayid, block, idx, length) {
3256                 if (block->tag == DATA_BLOCK_CTA) {
3257                         cea = (u8 *)block;
3258                         break;
3259                 }
3260         }
3261
3262         return cea;
3263 }
3264
3265 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3266 {
3267         BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3268         BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3269
3270         if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3271                 return &edid_cea_modes_1[vic - 1];
3272         if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3273                 return &edid_cea_modes_193[vic - 193];
3274         return NULL;
3275 }
3276
3277 static u8 cea_num_vics(void)
3278 {
3279         return 193 + ARRAY_SIZE(edid_cea_modes_193);
3280 }
3281
3282 static u8 cea_next_vic(u8 vic)
3283 {
3284         if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3285                 vic = 193;
3286         return vic;
3287 }
3288
3289 /*
3290  * Calculate the alternate clock for the CEA mode
3291  * (60Hz vs. 59.94Hz etc.)
3292  */
3293 static unsigned int
3294 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3295 {
3296         unsigned int clock = cea_mode->clock;
3297
3298         if (drm_mode_vrefresh(cea_mode) % 6 != 0)
3299                 return clock;
3300
3301         /*
3302          * edid_cea_modes contains the 59.94Hz
3303          * variant for 240 and 480 line modes,
3304          * and the 60Hz variant otherwise.
3305          */
3306         if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3307                 clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3308         else
3309                 clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3310
3311         return clock;
3312 }
3313
3314 static bool
3315 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3316 {
3317         /*
3318          * For certain VICs the spec allows the vertical
3319          * front porch to vary by one or two lines.
3320          *
3321          * cea_modes[] stores the variant with the shortest
3322          * vertical front porch. We can adjust the mode to
3323          * get the other variants by simply increasing the
3324          * vertical front porch length.
3325          */
3326         BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3327                      cea_mode_for_vic(9)->vtotal != 262 ||
3328                      cea_mode_for_vic(12)->vtotal != 262 ||
3329                      cea_mode_for_vic(13)->vtotal != 262 ||
3330                      cea_mode_for_vic(23)->vtotal != 312 ||
3331                      cea_mode_for_vic(24)->vtotal != 312 ||
3332                      cea_mode_for_vic(27)->vtotal != 312 ||
3333                      cea_mode_for_vic(28)->vtotal != 312);
3334
3335         if (((vic == 8 || vic == 9 ||
3336               vic == 12 || vic == 13) && mode->vtotal < 263) ||
3337             ((vic == 23 || vic == 24 ||
3338               vic == 27 || vic == 28) && mode->vtotal < 314)) {
3339                 mode->vsync_start++;
3340                 mode->vsync_end++;
3341                 mode->vtotal++;
3342
3343                 return true;
3344         }
3345
3346         return false;
3347 }
3348
3349 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3350                                              unsigned int clock_tolerance)
3351 {
3352         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3353         u8 vic;
3354
3355         if (!to_match->clock)
3356                 return 0;
3357
3358         if (to_match->picture_aspect_ratio)
3359                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3360
3361         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3362                 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3363                 unsigned int clock1, clock2;
3364
3365                 /* Check both 60Hz and 59.94Hz */
3366                 clock1 = cea_mode.clock;
3367                 clock2 = cea_mode_alternate_clock(&cea_mode);
3368
3369                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3370                     abs(to_match->clock - clock2) > clock_tolerance)
3371                         continue;
3372
3373                 do {
3374                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3375                                 return vic;
3376                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3377         }
3378
3379         return 0;
3380 }
3381
3382 /**
3383  * drm_match_cea_mode - look for a CEA mode matching given mode
3384  * @to_match: display mode
3385  *
3386  * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3387  * mode.
3388  */
3389 u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3390 {
3391         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3392         u8 vic;
3393
3394         if (!to_match->clock)
3395                 return 0;
3396
3397         if (to_match->picture_aspect_ratio)
3398                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3399
3400         for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3401                 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3402                 unsigned int clock1, clock2;
3403
3404                 /* Check both 60Hz and 59.94Hz */
3405                 clock1 = cea_mode.clock;
3406                 clock2 = cea_mode_alternate_clock(&cea_mode);
3407
3408                 if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3409                     KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3410                         continue;
3411
3412                 do {
3413                         if (drm_mode_match(to_match, &cea_mode, match_flags))
3414                                 return vic;
3415                 } while (cea_mode_alternate_timings(vic, &cea_mode));
3416         }
3417
3418         return 0;
3419 }
3420 EXPORT_SYMBOL(drm_match_cea_mode);
3421
3422 static bool drm_valid_cea_vic(u8 vic)
3423 {
3424         return cea_mode_for_vic(vic) != NULL;
3425 }
3426
3427 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3428 {
3429         const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3430
3431         if (mode)
3432                 return mode->picture_aspect_ratio;
3433
3434         return HDMI_PICTURE_ASPECT_NONE;
3435 }
3436
3437 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3438 {
3439         return edid_4k_modes[video_code].picture_aspect_ratio;
3440 }
3441
3442 /*
3443  * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3444  * specific block).
3445  */
3446 static unsigned int
3447 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3448 {
3449         return cea_mode_alternate_clock(hdmi_mode);
3450 }
3451
3452 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3453                                               unsigned int clock_tolerance)
3454 {
3455         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3456         u8 vic;
3457
3458         if (!to_match->clock)
3459                 return 0;
3460
3461         if (to_match->picture_aspect_ratio)
3462                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3463
3464         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3465                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3466                 unsigned int clock1, clock2;
3467
3468                 /* Make sure to also match alternate clocks */
3469                 clock1 = hdmi_mode->clock;
3470                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3471
3472                 if (abs(to_match->clock - clock1) > clock_tolerance &&
3473                     abs(to_match->clock - clock2) > clock_tolerance)
3474                         continue;
3475
3476                 if (drm_mode_match(to_match, hdmi_mode, match_flags))
3477                         return vic;
3478         }
3479
3480         return 0;
3481 }
3482
3483 /*
3484  * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3485  * @to_match: display mode
3486  *
3487  * An HDMI mode is one defined in the HDMI vendor specific block.
3488  *
3489  * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3490  */
3491 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3492 {
3493         unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3494         u8 vic;
3495
3496         if (!to_match->clock)
3497                 return 0;
3498
3499         if (to_match->picture_aspect_ratio)
3500                 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3501
3502         for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3503                 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3504                 unsigned int clock1, clock2;
3505
3506                 /* Make sure to also match alternate clocks */
3507                 clock1 = hdmi_mode->clock;
3508                 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3509
3510                 if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3511                      KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3512                     drm_mode_match(to_match, hdmi_mode, match_flags))
3513                         return vic;
3514         }
3515         return 0;
3516 }
3517
3518 static bool drm_valid_hdmi_vic(u8 vic)
3519 {
3520         return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3521 }
3522
3523 static int
3524 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3525 {
3526         struct drm_device *dev = connector->dev;
3527         struct drm_display_mode *mode, *tmp;
3528         LIST_HEAD(list);
3529         int modes = 0;
3530
3531         /* Don't add CEA modes if the CEA extension block is missing */
3532         if (!drm_find_cea_extension(edid))
3533                 return 0;
3534
3535         /*
3536          * Go through all probed modes and create a new mode
3537          * with the alternate clock for certain CEA modes.
3538          */
3539         list_for_each_entry(mode, &connector->probed_modes, head) {
3540                 const struct drm_display_mode *cea_mode = NULL;
3541                 struct drm_display_mode *newmode;
3542                 u8 vic = drm_match_cea_mode(mode);
3543                 unsigned int clock1, clock2;
3544
3545                 if (drm_valid_cea_vic(vic)) {
3546                         cea_mode = cea_mode_for_vic(vic);
3547                         clock2 = cea_mode_alternate_clock(cea_mode);
3548                 } else {
3549                         vic = drm_match_hdmi_mode(mode);
3550                         if (drm_valid_hdmi_vic(vic)) {
3551                                 cea_mode = &edid_4k_modes[vic];
3552                                 clock2 = hdmi_mode_alternate_clock(cea_mode);
3553                         }
3554                 }
3555
3556                 if (!cea_mode)
3557                         continue;
3558
3559                 clock1 = cea_mode->clock;
3560
3561                 if (clock1 == clock2)
3562                         continue;
3563
3564                 if (mode->clock != clock1 && mode->clock != clock2)
3565                         continue;
3566
3567                 newmode = drm_mode_duplicate(dev, cea_mode);
3568                 if (!newmode)
3569                         continue;
3570
3571                 /* Carry over the stereo flags */
3572                 newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3573
3574                 /*
3575                  * The current mode could be either variant. Make
3576                  * sure to pick the "other" clock for the new mode.
3577                  */
3578                 if (mode->clock != clock1)
3579                         newmode->clock = clock1;
3580                 else
3581                         newmode->clock = clock2;
3582
3583                 list_add_tail(&newmode->head, &list);
3584         }
3585
3586         list_for_each_entry_safe(mode, tmp, &list, head) {
3587                 list_del(&mode->head);
3588                 drm_mode_probed_add(connector, mode);
3589                 modes++;
3590         }
3591
3592         return modes;
3593 }
3594
3595 static u8 svd_to_vic(u8 svd)
3596 {
3597         /* 0-6 bit vic, 7th bit native mode indicator */
3598         if ((svd >= 1 &&  svd <= 64) || (svd >= 129 && svd <= 192))
3599                 return svd & 127;
3600
3601         return svd;
3602 }
3603
3604 static struct drm_display_mode *
3605 drm_display_mode_from_vic_index(struct drm_connector *connector,
3606                                 const u8 *video_db, u8 video_len,
3607                                 u8 video_index)
3608 {
3609         struct drm_device *dev = connector->dev;
3610         struct drm_display_mode *newmode;
3611         u8 vic;
3612
3613         if (video_db == NULL || video_index >= video_len)
3614                 return NULL;
3615
3616         /* CEA modes are numbered 1..127 */
3617         vic = svd_to_vic(video_db[video_index]);
3618         if (!drm_valid_cea_vic(vic))
3619                 return NULL;
3620
3621         newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3622         if (!newmode)
3623                 return NULL;
3624
3625         return newmode;
3626 }
3627
3628 /*
3629  * do_y420vdb_modes - Parse YCBCR 420 only modes
3630  * @connector: connector corresponding to the HDMI sink
3631  * @svds: start of the data block of CEA YCBCR 420 VDB
3632  * @len: length of the CEA YCBCR 420 VDB
3633  *
3634  * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3635  * which contains modes which can be supported in YCBCR 420
3636  * output format only.
