1 /* 2 * Copyright (c) 2006 Luc Verhaegen (quirks list) 3 * Copyright (c) 2007-2008 Intel Corporation 4 * Jesse Barnes <jesse.barnes@intel.com> 5 * Copyright 2010 Red Hat, Inc. 6 * 7 * DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from 8 * FB layer. 9 * Copyright (C) 2006 Dennis Munsie <dmunsie@cecropia.com> 10 * 11 * Permission is hereby granted, free of charge, to any person obtaining a 12 * copy of this software and associated documentation files (the "Software"), 13 * to deal in the Software without restriction, including without limitation 14 * the rights to use, copy, modify, merge, publish, distribute, sub license, 15 * and/or sell copies of the Software, and to permit persons to whom the 16 * Software is furnished to do so, subject to the following conditions: 17 * 18 * The above copyright notice and this permission notice (including the 19 * next paragraph) shall be included in all copies or substantial portions 20 * of the Software. 21 * 22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 23 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 24 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 25 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 26 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 27 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 28 * DEALINGS IN THE SOFTWARE. 29 */ 30 31 #include <linux/hdmi.h> 32 #include <linux/i2c.h> 33 #include <linux/kernel.h> 34 #include <linux/module.h> 35 #include <linux/slab.h> 36 #include <linux/vga_switcheroo.h> 37 38 #include <drm/drm_displayid.h> 39 #include <drm/drm_drv.h> 40 #include <drm/drm_edid.h> 41 #include <drm/drm_encoder.h> 42 #include <drm/drm_print.h> 43 #include <drm/drm_scdc_helper.h> 44 45 #include "drm_crtc_internal.h" 46 47 #define version_greater(edid, maj, min) \ 48 (((edid)->version > (maj)) || \ 49 ((edid)->version == (maj) && (edid)->revision > (min))) 50 51 #define EDID_EST_TIMINGS 16 52 #define EDID_STD_TIMINGS 8 53 #define EDID_DETAILED_TIMINGS 4 54 55 /* 56 * EDID blocks out in the wild have a variety of bugs, try to collect 57 * them here (note that userspace may work around broken monitors first, 58 * but fixes should make their way here so that the kernel "just works" 59 * on as many displays as possible). 60 */ 61 62 /* First detailed mode wrong, use largest 60Hz mode */ 63 #define EDID_QUIRK_PREFER_LARGE_60 (1 << 0) 64 /* Reported 135MHz pixel clock is too high, needs adjustment */ 65 #define EDID_QUIRK_135_CLOCK_TOO_HIGH (1 << 1) 66 /* Prefer the largest mode at 75 Hz */ 67 #define EDID_QUIRK_PREFER_LARGE_75 (1 << 2) 68 /* Detail timing is in cm not mm */ 69 #define EDID_QUIRK_DETAILED_IN_CM (1 << 3) 70 /* Detailed timing descriptors have bogus size values, so just take the 71 * maximum size and use that. 72 */ 73 #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE (1 << 4) 74 /* use +hsync +vsync for detailed mode */ 75 #define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6) 76 /* Force reduced-blanking timings for detailed modes */ 77 #define EDID_QUIRK_FORCE_REDUCED_BLANKING (1 << 7) 78 /* Force 8bpc */ 79 #define EDID_QUIRK_FORCE_8BPC (1 << 8) 80 /* Force 12bpc */ 81 #define EDID_QUIRK_FORCE_12BPC (1 << 9) 82 /* Force 6bpc */ 83 #define EDID_QUIRK_FORCE_6BPC (1 << 10) 84 /* Force 10bpc */ 85 #define EDID_QUIRK_FORCE_10BPC (1 << 11) 86 /* Non desktop display (i.e. HMD) */ 87 #define EDID_QUIRK_NON_DESKTOP (1 << 12) 88 89 struct detailed_mode_closure { 90 struct drm_connector *connector; 91 struct edid *edid; 92 bool preferred; 93 u32 quirks; 94 int modes; 95 }; 96 97 #define LEVEL_DMT 0 98 #define LEVEL_GTF 1 99 #define LEVEL_GTF2 2 100 #define LEVEL_CVT 3 101 102 static const struct edid_quirk { 103 char vendor[4]; 104 int product_id; 105 u32 quirks; 106 } edid_quirk_list[] = { 107 /* Acer AL1706 */ 108 { "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 }, 109 /* Acer F51 */ 110 { "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 }, 111 112 /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */ 113 { "AEO", 0, EDID_QUIRK_FORCE_6BPC }, 114 115 /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */ 116 { "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC }, 117 118 /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */ 119 { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC }, 120 121 /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */ 122 { "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC }, 123 124 /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */ 125 { "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC }, 126 127 /* Belinea 10 15 55 */ 128 { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 }, 129 { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 }, 130 131 /* Envision Peripherals, Inc. EN-7100e */ 132 { "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH }, 133 /* Envision EN2028 */ 134 { "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 }, 135 136 /* Funai Electronics PM36B */ 137 { "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 | 138 EDID_QUIRK_DETAILED_IN_CM }, 139 140 /* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */ 141 { "LGD", 764, EDID_QUIRK_FORCE_10BPC }, 142 143 /* LG Philips LCD LP154W01-A5 */ 144 { "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE }, 145 { "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE }, 146 147 /* Samsung SyncMaster 205BW. Note: irony */ 148 { "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP }, 149 /* Samsung SyncMaster 22[5-6]BW */ 150 { "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 }, 151 { "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 }, 152 153 /* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */ 154 { "SNY", 0x2541, EDID_QUIRK_FORCE_12BPC }, 155 156 /* ViewSonic VA2026w */ 157 { "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING }, 158 159 /* Medion MD 30217 PG */ 160 { "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 }, 161 162 /* Lenovo G50 */ 163 { "SDC", 18514, EDID_QUIRK_FORCE_6BPC }, 164 165 /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */ 166 { "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC }, 167 168 /* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/ 169 { "ETR", 13896, EDID_QUIRK_FORCE_8BPC }, 170 171 /* Valve Index Headset */ 172 { "VLV", 0x91a8, EDID_QUIRK_NON_DESKTOP }, 173 { "VLV", 0x91b0, EDID_QUIRK_NON_DESKTOP }, 174 { "VLV", 0x91b1, EDID_QUIRK_NON_DESKTOP }, 175 { "VLV", 0x91b2, EDID_QUIRK_NON_DESKTOP }, 176 { "VLV", 0x91b3, EDID_QUIRK_NON_DESKTOP }, 177 { "VLV", 0x91b4, EDID_QUIRK_NON_DESKTOP }, 178 { "VLV", 0x91b5, EDID_QUIRK_NON_DESKTOP }, 179 { "VLV", 0x91b6, EDID_QUIRK_NON_DESKTOP }, 180 { "VLV", 0x91b7, EDID_QUIRK_NON_DESKTOP }, 181 { "VLV", 0x91b8, EDID_QUIRK_NON_DESKTOP }, 182 { "VLV", 0x91b9, EDID_QUIRK_NON_DESKTOP }, 183 { "VLV", 0x91ba, EDID_QUIRK_NON_DESKTOP }, 184 { "VLV", 0x91bb, EDID_QUIRK_NON_DESKTOP }, 185 { "VLV", 0x91bc, EDID_QUIRK_NON_DESKTOP }, 186 { "VLV", 0x91bd, EDID_QUIRK_NON_DESKTOP }, 187 { "VLV", 0x91be, EDID_QUIRK_NON_DESKTOP }, 188 { "VLV", 0x91bf, EDID_QUIRK_NON_DESKTOP }, 189 190 /* HTC Vive and Vive Pro VR Headsets */ 191 { "HVR", 0xaa01, EDID_QUIRK_NON_DESKTOP }, 192 { "HVR", 0xaa02, EDID_QUIRK_NON_DESKTOP }, 193 194 /* Oculus Rift DK1, DK2, and CV1 VR Headsets */ 195 { "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP }, 196 { "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP }, 197 { "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP }, 198 199 /* Windows Mixed Reality Headsets */ 200 { "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP }, 201 { "HPN", 0x3515, EDID_QUIRK_NON_DESKTOP }, 202 { "LEN", 0x0408, EDID_QUIRK_NON_DESKTOP }, 203 { "LEN", 0xb800, EDID_QUIRK_NON_DESKTOP }, 204 { "FUJ", 0x1970, EDID_QUIRK_NON_DESKTOP }, 205 { "DEL", 0x7fce, EDID_QUIRK_NON_DESKTOP }, 206 { "SEC", 0x144a, EDID_QUIRK_NON_DESKTOP }, 207 { "AUS", 0xc102, EDID_QUIRK_NON_DESKTOP }, 208 209 /* Sony PlayStation VR Headset */ 210 { "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP }, 211 212 /* Sensics VR Headsets */ 213 { "SEN", 0x1019, EDID_QUIRK_NON_DESKTOP }, 214 215 /* OSVR HDK and HDK2 VR Headsets */ 216 { "SVR", 0x1019, EDID_QUIRK_NON_DESKTOP }, 217 }; 218 219 /* 220 * Autogenerated from the DMT spec. 221 * This table is copied from xfree86/modes/xf86EdidModes.c. 222 */ 223 static const struct drm_display_mode drm_dmt_modes[] = { 224 /* 0x01 - 640x350@85Hz */ 225 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672, 226 736, 832, 0, 350, 382, 385, 445, 0, 227 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 228 /* 0x02 - 640x400@85Hz */ 229 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672, 230 736, 832, 0, 400, 401, 404, 445, 0, 231 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 232 /* 0x03 - 720x400@85Hz */ 233 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756, 234 828, 936, 0, 400, 401, 404, 446, 0, 235 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 236 /* 0x04 - 640x480@60Hz */ 237 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, 238 752, 800, 0, 480, 490, 492, 525, 0, 239 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 240 /* 0x05 - 640x480@72Hz */ 241 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664, 242 704, 832, 0, 480, 489, 492, 520, 0, 243 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 244 /* 0x06 - 640x480@75Hz */ 245 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656, 246 720, 840, 0, 480, 481, 484, 500, 0, 247 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 248 /* 0x07 - 640x480@85Hz */ 249 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696, 250 752, 832, 0, 480, 481, 484, 509, 0, 251 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 252 /* 0x08 - 800x600@56Hz */ 253 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824, 254 896, 1024, 0, 600, 601, 603, 625, 0, 255 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 256 /* 0x09 - 800x600@60Hz */ 257 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840, 258 968, 1056, 0, 600, 601, 605, 628, 0, 259 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 260 /* 0x0a - 800x600@72Hz */ 261 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856, 262 976, 1040, 0, 600, 637, 643, 666, 0, 263 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 264 /* 0x0b - 800x600@75Hz */ 265 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816, 266 896, 1056, 0, 600, 601, 604, 625, 0, 267 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 268 /* 0x0c - 800x600@85Hz */ 269 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832, 270 896, 1048, 0, 600, 601, 604, 631, 0, 271 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 272 /* 0x0d - 800x600@120Hz RB */ 273 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848, 274 880, 960, 0, 600, 603, 607, 636, 0, 275 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 276 /* 0x0e - 848x480@60Hz */ 277 { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864, 278 976, 1088, 0, 480, 486, 494, 517, 0, 279 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 280 /* 0x0f - 1024x768@43Hz, interlace */ 281 { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032, 282 1208, 1264, 0, 768, 768, 776, 817, 0, 283 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | 284 DRM_MODE_FLAG_INTERLACE) }, 285 /* 0x10 - 1024x768@60Hz */ 286 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, 287 1184, 1344, 0, 768, 771, 777, 806, 0, 288 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 289 /* 0x11 - 1024x768@70Hz */ 290 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048, 291 1184, 1328, 0, 768, 771, 777, 806, 0, 292 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 293 /* 0x12 - 1024x768@75Hz */ 294 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040, 295 1136, 1312, 0, 768, 769, 772, 800, 0, 296 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 297 /* 0x13 - 1024x768@85Hz */ 298 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072, 299 1168, 1376, 0, 768, 769, 772, 808, 0, 300 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 301 /* 0x14 - 1024x768@120Hz RB */ 302 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072, 303 1104, 1184, 0, 768, 771, 775, 813, 0, 304 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 305 /* 0x15 - 1152x864@75Hz */ 306 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, 307 1344, 1600, 0, 864, 865, 868, 900, 0, 308 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 309 /* 0x55 - 1280x720@60Hz */ 310 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390, 311 1430, 1650, 0, 720, 725, 730, 750, 0, 312 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 313 /* 0x16 - 1280x768@60Hz RB */ 314 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328, 315 1360, 1440, 0, 768, 771, 778, 790, 0, 316 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 317 /* 0x17 - 1280x768@60Hz */ 318 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344, 319 1472, 1664, 0, 768, 771, 778, 798, 0, 320 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 321 /* 0x18 - 1280x768@75Hz */ 322 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360, 323 1488, 1696, 0, 768, 771, 778, 805, 0, 324 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 325 /* 0x19 - 1280x768@85Hz */ 326 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360, 327 1496, 1712, 0, 768, 771, 778, 809, 0, 328 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 329 /* 0x1a - 1280x768@120Hz RB */ 330 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328, 331 1360, 1440, 0, 768, 771, 778, 813, 0, 332 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 333 /* 0x1b - 1280x800@60Hz RB */ 334 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328, 335 1360, 1440, 0, 800, 803, 809, 823, 0, 336 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 337 /* 0x1c - 1280x800@60Hz */ 338 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352, 339 1480, 1680, 0, 800, 803, 809, 831, 0, 340 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 341 /* 0x1d - 1280x800@75Hz */ 342 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360, 343 1488, 1696, 0, 800, 803, 809, 838, 0, 344 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 345 /* 0x1e - 1280x800@85Hz */ 346 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360, 347 1496, 1712, 0, 800, 803, 809, 843, 0, 348 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 349 /* 0x1f - 1280x800@120Hz RB */ 350 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328, 351 1360, 1440, 0, 800, 803, 809, 847, 0, 352 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 353 /* 0x20 - 1280x960@60Hz */ 354 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376, 355 1488, 1800, 0, 960, 961, 964, 1000, 0, 356 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 357 /* 0x21 - 1280x960@85Hz */ 358 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344, 359 1504, 1728, 0, 960, 961, 964, 1011, 0, 360 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 361 /* 0x22 - 1280x960@120Hz RB */ 362 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328, 363 1360, 1440, 0, 960, 963, 967, 1017, 0, 364 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 365 /* 0x23 - 1280x1024@60Hz */ 366 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328, 367 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, 368 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 369 /* 0x24 - 1280x1024@75Hz */ 370 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296, 371 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, 372 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 373 /* 0x25 - 1280x1024@85Hz */ 374 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344, 375 1504, 1728, 0, 1024, 1025, 1028, 1072, 0, 376 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 377 /* 0x26 - 1280x1024@120Hz RB */ 378 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328, 379 1360, 1440, 0, 1024, 1027, 1034, 1084, 0, 380 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 381 /* 0x27 - 1360x768@60Hz */ 382 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424, 383 1536, 1792, 0, 768, 771, 777, 795, 0, 384 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 385 /* 0x28 - 1360x768@120Hz RB */ 386 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408, 387 1440, 1520, 0, 768, 771, 776, 813, 0, 388 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 389 /* 0x51 - 1366x768@60Hz */ 390 { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436, 391 1579, 1792, 0, 768, 771, 774, 798, 0, 392 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 393 /* 0x56 - 1366x768@60Hz */ 394 { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380, 395 1436, 1500, 0, 768, 769, 772, 800, 0, 396 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 397 /* 0x29 - 1400x1050@60Hz RB */ 398 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448, 399 1480, 1560, 0, 1050, 1053, 1057, 1080, 0, 400 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 401 /* 0x2a - 1400x1050@60Hz */ 402 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488, 403 1632, 1864, 0, 1050, 1053, 1057, 1089, 0, 404 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 405 /* 0x2b - 1400x1050@75Hz */ 406 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504, 407 1648, 1896, 0, 1050, 1053, 1057, 1099, 0, 408 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 409 /* 0x2c - 1400x1050@85Hz */ 410 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504, 411 1656, 1912, 0, 1050, 1053, 1057, 1105, 0, 412 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 413 /* 0x2d - 1400x1050@120Hz RB */ 414 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448, 415 1480, 1560, 0, 1050, 1053, 1057, 1112, 0, 416 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 417 /* 0x2e - 1440x900@60Hz RB */ 418 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488, 419 1520, 1600, 0, 900, 903, 909, 926, 0, 420 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 421 /* 0x2f - 1440x900@60Hz */ 422 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520, 423 1672, 1904, 0, 900, 903, 909, 934, 0, 424 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 425 /* 0x30 - 1440x900@75Hz */ 426 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536, 427 1688, 1936, 0, 900, 903, 909, 942, 0, 428 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 429 /* 0x31 - 1440x900@85Hz */ 430 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544, 431 1696, 1952, 0, 900, 903, 909, 948, 0, 432 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 433 /* 0x32 - 1440x900@120Hz RB */ 434 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488, 435 1520, 1600, 0, 900, 903, 909, 953, 0, 436 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 437 /* 0x53 - 1600x900@60Hz */ 438 { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624, 439 1704, 1800, 0, 900, 901, 904, 1000, 0, 440 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 441 /* 0x33 - 1600x1200@60Hz */ 442 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664, 443 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 444 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 445 /* 0x34 - 1600x1200@65Hz */ 446 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664, 447 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 448 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 449 /* 0x35 - 1600x1200@70Hz */ 450 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664, 451 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 452 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 453 /* 0x36 - 1600x1200@75Hz */ 454 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664, 455 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 456 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 457 /* 0x37 - 1600x1200@85Hz */ 458 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664, 459 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 460 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 461 /* 0x38 - 1600x1200@120Hz RB */ 462 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648, 463 1680, 1760, 0, 1200, 1203, 1207, 1271, 0, 464 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 465 /* 0x39 - 1680x1050@60Hz RB */ 466 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728, 467 1760, 1840, 0, 1050, 1053, 1059, 1080, 0, 468 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 469 /* 0x3a - 1680x1050@60Hz */ 470 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784, 471 1960, 2240, 0, 1050, 1053, 1059, 1089, 0, 472 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 473 /* 0x3b - 1680x1050@75Hz */ 474 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800, 475 1976, 2272, 0, 1050, 1053, 1059, 1099, 0, 476 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 477 /* 0x3c - 1680x1050@85Hz */ 478 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808, 479 1984, 2288, 0, 1050, 1053, 1059, 1105, 0, 480 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 481 /* 0x3d - 1680x1050@120Hz RB */ 482 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728, 483 1760, 1840, 0, 1050, 1053, 1059, 1112, 0, 484 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 485 /* 0x3e - 1792x1344@60Hz */ 486 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920, 487 2120, 2448, 0, 1344, 1345, 1348, 1394, 0, 488 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 489 /* 0x3f - 1792x1344@75Hz */ 490 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888, 491 2104, 2456, 0, 1344, 1345, 1348, 1417, 0, 492 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 493 /* 0x40 - 1792x1344@120Hz RB */ 494 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840, 495 1872, 1952, 0, 1344, 1347, 1351, 1423, 0, 496 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 497 /* 0x41 - 1856x1392@60Hz */ 498 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952, 499 2176, 2528, 0, 1392, 1393, 1396, 1439, 0, 500 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 501 /* 0x42 - 1856x1392@75Hz */ 502 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984, 503 2208, 2560, 0, 1392, 1393, 1396, 1500, 0, 504 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 505 /* 0x43 - 1856x1392@120Hz RB */ 506 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904, 507 1936, 2016, 0, 1392, 1395, 1399, 1474, 0, 508 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 509 /* 0x52 - 1920x1080@60Hz */ 510 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008, 511 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, 512 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 513 /* 0x44 - 1920x1200@60Hz RB */ 514 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968, 515 2000, 2080, 0, 1200, 1203, 1209, 1235, 0, 516 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 517 /* 0x45 - 1920x1200@60Hz */ 518 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056, 519 2256, 2592, 0, 1200, 1203, 1209, 1245, 0, 520 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 521 /* 0x46 - 1920x1200@75Hz */ 522 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056, 523 2264, 2608, 0, 1200, 1203, 1209, 1255, 0, 524 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 525 /* 0x47 - 1920x1200@85Hz */ 526 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064, 527 2272, 2624, 0, 1200, 1203, 1209, 1262, 0, 528 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 529 /* 0x48 - 1920x1200@120Hz RB */ 530 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968, 531 2000, 2080, 0, 1200, 1203, 1209, 1271, 0, 532 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 533 /* 0x49 - 1920x1440@60Hz */ 534 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048, 535 2256, 2600, 0, 1440, 1441, 1444, 1500, 0, 536 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 537 /* 0x4a - 1920x1440@75Hz */ 538 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064, 539 2288, 2640, 0, 1440, 1441, 1444, 1500, 0, 540 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 541 /* 0x4b - 1920x1440@120Hz RB */ 542 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968, 543 2000, 2080, 0, 1440, 1443, 1447, 1525, 0, 544 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 545 /* 0x54 - 2048x1152@60Hz */ 546 { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074, 547 2154, 2250, 0, 1152, 1153, 1156, 1200, 0, 548 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 549 /* 0x4c - 2560x1600@60Hz RB */ 550 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608, 551 2640, 2720, 0, 1600, 1603, 1609, 1646, 0, 552 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 553 /* 0x4d - 2560x1600@60Hz */ 554 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752, 555 3032, 3504, 0, 1600, 1603, 1609, 1658, 0, 556 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 557 /* 0x4e - 2560x1600@75Hz */ 558 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768, 559 3048, 3536, 0, 1600, 1603, 1609, 1672, 0, 560 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 561 /* 0x4f - 2560x1600@85Hz */ 562 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768, 563 3048, 3536, 0, 1600, 1603, 1609, 1682, 0, 564 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 565 /* 0x50 - 2560x1600@120Hz RB */ 566 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608, 567 2640, 2720, 0, 1600, 1603, 1609, 1694, 0, 568 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 569 /* 0x57 - 4096x2160@60Hz RB */ 570 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104, 571 4136, 4176, 0, 2160, 2208, 2216, 2222, 0, 572 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 573 /* 0x58 - 4096x2160@59.94Hz RB */ 574 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104, 575 4136, 4176, 0, 2160, 2208, 2216, 2222, 0, 576 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 577 }; 578 579 /* 580 * These more or less come from the DMT spec. The 720x400 modes are 581 * inferred from historical 80x25 practice. The 640x480@67 and 832x624@75 582 * modes are old-school Mac modes. The EDID spec says the 1152x864@75 mode 583 * should be 1152x870, again for the Mac, but instead we use the x864 DMT 584 * mode. 585 * 586 * The DMT modes have been fact-checked; the rest are mild guesses. 