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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/gpu/drm/drm_edid.c
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
-rw-r--r--drivers/gpu/drm/drm_edid.c5309
1 files changed, 5309 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
new file mode 100644
index 000000000..28ea3d260
--- /dev/null
+++ b/drivers/gpu/drm/drm_edid.c
@@ -0,0 +1,5309 @@
+/*
+ * Copyright (c) 2006 Luc Verhaegen (quirks list)
+ * Copyright (c) 2007-2008 Intel Corporation
+ * Jesse Barnes <jesse.barnes@intel.com>
+ * Copyright 2010 Red Hat, Inc.
+ *
+ * DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from
+ * FB layer.
+ * Copyright (C) 2006 Dennis Munsie <dmunsie@cecropia.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/hdmi.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/vga_switcheroo.h>
+#include <drm/drmP.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_encoder.h>
+#include <drm/drm_displayid.h>
+#include <drm/drm_scdc_helper.h>
+
+#include "drm_crtc_internal.h"
+
+#define version_greater(edid, maj, min) \
+ (((edid)->version > (maj)) || \
+ ((edid)->version == (maj) && (edid)->revision > (min)))
+
+#define EDID_EST_TIMINGS 16
+#define EDID_STD_TIMINGS 8
+#define EDID_DETAILED_TIMINGS 4
+
+/*
+ * EDID blocks out in the wild have a variety of bugs, try to collect
+ * them here (note that userspace may work around broken monitors first,
+ * but fixes should make their way here so that the kernel "just works"
+ * on as many displays as possible).
+ */
+
+/* First detailed mode wrong, use largest 60Hz mode */
+#define EDID_QUIRK_PREFER_LARGE_60 (1 << 0)
+/* Reported 135MHz pixel clock is too high, needs adjustment */
+#define EDID_QUIRK_135_CLOCK_TOO_HIGH (1 << 1)
+/* Prefer the largest mode at 75 Hz */
+#define EDID_QUIRK_PREFER_LARGE_75 (1 << 2)
+/* Detail timing is in cm not mm */
+#define EDID_QUIRK_DETAILED_IN_CM (1 << 3)
+/* Detailed timing descriptors have bogus size values, so just take the
+ * maximum size and use that.
+ */
+#define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE (1 << 4)
+/* Monitor forgot to set the first detailed is preferred bit. */
+#define EDID_QUIRK_FIRST_DETAILED_PREFERRED (1 << 5)
+/* use +hsync +vsync for detailed mode */
+#define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6)
+/* Force reduced-blanking timings for detailed modes */
+#define EDID_QUIRK_FORCE_REDUCED_BLANKING (1 << 7)
+/* Force 8bpc */
+#define EDID_QUIRK_FORCE_8BPC (1 << 8)
+/* Force 12bpc */
+#define EDID_QUIRK_FORCE_12BPC (1 << 9)
+/* Force 6bpc */
+#define EDID_QUIRK_FORCE_6BPC (1 << 10)
+/* Force 10bpc */
+#define EDID_QUIRK_FORCE_10BPC (1 << 11)
+/* Non desktop display (i.e. HMD) */
+#define EDID_QUIRK_NON_DESKTOP (1 << 12)
+
+struct detailed_mode_closure {
+ struct drm_connector *connector;
+ struct edid *edid;
+ bool preferred;
+ u32 quirks;
+ int modes;
+};
+
+#define LEVEL_DMT 0
+#define LEVEL_GTF 1
+#define LEVEL_GTF2 2
+#define LEVEL_CVT 3
+
+static const struct edid_quirk {
+ char vendor[4];
+ int product_id;
+ u32 quirks;
+} edid_quirk_list[] = {
+ /* Acer AL1706 */
+ { "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 },
+ /* Acer F51 */
+ { "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 },
+ /* Unknown Acer */
+ { "ACR", 2423, EDID_QUIRK_FIRST_DETAILED_PREFERRED },
+
+ /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
+ { "AEO", 0, EDID_QUIRK_FORCE_6BPC },
+
+ /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
+ { "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC },
+
+ /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
+ { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },
+
+ /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
+ { "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC },
+
+ /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
+ { "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC },
+
+ /* Belinea 10 15 55 */
+ { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 },
+ { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },
+
+ /* Envision Peripherals, Inc. EN-7100e */
+ { "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH },
+ /* Envision EN2028 */
+ { "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 },
+
+ /* Funai Electronics PM36B */
+ { "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 |
+ EDID_QUIRK_DETAILED_IN_CM },
+
+ /* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
+ { "LGD", 764, EDID_QUIRK_FORCE_10BPC },
+
+ /* LG Philips LCD LP154W01-A5 */
+ { "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
+ { "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
+
+ /* Philips 107p5 CRT */
+ { "PHL", 57364, EDID_QUIRK_FIRST_DETAILED_PREFERRED },
+
+ /* Proview AY765C */
+ { "PTS", 765, EDID_QUIRK_FIRST_DETAILED_PREFERRED },
+
+ /* Samsung SyncMaster 205BW. Note: irony */
+ { "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP },
+ /* Samsung SyncMaster 22[5-6]BW */
+ { "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 },
+ { "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 },
+
+ /* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
+ { "SNY", 0x2541, EDID_QUIRK_FORCE_12BPC },
+
+ /* ViewSonic VA2026w */
+ { "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING },
+
+ /* Medion MD 30217 PG */
+ { "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 },
+
+ /* Lenovo G50 */
+ { "SDC", 18514, EDID_QUIRK_FORCE_6BPC },
+
+ /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
+ { "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC },
+
+ /* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
+ { "ETR", 13896, EDID_QUIRK_FORCE_8BPC },
+
+ /* Valve Index Headset */
+ { "VLV", 0x91a8, EDID_QUIRK_NON_DESKTOP },
+ { "VLV", 0x91b0, EDID_QUIRK_NON_DESKTOP },
+ { "VLV", 0x91b1, EDID_QUIRK_NON_DESKTOP },
+ { "VLV", 0x91b2, EDID_QUIRK_NON_DESKTOP },
+ { "VLV", 0x91b3, EDID_QUIRK_NON_DESKTOP },
+ { "VLV", 0x91b4, EDID_QUIRK_NON_DESKTOP },
+ { "VLV", 0x91b5, EDID_QUIRK_NON_DESKTOP },
+ { "VLV", 0x91b6, EDID_QUIRK_NON_DESKTOP },
+ { "VLV", 0x91b7, EDID_QUIRK_NON_DESKTOP },
+ { "VLV", 0x91b8, EDID_QUIRK_NON_DESKTOP },
+ { "VLV", 0x91b9, EDID_QUIRK_NON_DESKTOP },
+ { "VLV", 0x91ba, EDID_QUIRK_NON_DESKTOP },
+ { "VLV", 0x91bb, EDID_QUIRK_NON_DESKTOP },
+ { "VLV", 0x91bc, EDID_QUIRK_NON_DESKTOP },
+ { "VLV", 0x91bd, EDID_QUIRK_NON_DESKTOP },
+ { "VLV", 0x91be, EDID_QUIRK_NON_DESKTOP },
+ { "VLV", 0x91bf, EDID_QUIRK_NON_DESKTOP },
+
+ /* HTC Vive and Vive Pro VR Headsets */
+ { "HVR", 0xaa01, EDID_QUIRK_NON_DESKTOP },
+ { "HVR", 0xaa02, EDID_QUIRK_NON_DESKTOP },
+
+ /* Oculus Rift DK1, DK2, CV1 and Rift S VR Headsets */
+ { "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP },
+ { "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP },
+ { "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP },
+ { "OVR", 0x0012, EDID_QUIRK_NON_DESKTOP },
+
+ /* Windows Mixed Reality Headsets */
+ { "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP },
+ { "HPN", 0x3515, EDID_QUIRK_NON_DESKTOP },
+ { "LEN", 0x0408, EDID_QUIRK_NON_DESKTOP },
+ { "LEN", 0xb800, EDID_QUIRK_NON_DESKTOP },
+ { "FUJ", 0x1970, EDID_QUIRK_NON_DESKTOP },
+ { "DEL", 0x7fce, EDID_QUIRK_NON_DESKTOP },
+ { "SEC", 0x144a, EDID_QUIRK_NON_DESKTOP },
+ { "AUS", 0xc102, EDID_QUIRK_NON_DESKTOP },
+
+ /* Sony PlayStation VR Headset */
+ { "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP },
+
+ /* Sensics VR Headsets */
+ { "SEN", 0x1019, EDID_QUIRK_NON_DESKTOP },
+
+ /* OSVR HDK and HDK2 VR Headsets */
+ { "SVR", 0x1019, EDID_QUIRK_NON_DESKTOP },
+};
+
+/*
+ * Autogenerated from the DMT spec.
+ * This table is copied from xfree86/modes/xf86EdidModes.c.
+ */
+static const struct drm_display_mode drm_dmt_modes[] = {
+ /* 0x01 - 640x350@85Hz */
+ { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
+ 736, 832, 0, 350, 382, 385, 445, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x02 - 640x400@85Hz */
+ { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
+ 736, 832, 0, 400, 401, 404, 445, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x03 - 720x400@85Hz */
+ { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
+ 828, 936, 0, 400, 401, 404, 446, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x04 - 640x480@60Hz */
+ { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
+ 752, 800, 0, 480, 490, 492, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x05 - 640x480@72Hz */
+ { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
+ 704, 832, 0, 480, 489, 492, 520, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x06 - 640x480@75Hz */
+ { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
+ 720, 840, 0, 480, 481, 484, 500, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x07 - 640x480@85Hz */
+ { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
+ 752, 832, 0, 480, 481, 484, 509, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x08 - 800x600@56Hz */
+ { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
+ 896, 1024, 0, 600, 601, 603, 625, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x09 - 800x600@60Hz */
+ { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
+ 968, 1056, 0, 600, 601, 605, 628, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x0a - 800x600@72Hz */
+ { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
+ 976, 1040, 0, 600, 637, 643, 666, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x0b - 800x600@75Hz */
+ { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
+ 896, 1056, 0, 600, 601, 604, 625, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x0c - 800x600@85Hz */
+ { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
+ 896, 1048, 0, 600, 601, 604, 631, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x0d - 800x600@120Hz RB */
+ { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
+ 880, 960, 0, 600, 603, 607, 636, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x0e - 848x480@60Hz */
+ { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
+ 976, 1088, 0, 480, 486, 494, 517, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x0f - 1024x768@43Hz, interlace */
+ { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
+ 1208, 1264, 0, 768, 768, 776, 817, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
+ DRM_MODE_FLAG_INTERLACE) },
+ /* 0x10 - 1024x768@60Hz */
+ { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
+ 1184, 1344, 0, 768, 771, 777, 806, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x11 - 1024x768@70Hz */
+ { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
+ 1184, 1328, 0, 768, 771, 777, 806, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x12 - 1024x768@75Hz */
+ { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
+ 1136, 1312, 0, 768, 769, 772, 800, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x13 - 1024x768@85Hz */
+ { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
+ 1168, 1376, 0, 768, 769, 772, 808, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x14 - 1024x768@120Hz RB */
+ { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
+ 1104, 1184, 0, 768, 771, 775, 813, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x15 - 1152x864@75Hz */
+ { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
+ 1344, 1600, 0, 864, 865, 868, 900, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x55 - 1280x720@60Hz */
+ { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
+ 1430, 1650, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x16 - 1280x768@60Hz RB */
+ { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
+ 1360, 1440, 0, 768, 771, 778, 790, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x17 - 1280x768@60Hz */
+ { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
+ 1472, 1664, 0, 768, 771, 778, 798, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x18 - 1280x768@75Hz */
+ { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
+ 1488, 1696, 0, 768, 771, 778, 805, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x19 - 1280x768@85Hz */
+ { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
+ 1496, 1712, 0, 768, 771, 778, 809, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x1a - 1280x768@120Hz RB */
+ { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
+ 1360, 1440, 0, 768, 771, 778, 813, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x1b - 1280x800@60Hz RB */
+ { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
+ 1360, 1440, 0, 800, 803, 809, 823, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x1c - 1280x800@60Hz */
+ { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
+ 1480, 1680, 0, 800, 803, 809, 831, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x1d - 1280x800@75Hz */
+ { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
+ 1488, 1696, 0, 800, 803, 809, 838, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x1e - 1280x800@85Hz */
+ { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
+ 1496, 1712, 0, 800, 803, 809, 843, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x1f - 1280x800@120Hz RB */
+ { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
+ 1360, 1440, 0, 800, 803, 809, 847, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x20 - 1280x960@60Hz */
+ { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
+ 1488, 1800, 0, 960, 961, 964, 1000, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x21 - 1280x960@85Hz */
+ { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
+ 1504, 1728, 0, 960, 961, 964, 1011, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x22 - 1280x960@120Hz RB */
+ { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
+ 1360, 1440, 0, 960, 963, 967, 1017, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x23 - 1280x1024@60Hz */
+ { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
+ 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x24 - 1280x1024@75Hz */
+ { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
+ 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x25 - 1280x1024@85Hz */
+ { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
+ 1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x26 - 1280x1024@120Hz RB */
+ { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
+ 1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x27 - 1360x768@60Hz */
+ { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
+ 1536, 1792, 0, 768, 771, 777, 795, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x28 - 1360x768@120Hz RB */
+ { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
+ 1440, 1520, 0, 768, 771, 776, 813, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x51 - 1366x768@60Hz */
+ { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
+ 1579, 1792, 0, 768, 771, 774, 798, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x56 - 1366x768@60Hz */
+ { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
+ 1436, 1500, 0, 768, 769, 772, 800, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x29 - 1400x1050@60Hz RB */
+ { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
+ 1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x2a - 1400x1050@60Hz */
+ { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
+ 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x2b - 1400x1050@75Hz */
+ { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
+ 1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x2c - 1400x1050@85Hz */
+ { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
+ 1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x2d - 1400x1050@120Hz RB */
+ { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
+ 1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x2e - 1440x900@60Hz RB */
+ { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
+ 1520, 1600, 0, 900, 903, 909, 926, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x2f - 1440x900@60Hz */
+ { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
+ 1672, 1904, 0, 900, 903, 909, 934, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x30 - 1440x900@75Hz */
+ { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
+ 1688, 1936, 0, 900, 903, 909, 942, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x31 - 1440x900@85Hz */
+ { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
+ 1696, 1952, 0, 900, 903, 909, 948, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x32 - 1440x900@120Hz RB */
+ { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
+ 1520, 1600, 0, 900, 903, 909, 953, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x53 - 1600x900@60Hz */
+ { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
+ 1704, 1800, 0, 900, 901, 904, 1000, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x33 - 1600x1200@60Hz */
+ { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
+ 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x34 - 1600x1200@65Hz */
+ { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
+ 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x35 - 1600x1200@70Hz */
+ { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
+ 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x36 - 1600x1200@75Hz */
+ { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
+ 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x37 - 1600x1200@85Hz */
+ { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
+ 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x38 - 1600x1200@120Hz RB */
+ { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
+ 1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x39 - 1680x1050@60Hz RB */
+ { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
+ 1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x3a - 1680x1050@60Hz */
+ { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
+ 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x3b - 1680x1050@75Hz */
+ { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
+ 1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x3c - 1680x1050@85Hz */
+ { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
+ 1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x3d - 1680x1050@120Hz RB */
+ { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
+ 1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x3e - 1792x1344@60Hz */
+ { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
+ 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x3f - 1792x1344@75Hz */
+ { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
+ 2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x40 - 1792x1344@120Hz RB */
+ { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
+ 1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x41 - 1856x1392@60Hz */
+ { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
+ 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x42 - 1856x1392@75Hz */
+ { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
+ 2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x43 - 1856x1392@120Hz RB */
+ { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
+ 1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x52 - 1920x1080@60Hz */
+ { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
+ 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x44 - 1920x1200@60Hz RB */
+ { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
+ 2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x45 - 1920x1200@60Hz */
+ { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
+ 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x46 - 1920x1200@75Hz */
+ { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
+ 2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x47 - 1920x1200@85Hz */
+ { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
+ 2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x48 - 1920x1200@120Hz RB */
+ { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
+ 2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x49 - 1920x1440@60Hz */
+ { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
+ 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x4a - 1920x1440@75Hz */
+ { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
+ 2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x4b - 1920x1440@120Hz RB */
+ { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
+ 2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x54 - 2048x1152@60Hz */
+ { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
+ 2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x4c - 2560x1600@60Hz RB */
+ { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
+ 2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x4d - 2560x1600@60Hz */
+ { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
+ 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x4e - 2560x1600@75Hz */
+ { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
+ 3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x4f - 2560x1600@85Hz */
+ { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
+ 3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ /* 0x50 - 2560x1600@120Hz RB */
+ { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
+ 2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x57 - 4096x2160@60Hz RB */
+ { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
+ 4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+ /* 0x58 - 4096x2160@59.94Hz RB */
+ { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
+ 4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
+};
+
+/*
+ * These more or less come from the DMT spec. The 720x400 modes are
+ * inferred from historical 80x25 practice. The 640x480@67 and 832x624@75
+ * modes are old-school Mac modes. The EDID spec says the 1152x864@75 mode
+ * should be 1152x870, again for the Mac, but instead we use the x864 DMT
+ * mode.
+ *
+ * The DMT modes have been fact-checked; the rest are mild guesses.