3637  */
3638 static int do_y420vdb_modes(struct drm_connector *connector,
3639                             const u8 *svds, u8 svds_len)
3640 {
3641         int modes = 0, i;
3642         struct drm_device *dev = connector->dev;
3643         struct drm_display_info *info = &connector->display_info;
3644         struct drm_hdmi_info *hdmi = &info->hdmi;
3645
3646         for (i = 0; i < svds_len; i++) {
3647                 u8 vic = svd_to_vic(svds[i]);
3648                 struct drm_display_mode *newmode;
3649
3650                 if (!drm_valid_cea_vic(vic))
3651                         continue;
3652
3653                 newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3654                 if (!newmode)
3655                         break;
3656                 bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3657                 drm_mode_probed_add(connector, newmode);
3658                 modes++;
3659         }
3660
3661         if (modes > 0)
3662                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3663         return modes;
3664 }
3665
3666 /*
3667  * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3668  * @connector: connector corresponding to the HDMI sink
3669  * @vic: CEA vic for the video mode to be added in the map
3670  *
3671  * Makes an entry for a videomode in the YCBCR 420 bitmap
3672  */
3673 static void
3674 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3675 {
3676         u8 vic = svd_to_vic(svd);
3677         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3678
3679         if (!drm_valid_cea_vic(vic))
3680                 return;
3681
3682         bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3683 }
3684
3685 static int
3686 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3687 {
3688         int i, modes = 0;
3689         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3690
3691         for (i = 0; i < len; i++) {
3692                 struct drm_display_mode *mode;
3693                 mode = drm_display_mode_from_vic_index(connector, db, len, i);
3694                 if (mode) {
3695                         /*
3696                          * YCBCR420 capability block contains a bitmap which
3697                          * gives the index of CEA modes from CEA VDB, which
3698                          * can support YCBCR 420 sampling output also (apart
3699                          * from RGB/YCBCR444 etc).
3700                          * For example, if the bit 0 in bitmap is set,
3701                          * first mode in VDB can support YCBCR420 output too.
3702                          * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
3703                          */
3704                         if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
3705                                 drm_add_cmdb_modes(connector, db[i]);
3706
3707                         drm_mode_probed_add(connector, mode);
3708                         modes++;
3709                 }
3710         }
3711
3712         return modes;
3713 }
3714
3715 struct stereo_mandatory_mode {
3716         int width, height, vrefresh;
3717         unsigned int flags;
3718 };
3719
3720 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3721         { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3722         { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3723         { 1920, 1080, 50,
3724           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3725         { 1920, 1080, 60,
3726           DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3727         { 1280, 720,  50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3728         { 1280, 720,  50, DRM_MODE_FLAG_3D_FRAME_PACKING },
3729         { 1280, 720,  60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3730         { 1280, 720,  60, DRM_MODE_FLAG_3D_FRAME_PACKING }
3731 };
3732
3733 static bool
3734 stereo_match_mandatory(const struct drm_display_mode *mode,
3735                        const struct stereo_mandatory_mode *stereo_mode)
3736 {
3737         unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
3738
3739         return mode->hdisplay == stereo_mode->width &&
3740                mode->vdisplay == stereo_mode->height &&
3741                interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
3742                drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
3743 }
3744
3745 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
3746 {
3747         struct drm_device *dev = connector->dev;
3748         const struct drm_display_mode *mode;
3749         struct list_head stereo_modes;
3750         int modes = 0, i;
3751
3752         INIT_LIST_HEAD(&stereo_modes);
3753
3754         list_for_each_entry(mode, &connector->probed_modes, head) {
3755                 for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
3756                         const struct stereo_mandatory_mode *mandatory;
3757                         struct drm_display_mode *new_mode;
3758
3759                         if (!stereo_match_mandatory(mode,
3760                                                     &stereo_mandatory_modes[i]))
3761                                 continue;
3762
3763                         mandatory = &stereo_mandatory_modes[i];
3764                         new_mode = drm_mode_duplicate(dev, mode);
3765                         if (!new_mode)
3766                                 continue;
3767
3768                         new_mode->flags |= mandatory->flags;
3769                         list_add_tail(&new_mode->head, &stereo_modes);
3770                         modes++;
3771                 }
3772         }
3773
3774         list_splice_tail(&stereo_modes, &connector->probed_modes);
3775
3776         return modes;
3777 }
3778
3779 static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
3780 {
3781         struct drm_device *dev = connector->dev;
3782         struct drm_display_mode *newmode;
3783
3784         if (!drm_valid_hdmi_vic(vic)) {
3785                 DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
3786                 return 0;
3787         }
3788
3789         newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
3790         if (!newmode)
3791                 return 0;
3792
3793         drm_mode_probed_add(connector, newmode);
3794
3795         return 1;
3796 }
3797
3798 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
3799                                const u8 *video_db, u8 video_len, u8 video_index)
3800 {
3801         struct drm_display_mode *newmode;
3802         int modes = 0;
3803
3804         if (structure & (1 << 0)) {
3805                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3806                                                           video_len,
3807                                                           video_index);
3808                 if (newmode) {
3809                         newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
3810                         drm_mode_probed_add(connector, newmode);
3811                         modes++;
3812                 }
3813         }
3814         if (structure & (1 << 6)) {
3815                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3816                                                           video_len,
3817                                                           video_index);
3818                 if (newmode) {
3819                         newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3820                         drm_mode_probed_add(connector, newmode);
3821                         modes++;
3822                 }
3823         }
3824         if (structure & (1 << 8)) {
3825                 newmode = drm_display_mode_from_vic_index(connector, video_db,
3826                                                           video_len,
3827                                                           video_index);
3828                 if (newmode) {
3829                         newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3830                         drm_mode_probed_add(connector, newmode);
3831                         modes++;
3832                 }
3833         }
3834
3835         return modes;
3836 }
3837
3838 /*
3839  * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
3840  * @connector: connector corresponding to the HDMI sink
3841  * @db: start of the CEA vendor specific block
3842  * @len: length of the CEA block payload, ie. one can access up to db[len]
3843  *
3844  * Parses the HDMI VSDB looking for modes to add to @connector. This function
3845  * also adds the stereo 3d modes when applicable.
3846  */
3847 static int
3848 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
3849                    const u8 *video_db, u8 video_len)
3850 {
3851         struct drm_display_info *info = &connector->display_info;
3852         int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3853         u8 vic_len, hdmi_3d_len = 0;
3854         u16 mask;
3855         u16 structure_all;
3856
3857         if (len < 8)
3858                 goto out;
3859
3860         /* no HDMI_Video_Present */
3861         if (!(db[8] & (1 << 5)))
3862                 goto out;
3863
3864         /* Latency_Fields_Present */
3865         if (db[8] & (1 << 7))
3866                 offset += 2;
3867
3868         /* I_Latency_Fields_Present */
3869         if (db[8] & (1 << 6))
3870                 offset += 2;
3871
3872         /* the declared length is not long enough for the 2 first bytes
3873          * of additional video format capabilities */
3874         if (len < (8 + offset + 2))
3875                 goto out;
3876
3877         /* 3D_Present */
3878         offset++;
3879         if (db[8 + offset] & (1 << 7)) {
3880                 modes += add_hdmi_mandatory_stereo_modes(connector);
3881
3882                 /* 3D_Multi_present */
3883                 multi_present = (db[8 + offset] & 0x60) >> 5;
3884         }
3885
3886         offset++;
3887         vic_len = db[8 + offset] >> 5;
3888         hdmi_3d_len = db[8 + offset] & 0x1f;
3889
3890         for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
3891                 u8 vic;
3892
3893                 vic = db[9 + offset + i];
3894                 modes += add_hdmi_mode(connector, vic);
3895         }
3896         offset += 1 + vic_len;
3897
3898         if (multi_present == 1)
3899                 multi_len = 2;
3900         else if (multi_present == 2)
3901                 multi_len = 4;
3902         else
3903                 multi_len = 0;
3904
3905         if (len < (8 + offset + hdmi_3d_len - 1))
3906                 goto out;
3907
3908         if (hdmi_3d_len < multi_len)
3909                 goto out;
3910
3911         if (multi_present == 1 || multi_present == 2) {
3912                 /* 3D_Structure_ALL */
3913                 structure_all = (db[8 + offset] << 8) | db[9 + offset];
3914
3915                 /* check if 3D_MASK is present */
3916                 if (multi_present == 2)
3917                         mask = (db[10 + offset] << 8) | db[11 + offset];
3918                 else
3919                         mask = 0xffff;
3920
3921                 for (i = 0; i < 16; i++) {
3922                         if (mask & (1 << i))
3923                                 modes += add_3d_struct_modes(connector,
3924                                                 structure_all,
3925                                                 video_db,
3926                                                 video_len, i);
3927                 }
3928         }
3929
3930         offset += multi_len;
3931
3932         for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
3933                 int vic_index;
3934                 struct drm_display_mode *newmode = NULL;
3935                 unsigned int newflag = 0;
3936                 bool detail_present;
3937
3938                 detail_present = ((db[8 + offset + i] & 0x0f) > 7);
3939
3940                 if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
3941                         break;
3942
3943                 /* 2D_VIC_order_X */
3944                 vic_index = db[8 + offset + i] >> 4;
3945
3946                 /* 3D_Structure_X */
3947                 switch (db[8 + offset + i] & 0x0f) {
3948                 case 0:
3949                         newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
3950                         break;
3951                 case 6:
3952                         newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3953                         break;
3954                 case 8:
3955                         /* 3D_Detail_X */
3956                         if ((db[9 + offset + i] >> 4) == 1)
3957                                 newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3958                         break;
3959                 }
3960
3961                 if (newflag != 0) {
3962                         newmode = drm_display_mode_from_vic_index(connector,
3963                                                                   video_db,
3964                                                                   video_len,
3965                                                                   vic_index);
3966
3967                         if (newmode) {
3968                                 newmode->flags |= newflag;
3969                                 drm_mode_probed_add(connector, newmode);
3970                                 modes++;
3971                         }
3972                 }
3973
3974                 if (detail_present)
3975                         i++;
3976         }
3977
3978 out:
3979         if (modes > 0)
3980                 info->has_hdmi_infoframe = true;
3981         return modes;
3982 }
3983
3984 static int
3985 cea_db_payload_len(const u8 *db)
3986 {
3987         return db[0] & 0x1f;
3988 }
3989
3990 static int
3991 cea_db_extended_tag(const u8 *db)
3992 {
3993         return db[1];
3994 }
3995
3996 static int
3997 cea_db_tag(const u8 *db)
3998 {
3999         return db[0] >> 5;
4000 }
4001
4002 static int
4003 cea_revision(const u8 *cea)
4004 {
4005         /*
4006          * FIXME is this correct for the DispID variant?