587 */ 588 static const struct drm_display_mode edid_est_modes[] = { 589 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840, 590 968, 1056, 0, 600, 601, 605, 628, 0, 591 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */ 592 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824, 593 896, 1024, 0, 600, 601, 603, 625, 0, 594 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */ 595 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656, 596 720, 840, 0, 480, 481, 484, 500, 0, 597 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */ 598 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664, 599 704, 832, 0, 480, 489, 492, 520, 0, 600 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */ 601 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704, 602 768, 864, 0, 480, 483, 486, 525, 0, 603 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */ 604 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, 605 752, 800, 0, 480, 490, 492, 525, 0, 606 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */ 607 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738, 608 846, 900, 0, 400, 421, 423, 449, 0, 609 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */ 610 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738, 611 846, 900, 0, 400, 412, 414, 449, 0, 612 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */ 613 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296, 614 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, 615 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */ 616 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040, 617 1136, 1312, 0, 768, 769, 772, 800, 0, 618 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */ 619 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048, 620 1184, 1328, 0, 768, 771, 777, 806, 0, 621 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */ 622 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, 623 1184, 1344, 0, 768, 771, 777, 806, 0, 624 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */ 625 { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032, 626 1208, 1264, 0, 768, 768, 776, 817, 0, 627 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */ 628 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864, 629 928, 1152, 0, 624, 625, 628, 667, 0, 630 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */ 631 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816, 632 896, 1056, 0, 600, 601, 604, 625, 0, 633 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */ 634 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856, 635 976, 1040, 0, 600, 637, 643, 666, 0, 636 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */ 637 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, 638 1344, 1600, 0, 864, 865, 868, 900, 0, 639 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */ 640 }; 641 642 struct minimode { 643 short w; 644 short h; 645 short r; 646 short rb; 647 }; 648 649 static const struct minimode est3_modes[] = { 650 /* byte 6 */ 651 { 640, 350, 85, 0 }, 652 { 640, 400, 85, 0 }, 653 { 720, 400, 85, 0 }, 654 { 640, 480, 85, 0 }, 655 { 848, 480, 60, 0 }, 656 { 800, 600, 85, 0 }, 657 { 1024, 768, 85, 0 }, 658 { 1152, 864, 75, 0 }, 659 /* byte 7 */ 660 { 1280, 768, 60, 1 }, 661 { 1280, 768, 60, 0 }, 662 { 1280, 768, 75, 0 }, 663 { 1280, 768, 85, 0 }, 664 { 1280, 960, 60, 0 }, 665 { 1280, 960, 85, 0 }, 666 { 1280, 1024, 60, 0 }, 667 { 1280, 1024, 85, 0 }, 668 /* byte 8 */ 669 { 1360, 768, 60, 0 }, 670 { 1440, 900, 60, 1 }, 671 { 1440, 900, 60, 0 }, 672 { 1440, 900, 75, 0 }, 673 { 1440, 900, 85, 0 }, 674 { 1400, 1050, 60, 1 }, 675 { 1400, 1050, 60, 0 }, 676 { 1400, 1050, 75, 0 }, 677 /* byte 9 */ 678 { 1400, 1050, 85, 0 }, 679 { 1680, 1050, 60, 1 }, 680 { 1680, 1050, 60, 0 }, 681 { 1680, 1050, 75, 0 }, 682 { 1680, 1050, 85, 0 }, 683 { 1600, 1200, 60, 0 }, 684 { 1600, 1200, 65, 0 }, 685 { 1600, 1200, 70, 0 }, 686 /* byte 10 */ 687 { 1600, 1200, 75, 0 }, 688 { 1600, 1200, 85, 0 }, 689 { 1792, 1344, 60, 0 }, 690 { 1792, 1344, 75, 0 }, 691 { 1856, 1392, 60, 0 }, 692 { 1856, 1392, 75, 0 }, 693 { 1920, 1200, 60, 1 }, 694 { 1920, 1200, 60, 0 }, 695 /* byte 11 */ 696 { 1920, 1200, 75, 0 }, 697 { 1920, 1200, 85, 0 }, 698 { 1920, 1440, 60, 0 }, 699 { 1920, 1440, 75, 0 }, 700 }; 701 702 static const struct minimode extra_modes[] = { 703 { 1024, 576, 60, 0 }, 704 { 1366, 768, 60, 0 }, 705 { 1600, 900, 60, 0 }, 706 { 1680, 945, 60, 0 }, 707 { 1920, 1080, 60, 0 }, 708 { 2048, 1152, 60, 0 }, 709 { 2048, 1536, 60, 0 }, 710 }; 711 712 /* 713 * From CEA/CTA-861 spec. 714 * 715 * Do not access directly, instead always use cea_mode_for_vic(). 716 */ 717 static const struct drm_display_mode edid_cea_modes_1[] = { 718 /* 1 - 640x480@60Hz 4:3 */ 719 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, 720 752, 800, 0, 480, 490, 492, 525, 0, 721 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 722 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 723 /* 2 - 720x480@60Hz 4:3 */ 724 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736, 725 798, 858, 0, 480, 489, 495, 525, 0, 726 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 727 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 728 /* 3 - 720x480@60Hz 16:9 */ 729 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736, 730 798, 858, 0, 480, 489, 495, 525, 0, 731 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 732 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 733 /* 4 - 1280x720@60Hz 16:9 */ 734 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390, 735 1430, 1650, 0, 720, 725, 730, 750, 0, 736 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 737 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 738 /* 5 - 1920x1080i@60Hz 16:9 */ 739 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008, 740 2052, 2200, 0, 1080, 1084, 1094, 1125, 0, 741 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | 742 DRM_MODE_FLAG_INTERLACE), 743 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 744 /* 6 - 720(1440)x480i@60Hz 4:3 */ 745 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739, 746 801, 858, 0, 480, 488, 494, 525, 0, 747 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 748 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 749 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 750 /* 7 - 720(1440)x480i@60Hz 16:9 */ 751 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739, 752 801, 858, 0, 480, 488, 494, 525, 0, 753 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 754 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 755 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 756 /* 8 - 720(1440)x240@60Hz 4:3 */ 757 { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739, 758 801, 858, 0, 240, 244, 247, 262, 0, 759 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 760 DRM_MODE_FLAG_DBLCLK), 761 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 762 /* 9 - 720(1440)x240@60Hz 16:9 */ 763 { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739, 764 801, 858, 0, 240, 244, 247, 262, 0, 765 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 766 DRM_MODE_FLAG_DBLCLK), 767 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 768 /* 10 - 2880x480i@60Hz 4:3 */ 769 { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956, 770 3204, 3432, 0, 480, 488, 494, 525, 0, 771 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 772 DRM_MODE_FLAG_INTERLACE), 773 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 774 /* 11 - 2880x480i@60Hz 16:9 */ 775 { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956, 776 3204, 3432, 0, 480, 488, 494, 525, 0, 777 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 778 DRM_MODE_FLAG_INTERLACE), 779 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 780 /* 12 - 2880x240@60Hz 4:3 */ 781 { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956, 782 3204, 3432, 0, 240, 244, 247, 262, 0, 783 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 784 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 785 /* 13 - 2880x240@60Hz 16:9 */ 786 { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956, 787 3204, 3432, 0, 240, 244, 247, 262, 0, 788 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 789 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 790 /* 14 - 1440x480@60Hz 4:3 */ 791 { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472, 792 1596, 1716, 0, 480, 489, 495, 525, 0, 793 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 794 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 795 /* 15 - 1440x480@60Hz 16:9 */ 796 { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472, 797 1596, 1716, 0, 480, 489, 495, 525, 0, 798 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 799 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 800 /* 16 - 1920x1080@60Hz 16:9 */ 801 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008, 802 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, 803 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 804 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 805 /* 17 - 720x576@50Hz 4:3 */ 806 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732, 807 796, 864, 0, 576, 581, 586, 625, 0, 808 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 809 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 810 /* 18 - 720x576@50Hz 16:9 */ 811 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732, 812 796, 864, 0, 576, 581, 586, 625, 0, 813 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 814 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 815 /* 19 - 1280x720@50Hz 16:9 */ 816 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720, 817 1760, 1980, 0, 720, 725, 730, 750, 0, 818 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 819 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 820 /* 20 - 1920x1080i@50Hz 16:9 */ 821 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448, 822 2492, 2640, 0, 1080, 1084, 1094, 1125, 0, 823 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | 824 DRM_MODE_FLAG_INTERLACE), 825 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 826 /* 21 - 720(1440)x576i@50Hz 4:3 */ 827 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732, 828 795, 864, 0, 576, 580, 586, 625, 0, 829 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 830 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 831 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 832 /* 22 - 720(1440)x576i@50Hz 16:9 */ 833 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732, 834 795, 864, 0, 576, 580, 586, 625, 0, 835 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 836 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 837 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 838 /* 23 - 720(1440)x288@50Hz 4:3 */ 839 { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732, 840 795, 864, 0, 288, 290, 293, 312, 0, 841 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 842 DRM_MODE_FLAG_DBLCLK), 843 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 844 /* 24 - 720(1440)x288@50Hz 16:9 */ 845 { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732, 846 795, 864, 0, 288, 290, 293, 312, 0, 847 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 848 DRM_MODE_FLAG_DBLCLK), 849 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 850 /* 25 - 2880x576i@50Hz 4:3 */ 851 { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928, 852 3180, 3456, 0, 576, 580, 586, 625, 0, 853 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 854 DRM_MODE_FLAG_INTERLACE), 855 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 856 /* 26 - 2880x576i@50Hz 16:9 */ 857 { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928, 858 3180, 3456, 0, 576, 580, 586, 625, 0, 859 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 860 DRM_MODE_FLAG_INTERLACE), 861 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 862 /* 27 - 2880x288@50Hz 4:3 */ 863 { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928, 864 3180, 3456, 0, 288, 290, 293, 312, 0, 865 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 866 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 867 /* 28 - 2880x288@50Hz 16:9 */ 868 { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928, 869 3180, 3456, 0, 288, 290, 293, 312, 0, 870 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 871 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 872 /* 29 - 1440x576@50Hz 4:3 */ 873 { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464, 874 1592, 1728, 0, 576, 581, 586, 625, 0, 875 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 876 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 877 /* 30 - 1440x576@50Hz 16:9 */ 878 { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464, 879 1592, 1728, 0, 576, 581, 586, 625, 0, 880 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 881 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 882 /* 31 - 1920x1080@50Hz 16:9 */ 883 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448, 884 2492, 2640, 0, 1080, 1084, 1089, 1125, 0, 885 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 886 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 887 /* 32 - 1920x1080@24Hz 16:9 */ 888 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558, 889 2602, 2750, 0, 1080, 1084, 1089, 1125, 0, 890 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 891 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 892 /* 33 - 1920x1080@25Hz 16:9 */ 893 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448, 894 2492, 2640, 0, 1080, 1084, 1089, 1125, 0, 895 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 896 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 897 /* 34 - 1920x1080@30Hz 16:9 */ 898 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008, 899 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, 900 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 901 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 902 /* 35 - 2880x480@60Hz 4:3 */ 903 { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944, 904 3192, 3432, 0, 480, 489, 495, 525, 0, 905 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 906 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 907 /* 36 - 2880x480@60Hz 16:9 */ 908 { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944, 909 3192, 3432, 0, 480, 489, 495, 525, 0, 910 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 911 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 912 /* 37 - 2880x576@50Hz 4:3 */ 913 { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928, 914 3184, 3456, 0, 576, 581, 586, 625, 0, 915 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 916 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 917 /* 38 - 2880x576@50Hz 16:9 */ 918 { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928, 919 3184, 3456, 0, 576, 581, 586, 625, 0, 920 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 921 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 922 /* 39 - 1920x1080i@50Hz 16:9 */ 923 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952, 924 2120, 2304, 0, 1080, 1126, 1136, 1250, 0, 925 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC | 926 DRM_MODE_FLAG_INTERLACE), 927 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 928 /* 40 - 1920x1080i@100Hz 16:9 */ 929 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448, 930 2492, 2640, 0, 1080, 1084, 1094, 1125, 0, 931 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | 932 DRM_MODE_FLAG_INTERLACE), 933 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 934 /* 41 - 1280x720@100Hz 16:9 */ 935 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720, 936 1760, 1980, 0, 720, 725, 730, 750, 0, 937 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 938 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 939 /* 42 - 720x576@100Hz 4:3 */ 940 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732, 941 796, 864, 0, 576, 581, 586, 625, 0, 942 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 943 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 944 /* 43 - 720x576@100Hz 16:9 */ 945 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732, 946 796, 864, 0, 576, 581, 586, 625, 0, 947 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 948 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 949 /* 44 - 720(1440)x576i@100Hz 4:3 */ 950 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732, 951 795, 864, 0, 576, 580, 586, 625, 0, 952 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 953 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 954 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 955 /* 45 - 720(1440)x576i@100Hz 16:9 */ 956 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732, 957 795, 864, 0, 576, 580, 586, 625, 0, 958 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 959 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 960 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 961 /* 46 - 1920x1080i@120Hz 16:9 */ 962 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008, 963 2052, 2200, 0, 1080, 1084, 1094, 1125, 0, 964 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | 965 DRM_MODE_FLAG_INTERLACE), 966 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 967 /* 47 - 1280x720@120Hz 16:9 */ 968 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390, 969 1430, 1650, 0, 720, 725, 730, 750, 0, 970 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 971 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 972 /* 48 - 720x480@120Hz 4:3 */ 973 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736, 974 798, 858, 0, 480, 489, 495, 525, 0, 975 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 976 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 977 /* 49 - 720x480@120Hz 16:9 */ 978 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736, 979 798, 858, 0, 480, 489, 495, 525, 0, 980 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 981 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 982 /* 50 - 720(1440)x480i@120Hz 4:3 */ 983 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739, 984 801, 858, 0, 480, 488, 494, 525, 0, 985 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 986 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 987 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 988 /* 51 - 720(1440)x480i@120Hz 16:9 */ 989 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739, 990 801, 858, 0, 480, 488, 494, 525, 0, 991 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 992 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 993 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 994 /* 52 - 720x576@200Hz 4:3 */ 995 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732, 996 796, 864, 0, 576, 581, 586, 625, 0, 997 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 998 .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 999 /* 53 - 720x576@200Hz 16:9 */ 1000 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732, 1001 796, 864, 0, 576, 581, 586, 625, 0, 1002 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 1003 .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1004 /* 54 - 720(1440)x576i@200Hz 4:3 */ 1005 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732, 1006 795, 864, 0, 576, 580, 586, 625, 0, 1007 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 1008 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 1009 .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 1010 /* 55 - 720(1440)x576i@200Hz 16:9 */ 1011 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732, 1012 795, 864, 0, 576, 580, 586, 625, 0, 1013 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 1014 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 1015 .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1016 /* 56 - 720x480@240Hz 4:3 */ 1017 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736, 1018 798, 858, 0, 480, 489, 495, 525, 0, 1019 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 1020 .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 1021 /* 57 - 720x480@240Hz 16:9 */ 1022 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736, 1023 798, 858, 0, 480, 489, 495, 525, 0, 1024 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 1025 .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1026 /* 58 - 720(1440)x480i@240Hz 4:3 */ 1027 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739, 1028 801, 858, 0, 480, 488, 494, 525, 0, 1029 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 1030 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 1031 .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 1032 /* 59 - 720(1440)x480i@240Hz 16:9 */ 1033 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739, 1034 801, 858, 0, 480, 488, 494, 525, 0, 1035 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 1036 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 1037 .