+ */
+static const struct drm_display_mode edid_est_modes[] = {
+ { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
+ 968, 1056, 0, 600, 601, 605, 628, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
+ { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
+ 896, 1024, 0, 600, 601, 603, 625, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
+ { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
+ 720, 840, 0, 480, 481, 484, 500, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
+ { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
+ 704, 832, 0, 480, 489, 492, 520, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
+ { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
+ 768, 864, 0, 480, 483, 486, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
+ { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
+ 752, 800, 0, 480, 490, 492, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
+ { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
+ 846, 900, 0, 400, 421, 423, 449, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
+ { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
+ 846, 900, 0, 400, 412, 414, 449, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
+ { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
+ 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
+ { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
+ 1136, 1312, 0, 768, 769, 772, 800, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
+ { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
+ 1184, 1328, 0, 768, 771, 777, 806, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
+ { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
+ 1184, 1344, 0, 768, 771, 777, 806, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
+ { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
+ 1208, 1264, 0, 768, 768, 776, 817, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
+ { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
+ 928, 1152, 0, 624, 625, 628, 667, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
+ { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
+ 896, 1056, 0, 600, 601, 604, 625, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
+ { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
+ 976, 1040, 0, 600, 637, 643, 666, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
+ { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
+ 1344, 1600, 0, 864, 865, 868, 900, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
+};
+
+struct minimode {
+ short w;
+ short h;
+ short r;
+ short rb;
+};
+
+static const struct minimode est3_modes[] = {
+ /* byte 6 */
+ { 640, 350, 85, 0 },
+ { 640, 400, 85, 0 },
+ { 720, 400, 85, 0 },
+ { 640, 480, 85, 0 },
+ { 848, 480, 60, 0 },
+ { 800, 600, 85, 0 },
+ { 1024, 768, 85, 0 },
+ { 1152, 864, 75, 0 },
+ /* byte 7 */
+ { 1280, 768, 60, 1 },
+ { 1280, 768, 60, 0 },
+ { 1280, 768, 75, 0 },
+ { 1280, 768, 85, 0 },
+ { 1280, 960, 60, 0 },
+ { 1280, 960, 85, 0 },
+ { 1280, 1024, 60, 0 },
+ { 1280, 1024, 85, 0 },
+ /* byte 8 */
+ { 1360, 768, 60, 0 },
+ { 1440, 900, 60, 1 },
+ { 1440, 900, 60, 0 },
+ { 1440, 900, 75, 0 },
+ { 1440, 900, 85, 0 },
+ { 1400, 1050, 60, 1 },
+ { 1400, 1050, 60, 0 },
+ { 1400, 1050, 75, 0 },
+ /* byte 9 */
+ { 1400, 1050, 85, 0 },
+ { 1680, 1050, 60, 1 },
+ { 1680, 1050, 60, 0 },
+ { 1680, 1050, 75, 0 },
+ { 1680, 1050, 85, 0 },
+ { 1600, 1200, 60, 0 },
+ { 1600, 1200, 65, 0 },
+ { 1600, 1200, 70, 0 },
+ /* byte 10 */
+ { 1600, 1200, 75, 0 },
+ { 1600, 1200, 85, 0 },
+ { 1792, 1344, 60, 0 },
+ { 1792, 1344, 75, 0 },
+ { 1856, 1392, 60, 0 },
+ { 1856, 1392, 75, 0 },
+ { 1920, 1200, 60, 1 },
+ { 1920, 1200, 60, 0 },
+ /* byte 11 */
+ { 1920, 1200, 75, 0 },
+ { 1920, 1200, 85, 0 },
+ { 1920, 1440, 60, 0 },
+ { 1920, 1440, 75, 0 },
+};
+
+static const struct minimode extra_modes[] = {
+ { 1024, 576, 60, 0 },
+ { 1366, 768, 60, 0 },
+ { 1600, 900, 60, 0 },
+ { 1680, 945, 60, 0 },
+ { 1920, 1080, 60, 0 },
+ { 2048, 1152, 60, 0 },
+ { 2048, 1536, 60, 0 },
+};
+
+/*
+ * Probably taken from CEA-861 spec.
+ * This table is converted from xorg's hw/xfree86/modes/xf86EdidModes.c.
+ *
+ * Index using the VIC.
+ */
+static const struct drm_display_mode edid_cea_modes[] = {
+ /* 0 - dummy, VICs start at 1 */
+ { },
+ /* 1 - 640x480@60Hz 4:3 */
+ { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
+ 752, 800, 0, 480, 490, 492, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 2 - 720x480@60Hz 4:3 */
+ { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
+ 798, 858, 0, 480, 489, 495, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 3 - 720x480@60Hz 16:9 */
+ { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
+ 798, 858, 0, 480, 489, 495, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 4 - 1280x720@60Hz 16:9 */
+ { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
+ 1430, 1650, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 5 - 1920x1080i@60Hz 16:9 */
+ { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
+ 2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
+ DRM_MODE_FLAG_INTERLACE),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 6 - 720(1440)x480i@60Hz 4:3 */
+ { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
+ 801, 858, 0, 480, 488, 494, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 7 - 720(1440)x480i@60Hz 16:9 */
+ { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
+ 801, 858, 0, 480, 488, 494, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 8 - 720(1440)x240@60Hz 4:3 */
+ { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
+ 801, 858, 0, 240, 244, 247, 262, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_DBLCLK),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 9 - 720(1440)x240@60Hz 16:9 */
+ { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
+ 801, 858, 0, 240, 244, 247, 262, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_DBLCLK),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 10 - 2880x480i@60Hz 4:3 */
+ { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
+ 3204, 3432, 0, 480, 488, 494, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_INTERLACE),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 11 - 2880x480i@60Hz 16:9 */
+ { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
+ 3204, 3432, 0, 480, 488, 494, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_INTERLACE),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 12 - 2880x240@60Hz 4:3 */
+ { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
+ 3204, 3432, 0, 240, 244, 247, 262, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 13 - 2880x240@60Hz 16:9 */
+ { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
+ 3204, 3432, 0, 240, 244, 247, 262, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 14 - 1440x480@60Hz 4:3 */
+ { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
+ 1596, 1716, 0, 480, 489, 495, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 15 - 1440x480@60Hz 16:9 */
+ { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
+ 1596, 1716, 0, 480, 489, 495, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 16 - 1920x1080@60Hz 16:9 */
+ { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
+ 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 17 - 720x576@50Hz 4:3 */
+ { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
+ 796, 864, 0, 576, 581, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 18 - 720x576@50Hz 16:9 */
+ { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
+ 796, 864, 0, 576, 581, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 19 - 1280x720@50Hz 16:9 */
+ { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
+ 1760, 1980, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 20 - 1920x1080i@50Hz 16:9 */
+ { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
+ 2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
+ DRM_MODE_FLAG_INTERLACE),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 21 - 720(1440)x576i@50Hz 4:3 */
+ { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
+ 795, 864, 0, 576, 580, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 22 - 720(1440)x576i@50Hz 16:9 */
+ { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
+ 795, 864, 0, 576, 580, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 23 - 720(1440)x288@50Hz 4:3 */
+ { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
+ 795, 864, 0, 288, 290, 293, 312, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_DBLCLK),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 24 - 720(1440)x288@50Hz 16:9 */
+ { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
+ 795, 864, 0, 288, 290, 293, 312, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_DBLCLK),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 25 - 2880x576i@50Hz 4:3 */
+ { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
+ 3180, 3456, 0, 576, 580, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_INTERLACE),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 26 - 2880x576i@50Hz 16:9 */
+ { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
+ 3180, 3456, 0, 576, 580, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_INTERLACE),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 27 - 2880x288@50Hz 4:3 */
+ { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
+ 3180, 3456, 0, 288, 290, 293, 312, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 28 - 2880x288@50Hz 16:9 */
+ { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
+ 3180, 3456, 0, 288, 290, 293, 312, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 29 - 1440x576@50Hz 4:3 */
+ { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
+ 1592, 1728, 0, 576, 581, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 30 - 1440x576@50Hz 16:9 */
+ { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
+ 1592, 1728, 0, 576, 581, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 31 - 1920x1080@50Hz 16:9 */
+ { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
+ 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 32 - 1920x1080@24Hz 16:9 */
+ { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
+ 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 33 - 1920x1080@25Hz 16:9 */
+ { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
+ 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 34 - 1920x1080@30Hz 16:9 */
+ { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
+ 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 35 - 2880x480@60Hz 4:3 */
+ { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
+ 3192, 3432, 0, 480, 489, 495, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 36 - 2880x480@60Hz 16:9 */
+ { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
+ 3192, 3432, 0, 480, 489, 495, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 37 - 2880x576@50Hz 4:3 */
+ { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
+ 3184, 3456, 0, 576, 581, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 38 - 2880x576@50Hz 16:9 */
+ { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
+ 3184, 3456, 0, 576, 581, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 39 - 1920x1080i@50Hz 16:9 */
+ { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
+ 2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_INTERLACE),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 40 - 1920x1080i@100Hz 16:9 */
+ { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
+ 2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
+ DRM_MODE_FLAG_INTERLACE),
+ .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 41 - 1280x720@100Hz 16:9 */
+ { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
+ 1760, 1980, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 42 - 720x576@100Hz 4:3 */
+ { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
+ 796, 864, 0, 576, 581, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 43 - 720x576@100Hz 16:9 */
+ { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
+ 796, 864, 0, 576, 581, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 44 - 720(1440)x576i@100Hz 4:3 */
+ { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
+ 795, 864, 0, 576, 580, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+ .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 45 - 720(1440)x576i@100Hz 16:9 */
+ { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
+ 795, 864, 0, 576, 580, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+ .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 46 - 1920x1080i@120Hz 16:9 */
+ { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
+ 2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
+ DRM_MODE_FLAG_INTERLACE),
+ .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 47 - 1280x720@120Hz 16:9 */
+ { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
+ 1430, 1650, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 48 - 720x480@120Hz 4:3 */
+ { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
+ 798, 858, 0, 480, 489, 495, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 49 - 720x480@120Hz 16:9 */
+ { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
+ 798, 858, 0, 480, 489, 495, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 50 - 720(1440)x480i@120Hz 4:3 */
+ { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
+ 801, 858, 0, 480, 488, 494, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+ .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 51 - 720(1440)x480i@120Hz 16:9 */
+ { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
+ 801, 858, 0, 480, 488, 494, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+ .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 52 - 720x576@200Hz 4:3 */
+ { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
+ 796, 864, 0, 576, 581, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 53 - 720x576@200Hz 16:9 */
+ { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
+ 796, 864, 0, 576, 581, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 54 - 720(1440)x576i@200Hz 4:3 */
+ { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
+ 795, 864, 0, 576, 580, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+ .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 55 - 720(1440)x576i@200Hz 16:9 */
+ { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
+ 795, 864, 0, 576, 580, 586, 625, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+ .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 56 - 720x480@240Hz 4:3 */
+ { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
+ 798, 858, 0, 480, 489, 495, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 57 - 720x480@240Hz 16:9 */
+ { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
+ 798, 858, 0, 480, 489, 495, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
+ .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 58 - 720(1440)x480i@240Hz 4:3 */
+ { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
+ 801, 858, 0, 480, 488, 494, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+ .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
+ /* 59 - 720(1440)x480i@240Hz 16:9 */
+ { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
+ 801, 858, 0, 480, 488, 494, 525, 0,
+ DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
+ DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
+ .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 60 - 1280x720@24Hz 16:9 */
+ { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
+ 3080, 3300, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 61 - 1280x720@25Hz 16:9 */
+ { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
+ 3740, 3960, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 62 - 1280x720@30Hz 16:9 */
+ { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
+ 3080, 3300, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 63 - 1920x1080@120Hz 16:9 */
+ { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
+ 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 64 - 1920x1080@100Hz 16:9 */
+ { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
+ 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 65 - 1280x720@24Hz 64:27 */
+ { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
+ 3080, 3300, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 66 - 1280x720@25Hz 64:27 */
+ { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
+ 3740, 3960, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 67 - 1280x720@30Hz 64:27 */
+ { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
+ 3080, 3300, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 68 - 1280x720@50Hz 64:27 */
+ { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
+ 1760, 1980, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 69 - 1280x720@60Hz 64:27 */
+ { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
+ 1430, 1650, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 70 - 1280x720@100Hz 64:27 */
+ { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
+ 1760, 1980, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 71 - 1280x720@120Hz 64:27 */
+ { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
+ 1430, 1650, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 72 - 1920x1080@24Hz 64:27 */
+ { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
+ 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 73 - 1920x1080@25Hz 64:27 */
+ { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
+ 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 74 - 1920x1080@30Hz 64:27 */
+ { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
+ 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 75 - 1920x1080@50Hz 64:27 */
+ { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
+ 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 76 - 1920x1080@60Hz 64:27 */
+ { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
+ 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 77 - 1920x1080@100Hz 64:27 */
+ { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
+ 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 78 - 1920x1080@120Hz 64:27 */
+ { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
+ 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 79 - 1680x720@24Hz 64:27 */
+ { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
+ 3080, 3300, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 80 - 1680x720@25Hz 64:27 */
+ { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
+ 2948, 3168, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 81 - 1680x720@30Hz 64:27 */
+ { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
+ 2420, 2640, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 82 - 1680x720@50Hz 64:27 */
+ { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
+ 1980, 2200, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 83 - 1680x720@60Hz 64:27 */
+ { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
+ 1980, 2200, 0, 720, 725, 730, 750, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 84 - 1680x720@100Hz 64:27 */
+ { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
+ 1780, 2000, 0, 720, 725, 730, 825, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 85 - 1680x720@120Hz 64:27 */
+ { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
+ 1780, 2000, 0, 720, 725, 730, 825, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 86 - 2560x1080@24Hz 64:27 */
+ { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
+ 3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 87 - 2560x1080@25Hz 64:27 */
+ { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
+ 3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 88 - 2560x1080@30Hz 64:27 */
+ { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
+ 3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 89 - 2560x1080@50Hz 64:27 */
+ { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
+ 3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 90 - 2560x1080@60Hz 64:27 */
+ { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
+ 2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 91 - 2560x1080@100Hz 64:27 */
+ { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
+ 2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 92 - 2560x1080@120Hz 64:27 */
+ { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
+ 3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 93 - 3840x2160@24Hz 16:9 */
+ { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
+ 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 94 - 3840x2160@25Hz 16:9 */
+ { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
+ 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 95 - 3840x2160@30Hz 16:9 */
+ { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
+ 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 96 - 3840x2160@50Hz 16:9 */
+ { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
+ 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 97 - 3840x2160@60Hz 16:9 */
+ { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
+ 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
+ /* 98 - 4096x2160@24Hz 256:135 */
+ { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
+ 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
+ /* 99 - 4096x2160@25Hz 256:135 */
+ { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
+ 5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
+ /* 100 - 4096x2160@30Hz 256:135 */
+ { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
+ 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
+ /* 101 - 4096x2160@50Hz 256:135 */
+ { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
+ 5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
+ /* 102 - 4096x2160@60Hz 256:135 */
+ { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
+ 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
+ /* 103 - 3840x2160@24Hz 64:27 */
+ { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
+ 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 104 - 3840x2160@25Hz 64:27 */
+ { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
+ 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 105 - 3840x2160@30Hz 64:27 */
+ { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
+ 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 106 - 3840x2160@50Hz 64:27 */
+ { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
+ 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+ /* 107 - 3840x2160@60Hz 64:27 */
+ { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
+ 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
+};
+
+/*
+ * HDMI 1.4 4k modes. Index using the VIC.
+ */
+static const struct drm_display_mode edid_4k_modes[] = {
+ /* 0 - dummy, VICs start at 1 */
+ { },
+ /* 1 - 3840x2160@30Hz */
+ { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
+ 3840, 4016, 4104, 4400, 0,
+ 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 30, },
+ /* 2 - 3840x2160@25Hz */
+ { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
+ 3840, 4896, 4984, 5280, 0,
+ 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 25, },
+ /* 3 - 3840x2160@24Hz */
+ { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
+ 3840, 5116, 5204, 5500, 0,
+ 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 24, },
+ /* 4 - 4096x2160@24Hz (SMPTE) */
+ { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
+ 4096, 5116, 5204, 5500, 0,
+ 2160, 2168, 2178, 2250, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
+ .vrefresh = 24, },
+};
+
+/*** DDC fetch and block validation ***/
+
+static const u8 edid_header[] = {
+ 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
+};
+
+/**
+ * drm_edid_header_is_valid - sanity check the header of the base EDID block
+ * @raw_edid: pointer to raw base EDID block
+ *
+ * Sanity check the header of the base EDID block.
+ *
+ * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
+ */
+int drm_edid_header_is_valid(const u8 *raw_edid)
+{
+ int i, score = 0;
+
+ for (i = 0; i < sizeof(edid_header); i++)
+ if (raw_edid[i] == edid_header[i])
+ score++;
+
+ return score;
+}
+EXPORT_SYMBOL(drm_edid_header_is_valid);
+
+static int edid_fixup __read_mostly = 6;
+module_param_named(edid_fixup, edid_fixup, int, 0400);
+MODULE_PARM_DESC(edid_fixup,
+ "Minimum number of valid EDID header bytes (0-8, default 6)");
+
+static void drm_get_displayid(struct drm_connector *connector,
+ struct edid *edid);
+static int validate_displayid(u8 *displayid, int length, int idx);
+
+static int drm_edid_block_checksum(const u8 *raw_edid)
+{
+ int i;
+ u8 csum = 0;
+ for (i = 0; i < EDID_LENGTH; i++)
+ csum += raw_edid[i];
+
+ return csum;
+}
+
+static bool drm_edid_is_zero(const u8 *in_edid, int length)
+{
+ if (memchr_inv(in_edid, 0, length))
+ return false;
+
+ return true;
+}
+
+/**
+ * drm_edid_block_valid - Sanity check the EDID block (base or extension)
+ * @raw_edid: pointer to raw EDID block
+ * @block: type of block to validate (0 for base, extension otherwise)
+ * @print_bad_edid: if true, dump bad EDID blocks to the console
+ * @edid_corrupt: if true, the header or checksum is invalid
+ *
+ * Validate a base or extension EDID block and optionally dump bad blocks to
+ * the console.
+ *
+ * Return: True if the block is valid, false otherwise.
