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 #include <linux/kernel.h> 31 #include <linux/slab.h> 32 #include <linux/hdmi.h> 33 #include <linux/i2c.h> 34 #include <linux/module.h> 35 #include <linux/vga_switcheroo.h> 36 #include <drm/drmP.h> 37 #include <drm/drm_edid.h> 38 #include <drm/drm_encoder.h> 39 #include <drm/drm_displayid.h> 40 #include <drm/drm_scdc_helper.h> 41 42 #include "drm_crtc_internal.h" 43 44 #define version_greater(edid, maj, min) \ 45 (((edid)->version > (maj)) || \ 46 ((edid)->version == (maj) && (edid)->revision > (min))) 47 48 #define EDID_EST_TIMINGS 16 49 #define EDID_STD_TIMINGS 8 50 #define EDID_DETAILED_TIMINGS 4 51 52 /* 53 * EDID blocks out in the wild have a variety of bugs, try to collect 54 * them here (note that userspace may work around broken monitors first, 55 * but fixes should make their way here so that the kernel "just works" 56 * on as many displays as possible). 57 */ 58 59 /* First detailed mode wrong, use largest 60Hz mode */ 60 #define EDID_QUIRK_PREFER_LARGE_60 (1 << 0) 61 /* Reported 135MHz pixel clock is too high, needs adjustment */ 62 #define EDID_QUIRK_135_CLOCK_TOO_HIGH (1 << 1) 63 /* Prefer the largest mode at 75 Hz */ 64 #define EDID_QUIRK_PREFER_LARGE_75 (1 << 2) 65 /* Detail timing is in cm not mm */ 66 #define EDID_QUIRK_DETAILED_IN_CM (1 << 3) 67 /* Detailed timing descriptors have bogus size values, so just take the 68 * maximum size and use that. 69 */ 70 #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE (1 << 4) 71 /* Monitor forgot to set the first detailed is preferred bit. */ 72 #define EDID_QUIRK_FIRST_DETAILED_PREFERRED (1 << 5) 73 /* use +hsync +vsync for detailed mode */ 74 #define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6) 75 /* Force reduced-blanking timings for detailed modes */ 76 #define EDID_QUIRK_FORCE_REDUCED_BLANKING (1 << 7) 77 /* Force 8bpc */ 78 #define EDID_QUIRK_FORCE_8BPC (1 << 8) 79 /* Force 12bpc */ 80 #define EDID_QUIRK_FORCE_12BPC (1 << 9) 81 /* Force 6bpc */ 82 #define EDID_QUIRK_FORCE_6BPC (1 << 10) 83 /* Force 10bpc */ 84 #define EDID_QUIRK_FORCE_10BPC (1 << 11) 85 /* Non desktop display (i.e. HMD) */ 86 #define EDID_QUIRK_NON_DESKTOP (1 << 12) 87 88 struct detailed_mode_closure { 89 struct drm_connector *connector; 90 struct edid *edid; 91 bool preferred; 92 u32 quirks; 93 int modes; 94 }; 95 96 #define LEVEL_DMT 0 97 #define LEVEL_GTF 1 98 #define LEVEL_GTF2 2 99 #define LEVEL_CVT 3 100 101 static const struct edid_quirk { 102 char vendor[4]; 103 int product_id; 104 u32 quirks; 105 } edid_quirk_list[] = { 106 /* Acer AL1706 */ 107 { "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 }, 108 /* Acer F51 */ 109 { "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 }, 110 /* Unknown Acer */ 111 { "ACR", 2423, EDID_QUIRK_FIRST_DETAILED_PREFERRED }, 112 113 /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */ 114 { "AEO", 0, EDID_QUIRK_FORCE_6BPC }, 115 116 /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */ 117 { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC }, 118 119 /* Belinea 10 15 55 */ 120 { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 }, 121 { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 }, 122 123 /* Envision Peripherals, Inc. EN-7100e */ 124 { "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH }, 125 /* Envision EN2028 */ 126 { "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 }, 127 128 /* Funai Electronics PM36B */ 129 { "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 | 130 EDID_QUIRK_DETAILED_IN_CM }, 131 132 /* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */ 133 { "LGD", 764, EDID_QUIRK_FORCE_10BPC }, 134 135 /* LG Philips LCD LP154W01-A5 */ 136 { "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE }, 137 { "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE }, 138 139 /* Philips 107p5 CRT */ 140 { "PHL", 57364, EDID_QUIRK_FIRST_DETAILED_PREFERRED }, 141 142 /* Proview AY765C */ 143 { "PTS", 765, EDID_QUIRK_FIRST_DETAILED_PREFERRED }, 144 145 /* Samsung SyncMaster 205BW. Note: irony */ 146 { "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP }, 147 /* Samsung SyncMaster 22[5-6]BW */ 148 { "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 }, 149 { "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 }, 150 151 /* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */ 152 { "SNY", 0x2541, EDID_QUIRK_FORCE_12BPC }, 153 154 /* ViewSonic VA2026w */ 155 { "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING }, 156 157 /* Medion MD 30217 PG */ 158 { "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 }, 159 160 /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */ 161 { "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC }, 162 163 /* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/ 164 { "ETR", 13896, EDID_QUIRK_FORCE_8BPC }, 165 166 /* HTC Vive VR Headset */ 167 { "HVR", 0xaa01, EDID_QUIRK_NON_DESKTOP }, 168 169 /* Oculus Rift DK1, DK2, and CV1 VR Headsets */ 170 { "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP }, 171 { "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP }, 172 { "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP }, 173 174 /* Windows Mixed Reality Headsets */ 175 { "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP }, 176 { "HPN", 0x3515, EDID_QUIRK_NON_DESKTOP }, 177 { "LEN", 0x0408, EDID_QUIRK_NON_DESKTOP }, 178 { "LEN", 0xb800, EDID_QUIRK_NON_DESKTOP }, 179 { "FUJ", 0x1970, EDID_QUIRK_NON_DESKTOP }, 180 { "DEL", 0x7fce, EDID_QUIRK_NON_DESKTOP }, 181 { "SEC", 0x144a, EDID_QUIRK_NON_DESKTOP }, 182 { "AUS", 0xc102, EDID_QUIRK_NON_DESKTOP }, 183 184 /* Sony PlayStation VR Headset */ 185 { "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP }, 186 }; 187 188 /* 189 * Autogenerated from the DMT spec. 190 * This table is copied from xfree86/modes/xf86EdidModes.c. 191 */ 192 static const struct drm_display_mode drm_dmt_modes[] = { 193 /* 0x01 - 640x350@85Hz */ 194 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672, 195 736, 832, 0, 350, 382, 385, 445, 0, 196 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 197 /* 0x02 - 640x400@85Hz */ 198 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672, 199 736, 832, 0, 400, 401, 404, 445, 0, 200 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 201 /* 0x03 - 720x400@85Hz */ 202 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756, 203 828, 936, 0, 400, 401, 404, 446, 0, 204 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 205 /* 0x04 - 640x480@60Hz */ 206 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, 207 752, 800, 0, 480, 490, 492, 525, 0, 208 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 209 /* 0x05 - 640x480@72Hz */ 210 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664, 211 704, 832, 0, 480, 489, 492, 520, 0, 212 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 213 /* 0x06 - 640x480@75Hz */ 214 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656, 215 720, 840, 0, 480, 481, 484, 500, 0, 216 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 217 /* 0x07 - 640x480@85Hz */ 218 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696, 219 752, 832, 0, 480, 481, 484, 509, 0, 220 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 221 /* 0x08 - 800x600@56Hz */ 222 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824, 223 896, 1024, 0, 600, 601, 603, 625, 0, 224 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 225 /* 0x09 - 800x600@60Hz */ 226 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840, 227 968, 1056, 0, 600, 601, 605, 628, 0, 228 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 229 /* 0x0a - 800x600@72Hz */ 230 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856, 231 976, 1040, 0, 600, 637, 643, 666, 0, 232 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 233 /* 0x0b - 800x600@75Hz */ 234 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816, 235 896, 1056, 0, 600, 601, 604, 625, 0, 236 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 237 /* 0x0c - 800x600@85Hz */ 238 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832, 239 896, 1048, 0, 600, 601, 604, 631, 0, 240 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 241 /* 0x0d - 800x600@120Hz RB */ 242 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848, 243 880, 960, 0, 600, 603, 607, 636, 0, 244 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 245 /* 0x0e - 848x480@60Hz */ 246 { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864, 247 976, 1088, 0, 480, 486, 494, 517, 0, 248 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 249 /* 0x0f - 1024x768@43Hz, interlace */ 250 { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032, 251 1208, 1264, 0, 768, 768, 776, 817, 0, 252 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | 253 DRM_MODE_FLAG_INTERLACE) }, 254 /* 0x10 - 1024x768@60Hz */ 255 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, 256 1184, 1344, 0, 768, 771, 777, 806, 0, 257 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 258 /* 0x11 - 1024x768@70Hz */ 259 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048, 260 1184, 1328, 0, 768, 771, 777, 806, 0, 261 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 262 /* 0x12 - 1024x768@75Hz */ 263 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040, 264 1136, 1312, 0, 768, 769, 772, 800, 0, 265 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 266 /* 0x13 - 1024x768@85Hz */ 267 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072, 268 1168, 1376, 0, 768, 769, 772, 808, 0, 269 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 270 /* 0x14 - 1024x768@120Hz RB */ 271 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072, 272 1104, 1184, 0, 768, 771, 775, 813, 0, 273 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 274 /* 0x15 - 1152x864@75Hz */ 275 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, 276 1344, 1600, 0, 864, 865, 868, 900, 0, 277 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 278 /* 0x55 - 1280x720@60Hz */ 279 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390, 280 1430, 1650, 0, 720, 725, 730, 750, 0, 281 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 282 /* 0x16 - 1280x768@60Hz RB */ 283 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328, 284 1360, 1440, 0, 768, 771, 778, 790, 0, 285 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 286 /* 0x17 - 1280x768@60Hz */ 287 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344, 288 1472, 1664, 0, 768, 771, 778, 798, 0, 289 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 290 /* 0x18 - 1280x768@75Hz */ 291 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360, 292 1488, 1696, 0, 768, 771, 778, 805, 0, 293 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 294 /* 0x19 - 1280x768@85Hz */ 295 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360, 296 1496, 1712, 0, 768, 771, 778, 809, 0, 297 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 298 /* 0x1a - 1280x768@120Hz RB */ 299 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328, 300 1360, 1440, 0, 768, 771, 778, 813, 0, 301 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 302 /* 0x1b - 1280x800@60Hz RB */ 303 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328, 304 1360, 1440, 0, 800, 803, 809, 823, 0, 305 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 306 /* 0x1c - 1280x800@60Hz */ 307 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352, 308 1480, 1680, 0, 800, 803, 809, 831, 0, 309 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 310 /* 0x1d - 1280x800@75Hz */ 311 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360, 312 1488, 1696, 0, 800, 803, 809, 838, 0, 313 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 314 /* 0x1e - 1280x800@85Hz */ 315 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360, 316 1496, 1712, 0, 800, 803, 809, 843, 0, 317 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 318 /* 0x1f - 1280x800@120Hz RB */ 319 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328, 320 1360, 1440, 0, 800, 803, 809, 847, 0, 321 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 322 /* 0x20 - 1280x960@60Hz */ 323 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376, 324 1488, 1800, 0, 960, 961, 964, 1000, 0, 325 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 326 /* 0x21 - 1280x960@85Hz */ 327 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344, 328 1504, 1728, 0, 960, 961, 964, 1011, 0, 329 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 330 /* 0x22 - 1280x960@120Hz RB */ 331 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328, 332 1360, 1440, 0, 960, 963, 967, 1017, 0, 333 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 334 /* 0x23 - 1280x1024@60Hz */ 335 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328, 336 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, 337 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 338 /* 0x24 - 1280x1024@75Hz */ 339 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296, 340 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, 341 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 342 /* 0x25 - 1280x1024@85Hz */ 343 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344, 344 1504, 1728, 0, 1024, 1025, 1028, 1072, 0, 345 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 346 /* 0x26 - 1280x1024@120Hz RB */ 347 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328, 348 1360, 1440, 0, 1024, 1027, 1034, 1084, 0, 349 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 350 /* 0x27 - 1360x768@60Hz */ 351 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424, 352 1536, 1792, 0, 768, 771, 777, 795, 0, 353 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 354 /* 0x28 - 1360x768@120Hz RB */ 355 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408, 356 1440, 1520, 0, 768, 771, 776, 813, 0, 357 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 358 /* 0x51 - 1366x768@60Hz */ 359 { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436, 360 1579, 1792, 0, 768, 771, 774, 798, 0, 361 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 362 /* 0x56 - 1366x768@60Hz */ 363 { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380, 364 1436, 1500, 0, 768, 769, 772, 800, 0, 365 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 366 /* 0x29 - 1400x1050@60Hz RB */ 367 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448, 368 1480, 1560, 0, 1050, 1053, 1057, 1080, 0, 369 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 370 /* 0x2a - 1400x1050@60Hz */ 371 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488, 372 1632, 1864, 0, 1050, 1053, 1057, 1089, 0, 373 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 374 /* 0x2b - 1400x1050@75Hz */ 375 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504, 376 1648, 1896, 0, 1050, 1053, 1057, 1099, 0, 377 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 378 /* 0x2c - 1400x1050@85Hz */ 379 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504, 380 1656, 1912, 0, 1050, 1053, 1057, 1105, 0, 381 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 382 /* 0x2d - 1400x1050@120Hz RB */ 383 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448, 384 1480, 1560, 0, 1050, 1053, 1057, 1112, 0, 385 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 386 /* 0x2e - 1440x900@60Hz RB */ 387 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488, 388 1520, 1600, 0, 900, 903, 909, 926, 0, 389 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 390 /* 0x2f - 1440x900@60Hz */ 391 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520, 392 1672, 1904, 0, 900, 903, 909, 934, 0, 393 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 394 /* 0x30 - 1440x900@75Hz */ 395 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536, 396 1688, 1936, 0, 900, 903, 909, 942, 0, 397 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 398 /* 0x31 - 1440x900@85Hz */ 399 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544, 400 1696, 1952, 0, 900, 903, 909, 948, 0, 401 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 402 /* 0x32 - 1440x900@120Hz RB */ 403 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488, 404 1520, 1600, 0, 900, 903, 909, 953, 0, 405 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 406 /* 0x53 - 1600x900@60Hz */ 407 { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624, 408 1704, 1800, 0, 900, 901, 904, 1000, 0, 409 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 410 /* 0x33 - 1600x1200@60Hz */ 411 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664, 412 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 413 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 414 /* 0x34 - 1600x1200@65Hz */ 415 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664, 416 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 417 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 418 /* 0x35 - 1600x1200@70Hz */ 419 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664, 420 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 421 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 422 /* 0x36 - 1600x1200@75Hz */ 423 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664, 424 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 425 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 426 /* 0x37 - 1600x1200@85Hz */ 427 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664, 428 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 429 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 430 /* 0x38 - 1600x1200@120Hz RB */ 431 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648, 432 1680, 1760, 0, 1200, 1203, 1207, 1271, 0, 433 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 434 /* 0x39 - 1680x1050@60Hz RB */ 435 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728, 436 1760, 1840, 0, 1050, 1053, 1059, 1080, 0, 437 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 438 /* 0x3a - 1680x1050@60Hz */ 439 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784, 440 1960, 2240, 0, 1050, 1053, 1059, 1089, 0, 441 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 442 /* 0x3b - 1680x1050@75Hz */ 443 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800, 444 1976, 2272, 0, 1050, 1053, 1059, 1099, 0, 445 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 446 /* 0x3c - 1680x1050@85Hz */ 447 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808, 448 1984, 2288, 0, 1050, 1053, 1059, 1105, 0, 449 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 450 /* 0x3d - 1680x1050@120Hz RB */ 451 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728, 452 1760, 1840, 0, 1050, 1053, 1059, 1112, 0, 453 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 454 /* 0x3e - 1792x1344@60Hz */ 455 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920, 456 2120, 2448, 0, 1344, 1345, 1348, 1394, 0, 457 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 458 /* 0x3f - 1792x1344@75Hz */ 459 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888, 460 2104, 2456, 0, 1344, 1345, 1348, 1417, 0, 461 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 462 /* 0x40 - 1792x1344@120Hz RB */ 463 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840, 464 1872, 1952, 0, 1344, 1347, 1351, 1423, 0, 465 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 466 /* 0x41 - 1856x1392@60Hz */ 467 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952, 468 2176, 2528, 0, 1392, 1393, 1396, 1439, 0, 469 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 470 /* 0x42 - 1856x1392@75Hz */ 471 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984, 472 2208, 2560, 0, 1392, 1393, 1396, 1500, 0, 473 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 474 /* 0x43 - 1856x1392@120Hz RB */ 475 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904, 476 1936, 2016, 0, 1392, 1395, 1399, 1474, 0, 477 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 478 /* 0x52 - 1920x1080@60Hz */ 479 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008, 480 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, 481 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 482 /* 0x44 - 1920x1200@60Hz RB */ 483 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968, 484 2000, 2080, 0, 1200, 1203, 1209, 1235, 0, 485 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 486 /* 0x45 - 1920x1200@60Hz */ 487 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056, 488 2256, 2592, 0, 1200, 1203, 1209, 1245, 0, 489 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 490 /* 0x46 - 1920x1200@75Hz */ 491 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056, 492 2264, 2608, 0, 1200, 1203, 1209, 1255, 0, 493 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 494 /* 0x47 - 1920x1200@85Hz */ 495 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064, 496 2272, 2624, 0, 1200, 1203, 1209, 1262, 0, 497 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 498 /* 0x48 - 1920x1200@120Hz RB */ 499 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968, 500 2000, 2080, 0, 1200, 1203, 1209, 1271, 0, 501 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 502 /* 0x49 - 1920x1440@60Hz */ 503 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048, 504 2256, 2600, 0, 1440, 1441, 1444, 1500, 0, 505 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 506 /* 0x4a - 1920x1440@75Hz */ 507 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064, 508 2288, 2640, 0, 1440, 1441, 1444, 1500, 0, 509 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 510 /* 0x4b - 1920x1440@120Hz RB */ 511 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968, 512 2000, 2080, 0, 1440, 1443, 1447, 1525, 0, 513 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 514 /* 0x54 - 2048x1152@60Hz */ 515 { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074, 516 2154, 2250, 0, 1152, 1153, 1156, 1200, 0, 517 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 518 /* 0x4c - 2560x1600@60Hz RB */ 519 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608, 520 2640, 2720, 0, 1600, 1603, 1609, 1646, 0, 521 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 522 /* 0x4d - 2560x1600@60Hz */ 523 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752, 524 3032, 3504, 0, 1600, 1603, 1609, 1658, 0, 525 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 526 /* 0x4e - 2560x1600@75Hz */ 527 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768, 528 3048, 3536, 0, 1600, 1603, 1609, 1672, 0, 529 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 530 /* 0x4f - 2560x1600@85Hz */ 531 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768, 532 3048, 3536, 0, 1600, 1603, 1609, 1682, 0, 533 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 534 /* 0x50 - 2560x1600@120Hz RB */ 535 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608, 536 2640, 2720, 0, 1600, 1603, 1609, 1694, 0, 537 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 538 /* 0x57 - 4096x2160@60Hz RB */ 539 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104, 540 4136, 4176, 0, 2160, 2208, 2216, 2222, 0, 541 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 542 /* 0x58 - 4096x2160@59.94Hz RB */ 543 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104, 544 4136, 4176, 0, 2160, 2208, 2216, 2222, 0, 545 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 546 }; 547 548 /* 549 * These more or less come from the DMT spec. The 720x400 modes are 550 * inferred from historical 80x25 practice. The 640x480@67 and 832x624@75 551 * modes are old-school Mac modes. The EDID spec says the 1152x864@75 mode 552 * should be 1152x870, again for the Mac, but instead we use the x864 DMT 553 * mode. 554 * 555 * The DMT modes have been fact-checked; the rest are mild guesses. 