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1038 /* 60 - 1280x720@24Hz 16:9 */ 1039 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040, 1040 3080, 3300, 0, 720, 725, 730, 750, 0, 1041 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1042 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1043 /* 61 - 1280x720@25Hz 16:9 */ 1044 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700, 1045 3740, 3960, 0, 720, 725, 730, 750, 0, 1046 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1047 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1048 /* 62 - 1280x720@30Hz 16:9 */ 1049 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040, 1050 3080, 3300, 0, 720, 725, 730, 750, 0, 1051 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1052 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1053 /* 63 - 1920x1080@120Hz 16:9 */ 1054 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008, 1055 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, 1056 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1057 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1058 /* 64 - 1920x1080@100Hz 16:9 */ 1059 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448, 1060 2492, 2640, 0, 1080, 1084, 1089, 1125, 0, 1061 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1062 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1063 /* 65 - 1280x720@24Hz 64:27 */ 1064 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040, 1065 3080, 3300, 0, 720, 725, 730, 750, 0, 1066 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1067 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1068 /* 66 - 1280x720@25Hz 64:27 */ 1069 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700, 1070 3740, 3960, 0, 720, 725, 730, 750, 0, 1071 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1072 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1073 /* 67 - 1280x720@30Hz 64:27 */ 1074 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040, 1075 3080, 3300, 0, 720, 725, 730, 750, 0, 1076 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1077 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1078 /* 68 - 1280x720@50Hz 64:27 */ 1079 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720, 1080 1760, 1980, 0, 720, 725, 730, 750, 0, 1081 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1082 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1083 /* 69 - 1280x720@60Hz 64:27 */ 1084 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390, 1085 1430, 1650, 0, 720, 725, 730, 750, 0, 1086 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1087 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1088 /* 70 - 1280x720@100Hz 64:27 */ 1089 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720, 1090 1760, 1980, 0, 720, 725, 730, 750, 0, 1091 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1092 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1093 /* 71 - 1280x720@120Hz 64:27 */ 1094 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390, 1095 1430, 1650, 0, 720, 725, 730, 750, 0, 1096 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1097 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1098 /* 72 - 1920x1080@24Hz 64:27 */ 1099 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558, 1100 2602, 2750, 0, 1080, 1084, 1089, 1125, 0, 1101 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1102 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1103 /* 73 - 1920x1080@25Hz 64:27 */ 1104 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448, 1105 2492, 2640, 0, 1080, 1084, 1089, 1125, 0, 1106 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1107 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1108 /* 74 - 1920x1080@30Hz 64:27 */ 1109 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008, 1110 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, 1111 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1112 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1113 /* 75 - 1920x1080@50Hz 64:27 */ 1114 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448, 1115 2492, 2640, 0, 1080, 1084, 1089, 1125, 0, 1116 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1117 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1118 /* 76 - 1920x1080@60Hz 64:27 */ 1119 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008, 1120 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, 1121 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1122 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1123 /* 77 - 1920x1080@100Hz 64:27 */ 1124 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448, 1125 2492, 2640, 0, 1080, 1084, 1089, 1125, 0, 1126 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1127 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1128 /* 78 - 1920x1080@120Hz 64:27 */ 1129 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008, 1130 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, 1131 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1132 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1133 /* 79 - 1680x720@24Hz 64:27 */ 1134 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040, 1135 3080, 3300, 0, 720, 725, 730, 750, 0, 1136 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1137 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1138 /* 80 - 1680x720@25Hz 64:27 */ 1139 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908, 1140 2948, 3168, 0, 720, 725, 730, 750, 0, 1141 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1142 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1143 /* 81 - 1680x720@30Hz 64:27 */ 1144 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380, 1145 2420, 2640, 0, 720, 725, 730, 750, 0, 1146 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1147 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1148 /* 82 - 1680x720@50Hz 64:27 */ 1149 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940, 1150 1980, 2200, 0, 720, 725, 730, 750, 0, 1151 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1152 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1153 /* 83 - 1680x720@60Hz 64:27 */ 1154 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940, 1155 1980, 2200, 0, 720, 725, 730, 750, 0, 1156 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1157 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1158 /* 84 - 1680x720@100Hz 64:27 */ 1159 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740, 1160 1780, 2000, 0, 720, 725, 730, 825, 0, 1161 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1162 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1163 /* 85 - 1680x720@120Hz 64:27 */ 1164 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740, 1165 1780, 2000, 0, 720, 725, 730, 825, 0, 1166 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1167 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1168 /* 86 - 2560x1080@24Hz 64:27 */ 1169 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558, 1170 3602, 3750, 0, 1080, 1084, 1089, 1100, 0, 1171 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1172 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1173 /* 87 - 2560x1080@25Hz 64:27 */ 1174 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008, 1175 3052, 3200, 0, 1080, 1084, 1089, 1125, 0, 1176 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1177 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1178 /* 88 - 2560x1080@30Hz 64:27 */ 1179 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328, 1180 3372, 3520, 0, 1080, 1084, 1089, 1125, 0, 1181 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1182 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1183 /* 89 - 2560x1080@50Hz 64:27 */ 1184 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108, 1185 3152, 3300, 0, 1080, 1084, 1089, 1125, 0, 1186 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1187 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1188 /* 90 - 2560x1080@60Hz 64:27 */ 1189 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808, 1190 2852, 3000, 0, 1080, 1084, 1089, 1100, 0, 1191 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1192 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1193 /* 91 - 2560x1080@100Hz 64:27 */ 1194 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778, 1195 2822, 2970, 0, 1080, 1084, 1089, 1250, 0, 1196 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1197 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1198 /* 92 - 2560x1080@120Hz 64:27 */ 1199 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108, 1200 3152, 3300, 0, 1080, 1084, 1089, 1250, 0, 1201 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1202 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1203 /* 93 - 3840x2160@24Hz 16:9 */ 1204 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116, 1205 5204, 5500, 0, 2160, 2168, 2178, 2250, 0, 1206 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1207 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1208 /* 94 - 3840x2160@25Hz 16:9 */ 1209 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896, 1210 4984, 5280, 0, 2160, 2168, 2178, 2250, 0, 1211 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1212 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1213 /* 95 - 3840x2160@30Hz 16:9 */ 1214 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016, 1215 4104, 4400, 0, 2160, 2168, 2178, 2250, 0, 1216 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1217 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1218 /* 96 - 3840x2160@50Hz 16:9 */ 1219 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896, 1220 4984, 5280, 0, 2160, 2168, 2178, 2250, 0, 1221 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1222 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1223 /* 97 - 3840x2160@60Hz 16:9 */ 1224 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016, 1225 4104, 4400, 0, 2160, 2168, 2178, 2250, 0, 1226 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1227 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1228 /* 98 - 4096x2160@24Hz 256:135 */ 1229 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116, 1230 5204, 5500, 0, 2160, 2168, 2178, 2250, 0, 1231 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1232 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, }, 1233 /* 99 - 4096x2160@25Hz 256:135 */ 1234 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064, 1235 5152, 5280, 0, 2160, 2168, 2178, 2250, 0, 1236 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1237 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, }, 1238 /* 100 - 4096x2160@30Hz 256:135 */ 1239 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184, 1240 4272, 4400, 0, 2160, 2168, 2178, 2250, 0, 1241 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1242 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, }, 1243 /* 101 - 4096x2160@50Hz 256:135 */ 1244 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064, 1245 5152, 5280, 0, 2160, 2168, 2178, 2250, 0, 1246 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1247 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, }, 1248 /* 102 - 4096x2160@60Hz 256:135 */ 1249 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184, 1250 4272, 4400, 0, 2160, 2168, 2178, 2250, 0, 1251 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1252 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, }, 1253 /* 103 - 3840x2160@24Hz 64:27 */ 1254 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116, 1255 5204, 5500, 0, 2160, 2168, 2178, 2250, 0, 1256 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1257 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1258 /* 104 - 3840x2160@25Hz 64:27 */ 1259 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896, 1260 4984, 5280, 0, 2160, 2168, 2178, 2250, 0, 1261 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1262 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1263 /* 105 - 3840x2160@30Hz 64:27 */ 1264 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016, 1265 4104, 4400, 0, 2160, 2168, 2178, 2250, 0, 1266 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1267 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1268 /* 106 - 3840x2160@50Hz 64:27 */ 1269 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896, 1270 4984, 5280, 0, 2160, 2168, 2178, 2250, 0, 1271 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1272 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1273 /* 107 - 3840x2160@60Hz 64:27 */ 1274 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016, 1275 4104, 4400, 0, 2160, 2168, 2178, 2250, 0, 1276 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1277 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1278 /* 108 - 1280x720@48Hz 16:9 */ 1279 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240, 1280 2280, 2500, 0, 720, 725, 730, 750, 0, 1281 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1282 .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1283 /* 109 - 1280x720@48Hz 64:27 */ 1284 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240, 1285 2280, 2500, 0, 720, 725, 730, 750, 0, 1286 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1287 .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1288 /* 110 - 1680x720@48Hz 64:27 */ 1289 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490, 1290 2530, 2750, 0, 720, 725, 730, 750, 0, 1291 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1292 .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1293 /* 111 - 1920x1080@48Hz 16:9 */ 1294 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558, 1295 2602, 2750, 0, 1080, 1084, 1089, 1125, 0, 1296 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1297 .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1298 /* 112 - 1920x1080@48Hz 64:27 */ 1299 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558, 1300 2602, 2750, 0, 1080, 1084, 1089, 1125, 0, 1301 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1302 .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1303 /* 113 - 2560x1080@48Hz 64:27 */ 1304 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558, 1305 3602, 3750, 0, 1080, 1084, 1089, 1100, 0, 1306 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1307 .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1308 /* 114 - 3840x2160@48Hz 16:9 */ 1309 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116, 1310 5204, 5500, 0, 2160, 2168, 2178, 2250, 0, 1311 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1312 .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1313 /* 115 - 4096x2160@48Hz 256:135 */ 1314 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116, 1315 5204, 5500, 0, 2160, 2168, 2178, 2250, 0, 1316 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1317 .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, }, 1318 /* 116 - 3840x2160@48Hz 64:27 */ 1319 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116, 1320 5204, 5500, 0, 2160, 2168, 2178, 2250, 0, 1321 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1322 .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1323 /* 117 - 3840x2160@100Hz 16:9 */ 1324 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896, 1325 4984, 5280, 0, 2160, 2168, 2178, 2250, 0, 1326 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1327 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1328 /* 118 - 3840x2160@120Hz 16:9 */ 1329 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016, 1330 4104, 4400, 0, 2160, 2168, 2178, 2250, 0, 1331 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1332 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1333 /* 119 - 3840x2160@100Hz 64:27 */ 1334 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896, 1335 4984, 5280, 0, 2160, 2168, 2178, 2250, 0, 1336 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1337 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1338 /* 120 - 3840x2160@120Hz 64:27 */ 1339 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016, 1340 4104, 4400, 0, 2160, 2168, 2178, 2250, 0, 1341 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1342 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1343 /* 121 - 5120x2160@24Hz 64:27 */ 1344 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116, 1345 7204, 7500, 0, 2160, 2168, 2178, 2200, 0, 1346 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1347 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1348 /* 122 - 5120x2160@25Hz 64:27 */ 1349 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816, 1350 6904, 7200, 0, 2160, 2168, 2178, 2200, 0, 1351 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1352 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1353 /* 123 - 5120x2160@30Hz 64:27 */ 1354 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784, 1355 5872, 6000, 0, 2160, 2168, 2178, 2200, 0, 1356 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1357 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1358 /* 124 - 5120x2160@48Hz 64:27 */ 1359 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866, 1360 5954, 6250, 0, 2160, 2168, 2178, 2475, 0, 1361 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1362 .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1363 /* 125 - 5120x2160@50Hz 64:27 */ 1364 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216, 1365 6304, 6600, 0, 2160, 2168, 2178, 2250, 0, 1366 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1367 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1368 /* 126 - 5120x2160@60Hz 64:27 */ 1369 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284, 1370 5372, 5500, 0, 2160, 2168, 2178, 2250, 0, 1371 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1372 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1373 /* 127 - 5120x2160@100Hz 64:27 */ 1374 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216, 1375 6304, 6600, 0, 2160, 2168, 2178, 2250, 0, 1376 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1377 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1378 }; 1379 1380 /* 1381 * From CEA/CTA-861 spec. 1382 * 1383 * Do not access directly, instead always use cea_mode_for_vic(). 1384 */ 1385 static const struct drm_display_mode edid_cea_modes_193[] = { 1386 /* 193 - 5120x2160@120Hz 64:27 */ 1387 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284, 1388 5372, 5500, 0, 2160, 2168, 2178, 2250, 0, 1389 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1390 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1391 /* 194 - 7680x4320@24Hz 16:9 */ 1392 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232, 1393 10408, 11000, 0, 4320, 4336, 4356, 4500, 0, 1394 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1395 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1396 /* 195 - 7680x4320@25Hz 16:9 */ 1397 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032, 1398 10208, 10800, 0, 4320, 4336, 4356, 4400, 0, 1399 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1400 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1401 /* 196 - 7680x4320@30Hz 16:9 */ 1402 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232, 1403 8408, 9000, 0, 4320, 4336, 4356, 4400, 0, 1404 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1405 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1406 /* 197 - 7680x4320@48Hz 16:9 */ 1407 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232, 1408 10408, 11000, 0, 4320, 4336, 4356, 4500, 0, 1409 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1410 .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1411 /* 198 - 7680x4320@50Hz 16:9 */ 1412 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032, 1413 10208, 10800, 0, 4320, 4336, 4356, 4400, 0, 1414 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1415 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1416 /* 199 - 7680x4320@60Hz 16:9 */ 1417 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232, 1418 8408, 9000, 0, 4320, 4336, 4356, 4400, 0, 1419 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1420 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1421 /* 200 - 7680x4320@100Hz 16:9 */ 1422 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792, 1423 9968, 10560, 0, 4320, 4336, 4356, 4500, 0, 1424 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1425 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1426 /* 201 - 7680x4320@120Hz 16:9 */ 1427 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032, 1428 8208, 8800, 0, 4320, 4336, 4356, 4500, 0, 1429 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1430 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1431 /* 202 - 7680x4320@24Hz 64:27 */ 1432 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232, 1433 10408, 11000, 0, 4320, 4336, 4356, 4500, 0, 1434 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1435 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1436 /* 203 - 7680x4320@25Hz 64:27 */ 1437 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032, 1438 10208, 10800, 0, 4320, 4336, 4356, 4400, 0, 1439 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1440 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1441 /* 204 - 7680x4320@30Hz 64:27 */ 1442 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232, 1443 8408, 9000, 0, 4320, 4336, 4356, 4400, 0, 1444 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1445 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1446 /* 205 - 7680x4320@48Hz 64:27 */ 1447 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232, 1448 10408, 11000, 0, 4320, 4336, 4356, 4500, 0, 1449 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1450 .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1451 /* 206 - 7680x4320@50Hz 64:27 */ 1452 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032, 1453 10208, 10800, 0, 4320, 4336, 4356, 4400, 0, 1454 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1455 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1456 /* 207 - 7680x4320@60Hz 64:27 */ 1457 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232, 1458 8408, 9000, 0, 4320, 4336, 4356, 4400, 0, 1459 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1460 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1461 /* 208 - 7680x4320@100Hz 64:27 */ 1462 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792, 1463 9968, 10560, 0, 4320, 4336, 4356, 4500, 0, 1464 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1465 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1466 /* 209 - 7680x4320@120Hz 64:27 */ 1467 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032, 1468 8208, 8800, 0, 4320, 4336, 4356, 4500, 0, 1469 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1470 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1471 /* 210 - 10240x4320@24Hz 64:27 */ 1472 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732, 1473 11908, 12500, 0, 4320, 4336, 4356, 4950, 0, 1474 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1475 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1476 /* 211 - 10240x4320@25Hz 64:27 */ 1477 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732, 1478 12908, 13500, 0, 4320, 4336, 4356, 4400, 0, 1479 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1480 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1481 /* 212 - 10240x4320@30Hz 64:27 */ 1482 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528, 1483 10704, 11000, 0, 4320, 4336, 4356, 4500, 0, 1484 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1485 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1486 /* 213 - 10240x4320@48Hz 64:27 */ 1487 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732, 1488 11908, 12500, 0, 4320, 4336, 4356, 4950, 0, 1489 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1490 .vrefresh = 48, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1491 /* 214 - 10240x4320@50Hz 64:27 */ 1492 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732, 1493 12908, 13500, 0, 4320, 4336, 4356, 4400, 0, 1494 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1495 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1496 /* 215 - 10240x4320@60Hz 64:27 */ 1497 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528, 1498 10704, 11000, 0, 4320, 4336, 4356, 4500, 0, 1499 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1500 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1501 /* 216 - 10240x4320@100Hz 64:27 */ 1502 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432, 1503 12608, 13200, 0, 4320, 4336, 4356, 4500, 0, 1504 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1505 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1506 /* 217 - 10240x4320@120Hz 64:27 */ 1507 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528, 1508 10704, 11000, 0, 4320, 4336, 4356, 4500, 0, 1509 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1510 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1511 /* 218 - 4096x2160@100Hz 256:135 */ 1512 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896, 1513 4984, 5280, 0, 2160, 2168, 2178, 2250, 0, 1514 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1515 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, }, 1516 /* 219 - 4096x2160@120Hz 256:135 */ 1517 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184, 1518 4272, 4400, 0, 2160, 2168, 2178, 2250, 0, 1519 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1520 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, }, 1521 }; 1522 1523 /* 1524 * HDMI 1.4 4k modes. Index using the VIC. 1525 */ 1526 static const struct drm_display_mode edid_4k_modes[] = { 1527 /* 0 - dummy, VICs start at 1 */ 1528 { }, 1529 /* 1 - 3840x2160@30Hz */ 1530 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 1531 3840, 4016, 4104, 4400, 0, 1532 2160, 2168, 2178, 2250, 0, 1533 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1534 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1535 /* 2 - 3840x2160@25Hz */ 1536 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 1537 3840, 4896, 4984, 5280, 0, 1538 2160, 2168, 2178, 2250, 0, 1539 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1540 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1541 /* 3 - 3840x2160@24Hz */ 1542 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 1543 3840, 5116, 5204, 5500, 0, 1544 2160, 2168, 2178, 2250, 0, 1545 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1546 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1547 /* 4 - 4096x2160@24Hz (SMPTE) */ 1548 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 1549 4096, 5116, 5204, 5500, 0, 1550 2160, 2168, 2178, 2250, 0, 1551 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1552 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, }, 1553 }; 1554 1555 /*** DDC fetch and block validation ***/ 1556 1557 static const u8 edid_header[] = { 1558 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 1559 }; 1560 1561 /** 1562 * drm_edid_header_is_valid - sanity check the header of the base EDID block 1563 * @raw_edid: pointer to raw base EDID block 1564 * 1565 * Sanity check the header of the base EDID block. 1566 * 1567 * Return: 8 if the header is perfect, down to 0 if it's totally wrong. 1568 */ 1569 int drm_edid_header_is_valid(const u8 *raw_edid) 1570 { 1571 int i, score = 0; 1572 1573 for (i = 0; i < sizeof(edid_header); i++) 1574 if (raw_edid[i] == edid_header[i]) 1575 score++; 1576 1577 return score; 1578 } 1579 EXPORT_SYMBOL(drm_edid_header_is_valid); 1580 1581 static int edid_fixup __read_mostly = 6; 1582 module_param_named(edid_fixup, edid_fixup, int, 0400); 1583 MODULE_PARM_DESC(edid_fixup, 1584 "Minimum number of valid EDID header bytes (0-8, default 6)"); 1585 1586 static void drm_get_displayid(struct drm_connector *connector, 1587 struct edid *edid); 1588 static int validate_displayid(u8 *displayid, int length, int idx); 1589 1590 static int drm_edid_block_checksum(const u8 *raw_edid) 1591 { 1592 int i; 1593 u8 csum = 0, crc = 0; 1594 1595 for (i = 0; i < EDID_LENGTH - 1; i++) 1596 csum += raw_edid[i]; 1597 1598 crc = 0x100 - csum; 1599 1600 return crc; 1601 } 1602 1603 static bool drm_edid_block_checksum_diff(const u8 *raw_edid, u8 real_checksum) 1604 { 1605 if (raw_edid[EDID_LENGTH - 1] != real_checksum) 1606 return true; 1607 else 1608 return false; 1609 } 1610 1611 static bool drm_edid_is_zero(const u8 *in_edid, int length) 1612 { 1613 if (memchr_inv(in_edid, 0, length)) 1614 return false; 1615 1616 return true; 1617 } 1618 1619 /** 1620 * drm_edid_block_valid - Sanity check the EDID block (base or extension) 1621 * @raw_edid: pointer to raw EDID block 1622 * @block: type of block to validate (0 for base, extension otherwise) 1623 * @print_bad_edid: if true, dump bad EDID blocks to the console 1624 * @edid_corrupt: if true, the header or checksum is invalid 1625 * 1626 * Validate a base or extension EDID block and optionally dump bad blocks to 1627 * the console. 