+ */
+bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
+ bool *edid_corrupt)
+{
+ u8 csum;
+ struct edid *edid = (struct edid *)raw_edid;
+
+ if (WARN_ON(!raw_edid))
+ return false;
+
+ if (edid_fixup > 8 || edid_fixup < 0)
+ edid_fixup = 6;
+
+ if (block == 0) {
+ int score = drm_edid_header_is_valid(raw_edid);
+ if (score == 8) {
+ if (edid_corrupt)
+ *edid_corrupt = false;
+ } else if (score >= edid_fixup) {
+ /* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6
+ * The corrupt flag needs to be set here otherwise, the
+ * fix-up code here will correct the problem, the
+ * checksum is correct and the test fails
+ */
+ if (edid_corrupt)
+ *edid_corrupt = true;
+ DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
+ memcpy(raw_edid, edid_header, sizeof(edid_header));
+ } else {
+ if (edid_corrupt)
+ *edid_corrupt = true;
+ goto bad;
+ }
+ }
+
+ csum = drm_edid_block_checksum(raw_edid);
+ if (csum) {
+ if (edid_corrupt)
+ *edid_corrupt = true;
+
+ /* allow CEA to slide through, switches mangle this */
+ if (raw_edid[0] == CEA_EXT) {
+ DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum);
+ DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n");
+ } else {
+ if (print_bad_edid)
+ DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
+
+ goto bad;
+ }
+ }
+
+ /* per-block-type checks */
+ switch (raw_edid[0]) {
+ case 0: /* base */
+ if (edid->version != 1) {
+ DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
+ goto bad;
+ }
+
+ if (edid->revision > 4)
+ DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
+ break;
+
+ default:
+ break;
+ }
+
+ return true;
+
+bad:
+ if (print_bad_edid) {
+ if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
+ pr_notice("EDID block is all zeroes\n");
+ } else {
+ pr_notice("Raw EDID:\n");
+ print_hex_dump(KERN_NOTICE,
+ " \t", DUMP_PREFIX_NONE, 16, 1,
+ raw_edid, EDID_LENGTH, false);
+ }
+ }
+ return false;
+}
+EXPORT_SYMBOL(drm_edid_block_valid);
+
+/**
+ * drm_edid_is_valid - sanity check EDID data
+ * @edid: EDID data
+ *
+ * Sanity-check an entire EDID record (including extensions)
+ *
+ * Return: True if the EDID data is valid, false otherwise.
+ */
+bool drm_edid_is_valid(struct edid *edid)
+{
+ int i;
+ u8 *raw = (u8 *)edid;
+
+ if (!edid)
+ return false;
+
+ for (i = 0; i <= edid->extensions; i++)
+ if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
+ return false;
+
+ return true;
+}
+EXPORT_SYMBOL(drm_edid_is_valid);
+
+#define DDC_SEGMENT_ADDR 0x30
+/**
+ * drm_do_probe_ddc_edid() - get EDID information via I2C
+ * @data: I2C device adapter
+ * @buf: EDID data buffer to be filled
+ * @block: 128 byte EDID block to start fetching from
+ * @len: EDID data buffer length to fetch
+ *
+ * Try to fetch EDID information by calling I2C driver functions.
+ *
+ * Return: 0 on success or -1 on failure.
+ */
+static int
+drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
+{
+ struct i2c_adapter *adapter = data;
+ unsigned char start = block * EDID_LENGTH;
+ unsigned char segment = block >> 1;
+ unsigned char xfers = segment ? 3 : 2;
+ int ret, retries = 5;
+
+ /*
+ * The core I2C driver will automatically retry the transfer if the
+ * adapter reports EAGAIN. However, we find that bit-banging transfers
+ * are susceptible to errors under a heavily loaded machine and
+ * generate spurious NAKs and timeouts. Retrying the transfer
+ * of the individual block a few times seems to overcome this.
+ */
+ do {
+ struct i2c_msg msgs[] = {
+ {
+ .addr = DDC_SEGMENT_ADDR,
+ .flags = 0,
+ .len = 1,
+ .buf = &segment,
+ }, {
+ .addr = DDC_ADDR,
+ .flags = 0,
+ .len = 1,
+ .buf = &start,
+ }, {
+ .addr = DDC_ADDR,
+ .flags = I2C_M_RD,
+ .len = len,
+ .buf = buf,
+ }
+ };
+
+ /*
+ * Avoid sending the segment addr to not upset non-compliant
+ * DDC monitors.
+ */
+ ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
+
+ if (ret == -ENXIO) {
+ DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
+ adapter->name);
+ break;
+ }
+ } while (ret != xfers && --retries);
+
+ return ret == xfers ? 0 : -1;
+}
+
+static void connector_bad_edid(struct drm_connector *connector,
+ u8 *edid, int num_blocks)
+{
+ int i;
+
+ if (connector->bad_edid_counter++ && !(drm_debug & DRM_UT_KMS))
+ return;
+
+ dev_warn(connector->dev->dev,
+ "%s: EDID is invalid:\n",
+ connector->name);
+ for (i = 0; i < num_blocks; i++) {
+ u8 *block = edid + i * EDID_LENGTH;
+ char prefix[20];
+
+ if (drm_edid_is_zero(block, EDID_LENGTH))
+ sprintf(prefix, "\t[%02x] ZERO ", i);
+ else if (!drm_edid_block_valid(block, i, false, NULL))
+ sprintf(prefix, "\t[%02x] BAD ", i);
+ else
+ sprintf(prefix, "\t[%02x] GOOD ", i);
+
+ print_hex_dump(KERN_WARNING,
+ prefix, DUMP_PREFIX_NONE, 16, 1,
+ block, EDID_LENGTH, false);
+ }
+}
+
+/* Get override or firmware EDID */
+static struct edid *drm_get_override_edid(struct drm_connector *connector)
+{
+ struct edid *override = NULL;
+
+ if (connector->override_edid)
+ override = drm_edid_duplicate(connector->edid_blob_ptr->data);
+
+ if (!override)
+ override = drm_load_edid_firmware(connector);
+
+ return IS_ERR(override) ? NULL : override;
+}
+
+/**
+ * drm_add_override_edid_modes - add modes from override/firmware EDID
+ * @connector: connector we're probing
+ *
+ * Add modes from the override/firmware EDID, if available. Only to be used from
+ * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
+ * failed during drm_get_edid() and caused the override/firmware EDID to be
+ * skipped.
+ *
+ * Return: The number of modes added or 0 if we couldn't find any.
+ */
+int drm_add_override_edid_modes(struct drm_connector *connector)
+{
+ struct edid *override;
+ int num_modes = 0;
+
+ override = drm_get_override_edid(connector);
+ if (override) {
+ drm_connector_update_edid_property(connector, override);
+ num_modes = drm_add_edid_modes(connector, override);
+ kfree(override);
+
+ DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
+ connector->base.id, connector->name, num_modes);
+ }
+
+ return num_modes;
+}
+EXPORT_SYMBOL(drm_add_override_edid_modes);
+
+/**
+ * drm_do_get_edid - get EDID data using a custom EDID block read function
+ * @connector: connector we're probing
+ * @get_edid_block: EDID block read function
+ * @data: private data passed to the block read function
+ *
+ * When the I2C adapter connected to the DDC bus is hidden behind a device that
+ * exposes a different interface to read EDID blocks this function can be used
+ * to get EDID data using a custom block read function.
+ *
+ * As in the general case the DDC bus is accessible by the kernel at the I2C
+ * level, drivers must make all reasonable efforts to expose it as an I2C
+ * adapter and use drm_get_edid() instead of abusing this function.
+ *
+ * The EDID may be overridden using debugfs override_edid or firmare EDID
+ * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
+ * order. Having either of them bypasses actual EDID reads.
+ *
+ * Return: Pointer to valid EDID or NULL if we couldn't find any.
+ */
+struct edid *drm_do_get_edid(struct drm_connector *connector,
+ int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
+ size_t len),
+ void *data)
+{
+ int i, j = 0, valid_extensions = 0;
+ u8 *edid, *new;
+ struct edid *override;
+
+ override = drm_get_override_edid(connector);
+ if (override)
+ return override;
+
+ if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
+ return NULL;
+
+ /* base block fetch */
+ for (i = 0; i < 4; i++) {
+ if (get_edid_block(data, edid, 0, EDID_LENGTH))
+ goto out;
+ if (drm_edid_block_valid(edid, 0, false,
+ &connector->edid_corrupt))
+ break;
+ if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
+ connector->null_edid_counter++;
+ goto carp;
+ }
+ }
+ if (i == 4)
+ goto carp;
+
+ /* if there's no extensions, we're done */
+ valid_extensions = edid[0x7e];
+ if (valid_extensions == 0)
+ return (struct edid *)edid;
+
+ new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
+ if (!new)
+ goto out;
+ edid = new;
+
+ for (j = 1; j <= edid[0x7e]; j++) {
+ u8 *block = edid + j * EDID_LENGTH;
+
+ for (i = 0; i < 4; i++) {
+ if (get_edid_block(data, block, j, EDID_LENGTH))
+ goto out;
+ if (drm_edid_block_valid(block, j, false, NULL))
+ break;
+ }
+
+ if (i == 4)
+ valid_extensions--;
+ }
+
+ if (valid_extensions != edid[0x7e]) {
+ u8 *base;
+
+ connector_bad_edid(connector, edid, edid[0x7e] + 1);
+
+ new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
+ GFP_KERNEL);
+ if (!new)
+ goto out;
+
+ base = new;
+ for (i = 0; i <= edid[0x7e]; i++) {
+ u8 *block = edid + i * EDID_LENGTH;
+
+ if (!drm_edid_block_valid(block, i, false, NULL))
+ continue;
+
+ memcpy(base, block, EDID_LENGTH);
+ base += EDID_LENGTH;
+ }
+
+ new[EDID_LENGTH - 1] += new[0x7e] - valid_extensions;
+ new[0x7e] = valid_extensions;
+
+ kfree(edid);
+ edid = new;
+ }
+
+ return (struct edid *)edid;
+
+carp:
+ connector_bad_edid(connector, edid, 1);
+out:
+ kfree(edid);
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(drm_do_get_edid);
+
+/**
+ * drm_probe_ddc() - probe DDC presence
+ * @adapter: I2C adapter to probe
+ *
+ * Return: True on success, false on failure.
+ */
+bool
+drm_probe_ddc(struct i2c_adapter *adapter)
+{
+ unsigned char out;
+
+ return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
+}
+EXPORT_SYMBOL(drm_probe_ddc);
+
+/**
+ * drm_get_edid - get EDID data, if available
+ * @connector: connector we're probing
+ * @adapter: I2C adapter to use for DDC
+ *
+ * Poke the given I2C channel to grab EDID data if possible. If found,
+ * attach it to the connector.
+ *
+ * Return: Pointer to valid EDID or NULL if we couldn't find any.
+ */
+struct edid *drm_get_edid(struct drm_connector *connector,
+ struct i2c_adapter *adapter)
+{
+ struct edid *edid;
+
+ if (connector->force == DRM_FORCE_OFF)
+ return NULL;
+
+ if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
+ return NULL;
+
+ edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
+ if (edid)
+ drm_get_displayid(connector, edid);
+ return edid;
+}
+EXPORT_SYMBOL(drm_get_edid);
+
+/**
+ * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
+ * @connector: connector we're probing
+ * @adapter: I2C adapter to use for DDC
+ *
+ * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
+ * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
+ * switch DDC to the GPU which is retrieving EDID.
+ *
+ * Return: Pointer to valid EDID or %NULL if we couldn't find any.
+ */
+struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
+ struct i2c_adapter *adapter)
+{
+ struct pci_dev *pdev = connector->dev->pdev;
+ struct edid *edid;
+
+ vga_switcheroo_lock_ddc(pdev);
+ edid = drm_get_edid(connector, adapter);
+ vga_switcheroo_unlock_ddc(pdev);
+
+ return edid;
+}
+EXPORT_SYMBOL(drm_get_edid_switcheroo);
+
+/**
+ * drm_edid_duplicate - duplicate an EDID and the extensions
+ * @edid: EDID to duplicate
+ *
+ * Return: Pointer to duplicated EDID or NULL on allocation failure.
+ */
+struct edid *drm_edid_duplicate(const struct edid *edid)
+{
+ return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
+}
+EXPORT_SYMBOL(drm_edid_duplicate);
+
+/*** EDID parsing ***/
+
+/**
+ * edid_vendor - match a string against EDID's obfuscated vendor field
+ * @edid: EDID to match
+ * @vendor: vendor string
+ *
+ * Returns true if @vendor is in @edid, false otherwise
+ */
+static bool edid_vendor(const struct edid *edid, const char *vendor)
+{
+ char edid_vendor[3];
+
+ edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
+ edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
+ ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
+ edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
+
+ return !strncmp(edid_vendor, vendor, 3);
+}
+
+/**
+ * edid_get_quirks - return quirk flags for a given EDID
+ * @edid: EDID to process
+ *
+ * This tells subsequent routines what fixes they need to apply.
+ */
+static u32 edid_get_quirks(const struct edid *edid)
+{
+ const struct edid_quirk *quirk;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
+ quirk = &edid_quirk_list[i];
+
+ if (edid_vendor(edid, quirk->vendor) &&
+ (EDID_PRODUCT_ID(edid) == quirk->product_id))
+ return quirk->quirks;
+ }
+
+ return 0;
+}
+
+#define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
+#define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
+
+/**
+ * edid_fixup_preferred - set preferred modes based on quirk list
+ * @connector: has mode list to fix up
+ * @quirks: quirks list
+ *
+ * Walk the mode list for @connector, clearing the preferred status
+ * on existing modes and setting it anew for the right mode ala @quirks.
+ */
+static void edid_fixup_preferred(struct drm_connector *connector,
+ u32 quirks)
+{
+ struct drm_display_mode *t, *cur_mode, *preferred_mode;
+ int target_refresh = 0;
+ int cur_vrefresh, preferred_vrefresh;
+
+ if (list_empty(&connector->probed_modes))
+ return;
+
+ if (quirks & EDID_QUIRK_PREFER_LARGE_60)
+ target_refresh = 60;
+ if (quirks & EDID_QUIRK_PREFER_LARGE_75)
+ target_refresh = 75;
+
+ preferred_mode = list_first_entry(&connector->probed_modes,
+ struct drm_display_mode, head);
+
+ list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
+ cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
+
+ if (cur_mode == preferred_mode)
+ continue;
+
+ /* Largest mode is preferred */
+ if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
+ preferred_mode = cur_mode;
+
+ cur_vrefresh = cur_mode->vrefresh ?
+ cur_mode->vrefresh : drm_mode_vrefresh(cur_mode);
+ preferred_vrefresh = preferred_mode->vrefresh ?
+ preferred_mode->vrefresh : drm_mode_vrefresh(preferred_mode);
+ /* At a given size, try to get closest to target refresh */
+ if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
+ MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
+ MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
+ preferred_mode = cur_mode;
+ }
+ }
+
+ preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
+}
+
+static bool
+mode_is_rb(const struct drm_display_mode *mode)
+{
+ return (mode->htotal - mode->hdisplay == 160) &&
+ (mode->hsync_end - mode->hdisplay == 80) &&
+ (mode->hsync_end - mode->hsync_start == 32) &&
+ (mode->vsync_start - mode->vdisplay == 3);
+}
+
+/*
+ * drm_mode_find_dmt - Create a copy of a mode if present in DMT
+ * @dev: Device to duplicate against
+ * @hsize: Mode width
+ * @vsize: Mode height
+ * @fresh: Mode refresh rate
+ * @rb: Mode reduced-blanking-ness
+ *
+ * Walk the DMT mode list looking for a match for the given parameters.
+ *
+ * Return: A newly allocated copy of the mode, or NULL if not found.
+ */
+struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
+ int hsize, int vsize, int fresh,
+ bool rb)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
+ const struct drm_display_mode *ptr = &drm_dmt_modes[i];
+ if (hsize != ptr->hdisplay)
+ continue;
+ if (vsize != ptr->vdisplay)
+ continue;
+ if (fresh != drm_mode_vrefresh(ptr))
+ continue;
+ if (rb != mode_is_rb(ptr))
+ continue;
+
+ return drm_mode_duplicate(dev, ptr);
+ }
+
+ return NULL;
+}
+EXPORT_SYMBOL(drm_mode_find_dmt);
+
+typedef void detailed_cb(struct detailed_timing *timing, void *closure);
+
+static void
+cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
+{
+ int i, n = 0;
+ u8 d = ext[0x02];
+ u8 *det_base = ext + d;
+
+ n = (127 - d) / 18;
+ for (i = 0; i < n; i++)
+ cb((struct detailed_timing *)(det_base + 18 * i), closure);
+}
+
+static void
+vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
+{
+ unsigned int i, n = min((int)ext[0x02], 6);
+ u8 *det_base = ext + 5;
+
+ if (ext[0x01] != 1)
+ return; /* unknown version */
+
+ for (i = 0; i < n; i++)
+ cb((struct detailed_timing *)(det_base + 18 * i), closure);
+}
+
+static void
+drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
+{
+ int i;
+ struct edid *edid = (struct edid *)raw_edid;
+
+ if (edid == NULL)
+ return;
+
+ for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
+ cb(&(edid->detailed_timings[i]), closure);
+
+ for (i = 1; i <= raw_edid[0x7e]; i++) {
+ u8 *ext = raw_edid + (i * EDID_LENGTH);
+ switch (*ext) {
+ case CEA_EXT:
+ cea_for_each_detailed_block(ext, cb, closure);
+ break;
+ case VTB_EXT:
+ vtb_for_each_detailed_block(ext, cb, closure);
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+static void
+is_rb(struct detailed_timing *t, void *data)
+{
+ u8 *r = (u8 *)t;
+ if (r[3] == EDID_DETAIL_MONITOR_RANGE)
+ if (r[15] & 0x10)
+ *(bool *)data = true;
+}
+
+/* EDID 1.4 defines this explicitly. For EDID 1.3, we guess, badly. */
+static bool
+drm_monitor_supports_rb(struct edid *edid)
+{
+ if (edid->revision >= 4) {
+ bool ret = false;
+ drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
+ return ret;
+ }
+
+ return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
+}
+
+static void
+find_gtf2(struct detailed_timing *t, void *data)
+{
+ u8 *r = (u8 *)t;
+ if (r[3] == EDID_DETAIL_MONITOR_RANGE && r[10] == 0x02)
+ *(u8 **)data = r;
+}
+
+/* Secondary GTF curve kicks in above some break frequency */
+static int
+drm_gtf2_hbreak(struct edid *edid)
+{
+ u8 *r = NULL;
+ drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
+ return r ? (r[12] * 2) : 0;
+}
+
+static int
+drm_gtf2_2c(struct edid *edid)
+{
+ u8 *r = NULL;
+ drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
+ return r ? r[13] : 0;
+}
+
+static int
+drm_gtf2_m(struct edid *edid)
+{
+ u8 *r = NULL;
+ drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
+ return r ? (r[15] << 8) + r[14] : 0;
+}
+
+static int
+drm_gtf2_k(struct edid *edid)
+{
+ u8 *r = NULL;
+ drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
+ return r ? r[16] : 0;
+}
+
+static int
+drm_gtf2_2j(struct edid *edid)
+{
+ u8 *r = NULL;
+ drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
+ return r ? r[17] : 0;
+}
+
+/**
+ * standard_timing_level - get std. timing level(CVT/GTF/DMT)
+ * @edid: EDID block to scan
+ */
+static int standard_timing_level(struct edid *edid)
+{
+ if (edid->revision >= 2) {
+ if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
+ return LEVEL_CVT;
+ if (drm_gtf2_hbreak(edid))
+ return LEVEL_GTF2;
+ return LEVEL_GTF;
+ }
+ return LEVEL_DMT;
+}
+
+/*
+ * 0 is reserved. The spec says 0x01 fill for unused timings. Some old
+ * monitors fill with ascii space (0x20) instead.