4007          * The DispID spec doesn't really specify whether
4008          * this is the revision of the CEA extension or
4009          * the DispID CEA data block. And the only value
4010          * given as an example is 0.
4011          */
4012         return cea[1];
4013 }
4014
4015 static int
4016 cea_db_offsets(const u8 *cea, int *start, int *end)
4017 {
4018         /* DisplayID CTA extension blocks and top-level CEA EDID
4019          * block header definitions differ in the following bytes:
4020          *   1) Byte 2 of the header specifies length differently,
4021          *   2) Byte 3 is only present in the CEA top level block.
4022          *
4023          * The different definitions for byte 2 follow.
4024          *
4025          * DisplayID CTA extension block defines byte 2 as:
4026          *   Number of payload bytes
4027          *
4028          * CEA EDID block defines byte 2 as:
4029          *   Byte number (decimal) within this block where the 18-byte
4030          *   DTDs begin. If no non-DTD data is present in this extension
4031          *   block, the value should be set to 04h (the byte after next).
4032          *   If set to 00h, there are no DTDs present in this block and
4033          *   no non-DTD data.
4034          */
4035         if (cea[0] == DATA_BLOCK_CTA) {
4036                 /*
4037                  * for_each_displayid_db() has already verified
4038                  * that these stay within expected bounds.
4039                  */
4040                 *start = 3;
4041                 *end = *start + cea[2];
4042         } else if (cea[0] == CEA_EXT) {
4043                 /* Data block offset in CEA extension block */
4044                 *start = 4;
4045                 *end = cea[2];
4046                 if (*end == 0)
4047                         *end = 127;
4048                 if (*end < 4 || *end > 127)
4049                         return -ERANGE;
4050         } else {
4051                 return -EOPNOTSUPP;
4052         }
4053
4054         return 0;
4055 }
4056
4057 static bool cea_db_is_hdmi_vsdb(const u8 *db)
4058 {
4059         int hdmi_id;
4060
4061         if (cea_db_tag(db) != VENDOR_BLOCK)
4062                 return false;
4063
4064         if (cea_db_payload_len(db) < 5)
4065                 return false;
4066
4067         hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
4068
4069         return hdmi_id == HDMI_IEEE_OUI;
4070 }
4071
4072 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
4073 {
4074         unsigned int oui;
4075
4076         if (cea_db_tag(db) != VENDOR_BLOCK)
4077                 return false;
4078
4079         if (cea_db_payload_len(db) < 7)
4080                 return false;
4081
4082         oui = db[3] << 16 | db[2] << 8 | db[1];
4083
4084         return oui == HDMI_FORUM_IEEE_OUI;
4085 }
4086
4087 static bool cea_db_is_vcdb(const u8 *db)
4088 {
4089         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4090                 return false;
4091
4092         if (cea_db_payload_len(db) != 2)
4093                 return false;
4094
4095         if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK)
4096                 return false;
4097
4098         return true;
4099 }
4100
4101 static bool cea_db_is_y420cmdb(const u8 *db)
4102 {
4103         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4104                 return false;
4105
4106         if (!cea_db_payload_len(db))
4107                 return false;
4108
4109         if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
4110                 return false;
4111
4112         return true;
4113 }
4114
4115 static bool cea_db_is_y420vdb(const u8 *db)
4116 {
4117         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4118                 return false;
4119
4120         if (!cea_db_payload_len(db))
4121                 return false;
4122
4123         if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
4124                 return false;
4125
4126         return true;
4127 }
4128
4129 #define for_each_cea_db(cea, i, start, end) \
4130         for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
4131
4132 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
4133                                       const u8 *db)
4134 {
4135         struct drm_display_info *info = &connector->display_info;
4136         struct drm_hdmi_info *hdmi = &info->hdmi;
4137         u8 map_len = cea_db_payload_len(db) - 1;
4138         u8 count;
4139         u64 map = 0;
4140
4141         if (map_len == 0) {
4142                 /* All CEA modes support ycbcr420 sampling also.*/
4143                 hdmi->y420_cmdb_map = U64_MAX;
4144                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4145                 return;
4146         }
4147
4148         /*
4149          * This map indicates which of the existing CEA block modes
4150          * from VDB can support YCBCR420 output too. So if bit=0 is
4151          * set, first mode from VDB can support YCBCR420 output too.
4152          * We will parse and keep this map, before parsing VDB itself
4153          * to avoid going through the same block again and again.
4154          *
4155          * Spec is not clear about max possible size of this block.
4156          * Clamping max bitmap block size at 8 bytes. Every byte can
4157          * address 8 CEA modes, in this way this map can address
4158          * 8*8 = first 64 SVDs.
4159          */
4160         if (WARN_ON_ONCE(map_len > 8))
4161                 map_len = 8;
4162
4163         for (count = 0; count < map_len; count++)
4164                 map |= (u64)db[2 + count] << (8 * count);
4165
4166         if (map)
4167                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4168
4169         hdmi->y420_cmdb_map = map;
4170 }
4171
4172 static int
4173 add_cea_modes(struct drm_connector *connector, struct edid *edid)
4174 {
4175         const u8 *cea = drm_find_cea_extension(edid);
4176         const u8 *db, *hdmi = NULL, *video = NULL;
4177         u8 dbl, hdmi_len, video_len = 0;
4178         int modes = 0;
4179
4180         if (cea && cea_revision(cea) >= 3) {
4181                 int i, start, end;
4182
4183                 if (cea_db_offsets(cea, &start, &end))
4184                         return 0;
4185
4186                 for_each_cea_db(cea, i, start, end) {
4187                         db = &cea[i];
4188                         dbl = cea_db_payload_len(db);
4189
4190                         if (cea_db_tag(db) == VIDEO_BLOCK) {
4191                                 video = db + 1;
4192                                 video_len = dbl;
4193                                 modes += do_cea_modes(connector, video, dbl);
4194                         } else if (cea_db_is_hdmi_vsdb(db)) {
4195                                 hdmi = db;
4196                                 hdmi_len = dbl;
4197                         } else if (cea_db_is_y420vdb(db)) {
4198                                 const u8 *vdb420 = &db[2];
4199
4200                                 /* Add 4:2:0(only) modes present in EDID */
4201                                 modes += do_y420vdb_modes(connector,
4202                                                           vdb420,
4203                                                           dbl - 1);
4204                         }
4205                 }
4206         }
4207
4208         /*
4209          * We parse the HDMI VSDB after having added the cea modes as we will
4210          * be patching their flags when the sink supports stereo 3D.
4211          */
4212         if (hdmi)
4213                 modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
4214                                             video_len);
4215
4216         return modes;
4217 }
4218
4219 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
4220 {
4221         const struct drm_display_mode *cea_mode;
4222         int clock1, clock2, clock;
4223         u8 vic;
4224         const char *type;
4225
4226         /*
4227          * allow 5kHz clock difference either way to account for
4228          * the 10kHz clock resolution limit of detailed timings.
