drm_edid.c 157.6 KB
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/*
 * Copyright (c) 2006 Luc Verhaegen (quirks list)
 * Copyright (c) 2007-2008 Intel Corporation
 *   Jesse Barnes <jesse.barnes@intel.com>
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 * Copyright 2010 Red Hat, Inc.
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 *
 * 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>
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#include <linux/slab.h>
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#include <linux/hdmi.h>
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#include <linux/i2c.h>
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#include <linux/module.h>
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#include <linux/vga_switcheroo.h>
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#include <drm/drmP.h>
#include <drm/drm_edid.h>
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#include <drm/drm_encoder.h>
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#include <drm/drm_displayid.h>
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#include <drm/drm_scdc_helper.h>
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#include "drm_crtc_internal.h"

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#define version_greater(edid, maj, min) \
	(((edid)->version > (maj)) || \
	 ((edid)->version == (maj) && (edid)->revision > (min)))
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#define EDID_EST_TIMINGS 16
#define EDID_STD_TIMINGS 8
#define EDID_DETAILED_TIMINGS 4
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/*
 * 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)
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/* Force reduced-blanking timings for detailed modes */
#define EDID_QUIRK_FORCE_REDUCED_BLANKING	(1 << 7)
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/* Force 8bpc */
#define EDID_QUIRK_FORCE_8BPC			(1 << 8)
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/* Force 12bpc */
#define EDID_QUIRK_FORCE_12BPC			(1 << 9)
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/* Force 6bpc */
#define EDID_QUIRK_FORCE_6BPC			(1 << 10)
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/* Force 10bpc */
#define EDID_QUIRK_FORCE_10BPC			(1 << 11)
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/* Non desktop display (i.e. HMD) */
#define EDID_QUIRK_NON_DESKTOP			(1 << 12)
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struct detailed_mode_closure {
	struct drm_connector *connector;
	struct edid *edid;
	bool preferred;
	u32 quirks;
	int modes;
};
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#define LEVEL_DMT	0
#define LEVEL_GTF	1
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#define LEVEL_GTF2	2
#define LEVEL_CVT	3
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static const struct edid_quirk {
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	char vendor[4];
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	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 },

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	/* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
	{ "AEO", 0, EDID_QUIRK_FORCE_6BPC },

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	/* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
	{ "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC },

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	/* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
	{ "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },

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	/* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
	{ "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC },

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	/* 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 },
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	/* Envision EN2028 */
	{ "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 },
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	/* Funai Electronics PM36B */
	{ "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 |
	  EDID_QUIRK_DETAILED_IN_CM },

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	/* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
	{ "LGD", 764, EDID_QUIRK_FORCE_10BPC },

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	/* 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 },
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	/* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
	{ "SNY", 0x2541, EDID_QUIRK_FORCE_12BPC },

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	/* ViewSonic VA2026w */
	{ "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING },
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	/* Medion MD 30217 PG */
	{ "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 },
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	/* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
	{ "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC },
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	/* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
	{ "ETR", 13896, EDID_QUIRK_FORCE_8BPC },
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	/* HTC Vive and Vive Pro VR Headsets */
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	{ "HVR", 0xaa01, EDID_QUIRK_NON_DESKTOP },
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	{ "HVR", 0xaa02, EDID_QUIRK_NON_DESKTOP },
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	/* Oculus Rift DK1, DK2, and CV1 VR Headsets */
	{ "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP },
	{ "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP },
	{ "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP },
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	/* 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 },
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	/* Sony PlayStation VR Headset */
	{ "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP },
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};