+ */
+static int
+bad_std_timing(u8 a, u8 b)
+{
+ return (a == 0x00 && b == 0x00) ||
+ (a == 0x01 && b == 0x01) ||
+ (a == 0x20 && b == 0x20);
+}
+
+/**
+ * drm_mode_std - convert standard mode info (width, height, refresh) into mode
+ * @connector: connector of for the EDID block
+ * @edid: EDID block to scan
+ * @t: standard timing params
+ *
+ * Take the standard timing params (in this case width, aspect, and refresh)
+ * and convert them into a real mode using CVT/GTF/DMT.
+ */
+static struct drm_display_mode *
+drm_mode_std(struct drm_connector *connector, struct edid *edid,
+ struct std_timing *t)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_display_mode *m, *mode = NULL;
+ int hsize, vsize;
+ int vrefresh_rate;
+ unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
+ >> EDID_TIMING_ASPECT_SHIFT;
+ unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
+ >> EDID_TIMING_VFREQ_SHIFT;
+ int timing_level = standard_timing_level(edid);
+
+ if (bad_std_timing(t->hsize, t->vfreq_aspect))
+ return NULL;
+
+ /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
+ hsize = t->hsize * 8 + 248;
+ /* vrefresh_rate = vfreq + 60 */
+ vrefresh_rate = vfreq + 60;
+ /* the vdisplay is calculated based on the aspect ratio */
+ if (aspect_ratio == 0) {
+ if (edid->revision < 3)
+ vsize = hsize;
+ else
+ vsize = (hsize * 10) / 16;
+ } else if (aspect_ratio == 1)
+ vsize = (hsize * 3) / 4;
+ else if (aspect_ratio == 2)
+ vsize = (hsize * 4) / 5;
+ else
+ vsize = (hsize * 9) / 16;
+
+ /* HDTV hack, part 1 */
+ if (vrefresh_rate == 60 &&
+ ((hsize == 1360 && vsize == 765) ||
+ (hsize == 1368 && vsize == 769))) {
+ hsize = 1366;
+ vsize = 768;
+ }
+
+ /*
+ * If this connector already has a mode for this size and refresh
+ * rate (because it came from detailed or CVT info), use that
+ * instead. This way we don't have to guess at interlace or
+ * reduced blanking.
+ */
+ list_for_each_entry(m, &connector->probed_modes, head)
+ if (m->hdisplay == hsize && m->vdisplay == vsize &&
+ drm_mode_vrefresh(m) == vrefresh_rate)
+ return NULL;
+
+ /* HDTV hack, part 2 */
+ if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
+ mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
+ false);
+ if (!mode)
+ return NULL;
+ mode->hdisplay = 1366;
+ mode->hsync_start = mode->hsync_start - 1;
+ mode->hsync_end = mode->hsync_end - 1;
+ return mode;
+ }
+
+ /* check whether it can be found in default mode table */
+ if (drm_monitor_supports_rb(edid)) {
+ mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
+ true);
+ if (mode)
+ return mode;
+ }
+ mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
+ if (mode)
+ return mode;
+
+ /* okay, generate it */
+ switch (timing_level) {
+ case LEVEL_DMT:
+ break;
+ case LEVEL_GTF:
+ mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
+ break;
+ case LEVEL_GTF2:
+ /*
+ * This is potentially wrong if there's ever a monitor with
+ * more than one ranges section, each claiming a different
+ * secondary GTF curve. Please don't do that.
+ */
+ mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
+ if (!mode)
+ return NULL;
+ if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
+ drm_mode_destroy(dev, mode);
+ mode = drm_gtf_mode_complex(dev, hsize, vsize,
+ vrefresh_rate, 0, 0,
+ drm_gtf2_m(edid),
+ drm_gtf2_2c(edid),
+ drm_gtf2_k(edid),
+ drm_gtf2_2j(edid));
+ }
+ break;
+ case LEVEL_CVT:
+ mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
+ false);
+ break;
+ }
+ return mode;
+}
+
+/*
+ * EDID is delightfully ambiguous about how interlaced modes are to be
+ * encoded. Our internal representation is of frame height, but some
+ * HDTV detailed timings are encoded as field height.
+ *
+ * The format list here is from CEA, in frame size. Technically we
+ * should be checking refresh rate too. Whatever.
+ */
+static void
+drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
+ struct detailed_pixel_timing *pt)
+{
+ int i;
+ static const struct {
+ int w, h;
+ } cea_interlaced[] = {
+ { 1920, 1080 },
+ { 720, 480 },
+ { 1440, 480 },
+ { 2880, 480 },
+ { 720, 576 },
+ { 1440, 576 },
+ { 2880, 576 },
+ };
+
+ if (!(pt->misc & DRM_EDID_PT_INTERLACED))
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
+ if ((mode->hdisplay == cea_interlaced[i].w) &&
+ (mode->vdisplay == cea_interlaced[i].h / 2)) {
+ mode->vdisplay *= 2;
+ mode->vsync_start *= 2;
+ mode->vsync_end *= 2;
+ mode->vtotal *= 2;
+ mode->vtotal |= 1;
+ }
+ }
+
+ mode->flags |= DRM_MODE_FLAG_INTERLACE;
+}
+
+/**
+ * drm_mode_detailed - create a new mode from an EDID detailed timing section
+ * @dev: DRM device (needed to create new mode)
+ * @edid: EDID block
+ * @timing: EDID detailed timing info
+ * @quirks: quirks to apply
+ *
+ * An EDID detailed timing block contains enough info for us to create and
+ * return a new struct drm_display_mode.
+ */
+static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
+ struct edid *edid,
+ struct detailed_timing *timing,
+ u32 quirks)
+{
+ struct drm_display_mode *mode;
+ struct detailed_pixel_timing *pt = &timing->data.pixel_data;
+ unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
+ unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
+ unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
+ unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
+ unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
+ unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
+ unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
+ unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
+
+ /* ignore tiny modes */
+ if (hactive < 64 || vactive < 64)
+ return NULL;
+
+ if (pt->misc & DRM_EDID_PT_STEREO) {
+ DRM_DEBUG_KMS("stereo mode not supported\n");
+ return NULL;
+ }
+ if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
+ DRM_DEBUG_KMS("composite sync not supported\n");
+ }
+
+ /* it is incorrect if hsync/vsync width is zero */
+ if (!hsync_pulse_width || !vsync_pulse_width) {
+ DRM_DEBUG_KMS("Incorrect Detailed timing. "
+ "Wrong Hsync/Vsync pulse width\n");
+ return NULL;
+ }
+
+ if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
+ mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
+ if (!mode)
+ return NULL;
+
+ goto set_size;
+ }
+
+ mode = drm_mode_create(dev);
+ if (!mode)
+ return NULL;
+
+ if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
+ timing->pixel_clock = cpu_to_le16(1088);
+
+ mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
+
+ mode->hdisplay = hactive;
+ mode->hsync_start = mode->hdisplay + hsync_offset;
+ mode->hsync_end = mode->hsync_start + hsync_pulse_width;
+ mode->htotal = mode->hdisplay + hblank;
+
+ mode->vdisplay = vactive;
+ mode->vsync_start = mode->vdisplay + vsync_offset;
+ mode->vsync_end = mode->vsync_start + vsync_pulse_width;
+ mode->vtotal = mode->vdisplay + vblank;
+
+ /* Some EDIDs have bogus h/vtotal values */
+ if (mode->hsync_end > mode->htotal)
+ mode->htotal = mode->hsync_end + 1;
+ if (mode->vsync_end > mode->vtotal)
+ mode->vtotal = mode->vsync_end + 1;
+
+ drm_mode_do_interlace_quirk(mode, pt);
+
+ if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
+ pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
+ }
+
+ mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
+ DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
+ mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
+ DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
+
+set_size:
+ mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
+ mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
+
+ if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
+ mode->width_mm *= 10;
+ mode->height_mm *= 10;
+ }
+
+ if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
+ mode->width_mm = edid->width_cm * 10;
+ mode->height_mm = edid->height_cm * 10;
+ }
+
+ mode->type = DRM_MODE_TYPE_DRIVER;
+ mode->vrefresh = drm_mode_vrefresh(mode);
+ drm_mode_set_name(mode);
+
+ return mode;
+}
+
+static bool
+mode_in_hsync_range(const struct drm_display_mode *mode,
+ struct edid *edid, u8 *t)
+{
+ int hsync, hmin, hmax;
+
+ hmin = t[7];
+ if (edid->revision >= 4)
+ hmin += ((t[4] & 0x04) ? 255 : 0);
+ hmax = t[8];
+ if (edid->revision >= 4)
+ hmax += ((t[4] & 0x08) ? 255 : 0);
+ hsync = drm_mode_hsync(mode);
+
+ return (hsync <= hmax && hsync >= hmin);
+}
+
+static bool
+mode_in_vsync_range(const struct drm_display_mode *mode,
+ struct edid *edid, u8 *t)
+{
+ int vsync, vmin, vmax;
+
+ vmin = t[5];
+ if (edid->revision >= 4)
+ vmin += ((t[4] & 0x01) ? 255 : 0);
+ vmax = t[6];
+ if (edid->revision >= 4)
+ vmax += ((t[4] & 0x02) ? 255 : 0);
+ vsync = drm_mode_vrefresh(mode);
+
+ return (vsync <= vmax && vsync >= vmin);
+}
+
+static u32
+range_pixel_clock(struct edid *edid, u8 *t)
+{
+ /* unspecified */
+ if (t[9] == 0 || t[9] == 255)
+ return 0;
+
+ /* 1.4 with CVT support gives us real precision, yay */
+ if (edid->revision >= 4 && t[10] == 0x04)
+ return (t[9] * 10000) - ((t[12] >> 2) * 250);
+
+ /* 1.3 is pathetic, so fuzz up a bit */
+ return t[9] * 10000 + 5001;
+}
+
+static bool
+mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
+ struct detailed_timing *timing)
+{
+ u32 max_clock;
+ u8 *t = (u8 *)timing;
+
+ if (!mode_in_hsync_range(mode, edid, t))
+ return false;
+
+ if (!mode_in_vsync_range(mode, edid, t))
+ return false;
+
+ if ((max_clock = range_pixel_clock(edid, t)))
+ if (mode->clock > max_clock)
+ return false;
+
+ /* 1.4 max horizontal check */
+ if (edid->revision >= 4 && t[10] == 0x04)
+ if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
+ return false;
+
+ if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
+ return false;
+
+ return true;
+}
+
+static bool valid_inferred_mode(const struct drm_connector *connector,
+ const struct drm_display_mode *mode)
+{
+ const struct drm_display_mode *m;
+ bool ok = false;
+
+ list_for_each_entry(m, &connector->probed_modes, head) {
+ if (mode->hdisplay == m->hdisplay &&
+ mode->vdisplay == m->vdisplay &&
+ drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
+ return false; /* duplicated */
+ if (mode->hdisplay <= m->hdisplay &&
+ mode->vdisplay <= m->vdisplay)
+ ok = true;
+ }
+ return ok;
+}
+
+static int
+drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
+ struct detailed_timing *timing)
+{
+ int i, modes = 0;
+ struct drm_display_mode *newmode;
+ struct drm_device *dev = connector->dev;
+
+ for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
+ if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
+ valid_inferred_mode(connector, drm_dmt_modes + i)) {
+ newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
+ if (newmode) {
+ drm_mode_probed_add(connector, newmode);
+ modes++;
+ }
+ }
+ }
+
+ return modes;
+}
+
+/* fix up 1366x768 mode from 1368x768;
+ * GFT/CVT can't express 1366 width which isn't dividable by 8
+ */
+void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
+{
+ if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
+ mode->hdisplay = 1366;
+ mode->hsync_start--;
+ mode->hsync_end--;
+ drm_mode_set_name(mode);
+ }
+}
+
+static int
+drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
+ struct detailed_timing *timing)
+{
+ int i, modes = 0;
+ struct drm_display_mode *newmode;
+ struct drm_device *dev = connector->dev;
+
+ for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
+ const struct minimode *m = &extra_modes[i];
+ newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
+ if (!newmode)
+ return modes;
+
+ drm_mode_fixup_1366x768(newmode);
+ if (!mode_in_range(newmode, edid, timing) ||
+ !valid_inferred_mode(connector, newmode)) {
+ drm_mode_destroy(dev, newmode);
+ continue;
+ }
+
+ drm_mode_probed_add(connector, newmode);
+ modes++;
+ }
+
+ return modes;
+}
+
+static int
+drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
+ struct detailed_timing *timing)
+{
+ int i, modes = 0;
+ struct drm_display_mode *newmode;
+ struct drm_device *dev = connector->dev;
+ bool rb = drm_monitor_supports_rb(edid);
+
+ for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
+ const struct minimode *m = &extra_modes[i];
+ newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
+ if (!newmode)
+ return modes;
+
+ drm_mode_fixup_1366x768(newmode);
+ if (!mode_in_range(newmode, edid, timing) ||
+ !valid_inferred_mode(connector, newmode)) {
+ drm_mode_destroy(dev, newmode);
+ continue;
+ }
+
+ drm_mode_probed_add(connector, newmode);
+ modes++;
+ }
+
+ return modes;
+}
+
+static void
+do_inferred_modes(struct detailed_timing *timing, void *c)
+{
+ struct detailed_mode_closure *closure = c;
+ struct detailed_non_pixel *data = &timing->data.other_data;
+ struct detailed_data_monitor_range *range = &data->data.range;
+
+ if (data->type != EDID_DETAIL_MONITOR_RANGE)
+ return;
+
+ closure->modes += drm_dmt_modes_for_range(closure->connector,
+ closure->edid,
+ timing);
+
+ if (!version_greater(closure->edid, 1, 1))
+ return; /* GTF not defined yet */
+
+ switch (range->flags) {
+ case 0x02: /* secondary gtf, XXX could do more */
+ case 0x00: /* default gtf */
+ closure->modes += drm_gtf_modes_for_range(closure->connector,
+ closure->edid,
+ timing);
+ break;
+ case 0x04: /* cvt, only in 1.4+ */
+ if (!version_greater(closure->edid, 1, 3))
+ break;
+
+ closure->modes += drm_cvt_modes_for_range(closure->connector,
+ closure->edid,
+ timing);
+ break;
+ case 0x01: /* just the ranges, no formula */
+ default:
+ break;
+ }
+}
+
+static int
+add_inferred_modes(struct drm_connector *connector, struct edid *edid)
+{
+ struct detailed_mode_closure closure = {
+ .connector = connector,
+ .edid = edid,
+ };
+
+ if (version_greater(edid, 1, 0))
+ drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
+ &closure);
+
+ return closure.modes;
+}
+
+static int
+drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
+{
+ int i, j, m, modes = 0;
+ struct drm_display_mode *mode;
+ u8 *est = ((u8 *)timing) + 6;
+
+ for (i = 0; i < 6; i++) {
+ for (j = 7; j >= 0; j--) {
+ m = (i * 8) + (7 - j);
+ if (m >= ARRAY_SIZE(est3_modes))
+ break;
+ if (est[i] & (1 << j)) {
+ mode = drm_mode_find_dmt(connector->dev,
+ est3_modes[m].w,
+ est3_modes[m].h,
+ est3_modes[m].r,
+ est3_modes[m].rb);
+ if (mode) {
+ drm_mode_probed_add(connector, mode);
+ modes++;
+ }
+ }
+ }
+ }
+
+ return modes;
+}
+
+static void
+do_established_modes(struct detailed_timing *timing, void *c)
+{
+ struct detailed_mode_closure *closure = c;
+ struct detailed_non_pixel *data = &timing->data.other_data;
+
+ if (data->type == EDID_DETAIL_EST_TIMINGS)
+ closure->modes += drm_est3_modes(closure->connector, timing);
+}
+
+/**
+ * add_established_modes - get est. modes from EDID and add them
+ * @connector: connector to add mode(s) to
+ * @edid: EDID block to scan
+ *
+ * Each EDID block contains a bitmap of the supported "established modes" list
+ * (defined above). Tease them out and add them to the global modes list.
+ */
+static int
+add_established_modes(struct drm_connector *connector, struct edid *edid)
+{
+ struct drm_device *dev = connector->dev;
+ unsigned long est_bits = edid->established_timings.t1 |
+ (edid->established_timings.t2 << 8) |
+ ((edid->established_timings.mfg_rsvd & 0x80) << 9);
+ int i, modes = 0;
+ struct detailed_mode_closure closure = {
+ .connector = connector,
+ .edid = edid,
+ };
+
+ for (i = 0; i <= EDID_EST_TIMINGS; i++) {
+ if (est_bits & (1<<i)) {
+ struct drm_display_mode *newmode;
+ newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
+ if (newmode) {
+ drm_mode_probed_add(connector, newmode);
+ modes++;
+ }
+ }
+ }
+
+ if (version_greater(edid, 1, 0))
+ drm_for_each_detailed_block((u8 *)edid,
+ do_established_modes, &closure);
+
+ return modes + closure.modes;
+}
+
+static void
+do_standard_modes(struct detailed_timing *timing, void *c)
+{
+ struct detailed_mode_closure *closure = c;
+ struct detailed_non_pixel *data = &timing->data.other_data;
+ struct drm_connector *connector = closure->connector;
+ struct edid *edid = closure->edid;
+
+ if (data->type == EDID_DETAIL_STD_MODES) {
+ int i;
+ for (i = 0; i < 6; i++) {
+ struct std_timing *std;
+ struct drm_display_mode *newmode;
+
+ std = &data->data.timings[i];
+ newmode = drm_mode_std(connector, edid, std);
+ if (newmode) {
+ drm_mode_probed_add(connector, newmode);
+ closure->modes++;
+ }
+ }
+ }
+}
+
+/**
+ * add_standard_modes - get std. modes from EDID and add them
+ * @connector: connector to add mode(s) to
+ * @edid: EDID block to scan
+ *
+ * Standard modes can be calculated using the appropriate standard (DMT,
+ * GTF or CVT. Grab them from @edid and add them to the list.