4229          */
4230         vic = drm_match_cea_mode_clock_tolerance(mode, 5);
4231         if (drm_valid_cea_vic(vic)) {
4232                 type = "CEA";
4233                 cea_mode = cea_mode_for_vic(vic);
4234                 clock1 = cea_mode->clock;
4235                 clock2 = cea_mode_alternate_clock(cea_mode);
4236         } else {
4237                 vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
4238                 if (drm_valid_hdmi_vic(vic)) {
4239                         type = "HDMI";
4240                         cea_mode = &edid_4k_modes[vic];
4241                         clock1 = cea_mode->clock;
4242                         clock2 = hdmi_mode_alternate_clock(cea_mode);
4243                 } else {
4244                         return;
4245                 }
4246         }
4247
4248         /* pick whichever is closest */
4249         if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
4250                 clock = clock1;
4251         else
4252                 clock = clock2;
4253
4254         if (mode->clock == clock)
4255                 return;
4256
4257         DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
4258                   type, vic, mode->clock, clock);
4259         mode->clock = clock;
4260 }
4261
4262 static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db)
4263 {
4264         if (cea_db_tag(db) != USE_EXTENDED_TAG)
4265                 return false;
4266
4267         if (db[1] != HDR_STATIC_METADATA_BLOCK)
4268                 return false;
4269
4270         if (cea_db_payload_len(db) < 3)
4271                 return false;
4272
4273         return true;
4274 }
4275
4276 static uint8_t eotf_supported(const u8 *edid_ext)
4277 {
4278         return edid_ext[2] &
4279                 (BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
4280                  BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
4281                  BIT(HDMI_EOTF_SMPTE_ST2084) |
4282                  BIT(HDMI_EOTF_BT_2100_HLG));
4283 }
4284
4285 static uint8_t hdr_metadata_type(const u8 *edid_ext)
4286 {
4287         return edid_ext[3] &
4288                 BIT(HDMI_STATIC_METADATA_TYPE1);
4289 }
4290
4291 static void
4292 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
4293 {
4294         u16 len;
4295
4296         len = cea_db_payload_len(db);
4297
4298         connector->hdr_sink_metadata.hdmi_type1.eotf =
4299                                                 eotf_supported(db);
4300         connector->hdr_sink_metadata.hdmi_type1.metadata_type =
4301                                                 hdr_metadata_type(db);
4302
4303         if (len >= 4)
4304                 connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
4305         if (len >= 5)
4306                 connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
4307         if (len >= 6)
4308                 connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
4309 }
4310
4311 static void
4312 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
4313 {
4314         u8 len = cea_db_payload_len(db);
4315
4316         if (len >= 6 && (db[6] & (1 << 7)))
4317                 connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
4318         if (len >= 8) {
4319                 connector->latency_present[0] = db[8] >> 7;
4320                 connector->latency_present[1] = (db[8] >> 6) & 1;
4321         }
4322         if (len >= 9)
4323                 connector->video_latency[0] = db[9];
4324         if (len >= 10)
4325                 connector->audio_latency[0] = db[10];
4326         if (len >= 11)
4327                 connector->video_latency[1] = db[11];
4328         if (len >= 12)
4329                 connector->audio_latency[1] = db[12];
4330
4331         DRM_DEBUG_KMS("HDMI: latency present %d %d, "
4332                       "video latency %d %d, "
4333                       "audio latency %d %d\n",
4334                       connector->latency_present[0],
4335                       connector->latency_present[1],
4336                       connector->video_latency[0],
4337                       connector->video_latency[1],
4338                       connector->audio_latency[0],
4339                       connector->audio_latency[1]);
4340 }
4341
4342 static void
4343 monitor_name(struct detailed_timing *t, void *data)
4344 {
4345         if (!is_display_descriptor((const u8 *)t, EDID_DETAIL_MONITOR_NAME))
4346                 return;
4347
4348         *(u8 **)data = t->data.other_data.data.str.str;
4349 }
4350
4351 static int get_monitor_name(struct edid *edid, char name[13])
4352 {
4353         char *edid_name = NULL;
4354         int mnl;
4355
4356         if (!edid || !name)
4357                 return 0;
4358
4359         drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
4360         for (mnl = 0; edid_name && mnl < 13; mnl++) {
4361                 if (edid_name[mnl] == 0x0a)
4362                         break;
4363
4364                 name[mnl] = edid_name[mnl];
4365         }
4366
4367         return mnl;
4368 }
4369
4370 /**
4371  * drm_edid_get_monitor_name - fetch the monitor name from the edid
4372  * @edid: monitor EDID information
4373  * @name: pointer to a character array to hold the name of the monitor
4374  * @bufsize: The size of the name buffer (should be at least 14 chars.)
4375  *
4376  */
4377 void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
4378 {
4379         int name_length;
4380         char buf[13];
4381
4382         if (bufsize <= 0)
4383                 return;
4384
4385         name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4386         memcpy(name, buf, name_length);
4387         name[name_length] = '\0';
4388 }
4389 EXPORT_SYMBOL(drm_edid_get_monitor_name);
4390
4391 static void clear_eld(struct drm_connector *connector)
4392 {
4393         memset(connector->eld, 0, sizeof(connector->eld));
4394
4395         connector->latency_present[0] = false;
4396         connector->latency_present[1] = false;
4397         connector->video_latency[0] = 0;
4398         connector->audio_latency[0] = 0;
4399         connector->video_latency[1] = 0;
4400         connector->audio_latency[1] = 0;
4401 }
4402
4403 /*
4404  * drm_edid_to_eld - build ELD from EDID
4405  * @connector: connector corresponding to the HDMI/DP sink
4406  * @edid: EDID to parse
4407  *
4408  * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4409  * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4410  */
4411 static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
4412 {
4413         uint8_t *eld = connector->eld;
4414         u8 *cea;
4415         u8 *db;
4416         int total_sad_count = 0;
4417         int mnl;
4418         int dbl;
4419
4420         clear_eld(connector);
4421
4422         if (!edid)
4423                 return;
4424
4425         cea = drm_find_cea_extension(edid);
4426         if (!cea) {
4427                 DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4428                 return;
4429         }
4430
4431         mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4432         DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4433
4434         eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4435         eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4436
4437         eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4438
4439         eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4440         eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4441         eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4442         eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4443
4444         if (cea_revision(cea) >= 3) {
4445                 int i, start, end;
4446                 int sad_count;
4447
4448                 if (cea_db_offsets(cea, &start, &end)) {
4449                         start = 0;
4450                         end = 0;
4451                 }
4452
4453                 for_each_cea_db(cea, i, start, end) {
4454                         db = &cea[i];
4455                         dbl = cea_db_payload_len(db);
4456
4457                         switch (cea_db_tag(db)) {
4458                         case AUDIO_BLOCK:
4459                                 /* Audio Data Block, contains SADs */
4460                                 sad_count = min(dbl / 3, 15 - total_sad_count);
4461                                 if (sad_count >= 1)
4462                                         memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4463                                                &db[1], sad_count * 3);
4464                                 total_sad_count += sad_count;
4465                                 break;
4466                         case SPEAKER_BLOCK:
4467                                 /* Speaker Allocation Data Block */
4468                                 if (dbl >= 1)
4469                                         eld[DRM_ELD_SPEAKER] = db[1];
4470                                 break;
4471                         case VENDOR_BLOCK:
4472                                 /* HDMI Vendor-Specific Data Block */
4473                                 if (cea_db_is_hdmi_vsdb(db))
4474                                         drm_parse_hdmi_vsdb_audio(connector, db);
4475                                 break;
4476                         default:
4477                                 break;
4478                         }
4479                 }
4480         }
4481         eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4482
4483         if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4484             connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4485                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4486         else
4487                 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4488
4489         eld[DRM_ELD_BASELINE_ELD_LEN] =
4490                 DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4491
4492         DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4493                       drm_eld_size(eld), total_sad_count);
4494 }
4495
4496 /**
4497  * drm_edid_to_sad - extracts SADs from EDID
4498  * @edid: EDID to parse
4499  * @sads: pointer that will be set to the extracted SADs
4500  *
4501  * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4502  *
4503  * Note: The returned pointer needs to be freed using kfree().
4504  *
4505  * Return: The number of found SADs or negative number on error.
4506  */
4507 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
4508 {
4509         int count = 0;
4510         int i, start, end, dbl;
4511         u8 *cea;
4512
4513         cea = drm_find_cea_extension(edid);
4514         if (!cea) {
4515                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4516                 return 0;
4517         }
4518
4519         if (cea_revision(cea) < 3) {
4520                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4521                 return 0;
4522         }
4523
4524         if (cea_db_offsets(cea, &start, &end)) {
4525                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4526                 return -EPROTO;
4527         }
4528
4529         for_each_cea_db(cea, i, start, end) {
4530                 u8 *db = &cea[i];
4531
4532                 if (cea_db_tag(db) == AUDIO_BLOCK) {
4533                         int j;
4534                         dbl = cea_db_payload_len(db);
4535
4536                         count = dbl / 3; /* SAD is 3B */
4537                         *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4538                         if (!*sads)
4539                                 return -ENOMEM;
4540                         for (j = 0; j < count; j++) {
4541                                 u8 *sad = &db[1 + j * 3];
4542
4543                                 (*sads)[j].format = (sad[0] & 0x78) >> 3;
4544                                 (*sads)[j].channels = sad[0] & 0x7;
4545                                 (*sads)[j].freq = sad[1] & 0x7F;
4546                                 (*sads)[j].byte2 = sad[2];
4547                         }
4548                         break;
4549                 }
4550         }
4551
4552         return count;
4553 }
4554 EXPORT_SYMBOL(drm_edid_to_sad);
4555
4556 /**
4557  * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4558  * @edid: EDID to parse
4559  * @sadb: pointer to the speaker block
4560  *
4561  * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4562  *
4563  * Note: The returned pointer needs to be freed using kfree().
4564  *
4565  * Return: The number of found Speaker Allocation Blocks or negative number on
4566  * error.
4567  */
4568 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
4569 {
4570         int count = 0;
4571         int i, start, end, dbl;
4572         const u8 *cea;
4573
4574         cea = drm_find_cea_extension(edid);
4575         if (!cea) {
4576                 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4577                 return 0;
4578         }
4579
4580         if (cea_revision(cea) < 3) {
4581                 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4582                 return 0;
4583         }
4584
4585         if (cea_db_offsets(cea, &start, &end)) {
4586                 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4587                 return -EPROTO;
4588         }
4589
4590         for_each_cea_db(cea, i, start, end) {
4591                 const u8 *db = &cea[i];
4592
4593                 if (cea_db_tag(db) == SPEAKER_BLOCK) {
4594                         dbl = cea_db_payload_len(db);
4595
4596                         /* Speaker Allocation Data Block */
4597                         if (dbl == 3) {
4598                                 *sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4599                                 if (!*sadb)
4600                                         return -ENOMEM;
4601                                 count = dbl;
4602                                 break;
4603                         }
4604                 }
4605         }
4606
4607         return count;
4608 }
4609 EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4610
4611 /**
4612  * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4613  * @connector: connector associated with the HDMI/DP sink
4614  * @mode: the display mode
4615  *
4616  * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4617  * the sink doesn't support audio or video.
4618  */
4619 int drm_av_sync_delay(struct drm_connector *connector,
4620                       const struct drm_display_mode *mode)
4621 {
4622         int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4623         int a, v;
4624
4625         if (!connector->latency_present[0])
4626                 return 0;
4627         if (!connector->latency_present[1])
4628                 i = 0;
4629
4630         a = connector->audio_latency[i];
4631         v = connector->video_latency[i];
4632
4633         /*
4634          * HDMI/DP sink doesn't support audio or video?
4635          */
4636         if (a == 255 || v == 255)
4637                 return 0;
4638
4639         /*
4640          * Convert raw EDID values to millisecond.
4641          * Treat unknown latency as 0ms.