1628 * 1629 * Return: True if the block is valid, false otherwise. 1630 */ 1631 bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid, 1632 bool *edid_corrupt) 1633 { 1634 u8 csum; 1635 struct edid *edid = (struct edid *)raw_edid; 1636 1637 if (WARN_ON(!raw_edid)) 1638 return false; 1639 1640 if (edid_fixup > 8 || edid_fixup < 0) 1641 edid_fixup = 6; 1642 1643 if (block == 0) { 1644 int score = drm_edid_header_is_valid(raw_edid); 1645 if (score == 8) { 1646 if (edid_corrupt) 1647 *edid_corrupt = false; 1648 } else if (score >= edid_fixup) { 1649 /* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6 1650 * The corrupt flag needs to be set here otherwise, the 1651 * fix-up code here will correct the problem, the 1652 * checksum is correct and the test fails 1653 */ 1654 if (edid_corrupt) 1655 *edid_corrupt = true; 1656 DRM_DEBUG("Fixing EDID header, your hardware may be failing\n"); 1657 memcpy(raw_edid, edid_header, sizeof(edid_header)); 1658 } else { 1659 if (edid_corrupt) 1660 *edid_corrupt = true; 1661 goto bad; 1662 } 1663 } 1664 1665 csum = drm_edid_block_checksum(raw_edid); 1666 if (drm_edid_block_checksum_diff(raw_edid, csum)) { 1667 if (edid_corrupt) 1668 *edid_corrupt = true; 1669 1670 /* allow CEA to slide through, switches mangle this */ 1671 if (raw_edid[0] == CEA_EXT) { 1672 DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum); 1673 DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n"); 1674 } else { 1675 if (print_bad_edid) 1676 DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum); 1677 1678 goto bad; 1679 } 1680 } 1681 1682 /* per-block-type checks */ 1683 switch (raw_edid[0]) { 1684 case 0: /* base */ 1685 if (edid->version != 1) { 1686 DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version); 1687 goto bad; 1688 } 1689 1690 if (edid->revision > 4) 1691 DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n"); 1692 break; 1693 1694 default: 1695 break; 1696 } 1697 1698 return true; 1699 1700 bad: 1701 if (print_bad_edid) { 1702 if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) { 1703 pr_notice("EDID block is all zeroes\n"); 1704 } else { 1705 pr_notice("Raw EDID:\n"); 1706 print_hex_dump(KERN_NOTICE, 1707 " \t", DUMP_PREFIX_NONE, 16, 1, 1708 raw_edid, EDID_LENGTH, false); 1709 } 1710 } 1711 return false; 1712 } 1713 EXPORT_SYMBOL(drm_edid_block_valid); 1714 1715 /** 1716 * drm_edid_is_valid - sanity check EDID data 1717 * @edid: EDID data 1718 * 1719 * Sanity-check an entire EDID record (including extensions) 1720 * 1721 * Return: True if the EDID data is valid, false otherwise. 1722 */ 1723 bool drm_edid_is_valid(struct edid *edid) 1724 { 1725 int i; 1726 u8 *raw = (u8 *)edid; 1727 1728 if (!edid) 1729 return false; 1730 1731 for (i = 0; i <= edid->extensions; i++) 1732 if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL)) 1733 return false; 1734 1735 return true; 1736 } 1737 EXPORT_SYMBOL(drm_edid_is_valid); 1738 1739 #define DDC_SEGMENT_ADDR 0x30 1740 /** 1741 * drm_do_probe_ddc_edid() - get EDID information via I2C 1742 * @data: I2C device adapter 1743 * @buf: EDID data buffer to be filled 1744 * @block: 128 byte EDID block to start fetching from 1745 * @len: EDID data buffer length to fetch 1746 * 1747 * Try to fetch EDID information by calling I2C driver functions. 1748 * 1749 * Return: 0 on success or -1 on failure. 1750 */ 1751 static int 1752 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len) 1753 { 1754 struct i2c_adapter *adapter = data; 1755 unsigned char start = block * EDID_LENGTH; 1756 unsigned char segment = block >> 1; 1757 unsigned char xfers = segment ? 3 : 2; 1758 int ret, retries = 5; 1759 1760 /* 1761 * The core I2C driver will automatically retry the transfer if the 1762 * adapter reports EAGAIN. However, we find that bit-banging transfers 1763 * are susceptible to errors under a heavily loaded machine and 1764 * generate spurious NAKs and timeouts. Retrying the transfer 1765 * of the individual block a few times seems to overcome this. 1766 */ 1767 do { 1768 struct i2c_msg msgs[] = { 1769 { 1770 .addr = DDC_SEGMENT_ADDR, 1771 .flags = 0, 1772 .len = 1, 1773 .buf = &segment, 1774 }, { 1775 .addr = DDC_ADDR, 1776 .flags = 0, 1777 .len = 1, 1778 .buf = &start, 1779 }, { 1780 .addr = DDC_ADDR, 1781 .flags = I2C_M_RD, 1782 .len = len, 1783 .buf = buf, 1784 } 1785 }; 1786 1787 /* 1788 * Avoid sending the segment addr to not upset non-compliant 1789 * DDC monitors. 1790 */ 1791 ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers); 1792 1793 if (ret == -ENXIO) { 1794 DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n", 1795 adapter->name); 1796 break; 1797 } 1798 } while (ret != xfers && --retries); 1799 1800 return ret == xfers ? 0 : -1; 1801 } 1802 1803 static void connector_bad_edid(struct drm_connector *connector, 1804 u8 *edid, int num_blocks) 1805 { 1806 int i; 1807 u8 num_of_ext = edid[0x7e]; 1808 1809 /* Calculate real checksum for the last edid extension block data */ 1810 connector->real_edid_checksum = 1811 drm_edid_block_checksum(edid + num_of_ext * EDID_LENGTH); 1812 1813 if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS)) 1814 return; 1815 1816 dev_warn(connector->dev->dev, 1817 "%s: EDID is invalid:\n", 1818 connector->name); 1819 for (i = 0; i < num_blocks; i++) { 1820 u8 *block = edid + i * EDID_LENGTH; 1821 char prefix[20]; 1822 1823 if (drm_edid_is_zero(block, EDID_LENGTH)) 1824 sprintf(prefix, "\t[%02x] ZERO ", i); 1825 else if (!drm_edid_block_valid(block, i, false, NULL)) 1826 sprintf(prefix, "\t[%02x] BAD ", i); 1827 else 1828 sprintf(prefix, "\t[%02x] GOOD ", i); 1829 1830 print_hex_dump(KERN_WARNING, 1831 prefix, DUMP_PREFIX_NONE, 16, 1, 1832 block, EDID_LENGTH, false); 1833 } 1834 } 1835 1836 /* Get override or firmware EDID */ 1837 static struct edid *drm_get_override_edid(struct drm_connector *connector) 1838 { 1839 struct edid *override = NULL; 1840 1841 if (connector->override_edid) 1842 override = drm_edid_duplicate(connector->edid_blob_ptr->data); 1843 1844 if (!override) 1845 override = drm_load_edid_firmware(connector); 1846 1847 return IS_ERR(override) ? NULL : override; 1848 } 1849 1850 /** 1851 * drm_add_override_edid_modes - add modes from override/firmware EDID 1852 * @connector: connector we're probing 1853 * 1854 * Add modes from the override/firmware EDID, if available. Only to be used from 1855 * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe 1856 * failed during drm_get_edid() and caused the override/firmware EDID to be 1857 * skipped. 1858 * 1859 * Return: The number of modes added or 0 if we couldn't find any. 1860 */ 1861 int drm_add_override_edid_modes(struct drm_connector *connector) 1862 { 1863 struct edid *override; 1864 int num_modes = 0; 1865 1866 override = drm_get_override_edid(connector); 1867 if (override) { 1868 drm_connector_update_edid_property(connector, override); 1869 num_modes = drm_add_edid_modes(connector, override); 1870 kfree(override); 1871 1872 DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n", 1873 connector->base.id, connector->name, num_modes); 1874 } 1875 1876 return num_modes; 1877 } 1878 EXPORT_SYMBOL(drm_add_override_edid_modes); 1879 1880 /** 1881 * drm_do_get_edid - get EDID data using a custom EDID block read function 1882 * @connector: connector we're probing 1883 * @get_edid_block: EDID block read function 1884 * @data: private data passed to the block read function 1885 * 1886 * When the I2C adapter connected to the DDC bus is hidden behind a device that 1887 * exposes a different interface to read EDID blocks this function can be used 1888 * to get EDID data using a custom block read function. 1889 * 1890 * As in the general case the DDC bus is accessible by the kernel at the I2C 1891 * level, drivers must make all reasonable efforts to expose it as an I2C 1892 * adapter and use drm_get_edid() instead of abusing this function. 1893 * 1894 * The EDID may be overridden using debugfs override_edid or firmare EDID 1895 * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority 1896 * order. Having either of them bypasses actual EDID reads. 1897 * 1898 * Return: Pointer to valid EDID or NULL if we couldn't find any. 1899 */ 1900 struct edid *drm_do_get_edid(struct drm_connector *connector, 1901 int (*get_edid_block)(void *data, u8 *buf, unsigned int block, 1902 size_t len), 1903 void *data) 1904 { 1905 int i, j = 0, valid_extensions = 0; 1906 u8 *edid, *new; 1907 struct edid *override; 1908 1909 override = drm_get_override_edid(connector); 1910 if (override) 1911 return override; 1912 1913 if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL) 1914 return NULL; 1915 1916 /* base block fetch */ 1917 for (i = 0; i < 4; i++) { 1918 if (get_edid_block(data, edid, 0, EDID_LENGTH)) 1919 goto out; 1920 if (drm_edid_block_valid(edid, 0, false, 1921 &connector->edid_corrupt)) 1922 break; 1923 if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) { 1924 connector->null_edid_counter++; 1925 goto carp; 1926 } 1927 } 1928 if (i == 4) 1929 goto carp; 1930 1931 /* if there's no extensions, we're done */ 1932 valid_extensions = edid[0x7e]; 1933 if (valid_extensions == 0) 1934 return (struct edid *)edid; 1935 1936 new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL); 1937 if (!new) 1938 goto out; 1939 edid = new; 1940 1941 for (j = 1; j <= edid[0x7e]; j++) { 1942 u8 *block = edid + j * EDID_LENGTH; 1943 1944 for (i = 0; i < 4; i++) { 1945 if (get_edid_block(data, block, j, EDID_LENGTH)) 1946 goto out; 1947 if (drm_edid_block_valid(block, j, false, NULL)) 1948 break; 1949 } 1950 1951 if (i == 4) 1952 valid_extensions--; 1953 } 1954 1955 if (valid_extensions != edid[0x7e]) { 1956 u8 *base; 1957 1958 connector_bad_edid(connector, edid, edid[0x7e] + 1); 1959 1960 edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions; 1961 edid[0x7e] = valid_extensions; 1962 1963 new = kmalloc_array(valid_extensions + 1, EDID_LENGTH, 1964 GFP_KERNEL); 1965 if (!new) 1966 goto out; 1967 1968 base = new; 1969 for (i = 0; i <= edid[0x7e]; i++) { 1970 u8 *block = edid + i * EDID_LENGTH; 1971 1972 if (!drm_edid_block_valid(block, i, false, NULL)) 1973 continue; 1974 1975 memcpy(base, block, EDID_LENGTH); 1976 base += EDID_LENGTH; 1977 } 1978 1979 kfree(edid); 1980 edid = new; 1981 } 1982 1983 return (struct edid *)edid; 1984 1985 carp: 1986 connector_bad_edid(connector, edid, 1); 1987 out: 1988 kfree(edid); 1989 return NULL; 1990 } 1991 EXPORT_SYMBOL_GPL(drm_do_get_edid); 1992 1993 /** 1994 * drm_probe_ddc() - probe DDC presence 1995 * @adapter: I2C adapter to probe 1996 * 1997 * Return: True on success, false on failure. 1998 */ 1999 bool 2000 drm_probe_ddc(struct i2c_adapter *adapter) 2001 { 2002 unsigned char out; 2003 2004 return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0); 2005 } 2006 EXPORT_SYMBOL(drm_probe_ddc); 2007 2008 /** 2009 * drm_get_edid - get EDID data, if available 2010 * @connector: connector we're probing 2011 * @adapter: I2C adapter to use for DDC 2012 * 2013 * Poke the given I2C channel to grab EDID data if possible. If found, 2014 * attach it to the connector. 2015 * 2016 * Return: Pointer to valid EDID or NULL if we couldn't find any. 2017 */ 2018 struct edid *drm_get_edid(struct drm_connector *connector, 2019 struct i2c_adapter *adapter) 2020 { 2021 struct edid *edid; 2022 2023 if (connector->force == DRM_FORCE_OFF) 2024 return NULL; 2025 2026 if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter)) 2027 return NULL; 2028 2029 edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter); 2030 if (edid) 2031 drm_get_displayid(connector, edid); 2032 return edid; 2033 } 2034 EXPORT_SYMBOL(drm_get_edid); 2035 2036 /** 2037 * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output 2038 * @connector: connector we're probing 2039 * @adapter: I2C adapter to use for DDC 2040 * 2041 * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of 2042 * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily 2043 * switch DDC to the GPU which is retrieving EDID. 2044 * 2045 * Return: Pointer to valid EDID or %NULL if we couldn't find any. 2046 */ 2047 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector, 2048 struct i2c_adapter *adapter) 2049 { 2050 struct pci_dev *pdev = connector->dev->pdev; 2051 struct edid *edid; 2052 2053 vga_switcheroo_lock_ddc(pdev); 2054 edid = drm_get_edid(connector, adapter); 2055 vga_switcheroo_unlock_ddc(pdev); 2056 2057 return edid; 2058 } 2059 EXPORT_SYMBOL(drm_get_edid_switcheroo); 2060 2061 /** 2062 * drm_edid_duplicate - duplicate an EDID and the extensions 2063 * @edid: EDID to duplicate 2064 * 2065 * Return: Pointer to duplicated EDID or NULL on allocation failure. 2066 */ 2067 struct edid *drm_edid_duplicate(const struct edid *edid) 2068 { 2069 return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL); 2070 } 2071 EXPORT_SYMBOL(drm_edid_duplicate); 2072 2073 /*** EDID parsing ***/ 2074 2075 /** 2076 * edid_vendor - match a string against EDID's obfuscated vendor field 2077 * @edid: EDID to match 2078 * @vendor: vendor string 2079 * 2080 * Returns true if @vendor is in @edid, false otherwise 2081 */ 2082 static bool edid_vendor(const struct edid *edid, const char *vendor) 2083 { 2084 char edid_vendor[3]; 2085 2086 edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@'; 2087 edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) | 2088 ((edid->mfg_id[1] & 0xe0) >> 5)) + '@'; 2089 edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@'; 2090 2091 return !strncmp(edid_vendor, vendor, 3); 2092 } 2093 2094 /** 2095 * edid_get_quirks - return quirk flags for a given EDID 2096 * @edid: EDID to process 2097 * 2098 * This tells subsequent routines what fixes they need to apply. 2099 */ 2100 static u32 edid_get_quirks(const struct edid *edid) 2101 { 2102 const struct edid_quirk *quirk; 2103 int i; 2104 2105 for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) { 2106 quirk = &edid_quirk_list[i]; 2107 2108 if (edid_vendor(edid, quirk->vendor) && 2109 (EDID_PRODUCT_ID(edid) == quirk->product_id)) 2110 return quirk->quirks; 2111 } 2112 2113 return 0; 2114 } 2115 2116 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay) 2117 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t))) 2118 2119 /** 2120 * edid_fixup_preferred - set preferred modes based on quirk list 2121 * @connector: has mode list to fix up 2122 * @quirks: quirks list 2123 * 2124 * Walk the mode list for @connector, clearing the preferred status 2125 * on existing modes and setting it anew for the right mode ala @quirks. 2126 */ 2127 static void edid_fixup_preferred(struct drm_connector *connector, 2128 u32 quirks) 2129 { 2130 struct drm_display_mode *t, *cur_mode, *preferred_mode; 2131 int target_refresh = 0; 2132 int cur_vrefresh, preferred_vrefresh; 2133 2134 if (list_empty(&connector->probed_modes)) 2135 return; 2136 2137 if (quirks & EDID_QUIRK_PREFER_LARGE_60) 2138 target_refresh = 60; 2139 if (quirks & EDID_QUIRK_PREFER_LARGE_75) 2140 target_refresh = 75; 2141 2142 preferred_mode = list_first_entry(&connector->probed_modes, 2143 struct drm_display_mode, head); 2144 2145 list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) { 2146 cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED; 2147 2148 if (cur_mode == preferred_mode) 2149 continue; 2150 2151 /* Largest mode is preferred */ 2152 if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode)) 2153 preferred_mode = cur_mode; 2154 2155 cur_vrefresh = cur_mode->vrefresh ? 2156 cur_mode->vrefresh : drm_mode_vrefresh(cur_mode); 2157 preferred_vrefresh = preferred_mode->vrefresh ? 2158 preferred_mode->vrefresh : drm_mode_vrefresh(preferred_mode); 2159 /* At a given size, try to get closest to target refresh */ 2160 if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) && 2161 MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) < 2162 MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) { 2163 preferred_mode = cur_mode; 2164 } 2165 } 2166 2167 preferred_mode->type |= DRM_MODE_TYPE_PREFERRED; 2168 } 2169 2170 static bool 2171 mode_is_rb(const struct drm_display_mode *mode) 2172 { 2173 return (mode->htotal - mode->hdisplay == 160) && 2174 (mode->hsync_end - mode->hdisplay == 80) && 2175 (mode->hsync_end - mode->hsync_start == 32) && 2176 (mode->vsync_start - mode->vdisplay == 3); 2177 } 2178 2179 /* 2180 * drm_mode_find_dmt - Create a copy of a mode if present in DMT 2181 * @dev: Device to duplicate against 2182 * @hsize: Mode width 2183 * @vsize: Mode height 2184 * @fresh: Mode refresh rate 2185 * @rb: Mode reduced-blanking-ness 2186 * 2187 * Walk the DMT mode list looking for a match for the given parameters. 2188 * 2189 * Return: A newly allocated copy of the mode, or NULL if not found. 2190 */ 2191 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev, 2192 int hsize, int vsize, int fresh, 2193 bool rb) 2194 { 2195 int i; 2196 2197 for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) { 2198 const struct drm_display_mode *ptr = &drm_dmt_modes[i]; 2199 if (hsize != ptr->hdisplay) 2200 continue; 2201 if (vsize != ptr->vdisplay) 2202 continue; 2203 if (fresh != drm_mode_vrefresh(ptr)) 2204 continue; 2205 if (rb != mode_is_rb(ptr)) 2206 continue; 2207 2208 return drm_mode_duplicate(dev, ptr); 2209 } 2210 2211 return NULL; 2212 } 2213 EXPORT_SYMBOL(drm_mode_find_dmt); 2214 2215 static bool is_display_descriptor(const u8 d[18], u8 tag) 2216 { 2217 return d[0] == 0x00 && d[1] == 0x00 && 2218 d[2] == 0x00 && d[3] == tag; 2219 } 2220 2221 static bool is_detailed_timing_descriptor(const u8 d[18]) 2222 { 2223 return d[0] != 0x00 || d[1] != 0x00; 2224 } 2225 2226 typedef void detailed_cb(struct detailed_timing *timing, void *closure); 2227 2228 static void 2229 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure) 2230 { 2231 int i, n; 2232 u8 d = ext[0x02]; 2233 u8 *det_base = ext + d; 2234 2235 if (d < 4 || d > 127) 2236 return; 2237 2238 n = (127 - d) / 18; 2239 for (i = 0; i < n; i++) 2240 cb((struct detailed_timing *)(det_base + 18 * i), closure); 2241 } 2242 2243 static void 2244 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure) 2245 { 2246 unsigned int i, n = min((int)ext[0x02], 6); 2247 u8 *det_base = ext + 5; 2248 2249 if (ext[0x01] != 1) 2250 return; /* unknown version */ 2251 2252 for (i = 0; i < n; i++) 2253 cb((struct detailed_timing *)(det_base + 18 * i), closure); 2254 } 2255 2256 static void 2257 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure) 2258 { 2259 int i; 2260 struct edid *edid = (struct edid *)raw_edid; 2261 2262 if (edid == NULL) 2263 return; 2264 2265 for (i = 0; i < EDID_DETAILED_TIMINGS; i++) 2266 cb(&(edid->detailed_timings[i]), closure); 2267 2268 for (i = 1; i <= raw_edid[0x7e]; i++) { 2269 u8 *ext = raw_edid + (i * EDID_LENGTH); 2270 switch (*ext) { 2271 case CEA_EXT: 2272 cea_for_each_detailed_block(ext, cb, closure); 2273 break; 2274 case VTB_EXT: 2275 vtb_for_each_detailed_block(ext, cb, closure); 2276 break; 2277 default: 2278 break; 2279 } 2280 } 2281 } 2282 2283 static void 2284 is_rb(struct detailed_timing *t, void *data) 2285 { 2286 u8 *r = (u8 *)t; 2287 2288 if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE)) 2289 return; 2290 2291 if (r[15] & 0x10) 2292 *(bool *)data = true; 2293 } 2294 2295 /* EDID 1.4 defines this explicitly. For EDID 1.3, we guess, badly. */ 2296 static bool 2297 drm_monitor_supports_rb(struct edid *edid) 2298 { 2299 if (edid->revision >= 4) { 2300 bool ret = false; 2301 drm_for_each_detailed_block((u8 *)edid, is_rb, &ret); 2302 return ret; 2303 } 2304 2305 return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0); 2306 } 2307 2308 static void 2309 find_gtf2(struct detailed_timing *t, void *data) 2310 { 2311 u8 *r = (u8 *)t; 2312 2313 if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE)) 2314 return; 2315 2316 if (r[10] == 0x02) 2317 *(u8 **)data = r; 2318 } 2319 2320 /* Secondary GTF curve kicks in above some break frequency */ 2321 static int 2322 drm_gtf2_hbreak(struct edid *edid) 2323 { 2324 u8 *r = NULL; 2325 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); 2326 return r ? (r[12] * 2) : 0; 2327 } 2328 2329 static int 2330 drm_gtf2_2c(struct edid *edid) 2331 { 2332 u8 *r = NULL; 2333 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); 2334 return r ? r[13] : 0; 2335 } 2336 2337 static int 2338 drm_gtf2_m(struct edid *edid) 2339 { 2340 u8 *r = NULL; 2341 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); 2342 return r ? (r[15] << 8) + r[14] : 0; 2343 } 2344 2345 static int 2346 drm_gtf2_k(struct edid *edid) 2347 { 2348 u8 *r = NULL; 2349 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); 2350 return r ? r[16] : 0; 2351 } 2352 2353 static int 2354 drm_gtf2_2j(struct edid *edid) 2355 { 2356 u8 *r = NULL; 2357 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); 2358 return r ? r[17] : 0; 2359 } 2360 2361 /** 2362 * standard_timing_level - get std. timing level(CVT/GTF/DMT) 2363 * @edid: EDID block to scan 2364 */ 2365 static int standard_timing_level(struct edid *edid) 2366 { 2367 if (edid->revision >= 2) { 2368 if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)) 2369 return LEVEL_CVT; 2370 if (drm_gtf2_hbreak(edid)) 2371 return LEVEL_GTF2; 2372 if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF) 2373 return LEVEL_GTF; 2374 } 2375 return LEVEL_DMT; 2376 } 2377 2378 /* 2379 * 0 is reserved. The spec says 0x01 fill for unused timings. Some old 2380 * monitors fill with ascii space (0x20) instead. 2381 */ 2382 static int 2383 bad_std_timing(u8 a, u8 b) 2384 { 2385 return (a == 0x00 && b == 0x00) || 2386 (a == 0x01 && b == 0x01) || 2387 (a == 0x20 && b == 0x20); 2388 } 2389 2390 /** 2391 * drm_mode_std - convert standard mode info (width, height, refresh) into mode 2392 * @connector: connector of for the EDID block 2393 * @edid: EDID block to scan 2394 * @t: standard timing params 2395 * 2396 * Take the standard timing params (in this case width, aspect, and refresh) 2397 * and convert them into a real mode using CVT/GTF/DMT. 2398 */ 2399 static struct drm_display_mode * 2400 drm_mode_std(struct drm_connector *connector, struct edid *edid, 2401 struct std_timing *t) 2402 { 2403 struct drm_device *dev = connector->dev; 2404 struct drm_display_mode *m, *mode = NULL; 2405 int hsize, vsize; 2406 int vrefresh_rate; 2407 unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK) 2408 >> EDID_TIMING_ASPECT_SHIFT; 2409 unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK) 2410 >> EDID_TIMING_VFREQ_SHIFT; 2411 int timing_level = standard_timing_level(edid); 2412 2413 if (bad_std_timing(t->hsize, t->vfreq_aspect)) 2414 return NULL; 2415 2416 /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */ 2417 hsize = t->hsize * 8 + 248; 2418 /* vrefresh_rate = vfreq + 60 */ 2419 vrefresh_rate = vfreq + 60; 2420 /* the vdisplay is calculated based on the aspect ratio */ 2421 if (aspect_ratio == 0) { 2422 if (edid->revision < 3) 2423 vsize = hsize; 2424 else 2425 vsize = (hsize * 10) / 16; 2426 } else if (aspect_ratio == 1) 2427 vsize = (hsize * 3) / 4; 2428 else if (aspect_ratio == 2) 2429 vsize = (hsize * 4) / 5; 2430 else 2431 vsize = (hsize * 9) / 16; 2432 2433 /* HDTV hack, part 1 */ 2434 if (vrefresh_rate == 60 && 2435 ((hsize == 1360 && vsize == 765) || 2436 (hsize == 1368 && vsize == 769))) { 2437 hsize = 1366; 2438 vsize = 768; 2439 } 2440 2441 /* 2442 * If this connector already has a mode for this size and refresh 2443 * rate (because it came from detailed or CVT info), use that 2444 * instead. This way we don't have to guess at interlace or 2445 * reduced blanking. 2446 */ 2447 list_for_each_entry(m, &connector->probed_modes, head) 2448 if (m->hdisplay == hsize && m->vdisplay == vsize && 2449 drm_mode_vrefresh(m) == vrefresh_rate) 2450 return NULL; 2451 2452 /* HDTV hack, part 2 */ 2453 if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) { 2454 mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0, 2455 false); 2456 if (!mode) 2457 return NULL; 2458 mode->hdisplay = 1366; 2459 mode->hsync_start = mode->hsync_start - 1; 2460 mode->hsync_end = mode->hsync_end - 1; 2461 return mode; 2462 } 2463 2464 /* check whether it can be found in default mode table */ 2465 if (drm_monitor_supports_rb(edid)) { 2466 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, 2467 true); 2468 if (mode) 2469 return mode; 2470 } 2471 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false); 2472 if (mode) 2473 return mode; 2474 2475 /* okay, generate it */ 2476 switch (timing_level) { 2477 case LEVEL_DMT: 2478 break; 2479 case LEVEL_GTF: 2480 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0); 2481 break; 2482 case LEVEL_GTF2: 2483 /* 2484 * This is potentially wrong if there's ever a monitor with 2485 * more than one ranges section, each claiming a different 2486 * secondary GTF curve. Please don't do that. 2487 */ 2488 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0); 2489 if (!mode) 2490 return NULL; 2491 if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) { 2492 drm_mode_destroy(dev, mode); 2493 mode = drm_gtf_mode_complex(dev, hsize, vsize, 2494 vrefresh_rate, 0, 0, 2495 drm_gtf2_m(edid), 2496 drm_gtf2_2c(edid), 2497 drm_gtf2_k(edid), 2498 drm_gtf2_2j(edid)); 2499 } 2500 break; 2501 case LEVEL_CVT: 2502 mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0, 2503 false); 2504 break; 2505 } 2506 return mode; 2507 } 2508 2509 /* 2510 * EDID is delightfully ambiguous about how interlaced modes are to be 2511 * encoded. Our internal representation is of frame height, but some 2512 * HDTV detailed timings are encoded as field height. 