556 */ 557 static const struct drm_display_mode edid_est_modes[] = { 558 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840, 559 968, 1056, 0, 600, 601, 605, 628, 0, 560 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */ 561 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824, 562 896, 1024, 0, 600, 601, 603, 625, 0, 563 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */ 564 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656, 565 720, 840, 0, 480, 481, 484, 500, 0, 566 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */ 567 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664, 568 704, 832, 0, 480, 489, 492, 520, 0, 569 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */ 570 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704, 571 768, 864, 0, 480, 483, 486, 525, 0, 572 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */ 573 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, 574 752, 800, 0, 480, 490, 492, 525, 0, 575 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */ 576 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738, 577 846, 900, 0, 400, 421, 423, 449, 0, 578 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */ 579 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738, 580 846, 900, 0, 400, 412, 414, 449, 0, 581 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */ 582 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296, 583 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, 584 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */ 585 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040, 586 1136, 1312, 0, 768, 769, 772, 800, 0, 587 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */ 588 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048, 589 1184, 1328, 0, 768, 771, 777, 806, 0, 590 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */ 591 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, 592 1184, 1344, 0, 768, 771, 777, 806, 0, 593 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */ 594 { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032, 595 1208, 1264, 0, 768, 768, 776, 817, 0, 596 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */ 597 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864, 598 928, 1152, 0, 624, 625, 628, 667, 0, 599 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */ 600 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816, 601 896, 1056, 0, 600, 601, 604, 625, 0, 602 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */ 603 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856, 604 976, 1040, 0, 600, 637, 643, 666, 0, 605 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */ 606 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, 607 1344, 1600, 0, 864, 865, 868, 900, 0, 608 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */ 609 }; 610 611 struct minimode { 612 short w; 613 short h; 614 short r; 615 short rb; 616 }; 617 618 static const struct minimode est3_modes[] = { 619 /* byte 6 */ 620 { 640, 350, 85, 0 }, 621 { 640, 400, 85, 0 }, 622 { 720, 400, 85, 0 }, 623 { 640, 480, 85, 0 }, 624 { 848, 480, 60, 0 }, 625 { 800, 600, 85, 0 }, 626 { 1024, 768, 85, 0 }, 627 { 1152, 864, 75, 0 }, 628 /* byte 7 */ 629 { 1280, 768, 60, 1 }, 630 { 1280, 768, 60, 0 }, 631 { 1280, 768, 75, 0 }, 632 { 1280, 768, 85, 0 }, 633 { 1280, 960, 60, 0 }, 634 { 1280, 960, 85, 0 }, 635 { 1280, 1024, 60, 0 }, 636 { 1280, 1024, 85, 0 }, 637 /* byte 8 */ 638 { 1360, 768, 60, 0 }, 639 { 1440, 900, 60, 1 }, 640 { 1440, 900, 60, 0 }, 641 { 1440, 900, 75, 0 }, 642 { 1440, 900, 85, 0 }, 643 { 1400, 1050, 60, 1 }, 644 { 1400, 1050, 60, 0 }, 645 { 1400, 1050, 75, 0 }, 646 /* byte 9 */ 647 { 1400, 1050, 85, 0 }, 648 { 1680, 1050, 60, 1 }, 649 { 1680, 1050, 60, 0 }, 650 { 1680, 1050, 75, 0 }, 651 { 1680, 1050, 85, 0 }, 652 { 1600, 1200, 60, 0 }, 653 { 1600, 1200, 65, 0 }, 654 { 1600, 1200, 70, 0 }, 655 /* byte 10 */ 656 { 1600, 1200, 75, 0 }, 657 { 1600, 1200, 85, 0 }, 658 { 1792, 1344, 60, 0 }, 659 { 1792, 1344, 75, 0 }, 660 { 1856, 1392, 60, 0 }, 661 { 1856, 1392, 75, 0 }, 662 { 1920, 1200, 60, 1 }, 663 { 1920, 1200, 60, 0 }, 664 /* byte 11 */ 665 { 1920, 1200, 75, 0 }, 666 { 1920, 1200, 85, 0 }, 667 { 1920, 1440, 60, 0 }, 668 { 1920, 1440, 75, 0 }, 669 }; 670 671 static const struct minimode extra_modes[] = { 672 { 1024, 576, 60, 0 }, 673 { 1366, 768, 60, 0 }, 674 { 1600, 900, 60, 0 }, 675 { 1680, 945, 60, 0 }, 676 { 1920, 1080, 60, 0 }, 677 { 2048, 1152, 60, 0 }, 678 { 2048, 1536, 60, 0 }, 679 }; 680 681 /* 682 * Probably taken from CEA-861 spec. 683 * This table is converted from xorg's hw/xfree86/modes/xf86EdidModes.c. 684 * 685 * Index using the VIC. 686 */ 687 static const struct drm_display_mode edid_cea_modes[] = { 688 /* 0 - dummy, VICs start at 1 */ 689 { }, 690 /* 1 - 640x480@60Hz */ 691 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, 692 752, 800, 0, 480, 490, 492, 525, 0, 693 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 694 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 695 /* 2 - 720x480@60Hz */ 696 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736, 697 798, 858, 0, 480, 489, 495, 525, 0, 698 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 699 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 700 /* 3 - 720x480@60Hz */ 701 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736, 702 798, 858, 0, 480, 489, 495, 525, 0, 703 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 704 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 705 /* 4 - 1280x720@60Hz */ 706 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390, 707 1430, 1650, 0, 720, 725, 730, 750, 0, 708 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 709 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 710 /* 5 - 1920x1080i@60Hz */ 711 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008, 712 2052, 2200, 0, 1080, 1084, 1094, 1125, 0, 713 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | 714 DRM_MODE_FLAG_INTERLACE), 715 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 716 /* 6 - 720(1440)x480i@60Hz */ 717 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739, 718 801, 858, 0, 480, 488, 494, 525, 0, 719 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 720 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 721 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 722 /* 7 - 720(1440)x480i@60Hz */ 723 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739, 724 801, 858, 0, 480, 488, 494, 525, 0, 725 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 726 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 727 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 728 /* 8 - 720(1440)x240@60Hz */ 729 { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739, 730 801, 858, 0, 240, 244, 247, 262, 0, 731 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 732 DRM_MODE_FLAG_DBLCLK), 733 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 734 /* 9 - 720(1440)x240@60Hz */ 735 { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739, 736 801, 858, 0, 240, 244, 247, 262, 0, 737 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 738 DRM_MODE_FLAG_DBLCLK), 739 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 740 /* 10 - 2880x480i@60Hz */ 741 { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956, 742 3204, 3432, 0, 480, 488, 494, 525, 0, 743 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 744 DRM_MODE_FLAG_INTERLACE), 745 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 746 /* 11 - 2880x480i@60Hz */ 747 { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956, 748 3204, 3432, 0, 480, 488, 494, 525, 0, 749 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 750 DRM_MODE_FLAG_INTERLACE), 751 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 752 /* 12 - 2880x240@60Hz */ 753 { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956, 754 3204, 3432, 0, 240, 244, 247, 262, 0, 755 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 756 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 757 /* 13 - 2880x240@60Hz */ 758 { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956, 759 3204, 3432, 0, 240, 244, 247, 262, 0, 760 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 761 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 762 /* 14 - 1440x480@60Hz */ 763 { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472, 764 1596, 1716, 0, 480, 489, 495, 525, 0, 765 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 766 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 767 /* 15 - 1440x480@60Hz */ 768 { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472, 769 1596, 1716, 0, 480, 489, 495, 525, 0, 770 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 771 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 772 /* 16 - 1920x1080@60Hz */ 773 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008, 774 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, 775 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 776 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 777 /* 17 - 720x576@50Hz */ 778 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732, 779 796, 864, 0, 576, 581, 586, 625, 0, 780 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 781 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 782 /* 18 - 720x576@50Hz */ 783 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732, 784 796, 864, 0, 576, 581, 586, 625, 0, 785 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 786 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 787 /* 19 - 1280x720@50Hz */ 788 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720, 789 1760, 1980, 0, 720, 725, 730, 750, 0, 790 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 791 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 792 /* 20 - 1920x1080i@50Hz */ 793 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448, 794 2492, 2640, 0, 1080, 1084, 1094, 1125, 0, 795 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | 796 DRM_MODE_FLAG_INTERLACE), 797 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 798 /* 21 - 720(1440)x576i@50Hz */ 799 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732, 800 795, 864, 0, 576, 580, 586, 625, 0, 801 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 802 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 803 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 804 /* 22 - 720(1440)x576i@50Hz */ 805 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732, 806 795, 864, 0, 576, 580, 586, 625, 0, 807 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 808 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 809 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 810 /* 23 - 720(1440)x288@50Hz */ 811 { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732, 812 795, 864, 0, 288, 290, 293, 312, 0, 813 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 814 DRM_MODE_FLAG_DBLCLK), 815 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 816 /* 24 - 720(1440)x288@50Hz */ 817 { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732, 818 795, 864, 0, 288, 290, 293, 312, 0, 819 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 820 DRM_MODE_FLAG_DBLCLK), 821 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 822 /* 25 - 2880x576i@50Hz */ 823 { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928, 824 3180, 3456, 0, 576, 580, 586, 625, 0, 825 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 826 DRM_MODE_FLAG_INTERLACE), 827 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 828 /* 26 - 2880x576i@50Hz */ 829 { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928, 830 3180, 3456, 0, 576, 580, 586, 625, 0, 831 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 832 DRM_MODE_FLAG_INTERLACE), 833 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 834 /* 27 - 2880x288@50Hz */ 835 { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928, 836 3180, 3456, 0, 288, 290, 293, 312, 0, 837 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 838 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 839 /* 28 - 2880x288@50Hz */ 840 { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928, 841 3180, 3456, 0, 288, 290, 293, 312, 0, 842 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 843 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 844 /* 29 - 1440x576@50Hz */ 845 { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464, 846 1592, 1728, 0, 576, 581, 586, 625, 0, 847 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 848 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 849 /* 30 - 1440x576@50Hz */ 850 { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464, 851 1592, 1728, 0, 576, 581, 586, 625, 0, 852 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 853 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 854 /* 31 - 1920x1080@50Hz */ 855 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448, 856 2492, 2640, 0, 1080, 1084, 1089, 1125, 0, 857 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 858 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 859 /* 32 - 1920x1080@24Hz */ 860 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558, 861 2602, 2750, 0, 1080, 1084, 1089, 1125, 0, 862 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 863 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 864 /* 33 - 1920x1080@25Hz */ 865 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448, 866 2492, 2640, 0, 1080, 1084, 1089, 1125, 0, 867 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 868 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 869 /* 34 - 1920x1080@30Hz */ 870 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008, 871 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, 872 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 873 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 874 /* 35 - 2880x480@60Hz */ 875 { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944, 876 3192, 3432, 0, 480, 489, 495, 525, 0, 877 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 878 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 879 /* 36 - 2880x480@60Hz */ 880 { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944, 881 3192, 3432, 0, 480, 489, 495, 525, 0, 882 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 883 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 884 /* 37 - 2880x576@50Hz */ 885 { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928, 886 3184, 3456, 0, 576, 581, 586, 625, 0, 887 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 888 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 889 /* 38 - 2880x576@50Hz */ 890 { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928, 891 3184, 3456, 0, 576, 581, 586, 625, 0, 892 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 893 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 894 /* 39 - 1920x1080i@50Hz */ 895 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952, 896 2120, 2304, 0, 1080, 1126, 1136, 1250, 0, 897 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC | 898 DRM_MODE_FLAG_INTERLACE), 899 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 900 /* 40 - 1920x1080i@100Hz */ 901 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448, 902 2492, 2640, 0, 1080, 1084, 1094, 1125, 0, 903 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | 904 DRM_MODE_FLAG_INTERLACE), 905 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 906 /* 41 - 1280x720@100Hz */ 907 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720, 908 1760, 1980, 0, 720, 725, 730, 750, 0, 909 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 910 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 911 /* 42 - 720x576@100Hz */ 912 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732, 913 796, 864, 0, 576, 581, 586, 625, 0, 914 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 915 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 916 /* 43 - 720x576@100Hz */ 917 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732, 918 796, 864, 0, 576, 581, 586, 625, 0, 919 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 920 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 921 /* 44 - 720(1440)x576i@100Hz */ 922 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732, 923 795, 864, 0, 576, 580, 586, 625, 0, 924 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 925 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 926 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 927 /* 45 - 720(1440)x576i@100Hz */ 928 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732, 929 795, 864, 0, 576, 580, 586, 625, 0, 930 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 931 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 932 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 933 /* 46 - 1920x1080i@120Hz */ 934 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008, 935 2052, 2200, 0, 1080, 1084, 1094, 1125, 0, 936 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | 937 DRM_MODE_FLAG_INTERLACE), 938 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 939 /* 47 - 1280x720@120Hz */ 940 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390, 941 1430, 1650, 0, 720, 725, 730, 750, 0, 942 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 943 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 944 /* 48 - 720x480@120Hz */ 945 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736, 946 798, 858, 0, 480, 489, 495, 525, 0, 947 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 948 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 949 /* 49 - 720x480@120Hz */ 950 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736, 951 798, 858, 0, 480, 489, 495, 525, 0, 952 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 953 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 954 /* 50 - 720(1440)x480i@120Hz */ 955 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739, 956 801, 858, 0, 480, 488, 494, 525, 0, 957 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 958 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 959 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 960 /* 51 - 720(1440)x480i@120Hz */ 961 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739, 962 801, 858, 0, 480, 488, 494, 525, 0, 963 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 964 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 965 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 966 /* 52 - 720x576@200Hz */ 967 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732, 968 796, 864, 0, 576, 581, 586, 625, 0, 969 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 970 .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 971 /* 53 - 720x576@200Hz */ 972 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732, 973 796, 864, 0, 576, 581, 586, 625, 0, 974 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 975 .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 976 /* 54 - 720(1440)x576i@200Hz */ 977 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732, 978 795, 864, 0, 576, 580, 586, 625, 0, 979 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 980 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 981 .