4642          */
4643         if (a)
4644                 a = min(2 * (a - 1), 500);
4645         if (v)
4646                 v = min(2 * (v - 1), 500);
4647
4648         return max(v - a, 0);
4649 }
4650 EXPORT_SYMBOL(drm_av_sync_delay);
4651
4652 /**
4653  * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4654  * @edid: monitor EDID information
4655  *
4656  * Parse the CEA extension according to CEA-861-B.
4657  *
4658  * Drivers that have added the modes parsed from EDID to drm_display_info
4659  * should use &drm_display_info.is_hdmi instead of calling this function.
4660  *
4661  * Return: True if the monitor is HDMI, false if not or unknown.
4662  */
4663 bool drm_detect_hdmi_monitor(struct edid *edid)
4664 {
4665         u8 *edid_ext;
4666         int i;
4667         int start_offset, end_offset;
4668
4669         edid_ext = drm_find_cea_extension(edid);
4670         if (!edid_ext)
4671                 return false;
4672
4673         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4674                 return false;
4675
4676         /*
4677          * Because HDMI identifier is in Vendor Specific Block,
4678          * search it from all data blocks of CEA extension.
4679          */
4680         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4681                 if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4682                         return true;
4683         }
4684
4685         return false;
4686 }
4687 EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4688
4689 /**
4690  * drm_detect_monitor_audio - check monitor audio capability
4691  * @edid: EDID block to scan
4692  *
4693  * Monitor should have CEA extension block.
4694  * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
4695  * audio' only. If there is any audio extension block and supported
4696  * audio format, assume at least 'basic audio' support, even if 'basic
4697  * audio' is not defined in EDID.
4698  *
4699  * Return: True if the monitor supports audio, false otherwise.
4700  */
4701 bool drm_detect_monitor_audio(struct edid *edid)
4702 {
4703         u8 *edid_ext;
4704         int i, j;
4705         bool has_audio = false;
4706         int start_offset, end_offset;
4707
4708         edid_ext = drm_find_cea_extension(edid);
4709         if (!edid_ext)
4710                 goto end;
4711
4712         has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0);
4713
4714         if (has_audio) {
4715                 DRM_DEBUG_KMS("Monitor has basic audio support\n");
4716                 goto end;
4717         }
4718
4719         if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4720                 goto end;
4721
4722         for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4723                 if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4724                         has_audio = true;
4725                         for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4726                                 DRM_DEBUG_KMS("CEA audio format %d\n",
4727                                               (edid_ext[i + j] >> 3) & 0xf);
4728                         goto end;
4729                 }
4730         }
4731 end:
4732         return has_audio;
4733 }
4734 EXPORT_SYMBOL(drm_detect_monitor_audio);
4735
4736
4737 /**
4738  * drm_default_rgb_quant_range - default RGB quantization range
4739  * @mode: display mode
4740  *
4741  * Determine the default RGB quantization range for the mode,
4742  * as specified in CEA-861.
4743  *
4744  * Return: The default RGB quantization range for the mode
4745  */
4746 enum hdmi_quantization_range
4747 drm_default_rgb_quant_range(const struct drm_display_mode *mode)
4748 {
4749         /* All CEA modes other than VIC 1 use limited quantization range. */
4750         return drm_match_cea_mode(mode) > 1 ?
4751                 HDMI_QUANTIZATION_RANGE_LIMITED :
4752                 HDMI_QUANTIZATION_RANGE_FULL;
4753 }
4754 EXPORT_SYMBOL(drm_default_rgb_quant_range);
4755
4756 static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
4757 {
4758         struct drm_display_info *info = &connector->display_info;
4759
4760         DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]);
4761
4762         if (db[2] & EDID_CEA_VCDB_QS)
4763                 info->rgb_quant_range_selectable = true;
4764 }
4765
4766 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4767                                                const u8 *db)
4768 {
4769         u8 dc_mask;
4770         struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4771
4772         dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4773         hdmi->y420_dc_modes = dc_mask;
4774 }
4775
4776 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4777                                  const u8 *hf_vsdb)
4778 {
4779         struct drm_display_info *display = &connector->display_info;
4780         struct drm_hdmi_info *hdmi = &display->hdmi;
4781
4782         display->has_hdmi_infoframe = true;
4783
4784         if (hf_vsdb[6] & 0x80) {
4785                 hdmi->scdc.supported = true;
4786                 if (hf_vsdb[6] & 0x40)
4787                         hdmi->scdc.read_request = true;
4788         }
4789
4790         /*
4791          * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4792          * And as per the spec, three factors confirm this:
4793          * * Availability of a HF-VSDB block in EDID (check)
4794          * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4795          * * SCDC support available (let's check)
4796          * Lets check it out.
4797          */
4798
4799         if (hf_vsdb[5]) {
4800                 /* max clock is 5000 KHz times block value */
4801                 u32 max_tmds_clock = hf_vsdb[5] * 5000;
4802                 struct drm_scdc *scdc = &hdmi->scdc;
4803
4804                 if (max_tmds_clock > 340000) {
4805                         display->max_tmds_clock = max_tmds_clock;
4806                         DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4807                                 display->max_tmds_clock);
4808                 }
4809
4810                 if (scdc->supported) {
4811                         scdc->scrambling.supported = true;
4812
4813                         /* Few sinks support scrambling for clocks < 340M */
4814                         if ((hf_vsdb[6] & 0x8))
4815                                 scdc->scrambling.low_rates = true;
4816                 }
4817         }
4818
4819         drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
4820 }
4821
4822 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
4823                                            const u8 *hdmi)
4824 {
4825         struct drm_display_info *info = &connector->display_info;
4826         unsigned int dc_bpc = 0;
4827
4828         /* HDMI supports at least 8 bpc */
4829         info->bpc = 8;
4830
4831         if (cea_db_payload_len(hdmi) < 6)
4832                 return;
4833
4834         if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
4835                 dc_bpc = 10;
4836                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
4837                 DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
4838                           connector->name);
4839         }
4840
4841         if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
4842                 dc_bpc = 12;
4843                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
4844                 DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
4845                           connector->name);
4846         }
4847
4848         if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
4849                 dc_bpc = 16;
4850                 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
4851                 DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
4852                           connector->name);
4853         }
4854
4855         if (dc_bpc == 0) {
4856                 DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
4857                           connector->name);
4858                 return;
4859         }
4860
4861         DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
4862                   connector->name, dc_bpc);
4863         info->bpc = dc_bpc;
4864
4865         /*
4866          * Deep color support mandates RGB444 support for all video
4867          * modes and forbids YCRCB422 support for all video modes per
4868          * HDMI 1.3 spec.
4869          */
4870         info->color_formats = DRM_COLOR_FORMAT_RGB444;
4871
4872         /* YCRCB444 is optional according to spec. */
4873         if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
4874                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4875                 DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
4876                           connector->name);
4877         }
4878
4879         /*
4880          * Spec says that if any deep color mode is supported at all,
4881          * then deep color 36 bit must be supported.
4882          */
4883         if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
4884                 DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
4885                           connector->name);
4886         }
4887 }
4888
4889 static void
4890 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
4891 {
4892         struct drm_display_info *info = &connector->display_info;
4893         u8 len = cea_db_payload_len(db);
4894
4895         info->is_hdmi = true;
4896
4897         if (len >= 6)
4898                 info->dvi_dual = db[6] & 1;
4899         if (len >= 7)
4900                 info->max_tmds_clock = db[7] * 5000;
4901
4902         DRM_DEBUG_KMS("HDMI: DVI dual %d, "
4903                       "max TMDS clock %d kHz\n",
4904                       info->dvi_dual,
4905                       info->max_tmds_clock);
4906
4907         drm_parse_hdmi_deep_color_info(connector, db);
4908 }
4909
4910 static void drm_parse_cea_ext(struct drm_connector *connector,
4911                               const struct edid *edid)
4912 {
4913         struct drm_display_info *info = &connector->display_info;
4914         const u8 *edid_ext;
4915         int i, start, end;
4916
4917         edid_ext = drm_find_cea_extension(edid);
4918         if (!edid_ext)
4919                 return;
4920
4921         info->cea_rev = edid_ext[1];
4922
4923         /* The existence of a CEA block should imply RGB support */
4924         info->color_formats = DRM_COLOR_FORMAT_RGB444;
4925         if (edid_ext[3] & EDID_CEA_YCRCB444)
4926                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4927         if (edid_ext[3] & EDID_CEA_YCRCB422)
4928                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
4929
4930         if (cea_db_offsets(edid_ext, &start, &end))
4931                 return;
4932
4933         for_each_cea_db(edid_ext, i, start, end) {
4934                 const u8 *db = &edid_ext[i];
4935
4936                 if (cea_db_is_hdmi_vsdb(db))
4937                         drm_parse_hdmi_vsdb_video(connector, db);
4938                 if (cea_db_is_hdmi_forum_vsdb(db))
4939                         drm_parse_hdmi_forum_vsdb(connector, db);
4940                 if (cea_db_is_y420cmdb(db))
4941                         drm_parse_y420cmdb_bitmap(connector, db);
4942                 if (cea_db_is_vcdb(db))
4943                         drm_parse_vcdb(connector, db);
4944                 if (cea_db_is_hdmi_hdr_metadata_block(db))
4945                         drm_parse_hdr_metadata_block(connector, db);
4946         }
4947 }
4948
4949 static
4950 void get_monitor_range(struct detailed_timing *timing,
4951                        void *info_monitor_range)
4952 {
4953         struct drm_monitor_range_info *monitor_range = info_monitor_range;
4954         const struct detailed_non_pixel *data = &timing->data.other_data;
4955         const struct detailed_data_monitor_range *range = &data->data.range;
4956
4957         if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
4958                 return;
4959
4960         /*
4961          * Check for flag range limits only. If flag == 1 then
4962          * no additional timing information provided.