+ */
+static int
+add_standard_modes(struct drm_connector *connector, struct edid *edid)
+{
+ int i, modes = 0;
+ struct detailed_mode_closure closure = {
+ .connector = connector,
+ .edid = edid,
+ };
+
+ for (i = 0; i < EDID_STD_TIMINGS; i++) {
+ struct drm_display_mode *newmode;
+
+ newmode = drm_mode_std(connector, edid,
+ &edid->standard_timings[i]);
+ if (newmode) {
+ drm_mode_probed_add(connector, newmode);
+ modes++;
+ }
+ }
+
+ if (version_greater(edid, 1, 0))
+ drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
+ &closure);
+
+ /* XXX should also look for standard codes in VTB blocks */
+
+ return modes + closure.modes;
+}
+
+static int drm_cvt_modes(struct drm_connector *connector,
+ struct detailed_timing *timing)
+{
+ int i, j, modes = 0;
+ struct drm_display_mode *newmode;
+ struct drm_device *dev = connector->dev;
+ struct cvt_timing *cvt;
+ const int rates[] = { 60, 85, 75, 60, 50 };
+ const u8 empty[3] = { 0, 0, 0 };
+
+ for (i = 0; i < 4; i++) {
+ int uninitialized_var(width), height;
+ cvt = &(timing->data.other_data.data.cvt[i]);
+
+ if (!memcmp(cvt->code, empty, 3))
+ continue;
+
+ height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
+ switch (cvt->code[1] & 0x0c) {
+ case 0x00:
+ width = height * 4 / 3;
+ break;
+ case 0x04:
+ width = height * 16 / 9;
+ break;
+ case 0x08:
+ width = height * 16 / 10;
+ break;
+ case 0x0c:
+ width = height * 15 / 9;
+ break;
+ }
+
+ for (j = 1; j < 5; j++) {
+ if (cvt->code[2] & (1 << j)) {
+ newmode = drm_cvt_mode(dev, width, height,
+ rates[j], j == 0,
+ false, false);
+ if (newmode) {
+ drm_mode_probed_add(connector, newmode);
+ modes++;
+ }
+ }
+ }
+ }
+
+ return modes;
+}
+
+static void
+do_cvt_mode(struct detailed_timing *timing, void *c)
+{
+ struct detailed_mode_closure *closure = c;
+ struct detailed_non_pixel *data = &timing->data.other_data;
+
+ if (data->type == EDID_DETAIL_CVT_3BYTE)
+ closure->modes += drm_cvt_modes(closure->connector, timing);
+}
+
+static int
+add_cvt_modes(struct drm_connector *connector, struct edid *edid)
+{
+ struct detailed_mode_closure closure = {
+ .connector = connector,
+ .edid = edid,
+ };
+
+ if (version_greater(edid, 1, 2))
+ drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
+
+ /* XXX should also look for CVT codes in VTB blocks */
+
+ return closure.modes;
+}
+
+static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
+
+static void
+do_detailed_mode(struct detailed_timing *timing, void *c)
+{
+ struct detailed_mode_closure *closure = c;
+ struct drm_display_mode *newmode;
+
+ if (timing->pixel_clock) {
+ newmode = drm_mode_detailed(closure->connector->dev,
+ closure->edid, timing,
+ closure->quirks);
+ if (!newmode)
+ return;
+
+ if (closure->preferred)
+ newmode->type |= DRM_MODE_TYPE_PREFERRED;
+
+ /*
+ * Detailed modes are limited to 10kHz pixel clock resolution,
+ * so fix up anything that looks like CEA/HDMI mode, but the clock
+ * is just slightly off.
+ */
+ fixup_detailed_cea_mode_clock(newmode);
+
+ drm_mode_probed_add(closure->connector, newmode);
+ closure->modes++;
+ closure->preferred = false;
+ }
+}
+
+/*
+ * add_detailed_modes - Add modes from detailed timings
+ * @connector: attached connector
+ * @edid: EDID block to scan
+ * @quirks: quirks to apply
+ */
+static int
+add_detailed_modes(struct drm_connector *connector, struct edid *edid,
+ u32 quirks)
+{
+ struct detailed_mode_closure closure = {
+ .connector = connector,
+ .edid = edid,
+ .preferred = true,
+ .quirks = quirks,
+ };
+
+ if (closure.preferred && !version_greater(edid, 1, 3))
+ closure.preferred =
+ (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
+
+ drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
+
+ return closure.modes;
+}
+
+#define AUDIO_BLOCK 0x01
+#define VIDEO_BLOCK 0x02
+#define VENDOR_BLOCK 0x03
+#define SPEAKER_BLOCK 0x04
+#define USE_EXTENDED_TAG 0x07
+#define EXT_VIDEO_CAPABILITY_BLOCK 0x00
+#define EXT_VIDEO_DATA_BLOCK_420 0x0E
+#define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
+#define EDID_BASIC_AUDIO (1 << 6)
+#define EDID_CEA_YCRCB444 (1 << 5)
+#define EDID_CEA_YCRCB422 (1 << 4)
+#define EDID_CEA_VCDB_QS (1 << 6)
+
+/*
+ * Search EDID for CEA extension block.
+ */
+static u8 *drm_find_edid_extension(const struct edid *edid, int ext_id)
+{
+ u8 *edid_ext = NULL;
+ int i;
+
+ /* No EDID or EDID extensions */
+ if (edid == NULL || edid->extensions == 0)
+ return NULL;
+
+ /* Find CEA extension */
+ for (i = 0; i < edid->extensions; i++) {
+ edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
+ if (edid_ext[0] == ext_id)
+ break;
+ }
+
+ if (i == edid->extensions)
+ return NULL;
+
+ return edid_ext;
+}
+
+
+static u8 *drm_find_displayid_extension(const struct edid *edid)
+{
+ return drm_find_edid_extension(edid, DISPLAYID_EXT);
+}
+
+static u8 *drm_find_cea_extension(const struct edid *edid)
+{
+ int ret;
+ int idx = 1;
+ int length = EDID_LENGTH;
+ struct displayid_block *block;
+ u8 *cea;
+ u8 *displayid;
+
+ /* Look for a top level CEA extension block */
+ cea = drm_find_edid_extension(edid, CEA_EXT);
+ if (cea)
+ return cea;
+
+ /* CEA blocks can also be found embedded in a DisplayID block */
+ displayid = drm_find_displayid_extension(edid);
+ if (!displayid)
+ return NULL;
+
+ ret = validate_displayid(displayid, length, idx);
+ if (ret)
+ return NULL;
+
+ idx += sizeof(struct displayid_hdr);
+ for_each_displayid_db(displayid, block, idx, length) {
+ if (block->tag == DATA_BLOCK_CTA) {
+ cea = (u8 *)block;
+ break;
+ }
+ }
+
+ return cea;
+}
+
+/*
+ * Calculate the alternate clock for the CEA mode
+ * (60Hz vs. 59.94Hz etc.)
+ */
+static unsigned int
+cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
+{
+ unsigned int clock = cea_mode->clock;
+
+ if (cea_mode->vrefresh % 6 != 0)
+ return clock;
+
+ /*
+ * edid_cea_modes contains the 59.94Hz
+ * variant for 240 and 480 line modes,
+ * and the 60Hz variant otherwise.
+ */
+ if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
+ clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
+ else
+ clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
+
+ return clock;
+}
+
+static bool
+cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
+{
+ /*
+ * For certain VICs the spec allows the vertical
+ * front porch to vary by one or two lines.
+ *
+ * cea_modes[] stores the variant with the shortest
+ * vertical front porch. We can adjust the mode to
+ * get the other variants by simply increasing the
+ * vertical front porch length.
+ */
+ BUILD_BUG_ON(edid_cea_modes[8].vtotal != 262 ||
+ edid_cea_modes[9].vtotal != 262 ||
+ edid_cea_modes[12].vtotal != 262 ||
+ edid_cea_modes[13].vtotal != 262 ||
+ edid_cea_modes[23].vtotal != 312 ||
+ edid_cea_modes[24].vtotal != 312 ||
+ edid_cea_modes[27].vtotal != 312 ||
+ edid_cea_modes[28].vtotal != 312);
+
+ if (((vic == 8 || vic == 9 ||
+ vic == 12 || vic == 13) && mode->vtotal < 263) ||
+ ((vic == 23 || vic == 24 ||
+ vic == 27 || vic == 28) && mode->vtotal < 314)) {
+ mode->vsync_start++;
+ mode->vsync_end++;
+ mode->vtotal++;
+
+ return true;
+ }
+
+ return false;
+}
+
+static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
+ unsigned int clock_tolerance)
+{
+ unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
+ u8 vic;
+
+ if (!to_match->clock)
+ return 0;
+
+ if (to_match->picture_aspect_ratio)
+ match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
+
+ for (vic = 1; vic < ARRAY_SIZE(edid_cea_modes); vic++) {
+ struct drm_display_mode cea_mode = edid_cea_modes[vic];
+ unsigned int clock1, clock2;
+
+ /* Check both 60Hz and 59.94Hz */
+ clock1 = cea_mode.clock;
+ clock2 = cea_mode_alternate_clock(&cea_mode);
+
+ if (abs(to_match->clock - clock1) > clock_tolerance &&
+ abs(to_match->clock - clock2) > clock_tolerance)
+ continue;
+
+ do {
+ if (drm_mode_match(to_match, &cea_mode, match_flags))
+ return vic;
+ } while (cea_mode_alternate_timings(vic, &cea_mode));
+ }
+
+ return 0;
+}
+
+/**
+ * drm_match_cea_mode - look for a CEA mode matching given mode
+ * @to_match: display mode
+ *
+ * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
+ * mode.
+ */
+u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
+{
+ unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
+ u8 vic;
+
+ if (!to_match->clock)
+ return 0;
+
+ if (to_match->picture_aspect_ratio)
+ match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
+
+ for (vic = 1; vic < ARRAY_SIZE(edid_cea_modes); vic++) {
+ struct drm_display_mode cea_mode = edid_cea_modes[vic];
+ unsigned int clock1, clock2;
+
+ /* Check both 60Hz and 59.94Hz */
+ clock1 = cea_mode.clock;
+ clock2 = cea_mode_alternate_clock(&cea_mode);
+
+ if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
+ KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
+ continue;
+
+ do {
+ if (drm_mode_match(to_match, &cea_mode, match_flags))
+ return vic;
+ } while (cea_mode_alternate_timings(vic, &cea_mode));
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(drm_match_cea_mode);
+
+static bool drm_valid_cea_vic(u8 vic)
+{
+ return vic > 0 && vic < ARRAY_SIZE(edid_cea_modes);
+}
+
+/**
+ * drm_get_cea_aspect_ratio - get the picture aspect ratio corresponding to
+ * the input VIC from the CEA mode list
+ * @video_code: ID given to each of the CEA modes
+ *
+ * Returns picture aspect ratio
+ */
+enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
+{
+ return edid_cea_modes[video_code].picture_aspect_ratio;
+}
+EXPORT_SYMBOL(drm_get_cea_aspect_ratio);
+
+/*
+ * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
+ * specific block).
+ *
+ * It's almost like cea_mode_alternate_clock(), we just need to add an
+ * exception for the VIC 4 mode (4096x2160@24Hz): no alternate clock for this
+ * one.
+ */
+static unsigned int
+hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
+{
+ if (hdmi_mode->vdisplay == 4096 && hdmi_mode->hdisplay == 2160)
+ return hdmi_mode->clock;
+
+ return cea_mode_alternate_clock(hdmi_mode);
+}
+
+static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
+ unsigned int clock_tolerance)
+{
+ unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
+ u8 vic;
+
+ if (!to_match->clock)
+ return 0;
+
+ for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
+ const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
+ unsigned int clock1, clock2;
+
+ /* Make sure to also match alternate clocks */
+ clock1 = hdmi_mode->clock;
+ clock2 = hdmi_mode_alternate_clock(hdmi_mode);
+
+ if (abs(to_match->clock - clock1) > clock_tolerance &&
+ abs(to_match->clock - clock2) > clock_tolerance)
+ continue;
+
+ if (drm_mode_match(to_match, hdmi_mode, match_flags))
+ return vic;
+ }
+
+ return 0;
+}
+
+/*
+ * drm_match_hdmi_mode - look for a HDMI mode matching given mode
+ * @to_match: display mode
+ *
+ * An HDMI mode is one defined in the HDMI vendor specific block.
+ *
+ * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
+ */
+static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
+{
+ unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
+ u8 vic;
+
+ if (!to_match->clock)
+ return 0;
+
+ for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
+ const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
+ unsigned int clock1, clock2;
+
+ /* Make sure to also match alternate clocks */
+ clock1 = hdmi_mode->clock;
+ clock2 = hdmi_mode_alternate_clock(hdmi_mode);
+
+ if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
+ KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
+ drm_mode_match(to_match, hdmi_mode, match_flags))
+ return vic;
+ }
+ return 0;
+}
+
+static bool drm_valid_hdmi_vic(u8 vic)
+{
+ return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
+}
+
+static int
+add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_display_mode *mode, *tmp;
+ LIST_HEAD(list);
+ int modes = 0;
+
+ /* Don't add CEA modes if the CEA extension block is missing */
+ if (!drm_find_cea_extension(edid))
+ return 0;
+
+ /*
+ * Go through all probed modes and create a new mode
+ * with the alternate clock for certain CEA modes.
+ */
+ list_for_each_entry(mode, &connector->probed_modes, head) {
+ const struct drm_display_mode *cea_mode = NULL;
+ struct drm_display_mode *newmode;
+ u8 vic = drm_match_cea_mode(mode);
+ unsigned int clock1, clock2;
+
+ if (drm_valid_cea_vic(vic)) {
+ cea_mode = &edid_cea_modes[vic];
+ clock2 = cea_mode_alternate_clock(cea_mode);
+ } else {
+ vic = drm_match_hdmi_mode(mode);
+ if (drm_valid_hdmi_vic(vic)) {
+ cea_mode = &edid_4k_modes[vic];
+ clock2 = hdmi_mode_alternate_clock(cea_mode);
+ }
+ }
+
+ if (!cea_mode)
+ continue;
+
+ clock1 = cea_mode->clock;
+
+ if (clock1 == clock2)
+ continue;
+
+ if (mode->clock != clock1 && mode->clock != clock2)
+ continue;
+
+ newmode = drm_mode_duplicate(dev, cea_mode);
+ if (!newmode)
+ continue;
+
+ /* Carry over the stereo flags */
+ newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
+
+ /*
+ * The current mode could be either variant. Make
+ * sure to pick the "other" clock for the new mode.
+ */
+ if (mode->clock != clock1)
+ newmode->clock = clock1;
+ else
+ newmode->clock = clock2;
+
+ list_add_tail(&newmode->head, &list);
+ }
+
+ list_for_each_entry_safe(mode, tmp, &list, head) {
+ list_del(&mode->head);
+ drm_mode_probed_add(connector, mode);
+ modes++;
+ }
+
+ return modes;
+}
+
+static u8 svd_to_vic(u8 svd)
+{
+ /* 0-6 bit vic, 7th bit native mode indicator */
+ if ((svd >= 1 && svd <= 64) || (svd >= 129 && svd <= 192))
+ return svd & 127;
+
+ return svd;
+}
+
+static struct drm_display_mode *
+drm_display_mode_from_vic_index(struct drm_connector *connector,
+ const u8 *video_db, u8 video_len,
+ u8 video_index)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_display_mode *newmode;
+ u8 vic;
+
+ if (video_db == NULL || video_index >= video_len)
+ return NULL;
+
+ /* CEA modes are numbered 1..127 */
+ vic = svd_to_vic(video_db[video_index]);
+ if (!drm_valid_cea_vic(vic))
+ return NULL;
+
+ newmode = drm_mode_duplicate(dev, &edid_cea_modes[vic]);
+ if (!newmode)
+ return NULL;
+
+ newmode->vrefresh = 0;
+
+ return newmode;
+}
+
+/*
+ * do_y420vdb_modes - Parse YCBCR 420 only modes
+ * @connector: connector corresponding to the HDMI sink
+ * @svds: start of the data block of CEA YCBCR 420 VDB
+ * @len: length of the CEA YCBCR 420 VDB
+ *
+ * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
+ * which contains modes which can be supported in YCBCR 420
+ * output format only.
+ */
+static int do_y420vdb_modes(struct drm_connector *connector,
+ const u8 *svds, u8 svds_len)
+{
+ int modes = 0, i;
+ struct drm_device *dev = connector->dev;
+ struct drm_display_info *info = &connector->display_info;
+ struct drm_hdmi_info *hdmi = &info->hdmi;
+
+ for (i = 0; i < svds_len; i++) {
+ u8 vic = svd_to_vic(svds[i]);
+ struct drm_display_mode *newmode;
+
+ if (!drm_valid_cea_vic(vic))
+ continue;
+
+ newmode = drm_mode_duplicate(dev, &edid_cea_modes[vic]);
+ if (!newmode)
+ break;
+ bitmap_set(hdmi->y420_vdb_modes, vic, 1);
+ drm_mode_probed_add(connector, newmode);
+ modes++;
+ }
+
+ if (modes > 0)
+ info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
+ return modes;
+}
+
+/*
+ * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
+ * @connector: connector corresponding to the HDMI sink
+ * @vic: CEA vic for the video mode to be added in the map
+ *
+ * Makes an entry for a videomode in the YCBCR 420 bitmap
+ */
+static void
+drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
+{
+ u8 vic = svd_to_vic(svd);
+ struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
+
+ if (!drm_valid_cea_vic(vic))
+ return;
+
+ bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
+}
+
+static int
+do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
+{
+ int i, modes = 0;
+ struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
+
+ for (i = 0; i < len; i++) {
+ struct drm_display_mode *mode;
+ mode = drm_display_mode_from_vic_index(connector, db, len, i);
+ if (mode) {
+ /*
+ * YCBCR420 capability block contains a bitmap which
+ * gives the index of CEA modes from CEA VDB, which
+ * can support YCBCR 420 sampling output also (apart
+ * from RGB/YCBCR444 etc).