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 982 /* 55 - 720(1440)x576i@200Hz */ 983 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732, 984 795, 864, 0, 576, 580, 586, 625, 0, 985 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 986 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 987 .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 988 /* 56 - 720x480@240Hz */ 989 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736, 990 798, 858, 0, 480, 489, 495, 525, 0, 991 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 992 .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 993 /* 57 - 720x480@240Hz */ 994 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736, 995 798, 858, 0, 480, 489, 495, 525, 0, 996 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), 997 .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 998 /* 58 - 720(1440)x480i@240Hz */ 999 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739, 1000 801, 858, 0, 480, 488, 494, 525, 0, 1001 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 1002 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 1003 .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, }, 1004 /* 59 - 720(1440)x480i@240Hz */ 1005 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739, 1006 801, 858, 0, 480, 488, 494, 525, 0, 1007 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC | 1008 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK), 1009 .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1010 /* 60 - 1280x720@24Hz */ 1011 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040, 1012 3080, 3300, 0, 720, 725, 730, 750, 0, 1013 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1014 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1015 /* 61 - 1280x720@25Hz */ 1016 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700, 1017 3740, 3960, 0, 720, 725, 730, 750, 0, 1018 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1019 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1020 /* 62 - 1280x720@30Hz */ 1021 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040, 1022 3080, 3300, 0, 720, 725, 730, 750, 0, 1023 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1024 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1025 /* 63 - 1920x1080@120Hz */ 1026 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008, 1027 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, 1028 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1029 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1030 /* 64 - 1920x1080@100Hz */ 1031 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448, 1032 2492, 2640, 0, 1080, 1084, 1089, 1125, 0, 1033 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1034 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1035 /* 65 - 1280x720@24Hz */ 1036 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040, 1037 3080, 3300, 0, 720, 725, 730, 750, 0, 1038 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1039 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1040 /* 66 - 1280x720@25Hz */ 1041 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700, 1042 3740, 3960, 0, 720, 725, 730, 750, 0, 1043 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1044 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1045 /* 67 - 1280x720@30Hz */ 1046 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040, 1047 3080, 3300, 0, 720, 725, 730, 750, 0, 1048 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1049 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1050 /* 68 - 1280x720@50Hz */ 1051 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720, 1052 1760, 1980, 0, 720, 725, 730, 750, 0, 1053 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1054 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1055 /* 69 - 1280x720@60Hz */ 1056 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390, 1057 1430, 1650, 0, 720, 725, 730, 750, 0, 1058 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1059 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1060 /* 70 - 1280x720@100Hz */ 1061 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720, 1062 1760, 1980, 0, 720, 725, 730, 750, 0, 1063 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1064 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1065 /* 71 - 1280x720@120Hz */ 1066 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390, 1067 1430, 1650, 0, 720, 725, 730, 750, 0, 1068 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1069 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1070 /* 72 - 1920x1080@24Hz */ 1071 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558, 1072 2602, 2750, 0, 1080, 1084, 1089, 1125, 0, 1073 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1074 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1075 /* 73 - 1920x1080@25Hz */ 1076 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448, 1077 2492, 2640, 0, 1080, 1084, 1089, 1125, 0, 1078 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1079 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1080 /* 74 - 1920x1080@30Hz */ 1081 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008, 1082 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, 1083 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1084 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1085 /* 75 - 1920x1080@50Hz */ 1086 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448, 1087 2492, 2640, 0, 1080, 1084, 1089, 1125, 0, 1088 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1089 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1090 /* 76 - 1920x1080@60Hz */ 1091 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008, 1092 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, 1093 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1094 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1095 /* 77 - 1920x1080@100Hz */ 1096 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448, 1097 2492, 2640, 0, 1080, 1084, 1089, 1125, 0, 1098 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1099 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1100 /* 78 - 1920x1080@120Hz */ 1101 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008, 1102 2052, 2200, 0, 1080, 1084, 1089, 1125, 0, 1103 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1104 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1105 /* 79 - 1680x720@24Hz */ 1106 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040, 1107 3080, 3300, 0, 720, 725, 730, 750, 0, 1108 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1109 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1110 /* 80 - 1680x720@25Hz */ 1111 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908, 1112 2948, 3168, 0, 720, 725, 730, 750, 0, 1113 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1114 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1115 /* 81 - 1680x720@30Hz */ 1116 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380, 1117 2420, 2640, 0, 720, 725, 730, 750, 0, 1118 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1119 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1120 /* 82 - 1680x720@50Hz */ 1121 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940, 1122 1980, 2200, 0, 720, 725, 730, 750, 0, 1123 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1124 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1125 /* 83 - 1680x720@60Hz */ 1126 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940, 1127 1980, 2200, 0, 720, 725, 730, 750, 0, 1128 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1129 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1130 /* 84 - 1680x720@100Hz */ 1131 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740, 1132 1780, 2000, 0, 720, 725, 730, 825, 0, 1133 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1134 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1135 /* 85 - 1680x720@120Hz */ 1136 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740, 1137 1780, 2000, 0, 720, 725, 730, 825, 0, 1138 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1139 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1140 /* 86 - 2560x1080@24Hz */ 1141 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558, 1142 3602, 3750, 0, 1080, 1084, 1089, 1100, 0, 1143 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1144 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1145 /* 87 - 2560x1080@25Hz */ 1146 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008, 1147 3052, 3200, 0, 1080, 1084, 1089, 1125, 0, 1148 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1149 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1150 /* 88 - 2560x1080@30Hz */ 1151 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328, 1152 3372, 3520, 0, 1080, 1084, 1089, 1125, 0, 1153 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1154 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1155 /* 89 - 2560x1080@50Hz */ 1156 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108, 1157 3152, 3300, 0, 1080, 1084, 1089, 1125, 0, 1158 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1159 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1160 /* 90 - 2560x1080@60Hz */ 1161 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808, 1162 2852, 3000, 0, 1080, 1084, 1089, 1100, 0, 1163 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1164 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1165 /* 91 - 2560x1080@100Hz */ 1166 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778, 1167 2822, 2970, 0, 1080, 1084, 1089, 1250, 0, 1168 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1169 .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1170 /* 92 - 2560x1080@120Hz */ 1171 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108, 1172 3152, 3300, 0, 1080, 1084, 1089, 1250, 0, 1173 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1174 .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1175 /* 93 - 3840x2160p@24Hz 16:9 */ 1176 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116, 1177 5204, 5500, 0, 2160, 2168, 2178, 2250, 0, 1178 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1179 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1180 /* 94 - 3840x2160p@25Hz 16:9 */ 1181 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896, 1182 4984, 5280, 0, 2160, 2168, 2178, 2250, 0, 1183 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1184 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1185 /* 95 - 3840x2160p@30Hz 16:9 */ 1186 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016, 1187 4104, 4400, 0, 2160, 2168, 2178, 2250, 0, 1188 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1189 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1190 /* 96 - 3840x2160p@50Hz 16:9 */ 1191 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896, 1192 4984, 5280, 0, 2160, 2168, 2178, 2250, 0, 1193 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1194 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1195 /* 97 - 3840x2160p@60Hz 16:9 */ 1196 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016, 1197 4104, 4400, 0, 2160, 2168, 2178, 2250, 0, 1198 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1199 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, }, 1200 /* 98 - 4096x2160p@24Hz 256:135 */ 1201 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116, 1202 5204, 5500, 0, 2160, 2168, 2178, 2250, 0, 1203 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1204 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, }, 1205 /* 99 - 4096x2160p@25Hz 256:135 */ 1206 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064, 1207 5152, 5280, 0, 2160, 2168, 2178, 2250, 0, 1208 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1209 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, }, 1210 /* 100 - 4096x2160p@30Hz 256:135 */ 1211 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184, 1212 4272, 4400, 0, 2160, 2168, 2178, 2250, 0, 1213 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1214 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, }, 1215 /* 101 - 4096x2160p@50Hz 256:135 */ 1216 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064, 1217 5152, 5280, 0, 2160, 2168, 2178, 2250, 0, 1218 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1219 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, }, 1220 /* 102 - 4096x2160p@60Hz 256:135 */ 1221 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184, 1222 4272, 4400, 0, 2160, 2168, 2178, 2250, 0, 1223 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1224 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, }, 1225 /* 103 - 3840x2160p@24Hz 64:27 */ 1226 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116, 1227 5204, 5500, 0, 2160, 2168, 2178, 2250, 0, 1228 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1229 .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1230 /* 104 - 3840x2160p@25Hz 64:27 */ 1231 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896, 1232 4984, 5280, 0, 2160, 2168, 2178, 2250, 0, 1233 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1234 .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1235 /* 105 - 3840x2160p@30Hz 64:27 */ 1236 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016, 1237 4104, 4400, 0, 2160, 2168, 2178, 2250, 0, 1238 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1239 .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1240 /* 106 - 3840x2160p@50Hz 64:27 */ 1241 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896, 1242 4984, 5280, 0, 2160, 2168, 2178, 2250, 0, 1243 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1244 .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1245 /* 107 - 3840x2160p@60Hz 64:27 */ 1246 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016, 1247 4104, 4400, 0, 2160, 2168, 2178, 2250, 0, 1248 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1249 .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, }, 1250 }; 1251 1252 /* 1253 * HDMI 1.4 4k modes. Index using the VIC. 1254 */ 1255 static const struct drm_display_mode edid_4k_modes[] = { 1256 /* 0 - dummy, VICs start at 1 */ 1257 { }, 1258 /* 1 - 3840x2160@30Hz */ 1259 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 1260 3840, 4016, 4104, 4400, 0, 1261 2160, 2168, 2178, 2250, 0, 1262 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1263 .vrefresh = 30, }, 1264 /* 2 - 3840x2160@25Hz */ 1265 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 1266 3840, 4896, 4984, 5280, 0, 1267 2160, 2168, 2178, 2250, 0, 1268 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1269 .vrefresh = 25, }, 1270 /* 3 - 3840x2160@24Hz */ 1271 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 1272 3840, 5116, 5204, 5500, 0, 1273 2160, 2168, 2178, 2250, 0, 1274 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1275 .vrefresh = 24, }, 1276 /* 4 - 4096x2160@24Hz (SMPTE) */ 1277 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 1278 4096, 5116, 5204, 5500, 0, 1279 2160, 2168, 2178, 2250, 0, 1280 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC), 1281 .vrefresh = 24, }, 1282 }; 1283 1284 /*** DDC fetch and block validation ***/ 1285 1286 static const u8 edid_header[] = { 1287 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 1288 }; 1289 1290 /** 1291 * drm_edid_header_is_valid - sanity check the header of the base EDID block 1292 * @raw_edid: pointer to raw base EDID block 1293 * 1294 * Sanity check the header of the base EDID block. 1295 * 1296 * Return: 8 if the header is perfect, down to 0 if it's totally wrong. 1297 */ 1298 int drm_edid_header_is_valid(const u8 *raw_edid) 1299 { 1300 int i, score = 0; 1301 1302 for (i = 0; i < sizeof(edid_header); i++) 1303 if (raw_edid[i] == edid_header[i]) 1304 score++; 1305 1306 return score; 1307 } 1308 EXPORT_SYMBOL(drm_edid_header_is_valid); 1309 1310 static int edid_fixup __read_mostly = 6; 1311 module_param_named(edid_fixup, edid_fixup, int, 0400); 1312 MODULE_PARM_DESC(edid_fixup, 1313 "Minimum number of valid EDID header bytes (0-8, default 6)"); 1314 1315 static void drm_get_displayid(struct drm_connector *connector, 1316 struct edid *edid); 1317 1318 static int drm_edid_block_checksum(const u8 *raw_edid) 1319 { 1320 int i; 1321 u8 csum = 0; 1322 for (i = 0; i < EDID_LENGTH; i++) 1323 csum += raw_edid[i]; 1324 1325 return csum; 1326 } 1327 1328 static bool drm_edid_is_zero(const u8 *in_edid, int length) 1329 { 1330 if (memchr_inv(in_edid, 0, length)) 1331 return false; 1332 1333 return true; 1334 } 1335 1336 /** 1337 * drm_edid_block_valid - Sanity check the EDID block (base or extension) 1338 * @raw_edid: pointer to raw EDID block 1339 * @block: type of block to validate (0 for base, extension otherwise) 1340 * @print_bad_edid: if true, dump bad EDID blocks to the console 1341 * @edid_corrupt: if true, the header or checksum is invalid 1342 * 1343 * Validate a base or extension EDID block and optionally dump bad blocks to 1344 * the console. 1345 * 1346 * Return: True if the block is valid, false otherwise. 1347 */ 1348 bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid, 1349 bool *edid_corrupt) 1350 { 1351 u8 csum; 1352 struct edid *edid = (struct edid *)raw_edid; 1353 1354 if (WARN_ON(!raw_edid)) 1355 return false; 1356 1357 if (edid_fixup > 8 || edid_fixup < 0) 1358 edid_fixup = 6; 1359 1360 if (block == 0) { 1361 int score = drm_edid_header_is_valid(raw_edid); 1362 if (score == 8) { 1363 if (edid_corrupt) 1364 *edid_corrupt = false; 1365 } else if (score >= edid_fixup) { 1366 /* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6 1367 * The corrupt flag needs to be set here otherwise, the 1368 * fix-up code here will correct the problem, the 1369 * checksum is correct and the test fails 1370 */ 1371 if (edid_corrupt) 1372 *edid_corrupt = true; 1373 DRM_DEBUG("Fixing EDID header, your hardware may be failing\n"); 1374 memcpy(raw_edid, edid_header, sizeof(edid_header)); 1375 } else { 1376 if (edid_corrupt) 1377 *edid_corrupt = true; 1378 goto bad; 1379 } 1380 } 1381 1382 csum = drm_edid_block_checksum(raw_edid); 1383 if (csum) { 1384 if (edid_corrupt) 1385 *edid_corrupt = true; 1386 1387 /* allow CEA to slide through, switches mangle this */ 1388 if (raw_edid[0] == CEA_EXT) { 1389 DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum); 1390 DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n"); 1391 } else { 1392 if (print_bad_edid) 1393 DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum); 1394 1395 goto bad; 1396 } 1397 } 1398 1399 /* per-block-type checks */ 1400 switch (raw_edid[0]) { 1401 case 0: /* base */ 1402 if (edid->version != 1) { 1403 DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version); 1404 goto bad; 1405 } 1406 1407 if (edid->revision > 4) 1408 DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n"); 1409 break; 1410 1411 default: 1412 break; 1413 } 1414 1415 return true; 1416 1417 bad: 1418 if (print_bad_edid) { 1419 if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) { 1420 pr_notice("EDID block is all zeroes\n"); 1421 } else { 1422 pr_notice("Raw EDID:\n"); 1423 print_hex_dump(KERN_NOTICE, 1424 " \t", DUMP_PREFIX_NONE, 16, 1, 1425 raw_edid, EDID_LENGTH, false); 1426 } 1427 } 1428 return false; 1429 } 1430 EXPORT_SYMBOL(drm_edid_block_valid); 1431 1432 /** 1433 * drm_edid_is_valid - sanity check EDID data 1434 * @edid: EDID data 1435 * 1436 * Sanity-check an entire EDID record (including extensions) 1437 * 1438 * Return: True if the EDID data is valid, false otherwise. 1439 */ 1440 bool drm_edid_is_valid(struct edid *edid) 1441 { 1442 int i; 1443 u8 *raw = (u8 *)edid; 1444 1445 if (!edid) 1446 return false; 1447 1448 for (i = 0; i <= edid->extensions; i++) 1449 if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL)) 1450 return false; 1451 1452 return true; 1453 } 1454 EXPORT_SYMBOL(drm_edid_is_valid); 1455 1456 #define DDC_SEGMENT_ADDR 0x30 1457 /** 1458 * drm_do_probe_ddc_edid() - get EDID information via I2C 1459 * @data: I2C device adapter 1460 * @buf: EDID data buffer to be filled 1461 * @block: 128 byte EDID block to start fetching from 1462 * @len: EDID data buffer length to fetch 1463 * 1464 * Try to fetch EDID information by calling I2C driver functions. 1465 * 1466 * Return: 0 on success or -1 on failure. 1467 */ 1468 static int 1469 drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len) 1470 { 1471 struct i2c_adapter *adapter = data; 1472 unsigned char start = block * EDID_LENGTH; 1473 unsigned char segment = block >> 1; 1474 unsigned char xfers = segment ? 3 : 2; 1475 int ret, retries = 5; 1476 1477 /* 1478 * The core I2C driver will automatically retry the transfer if the 1479 * adapter reports EAGAIN. However, we find that bit-banging transfers 1480 * are susceptible to errors under a heavily loaded machine and 1481 * generate spurious NAKs and timeouts. Retrying the transfer 1482 * of the individual block a few times seems to overcome this. 1483 */ 1484 do { 1485 struct i2c_msg msgs[] = { 1486 { 1487 .addr = DDC_SEGMENT_ADDR, 1488 .flags = 0, 1489 .len = 1, 1490 .buf = &segment, 1491 }, { 1492 .addr = DDC_ADDR, 1493 .flags = 0, 1494 .len = 1, 1495 .buf = &start, 1496 }, { 1497 .addr = DDC_ADDR, 1498 .flags = I2C_M_RD, 1499 .len = len, 1500 .buf = buf, 1501 } 1502 }; 1503 1504 /* 1505 * Avoid sending the segment addr to not upset non-compliant 1506 * DDC monitors. 