4963          * Default GTF, GTF Secondary curve and CVT are not
4964          * supported
4965          */
4966         if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
4967                 return;
4968
4969         monitor_range->min_vfreq = range->min_vfreq;
4970         monitor_range->max_vfreq = range->max_vfreq;
4971 }
4972
4973 static
4974 void drm_get_monitor_range(struct drm_connector *connector,
4975                            const struct edid *edid)
4976 {
4977         struct drm_display_info *info = &connector->display_info;
4978
4979         if (!version_greater(edid, 1, 1))
4980                 return;
4981
4982         drm_for_each_detailed_block((u8 *)edid, get_monitor_range,
4983                                     &info->monitor_range);
4984
4985         DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
4986                       info->monitor_range.min_vfreq,
4987                       info->monitor_range.max_vfreq);
4988 }
4989
4990 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
4991  * all of the values which would have been set from EDID
4992  */
4993 void
4994 drm_reset_display_info(struct drm_connector *connector)
4995 {
4996         struct drm_display_info *info = &connector->display_info;
4997
4998         info->width_mm = 0;
4999         info->height_mm = 0;
5000
5001         info->bpc = 0;
5002         info->color_formats = 0;
5003         info->cea_rev = 0;
5004         info->max_tmds_clock = 0;
5005         info->dvi_dual = false;
5006         info->is_hdmi = false;
5007         info->has_hdmi_infoframe = false;
5008         info->rgb_quant_range_selectable = false;
5009         memset(&info->hdmi, 0, sizeof(info->hdmi));
5010
5011         info->non_desktop = 0;
5012         memset(&info->monitor_range, 0, sizeof(info->monitor_range));
5013 }
5014
5015 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
5016 {
5017         struct drm_display_info *info = &connector->display_info;
5018
5019         u32 quirks = edid_get_quirks(edid);
5020
5021         drm_reset_display_info(connector);
5022
5023         info->width_mm = edid->width_cm * 10;
5024         info->height_mm = edid->height_cm * 10;
5025
5026         info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
5027
5028         drm_get_monitor_range(connector, edid);
5029
5030         DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
5031
5032         if (edid->revision < 3)
5033                 return quirks;
5034
5035         if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
5036                 return quirks;
5037
5038         drm_parse_cea_ext(connector, edid);
5039
5040         /*
5041          * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
5042          *
5043          * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
5044          * tells us to assume 8 bpc color depth if the EDID doesn't have
5045          * extensions which tell otherwise.
5046          */
5047         if (info->bpc == 0 && edid->revision == 3 &&
5048             edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
5049                 info->bpc = 8;
5050                 DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
5051                           connector->name, info->bpc);
5052         }
5053
5054         /* Only defined for 1.4 with digital displays */
5055         if (edid->revision < 4)
5056                 return quirks;
5057
5058         switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
5059         case DRM_EDID_DIGITAL_DEPTH_6:
5060                 info->bpc = 6;
5061                 break;
5062         case DRM_EDID_DIGITAL_DEPTH_8:
5063                 info->bpc = 8;
5064                 break;
5065         case DRM_EDID_DIGITAL_DEPTH_10:
5066                 info->bpc = 10;
5067                 break;
5068         case DRM_EDID_DIGITAL_DEPTH_12:
5069                 info->bpc = 12;
5070                 break;
5071         case DRM_EDID_DIGITAL_DEPTH_14:
5072                 info->bpc = 14;
5073                 break;
5074         case DRM_EDID_DIGITAL_DEPTH_16:
5075                 info->bpc = 16;
5076                 break;
5077         case DRM_EDID_DIGITAL_DEPTH_UNDEF:
5078         default:
5079                 info->bpc = 0;
5080                 break;
5081         }
5082
5083         DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
5084                           connector->name, info->bpc);
5085
5086         info->color_formats |= DRM_COLOR_FORMAT_RGB444;
5087         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
5088                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5089         if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
5090                 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5091         return quirks;
5092 }
5093
5094 static int validate_displayid(u8 *displayid, int length, int idx)
5095 {
5096         int i, dispid_length;
5097         u8 csum = 0;
5098         struct displayid_hdr *base;
5099
5100         base = (struct displayid_hdr *)&displayid[idx];
5101
5102         DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n",
5103                       base->rev, base->bytes, base->prod_id, base->ext_count);
5104
5105         /* +1 for DispID checksum */
5106         dispid_length = sizeof(*base) + base->bytes + 1;
5107         if (dispid_length > length - idx)
5108                 return -EINVAL;
5109
5110         for (i = 0; i < dispid_length; i++)
5111                 csum += displayid[idx + i];
5112         if (csum) {
5113                 DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum);
5114                 return -EINVAL;
5115         }
5116
5117         return 0;
5118 }
5119
5120 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5121                                                             struct displayid_detailed_timings_1 *timings)
5122 {
5123         struct drm_display_mode *mode;
5124         unsigned pixel_clock = (timings->pixel_clock[0] |
5125                                 (timings->pixel_clock[1] << 8) |
5126                                 (timings->pixel_clock[2] << 16));
5127         unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5128         unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5129         unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5130         unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5131         unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5132         unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5133         unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5134         unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5135         bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5136         bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5137         mode = drm_mode_create(dev);
5138         if (!mode)
5139                 return NULL;
5140
5141         mode->clock = pixel_clock * 10;
5142         mode->hdisplay = hactive;
5143         mode->hsync_start = mode->hdisplay + hsync;
5144         mode->hsync_end = mode->hsync_start + hsync_width;
5145         mode->htotal = mode->hdisplay + hblank;
5146
5147         mode->vdisplay = vactive;
5148         mode->vsync_start = mode->vdisplay + vsync;
5149         mode->vsync_end = mode->vsync_start + vsync_width;
5150         mode->vtotal = mode->vdisplay + vblank;
5151
5152         mode->flags = 0;
5153         mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5154         mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5155         mode->type = DRM_MODE_TYPE_DRIVER;
5156
5157         if (timings->flags & 0x80)
5158                 mode->type |= DRM_MODE_TYPE_PREFERRED;
5159         drm_mode_set_name(mode);
5160
5161         return mode;
5162 }
5163
5164 static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5165                                           struct displayid_block *block)
5166 {
5167         struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5168         int i;
5169         int num_timings;
5170         struct drm_display_mode *newmode;
5171         int num_modes = 0;
5172         /* blocks must be multiple of 20 bytes length */
5173         if (block->num_bytes % 20)
5174                 return 0;
5175
5176         num_timings = block->num_bytes / 20;
5177         for (i = 0; i < num_timings; i++) {
5178                 struct displayid_detailed_timings_1 *timings = &det->timings[i];
5179
5180                 newmode = drm_mode_displayid_detailed(connector->dev, timings);
5181                 if (!newmode)
5182                         continue;
5183
5184                 drm_mode_probed_add(connector, newmode);
5185                 num_modes++;
5186         }
5187         return num_modes;
5188 }
5189
5190 static int add_displayid_detailed_modes(struct drm_connector *connector,
5191                                         struct edid *edid)
5192 {
5193         u8 *displayid;
5194         int length, idx;
5195         struct displayid_block *block;
5196         int num_modes = 0;
5197
5198         displayid = drm_find_displayid_extension(edid, &length, &idx);
5199         if (!displayid)
5200                 return 0;
5201
5202         idx += sizeof(struct displayid_hdr);
5203         for_each_displayid_db(displayid, block, idx, length) {
5204                 switch (block->tag) {
5205                 case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5206                         num_modes += add_displayid_detailed_1_modes(connector, block);
5207                         break;
5208                 }
5209         }
5210         return num_modes;
5211 }
5212
5213 /**
5214  * drm_add_edid_modes - add modes from EDID data, if available
5215  * @connector: connector we're probing
5216  * @edid: EDID data
5217  *
5218  * Add the specified modes to the connector's mode list. Also fills out the
5219  * &drm_display_info structure and ELD in @connector with any information which
5220  * can be derived from the edid.
5221  *
5222  * Return: The number of modes added or 0 if we couldn't find any.
5223  */
5224 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5225 {
5226         int num_modes = 0;
5227         u32 quirks;
5228
5229         if (edid == NULL) {
5230                 clear_eld(connector);
5231                 return 0;
5232         }
5233         if (!drm_edid_is_valid(edid)) {
5234                 clear_eld(connector);
5235                 dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
5236                          connector->name);
5237                 return 0;
5238         }
5239
5240         drm_edid_to_eld(connector, edid);
5241
5242         /*
5243          * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5244          * To avoid multiple parsing of same block, lets parse that map
5245          * from sink info, before parsing CEA modes.
5246          */
5247         quirks = drm_add_display_info(connector, edid);
5248
5249         /*
5250          * EDID spec says modes should be preferred in this order:
5251          * - preferred detailed mode
5252          * - other detailed modes from base block
5253          * - detailed modes from extension blocks
5254          * - CVT 3-byte code modes
5255          * - standard timing codes
5256          * - established timing codes
5257          * - modes inferred from GTF or CVT range information
5258          *
5259          * We get this pretty much right.
5260          *
5261          * XXX order for additional mode types in extension blocks?
5262          */
5263         num_modes += add_detailed_modes(connector, edid, quirks);
5264         num_modes += add_cvt_modes(connector, edid);
5265         num_modes += add_standard_modes(connector, edid);
5266         num_modes += add_established_modes(connector, edid);
5267         num_modes += add_cea_modes(connector, edid);
5268         num_modes += add_alternate_cea_modes(connector, edid);
5269         num_modes += add_displayid_detailed_modes(connector, edid);
5270         if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5271                 num_modes += add_inferred_modes(connector, edid);
5272
5273         if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5274                 edid_fixup_preferred(connector, quirks);
5275
5276         if (quirks & EDID_QUIRK_FORCE_6BPC)
5277                 connector->display_info.bpc = 6;
5278
5279         if (quirks & EDID_QUIRK_FORCE_8BPC)
5280                 connector->display_info.bpc = 8;
5281
5282         if (quirks & EDID_QUIRK_FORCE_10BPC)
5283                 connector->display_info.bpc = 10;
5284
5285         if (quirks & EDID_QUIRK_FORCE_12BPC)
5286                 connector->display_info.bpc = 12;
5287
5288         return num_modes;
5289 }
5290 EXPORT_SYMBOL(drm_add_edid_modes);
5291
5292 /**
5293  * drm_add_modes_noedid - add modes for the connectors without EDID
5294  * @connector: connector we're probing
5295  * @hdisplay: the horizontal display limit
5296  * @vdisplay: the vertical display limit
5297  *
5298  * Add the specified modes to the connector's mode list. Only when the
5299  * hdisplay/vdisplay is not beyond the given limit, it will be added.