+ * For example, if the bit 0 in bitmap is set,
+ * first mode in VDB can support YCBCR420 output too.
+ * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
+ */
+ if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
+ drm_add_cmdb_modes(connector, db[i]);
+
+ drm_mode_probed_add(connector, mode);
+ modes++;
+ }
+ }
+
+ return modes;
+}
+
+struct stereo_mandatory_mode {
+ int width, height, vrefresh;
+ unsigned int flags;
+};
+
+static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
+ { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
+ { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
+ { 1920, 1080, 50,
+ DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
+ { 1920, 1080, 60,
+ DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
+ { 1280, 720, 50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
+ { 1280, 720, 50, DRM_MODE_FLAG_3D_FRAME_PACKING },
+ { 1280, 720, 60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
+ { 1280, 720, 60, DRM_MODE_FLAG_3D_FRAME_PACKING }
+};
+
+static bool
+stereo_match_mandatory(const struct drm_display_mode *mode,
+ const struct stereo_mandatory_mode *stereo_mode)
+{
+ unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
+
+ return mode->hdisplay == stereo_mode->width &&
+ mode->vdisplay == stereo_mode->height &&
+ interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
+ drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
+}
+
+static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ const struct drm_display_mode *mode;
+ struct list_head stereo_modes;
+ int modes = 0, i;
+
+ INIT_LIST_HEAD(&stereo_modes);
+
+ list_for_each_entry(mode, &connector->probed_modes, head) {
+ for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
+ const struct stereo_mandatory_mode *mandatory;
+ struct drm_display_mode *new_mode;
+
+ if (!stereo_match_mandatory(mode,
+ &stereo_mandatory_modes[i]))
+ continue;
+
+ mandatory = &stereo_mandatory_modes[i];
+ new_mode = drm_mode_duplicate(dev, mode);
+ if (!new_mode)
+ continue;
+
+ new_mode->flags |= mandatory->flags;
+ list_add_tail(&new_mode->head, &stereo_modes);
+ modes++;
+ }
+ }
+
+ list_splice_tail(&stereo_modes, &connector->probed_modes);
+
+ return modes;
+}
+
+static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_display_mode *newmode;
+
+ if (!drm_valid_hdmi_vic(vic)) {
+ DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
+ return 0;
+ }
+
+ newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
+ if (!newmode)
+ return 0;
+
+ drm_mode_probed_add(connector, newmode);
+
+ return 1;
+}
+
+static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
+ const u8 *video_db, u8 video_len, u8 video_index)
+{
+ struct drm_display_mode *newmode;
+ int modes = 0;
+
+ if (structure & (1 << 0)) {
+ newmode = drm_display_mode_from_vic_index(connector, video_db,
+ video_len,
+ video_index);
+ if (newmode) {
+ newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
+ drm_mode_probed_add(connector, newmode);
+ modes++;
+ }
+ }
+ if (structure & (1 << 6)) {
+ newmode = drm_display_mode_from_vic_index(connector, video_db,
+ video_len,
+ video_index);
+ if (newmode) {
+ newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
+ drm_mode_probed_add(connector, newmode);
+ modes++;
+ }
+ }
+ if (structure & (1 << 8)) {
+ newmode = drm_display_mode_from_vic_index(connector, video_db,
+ video_len,
+ video_index);
+ if (newmode) {
+ newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
+ drm_mode_probed_add(connector, newmode);
+ modes++;
+ }
+ }
+
+ return modes;
+}
+
+/*
+ * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
+ * @connector: connector corresponding to the HDMI sink
+ * @db: start of the CEA vendor specific block
+ * @len: length of the CEA block payload, ie. one can access up to db[len]
+ *
+ * Parses the HDMI VSDB looking for modes to add to @connector. This function
+ * also adds the stereo 3d modes when applicable.
+ */
+static int
+do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
+ const u8 *video_db, u8 video_len)
+{
+ struct drm_display_info *info = &connector->display_info;
+ int modes = 0, offset = 0, i, multi_present = 0, multi_len;
+ u8 vic_len, hdmi_3d_len = 0;
+ u16 mask;
+ u16 structure_all;
+
+ if (len < 8)
+ goto out;
+
+ /* no HDMI_Video_Present */
+ if (!(db[8] & (1 << 5)))
+ goto out;
+
+ /* Latency_Fields_Present */
+ if (db[8] & (1 << 7))
+ offset += 2;
+
+ /* I_Latency_Fields_Present */
+ if (db[8] & (1 << 6))
+ offset += 2;
+
+ /* the declared length is not long enough for the 2 first bytes
+ * of additional video format capabilities */
+ if (len < (8 + offset + 2))
+ goto out;
+
+ /* 3D_Present */
+ offset++;
+ if (db[8 + offset] & (1 << 7)) {
+ modes += add_hdmi_mandatory_stereo_modes(connector);
+
+ /* 3D_Multi_present */
+ multi_present = (db[8 + offset] & 0x60) >> 5;
+ }
+
+ offset++;
+ vic_len = db[8 + offset] >> 5;
+ hdmi_3d_len = db[8 + offset] & 0x1f;
+
+ for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
+ u8 vic;
+
+ vic = db[9 + offset + i];
+ modes += add_hdmi_mode(connector, vic);
+ }
+ offset += 1 + vic_len;
+
+ if (multi_present == 1)
+ multi_len = 2;
+ else if (multi_present == 2)
+ multi_len = 4;
+ else
+ multi_len = 0;
+
+ if (len < (8 + offset + hdmi_3d_len - 1))
+ goto out;
+
+ if (hdmi_3d_len < multi_len)
+ goto out;
+
+ if (multi_present == 1 || multi_present == 2) {
+ /* 3D_Structure_ALL */
+ structure_all = (db[8 + offset] << 8) | db[9 + offset];
+
+ /* check if 3D_MASK is present */
+ if (multi_present == 2)
+ mask = (db[10 + offset] << 8) | db[11 + offset];
+ else
+ mask = 0xffff;
+
+ for (i = 0; i < 16; i++) {
+ if (mask & (1 << i))
+ modes += add_3d_struct_modes(connector,
+ structure_all,
+ video_db,
+ video_len, i);
+ }
+ }
+
+ offset += multi_len;
+
+ for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
+ int vic_index;
+ struct drm_display_mode *newmode = NULL;
+ unsigned int newflag = 0;
+ bool detail_present;
+
+ detail_present = ((db[8 + offset + i] & 0x0f) > 7);
+
+ if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
+ break;
+
+ /* 2D_VIC_order_X */
+ vic_index = db[8 + offset + i] >> 4;
+
+ /* 3D_Structure_X */
+ switch (db[8 + offset + i] & 0x0f) {
+ case 0:
+ newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
+ break;
+ case 6:
+ newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
+ break;
+ case 8:
+ /* 3D_Detail_X */
+ if ((db[9 + offset + i] >> 4) == 1)
+ newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
+ break;
+ }
+
+ if (newflag != 0) {
+ newmode = drm_display_mode_from_vic_index(connector,
+ video_db,
+ video_len,
+ vic_index);
+
+ if (newmode) {
+ newmode->flags |= newflag;
+ drm_mode_probed_add(connector, newmode);
+ modes++;
+ }
+ }
+
+ if (detail_present)
+ i++;
+ }
+
+out:
+ if (modes > 0)
+ info->has_hdmi_infoframe = true;
+ return modes;
+}
+
+static int
+cea_db_payload_len(const u8 *db)
+{
+ return db[0] & 0x1f;
+}
+
+static int
+cea_db_extended_tag(const u8 *db)
+{
+ return db[1];
+}
+
+static int
+cea_db_tag(const u8 *db)
+{
+ return db[0] >> 5;
+}
+
+static int
+cea_revision(const u8 *cea)
+{
+ return cea[1];
+}
+
+static int
+cea_db_offsets(const u8 *cea, int *start, int *end)
+{
+ /* DisplayID CTA extension blocks and top-level CEA EDID
+ * block header definitions differ in the following bytes:
+ * 1) Byte 2 of the header specifies length differently,
+ * 2) Byte 3 is only present in the CEA top level block.
+ *
+ * The different definitions for byte 2 follow.
+ *
+ * DisplayID CTA extension block defines byte 2 as:
+ * Number of payload bytes
+ *
+ * CEA EDID block defines byte 2 as:
+ * Byte number (decimal) within this block where the 18-byte
+ * DTDs begin. If no non-DTD data is present in this extension
+ * block, the value should be set to 04h (the byte after next).
+ * If set to 00h, there are no DTDs present in this block and
+ * no non-DTD data.
+ */
+ if (cea[0] == DATA_BLOCK_CTA) {
+ *start = 3;
+ *end = *start + cea[2];
+ } else if (cea[0] == CEA_EXT) {
+ /* Data block offset in CEA extension block */
+ *start = 4;
+ *end = cea[2];
+ if (*end == 0)
+ *end = 127;
+ if (*end < 4 || *end > 127)
+ return -ERANGE;
+ } else {
+ return -ENOTSUPP;
+ }
+
+ return 0;
+}
+
+static bool cea_db_is_hdmi_vsdb(const u8 *db)
+{
+ int hdmi_id;
+
+ if (cea_db_tag(db) != VENDOR_BLOCK)
+ return false;
+
+ if (cea_db_payload_len(db) < 5)
+ return false;
+
+ hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
+
+ return hdmi_id == HDMI_IEEE_OUI;
+}
+
+static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
+{
+ unsigned int oui;
+
+ if (cea_db_tag(db) != VENDOR_BLOCK)
+ return false;
+
+ if (cea_db_payload_len(db) < 7)
+ return false;
+
+ oui = db[3] << 16 | db[2] << 8 | db[1];
+
+ return oui == HDMI_FORUM_IEEE_OUI;
+}
+
+static bool cea_db_is_y420cmdb(const u8 *db)
+{
+ if (cea_db_tag(db) != USE_EXTENDED_TAG)
+ return false;
+
+ if (!cea_db_payload_len(db))
+ return false;
+
+ if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
+ return false;
+
+ return true;
+}
+
+static bool cea_db_is_y420vdb(const u8 *db)
+{
+ if (cea_db_tag(db) != USE_EXTENDED_TAG)
+ return false;
+
+ if (!cea_db_payload_len(db))
+ return false;
+
+ if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
+ return false;
+
+ return true;
+}
+
+#define for_each_cea_db(cea, i, start, end) \
+ for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
+
+static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
+ const u8 *db)
+{
+ struct drm_display_info *info = &connector->display_info;
+ struct drm_hdmi_info *hdmi = &info->hdmi;
+ u8 map_len = cea_db_payload_len(db) - 1;
+ u8 count;
+ u64 map = 0;
+
+ if (map_len == 0) {
+ /* All CEA modes support ycbcr420 sampling also.*/
+ hdmi->y420_cmdb_map = U64_MAX;
+ info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
+ return;
+ }
+
+ /*
+ * This map indicates which of the existing CEA block modes
+ * from VDB can support YCBCR420 output too. So if bit=0 is
+ * set, first mode from VDB can support YCBCR420 output too.
+ * We will parse and keep this map, before parsing VDB itself
+ * to avoid going through the same block again and again.
+ *
+ * Spec is not clear about max possible size of this block.
+ * Clamping max bitmap block size at 8 bytes. Every byte can
+ * address 8 CEA modes, in this way this map can address
+ * 8*8 = first 64 SVDs.
+ */
+ if (WARN_ON_ONCE(map_len > 8))
+ map_len = 8;
+
+ for (count = 0; count < map_len; count++)
+ map |= (u64)db[2 + count] << (8 * count);
+
+ if (map)
+ info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
+
+ hdmi->y420_cmdb_map = map;
+}
+
+static int
+add_cea_modes(struct drm_connector *connector, struct edid *edid)
+{
+ const u8 *cea = drm_find_cea_extension(edid);
+ const u8 *db, *hdmi = NULL, *video = NULL;
+ u8 dbl, hdmi_len, video_len = 0;
+ int modes = 0;
+
+ if (cea && cea_revision(cea) >= 3) {
+ int i, start, end;
+
+ if (cea_db_offsets(cea, &start, &end))
+ return 0;
+
+ for_each_cea_db(cea, i, start, end) {
+ db = &cea[i];
+ dbl = cea_db_payload_len(db);
+
+ if (cea_db_tag(db) == VIDEO_BLOCK) {
+ video = db + 1;
+ video_len = dbl;
+ modes += do_cea_modes(connector, video, dbl);
+ } else if (cea_db_is_hdmi_vsdb(db)) {
+ hdmi = db;
+ hdmi_len = dbl;
+ } else if (cea_db_is_y420vdb(db)) {
+ const u8 *vdb420 = &db[2];
+
+ /* Add 4:2:0(only) modes present in EDID */
+ modes += do_y420vdb_modes(connector,
+ vdb420,
+ dbl - 1);
+ }
+ }
+ }
+
+ /*
+ * We parse the HDMI VSDB after having added the cea modes as we will
+ * be patching their flags when the sink supports stereo 3D.
+ */
+ if (hdmi)
+ modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
+ video_len);
+
+ return modes;
+}
+
+static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
+{
+ const struct drm_display_mode *cea_mode;
+ int clock1, clock2, clock;
+ u8 vic;
+ const char *type;
+
+ /*
+ * allow 5kHz clock difference either way to account for
+ * the 10kHz clock resolution limit of detailed timings.
+ */
+ vic = drm_match_cea_mode_clock_tolerance(mode, 5);
+ if (drm_valid_cea_vic(vic)) {
+ type = "CEA";
+ cea_mode = &edid_cea_modes[vic];
+ clock1 = cea_mode->clock;
+ clock2 = cea_mode_alternate_clock(cea_mode);
+ } else {
+ vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
+ if (drm_valid_hdmi_vic(vic)) {
+ type = "HDMI";
+ cea_mode = &edid_4k_modes[vic];
+ clock1 = cea_mode->clock;
+ clock2 = hdmi_mode_alternate_clock(cea_mode);
+ } else {
+ return;
+ }
+ }
+
+ /* pick whichever is closest */
+ if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
+ clock = clock1;
+ else
+ clock = clock2;
+
+ if (mode->clock == clock)
+ return;
+
+ DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
+ type, vic, mode->clock, clock);
+ mode->clock = clock;
+}
+
+static void
+drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
+{
+ u8 len = cea_db_payload_len(db);
+
+ if (len >= 6 && (db[6] & (1 << 7)))
+ connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
+ if (len >= 8) {
+ connector->latency_present[0] = db[8] >> 7;
+ connector->latency_present[1] = (db[8] >> 6) & 1;
+ }
+ if (len >= 9)
+ connector->video_latency[0] = db[9];
+ if (len >= 10)
+ connector->audio_latency[0] = db[10];
+ if (len >= 11)
+ connector->video_latency[1] = db[11];
+ if (len >= 12)
+ connector->audio_latency[1] = db[12];
+
+ DRM_DEBUG_KMS("HDMI: latency present %d %d, "
+ "video latency %d %d, "
+ "audio latency %d %d\n",
+ connector->latency_present[0],
+ connector->latency_present[1],
+ connector->video_latency[0],
+ connector->video_latency[1],
+ connector->audio_latency[0],
+ connector->audio_latency[1]);
+}
+
+static void
+monitor_name(struct detailed_timing *t, void *data)
+{
+ if (t->data.other_data.type == EDID_DETAIL_MONITOR_NAME)
+ *(u8 **)data = t->data.other_data.data.str.str;
+}
+
+static int get_monitor_name(struct edid *edid, char name[13])
+{
+ char *edid_name = NULL;
+ int mnl;
+
+ if (!edid || !name)
+ return 0;
+
+ drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
+ for (mnl = 0; edid_name && mnl < 13; mnl++) {
+ if (edid_name[mnl] == 0x0a)
+ break;
+
+ name[mnl] = edid_name[mnl];
+ }
+
+ return mnl;
+}
+
+/**
+ * drm_edid_get_monitor_name - fetch the monitor name from the edid
+ * @edid: monitor EDID information
+ * @name: pointer to a character array to hold the name of the monitor
+ * @bufsize: The size of the name buffer (should be at least 14 chars.)