1507 */ 1508 ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers); 1509 1510 if (ret == -ENXIO) { 1511 DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n", 1512 adapter->name); 1513 break; 1514 } 1515 } while (ret != xfers && --retries); 1516 1517 return ret == xfers ? 0 : -1; 1518 } 1519 1520 static void connector_bad_edid(struct drm_connector *connector, 1521 u8 *edid, int num_blocks) 1522 { 1523 int i; 1524 1525 if (connector->bad_edid_counter++ && !(drm_debug & DRM_UT_KMS)) 1526 return; 1527 1528 dev_warn(connector->dev->dev, 1529 "%s: EDID is invalid:\n", 1530 connector->name); 1531 for (i = 0; i < num_blocks; i++) { 1532 u8 *block = edid + i * EDID_LENGTH; 1533 char prefix[20]; 1534 1535 if (drm_edid_is_zero(block, EDID_LENGTH)) 1536 sprintf(prefix, "\t[%02x] ZERO ", i); 1537 else if (!drm_edid_block_valid(block, i, false, NULL)) 1538 sprintf(prefix, "\t[%02x] BAD ", i); 1539 else 1540 sprintf(prefix, "\t[%02x] GOOD ", i); 1541 1542 print_hex_dump(KERN_WARNING, 1543 prefix, DUMP_PREFIX_NONE, 16, 1, 1544 block, EDID_LENGTH, false); 1545 } 1546 } 1547 1548 /** 1549 * drm_do_get_edid - get EDID data using a custom EDID block read function 1550 * @connector: connector we're probing 1551 * @get_edid_block: EDID block read function 1552 * @data: private data passed to the block read function 1553 * 1554 * When the I2C adapter connected to the DDC bus is hidden behind a device that 1555 * exposes a different interface to read EDID blocks this function can be used 1556 * to get EDID data using a custom block read function. 1557 * 1558 * As in the general case the DDC bus is accessible by the kernel at the I2C 1559 * level, drivers must make all reasonable efforts to expose it as an I2C 1560 * adapter and use drm_get_edid() instead of abusing this function. 1561 * 1562 * The EDID may be overridden using debugfs override_edid or firmare EDID 1563 * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority 1564 * order. Having either of them bypasses actual EDID reads. 1565 * 1566 * Return: Pointer to valid EDID or NULL if we couldn't find any. 1567 */ 1568 struct edid *drm_do_get_edid(struct drm_connector *connector, 1569 int (*get_edid_block)(void *data, u8 *buf, unsigned int block, 1570 size_t len), 1571 void *data) 1572 { 1573 int i, j = 0, valid_extensions = 0; 1574 u8 *edid, *new; 1575 struct edid *override = NULL; 1576 1577 if (connector->override_edid) 1578 override = drm_edid_duplicate(connector->edid_blob_ptr->data); 1579 1580 if (!override) 1581 override = drm_load_edid_firmware(connector); 1582 1583 if (!IS_ERR_OR_NULL(override)) 1584 return override; 1585 1586 if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL) 1587 return NULL; 1588 1589 /* base block fetch */ 1590 for (i = 0; i < 4; i++) { 1591 if (get_edid_block(data, edid, 0, EDID_LENGTH)) 1592 goto out; 1593 if (drm_edid_block_valid(edid, 0, false, 1594 &connector->edid_corrupt)) 1595 break; 1596 if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) { 1597 connector->null_edid_counter++; 1598 goto carp; 1599 } 1600 } 1601 if (i == 4) 1602 goto carp; 1603 1604 /* if there's no extensions, we're done */ 1605 valid_extensions = edid[0x7e]; 1606 if (valid_extensions == 0) 1607 return (struct edid *)edid; 1608 1609 new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL); 1610 if (!new) 1611 goto out; 1612 edid = new; 1613 1614 for (j = 1; j <= edid[0x7e]; j++) { 1615 u8 *block = edid + j * EDID_LENGTH; 1616 1617 for (i = 0; i < 4; i++) { 1618 if (get_edid_block(data, block, j, EDID_LENGTH)) 1619 goto out; 1620 if (drm_edid_block_valid(block, j, false, NULL)) 1621 break; 1622 } 1623 1624 if (i == 4) 1625 valid_extensions--; 1626 } 1627 1628 if (valid_extensions != edid[0x7e]) { 1629 u8 *base; 1630 1631 connector_bad_edid(connector, edid, edid[0x7e] + 1); 1632 1633 edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions; 1634 edid[0x7e] = valid_extensions; 1635 1636 new = kmalloc((valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL); 1637 if (!new) 1638 goto out; 1639 1640 base = new; 1641 for (i = 0; i <= edid[0x7e]; i++) { 1642 u8 *block = edid + i * EDID_LENGTH; 1643 1644 if (!drm_edid_block_valid(block, i, false, NULL)) 1645 continue; 1646 1647 memcpy(base, block, EDID_LENGTH); 1648 base += EDID_LENGTH; 1649 } 1650 1651 kfree(edid); 1652 edid = new; 1653 } 1654 1655 return (struct edid *)edid; 1656 1657 carp: 1658 connector_bad_edid(connector, edid, 1); 1659 out: 1660 kfree(edid); 1661 return NULL; 1662 } 1663 EXPORT_SYMBOL_GPL(drm_do_get_edid); 1664 1665 /** 1666 * drm_probe_ddc() - probe DDC presence 1667 * @adapter: I2C adapter to probe 1668 * 1669 * Return: True on success, false on failure. 1670 */ 1671 bool 1672 drm_probe_ddc(struct i2c_adapter *adapter) 1673 { 1674 unsigned char out; 1675 1676 return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0); 1677 } 1678 EXPORT_SYMBOL(drm_probe_ddc); 1679 1680 /** 1681 * drm_get_edid - get EDID data, if available 1682 * @connector: connector we're probing 1683 * @adapter: I2C adapter to use for DDC 1684 * 1685 * Poke the given I2C channel to grab EDID data if possible. If found, 1686 * attach it to the connector. 1687 * 1688 * Return: Pointer to valid EDID or NULL if we couldn't find any. 1689 */ 1690 struct edid *drm_get_edid(struct drm_connector *connector, 1691 struct i2c_adapter *adapter) 1692 { 1693 struct edid *edid; 1694 1695 if (connector->force == DRM_FORCE_OFF) 1696 return NULL; 1697 1698 if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter)) 1699 return NULL; 1700 1701 edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter); 1702 if (edid) 1703 drm_get_displayid(connector, edid); 1704 return edid; 1705 } 1706 EXPORT_SYMBOL(drm_get_edid); 1707 1708 /** 1709 * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output 1710 * @connector: connector we're probing 1711 * @adapter: I2C adapter to use for DDC 1712 * 1713 * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of 1714 * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily 1715 * switch DDC to the GPU which is retrieving EDID. 1716 * 1717 * Return: Pointer to valid EDID or %NULL if we couldn't find any. 1718 */ 1719 struct edid *drm_get_edid_switcheroo(struct drm_connector *connector, 1720 struct i2c_adapter *adapter) 1721 { 1722 struct pci_dev *pdev = connector->dev->pdev; 1723 struct edid *edid; 1724 1725 vga_switcheroo_lock_ddc(pdev); 1726 edid = drm_get_edid(connector, adapter); 1727 vga_switcheroo_unlock_ddc(pdev); 1728 1729 return edid; 1730 } 1731 EXPORT_SYMBOL(drm_get_edid_switcheroo); 1732 1733 /** 1734 * drm_edid_duplicate - duplicate an EDID and the extensions 1735 * @edid: EDID to duplicate 1736 * 1737 * Return: Pointer to duplicated EDID or NULL on allocation failure. 1738 */ 1739 struct edid *drm_edid_duplicate(const struct edid *edid) 1740 { 1741 return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL); 1742 } 1743 EXPORT_SYMBOL(drm_edid_duplicate); 1744 1745 /*** EDID parsing ***/ 1746 1747 /** 1748 * edid_vendor - match a string against EDID's obfuscated vendor field 1749 * @edid: EDID to match 1750 * @vendor: vendor string 1751 * 1752 * Returns true if @vendor is in @edid, false otherwise 1753 */ 1754 static bool edid_vendor(const struct edid *edid, const char *vendor) 1755 { 1756 char edid_vendor[3]; 1757 1758 edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@'; 1759 edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) | 1760 ((edid->mfg_id[1] & 0xe0) >> 5)) + '@'; 1761 edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@'; 1762 1763 return !strncmp(edid_vendor, vendor, 3); 1764 } 1765 1766 /** 1767 * edid_get_quirks - return quirk flags for a given EDID 1768 * @edid: EDID to process 1769 * 1770 * This tells subsequent routines what fixes they need to apply. 1771 */ 1772 static u32 edid_get_quirks(const struct edid *edid) 1773 { 1774 const struct edid_quirk *quirk; 1775 int i; 1776 1777 for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) { 1778 quirk = &edid_quirk_list[i]; 1779 1780 if (edid_vendor(edid, quirk->vendor) && 1781 (EDID_PRODUCT_ID(edid) == quirk->product_id)) 1782 return quirk->quirks; 1783 } 1784 1785 return 0; 1786 } 1787 1788 #define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay) 1789 #define MODE_REFRESH_DIFF(c,t) (abs((c) - (t))) 1790 1791 /** 1792 * edid_fixup_preferred - set preferred modes based on quirk list 1793 * @connector: has mode list to fix up 1794 * @quirks: quirks list 1795 * 1796 * Walk the mode list for @connector, clearing the preferred status 1797 * on existing modes and setting it anew for the right mode ala @quirks. 1798 */ 1799 static void edid_fixup_preferred(struct drm_connector *connector, 1800 u32 quirks) 1801 { 1802 struct drm_display_mode *t, *cur_mode, *preferred_mode; 1803 int target_refresh = 0; 1804 int cur_vrefresh, preferred_vrefresh; 1805 1806 if (list_empty(&connector->probed_modes)) 1807 return; 1808 1809 if (quirks & EDID_QUIRK_PREFER_LARGE_60) 1810 target_refresh = 60; 1811 if (quirks & EDID_QUIRK_PREFER_LARGE_75) 1812 target_refresh = 75; 1813 1814 preferred_mode = list_first_entry(&connector->probed_modes, 1815 struct drm_display_mode, head); 1816 1817 list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) { 1818 cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED; 1819 1820 if (cur_mode == preferred_mode) 1821 continue; 1822 1823 /* Largest mode is preferred */ 1824 if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode)) 1825 preferred_mode = cur_mode; 1826 1827 cur_vrefresh = cur_mode->vrefresh ? 1828 cur_mode->vrefresh : drm_mode_vrefresh(cur_mode); 1829 preferred_vrefresh = preferred_mode->vrefresh ? 1830 preferred_mode->vrefresh : drm_mode_vrefresh(preferred_mode); 1831 /* At a given size, try to get closest to target refresh */ 1832 if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) && 1833 MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) < 1834 MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) { 1835 preferred_mode = cur_mode; 1836 } 1837 } 1838 1839 preferred_mode->type |= DRM_MODE_TYPE_PREFERRED; 1840 } 1841 1842 static bool 1843 mode_is_rb(const struct drm_display_mode *mode) 1844 { 1845 return (mode->htotal - mode->hdisplay == 160) && 1846 (mode->hsync_end - mode->hdisplay == 80) && 1847 (mode->hsync_end - mode->hsync_start == 32) && 1848 (mode->vsync_start - mode->vdisplay == 3); 1849 } 1850 1851 /* 1852 * drm_mode_find_dmt - Create a copy of a mode if present in DMT 1853 * @dev: Device to duplicate against 1854 * @hsize: Mode width 1855 * @vsize: Mode height 1856 * @fresh: Mode refresh rate 1857 * @rb: Mode reduced-blanking-ness 1858 * 1859 * Walk the DMT mode list looking for a match for the given parameters. 1860 * 1861 * Return: A newly allocated copy of the mode, or NULL if not found. 1862 */ 1863 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev, 1864 int hsize, int vsize, int fresh, 1865 bool rb) 1866 { 1867 int i; 1868 1869 for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) { 1870 const struct drm_display_mode *ptr = &drm_dmt_modes[i]; 1871 if (hsize != ptr->hdisplay) 1872 continue; 1873 if (vsize != ptr->vdisplay) 1874 continue; 1875 if (fresh != drm_mode_vrefresh(ptr)) 1876 continue; 1877 if (rb != mode_is_rb(ptr)) 1878 continue; 1879 1880 return drm_mode_duplicate(dev, ptr); 1881 } 1882 1883 return NULL; 1884 } 1885 EXPORT_SYMBOL(drm_mode_find_dmt); 1886 1887 typedef void detailed_cb(struct detailed_timing *timing, void *closure); 1888 1889 static void 1890 cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure) 1891 { 1892 int i, n = 0; 1893 u8 d = ext[0x02]; 1894 u8 *det_base = ext + d; 1895 1896 n = (127 - d) / 18; 1897 for (i = 0; i < n; i++) 1898 cb((struct detailed_timing *)(det_base + 18 * i), closure); 1899 } 1900 1901 static void 1902 vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure) 1903 { 1904 unsigned int i, n = min((int)ext[0x02], 6); 1905 u8 *det_base = ext + 5; 1906 1907 if (ext[0x01] != 1) 1908 return; /* unknown version */ 1909 1910 for (i = 0; i < n; i++) 1911 cb((struct detailed_timing *)(det_base + 18 * i), closure); 1912 } 1913 1914 static void 1915 drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure) 1916 { 1917 int i; 1918 struct edid *edid = (struct edid *)raw_edid; 1919 1920 if (edid == NULL) 1921 return; 1922 1923 for (i = 0; i < EDID_DETAILED_TIMINGS; i++) 1924 cb(&(edid->detailed_timings[i]), closure); 1925 1926 for (i = 1; i <= raw_edid[0x7e]; i++) { 1927 u8 *ext = raw_edid + (i * EDID_LENGTH); 1928 switch (*ext) { 1929 case CEA_EXT: 1930 cea_for_each_detailed_block(ext, cb, closure); 1931 break; 1932 case VTB_EXT: 1933 vtb_for_each_detailed_block(ext, cb, closure); 1934 break; 1935 default: 1936 break; 1937 } 1938 } 1939 } 1940 1941 static void 1942 is_rb(struct detailed_timing *t, void *data) 1943 { 1944 u8 *r = (u8 *)t; 1945 if (r[3] == EDID_DETAIL_MONITOR_RANGE) 1946 if (r[15] & 0x10) 1947 *(bool *)data = true; 1948 } 1949 1950 /* EDID 1.4 defines this explicitly. For EDID 1.3, we guess, badly. */ 1951 static bool 1952 drm_monitor_supports_rb(struct edid *edid) 1953 { 1954 if (edid->revision >= 4) { 1955 bool ret = false; 1956 drm_for_each_detailed_block((u8 *)edid, is_rb, &ret); 1957 return ret; 1958 } 1959 1960 return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0); 1961 } 1962 1963 static void 1964 find_gtf2(struct detailed_timing *t, void *data) 1965 { 1966 u8 *r = (u8 *)t; 1967 if (r[3] == EDID_DETAIL_MONITOR_RANGE && r[10] == 0x02) 1968 *(u8 **)data = r; 1969 } 1970 1971 /* Secondary GTF curve kicks in above some break frequency */ 1972 static int 1973 drm_gtf2_hbreak(struct edid *edid) 1974 { 1975 u8 *r = NULL; 1976 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); 1977 return r ? (r[12] * 2) : 0; 1978 } 1979 1980 static int 1981 drm_gtf2_2c(struct edid *edid) 1982 { 1983 u8 *r = NULL; 1984 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); 1985 return r ? r[13] : 0; 1986 } 1987 1988 static int 1989 drm_gtf2_m(struct edid *edid) 1990 { 1991 u8 *r = NULL; 1992 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); 1993 return r ? (r[15] << 8) + r[14] : 0; 1994 } 1995 1996 static int 1997 drm_gtf2_k(struct edid *edid) 1998 { 1999 u8 *r = NULL; 2000 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); 2001 return r ? r[16] : 0; 2002 } 2003 2004 static int 2005 drm_gtf2_2j(struct edid *edid) 2006 { 2007 u8 *r = NULL; 2008 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r); 2009 return r ? r[17] : 0; 2010 } 2011 2012 /** 2013 * standard_timing_level - get std. timing level(CVT/GTF/DMT) 2014 * @edid: EDID block to scan 2015 */ 2016 static int standard_timing_level(struct edid *edid) 2017 { 2018 if (edid->revision >= 2) { 2019 if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)) 2020 return LEVEL_CVT; 2021 if (drm_gtf2_hbreak(edid)) 2022 return LEVEL_GTF2; 2023 return LEVEL_GTF; 2024 } 2025 return LEVEL_DMT; 2026 } 2027 2028 /* 2029 * 0 is reserved. The spec says 0x01 fill for unused timings. Some old 2030 * monitors fill with ascii space (0x20) instead. 2031 */ 2032 static int 2033 bad_std_timing(u8 a, u8 b) 2034 { 2035 return (a == 0x00 && b == 0x00) || 2036 (a == 0x01 && b == 0x01) || 2037 (a == 0x20 && b == 0x20); 2038 } 2039 2040 /** 2041 * drm_mode_std - convert standard mode info (width, height, refresh) into mode 2042 * @connector: connector of for the EDID block 2043 * @edid: EDID block to scan 2044 * @t: standard timing params 2045 * 2046 * Take the standard timing params (in this case width, aspect, and refresh) 2047 * and convert them into a real mode using CVT/GTF/DMT. 2048 */ 2049 static struct drm_display_mode * 2050 drm_mode_std(struct drm_connector *connector, struct edid *edid, 2051 struct std_timing *t) 2052 { 2053 struct drm_device *dev = connector->dev; 2054 struct drm_display_mode *m, *mode = NULL; 2055 int hsize, vsize; 2056 int vrefresh_rate; 2057 unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK) 2058 >> EDID_TIMING_ASPECT_SHIFT; 2059 unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK) 2060 >> EDID_TIMING_VFREQ_SHIFT; 2061 int timing_level = standard_timing_level(edid); 2062 2063 if (bad_std_timing(t->hsize, t->vfreq_aspect)) 2064 return NULL; 2065 2066 /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */ 2067 hsize = t->hsize * 8 + 248; 2068 /* vrefresh_rate = vfreq + 60 */ 2069 vrefresh_rate = vfreq + 60; 2070 /* the vdisplay is calculated based on the aspect ratio */ 2071 if (aspect_ratio == 0) { 2072 if (edid->revision < 3) 2073 vsize = hsize; 2074 else 2075 vsize = (hsize * 10) / 16; 2076 } else if (aspect_ratio == 1) 2077 vsize = (hsize * 3) / 4; 2078 else if (aspect_ratio == 2) 2079 vsize = (hsize * 4) / 5; 2080 else 2081 vsize = (hsize * 9) / 16; 2082 2083 /* HDTV hack, part 1 */ 2084 if (vrefresh_rate == 60 && 2085 ((hsize == 1360 && vsize == 765) || 2086 (hsize == 1368 && vsize == 769))) { 2087 hsize = 1366; 2088 vsize = 768; 2089 } 2090 2091 /* 2092 * If this connector already has a mode for this size and refresh 2093 * rate (because it came from detailed or CVT info), use that 2094 * instead. This way we don't have to guess at interlace or 2095 * reduced blanking. 2096 */ 2097 list_for_each_entry(m, &connector->probed_modes, head) 2098 if (m->hdisplay == hsize && m->vdisplay == vsize && 2099 drm_mode_vrefresh(m) == vrefresh_rate) 2100 return NULL; 2101 2102 /* HDTV hack, part 2 */ 2103 if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) { 2104 mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0, 2105 false); 2106 if (!mode) 2107 return NULL; 2108 mode->hdisplay = 1366; 2109 mode->hsync_start = mode->hsync_start - 1; 2110 mode->hsync_end = mode->hsync_end - 1; 2111 return mode; 2112 } 2113 2114 /* check whether it can be found in default mode table */ 2115 if (drm_monitor_supports_rb(edid)) { 2116 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, 2117 true); 2118 if (mode) 2119 return mode; 2120 } 2121 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false); 2122 if (mode) 2123 return mode; 2124 2125 /* okay, generate it */ 2126 switch (timing_level) { 2127 case LEVEL_DMT: 2128 break; 2129 case LEVEL_GTF: 2130 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0); 2131 break; 2132 case LEVEL_GTF2: 2133 /* 2134 * This is potentially wrong if there's ever a monitor with 2135 * more than one ranges section, each claiming a different 2136 * secondary GTF curve. Please don't do that. 2137 */ 2138 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0); 2139 if (!mode) 2140 return NULL; 2141 if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) { 2142 drm_mode_destroy(dev, mode); 2143 mode = drm_gtf_mode_complex(dev, hsize, vsize, 2144 vrefresh_rate, 0, 0, 2145 drm_gtf2_m(edid), 2146 drm_gtf2_2c(edid), 2147 drm_gtf2_k(edid), 2148 drm_gtf2_2j(edid)); 2149 } 2150 break; 2151 case LEVEL_CVT: 2152 mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0, 2153 false); 2154 break; 2155 } 2156 return mode; 2157 } 2158 2159 /* 2160 * EDID is delightfully ambiguous about how interlaced modes are to be 2161 * encoded. Our internal representation is of frame height, but some 2162 * HDTV detailed timings are encoded as field height. 2163 * 2164 * The format list here is from CEA, in frame size. Technically we 2165 * should be checking refresh rate too. Whatever. 2166 */ 2167 static void 2168 drm_mode_do_interlace_quirk(struct drm_display_mode *mode, 2169 struct detailed_pixel_timing *pt) 2170 { 2171 int i; 2172 static const struct { 2173 int w, h; 2174 } cea_interlaced[] = { 2175 { 1920, 1080 }, 2176 { 720, 480 }, 2177 { 1440, 480 }, 2178 { 2880, 480 }, 2179 { 720, 576 }, 2180 { 1440, 576 }, 2181 { 2880, 576 }, 2182 }; 2183 2184 if (!(pt->misc & DRM_EDID_PT_INTERLACED)) 2185 return; 2186 2187 for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) { 2188 if ((mode->hdisplay == cea_interlaced[i].w) && 2189 (mode->vdisplay == cea_interlaced[i].h / 2)) { 2190 mode->vdisplay *= 2; 2191 mode->vsync_start *= 2; 2192 mode->vsync_end *= 2; 2193 mode->vtotal *= 2; 2194 mode->vtotal |= 1; 2195 } 2196 } 2197 2198 mode->flags |= DRM_MODE_FLAG_INTERLACE; 2199 } 2200 2201 /** 2202 * drm_mode_detailed - create a new mode from an EDID detailed timing section 2203 * @dev: DRM device (needed to create new mode) 2204 * @edid: EDID block 2205 * @timing: EDID detailed timing info 2206 * @quirks: quirks to apply 2207 * 2208 * An EDID detailed timing block contains enough info for us to create and 2209 * return a new struct drm_display_mode. 2210 */ 2211 static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, 2212 struct edid *edid, 2213 struct detailed_timing *timing, 2214 u32 quirks) 2215 { 2216 struct drm_display_mode *mode; 2217 struct detailed_pixel_timing *pt = &timing->data.pixel_data; 2218 unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo; 2219 unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo; 2220 unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo; 2221 unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo; 2222 unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo; 2223 unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo; 2224 unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4; 2225 unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf); 2226 2227 /* ignore tiny modes */ 2228 if (hactive < 64 || vactive < 64) 2229 return NULL; 2230 2231 if (pt->misc & DRM_EDID_PT_STEREO) { 2232 DRM_DEBUG_KMS("stereo mode not supported\n"); 2233 return NULL; 2234 } 2235 if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) { 2236 DRM_DEBUG_KMS("composite sync not supported\n"); 2237 } 2238 2239 /* it is incorrect if hsync/vsync width is zero */ 2240 if (!hsync_pulse_width || !vsync_pulse_width) { 2241 DRM_DEBUG_KMS("Incorrect Detailed timing. " 2242 "Wrong Hsync/Vsync pulse width\n"); 2243 return NULL; 2244 } 2245 2246 if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) { 2247 mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false); 2248 if (!mode) 2249 return NULL; 2250 2251 goto set_size; 2252 } 2253 2254 mode = drm_mode_create(dev); 2255 if (!mode) 2256 return NULL; 2257 2258 if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH) 2259 timing->pixel_clock = cpu_to_le16(1088); 2260 2261 mode->clock = le16_to_cpu(timing->pixel_clock) * 10; 2262 2263 mode->hdisplay = hactive; 2264 mode->hsync_start = mode->hdisplay + hsync_offset; 2265 mode->hsync_end = mode->hsync_start + hsync_pulse_width; 2266 mode->htotal = mode->hdisplay + hblank; 2267 2268 mode->vdisplay = vactive; 2269 mode->vsync_start = mode->vdisplay + vsync_offset; 2270 mode->vsync_end = mode->vsync_start + vsync_pulse_width; 2271 mode->vtotal = mode->vdisplay + vblank; 2272 2273 /* Some EDIDs have bogus h/vtotal values */ 2274 if (mode->hsync_end > mode->htotal) 2275 mode->htotal = mode->hsync_end + 1; 2276 if (mode->vsync_end > mode->vtotal) 2277 mode->vtotal = mode->vsync_end + 1; 2278 2279 drm_mode_do_interlace_quirk(mode, pt); 2280 2281 if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) { 2282 pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE; 2283 } 2284 2285 mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ? 