2513 * 2514 * The format list here is from CEA, in frame size. Technically we 2515 * should be checking refresh rate too. Whatever. 2516 */ 2517 static void 2518 drm_mode_do_interlace_quirk(struct drm_display_mode *mode, 2519 struct detailed_pixel_timing *pt) 2520 { 2521 int i; 2522 static const struct { 2523 int w, h; 2524 } cea_interlaced[] = { 2525 { 1920, 1080 }, 2526 { 720, 480 }, 2527 { 1440, 480 }, 2528 { 2880, 480 }, 2529 { 720, 576 }, 2530 { 1440, 576 }, 2531 { 2880, 576 }, 2532 }; 2533 2534 if (!(pt->misc & DRM_EDID_PT_INTERLACED)) 2535 return; 2536 2537 for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) { 2538 if ((mode->hdisplay == cea_interlaced[i].w) && 2539 (mode->vdisplay == cea_interlaced[i].h / 2)) { 2540 mode->vdisplay *= 2; 2541 mode->vsync_start *= 2; 2542 mode->vsync_end *= 2; 2543 mode->vtotal *= 2; 2544 mode->vtotal |= 1; 2545 } 2546 } 2547 2548 mode->flags |= DRM_MODE_FLAG_INTERLACE; 2549 } 2550 2551 /** 2552 * drm_mode_detailed - create a new mode from an EDID detailed timing section 2553 * @dev: DRM device (needed to create new mode) 2554 * @edid: EDID block 2555 * @timing: EDID detailed timing info 2556 * @quirks: quirks to apply 2557 * 2558 * An EDID detailed timing block contains enough info for us to create and 2559 * return a new struct drm_display_mode. 2560 */ 2561 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, 2562 struct edid *edid, 2563 struct detailed_timing *timing, 2564 u32 quirks) 2565 { 2566 struct drm_display_mode *mode; 2567 struct detailed_pixel_timing *pt = &timing->data.pixel_data; 2568 unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo; 2569 unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo; 2570 unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo; 2571 unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo; 2572 unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo; 2573 unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo; 2574 unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4; 2575 unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf); 2576 2577 /* ignore tiny modes */ 2578 if (hactive < 64 || vactive < 64) 2579 return NULL; 2580 2581 if (pt->misc & DRM_EDID_PT_STEREO) { 2582 DRM_DEBUG_KMS("stereo mode not supported\n"); 2583 return NULL; 2584 } 2585 if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) { 2586 DRM_DEBUG_KMS("composite sync not supported\n"); 2587 } 2588 2589 /* it is incorrect if hsync/vsync width is zero */ 2590 if (!hsync_pulse_width || !vsync_pulse_width) { 2591 DRM_DEBUG_KMS("Incorrect Detailed timing. " 2592 "Wrong Hsync/Vsync pulse width\n"); 2593 return NULL; 2594 } 2595 2596 if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) { 2597 mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false); 2598 if (!mode) 2599 return NULL; 2600 2601 goto set_size; 2602 } 2603 2604 mode = drm_mode_create(dev); 2605 if (!mode) 2606 return NULL; 2607 2608 if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH) 2609 timing->pixel_clock = cpu_to_le16(1088); 2610 2611 mode->clock = le16_to_cpu(timing->pixel_clock) * 10; 2612 2613 mode->hdisplay = hactive; 2614 mode->hsync_start = mode->hdisplay + hsync_offset; 2615 mode->hsync_end = mode->hsync_start + hsync_pulse_width; 2616 mode->htotal = mode->hdisplay + hblank; 2617 2618 mode->vdisplay = vactive; 2619 mode->vsync_start = mode->vdisplay + vsync_offset; 2620 mode->vsync_end = mode->vsync_start + vsync_pulse_width; 2621 mode->vtotal = mode->vdisplay + vblank; 2622 2623 /* Some EDIDs have bogus h/vtotal values */ 2624 if (mode->hsync_end > mode->htotal) 2625 mode->htotal = mode->hsync_end + 1; 2626 if (mode->vsync_end > mode->vtotal) 2627 mode->vtotal = mode->vsync_end + 1; 2628 2629 drm_mode_do_interlace_quirk(mode, pt); 2630 2631 if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) { 2632 pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE; 2633 } 2634 2635 mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ? 2636 DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC; 2637 mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ? 2638 DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC; 2639 2640 set_size: 2641 mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4; 2642 mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8; 2643 2644 if (quirks & EDID_QUIRK_DETAILED_IN_CM) { 2645 mode->width_mm *= 10; 2646 mode->height_mm *= 10; 2647 } 2648 2649 if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) { 2650 mode->width_mm = edid->width_cm * 10; 2651 mode->height_mm = edid->height_cm * 10; 2652 } 2653 2654 mode->type = DRM_MODE_TYPE_DRIVER; 2655 mode->vrefresh = drm_mode_vrefresh(mode); 2656 drm_mode_set_name(mode); 2657 2658 return mode; 2659 } 2660 2661 static bool 2662 mode_in_hsync_range(const struct drm_display_mode *mode, 2663 struct edid *edid, u8 *t) 2664 { 2665 int hsync, hmin, hmax; 2666 2667 hmin = t[7]; 2668 if (edid->revision >= 4) 2669 hmin += ((t[4] & 0x04) ? 255 : 0); 2670 hmax = t[8]; 2671 if (edid->revision >= 4) 2672 hmax += ((t[4] & 0x08) ? 255 : 0); 2673 hsync = drm_mode_hsync(mode); 2674 2675 return (hsync <= hmax && hsync >= hmin); 2676 } 2677 2678 static bool 2679 mode_in_vsync_range(const struct drm_display_mode *mode, 2680 struct edid *edid, u8 *t) 2681 { 2682 int vsync, vmin, vmax; 2683 2684 vmin = t[5]; 2685 if (edid->revision >= 4) 2686 vmin += ((t[4] & 0x01) ? 255 : 0); 2687 vmax = t[6]; 2688 if (edid->revision >= 4) 2689 vmax += ((t[4] & 0x02) ? 255 : 0); 2690 vsync = drm_mode_vrefresh(mode); 2691 2692 return (vsync <= vmax && vsync >= vmin); 2693 } 2694 2695 static u32 2696 range_pixel_clock(struct edid *edid, u8 *t) 2697 { 2698 /* unspecified */ 2699 if (t[9] == 0 || t[9] == 255) 2700 return 0; 2701 2702 /* 1.4 with CVT support gives us real precision, yay */ 2703 if (edid->revision >= 4 && t[10] == 0x04) 2704 return (t[9] * 10000) - ((t[12] >> 2) * 250); 2705 2706 /* 1.3 is pathetic, so fuzz up a bit */ 2707 return t[9] * 10000 + 5001; 2708 } 2709 2710 static bool 2711 mode_in_range(const struct drm_display_mode *mode, struct edid *edid, 2712 struct detailed_timing *timing) 2713 { 2714 u32 max_clock; 2715 u8 *t = (u8 *)timing; 2716 2717 if (!mode_in_hsync_range(mode, edid, t)) 2718 return false; 2719 2720 if (!mode_in_vsync_range(mode, edid, t)) 2721 return false; 2722 2723 if ((max_clock = range_pixel_clock(edid, t))) 2724 if (mode->clock > max_clock) 2725 return false; 2726 2727 /* 1.4 max horizontal check */ 2728 if (edid->revision >= 4 && t[10] == 0x04) 2729 if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3)))) 2730 return false; 2731 2732 if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid)) 2733 return false; 2734 2735 return true; 2736 } 2737 2738 static bool valid_inferred_mode(const struct drm_connector *connector, 2739 const struct drm_display_mode *mode) 2740 { 2741 const struct drm_display_mode *m; 2742 bool ok = false; 2743 2744 list_for_each_entry(m, &connector->probed_modes, head) { 2745 if (mode->hdisplay == m->hdisplay && 2746 mode->vdisplay == m->vdisplay && 2747 drm_mode_vrefresh(mode) == drm_mode_vrefresh(m)) 2748 return false; /* duplicated */ 2749 if (mode->hdisplay <= m->hdisplay && 2750 mode->vdisplay <= m->vdisplay) 2751 ok = true; 2752 } 2753 return ok; 2754 } 2755 2756 static int 2757 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid, 2758 struct detailed_timing *timing) 2759 { 2760 int i, modes = 0; 2761 struct drm_display_mode *newmode; 2762 struct drm_device *dev = connector->dev; 2763 2764 for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) { 2765 if (mode_in_range(drm_dmt_modes + i, edid, timing) && 2766 valid_inferred_mode(connector, drm_dmt_modes + i)) { 2767 newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]); 2768 if (newmode) { 2769 drm_mode_probed_add(connector, newmode); 2770 modes++; 2771 } 2772 } 2773 } 2774 2775 return modes; 2776 } 2777 2778 /* fix up 1366x768 mode from 1368x768; 2779 * GFT/CVT can't express 1366 width which isn't dividable by 8 2780 */ 2781 void drm_mode_fixup_1366x768(struct drm_display_mode *mode) 2782 { 2783 if (mode->hdisplay == 1368 && mode->vdisplay == 768) { 2784 mode->hdisplay = 1366; 2785 mode->hsync_start--; 2786 mode->hsync_end--; 2787 drm_mode_set_name(mode); 2788 } 2789 } 2790 2791 static int 2792 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid, 2793 struct detailed_timing *timing) 2794 { 2795 int i, modes = 0; 2796 struct drm_display_mode *newmode; 2797 struct drm_device *dev = connector->dev; 2798 2799 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) { 2800 const struct minimode *m = &extra_modes[i]; 2801 newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0); 2802 if (!newmode) 2803 return modes; 2804 2805 drm_mode_fixup_1366x768(newmode); 2806 if (!mode_in_range(newmode, edid, timing) || 2807 !valid_inferred_mode(connector, newmode)) { 2808 drm_mode_destroy(dev, newmode); 2809 continue; 2810 } 2811 2812 drm_mode_probed_add(connector, newmode); 2813 modes++; 2814 } 2815 2816 return modes; 2817 } 2818 2819 static int 2820 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid, 2821 struct detailed_timing *timing) 2822 { 2823 int i, modes = 0; 2824 struct drm_display_mode *newmode; 2825 struct drm_device *dev = connector->dev; 2826 bool rb = drm_monitor_supports_rb(edid); 2827 2828 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) { 2829 const struct minimode *m = &extra_modes[i]; 2830 newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0); 2831 if (!newmode) 2832 return modes; 2833 2834 drm_mode_fixup_1366x768(newmode); 2835 if (!mode_in_range(newmode, edid, timing) || 2836 !valid_inferred_mode(connector, newmode)) { 2837 drm_mode_destroy(dev, newmode); 2838 continue; 2839 } 2840 2841 drm_mode_probed_add(connector, newmode); 2842 modes++; 2843 } 2844 2845 return modes; 2846 } 2847 2848 static void 2849 do_inferred_modes(struct detailed_timing *timing, void *c) 2850 { 2851 struct detailed_mode_closure *closure = c; 2852 struct detailed_non_pixel *data = &timing->data.other_data; 2853 struct detailed_data_monitor_range *range = &data->data.range; 2854 2855 if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE)) 2856 return; 2857 2858 closure->modes += drm_dmt_modes_for_range(closure->connector, 2859 closure->edid, 2860 timing); 2861 2862 if (!version_greater(closure->edid, 1, 1)) 2863 return; /* GTF not defined yet */ 2864 2865 switch (range->flags) { 2866 case 0x02: /* secondary gtf, XXX could do more */ 2867 case 0x00: /* default gtf */ 2868 closure->modes += drm_gtf_modes_for_range(closure->connector, 2869 closure->edid, 2870 timing); 2871 break; 2872 case 0x04: /* cvt, only in 1.4+ */ 2873 if (!version_greater(closure->edid, 1, 3)) 2874 break; 2875 2876 closure->modes += drm_cvt_modes_for_range(closure->connector, 2877 closure->edid, 2878 timing); 2879 break; 2880 case 0x01: /* just the ranges, no formula */ 2881 default: 2882 break; 2883 } 2884 } 2885 2886 static int 2887 add_inferred_modes(struct drm_connector *connector, struct edid *edid) 2888 { 2889 struct detailed_mode_closure closure = { 2890 .connector = connector, 2891 .edid = edid, 2892 }; 2893 2894 if (version_greater(edid, 1, 0)) 2895 drm_for_each_detailed_block((u8 *)edid, do_inferred_modes, 2896 &closure); 2897 2898 return closure.modes; 2899 } 2900 2901 static int 2902 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing) 2903 { 2904 int i, j, m, modes = 0; 2905 struct drm_display_mode *mode; 2906 u8 *est = ((u8 *)timing) + 6; 2907 2908 for (i = 0; i < 6; i++) { 2909 for (j = 7; j >= 0; j--) { 2910 m = (i * 8) + (7 - j); 2911 if (m >= ARRAY_SIZE(est3_modes)) 2912 break; 2913 if (est[i] & (1 << j)) { 2914 mode = drm_mode_find_dmt(connector->dev, 2915 est3_modes[m].w, 2916 est3_modes[m].h, 2917 est3_modes[m].r, 2918 est3_modes[m].rb); 2919 if (mode) { 2920 drm_mode_probed_add(connector, mode); 2921 modes++; 2922 } 2923 } 2924 } 2925 } 2926 2927 return modes; 2928 } 2929 2930 static void 2931 do_established_modes(struct detailed_timing *timing, void *c) 2932 { 2933 struct detailed_mode_closure *closure = c; 2934 2935 if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_EST_TIMINGS)) 2936 return; 2937 2938 closure->modes += drm_est3_modes(closure->connector, timing); 2939 } 2940 2941 /** 2942 * add_established_modes - get est. modes from EDID and add them 2943 * @connector: connector to add mode(s) to 2944 * @edid: EDID block to scan 2945 * 2946 * Each EDID block contains a bitmap of the supported "established modes" list 2947 * (defined above). Tease them out and add them to the global modes list. 2948 */ 2949 static int 2950 add_established_modes(struct drm_connector *connector, struct edid *edid) 2951 { 2952 struct drm_device *dev = connector->dev; 2953 unsigned long est_bits = edid->established_timings.t1 | 2954 (edid->established_timings.t2 << 8) | 2955 ((edid->established_timings.mfg_rsvd & 0x80) << 9); 2956 int i, modes = 0; 2957 struct detailed_mode_closure closure = { 2958 .connector = connector, 2959 .edid = edid, 2960 }; 2961 2962 for (i = 0; i <= EDID_EST_TIMINGS; i++) { 2963 if (est_bits & (1<<i)) { 2964 struct drm_display_mode *newmode; 2965 newmode = drm_mode_duplicate(dev, &edid_est_modes[i]); 2966 if (newmode) { 2967 drm_mode_probed_add(connector, newmode); 2968 modes++; 2969 } 2970 } 2971 } 2972 2973 if (version_greater(edid, 1, 0)) 2974 drm_for_each_detailed_block((u8 *)edid, 2975 do_established_modes, &closure); 2976 2977 return modes + closure.modes; 2978 } 2979 2980 static void 2981 do_standard_modes(struct detailed_timing *timing, void *c) 2982 { 2983 struct detailed_mode_closure *closure = c; 2984 struct detailed_non_pixel *data = &timing->data.other_data; 2985 struct drm_connector *connector = closure->connector; 2986 struct edid *edid = closure->edid; 2987 int i; 2988 2989 if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_STD_MODES)) 2990 return; 2991 2992 for (i = 0; i < 6; i++) { 2993 struct std_timing *std = &data->data.timings[i]; 2994 struct drm_display_mode *newmode; 2995 2996 newmode = drm_mode_std(connector, edid, std); 2997 if (newmode) { 2998 drm_mode_probed_add(connector, newmode); 2999 closure->modes++; 3000 } 3001 } 3002 } 3003 3004 /** 3005 * add_standard_modes - get std. modes from EDID and add them 3006 * @connector: connector to add mode(s) to 3007 * @edid: EDID block to scan 3008 * 3009 * Standard modes can be calculated using the appropriate standard (DMT, 3010 * GTF or CVT. Grab them from @edid and add them to the list. 3011 */ 3012 static int 3013 add_standard_modes(struct drm_connector *connector, struct edid *edid) 3014 { 3015 int i, modes = 0; 3016 struct detailed_mode_closure closure = { 3017 .connector = connector, 3018 .edid = edid, 3019 }; 3020 3021 for (i = 0; i < EDID_STD_TIMINGS; i++) { 3022 struct drm_display_mode *newmode; 3023 3024 newmode = drm_mode_std(connector, edid, 3025 &edid->standard_timings[i]); 3026 if (newmode) { 3027 drm_mode_probed_add(connector, newmode); 3028 modes++; 3029 } 3030 } 3031 3032 if (version_greater(edid, 1, 0)) 3033 drm_for_each_detailed_block((u8 *)edid, do_standard_modes, 3034 &closure); 3035 3036 /* XXX should also look for standard codes in VTB blocks */ 3037 3038 return modes + closure.modes; 3039 } 3040 3041 static int drm_cvt_modes(struct drm_connector *connector, 3042 struct detailed_timing *timing) 3043 { 3044 int i, j, modes = 0; 3045 struct drm_display_mode *newmode; 3046 struct drm_device *dev = connector->dev; 3047 struct cvt_timing *cvt; 3048 const int rates[] = { 60, 85, 75, 60, 50 }; 3049 const u8 empty[3] = { 0, 0, 0 }; 3050 3051 for (i = 0; i < 4; i++) { 3052 int uninitialized_var(width), height; 3053 cvt = &(timing->data.other_data.data.cvt[i]); 3054 3055 if (!memcmp(cvt->code, empty, 3)) 3056 continue; 3057 3058 height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2; 3059 switch (cvt->code[1] & 0x0c) { 3060 case 0x00: 3061 width = height * 4 / 3; 3062 break; 3063 case 0x04: 3064 width = height * 16 / 9; 3065 break; 3066 case 0x08: 3067 width = height * 16 / 10; 3068 break; 3069 case 0x0c: 3070 width = height * 15 / 9; 3071 break; 3072 } 3073 3074 for (j = 1; j < 5; j++) { 3075 if (cvt->code[2] & (1 << j)) { 3076 newmode = drm_cvt_mode(dev, width, height, 3077 rates[j], j == 0, 3078 false, false); 3079 if (newmode) { 3080 drm_mode_probed_add(connector, newmode); 3081 modes++; 3082 } 3083 } 3084 } 3085 } 3086 3087 return modes; 3088 } 3089 3090 static void 3091 do_cvt_mode(struct detailed_timing *timing, void *c) 3092 { 3093 struct detailed_mode_closure *closure = c; 3094 3095 if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_CVT_3BYTE)) 3096 return; 3097 3098 closure->modes += drm_cvt_modes(closure->connector, timing); 3099 } 3100 3101 static int 3102 add_cvt_modes(struct drm_connector *connector, struct edid *edid) 3103 { 3104 struct detailed_mode_closure closure = { 3105 .connector = connector, 3106 .edid = edid, 3107 }; 3108 3109 if (version_greater(edid, 1, 2)) 3110 drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure); 3111 3112 /* XXX should also look for CVT codes in VTB blocks */ 3113 3114 return closure.modes; 3115 } 3116 3117 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode); 3118 3119 static void 3120 do_detailed_mode(struct detailed_timing *timing, void *c) 3121 { 3122 struct detailed_mode_closure *closure = c; 3123 struct drm_display_mode *newmode; 3124 3125 if (!is_detailed_timing_descriptor((const u8 *)timing)) 3126 return; 3127 3128 newmode = drm_mode_detailed(closure->connector->dev, 3129 closure->edid, timing, 3130 closure->quirks); 3131 if (!newmode) 3132 return; 3133 3134 if (closure->preferred) 3135 newmode->type |= DRM_MODE_TYPE_PREFERRED; 3136 3137 /* 3138 * Detailed modes are limited to 10kHz pixel clock resolution, 3139 * so fix up anything that looks like CEA/HDMI mode, but the clock 3140 * is just slightly off. 3141 */ 3142 fixup_detailed_cea_mode_clock(newmode); 3143 3144 drm_mode_probed_add(closure->connector, newmode); 3145 closure->modes++; 3146 closure->preferred = false; 3147 } 3148 3149 /* 3150 * add_detailed_modes - Add modes from detailed timings 3151 * @connector: attached connector 3152 * @edid: EDID block to scan 3153 * @quirks: quirks to apply 3154 */ 3155 static int 3156 add_detailed_modes(struct drm_connector *connector, struct edid *edid, 3157 u32 quirks) 3158 { 3159 struct detailed_mode_closure closure = { 3160 .connector = connector, 3161 .edid = edid, 3162 .preferred = true, 3163 .quirks = quirks, 3164 }; 3165 3166 if (closure.preferred && !version_greater(edid, 1, 3)) 3167 closure.preferred = 3168 (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING); 3169 3170 drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure); 3171 3172 return closure.modes; 3173 } 3174 3175 #define AUDIO_BLOCK 0x01 3176 #define VIDEO_BLOCK 0x02 3177 #define VENDOR_BLOCK 0x03 3178 #define SPEAKER_BLOCK 0x04 3179 #define HDR_STATIC_METADATA_BLOCK 0x6 3180 #define USE_EXTENDED_TAG 0x07 3181 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00 3182 #define EXT_VIDEO_DATA_BLOCK_420 0x0E 3183 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F 3184 #define EDID_BASIC_AUDIO (1 << 6) 3185 #define EDID_CEA_YCRCB444 (1 << 5) 3186 #define EDID_CEA_YCRCB422 (1 << 4) 3187 #define EDID_CEA_VCDB_QS (1 << 6) 3188 3189 /* 3190 * Search EDID for CEA extension block. 3191 */ 3192 static u8 *drm_find_edid_extension(const struct edid *edid, int ext_id) 3193 { 3194 u8 *edid_ext = NULL; 3195 int i; 3196 3197 /* No EDID or EDID extensions */ 3198 if (edid == NULL || edid->extensions == 0) 3199 return NULL; 3200 3201 /* Find CEA extension */ 3202 for (i = 0; i < edid->extensions; i++) { 3203 edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1); 3204 if (edid_ext[0] == ext_id) 3205 break; 3206 } 3207 3208 if (i == edid->extensions) 3209 return NULL; 3210 3211 return edid_ext; 3212 } 3213 3214 3215 static u8 *drm_find_displayid_extension(const struct edid *edid) 3216 { 3217 return drm_find_edid_extension(edid, DISPLAYID_EXT); 3218 } 3219 3220 static u8 *drm_find_cea_extension(const struct edid *edid) 3221 { 3222 int ret; 3223 int idx = 1; 3224 int length = EDID_LENGTH; 3225 struct displayid_block *block; 3226 u8 *cea; 3227 u8 *displayid; 3228 3229 /* Look for a top level CEA extension block */ 3230 cea = drm_find_edid_extension(edid, CEA_EXT); 3231 if (cea) 3232 return cea; 3233 3234 /* CEA blocks can also be found embedded in a DisplayID block */ 3235 displayid = drm_find_displayid_extension(edid); 3236 if (!displayid) 3237 return NULL; 3238 3239 ret = validate_displayid(displayid, length, idx); 3240 if (ret) 3241 return NULL; 3242 3243 idx += sizeof(struct displayid_hdr); 3244 for_each_displayid_db(displayid, block, idx, length) { 3245 if (block->tag == DATA_BLOCK_CTA) { 3246 cea = (u8 *)block; 3247 break; 3248 } 3249 } 3250 3251 return cea; 3252 } 3253 3254 static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic) 3255 { 3256 BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127); 3257 BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219); 3258 3259 if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1)) 3260 return &edid_cea_modes_1[vic - 1]; 3261 if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193)) 3262 return &edid_cea_modes_193[vic - 193]; 3263 return NULL; 3264 } 3265 3266 static u8 cea_num_vics(void) 3267 { 3268 return 193 + ARRAY_SIZE(edid_cea_modes_193); 3269 } 3270 3271 static u8 cea_next_vic(u8 vic) 3272 { 3273 if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1)) 3274 vic = 193; 3275 return vic; 3276 } 3277 3278 /* 3279 * Calculate the alternate clock for the CEA mode 3280 * (60Hz vs. 59.94Hz etc.) 3281 */ 3282 static unsigned int 3283 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode) 3284 { 3285 unsigned int clock = cea_mode->clock; 3286 3287 if (cea_mode->vrefresh % 6 != 0) 3288 return clock; 3289 3290 /* 3291 * edid_cea_modes contains the 59.94Hz 3292 * variant for 240 and 480 line modes, 3293 * and the 60Hz variant otherwise. 3294 */ 3295 if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480) 3296 clock = DIV_ROUND_CLOSEST(clock * 1001, 1000); 3297 else 3298 clock = DIV_ROUND_CLOSEST(clock * 1000, 1001); 3299 3300 return clock; 3301 } 3302 3303 static bool 3304 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode) 3305 { 3306 /* 3307 * For certain VICs the spec allows the vertical 3308 * front porch to vary by one or two lines. 3309 * 3310 * cea_modes[] stores the variant with the shortest 3311 * vertical front porch. We can adjust the mode to 3312 * get the other variants by simply increasing the 3313 * vertical front porch length. 3314 */ 3315 BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 || 3316 cea_mode_for_vic(9)->vtotal != 262 || 3317 cea_mode_for_vic(12)->vtotal != 262 || 3318 cea_mode_for_vic(13)->vtotal != 262 || 3319 cea_mode_for_vic(23)->vtotal != 312 || 3320 cea_mode_for_vic(24)->vtotal != 312 || 3321 cea_mode_for_vic(27)->vtotal != 312 || 3322 cea_mode_for_vic(28)->vtotal != 312); 3323 3324 if (((vic == 8 || vic == 9 || 3325 vic == 12 || vic == 13) && mode->vtotal < 263) || 3326 ((vic == 23 || vic == 24 || 3327 vic == 27 || vic == 28) && mode->vtotal < 314)) { 3328 mode->vsync_start++; 3329 mode->vsync_end++; 3330 mode->vtotal++; 3331 3332 return true; 3333 } 3334 3335 return false; 3336 } 3337 3338 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match, 3339 unsigned int clock_tolerance) 3340 { 3341 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS; 3342 u8 vic; 3343 3344 if (!to_match->clock) 3345 return 0; 3346 3347 if (to_match->picture_aspect_ratio) 3348 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO; 3349 3350 for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) { 3351 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic); 3352 unsigned int clock1, clock2; 3353 3354 /* Check both 60Hz and 59.94Hz */ 3355 clock1 = cea_mode.clock; 3356 clock2 = cea_mode_alternate_clock(&cea_mode); 3357 3358 if (abs(to_match->clock - clock1) > clock_tolerance && 3359 abs(to_match->clock - clock2) > clock_tolerance) 3360 continue; 3361 3362 do { 3363 if (drm_mode_match(to_match, &cea_mode, match_flags)) 3364 return vic; 3365 } while (cea_mode_alternate_timings(vic, &cea_mode)); 3366 } 3367 3368 return 0; 3369 } 3370 3371 /** 3372 * drm_match_cea_mode - look for a CEA mode matching given mode 3373 * @to_match: display mode 3374 * 3375 * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861 3376 * mode. 3377 */ 3378 u8 drm_match_cea_mode(const struct drm_display_mode *to_match) 3379 { 3380 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS; 3381 u8 vic; 3382 3383 if (!to_match->clock) 3384 return 0; 3385 3386 if (to_match->picture_aspect_ratio) 3387 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO; 3388 3389 for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) { 3390 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic); 3391 unsigned int clock1, clock2; 3392 3393 /* Check both 60Hz and 59.94Hz */ 3394 clock1 = cea_mode.clock; 3395 clock2 = cea_mode_alternate_clock(&cea_mode); 3396 3397 if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) && 3398 KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2)) 3399 continue; 3400 3401 do { 3402 if (drm_mode_match(to_match, &cea_mode, match_flags)) 3403 return vic; 3404 } while (cea_mode_alternate_timings(vic, &cea_mode)); 3405 } 3406 3407 return 0; 3408 } 3409 EXPORT_SYMBOL(drm_match_cea_mode); 3410 3411 static bool drm_valid_cea_vic(u8 vic) 3412 { 3413 return cea_mode_for_vic(vic) != NULL; 3414 } 3415 3416 static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code) 3417 { 3418 const struct drm_display_mode *mode = cea_mode_for_vic(video_code); 3419 3420 if (mode) 3421 return mode->picture_aspect_ratio; 3422 3423 return HDMI_PICTURE_ASPECT_NONE; 3424 } 3425 3426 static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code) 3427 { 3428 return edid_4k_modes[video_code].picture_aspect_ratio; 3429 } 3430 3431 /* 3432 * Calculate the alternate clock for HDMI modes (those from the HDMI vendor 3433 * specific block). 