5300  *
5301  * Return: The number of modes added or 0 if we couldn't find any.
5302  */
5303 int drm_add_modes_noedid(struct drm_connector *connector,
5304                         int hdisplay, int vdisplay)
5305 {
5306         int i, count, num_modes = 0;
5307         struct drm_display_mode *mode;
5308         struct drm_device *dev = connector->dev;
5309
5310         count = ARRAY_SIZE(drm_dmt_modes);
5311         if (hdisplay < 0)
5312                 hdisplay = 0;
5313         if (vdisplay < 0)
5314                 vdisplay = 0;
5315
5316         for (i = 0; i < count; i++) {
5317                 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5318                 if (hdisplay && vdisplay) {
5319                         /*
5320                          * Only when two are valid, they will be used to check
5321                          * whether the mode should be added to the mode list of
5322                          * the connector.
5323                          */
5324                         if (ptr->hdisplay > hdisplay ||
5325                                         ptr->vdisplay > vdisplay)
5326                                 continue;
5327                 }
5328                 if (drm_mode_vrefresh(ptr) > 61)
5329                         continue;
5330                 mode = drm_mode_duplicate(dev, ptr);
5331                 if (mode) {
5332                         drm_mode_probed_add(connector, mode);
5333                         num_modes++;
5334                 }
5335         }
5336         return num_modes;
5337 }
5338 EXPORT_SYMBOL(drm_add_modes_noedid);
5339
5340 /**
5341  * drm_set_preferred_mode - Sets the preferred mode of a connector
5342  * @connector: connector whose mode list should be processed
5343  * @hpref: horizontal resolution of preferred mode
5344  * @vpref: vertical resolution of preferred mode
5345  *
5346  * Marks a mode as preferred if it matches the resolution specified by @hpref
5347  * and @vpref.
5348  */
5349 void drm_set_preferred_mode(struct drm_connector *connector,
5350                            int hpref, int vpref)
5351 {
5352         struct drm_display_mode *mode;
5353
5354         list_for_each_entry(mode, &connector->probed_modes, head) {
5355                 if (mode->hdisplay == hpref &&
5356                     mode->vdisplay == vpref)
5357                         mode->type |= DRM_MODE_TYPE_PREFERRED;
5358         }
5359 }
5360 EXPORT_SYMBOL(drm_set_preferred_mode);
5361
5362 static bool is_hdmi2_sink(struct drm_connector *connector)
5363 {
5364         /*
5365          * FIXME: sil-sii8620 doesn't have a connector around when
5366          * we need one, so we have to be prepared for a NULL connector.
5367          */
5368         if (!connector)
5369                 return true;
5370
5371         return connector->display_info.hdmi.scdc.supported ||
5372                 connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420;
5373 }
5374
5375 static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
5376 {
5377         return sink_eotf & BIT(output_eotf);
5378 }
5379
5380 /**
5381  * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
5382  *                                         HDR metadata from userspace
5383  * @frame: HDMI DRM infoframe
5384  * @conn_state: Connector state containing HDR metadata
5385  *
5386  * Return: 0 on success or a negative error code on failure.
5387  */
5388 int
5389 drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
5390                                     const struct drm_connector_state *conn_state)
5391 {
5392         struct drm_connector *connector;
5393         struct hdr_output_metadata *hdr_metadata;
5394         int err;
5395
5396         if (!frame || !conn_state)
5397                 return -EINVAL;
5398
5399         connector = conn_state->connector;
5400
5401         if (!conn_state->hdr_output_metadata)
5402                 return -EINVAL;
5403
5404         hdr_metadata = conn_state->hdr_output_metadata->data;
5405
5406         if (!hdr_metadata || !connector)
5407                 return -EINVAL;
5408
5409         /* Sink EOTF is Bit map while infoframe is absolute values */
5410         if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
5411             connector->hdr_sink_metadata.hdmi_type1.eotf)) {
5412                 DRM_DEBUG_KMS("EOTF Not Supported\n");
5413                 return -EINVAL;
5414         }
5415
5416         err = hdmi_drm_infoframe_init(frame);
5417         if (err < 0)
5418                 return err;
5419
5420         frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
5421         frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
5422
5423         BUILD_BUG_ON(sizeof(frame->display_primaries) !=
5424                      sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
5425         BUILD_BUG_ON(sizeof(frame->white_point) !=
5426                      sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
5427
5428         memcpy(&frame->display_primaries,
5429                &hdr_metadata->hdmi_metadata_type1.display_primaries,
5430                sizeof(frame->display_primaries));
5431
5432         memcpy(&frame->white_point,
5433                &hdr_metadata->hdmi_metadata_type1.white_point,
5434                sizeof(frame->white_point));
5435
5436         frame->max_display_mastering_luminance =
5437                 hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
5438         frame->min_display_mastering_luminance =
5439                 hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
5440         frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
5441         frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
5442
5443         return 0;
5444 }
5445 EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
5446
5447 static u8 drm_mode_hdmi_vic(struct drm_connector *connector,
5448                             const struct drm_display_mode *mode)
5449 {
5450         bool has_hdmi_infoframe = connector ?
5451                 connector->display_info.has_hdmi_infoframe : false;
5452
5453         if (!has_hdmi_infoframe)
5454                 return 0;
5455
5456         /* No HDMI VIC when signalling 3D video format */
5457         if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5458                 return 0;
5459
5460         return drm_match_hdmi_mode(mode);
5461 }
5462
5463 static u8 drm_mode_cea_vic(struct drm_connector *connector,
5464                            const struct drm_display_mode *mode)
5465 {
5466         u8 vic;
5467
5468         /*
5469          * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5470          * we should send its VIC in vendor infoframes, else send the
5471          * VIC in AVI infoframes. Lets check if this mode is present in
5472          * HDMI 1.4b 4K modes
5473          */
5474         if (drm_mode_hdmi_vic(connector, mode))
5475                 return 0;
5476
5477         vic = drm_match_cea_mode(mode);
5478
5479         /*
5480          * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5481          * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5482          * have to make sure we dont break HDMI 1.4 sinks.
5483          */
5484         if (!is_hdmi2_sink(connector) && vic > 64)
5485                 return 0;
5486
5487         return vic;
5488 }
5489
5490 /**
5491  * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5492  *                                              data from a DRM display mode
5493  * @frame: HDMI AVI infoframe
5494  * @connector: the connector
5495  * @mode: DRM display mode
5496  *
5497  * Return: 0 on success or a negative error code on failure.
5498  */
5499 int
5500 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5501                                          struct drm_connector *connector,
5502                                          const struct drm_display_mode *mode)
5503 {
5504         enum hdmi_picture_aspect picture_aspect;
5505         u8 vic, hdmi_vic;
5506
5507         if (!frame || !mode)
5508                 return -EINVAL;
5509
5510         hdmi_avi_infoframe_init(frame);
5511
5512         if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5513                 frame->pixel_repeat = 1;
5514
5515         vic = drm_mode_cea_vic(connector, mode);
5516         hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5517
5518         frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5519
5520         /*
5521          * As some drivers don't support atomic, we can't use connector state.
5522          * So just initialize the frame with default values, just the same way
5523          * as it's done with other properties here.
5524          */
5525         frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5526         frame->itc = 0;
5527
5528         /*
5529          * Populate picture aspect ratio from either
5530          * user input (if specified) or from the CEA/HDMI mode lists.
5531          */
5532         picture_aspect = mode->picture_aspect_ratio;
5533         if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5534                 if (vic)
5535                         picture_aspect = drm_get_cea_aspect_ratio(vic);
5536                 else if (hdmi_vic)
5537                         picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5538         }
5539
5540         /*
5541          * The infoframe can't convey anything but none, 4:3
5542          * and 16:9, so if the user has asked for anything else
5543          * we can only satisfy it by specifying the right VIC.