2286 DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC; 2287 mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ? 2288 DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC; 2289 2290 set_size: 2291 mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4; 2292 mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8; 2293 2294 if (quirks & EDID_QUIRK_DETAILED_IN_CM) { 2295 mode->width_mm *= 10; 2296 mode->height_mm *= 10; 2297 } 2298 2299 if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) { 2300 mode->width_mm = edid->width_cm * 10; 2301 mode->height_mm = edid->height_cm * 10; 2302 } 2303 2304 mode->type = DRM_MODE_TYPE_DRIVER; 2305 mode->vrefresh = drm_mode_vrefresh(mode); 2306 drm_mode_set_name(mode); 2307 2308 return mode; 2309 } 2310 2311 static bool 2312 mode_in_hsync_range(const struct drm_display_mode *mode, 2313 struct edid *edid, u8 *t) 2314 { 2315 int hsync, hmin, hmax; 2316 2317 hmin = t[7]; 2318 if (edid->revision >= 4) 2319 hmin += ((t[4] & 0x04) ? 255 : 0); 2320 hmax = t[8]; 2321 if (edid->revision >= 4) 2322 hmax += ((t[4] & 0x08) ? 255 : 0); 2323 hsync = drm_mode_hsync(mode); 2324 2325 return (hsync <= hmax && hsync >= hmin); 2326 } 2327 2328 static bool 2329 mode_in_vsync_range(const struct drm_display_mode *mode, 2330 struct edid *edid, u8 *t) 2331 { 2332 int vsync, vmin, vmax; 2333 2334 vmin = t[5]; 2335 if (edid->revision >= 4) 2336 vmin += ((t[4] & 0x01) ? 255 : 0); 2337 vmax = t[6]; 2338 if (edid->revision >= 4) 2339 vmax += ((t[4] & 0x02) ? 255 : 0); 2340 vsync = drm_mode_vrefresh(mode); 2341 2342 return (vsync <= vmax && vsync >= vmin); 2343 } 2344 2345 static u32 2346 range_pixel_clock(struct edid *edid, u8 *t) 2347 { 2348 /* unspecified */ 2349 if (t[9] == 0 || t[9] == 255) 2350 return 0; 2351 2352 /* 1.4 with CVT support gives us real precision, yay */ 2353 if (edid->revision >= 4 && t[10] == 0x04) 2354 return (t[9] * 10000) - ((t[12] >> 2) * 250); 2355 2356 /* 1.3 is pathetic, so fuzz up a bit */ 2357 return t[9] * 10000 + 5001; 2358 } 2359 2360 static bool 2361 mode_in_range(const struct drm_display_mode *mode, struct edid *edid, 2362 struct detailed_timing *timing) 2363 { 2364 u32 max_clock; 2365 u8 *t = (u8 *)timing; 2366 2367 if (!mode_in_hsync_range(mode, edid, t)) 2368 return false; 2369 2370 if (!mode_in_vsync_range(mode, edid, t)) 2371 return false; 2372 2373 if ((max_clock = range_pixel_clock(edid, t))) 2374 if (mode->clock > max_clock) 2375 return false; 2376 2377 /* 1.4 max horizontal check */ 2378 if (edid->revision >= 4 && t[10] == 0x04) 2379 if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3)))) 2380 return false; 2381 2382 if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid)) 2383 return false; 2384 2385 return true; 2386 } 2387 2388 static bool valid_inferred_mode(const struct drm_connector *connector, 2389 const struct drm_display_mode *mode) 2390 { 2391 const struct drm_display_mode *m; 2392 bool ok = false; 2393 2394 list_for_each_entry(m, &connector->probed_modes, head) { 2395 if (mode->hdisplay == m->hdisplay && 2396 mode->vdisplay == m->vdisplay && 2397 drm_mode_vrefresh(mode) == drm_mode_vrefresh(m)) 2398 return false; /* duplicated */ 2399 if (mode->hdisplay <= m->hdisplay && 2400 mode->vdisplay <= m->vdisplay) 2401 ok = true; 2402 } 2403 return ok; 2404 } 2405 2406 static int 2407 drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid, 2408 struct detailed_timing *timing) 2409 { 2410 int i, modes = 0; 2411 struct drm_display_mode *newmode; 2412 struct drm_device *dev = connector->dev; 2413 2414 for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) { 2415 if (mode_in_range(drm_dmt_modes + i, edid, timing) && 2416 valid_inferred_mode(connector, drm_dmt_modes + i)) { 2417 newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]); 2418 if (newmode) { 2419 drm_mode_probed_add(connector, newmode); 2420 modes++; 2421 } 2422 } 2423 } 2424 2425 return modes; 2426 } 2427 2428 /* fix up 1366x768 mode from 1368x768; 2429 * GFT/CVT can't express 1366 width which isn't dividable by 8 2430 */ 2431 void drm_mode_fixup_1366x768(struct drm_display_mode *mode) 2432 { 2433 if (mode->hdisplay == 1368 && mode->vdisplay == 768) { 2434 mode->hdisplay = 1366; 2435 mode->hsync_start--; 2436 mode->hsync_end--; 2437 drm_mode_set_name(mode); 2438 } 2439 } 2440 2441 static int 2442 drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid, 2443 struct detailed_timing *timing) 2444 { 2445 int i, modes = 0; 2446 struct drm_display_mode *newmode; 2447 struct drm_device *dev = connector->dev; 2448 2449 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) { 2450 const struct minimode *m = &extra_modes[i]; 2451 newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0); 2452 if (!newmode) 2453 return modes; 2454 2455 drm_mode_fixup_1366x768(newmode); 2456 if (!mode_in_range(newmode, edid, timing) || 2457 !valid_inferred_mode(connector, newmode)) { 2458 drm_mode_destroy(dev, newmode); 2459 continue; 2460 } 2461 2462 drm_mode_probed_add(connector, newmode); 2463 modes++; 2464 } 2465 2466 return modes; 2467 } 2468 2469 static int 2470 drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid, 2471 struct detailed_timing *timing) 2472 { 2473 int i, modes = 0; 2474 struct drm_display_mode *newmode; 2475 struct drm_device *dev = connector->dev; 2476 bool rb = drm_monitor_supports_rb(edid); 2477 2478 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) { 2479 const struct minimode *m = &extra_modes[i]; 2480 newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0); 2481 if (!newmode) 2482 return modes; 2483 2484 drm_mode_fixup_1366x768(newmode); 2485 if (!mode_in_range(newmode, edid, timing) || 2486 !valid_inferred_mode(connector, newmode)) { 2487 drm_mode_destroy(dev, newmode); 2488 continue; 2489 } 2490 2491 drm_mode_probed_add(connector, newmode); 2492 modes++; 2493 } 2494 2495 return modes; 2496 } 2497 2498 static void 2499 do_inferred_modes(struct detailed_timing *timing, void *c) 2500 { 2501 struct detailed_mode_closure *closure = c; 2502 struct detailed_non_pixel *data = &timing->data.other_data; 2503 struct detailed_data_monitor_range *range = &data->data.range; 2504 2505 if (data->type != EDID_DETAIL_MONITOR_RANGE) 2506 return; 2507 2508 closure->modes += drm_dmt_modes_for_range(closure->connector, 2509 closure->edid, 2510 timing); 2511 2512 if (!version_greater(closure->edid, 1, 1)) 2513 return; /* GTF not defined yet */ 2514 2515 switch (range->flags) { 2516 case 0x02: /* secondary gtf, XXX could do more */ 2517 case 0x00: /* default gtf */ 2518 closure->modes += drm_gtf_modes_for_range(closure->connector, 2519 closure->edid, 2520 timing); 2521 break; 2522 case 0x04: /* cvt, only in 1.4+ */ 2523 if (!version_greater(closure->edid, 1, 3)) 2524 break; 2525 2526 closure->modes += drm_cvt_modes_for_range(closure->connector, 2527 closure->edid, 2528 timing); 2529 break; 2530 case 0x01: /* just the ranges, no formula */ 2531 default: 2532 break; 2533 } 2534 } 2535 2536 static int 2537 add_inferred_modes(struct drm_connector *connector, struct edid *edid) 2538 { 2539 struct detailed_mode_closure closure = { 2540 .connector = connector, 2541 .edid = edid, 2542 }; 2543 2544 if (version_greater(edid, 1, 0)) 2545 drm_for_each_detailed_block((u8 *)edid, do_inferred_modes, 2546 &closure); 2547 2548 return closure.modes; 2549 } 2550 2551 static int 2552 drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing) 2553 { 2554 int i, j, m, modes = 0; 2555 struct drm_display_mode *mode; 2556 u8 *est = ((u8 *)timing) + 6; 2557 2558 for (i = 0; i < 6; i++) { 2559 for (j = 7; j >= 0; j--) { 2560 m = (i * 8) + (7 - j); 2561 if (m >= ARRAY_SIZE(est3_modes)) 2562 break; 2563 if (est[i] & (1 << j)) { 2564 mode = drm_mode_find_dmt(connector->dev, 2565 est3_modes[m].w, 2566 est3_modes[m].h, 2567 est3_modes[m].r, 2568 est3_modes[m].rb); 2569 if (mode) { 2570 drm_mode_probed_add(connector, mode); 2571 modes++; 2572 } 2573 } 2574 } 2575 } 2576 2577 return modes; 2578 } 2579 2580 static void 2581 do_established_modes(struct detailed_timing *timing, void *c) 2582 { 2583 struct detailed_mode_closure *closure = c; 2584 struct detailed_non_pixel *data = &timing->data.other_data; 2585 2586 if (data->type == EDID_DETAIL_EST_TIMINGS) 2587 closure->modes += drm_est3_modes(closure->connector, timing); 2588 } 2589 2590 /** 2591 * add_established_modes - get est. modes from EDID and add them 2592 * @connector: connector to add mode(s) to 2593 * @edid: EDID block to scan 2594 * 2595 * Each EDID block contains a bitmap of the supported "established modes" list 2596 * (defined above). Tease them out and add them to the global modes list. 2597 */ 2598 static int 2599 add_established_modes(struct drm_connector *connector, struct edid *edid) 2600 { 2601 struct drm_device *dev = connector->dev; 2602 unsigned long est_bits = edid->established_timings.t1 | 2603 (edid->established_timings.t2 << 8) | 2604 ((edid->established_timings.mfg_rsvd & 0x80) << 9); 2605 int i, modes = 0; 2606 struct detailed_mode_closure closure = { 2607 .connector = connector, 2608 .edid = edid, 2609 }; 2610 2611 for (i = 0; i <= EDID_EST_TIMINGS; i++) { 2612 if (est_bits & (1<<i)) { 2613 struct drm_display_mode *newmode; 2614 newmode = drm_mode_duplicate(dev, &edid_est_modes[i]); 2615 if (newmode) { 2616 drm_mode_probed_add(connector, newmode); 2617 modes++; 2618 } 2619 } 2620 } 2621 2622 if (version_greater(edid, 1, 0)) 2623 drm_for_each_detailed_block((u8 *)edid, 2624 do_established_modes, &closure); 2625 2626 return modes + closure.modes; 2627 } 2628 2629 static void 2630 do_standard_modes(struct detailed_timing *timing, void *c) 2631 { 2632 struct detailed_mode_closure *closure = c; 2633 struct detailed_non_pixel *data = &timing->data.other_data; 2634 struct drm_connector *connector = closure->connector; 2635 struct edid *edid = closure->edid; 2636 2637 if (data->type == EDID_DETAIL_STD_MODES) { 2638 int i; 2639 for (i = 0; i < 6; i++) { 2640 struct std_timing *std; 2641 struct drm_display_mode *newmode; 2642 2643 std = &data->data.timings[i]; 2644 newmode = drm_mode_std(connector, edid, std); 2645 if (newmode) { 2646 drm_mode_probed_add(connector, newmode); 2647 closure->modes++; 2648 } 2649 } 2650 } 2651 } 2652 2653 /** 2654 * add_standard_modes - get std. modes from EDID and add them 2655 * @connector: connector to add mode(s) to 2656 * @edid: EDID block to scan 2657 * 2658 * Standard modes can be calculated using the appropriate standard (DMT, 2659 * GTF or CVT. Grab them from @edid and add them to the list. 2660 */ 2661 static int 2662 add_standard_modes(struct drm_connector *connector, struct edid *edid) 2663 { 2664 int i, modes = 0; 2665 struct detailed_mode_closure closure = { 2666 .connector = connector, 2667 .edid = edid, 2668 }; 2669 2670 for (i = 0; i < EDID_STD_TIMINGS; i++) { 2671 struct drm_display_mode *newmode; 2672 2673 newmode = drm_mode_std(connector, edid, 2674 &edid->standard_timings[i]); 2675 if (newmode) { 2676 drm_mode_probed_add(connector, newmode); 2677 modes++; 2678 } 2679 } 2680 2681 if (version_greater(edid, 1, 0)) 2682 drm_for_each_detailed_block((u8 *)edid, do_standard_modes, 2683 &closure); 2684 2685 /* XXX should also look for standard codes in VTB blocks */ 2686 2687 return modes + closure.modes; 2688 } 2689 2690 static int drm_cvt_modes(struct drm_connector *connector, 2691 struct detailed_timing *timing) 2692 { 2693 int i, j, modes = 0; 2694 struct drm_display_mode *newmode; 2695 struct drm_device *dev = connector->dev; 2696 struct cvt_timing *cvt; 2697 const int rates[] = { 60, 85, 75, 60, 50 }; 2698 const u8 empty[3] = { 0, 0, 0 }; 2699 2700 for (i = 0; i < 4; i++) { 2701 int uninitialized_var(width), height; 2702 cvt = &(timing->data.other_data.data.cvt[i]); 2703 2704 if (!memcmp(cvt->code, empty, 3)) 2705 continue; 2706 2707 height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2; 2708 switch (cvt->code[1] & 0x0c) { 2709 case 0x00: 2710 width = height * 4 / 3; 2711 break; 2712 case 0x04: 2713 width = height * 16 / 9; 2714 break; 2715 case 0x08: 2716 width = height * 16 / 10; 2717 break; 2718 case 0x0c: 2719 width = height * 15 / 9; 2720 break; 2721 } 2722 2723 for (j = 1; j < 5; j++) { 2724 if (cvt->code[2] & (1 << j)) { 2725 newmode = drm_cvt_mode(dev, width, height, 2726 rates[j], j == 0, 2727 false, false); 2728 if (newmode) { 2729 drm_mode_probed_add(connector, newmode); 2730 modes++; 2731 } 2732 } 2733 } 2734 } 2735 2736 return modes; 2737 } 2738 2739 static void 2740 do_cvt_mode(struct detailed_timing *timing, void *c) 2741 { 2742 struct detailed_mode_closure *closure = c; 2743 struct detailed_non_pixel *data = &timing->data.other_data; 2744 2745 if (data->type == EDID_DETAIL_CVT_3BYTE) 2746 closure->modes += drm_cvt_modes(closure->connector, timing); 2747 } 2748 2749 static int 2750 add_cvt_modes(struct drm_connector *connector, struct edid *edid) 2751 { 2752 struct detailed_mode_closure closure = { 2753 .connector = connector, 2754 .edid = edid, 2755 }; 2756 2757 if (version_greater(edid, 1, 2)) 2758 drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure); 2759 2760 /* XXX should also look for CVT codes in VTB blocks */ 2761 2762 return closure.modes; 2763 } 2764 2765 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode); 2766 2767 static void 2768 do_detailed_mode(struct detailed_timing *timing, void *c) 2769 { 2770 struct detailed_mode_closure *closure = c; 2771 struct drm_display_mode *newmode; 2772 2773 if (timing->pixel_clock) { 2774 newmode = drm_mode_detailed(closure->connector->dev, 2775 closure->edid, timing, 2776 closure->quirks); 2777 if (!newmode) 2778 return; 2779 2780 if (closure->preferred) 2781 newmode->type |= DRM_MODE_TYPE_PREFERRED; 2782 2783 /* 2784 * Detailed modes are limited to 10kHz pixel clock resolution, 2785 * so fix up anything that looks like CEA/HDMI mode, but the clock 2786 * is just slightly off. 2787 */ 2788 fixup_detailed_cea_mode_clock(newmode); 2789 2790 drm_mode_probed_add(closure->connector, newmode); 2791 closure->modes++; 2792 closure->preferred = false; 2793 } 2794 } 2795 2796 /* 2797 * add_detailed_modes - Add modes from detailed timings 2798 * @connector: attached connector 2799 * @edid: EDID block to scan 2800 * @quirks: quirks to apply 2801 */ 2802 static int 2803 add_detailed_modes(struct drm_connector *connector, struct edid *edid, 2804 u32 quirks) 2805 { 2806 struct detailed_mode_closure closure = { 2807 .connector = connector, 2808 .edid = edid, 2809 .preferred = true, 2810 .quirks = quirks, 2811 }; 2812 2813 if (closure.preferred && !version_greater(edid, 1, 3)) 2814 closure.preferred = 2815 (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING); 2816 2817 drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure); 2818 2819 return closure.modes; 2820 } 2821 2822 #define AUDIO_BLOCK 0x01 2823 #define VIDEO_BLOCK 0x02 2824 #define VENDOR_BLOCK 0x03 2825 #define SPEAKER_BLOCK 0x04 2826 #define USE_EXTENDED_TAG 0x07 2827 #define EXT_VIDEO_CAPABILITY_BLOCK 0x00 2828 #define EXT_VIDEO_DATA_BLOCK_420 0x0E 2829 #define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F 2830 #define EDID_BASIC_AUDIO (1 << 6) 2831 #define EDID_CEA_YCRCB444 (1 << 5) 2832 #define EDID_CEA_YCRCB422 (1 << 4) 2833 #define EDID_CEA_VCDB_QS (1 << 6) 2834 2835 /* 2836 * Search EDID for CEA extension block. 2837 */ 2838 static u8 *drm_find_edid_extension(const struct edid *edid, int ext_id) 2839 { 2840 u8 *edid_ext = NULL; 2841 int i; 2842 2843 /* No EDID or EDID extensions */ 2844 if (edid == NULL || edid->extensions == 0) 2845 return NULL; 2846 2847 /* Find CEA extension */ 2848 for (i = 0; i < edid->extensions; i++) { 2849 edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1); 2850 if (edid_ext[0] == ext_id) 2851 break; 2852 } 2853 2854 if (i == edid->extensions) 2855 return NULL; 2856 2857 return edid_ext; 2858 } 2859 2860 static u8 *drm_find_cea_extension(const struct edid *edid) 2861 { 2862 return drm_find_edid_extension(edid, CEA_EXT); 2863 } 2864 2865 static u8 *drm_find_displayid_extension(const struct edid *edid) 2866 { 2867 return drm_find_edid_extension(edid, DISPLAYID_EXT); 2868 } 2869 2870 /* 2871 * Calculate the alternate clock for the CEA mode 2872 * (60Hz vs. 59.94Hz etc.) 2873 */ 2874 static unsigned int 2875 cea_mode_alternate_clock(const struct drm_display_mode *cea_mode) 2876 { 2877 unsigned int clock = cea_mode->clock; 2878 2879 if (cea_mode->vrefresh % 6 != 0) 2880 return clock; 2881 2882 /* 2883 * edid_cea_modes contains the 59.94Hz 2884 * variant for 240 and 480 line modes, 2885 * and the 60Hz variant otherwise. 2886 */ 2887 if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480) 2888 clock = DIV_ROUND_CLOSEST(clock * 1001, 1000); 2889 else 2890 clock = DIV_ROUND_CLOSEST(clock * 1000, 1001); 2891 2892 return clock; 2893 } 2894 2895 static bool 2896 cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode) 2897 { 2898 /* 2899 * For certain VICs the spec allows the vertical 2900 * front porch to vary by one or two lines. 2901 * 2902 * cea_modes[] stores the variant with the shortest 2903 * vertical front porch. We can adjust the mode to 2904 * get the other variants by simply increasing the 2905 * vertical front porch length. 2906 */ 2907 BUILD_BUG_ON(edid_cea_modes[8].vtotal != 262 || 2908 edid_cea_modes[9].vtotal != 262 || 2909 edid_cea_modes[12].vtotal != 262 || 2910 edid_cea_modes[13].vtotal != 262 || 2911 edid_cea_modes[23].vtotal != 312 || 2912 edid_cea_modes[24].vtotal != 312 || 2913 edid_cea_modes[27].vtotal != 312 || 2914 edid_cea_modes[28].vtotal != 312); 2915 2916 if (((vic == 8 || vic == 9 || 2917 vic == 12 || vic == 13) && mode->vtotal < 263) || 2918 ((vic == 23 || vic == 24 || 2919 vic == 27 || vic == 28) && mode->vtotal < 314)) { 2920 mode->vsync_start++; 2921 mode->vsync_end++; 2922 mode->vtotal++; 2923 2924 return true; 2925 } 2926 2927 return false; 2928 } 2929 2930 static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match, 2931 unsigned int clock_tolerance) 2932 { 2933 u8 vic; 2934 2935 if (!to_match->clock) 2936 return 0; 2937 2938 for (vic = 1; vic < ARRAY_SIZE(edid_cea_modes); vic++) { 2939 struct drm_display_mode cea_mode = edid_cea_modes[vic]; 2940 unsigned int clock1, clock2; 2941 2942 /* Check both 60Hz and 59.94Hz */ 2943 clock1 = cea_mode.clock; 2944 clock2 = cea_mode_alternate_clock(&cea_mode); 2945 2946 if (abs(to_match->clock - clock1) > clock_tolerance && 2947 abs(to_match->clock - clock2) > clock_tolerance) 2948 continue; 2949 2950 do { 2951 if (drm_mode_equal_no_clocks_no_stereo(to_match, &cea_mode)) 2952 return vic; 2953 } while (cea_mode_alternate_timings(vic, &cea_mode)); 2954 } 2955 2956 return 0; 2957 } 2958 2959 /** 2960 * drm_match_cea_mode - look for a CEA mode matching given mode 2961 * @to_match: display mode 2962 * 2963 * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861 2964 * mode. 2965 */ 2966 u8 drm_match_cea_mode(const struct drm_display_mode *to_match) 2967 { 2968 u8 vic; 2969 2970 if (!to_match->clock) 2971 return 0; 2972 2973 for (vic = 1; vic < ARRAY_SIZE(edid_cea_modes); vic++) { 2974 struct drm_display_mode cea_mode = edid_cea_modes[vic]; 2975 unsigned int clock1, clock2; 2976 2977 /* Check both 60Hz and 59.94Hz */ 2978 clock1 = cea_mode.clock; 2979 clock2 = cea_mode_alternate_clock(&cea_mode); 2980 2981 if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) && 2982 KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2)) 2983 continue; 2984 2985 do { 2986 if (drm_mode_equal_no_clocks_no_stereo(to_match, &cea_mode)) 2987 return vic; 2988 } while (cea_mode_alternate_timings(vic, &cea_mode)); 2989 } 2990 2991 return 0; 2992 } 2993 EXPORT_SYMBOL(drm_match_cea_mode); 2994 2995 static bool drm_valid_cea_vic(u8 vic) 2996 { 2997 return vic > 0 && vic < ARRAY_SIZE(edid_cea_modes); 2998 } 2999 3000 /** 3001 * drm_get_cea_aspect_ratio - get the picture aspect ratio corresponding to 3002 * the input VIC from the CEA mode list 3003 * @video_code: ID given to each of the CEA modes 3004 * 3005 * Returns picture aspect ratio 3006 */ 3007 enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code) 3008 { 3009 return edid_cea_modes[video_code].picture_aspect_ratio; 3010 } 3011 EXPORT_SYMBOL(drm_get_cea_aspect_ratio); 3012 3013 /* 3014 * Calculate the alternate clock for HDMI modes (those from the HDMI vendor 3015 * specific block). 