3434 */ 3435 static unsigned int 3436 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode) 3437 { 3438 return cea_mode_alternate_clock(hdmi_mode); 3439 } 3440 3441 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match, 3442 unsigned int clock_tolerance) 3443 { 3444 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS; 3445 u8 vic; 3446 3447 if (!to_match->clock) 3448 return 0; 3449 3450 if (to_match->picture_aspect_ratio) 3451 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO; 3452 3453 for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) { 3454 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic]; 3455 unsigned int clock1, clock2; 3456 3457 /* Make sure to also match alternate clocks */ 3458 clock1 = hdmi_mode->clock; 3459 clock2 = hdmi_mode_alternate_clock(hdmi_mode); 3460 3461 if (abs(to_match->clock - clock1) > clock_tolerance && 3462 abs(to_match->clock - clock2) > clock_tolerance) 3463 continue; 3464 3465 if (drm_mode_match(to_match, hdmi_mode, match_flags)) 3466 return vic; 3467 } 3468 3469 return 0; 3470 } 3471 3472 /* 3473 * drm_match_hdmi_mode - look for a HDMI mode matching given mode 3474 * @to_match: display mode 3475 * 3476 * An HDMI mode is one defined in the HDMI vendor specific block. 3477 * 3478 * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one. 3479 */ 3480 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match) 3481 { 3482 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS; 3483 u8 vic; 3484 3485 if (!to_match->clock) 3486 return 0; 3487 3488 if (to_match->picture_aspect_ratio) 3489 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO; 3490 3491 for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) { 3492 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic]; 3493 unsigned int clock1, clock2; 3494 3495 /* Make sure to also match alternate clocks */ 3496 clock1 = hdmi_mode->clock; 3497 clock2 = hdmi_mode_alternate_clock(hdmi_mode); 3498 3499 if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) || 3500 KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) && 3501 drm_mode_match(to_match, hdmi_mode, match_flags)) 3502 return vic; 3503 } 3504 return 0; 3505 } 3506 3507 static bool drm_valid_hdmi_vic(u8 vic) 3508 { 3509 return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes); 3510 } 3511 3512 static int 3513 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid) 3514 { 3515 struct drm_device *dev = connector->dev; 3516 struct drm_display_mode *mode, *tmp; 3517 LIST_HEAD(list); 3518 int modes = 0; 3519 3520 /* Don't add CEA modes if the CEA extension block is missing */ 3521 if (!drm_find_cea_extension(edid)) 3522 return 0; 3523 3524 /* 3525 * Go through all probed modes and create a new mode 3526 * with the alternate clock for certain CEA modes. 3527 */ 3528 list_for_each_entry(mode, &connector->probed_modes, head) { 3529 const struct drm_display_mode *cea_mode = NULL; 3530 struct drm_display_mode *newmode; 3531 u8 vic = drm_match_cea_mode(mode); 3532 unsigned int clock1, clock2; 3533 3534 if (drm_valid_cea_vic(vic)) { 3535 cea_mode = cea_mode_for_vic(vic); 3536 clock2 = cea_mode_alternate_clock(cea_mode); 3537 } else { 3538 vic = drm_match_hdmi_mode(mode); 3539 if (drm_valid_hdmi_vic(vic)) { 3540 cea_mode = &edid_4k_modes[vic]; 3541 clock2 = hdmi_mode_alternate_clock(cea_mode); 3542 } 3543 } 3544 3545 if (!cea_mode) 3546 continue; 3547 3548 clock1 = cea_mode->clock; 3549 3550 if (clock1 == clock2) 3551 continue; 3552 3553 if (mode->clock != clock1 && mode->clock != clock2) 3554 continue; 3555 3556 newmode = drm_mode_duplicate(dev, cea_mode); 3557 if (!newmode) 3558 continue; 3559 3560 /* Carry over the stereo flags */ 3561 newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK; 3562 3563 /* 3564 * The current mode could be either variant. Make 3565 * sure to pick the "other" clock for the new mode. 3566 */ 3567 if (mode->clock != clock1) 3568 newmode->clock = clock1; 3569 else 3570 newmode->clock = clock2; 3571 3572 list_add_tail(&newmode->head, &list); 3573 } 3574 3575 list_for_each_entry_safe(mode, tmp, &list, head) { 3576 list_del(&mode->head); 3577 drm_mode_probed_add(connector, mode); 3578 modes++; 3579 } 3580 3581 return modes; 3582 } 3583 3584 static u8 svd_to_vic(u8 svd) 3585 { 3586 /* 0-6 bit vic, 7th bit native mode indicator */ 3587 if ((svd >= 1 && svd <= 64) || (svd >= 129 && svd <= 192)) 3588 return svd & 127; 3589 3590 return svd; 3591 } 3592 3593 static struct drm_display_mode * 3594 drm_display_mode_from_vic_index(struct drm_connector *connector, 3595 const u8 *video_db, u8 video_len, 3596 u8 video_index) 3597 { 3598 struct drm_device *dev = connector->dev; 3599 struct drm_display_mode *newmode; 3600 u8 vic; 3601 3602 if (video_db == NULL || video_index >= video_len) 3603 return NULL; 3604 3605 /* CEA modes are numbered 1..127 */ 3606 vic = svd_to_vic(video_db[video_index]); 3607 if (!drm_valid_cea_vic(vic)) 3608 return NULL; 3609 3610 newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic)); 3611 if (!newmode) 3612 return NULL; 3613 3614 newmode->vrefresh = 0; 3615 3616 return newmode; 3617 } 3618 3619 /* 3620 * do_y420vdb_modes - Parse YCBCR 420 only modes 3621 * @connector: connector corresponding to the HDMI sink 3622 * @svds: start of the data block of CEA YCBCR 420 VDB 3623 * @len: length of the CEA YCBCR 420 VDB 3624 * 3625 * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB) 3626 * which contains modes which can be supported in YCBCR 420 3627 * output format only. 3628 */ 3629 static int do_y420vdb_modes(struct drm_connector *connector, 3630 const u8 *svds, u8 svds_len) 3631 { 3632 int modes = 0, i; 3633 struct drm_device *dev = connector->dev; 3634 struct drm_display_info *info = &connector->display_info; 3635 struct drm_hdmi_info *hdmi = &info->hdmi; 3636 3637 for (i = 0; i < svds_len; i++) { 3638 u8 vic = svd_to_vic(svds[i]); 3639 struct drm_display_mode *newmode; 3640 3641 if (!drm_valid_cea_vic(vic)) 3642 continue; 3643 3644 newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic)); 3645 if (!newmode) 3646 break; 3647 bitmap_set(hdmi->y420_vdb_modes, vic, 1); 3648 drm_mode_probed_add(connector, newmode); 3649 modes++; 3650 } 3651 3652 if (modes > 0) 3653 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420; 3654 return modes; 3655 } 3656 3657 /* 3658 * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap 3659 * @connector: connector corresponding to the HDMI sink 3660 * @vic: CEA vic for the video mode to be added in the map 3661 * 3662 * Makes an entry for a videomode in the YCBCR 420 bitmap 3663 */ 3664 static void 3665 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd) 3666 { 3667 u8 vic = svd_to_vic(svd); 3668 struct drm_hdmi_info *hdmi = &connector->display_info.hdmi; 3669 3670 if (!drm_valid_cea_vic(vic)) 3671 return; 3672 3673 bitmap_set(hdmi->y420_cmdb_modes, vic, 1); 3674 } 3675 3676 static int 3677 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len) 3678 { 3679 int i, modes = 0; 3680 struct drm_hdmi_info *hdmi = &connector->display_info.hdmi; 3681 3682 for (i = 0; i < len; i++) { 3683 struct drm_display_mode *mode; 3684 mode = drm_display_mode_from_vic_index(connector, db, len, i); 3685 if (mode) { 3686 /* 3687 * YCBCR420 capability block contains a bitmap which 3688 * gives the index of CEA modes from CEA VDB, which 3689 * can support YCBCR 420 sampling output also (apart 3690 * from RGB/YCBCR444 etc). 3691 * For example, if the bit 0 in bitmap is set, 3692 * first mode in VDB can support YCBCR420 output too. 3693 * Add YCBCR420 modes only if sink is HDMI 2.0 capable. 3694 */ 3695 if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i)) 3696 drm_add_cmdb_modes(connector, db[i]); 3697 3698 drm_mode_probed_add(connector, mode); 3699 modes++; 3700 } 3701 } 3702 3703 return modes; 3704 } 3705 3706 struct stereo_mandatory_mode { 3707 int width, height, vrefresh; 3708 unsigned int flags; 3709 }; 3710 3711 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = { 3712 { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM }, 3713 { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING }, 3714 { 1920, 1080, 50, 3715 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF }, 3716 { 1920, 1080, 60, 3717 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF }, 3718 { 1280, 720, 50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM }, 3719 { 1280, 720, 50, DRM_MODE_FLAG_3D_FRAME_PACKING }, 3720 { 1280, 720, 60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM }, 3721 { 1280, 720, 60, DRM_MODE_FLAG_3D_FRAME_PACKING } 3722 }; 3723 3724 static bool 3725 stereo_match_mandatory(const struct drm_display_mode *mode, 3726 const struct stereo_mandatory_mode *stereo_mode) 3727 { 3728 unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE; 3729 3730 return mode->hdisplay == stereo_mode->width && 3731 mode->vdisplay == stereo_mode->height && 3732 interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) && 3733 drm_mode_vrefresh(mode) == stereo_mode->vrefresh; 3734 } 3735 3736 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector) 3737 { 3738 struct drm_device *dev = connector->dev; 3739 const struct drm_display_mode *mode; 3740 struct list_head stereo_modes; 3741 int modes = 0, i; 3742 3743 INIT_LIST_HEAD(&stereo_modes); 3744 3745 list_for_each_entry(mode, &connector->probed_modes, head) { 3746 for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) { 3747 const struct stereo_mandatory_mode *mandatory; 3748 struct drm_display_mode *new_mode; 3749 3750 if (!stereo_match_mandatory(mode, 3751 &stereo_mandatory_modes[i])) 3752 continue; 3753 3754 mandatory = &stereo_mandatory_modes[i]; 3755 new_mode = drm_mode_duplicate(dev, mode); 3756 if (!new_mode) 3757 continue; 3758 3759 new_mode->flags |= mandatory->flags; 3760 list_add_tail(&new_mode->head, &stereo_modes); 3761 modes++; 3762 } 3763 } 3764 3765 list_splice_tail(&stereo_modes, &connector->probed_modes); 3766 3767 return modes; 3768 } 3769 3770 static int add_hdmi_mode(struct drm_connector *connector, u8 vic) 3771 { 3772 struct drm_device *dev = connector->dev; 3773 struct drm_display_mode *newmode; 3774 3775 if (!drm_valid_hdmi_vic(vic)) { 3776 DRM_ERROR("Unknown HDMI VIC: %d\n", vic); 3777 return 0; 3778 } 3779 3780 newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]); 3781 if (!newmode) 3782 return 0; 3783 3784 drm_mode_probed_add(connector, newmode); 3785 3786 return 1; 3787 } 3788 3789 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure, 3790 const u8 *video_db, u8 video_len, u8 video_index) 3791 { 3792 struct drm_display_mode *newmode; 3793 int modes = 0; 3794 3795 if (structure & (1 << 0)) { 3796 newmode = drm_display_mode_from_vic_index(connector, video_db, 3797 video_len, 3798 video_index); 3799 if (newmode) { 3800 newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING; 3801 drm_mode_probed_add(connector, newmode); 3802 modes++; 3803 } 3804 } 3805 if (structure & (1 << 6)) { 3806 newmode = drm_display_mode_from_vic_index(connector, video_db, 3807 video_len, 3808 video_index); 3809 if (newmode) { 3810 newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM; 3811 drm_mode_probed_add(connector, newmode); 3812 modes++; 3813 } 3814 } 3815 if (structure & (1 << 8)) { 3816 newmode = drm_display_mode_from_vic_index(connector, video_db, 3817 video_len, 3818 video_index); 3819 if (newmode) { 3820 newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF; 3821 drm_mode_probed_add(connector, newmode); 3822 modes++; 3823 } 3824 } 3825 3826 return modes; 3827 } 3828 3829 /* 3830 * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block 3831 * @connector: connector corresponding to the HDMI sink 3832 * @db: start of the CEA vendor specific block 3833 * @len: length of the CEA block payload, ie. one can access up to db[len] 3834 * 3835 * Parses the HDMI VSDB looking for modes to add to @connector. This function 3836 * also adds the stereo 3d modes when applicable. 3837 */ 3838 static int 3839 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len, 3840 const u8 *video_db, u8 video_len) 3841 { 3842 struct drm_display_info *info = &connector->display_info; 3843 int modes = 0, offset = 0, i, multi_present = 0, multi_len; 3844 u8 vic_len, hdmi_3d_len = 0; 3845 u16 mask; 3846 u16 structure_all; 3847 3848 if (len < 8) 3849 goto out; 3850 3851 /* no HDMI_Video_Present */ 3852 if (!(db[8] & (1 << 5))) 3853 goto out; 3854 3855 /* Latency_Fields_Present */ 3856 if (db[8] & (1 << 7)) 3857 offset += 2; 3858 3859 /* I_Latency_Fields_Present */ 3860 if (db[8] & (1 << 6)) 3861 offset += 2; 3862 3863 /* the declared length is not long enough for the 2 first bytes 3864 * of additional video format capabilities */ 3865 if (len < (8 + offset + 2)) 3866 goto out; 3867 3868 /* 3D_Present */ 3869 offset++; 3870 if (db[8 + offset] & (1 << 7)) { 3871 modes += add_hdmi_mandatory_stereo_modes(connector); 3872 3873 /* 3D_Multi_present */ 3874 multi_present = (db[8 + offset] & 0x60) >> 5; 3875 } 3876 3877 offset++; 3878 vic_len = db[8 + offset] >> 5; 3879 hdmi_3d_len = db[8 + offset] & 0x1f; 3880 3881 for (i = 0; i < vic_len && len >= (9 + offset + i); i++) { 3882 u8 vic; 3883 3884 vic = db[9 + offset + i]; 3885 modes += add_hdmi_mode(connector, vic); 3886 } 3887 offset += 1 + vic_len; 3888 3889 if (multi_present == 1) 3890 multi_len = 2; 3891 else if (multi_present == 2) 3892 multi_len = 4; 3893 else 3894 multi_len = 0; 3895 3896 if (len < (8 + offset + hdmi_3d_len - 1)) 3897 goto out; 3898 3899 if (hdmi_3d_len < multi_len) 3900 goto out; 3901 3902 if (multi_present == 1 || multi_present == 2) { 3903 /* 3D_Structure_ALL */ 3904 structure_all = (db[8 + offset] << 8) | db[9 + offset]; 3905 3906 /* check if 3D_MASK is present */ 3907 if (multi_present == 2) 3908 mask = (db[10 + offset] << 8) | db[11 + offset]; 3909 else 3910 mask = 0xffff; 3911 3912 for (i = 0; i < 16; i++) { 3913 if (mask & (1 << i)) 3914 modes += add_3d_struct_modes(connector, 3915 structure_all, 3916 video_db, 3917 video_len, i); 3918 } 3919 } 3920 3921 offset += multi_len; 3922 3923 for (i = 0; i < (hdmi_3d_len - multi_len); i++) { 3924 int vic_index; 3925 struct drm_display_mode *newmode = NULL; 3926 unsigned int newflag = 0; 3927 bool detail_present; 3928 3929 detail_present = ((db[8 + offset + i] & 0x0f) > 7); 3930 3931 if (detail_present && (i + 1 == hdmi_3d_len - multi_len)) 3932 break; 3933 3934 /* 2D_VIC_order_X */ 3935 vic_index = db[8 + offset + i] >> 4; 3936 3937 /* 3D_Structure_X */ 3938 switch (db[8 + offset + i] & 0x0f) { 3939 case 0: 3940 newflag = DRM_MODE_FLAG_3D_FRAME_PACKING; 3941 break; 3942 case 6: 3943 newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM; 3944 break; 3945 case 8: 3946 /* 3D_Detail_X */ 3947 if ((db[9 + offset + i] >> 4) == 1) 3948 newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF; 3949 break; 3950 } 3951 3952 if (newflag != 0) { 3953 newmode = drm_display_mode_from_vic_index(connector, 3954 video_db, 3955 video_len, 3956 vic_index); 3957 3958 if (newmode) { 3959 newmode->flags |= newflag; 3960 drm_mode_probed_add(connector, newmode); 3961 modes++; 3962 } 3963 } 3964 3965 if (detail_present) 3966 i++; 3967 } 3968 3969 out: 3970 if (modes > 0) 3971 info->has_hdmi_infoframe = true; 3972 return modes; 3973 } 3974 3975 static int 3976 cea_db_payload_len(const u8 *db) 3977 { 3978 return db[0] & 0x1f; 3979 } 3980 3981 static int 3982 cea_db_extended_tag(const u8 *db) 3983 { 3984 return db[1]; 3985 } 3986 3987 static int 3988 cea_db_tag(const u8 *db) 3989 { 3990 return db[0] >> 5; 3991 } 3992 3993 static int 3994 cea_revision(const u8 *cea) 3995 { 3996 /* 3997 * FIXME is this correct for the DispID variant? 3998 * The DispID spec doesn't really specify whether 3999 * this is the revision of the CEA extension or 4000 * the DispID CEA data block. And the only value 4001 * given as an example is 0. 4002 */ 4003 return cea[1]; 4004 } 4005 4006 static int 4007 cea_db_offsets(const u8 *cea, int *start, int *end) 4008 { 4009 /* DisplayID CTA extension blocks and top-level CEA EDID 4010 * block header definitions differ in the following bytes: 4011 * 1) Byte 2 of the header specifies length differently, 4012 * 2) Byte 3 is only present in the CEA top level block. 4013 * 4014 * The different definitions for byte 2 follow. 4015 * 4016 * DisplayID CTA extension block defines byte 2 as: 4017 * Number of payload bytes 4018 * 4019 * CEA EDID block defines byte 2 as: 4020 * Byte number (decimal) within this block where the 18-byte 4021 * DTDs begin. If no non-DTD data is present in this extension 4022 * block, the value should be set to 04h (the byte after next). 4023 * If set to 00h, there are no DTDs present in this block and 4024 * no non-DTD data. 4025 */ 4026 if (cea[0] == DATA_BLOCK_CTA) { 4027 /* 4028 * for_each_displayid_db() has already verified 4029 * that these stay within expected bounds. 4030 */ 4031 *start = 3; 4032 *end = *start + cea[2]; 4033 } else if (cea[0] == CEA_EXT) { 4034 /* Data block offset in CEA extension block */ 4035 *start = 4; 4036 *end = cea[2]; 4037 if (*end == 0) 4038 *end = 127; 4039 if (*end < 4 || *end > 127) 4040 return -ERANGE; 4041 } else { 4042 return -EOPNOTSUPP; 4043 } 4044 4045 return 0; 4046 } 4047 4048 static bool cea_db_is_hdmi_vsdb(const u8 *db) 4049 { 4050 int hdmi_id; 4051 4052 if (cea_db_tag(db) != VENDOR_BLOCK) 4053 return false; 4054 4055 if (cea_db_payload_len(db) < 5) 4056 return false; 4057 4058 hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16); 4059 4060 return hdmi_id == HDMI_IEEE_OUI; 4061 } 4062 4063 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db) 4064 { 4065 unsigned int oui; 4066 4067 if (cea_db_tag(db) != VENDOR_BLOCK) 4068 return false; 4069 4070 if (cea_db_payload_len(db) < 7) 4071 return false; 4072 4073 oui = db[3] << 16 | db[2] << 8 | db[1]; 4074 4075 return oui == HDMI_FORUM_IEEE_OUI; 4076 } 4077 4078 static bool cea_db_is_vcdb(const u8 *db) 4079 { 4080 if (cea_db_tag(db) != USE_EXTENDED_TAG) 4081 return false; 4082 4083 if (cea_db_payload_len(db) != 2) 4084 return false; 4085 4086 if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK) 4087 return false; 4088 4089 return true; 4090 } 4091 4092 static bool cea_db_is_y420cmdb(const u8 *db) 4093 { 4094 if (cea_db_tag(db) != USE_EXTENDED_TAG) 4095 return false; 4096 4097 if (!cea_db_payload_len(db)) 4098 return false; 4099 4100 if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB) 4101 return false; 4102 4103 return true; 4104 } 4105 4106 static bool cea_db_is_y420vdb(const u8 *db) 4107 { 4108 if (cea_db_tag(db) != USE_EXTENDED_TAG) 4109 return false; 4110 4111 if (!cea_db_payload_len(db)) 4112 return false; 4113 4114 if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420) 4115 return false; 4116 4117 return true; 4118 } 4119 4120 #define for_each_cea_db(cea, i, start, end) \ 4121 for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1) 4122 4123 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector, 4124 const u8 *db) 4125 { 4126 struct drm_display_info *info = &connector->display_info; 4127 struct drm_hdmi_info *hdmi = &info->hdmi; 4128 u8 map_len = cea_db_payload_len(db) - 1; 4129 u8 count; 4130 u64 map = 0; 4131 4132 if (map_len == 0) { 4133 /* All CEA modes support ycbcr420 sampling also.*/ 4134 hdmi->y420_cmdb_map = U64_MAX; 4135 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420; 4136 return; 4137 } 4138 4139 /* 4140 * This map indicates which of the existing CEA block modes 4141 * from VDB can support YCBCR420 output too. So if bit=0 is 4142 * set, first mode from VDB can support YCBCR420 output too. 4143 * We will parse and keep this map, before parsing VDB itself 4144 * to avoid going through the same block again and again. 4145 * 4146 * Spec is not clear about max possible size of this block. 4147 * Clamping max bitmap block size at 8 bytes. Every byte can 4148 * address 8 CEA modes, in this way this map can address 4149 * 8*8 = first 64 SVDs. 4150 */ 4151 if (WARN_ON_ONCE(map_len > 8)) 4152 map_len = 8; 4153 4154 for (count = 0; count < map_len; count++) 4155 map |= (u64)db[2 + count] << (8 * count); 4156 4157 if (map) 4158 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420; 4159 4160 hdmi->y420_cmdb_map = map; 4161 } 4162 4163 static int 4164 add_cea_modes(struct drm_connector *connector, struct edid *edid) 4165 { 4166 const u8 *cea = drm_find_cea_extension(edid); 4167 const u8 *db, *hdmi = NULL, *video = NULL; 4168 u8 dbl, hdmi_len, video_len = 0; 4169 int modes = 0; 4170 4171 if (cea && cea_revision(cea) >= 3) { 4172 int i, start, end; 4173 4174 if (cea_db_offsets(cea, &start, &end)) 4175 return 0; 4176 4177 for_each_cea_db(cea, i, start, end) { 4178 db = &cea[i]; 4179 dbl = cea_db_payload_len(db); 4180 4181 if (cea_db_tag(db) == VIDEO_BLOCK) { 4182 video = db + 1; 4183 video_len = dbl; 4184 modes += do_cea_modes(connector, video, dbl); 4185 } else if (cea_db_is_hdmi_vsdb(db)) { 4186 hdmi = db; 4187 hdmi_len = dbl; 4188 } else if (cea_db_is_y420vdb(db)) { 4189 const u8 *vdb420 = &db[2]; 4190 4191 /* Add 4:2:0(only) modes present in EDID */ 4192 modes += do_y420vdb_modes(connector, 4193 vdb420, 4194 dbl - 1); 4195 } 4196 } 4197 } 4198 4199 /* 4200 * We parse the HDMI VSDB after having added the cea modes as we will 4201 * be patching their flags when the sink supports stereo 3D. 4202 */ 4203 if (hdmi) 4204 modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video, 4205 video_len); 4206 4207 return modes; 4208 } 4209 4210 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode) 4211 { 4212 const struct drm_display_mode *cea_mode; 4213 int clock1, clock2, clock; 4214 u8 vic; 4215 const char *type; 4216 4217 /* 4218 * allow 5kHz clock difference either way to account for 4219 * the 10kHz clock resolution limit of detailed timings. 4220 */ 4221 vic = drm_match_cea_mode_clock_tolerance(mode, 5); 4222 if (drm_valid_cea_vic(vic)) { 4223 type = "CEA"; 4224 cea_mode = cea_mode_for_vic(vic); 4225 clock1 = cea_mode->clock; 4226 clock2 = cea_mode_alternate_clock(cea_mode); 4227 } else { 4228 vic = drm_match_hdmi_mode_clock_tolerance(mode, 5); 4229 if (drm_valid_hdmi_vic(vic)) { 4230 type = "HDMI"; 4231 cea_mode = &edid_4k_modes[vic]; 4232 clock1 = cea_mode->clock; 4233 clock2 = hdmi_mode_alternate_clock(cea_mode); 4234 } else { 4235 return; 4236 } 4237 } 4238 4239 /* pick whichever is closest */ 4240 if (abs(mode->clock - clock1) < abs(mode->clock - clock2)) 4241 clock = clock1; 4242 else 4243 clock = clock2; 4244 4245 if (mode->clock == clock) 4246 return; 4247 4248 DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n", 4249 type, vic, mode->clock, clock); 4250 mode->clock = clock; 4251 } 4252 4253 static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db) 4254 { 4255 if (cea_db_tag(db) != USE_EXTENDED_TAG) 4256 return false; 4257 4258 if (db[1] != HDR_STATIC_METADATA_BLOCK) 4259 return false; 4260 4261 if (cea_db_payload_len(db) < 3) 4262 return false; 4263 4264 return true; 4265 } 4266 4267 static uint8_t eotf_supported(const u8 *edid_ext) 4268 { 4269 return edid_ext[2] & 4270 (BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) | 4271 BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) | 4272 BIT(HDMI_EOTF_SMPTE_ST2084) | 4273 BIT(HDMI_EOTF_BT_2100_HLG)); 4274 } 4275 4276 static uint8_t hdr_metadata_type(const u8 *edid_ext) 4277 { 4278 return edid_ext[3] & 4279 BIT(HDMI_STATIC_METADATA_TYPE1); 4280 } 4281 4282 static void 4283 drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db) 4284 { 4285 u16 len; 4286 4287 len = cea_db_payload_len(db); 4288 4289 connector->hdr_sink_metadata.hdmi_type1.eotf = 4290 eotf_supported(db); 4291 connector->hdr_sink_metadata.hdmi_type1.metadata_type = 4292 hdr_metadata_type(db); 4293 4294 if (len >= 4) 4295 connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4]; 4296 if (len >= 5) 4297 connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5]; 4298 if (len >= 6) 4299 connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6]; 4300 } 4301 4302 static void 4303 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db) 4304 { 4305 u8 len = cea_db_payload_len(db); 4306 4307 if (len >= 6 && (db[6] & (1 << 7))) 4308 connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI; 4309 if (len >= 8) { 4310 connector->latency_present[0] = db[8] >> 7; 4311 connector->latency_present[1] = (db[8] >> 6) & 1; 4312 } 4313 if (len >= 9) 4314 connector->video_latency[0] = db[9]; 4315 if (len >= 10) 4316 connector->audio_latency[0] = db[10]; 4317 if (len >= 11) 4318 connector->video_latency[1] = db[11]; 4319 if (len >= 12) 4320 connector->audio_latency[1] = db[12]; 4321 4322 DRM_DEBUG_KMS("HDMI: latency present %d %d, " 4323 "video latency %d %d, " 4324 "audio latency %d %d\n", 4325 connector->latency_present[0], 4326 connector->latency_present[1], 4327 connector->video_latency[0], 4328 connector->video_latency[1], 4329 connector->audio_latency[0], 4330 connector->audio_latency[1]); 4331 } 4332 4333 static void 4334 monitor_name(struct detailed_timing *t, void *data) 4335 { 4336 if (!is_display_descriptor((const u8 *)t, EDID_DETAIL_MONITOR_NAME)) 4337 return; 4338 4339 *(u8 **)data = t->data.other_data.data.str.str; 4340 } 4341 4342 static int get_monitor_name(struct edid *edid, char name[13]) 4343 { 4344 char *edid_name = NULL; 4345 int mnl; 4346 4347 if (!edid || !name) 4348 return 0; 4349 4350 drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name); 4351 for (mnl = 0; edid_name && mnl < 13; mnl++) { 4352 if (edid_name[mnl] == 0x0a) 4353 break; 4354 4355 name[mnl] = edid_name[mnl]; 4356 } 4357 4358 return mnl; 4359 } 4360 4361 /** 4362 * drm_edid_get_monitor_name - fetch the monitor name from the edid 4363 * @edid: monitor EDID information 4364 * @name: pointer to a character array to hold the name of the monitor 4365 * @bufsize: The size of the name buffer (should be at least 14 chars.) 