5544          */
5545         if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5546                 if (vic) {
5547                         if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5548                                 return -EINVAL;
5549                 } else if (hdmi_vic) {
5550                         if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5551                                 return -EINVAL;
5552                 } else {
5553                         return -EINVAL;
5554                 }
5555
5556                 picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5557         }
5558
5559         frame->video_code = vic;
5560         frame->picture_aspect = picture_aspect;
5561         frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5562         frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5563
5564         return 0;
5565 }
5566 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5567
5568 /* HDMI Colorspace Spec Definitions */
5569 #define FULL_COLORIMETRY_MASK           0x1FF
5570 #define NORMAL_COLORIMETRY_MASK         0x3
5571 #define EXTENDED_COLORIMETRY_MASK       0x7
5572 #define EXTENDED_ACE_COLORIMETRY_MASK   0xF
5573
5574 #define C(x) ((x) << 0)
5575 #define EC(x) ((x) << 2)
5576 #define ACE(x) ((x) << 5)
5577
5578 #define HDMI_COLORIMETRY_NO_DATA                0x0
5579 #define HDMI_COLORIMETRY_SMPTE_170M_YCC         (C(1) | EC(0) | ACE(0))
5580 #define HDMI_COLORIMETRY_BT709_YCC              (C(2) | EC(0) | ACE(0))
5581 #define HDMI_COLORIMETRY_XVYCC_601              (C(3) | EC(0) | ACE(0))
5582 #define HDMI_COLORIMETRY_XVYCC_709              (C(3) | EC(1) | ACE(0))
5583 #define HDMI_COLORIMETRY_SYCC_601               (C(3) | EC(2) | ACE(0))
5584 #define HDMI_COLORIMETRY_OPYCC_601              (C(3) | EC(3) | ACE(0))
5585 #define HDMI_COLORIMETRY_OPRGB                  (C(3) | EC(4) | ACE(0))
5586 #define HDMI_COLORIMETRY_BT2020_CYCC            (C(3) | EC(5) | ACE(0))
5587 #define HDMI_COLORIMETRY_BT2020_RGB             (C(3) | EC(6) | ACE(0))
5588 #define HDMI_COLORIMETRY_BT2020_YCC             (C(3) | EC(6) | ACE(0))
5589 #define HDMI_COLORIMETRY_DCI_P3_RGB_D65         (C(3) | EC(7) | ACE(0))
5590 #define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER     (C(3) | EC(7) | ACE(1))
5591
5592 static const u32 hdmi_colorimetry_val[] = {
5593         [DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
5594         [DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
5595         [DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
5596         [DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
5597         [DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
5598         [DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
5599         [DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
5600         [DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
5601         [DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
5602         [DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
5603         [DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
5604 };
5605
5606 #undef C
5607 #undef EC
5608 #undef ACE
5609
5610 /**
5611  * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe
5612  *                                       colorspace information
5613  * @frame: HDMI AVI infoframe
5614  * @conn_state: connector state
5615  */
5616 void
5617 drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
5618                                   const struct drm_connector_state *conn_state)
5619 {
5620         u32 colorimetry_val;
5621         u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
5622
5623         if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
5624                 colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
5625         else
5626                 colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
5627
5628         frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
5629         /*
5630          * ToDo: Extend it for ACE formats as well. Modify the infoframe
5631          * structure and extend it in drivers/video/hdmi
5632          */
5633         frame->extended_colorimetry = (colorimetry_val >> 2) &
5634                                         EXTENDED_COLORIMETRY_MASK;
5635 }
5636 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
5637
5638 /**
5639  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5640  *                                        quantization range information
5641  * @frame: HDMI AVI infoframe
5642  * @connector: the connector
5643  * @mode: DRM display mode
5644  * @rgb_quant_range: RGB quantization range (Q)
5645  */
5646 void
5647 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5648                                    struct drm_connector *connector,
5649                                    const struct drm_display_mode *mode,
5650                                    enum hdmi_quantization_range rgb_quant_range)
5651 {
5652         const struct drm_display_info *info = &connector->display_info;
5653
5654         /*
5655          * CEA-861:
5656          * "A Source shall not send a non-zero Q value that does not correspond
5657          *  to the default RGB Quantization Range for the transmitted Picture
5658          *  unless the Sink indicates support for the Q bit in a Video
5659          *  Capabilities Data Block."
5660          *
5661          * HDMI 2.0 recommends sending non-zero Q when it does match the
5662          * default RGB quantization range for the mode, even when QS=0.
5663          */
5664         if (info->rgb_quant_range_selectable ||
5665             rgb_quant_range == drm_default_rgb_quant_range(mode))
5666                 frame->quantization_range = rgb_quant_range;
5667         else
5668                 frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5669
5670         /*
5671          * CEA-861-F:
5672          * "When transmitting any RGB colorimetry, the Source should set the
5673          *  YQ-field to match the RGB Quantization Range being transmitted
5674          *  (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5675          *  set YQ=1) and the Sink shall ignore the YQ-field."
5676          *
5677          * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5678          * by non-zero YQ when receiving RGB. There doesn't seem to be any
5679          * good way to tell which version of CEA-861 the sink supports, so
5680          * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5681          * on on CEA-861-F.
5682          */
5683         if (!is_hdmi2_sink(connector) ||
5684             rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5685                 frame->ycc_quantization_range =
5686                         HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5687         else
5688                 frame->ycc_quantization_range =
5689                         HDMI_YCC_QUANTIZATION_RANGE_FULL;
5690 }
5691 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5692
5693 /**
5694  * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
5695  *                                 bar information
5696  * @frame: HDMI AVI infoframe
5697  * @conn_state: connector state
5698  */
5699 void
5700 drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
5701                             const struct drm_connector_state *conn_state)
5702 {
5703         frame->right_bar = conn_state->tv.margins.right;
5704         frame->left_bar = conn_state->tv.margins.left;
5705         frame->top_bar = conn_state->tv.margins.top;
5706         frame->bottom_bar = conn_state->tv.margins.bottom;
5707 }
5708 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
5709
5710 static enum hdmi_3d_structure
5711 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5712 {
5713         u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5714
5715         switch (layout) {
5716         case DRM_MODE_FLAG_3D_FRAME_PACKING:
5717                 return HDMI_3D_STRUCTURE_FRAME_PACKING;
5718         case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
5719                 return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
5720         case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
5721                 return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
5722         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
5723                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
5724         case DRM_MODE_FLAG_3D_L_DEPTH:
5725                 return HDMI_3D_STRUCTURE_L_DEPTH;
5726         case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
5727                 return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
5728         case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
5729                 return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
5730         case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
5731                 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
5732         default:
5733                 return HDMI_3D_STRUCTURE_INVALID;
5734         }
5735 }
5736
5737 /**
5738  * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
5739  * data from a DRM display mode
5740  * @frame: HDMI vendor infoframe
5741  * @connector: the connector
5742  * @mode: DRM display mode
5743  *
5744  * Note that there's is a need to send HDMI vendor infoframes only when using a
5745  * 4k or stereoscopic 3D mode. So when giving any other mode as input this
5746  * function will return -EINVAL, error that can be safely ignored.
5747  *
5748  * Return: 0 on success or a negative error code on failure.
5749  */
5750 int
5751 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5752                                             struct drm_connector *connector,
5753                                             const struct drm_display_mode *mode)
5754 {
5755         /*
5756          * FIXME: sil-sii8620 doesn't have a connector around when
5757          * we need one, so we have to be prepared for a NULL connector.
5758          */
5759         bool has_hdmi_infoframe = connector ?
5760                 connector->display_info.has_hdmi_infoframe : false;
5761         int err;
5762
5763         if (!frame || !mode)
5764                 return -EINVAL;
5765
5766         if (!has_hdmi_infoframe)
5767                 return -EINVAL;
5768
5769         err = hdmi_vendor_infoframe_init(frame);
5770         if (err < 0)
5771                 return err;
5772
5773         /*
5774          * Even if it's not absolutely necessary to send the infoframe
5775          * (ie.vic==0 and s3d_struct==0) we will still send it if we
5776          * know that the sink can handle it. This is based on a
5777          * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
5778          * have trouble realizing that they shuld switch from 3D to 2D
5779          * mode if the source simply stops sending the infoframe when
5780          * it wants to switch from 3D to 2D.
5781          */
5782         frame->vic = drm_mode_hdmi_vic(connector, mode);
5783         frame->s3d_struct = s3d_structure_from_display_mode(mode);
5784
5785         return 0;
5786 }
5787 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5788
5789 static int drm_parse_tiled_block(struct drm_connector *connector,
5790                                  const struct displayid_block *block)
5791 {
5792         const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
5793         u16 w, h;
5794         u8 tile_v_loc, tile_h_loc;
5795         u8 num_v_tile, num_h_tile;
5796         struct drm_tile_group *tg;
5797
5798         w = tile->tile_size[0] | tile->tile_size[1] << 8;
5799         h = tile->tile_size[2] | tile->tile_size[3] << 8;
5800
5801         num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
5802         num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
5803         tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
5804         tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
5805
5806         connector->has_tile = true;
5807         if (tile->tile_cap & 0x80)
5808                 connector->tile_is_single_monitor = true;
5809
5810         connector->num_h_tile = num_h_tile + 1;
5811         connector->num_v_tile = num_v_tile + 1;
5812         connector->tile_h_loc = tile_h_loc;
5813         connector->tile_v_loc = tile_v_loc;
5814         connector->tile_h_size = w + 1;
5815         connector->tile_v_size = h + 1;
5816
5817         DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
5818         DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
5819         DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
5820                       num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
5821         DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
5822
5823         tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
5824         if (!tg) {
5825                 tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
5826         }
5827         if (!tg)
5828                 return -ENOMEM;
5829
5830         if (connector->tile_group != tg) {
5831                 /* if we haven't got a pointer,
5832                    take the reference, drop ref to old tile group */
5833                 if (connector->tile_group) {
5834                         drm_mode_put_tile_group(connector->dev, connector->tile_group);
5835                 }
5836                 connector->tile_group = tg;
5837         } else
5838                 /* if same tile group, then release the ref we just took. */
5839                 drm_mode_put_tile_group(connector->dev, tg);
5840         return 0;
5841 }
5842
5843 static int drm_displayid_parse_tiled(struct drm_connector *connector,
5844                                      const u8 *displayid, int length, int idx)
5845 {
5846         const struct displayid_block *block;
5847         int ret;
5848
5849         idx += sizeof(struct displayid_hdr);
5850         for_each_displayid_db(displayid, block, idx, length) {
5851                 DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n",
5852                               block->tag, block->rev, block->num_bytes);
5853
5854                 switch (block->tag) {
5855                 case DATA_BLOCK_TILED_DISPLAY:
5856                         ret = drm_parse_tiled_block(connector, block);
5857                         if (ret)
5858                                 return ret;
5859                         break;
5860                 default:
5861                         DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag);
5862                         break;
5863                 }
5864         }
5865         return 0;
5866 }
5867
5868 void drm_update_tile_info(struct drm_connector *connector,
5869                           const struct edid *edid)
5870 {
5871         const void *displayid = NULL;
5872         int length, idx;
5873         int ret;
5874
5875         connector->has_tile = false;
5876         displayid = drm_find_displayid_extension(edid, &length, &idx);
5877         if (!displayid) {
5878                 /* drop reference to any tile group we had */
5879                 goto out_drop_ref;
5880         }
5881
5882         ret = drm_displayid_parse_tiled(connector, displayid, length, idx);
5883         if (ret < 0)
5884                 goto out_drop_ref;
5885         if (!connector->has_tile)
5886                 goto out_drop_ref;
5887         return;
5888 out_drop_ref:
5889         if (connector->tile_group) {
5890                 drm_mode_put_tile_group(connector->dev, connector->tile_group);
5891                 connector->tile_group = NULL;
5892         }
5893         return;
5894 }