3016 * 3017 * It's almost like cea_mode_alternate_clock(), we just need to add an 3018 * exception for the VIC 4 mode (4096x2160@24Hz): no alternate clock for this 3019 * one. 3020 */ 3021 static unsigned int 3022 hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode) 3023 { 3024 if (hdmi_mode->vdisplay == 4096 && hdmi_mode->hdisplay == 2160) 3025 return hdmi_mode->clock; 3026 3027 return cea_mode_alternate_clock(hdmi_mode); 3028 } 3029 3030 static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match, 3031 unsigned int clock_tolerance) 3032 { 3033 u8 vic; 3034 3035 if (!to_match->clock) 3036 return 0; 3037 3038 for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) { 3039 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic]; 3040 unsigned int clock1, clock2; 3041 3042 /* Make sure to also match alternate clocks */ 3043 clock1 = hdmi_mode->clock; 3044 clock2 = hdmi_mode_alternate_clock(hdmi_mode); 3045 3046 if (abs(to_match->clock - clock1) > clock_tolerance && 3047 abs(to_match->clock - clock2) > clock_tolerance) 3048 continue; 3049 3050 if (drm_mode_equal_no_clocks(to_match, hdmi_mode)) 3051 return vic; 3052 } 3053 3054 return 0; 3055 } 3056 3057 /* 3058 * drm_match_hdmi_mode - look for a HDMI mode matching given mode 3059 * @to_match: display mode 3060 * 3061 * An HDMI mode is one defined in the HDMI vendor specific block. 3062 * 3063 * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one. 3064 */ 3065 static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match) 3066 { 3067 u8 vic; 3068 3069 if (!to_match->clock) 3070 return 0; 3071 3072 for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) { 3073 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic]; 3074 unsigned int clock1, clock2; 3075 3076 /* Make sure to also match alternate clocks */ 3077 clock1 = hdmi_mode->clock; 3078 clock2 = hdmi_mode_alternate_clock(hdmi_mode); 3079 3080 if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) || 3081 KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) && 3082 drm_mode_equal_no_clocks_no_stereo(to_match, hdmi_mode)) 3083 return vic; 3084 } 3085 return 0; 3086 } 3087 3088 static bool drm_valid_hdmi_vic(u8 vic) 3089 { 3090 return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes); 3091 } 3092 3093 static int 3094 add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid) 3095 { 3096 struct drm_device *dev = connector->dev; 3097 struct drm_display_mode *mode, *tmp; 3098 LIST_HEAD(list); 3099 int modes = 0; 3100 3101 /* Don't add CEA modes if the CEA extension block is missing */ 3102 if (!drm_find_cea_extension(edid)) 3103 return 0; 3104 3105 /* 3106 * Go through all probed modes and create a new mode 3107 * with the alternate clock for certain CEA modes. 3108 */ 3109 list_for_each_entry(mode, &connector->probed_modes, head) { 3110 const struct drm_display_mode *cea_mode = NULL; 3111 struct drm_display_mode *newmode; 3112 u8 vic = drm_match_cea_mode(mode); 3113 unsigned int clock1, clock2; 3114 3115 if (drm_valid_cea_vic(vic)) { 3116 cea_mode = &edid_cea_modes[vic]; 3117 clock2 = cea_mode_alternate_clock(cea_mode); 3118 } else { 3119 vic = drm_match_hdmi_mode(mode); 3120 if (drm_valid_hdmi_vic(vic)) { 3121 cea_mode = &edid_4k_modes[vic]; 3122 clock2 = hdmi_mode_alternate_clock(cea_mode); 3123 } 3124 } 3125 3126 if (!cea_mode) 3127 continue; 3128 3129 clock1 = cea_mode->clock; 3130 3131 if (clock1 == clock2) 3132 continue; 3133 3134 if (mode->clock != clock1 && mode->clock != clock2) 3135 continue; 3136 3137 newmode = drm_mode_duplicate(dev, cea_mode); 3138 if (!newmode) 3139 continue; 3140 3141 /* Carry over the stereo flags */ 3142 newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK; 3143 3144 /* 3145 * The current mode could be either variant. Make 3146 * sure to pick the "other" clock for the new mode. 3147 */ 3148 if (mode->clock != clock1) 3149 newmode->clock = clock1; 3150 else 3151 newmode->clock = clock2; 3152 3153 list_add_tail(&newmode->head, &list); 3154 } 3155 3156 list_for_each_entry_safe(mode, tmp, &list, head) { 3157 list_del(&mode->head); 3158 drm_mode_probed_add(connector, mode); 3159 modes++; 3160 } 3161 3162 return modes; 3163 } 3164 3165 static u8 svd_to_vic(u8 svd) 3166 { 3167 /* 0-6 bit vic, 7th bit native mode indicator */ 3168 if ((svd >= 1 && svd <= 64) || (svd >= 129 && svd <= 192)) 3169 return svd & 127; 3170 3171 return svd; 3172 } 3173 3174 static struct drm_display_mode * 3175 drm_display_mode_from_vic_index(struct drm_connector *connector, 3176 const u8 *video_db, u8 video_len, 3177 u8 video_index) 3178 { 3179 struct drm_device *dev = connector->dev; 3180 struct drm_display_mode *newmode; 3181 u8 vic; 3182 3183 if (video_db == NULL || video_index >= video_len) 3184 return NULL; 3185 3186 /* CEA modes are numbered 1..127 */ 3187 vic = svd_to_vic(video_db[video_index]); 3188 if (!drm_valid_cea_vic(vic)) 3189 return NULL; 3190 3191 newmode = drm_mode_duplicate(dev, &edid_cea_modes[vic]); 3192 if (!newmode) 3193 return NULL; 3194 3195 newmode->vrefresh = 0; 3196 3197 return newmode; 3198 } 3199 3200 /* 3201 * do_y420vdb_modes - Parse YCBCR 420 only modes 3202 * @connector: connector corresponding to the HDMI sink 3203 * @svds: start of the data block of CEA YCBCR 420 VDB 3204 * @len: length of the CEA YCBCR 420 VDB 3205 * 3206 * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB) 3207 * which contains modes which can be supported in YCBCR 420 3208 * output format only. 3209 */ 3210 static int do_y420vdb_modes(struct drm_connector *connector, 3211 const u8 *svds, u8 svds_len) 3212 { 3213 int modes = 0, i; 3214 struct drm_device *dev = connector->dev; 3215 struct drm_display_info *info = &connector->display_info; 3216 struct drm_hdmi_info *hdmi = &info->hdmi; 3217 3218 for (i = 0; i < svds_len; i++) { 3219 u8 vic = svd_to_vic(svds[i]); 3220 struct drm_display_mode *newmode; 3221 3222 if (!drm_valid_cea_vic(vic)) 3223 continue; 3224 3225 newmode = drm_mode_duplicate(dev, &edid_cea_modes[vic]); 3226 if (!newmode) 3227 break; 3228 bitmap_set(hdmi->y420_vdb_modes, vic, 1); 3229 drm_mode_probed_add(connector, newmode); 3230 modes++; 3231 } 3232 3233 if (modes > 0) 3234 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420; 3235 return modes; 3236 } 3237 3238 /* 3239 * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap 3240 * @connector: connector corresponding to the HDMI sink 3241 * @vic: CEA vic for the video mode to be added in the map 3242 * 3243 * Makes an entry for a videomode in the YCBCR 420 bitmap 3244 */ 3245 static void 3246 drm_add_cmdb_modes(struct drm_connector *connector, u8 svd) 3247 { 3248 u8 vic = svd_to_vic(svd); 3249 struct drm_hdmi_info *hdmi = &connector->display_info.hdmi; 3250 3251 if (!drm_valid_cea_vic(vic)) 3252 return; 3253 3254 bitmap_set(hdmi->y420_cmdb_modes, vic, 1); 3255 } 3256 3257 static int 3258 do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len) 3259 { 3260 int i, modes = 0; 3261 struct drm_hdmi_info *hdmi = &connector->display_info.hdmi; 3262 3263 for (i = 0; i < len; i++) { 3264 struct drm_display_mode *mode; 3265 mode = drm_display_mode_from_vic_index(connector, db, len, i); 3266 if (mode) { 3267 /* 3268 * YCBCR420 capability block contains a bitmap which 3269 * gives the index of CEA modes from CEA VDB, which 3270 * can support YCBCR 420 sampling output also (apart 3271 * from RGB/YCBCR444 etc). 3272 * For example, if the bit 0 in bitmap is set, 3273 * first mode in VDB can support YCBCR420 output too. 3274 * Add YCBCR420 modes only if sink is HDMI 2.0 capable. 3275 */ 3276 if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i)) 3277 drm_add_cmdb_modes(connector, db[i]); 3278 3279 drm_mode_probed_add(connector, mode); 3280 modes++; 3281 } 3282 } 3283 3284 return modes; 3285 } 3286 3287 struct stereo_mandatory_mode { 3288 int width, height, vrefresh; 3289 unsigned int flags; 3290 }; 3291 3292 static const struct stereo_mandatory_mode stereo_mandatory_modes[] = { 3293 { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM }, 3294 { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING }, 3295 { 1920, 1080, 50, 3296 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF }, 3297 { 1920, 1080, 60, 3298 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF }, 3299 { 1280, 720, 50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM }, 3300 { 1280, 720, 50, DRM_MODE_FLAG_3D_FRAME_PACKING }, 3301 { 1280, 720, 60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM }, 3302 { 1280, 720, 60, DRM_MODE_FLAG_3D_FRAME_PACKING } 3303 }; 3304 3305 static bool 3306 stereo_match_mandatory(const struct drm_display_mode *mode, 3307 const struct stereo_mandatory_mode *stereo_mode) 3308 { 3309 unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE; 3310 3311 return mode->hdisplay == stereo_mode->width && 3312 mode->vdisplay == stereo_mode->height && 3313 interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) && 3314 drm_mode_vrefresh(mode) == stereo_mode->vrefresh; 3315 } 3316 3317 static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector) 3318 { 3319 struct drm_device *dev = connector->dev; 3320 const struct drm_display_mode *mode; 3321 struct list_head stereo_modes; 3322 int modes = 0, i; 3323 3324 INIT_LIST_HEAD(&stereo_modes); 3325 3326 list_for_each_entry(mode, &connector->probed_modes, head) { 3327 for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) { 3328 const struct stereo_mandatory_mode *mandatory; 3329 struct drm_display_mode *new_mode; 3330 3331 if (!stereo_match_mandatory(mode, 3332 &stereo_mandatory_modes[i])) 3333 continue; 3334 3335 mandatory = &stereo_mandatory_modes[i]; 3336 new_mode = drm_mode_duplicate(dev, mode); 3337 if (!new_mode) 3338 continue; 3339 3340 new_mode->flags |= mandatory->flags; 3341 list_add_tail(&new_mode->head, &stereo_modes); 3342 modes++; 3343 } 3344 } 3345 3346 list_splice_tail(&stereo_modes, &connector->probed_modes); 3347 3348 return modes; 3349 } 3350 3351 static int add_hdmi_mode(struct drm_connector *connector, u8 vic) 3352 { 3353 struct drm_device *dev = connector->dev; 3354 struct drm_display_mode *newmode; 3355 3356 if (!drm_valid_hdmi_vic(vic)) { 3357 DRM_ERROR("Unknown HDMI VIC: %d\n", vic); 3358 return 0; 3359 } 3360 3361 newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]); 3362 if (!newmode) 3363 return 0; 3364 3365 drm_mode_probed_add(connector, newmode); 3366 3367 return 1; 3368 } 3369 3370 static int add_3d_struct_modes(struct drm_connector *connector, u16 structure, 3371 const u8 *video_db, u8 video_len, u8 video_index) 3372 { 3373 struct drm_display_mode *newmode; 3374 int modes = 0; 3375 3376 if (structure & (1 << 0)) { 3377 newmode = drm_display_mode_from_vic_index(connector, video_db, 3378 video_len, 3379 video_index); 3380 if (newmode) { 3381 newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING; 3382 drm_mode_probed_add(connector, newmode); 3383 modes++; 3384 } 3385 } 3386 if (structure & (1 << 6)) { 3387 newmode = drm_display_mode_from_vic_index(connector, video_db, 3388 video_len, 3389 video_index); 3390 if (newmode) { 3391 newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM; 3392 drm_mode_probed_add(connector, newmode); 3393 modes++; 3394 } 3395 } 3396 if (structure & (1 << 8)) { 3397 newmode = drm_display_mode_from_vic_index(connector, video_db, 3398 video_len, 3399 video_index); 3400 if (newmode) { 3401 newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF; 3402 drm_mode_probed_add(connector, newmode); 3403 modes++; 3404 } 3405 } 3406 3407 return modes; 3408 } 3409 3410 /* 3411 * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block 3412 * @connector: connector corresponding to the HDMI sink 3413 * @db: start of the CEA vendor specific block 3414 * @len: length of the CEA block payload, ie. one can access up to db[len] 3415 * 3416 * Parses the HDMI VSDB looking for modes to add to @connector. This function 3417 * also adds the stereo 3d modes when applicable. 3418 */ 3419 static int 3420 do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len, 3421 const u8 *video_db, u8 video_len) 3422 { 3423 struct drm_display_info *info = &connector->display_info; 3424 int modes = 0, offset = 0, i, multi_present = 0, multi_len; 3425 u8 vic_len, hdmi_3d_len = 0; 3426 u16 mask; 3427 u16 structure_all; 3428 3429 if (len < 8) 3430 goto out; 3431 3432 /* no HDMI_Video_Present */ 3433 if (!(db[8] & (1 << 5))) 3434 goto out; 3435 3436 /* Latency_Fields_Present */ 3437 if (db[8] & (1 << 7)) 3438 offset += 2; 3439 3440 /* I_Latency_Fields_Present */ 3441 if (db[8] & (1 << 6)) 3442 offset += 2; 3443 3444 /* the declared length is not long enough for the 2 first bytes 3445 * of additional video format capabilities */ 3446 if (len < (8 + offset + 2)) 3447 goto out; 3448 3449 /* 3D_Present */ 3450 offset++; 3451 if (db[8 + offset] & (1 << 7)) { 3452 modes += add_hdmi_mandatory_stereo_modes(connector); 3453 3454 /* 3D_Multi_present */ 3455 multi_present = (db[8 + offset] & 0x60) >> 5; 3456 } 3457 3458 offset++; 3459 vic_len = db[8 + offset] >> 5; 3460 hdmi_3d_len = db[8 + offset] & 0x1f; 3461 3462 for (i = 0; i < vic_len && len >= (9 + offset + i); i++) { 3463 u8 vic; 3464 3465 vic = db[9 + offset + i]; 3466 modes += add_hdmi_mode(connector, vic); 3467 } 3468 offset += 1 + vic_len; 3469 3470 if (multi_present == 1) 3471 multi_len = 2; 3472 else if (multi_present == 2) 3473 multi_len = 4; 3474 else 3475 multi_len = 0; 3476 3477 if (len < (8 + offset + hdmi_3d_len - 1)) 3478 goto out; 3479 3480 if (hdmi_3d_len < multi_len) 3481 goto out; 3482 3483 if (multi_present == 1 || multi_present == 2) { 3484 /* 3D_Structure_ALL */ 3485 structure_all = (db[8 + offset] << 8) | db[9 + offset]; 3486 3487 /* check if 3D_MASK is present */ 3488 if (multi_present == 2) 3489 mask = (db[10 + offset] << 8) | db[11 + offset]; 3490 else 3491 mask = 0xffff; 3492 3493 for (i = 0; i < 16; i++) { 3494 if (mask & (1 << i)) 3495 modes += add_3d_struct_modes(connector, 3496 structure_all, 3497 video_db, 3498 video_len, i); 3499 } 3500 } 3501 3502 offset += multi_len; 3503 3504 for (i = 0; i < (hdmi_3d_len - multi_len); i++) { 3505 int vic_index; 3506 struct drm_display_mode *newmode = NULL; 3507 unsigned int newflag = 0; 3508 bool detail_present; 3509 3510 detail_present = ((db[8 + offset + i] & 0x0f) > 7); 3511 3512 if (detail_present && (i + 1 == hdmi_3d_len - multi_len)) 3513 break; 3514 3515 /* 2D_VIC_order_X */ 3516 vic_index = db[8 + offset + i] >> 4; 3517 3518 /* 3D_Structure_X */ 3519 switch (db[8 + offset + i] & 0x0f) { 3520 case 0: 3521 newflag = DRM_MODE_FLAG_3D_FRAME_PACKING; 3522 break; 3523 case 6: 3524 newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM; 3525 break; 3526 case 8: 3527 /* 3D_Detail_X */ 3528 if ((db[9 + offset + i] >> 4) == 1) 3529 newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF; 3530 break; 3531 } 3532 3533 if (newflag != 0) { 3534 newmode = drm_display_mode_from_vic_index(connector, 3535 video_db, 3536 video_len, 3537 vic_index); 3538 3539 if (newmode) { 3540 newmode->flags |= newflag; 3541 drm_mode_probed_add(connector, newmode); 3542 modes++; 3543 } 3544 } 3545 3546 if (detail_present) 3547 i++; 3548 } 3549 3550 out: 3551 if (modes > 0) 3552 info->has_hdmi_infoframe = true; 3553 return modes; 3554 } 3555 3556 static int 3557 cea_db_payload_len(const u8 *db) 3558 { 3559 return db[0] & 0x1f; 3560 } 3561 3562 static int 3563 cea_db_extended_tag(const u8 *db) 3564 { 3565 return db[1]; 3566 } 3567 3568 static int 3569 cea_db_tag(const u8 *db) 3570 { 3571 return db[0] >> 5; 3572 } 3573 3574 static int 3575 cea_revision(const u8 *cea) 3576 { 3577 return cea[1]; 3578 } 3579 3580 static int 3581 cea_db_offsets(const u8 *cea, int *start, int *end) 3582 { 3583 /* Data block offset in CEA extension block */ 3584 *start = 4; 3585 *end = cea[2]; 3586 if (*end == 0) 3587 *end = 127; 3588 if (*end < 4 || *end > 127) 3589 return -ERANGE; 3590 return 0; 3591 } 3592 3593 static bool cea_db_is_hdmi_vsdb(const u8 *db) 3594 { 3595 int hdmi_id; 3596 3597 if (cea_db_tag(db) != VENDOR_BLOCK) 3598 return false; 3599 3600 if (cea_db_payload_len(db) < 5) 3601 return false; 3602 3603 hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16); 3604 3605 return hdmi_id == HDMI_IEEE_OUI; 3606 } 3607 3608 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db) 3609 { 3610 unsigned int oui; 3611 3612 if (cea_db_tag(db) != VENDOR_BLOCK) 3613 return false; 3614 3615 if (cea_db_payload_len(db) < 7) 3616 return false; 3617 3618 oui = db[3] << 16 | db[2] << 8 | db[1]; 3619 3620 return oui == HDMI_FORUM_IEEE_OUI; 3621 } 3622 3623 static bool cea_db_is_y420cmdb(const u8 *db) 3624 { 3625 if (cea_db_tag(db) != USE_EXTENDED_TAG) 3626 return false; 3627 3628 if (!cea_db_payload_len(db)) 3629 return false; 3630 3631 if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB) 3632 return false; 3633 3634 return true; 3635 } 3636 3637 static bool cea_db_is_y420vdb(const u8 *db) 3638 { 3639 if (cea_db_tag(db) != USE_EXTENDED_TAG) 3640 return false; 3641 3642 if (!cea_db_payload_len(db)) 3643 return false; 3644 3645 if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420) 3646 return false; 3647 3648 return true; 3649 } 3650 3651 #define for_each_cea_db(cea, i, start, end) \ 3652 for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1) 3653 3654 static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector, 3655 const u8 *db) 3656 { 3657 struct drm_display_info *info = &connector->display_info; 3658 struct drm_hdmi_info *hdmi = &info->hdmi; 3659 u8 map_len = cea_db_payload_len(db) - 1; 3660 u8 count; 3661 u64 map = 0; 3662 3663 if (map_len == 0) { 3664 /* All CEA modes support ycbcr420 sampling also.*/ 3665 hdmi->y420_cmdb_map = U64_MAX; 3666 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420; 3667 return; 3668 } 3669 3670 /* 3671 * This map indicates which of the existing CEA block modes 3672 * from VDB can support YCBCR420 output too. So if bit=0 is 3673 * set, first mode from VDB can support YCBCR420 output too. 3674 * We will parse and keep this map, before parsing VDB itself 3675 * to avoid going through the same block again and again. 3676 * 3677 * Spec is not clear about max possible size of this block. 3678 * Clamping max bitmap block size at 8 bytes. Every byte can 3679 * address 8 CEA modes, in this way this map can address 3680 * 8*8 = first 64 SVDs. 3681 */ 3682 if (WARN_ON_ONCE(map_len > 8)) 3683 map_len = 8; 3684 3685 for (count = 0; count < map_len; count++) 3686 map |= (u64)db[2 + count] << (8 * count); 3687 3688 if (map) 3689 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420; 3690 3691 hdmi->y420_cmdb_map = map; 3692 } 3693 3694 static int 3695 add_cea_modes(struct drm_connector *connector, struct edid *edid) 3696 { 3697 const u8 *cea = drm_find_cea_extension(edid); 3698 const u8 *db, *hdmi = NULL, *video = NULL; 3699 u8 dbl, hdmi_len, video_len = 0; 3700 int modes = 0; 3701 3702 if (cea && cea_revision(cea) >= 3) { 3703 int i, start, end; 3704 3705 if (cea_db_offsets(cea, &start, &end)) 3706 return 0; 3707 3708 for_each_cea_db(cea, i, start, end) { 3709 db = &cea[i]; 3710 dbl = cea_db_payload_len(db); 3711 3712 if (cea_db_tag(db) == VIDEO_BLOCK) { 3713 video = db + 1; 3714 video_len = dbl; 3715 modes += do_cea_modes(connector, video, dbl); 3716 } else if (cea_db_is_hdmi_vsdb(db)) { 3717 hdmi = db; 3718 hdmi_len = dbl; 3719 } else if (cea_db_is_y420vdb(db)) { 3720 const u8 *vdb420 = &db[2]; 3721 3722 /* Add 4:2:0(only) modes present in EDID */ 3723 modes += do_y420vdb_modes(connector, 3724 vdb420, 3725 dbl - 1); 3726 } 3727 } 3728 } 3729 3730 /* 3731 * We parse the HDMI VSDB after having added the cea modes as we will 3732 * be patching their flags when the sink supports stereo 3D. 3733 */ 3734 if (hdmi) 3735 modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video, 3736 video_len); 3737 3738 return modes; 3739 } 3740 3741 static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode) 3742 { 3743 const struct drm_display_mode *cea_mode; 3744 int clock1, clock2, clock; 3745 u8 vic; 3746 const char *type; 3747 3748 /* 3749 * allow 5kHz clock difference either way to account for 3750 * the 10kHz clock resolution limit of detailed timings. 