4366 * 4367 */ 4368 void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize) 4369 { 4370 int name_length; 4371 char buf[13]; 4372 4373 if (bufsize <= 0) 4374 return; 4375 4376 name_length = min(get_monitor_name(edid, buf), bufsize - 1); 4377 memcpy(name, buf, name_length); 4378 name[name_length] = '\0'; 4379 } 4380 EXPORT_SYMBOL(drm_edid_get_monitor_name); 4381 4382 static void clear_eld(struct drm_connector *connector) 4383 { 4384 memset(connector->eld, 0, sizeof(connector->eld)); 4385 4386 connector->latency_present[0] = false; 4387 connector->latency_present[1] = false; 4388 connector->video_latency[0] = 0; 4389 connector->audio_latency[0] = 0; 4390 connector->video_latency[1] = 0; 4391 connector->audio_latency[1] = 0; 4392 } 4393 4394 /* 4395 * drm_edid_to_eld - build ELD from EDID 4396 * @connector: connector corresponding to the HDMI/DP sink 4397 * @edid: EDID to parse 4398 * 4399 * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The 4400 * HDCP and Port_ID ELD fields are left for the graphics driver to fill in. 4401 */ 4402 static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid) 4403 { 4404 uint8_t *eld = connector->eld; 4405 u8 *cea; 4406 u8 *db; 4407 int total_sad_count = 0; 4408 int mnl; 4409 int dbl; 4410 4411 clear_eld(connector); 4412 4413 if (!edid) 4414 return; 4415 4416 cea = drm_find_cea_extension(edid); 4417 if (!cea) { 4418 DRM_DEBUG_KMS("ELD: no CEA Extension found\n"); 4419 return; 4420 } 4421 4422 mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]); 4423 DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]); 4424 4425 eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT; 4426 eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl; 4427 4428 eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D; 4429 4430 eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0]; 4431 eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1]; 4432 eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0]; 4433 eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1]; 4434 4435 if (cea_revision(cea) >= 3) { 4436 int i, start, end; 4437 int sad_count; 4438 4439 if (cea_db_offsets(cea, &start, &end)) { 4440 start = 0; 4441 end = 0; 4442 } 4443 4444 for_each_cea_db(cea, i, start, end) { 4445 db = &cea[i]; 4446 dbl = cea_db_payload_len(db); 4447 4448 switch (cea_db_tag(db)) { 4449 case AUDIO_BLOCK: 4450 /* Audio Data Block, contains SADs */ 4451 sad_count = min(dbl / 3, 15 - total_sad_count); 4452 if (sad_count >= 1) 4453 memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)], 4454 &db[1], sad_count * 3); 4455 total_sad_count += sad_count; 4456 break; 4457 case SPEAKER_BLOCK: 4458 /* Speaker Allocation Data Block */ 4459 if (dbl >= 1) 4460 eld[DRM_ELD_SPEAKER] = db[1]; 4461 break; 4462 case VENDOR_BLOCK: 4463 /* HDMI Vendor-Specific Data Block */ 4464 if (cea_db_is_hdmi_vsdb(db)) 4465 drm_parse_hdmi_vsdb_audio(connector, db); 4466 break; 4467 default: 4468 break; 4469 } 4470 } 4471 } 4472 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT; 4473 4474 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort || 4475 connector->connector_type == DRM_MODE_CONNECTOR_eDP) 4476 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP; 4477 else 4478 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI; 4479 4480 eld[DRM_ELD_BASELINE_ELD_LEN] = 4481 DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4); 4482 4483 DRM_DEBUG_KMS("ELD size %d, SAD count %d\n", 4484 drm_eld_size(eld), total_sad_count); 4485 } 4486 4487 /** 4488 * drm_edid_to_sad - extracts SADs from EDID 4489 * @edid: EDID to parse 4490 * @sads: pointer that will be set to the extracted SADs 4491 * 4492 * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it. 4493 * 4494 * Note: The returned pointer needs to be freed using kfree(). 4495 * 4496 * Return: The number of found SADs or negative number on error. 4497 */ 4498 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads) 4499 { 4500 int count = 0; 4501 int i, start, end, dbl; 4502 u8 *cea; 4503 4504 cea = drm_find_cea_extension(edid); 4505 if (!cea) { 4506 DRM_DEBUG_KMS("SAD: no CEA Extension found\n"); 4507 return 0; 4508 } 4509 4510 if (cea_revision(cea) < 3) { 4511 DRM_DEBUG_KMS("SAD: wrong CEA revision\n"); 4512 return 0; 4513 } 4514 4515 if (cea_db_offsets(cea, &start, &end)) { 4516 DRM_DEBUG_KMS("SAD: invalid data block offsets\n"); 4517 return -EPROTO; 4518 } 4519 4520 for_each_cea_db(cea, i, start, end) { 4521 u8 *db = &cea[i]; 4522 4523 if (cea_db_tag(db) == AUDIO_BLOCK) { 4524 int j; 4525 dbl = cea_db_payload_len(db); 4526 4527 count = dbl / 3; /* SAD is 3B */ 4528 *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL); 4529 if (!*sads) 4530 return -ENOMEM; 4531 for (j = 0; j < count; j++) { 4532 u8 *sad = &db[1 + j * 3]; 4533 4534 (*sads)[j].format = (sad[0] & 0x78) >> 3; 4535 (*sads)[j].channels = sad[0] & 0x7; 4536 (*sads)[j].freq = sad[1] & 0x7F; 4537 (*sads)[j].byte2 = sad[2]; 4538 } 4539 break; 4540 } 4541 } 4542 4543 return count; 4544 } 4545 EXPORT_SYMBOL(drm_edid_to_sad); 4546 4547 /** 4548 * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID 4549 * @edid: EDID to parse 4550 * @sadb: pointer to the speaker block 4551 * 4552 * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it. 4553 * 4554 * Note: The returned pointer needs to be freed using kfree(). 4555 * 4556 * Return: The number of found Speaker Allocation Blocks or negative number on 4557 * error. 4558 */ 4559 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb) 4560 { 4561 int count = 0; 4562 int i, start, end, dbl; 4563 const u8 *cea; 4564 4565 cea = drm_find_cea_extension(edid); 4566 if (!cea) { 4567 DRM_DEBUG_KMS("SAD: no CEA Extension found\n"); 4568 return 0; 4569 } 4570 4571 if (cea_revision(cea) < 3) { 4572 DRM_DEBUG_KMS("SAD: wrong CEA revision\n"); 4573 return 0; 4574 } 4575 4576 if (cea_db_offsets(cea, &start, &end)) { 4577 DRM_DEBUG_KMS("SAD: invalid data block offsets\n"); 4578 return -EPROTO; 4579 } 4580 4581 for_each_cea_db(cea, i, start, end) { 4582 const u8 *db = &cea[i]; 4583 4584 if (cea_db_tag(db) == SPEAKER_BLOCK) { 4585 dbl = cea_db_payload_len(db); 4586 4587 /* Speaker Allocation Data Block */ 4588 if (dbl == 3) { 4589 *sadb = kmemdup(&db[1], dbl, GFP_KERNEL); 4590 if (!*sadb) 4591 return -ENOMEM; 4592 count = dbl; 4593 break; 4594 } 4595 } 4596 } 4597 4598 return count; 4599 } 4600 EXPORT_SYMBOL(drm_edid_to_speaker_allocation); 4601 4602 /** 4603 * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay 4604 * @connector: connector associated with the HDMI/DP sink 4605 * @mode: the display mode 4606 * 4607 * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if 4608 * the sink doesn't support audio or video. 4609 */ 4610 int drm_av_sync_delay(struct drm_connector *connector, 4611 const struct drm_display_mode *mode) 4612 { 4613 int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE); 4614 int a, v; 4615 4616 if (!connector->latency_present[0]) 4617 return 0; 4618 if (!connector->latency_present[1]) 4619 i = 0; 4620 4621 a = connector->audio_latency[i]; 4622 v = connector->video_latency[i]; 4623 4624 /* 4625 * HDMI/DP sink doesn't support audio or video? 4626 */ 4627 if (a == 255 || v == 255) 4628 return 0; 4629 4630 /* 4631 * Convert raw EDID values to millisecond. 4632 * Treat unknown latency as 0ms. 4633 */ 4634 if (a) 4635 a = min(2 * (a - 1), 500); 4636 if (v) 4637 v = min(2 * (v - 1), 500); 4638 4639 return max(v - a, 0); 4640 } 4641 EXPORT_SYMBOL(drm_av_sync_delay); 4642 4643 /** 4644 * drm_detect_hdmi_monitor - detect whether monitor is HDMI 4645 * @edid: monitor EDID information 4646 * 4647 * Parse the CEA extension according to CEA-861-B. 4648 * 4649 * Drivers that have added the modes parsed from EDID to drm_display_info 4650 * should use &drm_display_info.is_hdmi instead of calling this function. 4651 * 4652 * Return: True if the monitor is HDMI, false if not or unknown. 4653 */ 4654 bool drm_detect_hdmi_monitor(struct edid *edid) 4655 { 4656 u8 *edid_ext; 4657 int i; 4658 int start_offset, end_offset; 4659 4660 edid_ext = drm_find_cea_extension(edid); 4661 if (!edid_ext) 4662 return false; 4663 4664 if (cea_db_offsets(edid_ext, &start_offset, &end_offset)) 4665 return false; 4666 4667 /* 4668 * Because HDMI identifier is in Vendor Specific Block, 4669 * search it from all data blocks of CEA extension. 4670 */ 4671 for_each_cea_db(edid_ext, i, start_offset, end_offset) { 4672 if (cea_db_is_hdmi_vsdb(&edid_ext[i])) 4673 return true; 4674 } 4675 4676 return false; 4677 } 4678 EXPORT_SYMBOL(drm_detect_hdmi_monitor); 4679 4680 /** 4681 * drm_detect_monitor_audio - check monitor audio capability 4682 * @edid: EDID block to scan 4683 * 4684 * Monitor should have CEA extension block. 4685 * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic 4686 * audio' only. If there is any audio extension block and supported 4687 * audio format, assume at least 'basic audio' support, even if 'basic 4688 * audio' is not defined in EDID. 4689 * 4690 * Return: True if the monitor supports audio, false otherwise. 4691 */ 4692 bool drm_detect_monitor_audio(struct edid *edid) 4693 { 4694 u8 *edid_ext; 4695 int i, j; 4696 bool has_audio = false; 4697 int start_offset, end_offset; 4698 4699 edid_ext = drm_find_cea_extension(edid); 4700 if (!edid_ext) 4701 goto end; 4702 4703 has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0); 4704 4705 if (has_audio) { 4706 DRM_DEBUG_KMS("Monitor has basic audio support\n"); 4707 goto end; 4708 } 4709 4710 if (cea_db_offsets(edid_ext, &start_offset, &end_offset)) 4711 goto end; 4712 4713 for_each_cea_db(edid_ext, i, start_offset, end_offset) { 4714 if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) { 4715 has_audio = true; 4716 for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3) 4717 DRM_DEBUG_KMS("CEA audio format %d\n", 4718 (edid_ext[i + j] >> 3) & 0xf); 4719 goto end; 4720 } 4721 } 4722 end: 4723 return has_audio; 4724 } 4725 EXPORT_SYMBOL(drm_detect_monitor_audio); 4726 4727 4728 /** 4729 * drm_default_rgb_quant_range - default RGB quantization range 4730 * @mode: display mode 4731 * 4732 * Determine the default RGB quantization range for the mode, 4733 * as specified in CEA-861. 4734 * 4735 * Return: The default RGB quantization range for the mode 4736 */ 4737 enum hdmi_quantization_range 4738 drm_default_rgb_quant_range(const struct drm_display_mode *mode) 4739 { 4740 /* All CEA modes other than VIC 1 use limited quantization range. */ 4741 return drm_match_cea_mode(mode) > 1 ? 4742 HDMI_QUANTIZATION_RANGE_LIMITED : 4743 HDMI_QUANTIZATION_RANGE_FULL; 4744 } 4745 EXPORT_SYMBOL(drm_default_rgb_quant_range); 4746 4747 static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db) 4748 { 4749 struct drm_display_info *info = &connector->display_info; 4750 4751 DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]); 4752 4753 if (db[2] & EDID_CEA_VCDB_QS) 4754 info->rgb_quant_range_selectable = true; 4755 } 4756 4757 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector, 4758 const u8 *db) 4759 { 4760 u8 dc_mask; 4761 struct drm_hdmi_info *hdmi = &connector->display_info.hdmi; 4762 4763 dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK; 4764 hdmi->y420_dc_modes = dc_mask; 4765 } 4766 4767 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector, 4768 const u8 *hf_vsdb) 4769 { 4770 struct drm_display_info *display = &connector->display_info; 4771 struct drm_hdmi_info *hdmi = &display->hdmi; 4772 4773 display->has_hdmi_infoframe = true; 4774 4775 if (hf_vsdb[6] & 0x80) { 4776 hdmi->scdc.supported = true; 4777 if (hf_vsdb[6] & 0x40) 4778 hdmi->scdc.read_request = true; 4779 } 4780 4781 /* 4782 * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz. 4783 * And as per the spec, three factors confirm this: 4784 * * Availability of a HF-VSDB block in EDID (check) 4785 * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check) 4786 * * SCDC support available (let's check) 4787 * Lets check it out. 4788 */ 4789 4790 if (hf_vsdb[5]) { 4791 /* max clock is 5000 KHz times block value */ 4792 u32 max_tmds_clock = hf_vsdb[5] * 5000; 4793 struct drm_scdc *scdc = &hdmi->scdc; 4794 4795 if (max_tmds_clock > 340000) { 4796 display->max_tmds_clock = max_tmds_clock; 4797 DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n", 4798 display->max_tmds_clock); 4799 } 4800 4801 if (scdc->supported) { 4802 scdc->scrambling.supported = true; 4803 4804 /* Few sinks support scrambling for clocks < 340M */ 4805 if ((hf_vsdb[6] & 0x8)) 4806 scdc->scrambling.low_rates = true; 4807 } 4808 } 4809 4810 drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb); 4811 } 4812 4813 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector, 4814 const u8 *hdmi) 4815 { 4816 struct drm_display_info *info = &connector->display_info; 4817 unsigned int dc_bpc = 0; 4818 4819 /* HDMI supports at least 8 bpc */ 4820 info->bpc = 8; 4821 4822 if (cea_db_payload_len(hdmi) < 6) 4823 return; 4824 4825 if (hdmi[6] & DRM_EDID_HDMI_DC_30) { 4826 dc_bpc = 10; 4827 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30; 4828 DRM_DEBUG("%s: HDMI sink does deep color 30.\n", 4829 connector->name); 4830 } 4831 4832 if (hdmi[6] & DRM_EDID_HDMI_DC_36) { 4833 dc_bpc = 12; 4834 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36; 4835 DRM_DEBUG("%s: HDMI sink does deep color 36.\n", 4836 connector->name); 4837 } 4838 4839 if (hdmi[6] & DRM_EDID_HDMI_DC_48) { 4840 dc_bpc = 16; 4841 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48; 4842 DRM_DEBUG("%s: HDMI sink does deep color 48.\n", 4843 connector->name); 4844 } 4845 4846 if (dc_bpc == 0) { 4847 DRM_DEBUG("%s: No deep color support on this HDMI sink.\n", 4848 connector->name); 4849 return; 4850 } 4851 4852 DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n", 4853 connector->name, dc_bpc); 4854 info->bpc = dc_bpc; 4855 4856 /* 4857 * Deep color support mandates RGB444 support for all video 4858 * modes and forbids YCRCB422 support for all video modes per 4859 * HDMI 1.3 spec. 4860 */ 4861 info->color_formats = DRM_COLOR_FORMAT_RGB444; 4862 4863 /* YCRCB444 is optional according to spec. */ 4864 if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) { 4865 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444; 4866 DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n", 4867 connector->name); 4868 } 4869 4870 /* 4871 * Spec says that if any deep color mode is supported at all, 4872 * then deep color 36 bit must be supported. 4873 */ 4874 if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) { 4875 DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n", 4876 connector->name); 4877 } 4878 } 4879 4880 static void 4881 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db) 4882 { 4883 struct drm_display_info *info = &connector->display_info; 4884 u8 len = cea_db_payload_len(db); 4885 4886 info->is_hdmi = true; 4887 4888 if (len >= 6) 4889 info->dvi_dual = db[6] & 1; 4890 if (len >= 7) 4891 info->max_tmds_clock = db[7] * 5000; 4892 4893 DRM_DEBUG_KMS("HDMI: DVI dual %d, " 4894 "max TMDS clock %d kHz\n", 4895 info->dvi_dual, 4896 info->max_tmds_clock); 4897 4898 drm_parse_hdmi_deep_color_info(connector, db); 4899 } 4900 4901 static void drm_parse_cea_ext(struct drm_connector *connector, 4902 const struct edid *edid) 4903 { 4904 struct drm_display_info *info = &connector->display_info; 4905 const u8 *edid_ext; 4906 int i, start, end; 4907 4908 edid_ext = drm_find_cea_extension(edid); 4909 if (!edid_ext) 4910 return; 4911 4912 info->cea_rev = edid_ext[1]; 4913 4914 /* The existence of a CEA block should imply RGB support */ 4915 info->color_formats = DRM_COLOR_FORMAT_RGB444; 4916 if (edid_ext[3] & EDID_CEA_YCRCB444) 4917 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444; 4918 if (edid_ext[3] & EDID_CEA_YCRCB422) 4919 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422; 4920 4921 if (cea_db_offsets(edid_ext, &start, &end)) 4922 return; 4923 4924 for_each_cea_db(edid_ext, i, start, end) { 4925 const u8 *db = &edid_ext[i]; 4926 4927 if (cea_db_is_hdmi_vsdb(db)) 4928 drm_parse_hdmi_vsdb_video(connector, db); 4929 if (cea_db_is_hdmi_forum_vsdb(db)) 4930 drm_parse_hdmi_forum_vsdb(connector, db); 4931 if (cea_db_is_y420cmdb(db)) 4932 drm_parse_y420cmdb_bitmap(connector, db); 4933 if (cea_db_is_vcdb(db)) 4934 drm_parse_vcdb(connector, db); 4935 if (cea_db_is_hdmi_hdr_metadata_block(db)) 4936 drm_parse_hdr_metadata_block(connector, db); 4937 } 4938 } 4939 4940 static 4941 void get_monitor_range(struct detailed_timing *timing, 4942 void *info_monitor_range) 4943 { 4944 struct drm_monitor_range_info *monitor_range = info_monitor_range; 4945 const struct detailed_non_pixel *data = &timing->data.other_data; 4946 const struct detailed_data_monitor_range *range = &data->data.range; 4947 4948 if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE)) 4949 return; 4950 4951 /* 4952 * Check for flag range limits only. If flag == 1 then 4953 * no additional timing information provided. 4954 * Default GTF, GTF Secondary curve and CVT are not 4955 * supported 4956 */ 4957 if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG) 4958 return; 4959 4960 monitor_range->min_vfreq = range->min_vfreq; 4961 monitor_range->max_vfreq = range->max_vfreq; 4962 } 4963 4964 static 4965 void drm_get_monitor_range(struct drm_connector *connector, 4966 const struct edid *edid) 4967 { 4968 struct drm_display_info *info = &connector->display_info; 4969 4970 if (!version_greater(edid, 1, 1)) 4971 return; 4972 4973 drm_for_each_detailed_block((u8 *)edid, get_monitor_range, 4974 &info->monitor_range); 4975 4976 DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n", 4977 info->monitor_range.min_vfreq, 4978 info->monitor_range.max_vfreq); 4979 } 4980 4981 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset 4982 * all of the values which would have been set from EDID 4983 */ 4984 void 4985 drm_reset_display_info(struct drm_connector *connector) 4986 { 4987 struct drm_display_info *info = &connector->display_info; 4988 4989 info->width_mm = 0; 4990 info->height_mm = 0; 4991 4992 info->bpc = 0; 4993 info->color_formats = 0; 4994 info->cea_rev = 0; 4995 info->max_tmds_clock = 0; 4996 info->dvi_dual = false; 4997 info->is_hdmi = false; 4998 info->has_hdmi_infoframe = false; 4999 info->rgb_quant_range_selectable = false; 5000 memset(&info->hdmi, 0, sizeof(info->hdmi)); 5001 5002 info->non_desktop = 0; 5003 memset(&info->monitor_range, 0, sizeof(info->monitor_range)); 5004 } 5005 5006 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid) 5007 { 5008 struct drm_display_info *info = &connector->display_info; 5009 5010 u32 quirks = edid_get_quirks(edid); 5011 5012 drm_reset_display_info(connector); 5013 5014 info->width_mm = edid->width_cm * 10; 5015 info->height_mm = edid->height_cm * 10; 5016 5017 info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP); 5018 5019 drm_get_monitor_range(connector, edid); 5020 5021 DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop); 5022 5023 if (edid->revision < 3) 5024 return quirks; 5025 5026 if (!(edid->input & DRM_EDID_INPUT_DIGITAL)) 5027 return quirks; 5028 5029 drm_parse_cea_ext(connector, edid); 5030 5031 /* 5032 * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3? 5033 * 5034 * For such displays, the DFP spec 1.0, section 3.10 "EDID support" 5035 * tells us to assume 8 bpc color depth if the EDID doesn't have 5036 * extensions which tell otherwise. 5037 */ 5038 if (info->bpc == 0 && edid->revision == 3 && 5039 edid->input & DRM_EDID_DIGITAL_DFP_1_X) { 5040 info->bpc = 8; 5041 DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n", 5042 connector->name, info->bpc); 5043 } 5044 5045 /* Only defined for 1.4 with digital displays */ 5046 if (edid->revision < 4) 5047 return quirks; 5048 5049 switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) { 5050 case DRM_EDID_DIGITAL_DEPTH_6: 5051 info->bpc = 6; 5052 break; 5053 case DRM_EDID_DIGITAL_DEPTH_8: 5054 info->bpc = 8; 5055 break; 5056 case DRM_EDID_DIGITAL_DEPTH_10: 5057 info->bpc = 10; 5058 break; 5059 case DRM_EDID_DIGITAL_DEPTH_12: 5060 info->bpc = 12; 5061 break; 5062 case DRM_EDID_DIGITAL_DEPTH_14: 5063 info->bpc = 14; 5064 break; 5065 case DRM_EDID_DIGITAL_DEPTH_16: 5066 info->bpc = 16; 5067 break; 5068 case DRM_EDID_DIGITAL_DEPTH_UNDEF: 5069 default: 5070 info->bpc = 0; 5071 break; 5072 } 5073 5074 DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n", 5075 connector->name, info->bpc); 5076 5077 info->color_formats |= DRM_COLOR_FORMAT_RGB444; 5078 if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444) 5079 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444; 5080 if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422) 5081 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422; 5082 return quirks; 5083 } 5084 5085 static int validate_displayid(u8 *displayid, int length, int idx) 5086 { 5087 int i; 5088 u8 csum = 0; 5089 struct displayid_hdr *base; 5090 5091 base = (struct displayid_hdr *)&displayid[idx]; 5092 5093 DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n", 5094 base->rev, base->bytes, base->prod_id, base->ext_count); 5095 5096 if (base->bytes + 5 > length - idx) 5097 return -EINVAL; 5098 for (i = idx; i <= base->bytes + 5; i++) { 5099 csum += displayid[i]; 5100 } 5101 if (csum) { 5102 DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum); 5103 return -EINVAL; 5104 } 5105 return 0; 5106 } 5107 5108 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev, 5109 struct displayid_detailed_timings_1 *timings) 5110 { 5111 struct drm_display_mode *mode; 5112 unsigned pixel_clock = (timings->pixel_clock[0] | 5113 (timings->pixel_clock[1] << 8) | 5114 (timings->pixel_clock[2] << 16)); 5115 unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1; 5116 unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1; 5117 unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1; 5118 unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1; 5119 unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1; 5120 unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1; 5121 unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1; 5122 unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1; 5123 bool hsync_positive = (timings->hsync[1] >> 7) & 0x1; 5124 bool vsync_positive = (timings->vsync[1] >> 7) & 0x1; 5125 mode = drm_mode_create(dev); 5126 if (!mode) 5127 return NULL; 5128 5129 mode->clock = pixel_clock * 10; 5130 mode->hdisplay = hactive; 5131 mode->hsync_start = mode->hdisplay + hsync; 5132 mode->hsync_end = mode->hsync_start + hsync_width; 5133 mode->htotal = mode->hdisplay + hblank; 5134 5135 mode->vdisplay = vactive; 5136 mode->vsync_start = mode->vdisplay + vsync; 5137 mode->vsync_end = mode->vsync_start + vsync_width; 5138 mode->vtotal = mode->vdisplay + vblank; 5139 5140 mode->flags = 0; 5141 mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC; 5142 mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC; 5143 mode->type = DRM_MODE_TYPE_DRIVER; 5144 5145 if (timings->flags & 0x80) 5146 mode->type |= DRM_MODE_TYPE_PREFERRED; 5147 mode->vrefresh = drm_mode_vrefresh(mode); 5148 drm_mode_set_name(mode); 5149 5150 return mode; 5151 } 5152 5153 static int add_displayid_detailed_1_modes(struct drm_connector *connector, 5154 struct displayid_block *block) 5155 { 5156 struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block; 5157 int i; 5158 int num_timings; 5159 struct drm_display_mode *newmode; 5160 int num_modes = 0; 5161 /* blocks must be multiple of 20 bytes length */ 5162 if (block->num_bytes % 20) 5163 return 0; 5164 5165 num_timings = block->num_bytes / 20; 5166 for (i = 0; i < num_timings; i++) { 5167 struct displayid_detailed_timings_1 *timings = &det->timings[i]; 5168 5169 newmode = drm_mode_displayid_detailed(connector->dev, timings); 5170 if (!newmode) 5171 continue; 5172 5173 drm_mode_probed_add(connector, newmode); 5174 num_modes++; 5175 } 5176 return num_modes; 5177 } 5178 5179 static int add_displayid_detailed_modes(struct drm_connector *connector, 5180 struct edid *edid) 5181 { 5182 u8 *displayid; 5183 int ret; 5184 int idx = 1; 5185 int length = EDID_LENGTH; 5186 struct displayid_block *block; 5187 int num_modes = 0; 5188 5189 displayid = drm_find_displayid_extension(edid); 5190 if (!displayid) 5191 return 0; 5192 5193 ret = validate_displayid(displayid, length, idx); 5194 if (ret) 5195 return 0; 5196 5197 idx += sizeof(struct displayid_hdr); 5198 for_each_displayid_db(displayid, block, idx, length) { 5199 switch (block->tag) { 5200 case DATA_BLOCK_TYPE_1_DETAILED_TIMING: 5201 num_modes += add_displayid_detailed_1_modes(connector, block); 5202 break; 5203 } 5204 } 5205 return num_modes; 5206 } 5207 5208 /** 5209 * drm_add_edid_modes - add modes from EDID data, if available 5210 * @connector: connector we're probing 5211 * @edid: EDID data 5212 * 5213 * Add the specified modes to the connector's mode list. Also fills out the 5214 * &drm_display_info structure and ELD in @connector with any information which 5215 * can be derived from the edid. 5216 * 5217 * Return: The number of modes added or 0 if we couldn't find any. 5218 */ 5219 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid) 5220 { 5221 int num_modes = 0; 5222 u32 quirks; 5223 5224 if (edid == NULL) { 5225 clear_eld(connector); 5226 return 0; 5227 } 5228 if (!drm_edid_is_valid(edid)) { 5229 clear_eld(connector); 5230 dev_warn(connector->dev->dev, "%s: EDID invalid.