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/*
 * Autogenerated from the DMT spec.
 * This table is copied from xfree86/modes/xf86EdidModes.c.
 */
static const struct drm_display_mode drm_dmt_modes[] = {
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	/* 0x01 - 640x350@85Hz */
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	{ 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) },
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	/* 0x02 - 640x400@85Hz */
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	{ 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) },
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	/* 0x03 - 720x400@85Hz */
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	{ 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) },
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	/* 0x04 - 640x480@60Hz */
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	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
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		   752, 800, 0, 480, 490, 492, 525, 0,
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		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
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	/* 0x05 - 640x480@72Hz */
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	{ 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) },
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	/* 0x06 - 640x480@75Hz */
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	{ 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) },
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	/* 0x07 - 640x480@85Hz */
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	{ 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) },
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	/* 0x08 - 800x600@56Hz */
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	{ 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) },
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	/* 0x09 - 800x600@60Hz */
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	{ 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) },
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	/* 0x0a - 800x600@72Hz */
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	{ 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) },
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	/* 0x0b - 800x600@75Hz */
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	{ 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) },
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	/* 0x0c - 800x600@85Hz */
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	{ 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) },
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	/* 0x0d - 800x600@120Hz RB */
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	{ 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) },
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	/* 0x0e - 848x480@60Hz */
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	{ 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) },
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	/* 0x0f - 1024x768@43Hz, interlace */
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	{ DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
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		   1208, 1264, 0, 768, 768, 776, 817, 0,
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		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
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		   DRM_MODE_FLAG_INTERLACE) },
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	/* 0x10 - 1024x768@60Hz */
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	{ 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) },
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	/* 0x11 - 1024x768@70Hz */
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	{ 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) },
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	/* 0x12 - 1024x768@75Hz */
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	{ 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) },
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	/* 0x13 - 1024x768@85Hz */
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	{ 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) },
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	/* 0x14 - 1024x768@120Hz RB */
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	{ 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) },
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	/* 0x15 - 1152x864@75Hz */
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	{ 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) },
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	/* 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) },
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	/* 0x16 - 1280x768@60Hz RB */
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	{ 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) },
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	/* 0x17 - 1280x768@60Hz */
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	{ 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) },
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	/* 0x18 - 1280x768@75Hz */
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	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
		   1488, 1696, 0, 768, 771, 778, 805, 0,
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		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
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	/* 0x19 - 1280x768@85Hz */
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	{ 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) },
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	/* 0x1a - 1280x768@120Hz RB */
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	{ 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) },
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	/* 0x1b - 1280x800@60Hz RB */
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	{ 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) },
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	/* 0x1c - 1280x800@60Hz */
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	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
		   1480, 1680, 0, 800, 803, 809, 831, 0,
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		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
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	/* 0x1d - 1280x800@75Hz */
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	{ 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) },
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	/* 0x1e - 1280x800@85Hz */
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	{ 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) },
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	/* 0x1f - 1280x800@120Hz RB */
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	{ 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) },