3751 */ 3752 vic = drm_match_cea_mode_clock_tolerance(mode, 5); 3753 if (drm_valid_cea_vic(vic)) { 3754 type = "CEA"; 3755 cea_mode = &edid_cea_modes[vic]; 3756 clock1 = cea_mode->clock; 3757 clock2 = cea_mode_alternate_clock(cea_mode); 3758 } else { 3759 vic = drm_match_hdmi_mode_clock_tolerance(mode, 5); 3760 if (drm_valid_hdmi_vic(vic)) { 3761 type = "HDMI"; 3762 cea_mode = &edid_4k_modes[vic]; 3763 clock1 = cea_mode->clock; 3764 clock2 = hdmi_mode_alternate_clock(cea_mode); 3765 } else { 3766 return; 3767 } 3768 } 3769 3770 /* pick whichever is closest */ 3771 if (abs(mode->clock - clock1) < abs(mode->clock - clock2)) 3772 clock = clock1; 3773 else 3774 clock = clock2; 3775 3776 if (mode->clock == clock) 3777 return; 3778 3779 DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n", 3780 type, vic, mode->clock, clock); 3781 mode->clock = clock; 3782 } 3783 3784 static void 3785 drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db) 3786 { 3787 u8 len = cea_db_payload_len(db); 3788 3789 if (len >= 6 && (db[6] & (1 << 7))) 3790 connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI; 3791 if (len >= 8) { 3792 connector->latency_present[0] = db[8] >> 7; 3793 connector->latency_present[1] = (db[8] >> 6) & 1; 3794 } 3795 if (len >= 9) 3796 connector->video_latency[0] = db[9]; 3797 if (len >= 10) 3798 connector->audio_latency[0] = db[10]; 3799 if (len >= 11) 3800 connector->video_latency[1] = db[11]; 3801 if (len >= 12) 3802 connector->audio_latency[1] = db[12]; 3803 3804 DRM_DEBUG_KMS("HDMI: latency present %d %d, " 3805 "video latency %d %d, " 3806 "audio latency %d %d\n", 3807 connector->latency_present[0], 3808 connector->latency_present[1], 3809 connector->video_latency[0], 3810 connector->video_latency[1], 3811 connector->audio_latency[0], 3812 connector->audio_latency[1]); 3813 } 3814 3815 static void 3816 monitor_name(struct detailed_timing *t, void *data) 3817 { 3818 if (t->data.other_data.type == EDID_DETAIL_MONITOR_NAME) 3819 *(u8 **)data = t->data.other_data.data.str.str; 3820 } 3821 3822 static int get_monitor_name(struct edid *edid, char name[13]) 3823 { 3824 char *edid_name = NULL; 3825 int mnl; 3826 3827 if (!edid || !name) 3828 return 0; 3829 3830 drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name); 3831 for (mnl = 0; edid_name && mnl < 13; mnl++) { 3832 if (edid_name[mnl] == 0x0a) 3833 break; 3834 3835 name[mnl] = edid_name[mnl]; 3836 } 3837 3838 return mnl; 3839 } 3840 3841 /** 3842 * drm_edid_get_monitor_name - fetch the monitor name from the edid 3843 * @edid: monitor EDID information 3844 * @name: pointer to a character array to hold the name of the monitor 3845 * @bufsize: The size of the name buffer (should be at least 14 chars.) 3846 * 3847 */ 3848 void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize) 3849 { 3850 int name_length; 3851 char buf[13]; 3852 3853 if (bufsize <= 0) 3854 return; 3855 3856 name_length = min(get_monitor_name(edid, buf), bufsize - 1); 3857 memcpy(name, buf, name_length); 3858 name[name_length] = '\0'; 3859 } 3860 EXPORT_SYMBOL(drm_edid_get_monitor_name); 3861 3862 static void clear_eld(struct drm_connector *connector) 3863 { 3864 memset(connector->eld, 0, sizeof(connector->eld)); 3865 3866 connector->latency_present[0] = false; 3867 connector->latency_present[1] = false; 3868 connector->video_latency[0] = 0; 3869 connector->audio_latency[0] = 0; 3870 connector->video_latency[1] = 0; 3871 connector->audio_latency[1] = 0; 3872 } 3873 3874 /* 3875 * drm_edid_to_eld - build ELD from EDID 3876 * @connector: connector corresponding to the HDMI/DP sink 3877 * @edid: EDID to parse 3878 * 3879 * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The 3880 * HDCP and Port_ID ELD fields are left for the graphics driver to fill in. 3881 */ 3882 static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid) 3883 { 3884 uint8_t *eld = connector->eld; 3885 u8 *cea; 3886 u8 *db; 3887 int total_sad_count = 0; 3888 int mnl; 3889 int dbl; 3890 3891 clear_eld(connector); 3892 3893 if (!edid) 3894 return; 3895 3896 cea = drm_find_cea_extension(edid); 3897 if (!cea) { 3898 DRM_DEBUG_KMS("ELD: no CEA Extension found\n"); 3899 return; 3900 } 3901 3902 mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]); 3903 DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]); 3904 3905 eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT; 3906 eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl; 3907 3908 eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D; 3909 3910 eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0]; 3911 eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1]; 3912 eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0]; 3913 eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1]; 3914 3915 if (cea_revision(cea) >= 3) { 3916 int i, start, end; 3917 3918 if (cea_db_offsets(cea, &start, &end)) { 3919 start = 0; 3920 end = 0; 3921 } 3922 3923 for_each_cea_db(cea, i, start, end) { 3924 db = &cea[i]; 3925 dbl = cea_db_payload_len(db); 3926 3927 switch (cea_db_tag(db)) { 3928 int sad_count; 3929 3930 case AUDIO_BLOCK: 3931 /* Audio Data Block, contains SADs */ 3932 sad_count = min(dbl / 3, 15 - total_sad_count); 3933 if (sad_count >= 1) 3934 memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)], 3935 &db[1], sad_count * 3); 3936 total_sad_count += sad_count; 3937 break; 3938 case SPEAKER_BLOCK: 3939 /* Speaker Allocation Data Block */ 3940 if (dbl >= 1) 3941 eld[DRM_ELD_SPEAKER] = db[1]; 3942 break; 3943 case VENDOR_BLOCK: 3944 /* HDMI Vendor-Specific Data Block */ 3945 if (cea_db_is_hdmi_vsdb(db)) 3946 drm_parse_hdmi_vsdb_audio(connector, db); 3947 break; 3948 default: 3949 break; 3950 } 3951 } 3952 } 3953 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT; 3954 3955 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort || 3956 connector->connector_type == DRM_MODE_CONNECTOR_eDP) 3957 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP; 3958 else 3959 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI; 3960 3961 eld[DRM_ELD_BASELINE_ELD_LEN] = 3962 DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4); 3963 3964 DRM_DEBUG_KMS("ELD size %d, SAD count %d\n", 3965 drm_eld_size(eld), total_sad_count); 3966 } 3967 3968 /** 3969 * drm_edid_to_sad - extracts SADs from EDID 3970 * @edid: EDID to parse 3971 * @sads: pointer that will be set to the extracted SADs 3972 * 3973 * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it. 3974 * 3975 * Note: The returned pointer needs to be freed using kfree(). 3976 * 3977 * Return: The number of found SADs or negative number on error. 3978 */ 3979 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads) 3980 { 3981 int count = 0; 3982 int i, start, end, dbl; 3983 u8 *cea; 3984 3985 cea = drm_find_cea_extension(edid); 3986 if (!cea) { 3987 DRM_DEBUG_KMS("SAD: no CEA Extension found\n"); 3988 return -ENOENT; 3989 } 3990 3991 if (cea_revision(cea) < 3) { 3992 DRM_DEBUG_KMS("SAD: wrong CEA revision\n"); 3993 return -ENOTSUPP; 3994 } 3995 3996 if (cea_db_offsets(cea, &start, &end)) { 3997 DRM_DEBUG_KMS("SAD: invalid data block offsets\n"); 3998 return -EPROTO; 3999 } 4000 4001 for_each_cea_db(cea, i, start, end) { 4002 u8 *db = &cea[i]; 4003 4004 if (cea_db_tag(db) == AUDIO_BLOCK) { 4005 int j; 4006 dbl = cea_db_payload_len(db); 4007 4008 count = dbl / 3; /* SAD is 3B */ 4009 *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL); 4010 if (!*sads) 4011 return -ENOMEM; 4012 for (j = 0; j < count; j++) { 4013 u8 *sad = &db[1 + j * 3]; 4014 4015 (*sads)[j].format = (sad[0] & 0x78) >> 3; 4016 (*sads)[j].channels = sad[0] & 0x7; 4017 (*sads)[j].freq = sad[1] & 0x7F; 4018 (*sads)[j].byte2 = sad[2]; 4019 } 4020 break; 4021 } 4022 } 4023 4024 return count; 4025 } 4026 EXPORT_SYMBOL(drm_edid_to_sad); 4027 4028 /** 4029 * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID 4030 * @edid: EDID to parse 4031 * @sadb: pointer to the speaker block 4032 * 4033 * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it. 4034 * 4035 * Note: The returned pointer needs to be freed using kfree(). 4036 * 4037 * Return: The number of found Speaker Allocation Blocks or negative number on 4038 * error. 4039 */ 4040 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb) 4041 { 4042 int count = 0; 4043 int i, start, end, dbl; 4044 const u8 *cea; 4045 4046 cea = drm_find_cea_extension(edid); 4047 if (!cea) { 4048 DRM_DEBUG_KMS("SAD: no CEA Extension found\n"); 4049 return -ENOENT; 4050 } 4051 4052 if (cea_revision(cea) < 3) { 4053 DRM_DEBUG_KMS("SAD: wrong CEA revision\n"); 4054 return -ENOTSUPP; 4055 } 4056 4057 if (cea_db_offsets(cea, &start, &end)) { 4058 DRM_DEBUG_KMS("SAD: invalid data block offsets\n"); 4059 return -EPROTO; 4060 } 4061 4062 for_each_cea_db(cea, i, start, end) { 4063 const u8 *db = &cea[i]; 4064 4065 if (cea_db_tag(db) == SPEAKER_BLOCK) { 4066 dbl = cea_db_payload_len(db); 4067 4068 /* Speaker Allocation Data Block */ 4069 if (dbl == 3) { 4070 *sadb = kmemdup(&db[1], dbl, GFP_KERNEL); 4071 if (!*sadb) 4072 return -ENOMEM; 4073 count = dbl; 4074 break; 4075 } 4076 } 4077 } 4078 4079 return count; 4080 } 4081 EXPORT_SYMBOL(drm_edid_to_speaker_allocation); 4082 4083 /** 4084 * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay 4085 * @connector: connector associated with the HDMI/DP sink 4086 * @mode: the display mode 4087 * 4088 * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if 4089 * the sink doesn't support audio or video. 4090 */ 4091 int drm_av_sync_delay(struct drm_connector *connector, 4092 const struct drm_display_mode *mode) 4093 { 4094 int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE); 4095 int a, v; 4096 4097 if (!connector->latency_present[0]) 4098 return 0; 4099 if (!connector->latency_present[1]) 4100 i = 0; 4101 4102 a = connector->audio_latency[i]; 4103 v = connector->video_latency[i]; 4104 4105 /* 4106 * HDMI/DP sink doesn't support audio or video? 4107 */ 4108 if (a == 255 || v == 255) 4109 return 0; 4110 4111 /* 4112 * Convert raw EDID values to millisecond. 4113 * Treat unknown latency as 0ms. 4114 */ 4115 if (a) 4116 a = min(2 * (a - 1), 500); 4117 if (v) 4118 v = min(2 * (v - 1), 500); 4119 4120 return max(v - a, 0); 4121 } 4122 EXPORT_SYMBOL(drm_av_sync_delay); 4123 4124 /** 4125 * drm_detect_hdmi_monitor - detect whether monitor is HDMI 4126 * @edid: monitor EDID information 4127 * 4128 * Parse the CEA extension according to CEA-861-B. 4129 * 4130 * Return: True if the monitor is HDMI, false if not or unknown. 4131 */ 4132 bool drm_detect_hdmi_monitor(struct edid *edid) 4133 { 4134 u8 *edid_ext; 4135 int i; 4136 int start_offset, end_offset; 4137 4138 edid_ext = drm_find_cea_extension(edid); 4139 if (!edid_ext) 4140 return false; 4141 4142 if (cea_db_offsets(edid_ext, &start_offset, &end_offset)) 4143 return false; 4144 4145 /* 4146 * Because HDMI identifier is in Vendor Specific Block, 4147 * search it from all data blocks of CEA extension. 4148 */ 4149 for_each_cea_db(edid_ext, i, start_offset, end_offset) { 4150 if (cea_db_is_hdmi_vsdb(&edid_ext[i])) 4151 return true; 4152 } 4153 4154 return false; 4155 } 4156 EXPORT_SYMBOL(drm_detect_hdmi_monitor); 4157 4158 /** 4159 * drm_detect_monitor_audio - check monitor audio capability 4160 * @edid: EDID block to scan 4161 * 4162 * Monitor should have CEA extension block. 4163 * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic 4164 * audio' only. If there is any audio extension block and supported 4165 * audio format, assume at least 'basic audio' support, even if 'basic 4166 * audio' is not defined in EDID. 4167 * 4168 * Return: True if the monitor supports audio, false otherwise. 4169 */ 4170 bool drm_detect_monitor_audio(struct edid *edid) 4171 { 4172 u8 *edid_ext; 4173 int i, j; 4174 bool has_audio = false; 4175 int start_offset, end_offset; 4176 4177 edid_ext = drm_find_cea_extension(edid); 4178 if (!edid_ext) 4179 goto end; 4180 4181 has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0); 4182 4183 if (has_audio) { 4184 DRM_DEBUG_KMS("Monitor has basic audio support\n"); 4185 goto end; 4186 } 4187 4188 if (cea_db_offsets(edid_ext, &start_offset, &end_offset)) 4189 goto end; 4190 4191 for_each_cea_db(edid_ext, i, start_offset, end_offset) { 4192 if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) { 4193 has_audio = true; 4194 for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3) 4195 DRM_DEBUG_KMS("CEA audio format %d\n", 4196 (edid_ext[i + j] >> 3) & 0xf); 4197 goto end; 4198 } 4199 } 4200 end: 4201 return has_audio; 4202 } 4203 EXPORT_SYMBOL(drm_detect_monitor_audio); 4204 4205 /** 4206 * drm_rgb_quant_range_selectable - is RGB quantization range selectable? 4207 * @edid: EDID block to scan 4208 * 4209 * Check whether the monitor reports the RGB quantization range selection 4210 * as supported. The AVI infoframe can then be used to inform the monitor 4211 * which quantization range (full or limited) is used. 4212 * 4213 * Return: True if the RGB quantization range is selectable, false otherwise. 4214 */ 4215 bool drm_rgb_quant_range_selectable(struct edid *edid) 4216 { 4217 u8 *edid_ext; 4218 int i, start, end; 4219 4220 edid_ext = drm_find_cea_extension(edid); 4221 if (!edid_ext) 4222 return false; 4223 4224 if (cea_db_offsets(edid_ext, &start, &end)) 4225 return false; 4226 4227 for_each_cea_db(edid_ext, i, start, end) { 4228 if (cea_db_tag(&edid_ext[i]) == USE_EXTENDED_TAG && 4229 cea_db_payload_len(&edid_ext[i]) == 2 && 4230 cea_db_extended_tag(&edid_ext[i]) == 4231 EXT_VIDEO_CAPABILITY_BLOCK) { 4232 DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", edid_ext[i + 2]); 4233 return edid_ext[i + 2] & EDID_CEA_VCDB_QS; 4234 } 4235 } 4236 4237 return false; 4238 } 4239 EXPORT_SYMBOL(drm_rgb_quant_range_selectable); 4240 4241 /** 4242 * drm_default_rgb_quant_range - default RGB quantization range 4243 * @mode: display mode 4244 * 4245 * Determine the default RGB quantization range for the mode, 4246 * as specified in CEA-861. 4247 * 4248 * Return: The default RGB quantization range for the mode 4249 */ 4250 enum hdmi_quantization_range 4251 drm_default_rgb_quant_range(const struct drm_display_mode *mode) 4252 { 4253 /* All CEA modes other than VIC 1 use limited quantization range. */ 4254 return drm_match_cea_mode(mode) > 1 ? 4255 HDMI_QUANTIZATION_RANGE_LIMITED : 4256 HDMI_QUANTIZATION_RANGE_FULL; 4257 } 4258 EXPORT_SYMBOL(drm_default_rgb_quant_range); 4259 4260 static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector, 4261 const u8 *db) 4262 { 4263 u8 dc_mask; 4264 struct drm_hdmi_info *hdmi = &connector->display_info.hdmi; 4265 4266 dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK; 4267 hdmi->y420_dc_modes |= dc_mask; 4268 } 4269 4270 static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector, 4271 const u8 *hf_vsdb) 4272 { 4273 struct drm_display_info *display = &connector->display_info; 4274 struct drm_hdmi_info *hdmi = &display->hdmi; 4275 4276 display->has_hdmi_infoframe = true; 4277 4278 if (hf_vsdb[6] & 0x80) { 4279 hdmi->scdc.supported = true; 4280 if (hf_vsdb[6] & 0x40) 4281 hdmi->scdc.read_request = true; 4282 } 4283 4284 /* 4285 * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz. 4286 * And as per the spec, three factors confirm this: 4287 * * Availability of a HF-VSDB block in EDID (check) 4288 * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check) 4289 * * SCDC support available (let's check) 4290 * Lets check it out. 4291 */ 4292 4293 if (hf_vsdb[5]) { 4294 /* max clock is 5000 KHz times block value */ 4295 u32 max_tmds_clock = hf_vsdb[5] * 5000; 4296 struct drm_scdc *scdc = &hdmi->scdc; 4297 4298 if (max_tmds_clock > 340000) { 4299 display->max_tmds_clock = max_tmds_clock; 4300 DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n", 4301 display->max_tmds_clock); 4302 } 4303 4304 if (scdc->supported) { 4305 scdc->scrambling.supported = true; 4306 4307 /* Few sinks support scrambling for cloks < 340M */ 4308 if ((hf_vsdb[6] & 0x8)) 4309 scdc->scrambling.low_rates = true; 4310 } 4311 } 4312 4313 drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb); 4314 } 4315 4316 static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector, 4317 const u8 *hdmi) 4318 { 4319 struct drm_display_info *info = &connector->display_info; 4320 unsigned int dc_bpc = 0; 4321 4322 /* HDMI supports at least 8 bpc */ 4323 info->bpc = 8; 4324 4325 if (cea_db_payload_len(hdmi) < 6) 4326 return; 4327 4328 if (hdmi[6] & DRM_EDID_HDMI_DC_30) { 4329 dc_bpc = 10; 4330 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30; 4331 DRM_DEBUG("%s: HDMI sink does deep color 30.\n", 4332 connector->name); 4333 } 4334 4335 if (hdmi[6] & DRM_EDID_HDMI_DC_36) { 4336 dc_bpc = 12; 4337 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36; 4338 DRM_DEBUG("%s: HDMI sink does deep color 36.\n", 4339 connector->name); 4340 } 4341 4342 if (hdmi[6] & DRM_EDID_HDMI_DC_48) { 4343 dc_bpc = 16; 4344 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48; 4345 DRM_DEBUG("%s: HDMI sink does deep color 48.\n", 4346 connector->name); 4347 } 4348 4349 if (dc_bpc == 0) { 4350 DRM_DEBUG("%s: No deep color support on this HDMI sink.\n", 4351 connector->name); 4352 return; 4353 } 4354 4355 DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n", 4356 connector->name, dc_bpc); 4357 info->bpc = dc_bpc; 4358 4359 /* 4360 * Deep color support mandates RGB444 support for all video 4361 * modes and forbids YCRCB422 support for all video modes per 4362 * HDMI 1.3 spec. 4363 */ 4364 info->color_formats = DRM_COLOR_FORMAT_RGB444; 4365 4366 /* YCRCB444 is optional according to spec. */ 4367 if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) { 4368 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444; 4369 DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n", 4370 connector->name); 4371 } 4372 4373 /* 4374 * Spec says that if any deep color mode is supported at all, 4375 * then deep color 36 bit must be supported. 4376 */ 4377 if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) { 4378 DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n", 4379 connector->name); 4380 } 4381 } 4382 4383 static void 4384 drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db) 4385 { 4386 struct drm_display_info *info = &connector->display_info; 4387 u8 len = cea_db_payload_len(db); 4388 4389 if (len >= 6) 4390 info->dvi_dual = db[6] & 1; 4391 if (len >= 7) 4392 info->max_tmds_clock = db[7] * 5000; 4393 4394 DRM_DEBUG_KMS("HDMI: DVI dual %d, " 4395 "max TMDS clock %d kHz\n", 4396 info->dvi_dual, 4397 info->max_tmds_clock); 4398 4399 drm_parse_hdmi_deep_color_info(connector, db); 4400 } 4401 4402 static void drm_parse_cea_ext(struct drm_connector *connector, 4403 const struct edid *edid) 4404 { 4405 struct drm_display_info *info = &connector->display_info; 4406 const u8 *edid_ext; 4407 int i, start, end; 4408 4409 edid_ext = drm_find_cea_extension(edid); 4410 if (!edid_ext) 4411 return; 4412 4413 info->cea_rev = edid_ext[1]; 4414 4415 /* The existence of a CEA block should imply RGB support */ 4416 info->color_formats = DRM_COLOR_FORMAT_RGB444; 4417 if (edid_ext[3] & EDID_CEA_YCRCB444) 4418 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444; 4419 if (edid_ext[3] & EDID_CEA_YCRCB422) 4420 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422; 4421 4422 if (cea_db_offsets(edid_ext, &start, &end)) 4423 return; 4424 4425 for_each_cea_db(edid_ext, i, start, end) { 4426 const u8 *db = &edid_ext[i]; 4427 4428 if (cea_db_is_hdmi_vsdb(db)) 4429 drm_parse_hdmi_vsdb_video(connector, db); 4430 if (cea_db_is_hdmi_forum_vsdb(db)) 4431 drm_parse_hdmi_forum_vsdb(connector, db); 4432 if (cea_db_is_y420cmdb(db)) 4433 drm_parse_y420cmdb_bitmap(connector, db); 4434 } 4435 } 4436 4437 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset 4438 * all of the values which would have been set from EDID 4439 */ 4440 void 4441 drm_reset_display_info(struct drm_connector *connector) 4442 { 4443 struct drm_display_info *info = &connector->display_info; 4444 4445 info->width_mm = 0; 4446 info->height_mm = 0; 4447 4448 info->bpc = 0; 4449 info->color_formats = 0; 4450 info->cea_rev = 0; 4451 info->max_tmds_clock = 0; 4452 info->dvi_dual = false; 4453 info->has_hdmi_infoframe = false; 4454 4455 info->non_desktop = 0; 4456 } 4457 EXPORT_SYMBOL_GPL(drm_reset_display_info); 4458 4459 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid) 4460 { 4461 struct drm_display_info *info = &connector->display_info; 4462 4463 u32 quirks = edid_get_quirks(edid); 4464 4465 info->width_mm = edid->width_cm * 10; 4466 info->height_mm = edid->height_cm * 10; 4467 4468 /* driver figures it out in this case */ 4469 info->bpc = 0; 4470 info->color_formats = 0; 4471 info->cea_rev = 0; 4472 info->max_tmds_clock = 0; 4473 info->dvi_dual = false; 4474 info->has_hdmi_infoframe = false; 4475 4476 info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP); 4477 4478 DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop); 4479 4480 if (edid->revision < 3) 4481 return quirks; 4482 4483 if (!(edid->input & DRM_EDID_INPUT_DIGITAL)) 4484 return quirks; 4485 4486 drm_parse_cea_ext(connector, edid); 4487 4488 /* 4489 * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3? 4490 * 4491 * For such displays, the DFP spec 1.0, section 3.10 "EDID support" 4492 * tells us to assume 8 bpc color depth if the EDID doesn't have 4493 * extensions which tell otherwise. 