+ *
+ */
+void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
+{
+ int name_length;
+ char buf[13];
+
+ if (bufsize <= 0)
+ return;
+
+ name_length = min(get_monitor_name(edid, buf), bufsize - 1);
+ memcpy(name, buf, name_length);
+ name[name_length] = '\0';
+}
+EXPORT_SYMBOL(drm_edid_get_monitor_name);
+
+static void clear_eld(struct drm_connector *connector)
+{
+ memset(connector->eld, 0, sizeof(connector->eld));
+
+ connector->latency_present[0] = false;
+ connector->latency_present[1] = false;
+ connector->video_latency[0] = 0;
+ connector->audio_latency[0] = 0;
+ connector->video_latency[1] = 0;
+ connector->audio_latency[1] = 0;
+}
+
+/*
+ * drm_edid_to_eld - build ELD from EDID
+ * @connector: connector corresponding to the HDMI/DP sink
+ * @edid: EDID to parse
+ *
+ * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
+ * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
+ */
+static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
+{
+ uint8_t *eld = connector->eld;
+ u8 *cea;
+ u8 *db;
+ int total_sad_count = 0;
+ int mnl;
+ int dbl;
+
+ clear_eld(connector);
+
+ if (!edid)
+ return;
+
+ cea = drm_find_cea_extension(edid);
+ if (!cea) {
+ DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
+ return;
+ }
+
+ mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
+ DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
+
+ eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
+ eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
+
+ eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
+
+ eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
+ eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
+ eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
+ eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
+
+ if (cea_revision(cea) >= 3) {
+ int i, start, end;
+
+ if (cea_db_offsets(cea, &start, &end)) {
+ start = 0;
+ end = 0;
+ }
+
+ for_each_cea_db(cea, i, start, end) {
+ db = &cea[i];
+ dbl = cea_db_payload_len(db);
+
+ switch (cea_db_tag(db)) {
+ int sad_count;
+
+ case AUDIO_BLOCK:
+ /* Audio Data Block, contains SADs */
+ sad_count = min(dbl / 3, 15 - total_sad_count);
+ if (sad_count >= 1)
+ memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
+ &db[1], sad_count * 3);
+ total_sad_count += sad_count;
+ break;
+ case SPEAKER_BLOCK:
+ /* Speaker Allocation Data Block */
+ if (dbl >= 1)
+ eld[DRM_ELD_SPEAKER] = db[1];
+ break;
+ case VENDOR_BLOCK:
+ /* HDMI Vendor-Specific Data Block */
+ if (cea_db_is_hdmi_vsdb(db))
+ drm_parse_hdmi_vsdb_audio(connector, db);
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
+
+ if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
+ connector->connector_type == DRM_MODE_CONNECTOR_eDP)
+ eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
+ else
+ eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
+
+ eld[DRM_ELD_BASELINE_ELD_LEN] =
+ DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
+
+ DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
+ drm_eld_size(eld), total_sad_count);
+}
+
+/**
+ * drm_edid_to_sad - extracts SADs from EDID
+ * @edid: EDID to parse
+ * @sads: pointer that will be set to the extracted SADs
+ *
+ * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
+ *
+ * Note: The returned pointer needs to be freed using kfree().
+ *
+ * Return: The number of found SADs or negative number on error.
+ */
+int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
+{
+ int count = 0;
+ int i, start, end, dbl;
+ u8 *cea;
+
+ cea = drm_find_cea_extension(edid);
+ if (!cea) {
+ DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
+ return -ENOENT;
+ }
+
+ if (cea_revision(cea) < 3) {
+ DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
+ return -ENOTSUPP;
+ }
+
+ if (cea_db_offsets(cea, &start, &end)) {
+ DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
+ return -EPROTO;
+ }
+
+ for_each_cea_db(cea, i, start, end) {
+ u8 *db = &cea[i];
+
+ if (cea_db_tag(db) == AUDIO_BLOCK) {
+ int j;
+ dbl = cea_db_payload_len(db);
+
+ count = dbl / 3; /* SAD is 3B */
+ *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
+ if (!*sads)
+ return -ENOMEM;
+ for (j = 0; j < count; j++) {
+ u8 *sad = &db[1 + j * 3];
+
+ (*sads)[j].format = (sad[0] & 0x78) >> 3;
+ (*sads)[j].channels = sad[0] & 0x7;
+ (*sads)[j].freq = sad[1] & 0x7F;
+ (*sads)[j].byte2 = sad[2];
+ }
+ break;
+ }
+ }
+
+ return count;
+}
+EXPORT_SYMBOL(drm_edid_to_sad);
+
+/**
+ * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
+ * @edid: EDID to parse
+ * @sadb: pointer to the speaker block
+ *
+ * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
+ *
+ * Note: The returned pointer needs to be freed using kfree().
+ *
+ * Return: The number of found Speaker Allocation Blocks or negative number on
+ * error.
+ */
+int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
+{
+ int count = 0;
+ int i, start, end, dbl;
+ const u8 *cea;
+
+ cea = drm_find_cea_extension(edid);
+ if (!cea) {
+ DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
+ return -ENOENT;
+ }
+
+ if (cea_revision(cea) < 3) {
+ DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
+ return -ENOTSUPP;
+ }
+
+ if (cea_db_offsets(cea, &start, &end)) {
+ DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
+ return -EPROTO;
+ }
+
+ for_each_cea_db(cea, i, start, end) {
+ const u8 *db = &cea[i];
+
+ if (cea_db_tag(db) == SPEAKER_BLOCK) {
+ dbl = cea_db_payload_len(db);
+
+ /* Speaker Allocation Data Block */
+ if (dbl == 3) {
+ *sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
+ if (!*sadb)
+ return -ENOMEM;
+ count = dbl;
+ break;
+ }
+ }
+ }
+
+ return count;
+}
+EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
+
+/**
+ * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
+ * @connector: connector associated with the HDMI/DP sink
+ * @mode: the display mode
+ *
+ * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
+ * the sink doesn't support audio or video.
+ */
+int drm_av_sync_delay(struct drm_connector *connector,
+ const struct drm_display_mode *mode)
+{
+ int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
+ int a, v;
+
+ if (!connector->latency_present[0])
+ return 0;
+ if (!connector->latency_present[1])
+ i = 0;
+
+ a = connector->audio_latency[i];
+ v = connector->video_latency[i];
+
+ /*
+ * HDMI/DP sink doesn't support audio or video?
+ */
+ if (a == 255 || v == 255)
+ return 0;
+
+ /*
+ * Convert raw EDID values to millisecond.
+ * Treat unknown latency as 0ms.
+ */
+ if (a)
+ a = min(2 * (a - 1), 500);
+ if (v)
+ v = min(2 * (v - 1), 500);
+
+ return max(v - a, 0);
+}
+EXPORT_SYMBOL(drm_av_sync_delay);
+
+/**
+ * drm_detect_hdmi_monitor - detect whether monitor is HDMI
+ * @edid: monitor EDID information
+ *
+ * Parse the CEA extension according to CEA-861-B.
+ *
+ * Return: True if the monitor is HDMI, false if not or unknown.
+ */
+bool drm_detect_hdmi_monitor(struct edid *edid)
+{
+ u8 *edid_ext;
+ int i;
+ int start_offset, end_offset;
+
+ edid_ext = drm_find_cea_extension(edid);
+ if (!edid_ext)
+ return false;
+
+ if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
+ return false;
+
+ /*
+ * Because HDMI identifier is in Vendor Specific Block,
+ * search it from all data blocks of CEA extension.
+ */
+ for_each_cea_db(edid_ext, i, start_offset, end_offset) {
+ if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
+ return true;
+ }
+
+ return false;
+}
+EXPORT_SYMBOL(drm_detect_hdmi_monitor);
+
+/**
+ * drm_detect_monitor_audio - check monitor audio capability
+ * @edid: EDID block to scan
+ *
+ * Monitor should have CEA extension block.
+ * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
+ * audio' only. If there is any audio extension block and supported
+ * audio format, assume at least 'basic audio' support, even if 'basic
+ * audio' is not defined in EDID.
+ *
+ * Return: True if the monitor supports audio, false otherwise.
+ */
+bool drm_detect_monitor_audio(struct edid *edid)
+{
+ u8 *edid_ext;
+ int i, j;
+ bool has_audio = false;
+ int start_offset, end_offset;
+
+ edid_ext = drm_find_cea_extension(edid);
+ if (!edid_ext)
+ goto end;
+
+ has_audio = (edid_ext[0] == CEA_EXT &&
+ (edid_ext[3] & EDID_BASIC_AUDIO) != 0);
+
+ if (has_audio) {
+ DRM_DEBUG_KMS("Monitor has basic audio support\n");
+ goto end;
+ }
+
+ if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
+ goto end;
+
+ for_each_cea_db(edid_ext, i, start_offset, end_offset) {
+ if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
+ has_audio = true;
+ for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
+ DRM_DEBUG_KMS("CEA audio format %d\n",
+ (edid_ext[i + j] >> 3) & 0xf);
+ goto end;
+ }
+ }
+end:
+ return has_audio;
+}
+EXPORT_SYMBOL(drm_detect_monitor_audio);
+
+/**
+ * drm_rgb_quant_range_selectable - is RGB quantization range selectable?
+ * @edid: EDID block to scan
+ *
+ * Check whether the monitor reports the RGB quantization range selection
+ * as supported. The AVI infoframe can then be used to inform the monitor
+ * which quantization range (full or limited) is used.
+ *
+ * Return: True if the RGB quantization range is selectable, false otherwise.
+ */
+bool drm_rgb_quant_range_selectable(struct edid *edid)
+{
+ u8 *edid_ext;
+ int i, start, end;
+
+ edid_ext = drm_find_cea_extension(edid);
+ if (!edid_ext)
+ return false;
+
+ if (cea_db_offsets(edid_ext, &start, &end))
+ return false;
+
+ for_each_cea_db(edid_ext, i, start, end) {
+ if (cea_db_tag(&edid_ext[i]) == USE_EXTENDED_TAG &&
+ cea_db_payload_len(&edid_ext[i]) == 2 &&
+ cea_db_extended_tag(&edid_ext[i]) ==
+ EXT_VIDEO_CAPABILITY_BLOCK) {
+ DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", edid_ext[i + 2]);
+ return edid_ext[i + 2] & EDID_CEA_VCDB_QS;
+ }
+ }
+
+ return false;
+}
+EXPORT_SYMBOL(drm_rgb_quant_range_selectable);
+
+/**
+ * drm_default_rgb_quant_range - default RGB quantization range
+ * @mode: display mode
+ *
+ * Determine the default RGB quantization range for the mode,
+ * as specified in CEA-861.
+ *
+ * Return: The default RGB quantization range for the mode
+ */
+enum hdmi_quantization_range
+drm_default_rgb_quant_range(const struct drm_display_mode *mode)
+{
+ /* All CEA modes other than VIC 1 use limited quantization range. */
+ return drm_match_cea_mode(mode) > 1 ?
+ HDMI_QUANTIZATION_RANGE_LIMITED :
+ HDMI_QUANTIZATION_RANGE_FULL;
+}
+EXPORT_SYMBOL(drm_default_rgb_quant_range);
+
+static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
+ const u8 *db)
+{
+ u8 dc_mask;
+ struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
+
+ dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
+ hdmi->y420_dc_modes = dc_mask;
+}
+
+static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
+ const u8 *hf_vsdb)
+{
+ struct drm_display_info *display = &connector->display_info;
+ struct drm_hdmi_info *hdmi = &display->hdmi;
+
+ display->has_hdmi_infoframe = true;
+
+ if (hf_vsdb[6] & 0x80) {
+ hdmi->scdc.supported = true;
+ if (hf_vsdb[6] & 0x40)
+ hdmi->scdc.read_request = true;
+ }
+
+ /*
+ * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
+ * And as per the spec, three factors confirm this:
+ * * Availability of a HF-VSDB block in EDID (check)
+ * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
+ * * SCDC support available (let's check)
+ * Lets check it out.
+ */
+
+ if (hf_vsdb[5]) {
+ /* max clock is 5000 KHz times block value */
+ u32 max_tmds_clock = hf_vsdb[5] * 5000;
+ struct drm_scdc *scdc = &hdmi->scdc;
+
+ if (max_tmds_clock > 340000) {
+ display->max_tmds_clock = max_tmds_clock;
+ DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
+ display->max_tmds_clock);
+ }
+
+ if (scdc->supported) {
+ scdc->scrambling.supported = true;
+
+ /* Few sinks support scrambling for cloks < 340M */
+ if ((hf_vsdb[6] & 0x8))
+ scdc->scrambling.low_rates = true;
+ }
+ }
+
+ drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
+}
+
+static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
+ const u8 *hdmi)
+{
+ struct drm_display_info *info = &connector->display_info;
+ unsigned int dc_bpc = 0;
+
+ /* HDMI supports at least 8 bpc */
+ info->bpc = 8;
+
+ if (cea_db_payload_len(hdmi) < 6)
+ return;
+
+ if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
+ dc_bpc = 10;
+ info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
+ DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
+ connector->name);
+ }
+
+ if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
+ dc_bpc = 12;
+ info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
+ DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
+ connector->name);
+ }
+
+ if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
+ dc_bpc = 16;
+ info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
+ DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
+ connector->name);
+ }
+
+ if (dc_bpc == 0) {
+ DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
+ connector->name);
+ return;
+ }
+
+ DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
+ connector->name, dc_bpc);
+ info->bpc = dc_bpc;
+
+ /* YCRCB444 is optional according to spec. */
+ if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
+ DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
+ connector->name);
+ }
+
+ /*
+ * Spec says that if any deep color mode is supported at all,
+ * then deep color 36 bit must be supported.
+ */
+ if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
+ DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
+ connector->name);
+ }
+}
+
+static void
+drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
+{
+ struct drm_display_info *info = &connector->display_info;
+ u8 len = cea_db_payload_len(db);
+
+ if (len >= 6)
+ info->dvi_dual = db[6] & 1;
+ if (len >= 7)
+ info->max_tmds_clock = db[7] * 5000;
+
+ DRM_DEBUG_KMS("HDMI: DVI dual %d, "
+ "max TMDS clock %d kHz\n",
+ info->dvi_dual,
+ info->max_tmds_clock);
+
+ drm_parse_hdmi_deep_color_info(connector, db);
+}
+
+static void drm_parse_cea_ext(struct drm_connector *connector,
+ const struct edid *edid)
+{
+ struct drm_display_info *info = &connector->display_info;
+ const u8 *edid_ext;
+ int i, start, end;
+
+ edid_ext = drm_find_cea_extension(edid);
+ if (!edid_ext)
+ return;
+
+ info->cea_rev = edid_ext[1];
+
+ /* The existence of a CEA block should imply RGB support */
+ info->color_formats = DRM_COLOR_FORMAT_RGB444;
+ if (edid_ext[3] & EDID_CEA_YCRCB444)
+ info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
+ if (edid_ext[3] & EDID_CEA_YCRCB422)
+ info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
+
+ if (cea_db_offsets(edid_ext, &start, &end))
+ return;
+
+ for_each_cea_db(edid_ext, i, start, end) {
+ const u8 *db = &edid_ext[i];
+
+ if (cea_db_is_hdmi_vsdb(db))
+ drm_parse_hdmi_vsdb_video(connector, db);
+ if (cea_db_is_hdmi_forum_vsdb(db))
+ drm_parse_hdmi_forum_vsdb(connector, db);
+ if (cea_db_is_y420cmdb(db))
+ drm_parse_y420cmdb_bitmap(connector, db);
+ }
+}
+
+/* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
+ * all of the values which would have been set from EDID
+ */
+void
+drm_reset_display_info(struct drm_connector *connector)
+{
+ struct drm_display_info *info = &connector->display_info;
+
+ info->width_mm = 0;
+ info->height_mm = 0;
+
+ info->bpc = 0;
+ info->color_formats = 0;
+ info->cea_rev = 0;
+ info->max_tmds_clock = 0;
+ info->dvi_dual = false;
+ info->has_hdmi_infoframe = false;
+ memset(&info->hdmi, 0, sizeof(info->hdmi));
+
+ info->non_desktop = 0;
+}
+
+u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
+{
+ struct drm_display_info *info = &connector->display_info;
+
+ u32 quirks = edid_get_quirks(edid);
+
+ drm_reset_display_info(connector);
+
+ info->width_mm = edid->width_cm * 10;
+ info->height_mm = edid->height_cm * 10;
+
+ info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
+
+ DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
+
+ if (edid->revision < 3)
+ return quirks;
+
+ if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
+ return quirks;
+
+ info->color_formats |= DRM_COLOR_FORMAT_RGB444;
+ drm_parse_cea_ext(connector, edid);
+
+ /*
+ * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
+ *
+ * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
+ * tells us to assume 8 bpc color depth if the EDID doesn't have
+ * extensions which tell otherwise.
+ */
+ if ((info->bpc == 0) && (edid->revision < 4) &&
+ (edid->input & DRM_EDID_DIGITAL_TYPE_DVI)) {
+ info->bpc = 8;
+ DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
+ connector->name, info->bpc);
+ }
+
+ /* Only defined for 1.4 with digital displays */
+ if (edid->revision < 4)
+ return quirks;
+
+ switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
+ case DRM_EDID_DIGITAL_DEPTH_6:
+ info->bpc = 6;
+ break;
+ case DRM_EDID_DIGITAL_DEPTH_8:
+ info->bpc = 8;
+ break;
+ case DRM_EDID_DIGITAL_DEPTH_10:
+ info->bpc = 10;
+ break;
+ case DRM_EDID_DIGITAL_DEPTH_12:
+ info->bpc = 12;
+ break;
+ case DRM_EDID_DIGITAL_DEPTH_14:
+ info->bpc = 14;
+ break;
+ case DRM_EDID_DIGITAL_DEPTH_16:
+ info->bpc = 16;
+ break;
+ case DRM_EDID_DIGITAL_DEPTH_UNDEF:
+ default:
+ info->bpc = 0;
+ break;
+ }
+
+ DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
+ connector->name, info->bpc);
+
+ if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
+ info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
+ if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
+ info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
+ return quirks;
+}
+
+static int validate_displayid(u8 *displayid, int length, int idx)
+{
+ int i;
+ u8 csum = 0;
+ struct displayid_hdr *base;
+
+ base = (struct displayid_hdr *)&displayid[idx];
+
+ DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n",
+ base->rev, base->bytes, base->prod_id, base->ext_count);
+
+ if (base->bytes + 5 > length - idx)
+ return -EINVAL;
+ for (i = idx; i <= base->bytes + 5; i++) {
+ csum += displayid[i];
+ }
+ if (csum) {
+ DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
+ struct displayid_detailed_timings_1 *timings)
+{
+ struct drm_display_mode *mode;
+ unsigned pixel_clock = (timings->pixel_clock[0] |
+ (timings->pixel_clock[1] << 8) |
+ (timings->pixel_clock[2] << 16)) + 1;
+ unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
+ unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
+ unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
+ unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
+ unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
+ unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
+ unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
+ unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
+ bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
+ bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
+ mode = drm_mode_create(dev);
+ if (!mode)
+ return NULL;
+
+ mode->clock = pixel_clock * 10;
+ mode->hdisplay = hactive;
+ mode->hsync_start = mode->hdisplay + hsync;
+ mode->hsync_end = mode->hsync_start + hsync_width;
+ mode->htotal = mode->hdisplay + hblank;
+
+ mode->vdisplay = vactive;
+ mode->vsync_start = mode->vdisplay + vsync;
+ mode->vsync_end = mode->vsync_start + vsync_width;
+ mode->vtotal = mode->vdisplay + vblank;
+
+ mode->flags = 0;
+ mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
+ mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
+ mode->type = DRM_MODE_TYPE_DRIVER;
+
+ if (timings->flags & 0x80)
+ mode->type |= DRM_MODE_TYPE_PREFERRED;
+ mode->vrefresh = drm_mode_vrefresh(mode);
+ drm_mode_set_name(mode);
+
+ return mode;
+}
+
+static int add_displayid_detailed_1_modes(struct drm_connector *connector,
+ struct displayid_block *block)
+{
+ struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
+ int i;
+ int num_timings;
+ struct drm_display_mode *newmode;
+ int num_modes = 0;
+ /* blocks must be multiple of 20 bytes length */
+ if (block->num_bytes % 20)
+ return 0;
+
+ num_timings = block->num_bytes / 20;
+ for (i = 0; i < num_timings; i++) {
+ struct displayid_detailed_timings_1 *timings = &det->timings[i];
+
+ newmode = drm_mode_displayid_detailed(connector->dev, timings);
+ if (!newmode)
+ continue;
+
+ drm_mode_probed_add(connector, newmode);
+ num_modes++;
+ }
+ return num_modes;
+}
+
+static int add_displayid_detailed_modes(struct drm_connector *connector,
+ struct edid *edid)
+{
+ u8 *displayid;
+ int ret;
+ int idx = 1;
+ int length = EDID_LENGTH;
+ struct displayid_block *block;
+ int num_modes = 0;
+
+ displayid = drm_find_displayid_extension(edid);
+ if (!displayid)
+ return 0;
+
+ ret = validate_displayid(displayid, length, idx);
+ if (ret)
+ return 0;
+
+ idx += sizeof(struct displayid_hdr);
+ while (block = (struct displayid_block *)&displayid[idx],
+ idx + sizeof(struct displayid_block) <= length &&
+ idx + sizeof(struct displayid_block) + block->num_bytes <= length &&
+ block->num_bytes > 0) {
+ idx += block->num_bytes + sizeof(struct displayid_block);
+ switch (block->tag) {
+ case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
+ num_modes += add_displayid_detailed_1_modes(connector, block);
+ break;
+ }
+ }
+ return num_modes;
+}
+
+/**
+ * drm_add_edid_modes - add modes from EDID data, if available
+ * @connector: connector we're probing
+ * @edid: EDID data
+ *
+ * Add the specified modes to the connector's mode list. Also fills out the
+ * &drm_display_info structure and ELD in @connector with any information which
+ * can be derived from the edid.