\n", 5231 connector->name); 5232 return 0; 5233 } 5234 5235 drm_edid_to_eld(connector, edid); 5236 5237 /* 5238 * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks. 5239 * To avoid multiple parsing of same block, lets parse that map 5240 * from sink info, before parsing CEA modes. 5241 */ 5242 quirks = drm_add_display_info(connector, edid); 5243 5244 /* 5245 * EDID spec says modes should be preferred in this order: 5246 * - preferred detailed mode 5247 * - other detailed modes from base block 5248 * - detailed modes from extension blocks 5249 * - CVT 3-byte code modes 5250 * - standard timing codes 5251 * - established timing codes 5252 * - modes inferred from GTF or CVT range information 5253 * 5254 * We get this pretty much right. 5255 * 5256 * XXX order for additional mode types in extension blocks? 5257 */ 5258 num_modes += add_detailed_modes(connector, edid, quirks); 5259 num_modes += add_cvt_modes(connector, edid); 5260 num_modes += add_standard_modes(connector, edid); 5261 num_modes += add_established_modes(connector, edid); 5262 num_modes += add_cea_modes(connector, edid); 5263 num_modes += add_alternate_cea_modes(connector, edid); 5264 num_modes += add_displayid_detailed_modes(connector, edid); 5265 if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF) 5266 num_modes += add_inferred_modes(connector, edid); 5267 5268 if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75)) 5269 edid_fixup_preferred(connector, quirks); 5270 5271 if (quirks & EDID_QUIRK_FORCE_6BPC) 5272 connector->display_info.bpc = 6; 5273 5274 if (quirks & EDID_QUIRK_FORCE_8BPC) 5275 connector->display_info.bpc = 8; 5276 5277 if (quirks & EDID_QUIRK_FORCE_10BPC) 5278 connector->display_info.bpc = 10; 5279 5280 if (quirks & EDID_QUIRK_FORCE_12BPC) 5281 connector->display_info.bpc = 12; 5282 5283 return num_modes; 5284 } 5285 EXPORT_SYMBOL(drm_add_edid_modes); 5286 5287 /** 5288 * drm_add_modes_noedid - add modes for the connectors without EDID 5289 * @connector: connector we're probing 5290 * @hdisplay: the horizontal display limit 5291 * @vdisplay: the vertical display limit 5292 * 5293 * Add the specified modes to the connector's mode list. Only when the 5294 * hdisplay/vdisplay is not beyond the given limit, it will be added. 5295 * 5296 * Return: The number of modes added or 0 if we couldn't find any. 5297 */ 5298 int drm_add_modes_noedid(struct drm_connector *connector, 5299 int hdisplay, int vdisplay) 5300 { 5301 int i, count, num_modes = 0; 5302 struct drm_display_mode *mode; 5303 struct drm_device *dev = connector->dev; 5304 5305 count = ARRAY_SIZE(drm_dmt_modes); 5306 if (hdisplay < 0) 5307 hdisplay = 0; 5308 if (vdisplay < 0) 5309 vdisplay = 0; 5310 5311 for (i = 0; i < count; i++) { 5312 const struct drm_display_mode *ptr = &drm_dmt_modes[i]; 5313 if (hdisplay && vdisplay) { 5314 /* 5315 * Only when two are valid, they will be used to check 5316 * whether the mode should be added to the mode list of 5317 * the connector. 5318 */ 5319 if (ptr->hdisplay > hdisplay || 5320 ptr->vdisplay > vdisplay) 5321 continue; 5322 } 5323 if (drm_mode_vrefresh(ptr) > 61) 5324 continue; 5325 mode = drm_mode_duplicate(dev, ptr); 5326 if (mode) { 5327 drm_mode_probed_add(connector, mode); 5328 num_modes++; 5329 } 5330 } 5331 return num_modes; 5332 } 5333 EXPORT_SYMBOL(drm_add_modes_noedid); 5334 5335 /** 5336 * drm_set_preferred_mode - Sets the preferred mode of a connector 5337 * @connector: connector whose mode list should be processed 5338 * @hpref: horizontal resolution of preferred mode 5339 * @vpref: vertical resolution of preferred mode 5340 * 5341 * Marks a mode as preferred if it matches the resolution specified by @hpref 5342 * and @vpref. 5343 */ 5344 void drm_set_preferred_mode(struct drm_connector *connector, 5345 int hpref, int vpref) 5346 { 5347 struct drm_display_mode *mode; 5348 5349 list_for_each_entry(mode, &connector->probed_modes, head) { 5350 if (mode->hdisplay == hpref && 5351 mode->vdisplay == vpref) 5352 mode->type |= DRM_MODE_TYPE_PREFERRED; 5353 } 5354 } 5355 EXPORT_SYMBOL(drm_set_preferred_mode); 5356 5357 static bool is_hdmi2_sink(struct drm_connector *connector) 5358 { 5359 /* 5360 * FIXME: sil-sii8620 doesn't have a connector around when 5361 * we need one, so we have to be prepared for a NULL connector. 5362 */ 5363 if (!connector) 5364 return true; 5365 5366 return connector->display_info.hdmi.scdc.supported || 5367 connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420; 5368 } 5369 5370 static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf) 5371 { 5372 return sink_eotf & BIT(output_eotf); 5373 } 5374 5375 /** 5376 * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with 5377 * HDR metadata from userspace 5378 * @frame: HDMI DRM infoframe 5379 * @conn_state: Connector state containing HDR metadata 5380 * 5381 * Return: 0 on success or a negative error code on failure. 5382 */ 5383 int 5384 drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame, 5385 const struct drm_connector_state *conn_state) 5386 { 5387 struct drm_connector *connector; 5388 struct hdr_output_metadata *hdr_metadata; 5389 int err; 5390 5391 if (!frame || !conn_state) 5392 return -EINVAL; 5393 5394 connector = conn_state->connector; 5395 5396 if (!conn_state->hdr_output_metadata) 5397 return -EINVAL; 5398 5399 hdr_metadata = conn_state->hdr_output_metadata->data; 5400 5401 if (!hdr_metadata || !connector) 5402 return -EINVAL; 5403 5404 /* Sink EOTF is Bit map while infoframe is absolute values */ 5405 if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf, 5406 connector->hdr_sink_metadata.hdmi_type1.eotf)) { 5407 DRM_DEBUG_KMS("EOTF Not Supported\n"); 5408 return -EINVAL; 5409 } 5410 5411 err = hdmi_drm_infoframe_init(frame); 5412 if (err < 0) 5413 return err; 5414 5415 frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf; 5416 frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type; 5417 5418 BUILD_BUG_ON(sizeof(frame->display_primaries) != 5419 sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries)); 5420 BUILD_BUG_ON(sizeof(frame->white_point) != 5421 sizeof(hdr_metadata->hdmi_metadata_type1.white_point)); 5422 5423 memcpy(&frame->display_primaries, 5424 &hdr_metadata->hdmi_metadata_type1.display_primaries, 5425 sizeof(frame->display_primaries)); 5426 5427 memcpy(&frame->white_point, 5428 &hdr_metadata->hdmi_metadata_type1.white_point, 5429 sizeof(frame->white_point)); 5430 5431 frame->max_display_mastering_luminance = 5432 hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance; 5433 frame->min_display_mastering_luminance = 5434 hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance; 5435 frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall; 5436 frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll; 5437 5438 return 0; 5439 } 5440 EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata); 5441 5442 static u8 drm_mode_hdmi_vic(struct drm_connector *connector, 5443 const struct drm_display_mode *mode) 5444 { 5445 bool has_hdmi_infoframe = connector ? 5446 connector->display_info.has_hdmi_infoframe : false; 5447 5448 if (!has_hdmi_infoframe) 5449 return 0; 5450 5451 /* No HDMI VIC when signalling 3D video format */ 5452 if (mode->flags & DRM_MODE_FLAG_3D_MASK) 5453 return 0; 5454 5455 return drm_match_hdmi_mode(mode); 5456 } 5457 5458 static u8 drm_mode_cea_vic(struct drm_connector *connector, 5459 const struct drm_display_mode *mode) 5460 { 5461 u8 vic; 5462 5463 /* 5464 * HDMI spec says if a mode is found in HDMI 1.4b 4K modes 5465 * we should send its VIC in vendor infoframes, else send the 5466 * VIC in AVI infoframes. Lets check if this mode is present in 5467 * HDMI 1.4b 4K modes 5468 */ 5469 if (drm_mode_hdmi_vic(connector, mode)) 5470 return 0; 5471 5472 vic = drm_match_cea_mode(mode); 5473 5474 /* 5475 * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but 5476 * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we 5477 * have to make sure we dont break HDMI 1.4 sinks. 5478 */ 5479 if (!is_hdmi2_sink(connector) && vic > 64) 5480 return 0; 5481 5482 return vic; 5483 } 5484 5485 /** 5486 * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with 5487 * data from a DRM display mode 5488 * @frame: HDMI AVI infoframe 5489 * @connector: the connector 5490 * @mode: DRM display mode 5491 * 5492 * Return: 0 on success or a negative error code on failure. 5493 */ 5494 int 5495 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame, 5496 struct drm_connector *connector, 5497 const struct drm_display_mode *mode) 5498 { 5499 enum hdmi_picture_aspect picture_aspect; 5500 u8 vic, hdmi_vic; 5501 5502 if (!frame || !mode) 5503 return -EINVAL; 5504 5505 hdmi_avi_infoframe_init(frame); 5506 5507 if (mode->flags & DRM_MODE_FLAG_DBLCLK) 5508 frame->pixel_repeat = 1; 5509 5510 vic = drm_mode_cea_vic(connector, mode); 5511 hdmi_vic = drm_mode_hdmi_vic(connector, mode); 5512 5513 frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE; 5514 5515 /* 5516 * As some drivers don't support atomic, we can't use connector state. 5517 * So just initialize the frame with default values, just the same way 5518 * as it's done with other properties here. 5519 */ 5520 frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS; 5521 frame->itc = 0; 5522 5523 /* 5524 * Populate picture aspect ratio from either 5525 * user input (if specified) or from the CEA/HDMI mode lists. 5526 */ 5527 picture_aspect = mode->picture_aspect_ratio; 5528 if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) { 5529 if (vic) 5530 picture_aspect = drm_get_cea_aspect_ratio(vic); 5531 else if (hdmi_vic) 5532 picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic); 5533 } 5534 5535 /* 5536 * The infoframe can't convey anything but none, 4:3 5537 * and 16:9, so if the user has asked for anything else 5538 * we can only satisfy it by specifying the right VIC. 5539 */ 5540 if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) { 5541 if (vic) { 5542 if (picture_aspect != drm_get_cea_aspect_ratio(vic)) 5543 return -EINVAL; 5544 } else if (hdmi_vic) { 5545 if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic)) 5546 return -EINVAL; 5547 } else { 5548 return -EINVAL; 5549 } 5550 5551 picture_aspect = HDMI_PICTURE_ASPECT_NONE; 5552 } 5553 5554 frame->video_code = vic; 5555 frame->picture_aspect = picture_aspect; 5556 frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE; 5557 frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN; 5558 5559 return 0; 5560 } 5561 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode); 5562 5563 /* HDMI Colorspace Spec Definitions */ 5564 #define FULL_COLORIMETRY_MASK 0x1FF 5565 #define NORMAL_COLORIMETRY_MASK 0x3 5566 #define EXTENDED_COLORIMETRY_MASK 0x7 5567 #define EXTENDED_ACE_COLORIMETRY_MASK 0xF 5568 5569 #define C(x) ((x) << 0) 5570 #define EC(x) ((x) << 2) 5571 #define ACE(x) ((x) << 5) 5572 5573 #define HDMI_COLORIMETRY_NO_DATA 0x0 5574 #define HDMI_COLORIMETRY_SMPTE_170M_YCC (C(1) | EC(0) | ACE(0)) 5575 #define HDMI_COLORIMETRY_BT709_YCC (C(2) | EC(0) | ACE(0)) 5576 #define HDMI_COLORIMETRY_XVYCC_601 (C(3) | EC(0) | ACE(0)) 5577 #define HDMI_COLORIMETRY_XVYCC_709 (C(3) | EC(1) | ACE(0)) 5578 #define HDMI_COLORIMETRY_SYCC_601 (C(3) | EC(2) | ACE(0)) 5579 #define HDMI_COLORIMETRY_OPYCC_601 (C(3) | EC(3) | ACE(0)) 5580 #define HDMI_COLORIMETRY_OPRGB (C(3) | EC(4) | ACE(0)) 5581 #define HDMI_COLORIMETRY_BT2020_CYCC (C(3) | EC(5) | ACE(0)) 5582 #define HDMI_COLORIMETRY_BT2020_RGB (C(3) | EC(6) | ACE(0)) 5583 #define HDMI_COLORIMETRY_BT2020_YCC (C(3) | EC(6) | ACE(0)) 5584 #define HDMI_COLORIMETRY_DCI_P3_RGB_D65 (C(3) | EC(7) | ACE(0)) 5585 #define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER (C(3) | EC(7) | ACE(1)) 5586 5587 static const u32 hdmi_colorimetry_val[] = { 5588 [DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA, 5589 [DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC, 5590 [DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC, 5591 [DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601, 5592 [DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709, 5593 [DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601, 5594 [DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601, 5595 [DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB, 5596 [DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC, 5597 [DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB, 5598 [DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC, 5599 }; 5600 5601 #undef C 5602 #undef EC 5603 #undef ACE 5604 5605 /** 5606 * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe 5607 * colorspace information 5608 * @frame: HDMI AVI infoframe 5609 * @conn_state: connector state 5610 */ 5611 void 5612 drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame, 5613 const struct drm_connector_state *conn_state) 5614 { 5615 u32 colorimetry_val; 5616 u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK; 5617 5618 if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val)) 5619 colorimetry_val = HDMI_COLORIMETRY_NO_DATA; 5620 else 5621 colorimetry_val = hdmi_colorimetry_val[colorimetry_index]; 5622 5623 frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK; 5624 /* 5625 * ToDo: Extend it for ACE formats as well. Modify the infoframe 5626 * structure and extend it in drivers/video/hdmi 5627 */ 5628 frame->extended_colorimetry = (colorimetry_val >> 2) & 5629 EXTENDED_COLORIMETRY_MASK; 5630 } 5631 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace); 5632 5633 /** 5634 * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe 5635 * quantization range information 5636 * @frame: HDMI AVI infoframe 5637 * @connector: the connector 5638 * @mode: DRM display mode 5639 * @rgb_quant_range: RGB quantization range (Q) 5640 */ 5641 void 5642 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame, 5643 struct drm_connector *connector, 5644 const struct drm_display_mode *mode, 5645 enum hdmi_quantization_range rgb_quant_range) 5646 { 5647 const struct drm_display_info *info = &connector->display_info; 5648 5649 /* 5650 * CEA-861: 5651 * "A Source shall not send a non-zero Q value that does not correspond 5652 * to the default RGB Quantization Range for the transmitted Picture 5653 * unless the Sink indicates support for the Q bit in a Video 5654 * Capabilities Data Block." 5655 * 5656 * HDMI 2.0 recommends sending non-zero Q when it does match the 5657 * default RGB quantization range for the mode, even when QS=0. 5658 */ 5659 if (info->rgb_quant_range_selectable || 5660 rgb_quant_range == drm_default_rgb_quant_range(mode)) 5661 frame->quantization_range = rgb_quant_range; 5662 else 5663 frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT; 5664 5665 /* 5666 * CEA-861-F: 5667 * "When transmitting any RGB colorimetry, the Source should set the 5668 * YQ-field to match the RGB Quantization Range being transmitted 5669 * (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB, 5670 * set YQ=1) and the Sink shall ignore the YQ-field." 5671 * 5672 * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused 5673 * by non-zero YQ when receiving RGB. There doesn't seem to be any 5674 * good way to tell which version of CEA-861 the sink supports, so 5675 * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based 5676 * on on CEA-861-F. 5677 */ 5678 if (!is_hdmi2_sink(connector) || 5679 rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED) 5680 frame->ycc_quantization_range = 5681 HDMI_YCC_QUANTIZATION_RANGE_LIMITED; 5682 else 5683 frame->ycc_quantization_range = 5684 HDMI_YCC_QUANTIZATION_RANGE_FULL; 5685 } 5686 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range); 5687 5688 /** 5689 * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe 5690 * bar information 5691 * @frame: HDMI AVI infoframe 5692 * @conn_state: connector state 5693 */ 5694 void 5695 drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame, 5696 const struct drm_connector_state *conn_state) 5697 { 5698 frame->right_bar = conn_state->tv.margins.right; 5699 frame->left_bar = conn_state->tv.margins.left; 5700 frame->top_bar = conn_state->tv.margins.top; 5701 frame->bottom_bar = conn_state->tv.margins.bottom; 5702 } 5703 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars); 5704 5705 static enum hdmi_3d_structure 5706 s3d_structure_from_display_mode(const struct drm_display_mode *mode) 5707 { 5708 u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK; 5709 5710 switch (layout) { 5711 case DRM_MODE_FLAG_3D_FRAME_PACKING: 5712 return HDMI_3D_STRUCTURE_FRAME_PACKING; 5713 case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE: 5714 return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE; 5715 case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE: 5716 return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE; 5717 case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL: 5718 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL; 5719 case DRM_MODE_FLAG_3D_L_DEPTH: 5720 return HDMI_3D_STRUCTURE_L_DEPTH; 5721 case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH: 5722 return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH; 5723 case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM: 5724 return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM; 5725 case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF: 5726 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF; 5727 default: 5728 return HDMI_3D_STRUCTURE_INVALID; 5729 } 5730 } 5731 5732 /** 5733 * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with 5734 * data from a DRM display mode 5735 * @frame: HDMI vendor infoframe 5736 * @connector: the connector 5737 * @mode: DRM display mode 5738 * 5739 * Note that there's is a need to send HDMI vendor infoframes only when using a 5740 * 4k or stereoscopic 3D mode. So when giving any other mode as input this 5741 * function will return -EINVAL, error that can be safely ignored. 5742 * 5743 * Return: 0 on success or a negative error code on failure. 5744 */ 5745 int 5746 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame, 5747 struct drm_connector *connector, 5748 const struct drm_display_mode *mode) 5749 { 5750 /* 5751 * FIXME: sil-sii8620 doesn't have a connector around when 5752 * we need one, so we have to be prepared for a NULL connector. 5753 */ 5754 bool has_hdmi_infoframe = connector ? 5755 connector->display_info.has_hdmi_infoframe : false; 5756 int err; 5757 5758 if (!frame || !mode) 5759 return -EINVAL; 5760 5761 if (!has_hdmi_infoframe) 5762 return -EINVAL; 5763 5764 err = hdmi_vendor_infoframe_init(frame); 5765 if (err < 0) 5766 return err; 5767 5768 /* 5769 * Even if it's not absolutely necessary to send the infoframe 5770 * (ie.vic==0 and s3d_struct==0) we will still send it if we 5771 * know that the sink can handle it. This is based on a 5772 * suggestion in HDMI 2.0 Appendix F. Apparently some sinks 5773 * have trouble realizing that they shuld switch from 3D to 2D 5774 * mode if the source simply stops sending the infoframe when 5775 * it wants to switch from 3D to 2D. 5776 */ 5777 frame->vic = drm_mode_hdmi_vic(connector, mode); 5778 frame->s3d_struct = s3d_structure_from_display_mode(mode); 5779 5780 return 0; 5781 } 5782 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode); 5783 5784 static int drm_parse_tiled_block(struct drm_connector *connector, 5785 struct displayid_block *block) 5786 { 5787 struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block; 5788 u16 w, h; 5789 u8 tile_v_loc, tile_h_loc; 5790 u8 num_v_tile, num_h_tile; 5791 struct drm_tile_group *tg; 5792 5793 w = tile->tile_size[0] | tile->tile_size[1] << 8; 5794 h = tile->tile_size[2] | tile->tile_size[3] << 8; 5795 5796 num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30); 5797 num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30); 5798 tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4); 5799 tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4); 5800 5801 connector->has_tile = true; 5802 if (tile->tile_cap & 0x80) 5803 connector->tile_is_single_monitor = true; 5804 5805 connector->num_h_tile = num_h_tile + 1; 5806 connector->num_v_tile = num_v_tile + 1; 5807 connector->tile_h_loc = tile_h_loc; 5808 connector->tile_v_loc = tile_v_loc; 5809 connector->tile_h_size = w + 1; 5810 connector->tile_v_size = h + 1; 5811 5812 DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap); 5813 DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1); 5814 DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n", 5815 num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc); 5816 DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]); 5817 5818 tg = drm_mode_get_tile_group(connector->dev, tile->topology_id); 5819 if (!tg) { 5820 tg = drm_mode_create_tile_group(connector->dev, tile->topology_id); 5821 } 5822 if (!tg) 5823 return -ENOMEM; 5824 5825 if (connector->tile_group != tg) { 5826 /* if we haven't got a pointer, 5827 take the reference, drop ref to old tile group */ 5828 if (connector->tile_group) { 5829 drm_mode_put_tile_group(connector->dev, connector->tile_group); 5830 } 5831 connector->tile_group = tg; 5832 } else 5833 /* if same tile group, then release the ref we just took. */ 5834 drm_mode_put_tile_group(connector->dev, tg); 5835 return 0; 5836 } 5837 5838 static int drm_parse_display_id(struct drm_connector *connector, 5839 u8 *displayid, int length, 5840 bool is_edid_extension) 5841 { 5842 /* if this is an EDID extension the first byte will be 0x70 */ 5843 int idx = 0; 5844 struct displayid_block *block; 5845 int ret; 5846 5847 if (is_edid_extension) 5848 idx = 1; 5849 5850 ret = validate_displayid(displayid, length, idx); 5851 if (ret) 5852 return ret; 5853 5854 idx += sizeof(struct displayid_hdr); 5855 for_each_displayid_db(displayid, block, idx, length) { 5856 DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n", 5857 block->tag, block->rev, block->num_bytes); 5858 5859 switch (block->tag) { 5860 case DATA_BLOCK_TILED_DISPLAY: 5861 ret = drm_parse_tiled_block(connector, block); 5862 if (ret) 5863 return ret; 5864 break; 5865 case DATA_BLOCK_TYPE_1_DETAILED_TIMING: 5866 /* handled in mode gathering code. */ 5867 break; 5868 case DATA_BLOCK_CTA: 5869 /* handled in the cea parser code. */ 5870 break; 5871 default: 5872 DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag); 5873 break; 5874 } 5875 } 5876 return 0; 5877 } 5878 5879 static void drm_get_displayid(struct drm_connector *connector, 5880 struct edid *edid) 5881 { 5882 void *displayid = NULL; 5883 int ret; 5884 connector->has_tile = false; 5885 displayid = drm_find_displayid_extension(edid); 5886 if (!displayid) { 5887 /* drop reference to any tile group we had */ 5888 goto out_drop_ref; 5889 } 5890 5891 ret = drm_parse_display_id(connector, displayid, EDID_LENGTH, true); 5892 if (ret < 0) 5893 goto out_drop_ref; 5894 if (!connector->has_tile) 5895 goto out_drop_ref; 5896 return; 5897 out_drop_ref: 5898 if (connector->tile_group) { 5899 drm_mode_put_tile_group(connector->dev, connector->tile_group); 5900 connector->tile_group = NULL; 5901 } 5902 return; 5903 } 5904