4494 */ 4495 if ((info->bpc == 0) && (edid->revision < 4) && 4496 (edid->input & DRM_EDID_DIGITAL_TYPE_DVI)) { 4497 info->bpc = 8; 4498 DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n", 4499 connector->name, info->bpc); 4500 } 4501 4502 /* Only defined for 1.4 with digital displays */ 4503 if (edid->revision < 4) 4504 return quirks; 4505 4506 switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) { 4507 case DRM_EDID_DIGITAL_DEPTH_6: 4508 info->bpc = 6; 4509 break; 4510 case DRM_EDID_DIGITAL_DEPTH_8: 4511 info->bpc = 8; 4512 break; 4513 case DRM_EDID_DIGITAL_DEPTH_10: 4514 info->bpc = 10; 4515 break; 4516 case DRM_EDID_DIGITAL_DEPTH_12: 4517 info->bpc = 12; 4518 break; 4519 case DRM_EDID_DIGITAL_DEPTH_14: 4520 info->bpc = 14; 4521 break; 4522 case DRM_EDID_DIGITAL_DEPTH_16: 4523 info->bpc = 16; 4524 break; 4525 case DRM_EDID_DIGITAL_DEPTH_UNDEF: 4526 default: 4527 info->bpc = 0; 4528 break; 4529 } 4530 4531 DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n", 4532 connector->name, info->bpc); 4533 4534 info->color_formats |= DRM_COLOR_FORMAT_RGB444; 4535 if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444) 4536 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444; 4537 if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422) 4538 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422; 4539 return quirks; 4540 } 4541 EXPORT_SYMBOL_GPL(drm_add_display_info); 4542 4543 static int validate_displayid(u8 *displayid, int length, int idx) 4544 { 4545 int i; 4546 u8 csum = 0; 4547 struct displayid_hdr *base; 4548 4549 base = (struct displayid_hdr *)&displayid[idx]; 4550 4551 DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n", 4552 base->rev, base->bytes, base->prod_id, base->ext_count); 4553 4554 if (base->bytes + 5 > length - idx) 4555 return -EINVAL; 4556 for (i = idx; i <= base->bytes + 5; i++) { 4557 csum += displayid[i]; 4558 } 4559 if (csum) { 4560 DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum); 4561 return -EINVAL; 4562 } 4563 return 0; 4564 } 4565 4566 static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev, 4567 struct displayid_detailed_timings_1 *timings) 4568 { 4569 struct drm_display_mode *mode; 4570 unsigned pixel_clock = (timings->pixel_clock[0] | 4571 (timings->pixel_clock[1] << 8) | 4572 (timings->pixel_clock[2] << 16)); 4573 unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1; 4574 unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1; 4575 unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1; 4576 unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1; 4577 unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1; 4578 unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1; 4579 unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1; 4580 unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1; 4581 bool hsync_positive = (timings->hsync[1] >> 7) & 0x1; 4582 bool vsync_positive = (timings->vsync[1] >> 7) & 0x1; 4583 mode = drm_mode_create(dev); 4584 if (!mode) 4585 return NULL; 4586 4587 mode->clock = pixel_clock * 10; 4588 mode->hdisplay = hactive; 4589 mode->hsync_start = mode->hdisplay + hsync; 4590 mode->hsync_end = mode->hsync_start + hsync_width; 4591 mode->htotal = mode->hdisplay + hblank; 4592 4593 mode->vdisplay = vactive; 4594 mode->vsync_start = mode->vdisplay + vsync; 4595 mode->vsync_end = mode->vsync_start + vsync_width; 4596 mode->vtotal = mode->vdisplay + vblank; 4597 4598 mode->flags = 0; 4599 mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC; 4600 mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC; 4601 mode->type = DRM_MODE_TYPE_DRIVER; 4602 4603 if (timings->flags & 0x80) 4604 mode->type |= DRM_MODE_TYPE_PREFERRED; 4605 mode->vrefresh = drm_mode_vrefresh(mode); 4606 drm_mode_set_name(mode); 4607 4608 return mode; 4609 } 4610 4611 static int add_displayid_detailed_1_modes(struct drm_connector *connector, 4612 struct displayid_block *block) 4613 { 4614 struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block; 4615 int i; 4616 int num_timings; 4617 struct drm_display_mode *newmode; 4618 int num_modes = 0; 4619 /* blocks must be multiple of 20 bytes length */ 4620 if (block->num_bytes % 20) 4621 return 0; 4622 4623 num_timings = block->num_bytes / 20; 4624 for (i = 0; i < num_timings; i++) { 4625 struct displayid_detailed_timings_1 *timings = &det->timings[i]; 4626 4627 newmode = drm_mode_displayid_detailed(connector->dev, timings); 4628 if (!newmode) 4629 continue; 4630 4631 drm_mode_probed_add(connector, newmode); 4632 num_modes++; 4633 } 4634 return num_modes; 4635 } 4636 4637 static int add_displayid_detailed_modes(struct drm_connector *connector, 4638 struct edid *edid) 4639 { 4640 u8 *displayid; 4641 int ret; 4642 int idx = 1; 4643 int length = EDID_LENGTH; 4644 struct displayid_block *block; 4645 int num_modes = 0; 4646 4647 displayid = drm_find_displayid_extension(edid); 4648 if (!displayid) 4649 return 0; 4650 4651 ret = validate_displayid(displayid, length, idx); 4652 if (ret) 4653 return 0; 4654 4655 idx += sizeof(struct displayid_hdr); 4656 while (block = (struct displayid_block *)&displayid[idx], 4657 idx + sizeof(struct displayid_block) <= length && 4658 idx + sizeof(struct displayid_block) + block->num_bytes <= length && 4659 block->num_bytes > 0) { 4660 idx += block->num_bytes + sizeof(struct displayid_block); 4661 switch (block->tag) { 4662 case DATA_BLOCK_TYPE_1_DETAILED_TIMING: 4663 num_modes += add_displayid_detailed_1_modes(connector, block); 4664 break; 4665 } 4666 } 4667 return num_modes; 4668 } 4669 4670 /** 4671 * drm_add_edid_modes - add modes from EDID data, if available 4672 * @connector: connector we're probing 4673 * @edid: EDID data 4674 * 4675 * Add the specified modes to the connector's mode list. Also fills out the 4676 * &drm_display_info structure and ELD in @connector with any information which 4677 * can be derived from the edid. 4678 * 4679 * Return: The number of modes added or 0 if we couldn't find any. 4680 */ 4681 int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid) 4682 { 4683 int num_modes = 0; 4684 u32 quirks; 4685 4686 if (edid == NULL) { 4687 clear_eld(connector); 4688 return 0; 4689 } 4690 if (!drm_edid_is_valid(edid)) { 4691 clear_eld(connector); 4692 dev_warn(connector->dev->dev, "%s: EDID invalid.\n", 4693 connector->name); 4694 return 0; 4695 } 4696 4697 drm_edid_to_eld(connector, edid); 4698 4699 /* 4700 * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks. 4701 * To avoid multiple parsing of same block, lets parse that map 4702 * from sink info, before parsing CEA modes. 4703 */ 4704 quirks = drm_add_display_info(connector, edid); 4705 4706 /* 4707 * EDID spec says modes should be preferred in this order: 4708 * - preferred detailed mode 4709 * - other detailed modes from base block 4710 * - detailed modes from extension blocks 4711 * - CVT 3-byte code modes 4712 * - standard timing codes 4713 * - established timing codes 4714 * - modes inferred from GTF or CVT range information 4715 * 4716 * We get this pretty much right. 4717 * 4718 * XXX order for additional mode types in extension blocks? 4719 */ 4720 num_modes += add_detailed_modes(connector, edid, quirks); 4721 num_modes += add_cvt_modes(connector, edid); 4722 num_modes += add_standard_modes(connector, edid); 4723 num_modes += add_established_modes(connector, edid); 4724 num_modes += add_cea_modes(connector, edid); 4725 num_modes += add_alternate_cea_modes(connector, edid); 4726 num_modes += add_displayid_detailed_modes(connector, edid); 4727 if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF) 4728 num_modes += add_inferred_modes(connector, edid); 4729 4730 if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75)) 4731 edid_fixup_preferred(connector, quirks); 4732 4733 if (quirks & EDID_QUIRK_FORCE_6BPC) 4734 connector->display_info.bpc = 6; 4735 4736 if (quirks & EDID_QUIRK_FORCE_8BPC) 4737 connector->display_info.bpc = 8; 4738 4739 if (quirks & EDID_QUIRK_FORCE_10BPC) 4740 connector->display_info.bpc = 10; 4741 4742 if (quirks & EDID_QUIRK_FORCE_12BPC) 4743 connector->display_info.bpc = 12; 4744 4745 return num_modes; 4746 } 4747 EXPORT_SYMBOL(drm_add_edid_modes); 4748 4749 /** 4750 * drm_add_modes_noedid - add modes for the connectors without EDID 4751 * @connector: connector we're probing 4752 * @hdisplay: the horizontal display limit 4753 * @vdisplay: the vertical display limit 4754 * 4755 * Add the specified modes to the connector's mode list. Only when the 4756 * hdisplay/vdisplay is not beyond the given limit, it will be added. 4757 * 4758 * Return: The number of modes added or 0 if we couldn't find any. 4759 */ 4760 int drm_add_modes_noedid(struct drm_connector *connector, 4761 int hdisplay, int vdisplay) 4762 { 4763 int i, count, num_modes = 0; 4764 struct drm_display_mode *mode; 4765 struct drm_device *dev = connector->dev; 4766 4767 count = ARRAY_SIZE(drm_dmt_modes); 4768 if (hdisplay < 0) 4769 hdisplay = 0; 4770 if (vdisplay < 0) 4771 vdisplay = 0; 4772 4773 for (i = 0; i < count; i++) { 4774 const struct drm_display_mode *ptr = &drm_dmt_modes[i]; 4775 if (hdisplay && vdisplay) { 4776 /* 4777 * Only when two are valid, they will be used to check 4778 * whether the mode should be added to the mode list of 4779 * the connector. 4780 */ 4781 if (ptr->hdisplay > hdisplay || 4782 ptr->vdisplay > vdisplay) 4783 continue; 4784 } 4785 if (drm_mode_vrefresh(ptr) > 61) 4786 continue; 4787 mode = drm_mode_duplicate(dev, ptr); 4788 if (mode) { 4789 drm_mode_probed_add(connector, mode); 4790 num_modes++; 4791 } 4792 } 4793 return num_modes; 4794 } 4795 EXPORT_SYMBOL(drm_add_modes_noedid); 4796 4797 /** 4798 * drm_set_preferred_mode - Sets the preferred mode of a connector 4799 * @connector: connector whose mode list should be processed 4800 * @hpref: horizontal resolution of preferred mode 4801 * @vpref: vertical resolution of preferred mode 4802 * 4803 * Marks a mode as preferred if it matches the resolution specified by @hpref 4804 * and @vpref. 4805 */ 4806 void drm_set_preferred_mode(struct drm_connector *connector, 4807 int hpref, int vpref) 4808 { 4809 struct drm_display_mode *mode; 4810 4811 list_for_each_entry(mode, &connector->probed_modes, head) { 4812 if (mode->hdisplay == hpref && 4813 mode->vdisplay == vpref) 4814 mode->type |= DRM_MODE_TYPE_PREFERRED; 4815 } 4816 } 4817 EXPORT_SYMBOL(drm_set_preferred_mode); 4818 4819 /** 4820 * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with 4821 * data from a DRM display mode 4822 * @frame: HDMI AVI infoframe 4823 * @mode: DRM display mode 4824 * @is_hdmi2_sink: Sink is HDMI 2.0 compliant 4825 * 4826 * Return: 0 on success or a negative error code on failure. 4827 */ 4828 int 4829 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame, 4830 const struct drm_display_mode *mode, 4831 bool is_hdmi2_sink) 4832 { 4833 int err; 4834 4835 if (!frame || !mode) 4836 return -EINVAL; 4837 4838 err = hdmi_avi_infoframe_init(frame); 4839 if (err < 0) 4840 return err; 4841 4842 if (mode->flags & DRM_MODE_FLAG_DBLCLK) 4843 frame->pixel_repeat = 1; 4844 4845 frame->video_code = drm_match_cea_mode(mode); 4846 4847 /* 4848 * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but 4849 * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we 4850 * have to make sure we dont break HDMI 1.4 sinks. 4851 */ 4852 if (!is_hdmi2_sink && frame->video_code > 64) 4853 frame->video_code = 0; 4854 4855 /* 4856 * HDMI spec says if a mode is found in HDMI 1.4b 4K modes 4857 * we should send its VIC in vendor infoframes, else send the 4858 * VIC in AVI infoframes. Lets check if this mode is present in 4859 * HDMI 1.4b 4K modes 4860 */ 4861 if (frame->video_code) { 4862 u8 vendor_if_vic = drm_match_hdmi_mode(mode); 4863 bool is_s3d = mode->flags & DRM_MODE_FLAG_3D_MASK; 4864 4865 if (drm_valid_hdmi_vic(vendor_if_vic) && !is_s3d) 4866 frame->video_code = 0; 4867 } 4868 4869 frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE; 4870 4871 /* 4872 * Populate picture aspect ratio from either 4873 * user input (if specified) or from the CEA mode list. 4874 */ 4875 if (mode->picture_aspect_ratio == HDMI_PICTURE_ASPECT_4_3 || 4876 mode->picture_aspect_ratio == HDMI_PICTURE_ASPECT_16_9) 4877 frame->picture_aspect = mode->picture_aspect_ratio; 4878 else if (frame->video_code > 0) 4879 frame->picture_aspect = drm_get_cea_aspect_ratio( 4880 frame->video_code); 4881 4882 frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE; 4883 frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN; 4884 4885 return 0; 4886 } 4887 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode); 4888 4889 /** 4890 * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe 4891 * quantization range information 4892 * @frame: HDMI AVI infoframe 4893 * @mode: DRM display mode 4894 * @rgb_quant_range: RGB quantization range (Q) 4895 * @rgb_quant_range_selectable: Sink support selectable RGB quantization range (QS) 4896 * @is_hdmi2_sink: HDMI 2.0 sink, which has different default recommendations 4897 * 4898 * Note that @is_hdmi2_sink can be derived by looking at the 4899 * &drm_scdc.supported flag stored in &drm_hdmi_info.scdc, 4900 * &drm_display_info.hdmi, which can be found in &drm_connector.display_info. 4901 */ 4902 void 4903 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame, 4904 const struct drm_display_mode *mode, 4905 enum hdmi_quantization_range rgb_quant_range, 4906 bool rgb_quant_range_selectable, 4907 bool is_hdmi2_sink) 4908 { 4909 /* 4910 * CEA-861: 4911 * "A Source shall not send a non-zero Q value that does not correspond 4912 * to the default RGB Quantization Range for the transmitted Picture 4913 * unless the Sink indicates support for the Q bit in a Video 4914 * Capabilities Data Block." 4915 * 4916 * HDMI 2.0 recommends sending non-zero Q when it does match the 4917 * default RGB quantization range for the mode, even when QS=0. 4918 */ 4919 if (rgb_quant_range_selectable || 4920 rgb_quant_range == drm_default_rgb_quant_range(mode)) 4921 frame->quantization_range = rgb_quant_range; 4922 else 4923 frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT; 4924 4925 /* 4926 * CEA-861-F: 4927 * "When transmitting any RGB colorimetry, the Source should set the 4928 * YQ-field to match the RGB Quantization Range being transmitted 4929 * (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB, 4930 * set YQ=1) and the Sink shall ignore the YQ-field." 4931 * 4932 * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused 4933 * by non-zero YQ when receiving RGB. There doesn't seem to be any 4934 * good way to tell which version of CEA-861 the sink supports, so 4935 * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based 4936 * on on CEA-861-F. 4937 */ 4938 if (!is_hdmi2_sink || 4939 rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED) 4940 frame->ycc_quantization_range = 4941 HDMI_YCC_QUANTIZATION_RANGE_LIMITED; 4942 else 4943 frame->ycc_quantization_range = 4944 HDMI_YCC_QUANTIZATION_RANGE_FULL; 4945 } 4946 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range); 4947 4948 static enum hdmi_3d_structure 4949 s3d_structure_from_display_mode(const struct drm_display_mode *mode) 4950 { 4951 u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK; 4952 4953 switch (layout) { 4954 case DRM_MODE_FLAG_3D_FRAME_PACKING: 4955 return HDMI_3D_STRUCTURE_FRAME_PACKING; 4956 case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE: 4957 return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE; 4958 case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE: 4959 return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE; 4960 case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL: 4961 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL; 4962 case DRM_MODE_FLAG_3D_L_DEPTH: 4963 return HDMI_3D_STRUCTURE_L_DEPTH; 4964 case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH: 4965 return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH; 4966 case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM: 4967 return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM; 4968 case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF: 4969 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF; 4970 default: 4971 return HDMI_3D_STRUCTURE_INVALID; 4972 } 4973 } 4974 4975 /** 4976 * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with 4977 * data from a DRM display mode 4978 * @frame: HDMI vendor infoframe 4979 * @connector: the connector 4980 * @mode: DRM display mode 4981 * 4982 * Note that there's is a need to send HDMI vendor infoframes only when using a 4983 * 4k or stereoscopic 3D mode. So when giving any other mode as input this 4984 * function will return -EINVAL, error that can be safely ignored. 4985 * 4986 * Return: 0 on success or a negative error code on failure. 4987 */ 4988 int 4989 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame, 4990 struct drm_connector *connector, 4991 const struct drm_display_mode *mode) 4992 { 4993 /* 4994 * FIXME: sil-sii8620 doesn't have a connector around when 4995 * we need one, so we have to be prepared for a NULL connector. 4996 */ 4997 bool has_hdmi_infoframe = connector ? 4998 connector->display_info.has_hdmi_infoframe : false; 4999 int err; 5000 u32 s3d_flags; 5001 u8 vic; 5002 5003 if (!frame || !mode) 5004 return -EINVAL; 5005 5006 if (!has_hdmi_infoframe) 5007 return -EINVAL; 5008 5009 vic = drm_match_hdmi_mode(mode); 5010 s3d_flags = mode->flags & DRM_MODE_FLAG_3D_MASK; 5011 5012 /* 5013 * Even if it's not absolutely necessary to send the infoframe 5014 * (ie.vic==0 and s3d_struct==0) we will still send it if we 5015 * know that the sink can handle it. This is based on a 5016 * suggestion in HDMI 2.0 Appendix F. Apparently some sinks 5017 * have trouble realizing that they shuld switch from 3D to 2D 5018 * mode if the source simply stops sending the infoframe when 5019 * it wants to switch from 3D to 2D. 5020 */ 5021 5022 if (vic && s3d_flags) 5023 return -EINVAL; 5024 5025 err = hdmi_vendor_infoframe_init(frame); 5026 if (err < 0) 5027 return err; 5028 5029 frame->vic = vic; 5030 frame->s3d_struct = s3d_structure_from_display_mode(mode); 5031 5032 return 0; 5033 } 5034 EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode); 5035 5036 static int drm_parse_tiled_block(struct drm_connector *connector, 5037 struct displayid_block *block) 5038 { 5039 struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block; 5040 u16 w, h; 5041 u8 tile_v_loc, tile_h_loc; 5042 u8 num_v_tile, num_h_tile; 5043 struct drm_tile_group *tg; 5044 5045 w = tile->tile_size[0] | tile->tile_size[1] << 8; 5046 h = tile->tile_size[2] | tile->tile_size[3] << 8; 5047 5048 num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30); 5049 num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30); 5050 tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4); 5051 tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4); 5052 5053 connector->has_tile = true; 5054 if (tile->tile_cap & 0x80) 5055 connector->tile_is_single_monitor = true; 5056 5057 connector->num_h_tile = num_h_tile + 1; 5058 connector->num_v_tile = num_v_tile + 1; 5059 connector->tile_h_loc = tile_h_loc; 5060 connector->tile_v_loc = tile_v_loc; 5061 connector->tile_h_size = w + 1; 5062 connector->tile_v_size = h + 1; 5063 5064 DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap); 5065 DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1); 5066 DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n", 5067 num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc); 5068 DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]); 5069 5070 tg = drm_mode_get_tile_group(connector->dev, tile->topology_id); 5071 if (!tg) { 5072 tg = drm_mode_create_tile_group(connector->dev, tile->topology_id); 5073 } 5074 if (!tg) 5075 return -ENOMEM; 5076 5077 if (connector->tile_group != tg) { 5078 /* if we haven't got a pointer, 5079 take the reference, drop ref to old tile group */ 5080 if (connector->tile_group) { 5081 drm_mode_put_tile_group(connector->dev, connector->tile_group); 5082 } 5083 connector->tile_group = tg; 5084 } else 5085 /* if same tile group, then release the ref we just took. */ 5086 drm_mode_put_tile_group(connector->dev, tg); 5087 return 0; 5088 } 5089 5090 static int drm_parse_display_id(struct drm_connector *connector, 5091 u8 *displayid, int length, 5092 bool is_edid_extension) 5093 { 5094 /* if this is an EDID extension the first byte will be 0x70 */ 5095 int idx = 0; 5096 struct displayid_block *block; 5097 int ret; 5098 5099 if (is_edid_extension) 5100 idx = 1; 5101 5102 ret = validate_displayid(displayid, length, idx); 5103 if (ret) 5104 return ret; 5105 5106 idx += sizeof(struct displayid_hdr); 5107 while (block = (struct displayid_block *)&displayid[idx], 5108 idx + sizeof(struct displayid_block) <= length && 5109 idx + sizeof(struct displayid_block) + block->num_bytes <= length && 5110 block->num_bytes > 0) { 5111 idx += block->num_bytes + sizeof(struct displayid_block); 5112 DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n", 5113 block->tag, block->rev, block->num_bytes); 5114 5115 switch (block->tag) { 5116 case DATA_BLOCK_TILED_DISPLAY: 5117 ret = drm_parse_tiled_block(connector, block); 5118 if (ret) 5119 return ret; 5120 break; 5121 case DATA_BLOCK_TYPE_1_DETAILED_TIMING: 5122 /* handled in mode gathering code. */ 5123 break; 5124 default: 5125 DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag); 5126 break; 5127 } 5128 } 5129 return 0; 5130 } 5131 5132 static void drm_get_displayid(struct drm_connector *connector, 5133 struct edid *edid) 5134 { 5135 void *displayid = NULL; 5136 int ret; 5137 connector->has_tile = false; 5138 displayid = drm_find_displayid_extension(edid); 5139 if (!displayid) { 5140 /* drop reference to any tile group we had */ 5141 goto out_drop_ref; 5142 } 5143 5144 ret = drm_parse_display_id(connector, displayid, EDID_LENGTH, true); 5145 if (ret < 0) 5146 goto out_drop_ref; 5147 if (!connector->has_tile) 5148 goto out_drop_ref; 5149 return; 5150 out_drop_ref: 5151 if (connector->tile_group) { 5152 drm_mode_put_tile_group(connector->dev, connector->tile_group); 5153 connector->tile_group = NULL; 5154 } 5155 return; 5156 } 5157