+ *
+ * Return: The number of modes added or 0 if we couldn't find any.
+ */
+int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
+{
+ int num_modes = 0;
+ u32 quirks;
+
+ if (edid == NULL) {
+ clear_eld(connector);
+ return 0;
+ }
+ if (!drm_edid_is_valid(edid)) {
+ clear_eld(connector);
+ dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
+ connector->name);
+ return 0;
+ }
+
+ drm_edid_to_eld(connector, edid);
+
+ /*
+ * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
+ * To avoid multiple parsing of same block, lets parse that map
+ * from sink info, before parsing CEA modes.
+ */
+ quirks = drm_add_display_info(connector, edid);
+
+ /*
+ * EDID spec says modes should be preferred in this order:
+ * - preferred detailed mode
+ * - other detailed modes from base block
+ * - detailed modes from extension blocks
+ * - CVT 3-byte code modes
+ * - standard timing codes
+ * - established timing codes
+ * - modes inferred from GTF or CVT range information
+ *
+ * We get this pretty much right.
+ *
+ * XXX order for additional mode types in extension blocks?
+ */
+ num_modes += add_detailed_modes(connector, edid, quirks);
+ num_modes += add_cvt_modes(connector, edid);
+ num_modes += add_standard_modes(connector, edid);
+ num_modes += add_established_modes(connector, edid);
+ num_modes += add_cea_modes(connector, edid);
+ num_modes += add_alternate_cea_modes(connector, edid);
+ num_modes += add_displayid_detailed_modes(connector, edid);
+ if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
+ num_modes += add_inferred_modes(connector, edid);
+
+ if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
+ edid_fixup_preferred(connector, quirks);
+
+ if (quirks & EDID_QUIRK_FORCE_6BPC)
+ connector->display_info.bpc = 6;
+
+ if (quirks & EDID_QUIRK_FORCE_8BPC)
+ connector->display_info.bpc = 8;
+
+ if (quirks & EDID_QUIRK_FORCE_10BPC)
+ connector->display_info.bpc = 10;
+
+ if (quirks & EDID_QUIRK_FORCE_12BPC)
+ connector->display_info.bpc = 12;
+
+ return num_modes;
+}
+EXPORT_SYMBOL(drm_add_edid_modes);
+
+/**
+ * drm_add_modes_noedid - add modes for the connectors without EDID
+ * @connector: connector we're probing
+ * @hdisplay: the horizontal display limit
+ * @vdisplay: the vertical display limit
+ *
+ * Add the specified modes to the connector's mode list. Only when the
+ * hdisplay/vdisplay is not beyond the given limit, it will be added.
+ *
+ * Return: The number of modes added or 0 if we couldn't find any.
+ */
+int drm_add_modes_noedid(struct drm_connector *connector,
+ int hdisplay, int vdisplay)
+{
+ int i, count, num_modes = 0;
+ struct drm_display_mode *mode;
+ struct drm_device *dev = connector->dev;
+
+ count = ARRAY_SIZE(drm_dmt_modes);
+ if (hdisplay < 0)
+ hdisplay = 0;
+ if (vdisplay < 0)
+ vdisplay = 0;
+
+ for (i = 0; i < count; i++) {
+ const struct drm_display_mode *ptr = &drm_dmt_modes[i];
+ if (hdisplay && vdisplay) {
+ /*
+ * Only when two are valid, they will be used to check
+ * whether the mode should be added to the mode list of
+ * the connector.
+ */
+ if (ptr->hdisplay > hdisplay ||
+ ptr->vdisplay > vdisplay)
+ continue;
+ }
+ if (drm_mode_vrefresh(ptr) > 61)
+ continue;
+ mode = drm_mode_duplicate(dev, ptr);
+ if (mode) {
+ drm_mode_probed_add(connector, mode);
+ num_modes++;
+ }
+ }
+ return num_modes;
+}
+EXPORT_SYMBOL(drm_add_modes_noedid);
+
+/**
+ * drm_set_preferred_mode - Sets the preferred mode of a connector
+ * @connector: connector whose mode list should be processed
+ * @hpref: horizontal resolution of preferred mode
+ * @vpref: vertical resolution of preferred mode
+ *
+ * Marks a mode as preferred if it matches the resolution specified by @hpref
+ * and @vpref.
+ */
+void drm_set_preferred_mode(struct drm_connector *connector,
+ int hpref, int vpref)
+{
+ struct drm_display_mode *mode;
+
+ list_for_each_entry(mode, &connector->probed_modes, head) {
+ if (mode->hdisplay == hpref &&
+ mode->vdisplay == vpref)
+ mode->type |= DRM_MODE_TYPE_PREFERRED;
+ }
+}
+EXPORT_SYMBOL(drm_set_preferred_mode);
+
+/**
+ * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
+ * data from a DRM display mode
+ * @frame: HDMI AVI infoframe
+ * @mode: DRM display mode
+ * @is_hdmi2_sink: Sink is HDMI 2.0 compliant
+ *
+ * Return: 0 on success or a negative error code on failure.
+ */
+int
+drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
+ const struct drm_display_mode *mode,
+ bool is_hdmi2_sink)
+{
+ enum hdmi_picture_aspect picture_aspect;
+ int err;
+
+ if (!frame || !mode)
+ return -EINVAL;
+
+ err = hdmi_avi_infoframe_init(frame);
+ if (err < 0)
+ return err;
+
+ if (mode->flags & DRM_MODE_FLAG_DBLCLK)
+ frame->pixel_repeat = 1;
+
+ frame->video_code = drm_match_cea_mode(mode);
+
+ /*
+ * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
+ * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
+ * have to make sure we dont break HDMI 1.4 sinks.
+ */
+ if (!is_hdmi2_sink && frame->video_code > 64)
+ frame->video_code = 0;
+
+ /*
+ * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
+ * we should send its VIC in vendor infoframes, else send the
+ * VIC in AVI infoframes. Lets check if this mode is present in
+ * HDMI 1.4b 4K modes
+ */
+ if (frame->video_code) {
+ u8 vendor_if_vic = drm_match_hdmi_mode(mode);
+ bool is_s3d = mode->flags & DRM_MODE_FLAG_3D_MASK;
+
+ if (drm_valid_hdmi_vic(vendor_if_vic) && !is_s3d)
+ frame->video_code = 0;
+ }
+
+ frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
+
+ /*
+ * As some drivers don't support atomic, we can't use connector state.
+ * So just initialize the frame with default values, just the same way
+ * as it's done with other properties here.
+ */
+ frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
+ frame->itc = 0;
+
+ /*
+ * Populate picture aspect ratio from either
+ * user input (if specified) or from the CEA mode list.
+ */
+ picture_aspect = mode->picture_aspect_ratio;
+ if (picture_aspect == HDMI_PICTURE_ASPECT_NONE)
+ picture_aspect = drm_get_cea_aspect_ratio(frame->video_code);
+
+ /*
+ * The infoframe can't convey anything but none, 4:3
+ * and 16:9, so if the user has asked for anything else
+ * we can only satisfy it by specifying the right VIC.
+ */
+ if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
+ if (picture_aspect !=
+ drm_get_cea_aspect_ratio(frame->video_code))
+ return -EINVAL;
+ picture_aspect = HDMI_PICTURE_ASPECT_NONE;
+ }
+
+ frame->picture_aspect = picture_aspect;
+ frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
+ frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
+
+ return 0;
+}
+EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
+
+/**
+ * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
+ * quantization range information
+ * @frame: HDMI AVI infoframe
+ * @mode: DRM display mode
+ * @rgb_quant_range: RGB quantization range (Q)
+ * @rgb_quant_range_selectable: Sink support selectable RGB quantization range (QS)
+ * @is_hdmi2_sink: HDMI 2.0 sink, which has different default recommendations
+ *
+ * Note that @is_hdmi2_sink can be derived by looking at the
+ * &drm_scdc.supported flag stored in &drm_hdmi_info.scdc,
+ * &drm_display_info.hdmi, which can be found in &drm_connector.display_info.
+ */
+void
+drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
+ const struct drm_display_mode *mode,
+ enum hdmi_quantization_range rgb_quant_range,
+ bool rgb_quant_range_selectable,
+ bool is_hdmi2_sink)
+{
+ /*
+ * CEA-861:
+ * "A Source shall not send a non-zero Q value that does not correspond
+ * to the default RGB Quantization Range for the transmitted Picture
+ * unless the Sink indicates support for the Q bit in a Video
+ * Capabilities Data Block."
+ *
+ * HDMI 2.0 recommends sending non-zero Q when it does match the
+ * default RGB quantization range for the mode, even when QS=0.
+ */
+ if (rgb_quant_range_selectable ||
+ rgb_quant_range == drm_default_rgb_quant_range(mode))
+ frame->quantization_range = rgb_quant_range;
+ else
+ frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
+
+ /*
+ * CEA-861-F:
+ * "When transmitting any RGB colorimetry, the Source should set the
+ * YQ-field to match the RGB Quantization Range being transmitted
+ * (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
+ * set YQ=1) and the Sink shall ignore the YQ-field."
+ *
+ * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
+ * by non-zero YQ when receiving RGB. There doesn't seem to be any
+ * good way to tell which version of CEA-861 the sink supports, so
+ * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
+ * on on CEA-861-F.
+ */
+ if (!is_hdmi2_sink ||
+ rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
+ frame->ycc_quantization_range =
+ HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
+ else
+ frame->ycc_quantization_range =
+ HDMI_YCC_QUANTIZATION_RANGE_FULL;
+}
+EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
+
+static enum hdmi_3d_structure
+s3d_structure_from_display_mode(const struct drm_display_mode *mode)
+{
+ u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
+
+ switch (layout) {
+ case DRM_MODE_FLAG_3D_FRAME_PACKING:
+ return HDMI_3D_STRUCTURE_FRAME_PACKING;
+ case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
+ return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
+ case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
+ return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
+ case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
+ return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
+ case DRM_MODE_FLAG_3D_L_DEPTH:
+ return HDMI_3D_STRUCTURE_L_DEPTH;
+ case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
+ return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
+ case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
+ return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
+ case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
+ return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
+ default:
+ return HDMI_3D_STRUCTURE_INVALID;
+ }
+}
+
+/**
+ * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
+ * data from a DRM display mode
+ * @frame: HDMI vendor infoframe
+ * @connector: the connector
+ * @mode: DRM display mode
+ *
+ * Note that there's is a need to send HDMI vendor infoframes only when using a
+ * 4k or stereoscopic 3D mode. So when giving any other mode as input this
+ * function will return -EINVAL, error that can be safely ignored.
+ *
+ * Return: 0 on success or a negative error code on failure.
+ */
+int
+drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
+ struct drm_connector *connector,
+ const struct drm_display_mode *mode)
+{
+ /*
+ * FIXME: sil-sii8620 doesn't have a connector around when
+ * we need one, so we have to be prepared for a NULL connector.
+ */
+ bool has_hdmi_infoframe = connector ?
+ connector->display_info.has_hdmi_infoframe : false;
+ int err;
+ u32 s3d_flags;
+ u8 vic;
+
+ if (!frame || !mode)
+ return -EINVAL;
+
+ if (!has_hdmi_infoframe)
+ return -EINVAL;
+
+ vic = drm_match_hdmi_mode(mode);
+ s3d_flags = mode->flags & DRM_MODE_FLAG_3D_MASK;
+
+ /*
+ * Even if it's not absolutely necessary to send the infoframe
+ * (ie.vic==0 and s3d_struct==0) we will still send it if we
+ * know that the sink can handle it. This is based on a
+ * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
+ * have trouble realizing that they shuld switch from 3D to 2D
+ * mode if the source simply stops sending the infoframe when
+ * it wants to switch from 3D to 2D.
+ */
+
+ if (vic && s3d_flags)
+ return -EINVAL;
+
+ err = hdmi_vendor_infoframe_init(frame);
+ if (err < 0)
+ return err;
+
+ frame->vic = vic;
+ frame->s3d_struct = s3d_structure_from_display_mode(mode);
+
+ return 0;
+}
+EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
+
+static int drm_parse_tiled_block(struct drm_connector *connector,
+ struct displayid_block *block)
+{
+ struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
+ u16 w, h;
+ u8 tile_v_loc, tile_h_loc;
+ u8 num_v_tile, num_h_tile;
+ struct drm_tile_group *tg;
+
+ w = tile->tile_size[0] | tile->tile_size[1] << 8;
+ h = tile->tile_size[2] | tile->tile_size[3] << 8;
+
+ num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
+ num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
+ tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
+ tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
+
+ connector->has_tile = true;
+ if (tile->tile_cap & 0x80)
+ connector->tile_is_single_monitor = true;
+
+ connector->num_h_tile = num_h_tile + 1;
+ connector->num_v_tile = num_v_tile + 1;
+ connector->tile_h_loc = tile_h_loc;
+ connector->tile_v_loc = tile_v_loc;
+ connector->tile_h_size = w + 1;
+ connector->tile_v_size = h + 1;
+
+ DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
+ DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
+ DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
+ num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
+ DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
+
+ tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
+ if (!tg) {
+ tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
+ }
+ if (!tg)
+ return -ENOMEM;
+
+ if (connector->tile_group != tg) {
+ /* if we haven't got a pointer,
+ take the reference, drop ref to old tile group */
+ if (connector->tile_group) {
+ drm_mode_put_tile_group(connector->dev, connector->tile_group);
+ }
+ connector->tile_group = tg;
+ } else
+ /* if same tile group, then release the ref we just took. */
+ drm_mode_put_tile_group(connector->dev, tg);
+ return 0;
+}
+
+static int drm_parse_display_id(struct drm_connector *connector,
+ u8 *displayid, int length,
+ bool is_edid_extension)
+{
+ /* if this is an EDID extension the first byte will be 0x70 */
+ int idx = 0;
+ struct displayid_block *block;
+ int ret;
+
+ if (is_edid_extension)
+ idx = 1;
+
+ ret = validate_displayid(displayid, length, idx);
+ if (ret)
+ return ret;
+
+ idx += sizeof(struct displayid_hdr);
+ while (block = (struct displayid_block *)&displayid[idx],
+ idx + sizeof(struct displayid_block) <= length &&
+ idx + sizeof(struct displayid_block) + block->num_bytes <= length &&
+ block->num_bytes > 0) {
+ idx += block->num_bytes + sizeof(struct displayid_block);
+ DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n",
+ block->tag, block->rev, block->num_bytes);
+
+ switch (block->tag) {
+ case DATA_BLOCK_TILED_DISPLAY:
+ ret = drm_parse_tiled_block(connector, block);
+ if (ret)
+ return ret;
+ break;
+ case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
+ /* handled in mode gathering code. */
+ break;
+ case DATA_BLOCK_CTA:
+ /* handled in the cea parser code. */
+ break;
+ default:
+ DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag);
+ break;
+ }
+ }
+ return 0;
+}
+
+static void drm_get_displayid(struct drm_connector *connector,
+ struct edid *edid)
+{
+ void *displayid = NULL;
+ int ret;
+ connector->has_tile = false;
+ displayid = drm_find_displayid_extension(edid);
+ if (!displayid) {
+ /* drop reference to any tile group we had */
+ goto out_drop_ref;
+ }
+
+ ret = drm_parse_display_id(connector, displayid, EDID_LENGTH, true);
+ if (ret < 0)
+ goto out_drop_ref;
+ if (!connector->has_tile)
+ goto out_drop_ref;
+ return;
+out_drop_ref:
+ if (connector->tile_group) {
+ drm_mode_put_tile_group(connector->dev, connector->tile_group);
+ connector->tile_group = NULL;
+ }
+ return;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 13:23:06 +0000