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	/* 0x20 - 1280x960@60Hz */
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	{ 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) },
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	/* 0x21 - 1280x960@85Hz */
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	{ 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) },
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	/* 0x22 - 1280x960@120Hz RB */
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	{ 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) },
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	/* 0x23 - 1280x1024@60Hz */
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	{ 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) },
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	/* 0x24 - 1280x1024@75Hz */
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	{ 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) },
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	/* 0x25 - 1280x1024@85Hz */
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	{ 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) },
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	/* 0x26 - 1280x1024@120Hz RB */
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	{ 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) },
357
	/* 0x27 - 1360x768@60Hz */
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	{ 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) },
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	/* 0x28 - 1360x768@120Hz RB */
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	{ 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) },
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	/* 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) },
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	/* 0x29 - 1400x1050@60Hz RB */
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	{ 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) },
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	/* 0x2a - 1400x1050@60Hz */
378 379 380
	{ 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) },
381
	/* 0x2b - 1400x1050@75Hz */
382 383 384
	{ 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) },
385
	/* 0x2c - 1400x1050@85Hz */
386 387 388
	{ 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) },
389
	/* 0x2d - 1400x1050@120Hz RB */
390 391 392
	{ 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) },
393
	/* 0x2e - 1440x900@60Hz RB */
394 395 396
	{ 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) },
397
	/* 0x2f - 1440x900@60Hz */
398 399 400
	{ 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) },
401
	/* 0x30 - 1440x900@75Hz */
402 403 404
	{ 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) },
405
	/* 0x31 - 1440x900@85Hz */
406 407 408
	{ 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) },
409
	/* 0x32 - 1440x900@120Hz RB */
410 411 412
	{ 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) },
413 414 415 416
	/* 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) },
417
	/* 0x33 - 1600x1200@60Hz */
418 419 420
	{ 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) },
421
	/* 0x34 - 1600x1200@65Hz */
422 423 424
	{ 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) },
425
	/* 0x35 - 1600x1200@70Hz */
426 427 428
	{ 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) },
429
	/* 0x36 - 1600x1200@75Hz */
430 431 432
	{ 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) },
433
	/* 0x37 - 1600x1200@85Hz */
434 435 436
	{ 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) },
437
	/* 0x38 - 1600x1200@120Hz RB */
438 439 440
	{ 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) },
441
	/* 0x39 - 1680x1050@60Hz RB */
442 443 444
	{ 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) },
445
	/* 0x3a - 1680x1050@60Hz */
446 447 448
	{ 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) },
449
	/* 0x3b - 1680x1050@75Hz */
450 451 452
	{ 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) },
453
	/* 0x3c - 1680x1050@85Hz */
454 455 456
	{ 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) },
457
	/* 0x3d - 1680x1050@120Hz RB */
458 459 460
	{ 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) },
461
	/* 0x3e - 1792x1344@60Hz */
462 463 464
	{ 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) },
465
	/* 0x3f - 1792x1344@75Hz */
466 467 468
	{ 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) },
469
	/* 0x40 - 1792x1344@120Hz RB */
470 471 472
	{ 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) },
473
	/* 0x41 - 1856x1392@60Hz */
474 475 476
	{ 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) },
477
	/* 0x42 - 1856x1392@75Hz */
478
	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
V
Ville Syrjälä 已提交
479
		   2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
480
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
481
	/* 0x43 - 1856x1392@120Hz RB */
482 483 484
	{ 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) },
485 486 487 488
	/* 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) },
489
	/* 0x44 - 1920x1200@60Hz RB */
490 491 492
	{ 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) },
493
	/* 0x45 - 1920x1200@60Hz */
494 495 496
	{ 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) },
497
	/* 0x46 - 1920x1200@75Hz */
498 499 500
	{ 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) },
501
	/* 0x47 - 1920x1200@85Hz */
502 503 504
	{ 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) },
505
	/* 0x48 - 1920x1200@120Hz RB */
506 507 508
	{ 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) },
509
	/* 0x49 - 1920x1440@60Hz */
510 511 512
	{ 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) },
513
	/* 0x4a - 1920x1440@75Hz */
514 515 516
	{ 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) },
517
	/* 0x4b - 1920x1440@120Hz RB */
518 519 520
	{ 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) },
521 522 523 524
	/* 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) },
525
	/* 0x4c - 2560x1600@60Hz RB */
526 527 528
	{ 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) },
529
	/* 0x4d - 2560x1600@60Hz */
530 531 532
	{ 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) },
533
	/* 0x4e - 2560x1600@75Hz */
534 535 536
	{ 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) },
537
	/* 0x4f - 2560x1600@85Hz */
538 539 540
	{ 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) },
541
	/* 0x50 - 2560x1600@120Hz RB */
542 543 544
	{ 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) },
545 546 547 548 549 550 551 552
	/* 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) },
553 554
};

555 556 557 558 559 560 561 562 563
/*
 * 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.
 */
564 565 566 567 568 569 570 571 572 573 574
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,
575
		   704,  832, 0, 480, 489, 492, 520, 0,
576 577 578 579
		   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 */
580
	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
581 582 583 584 585 586 587 588 589 590 591
		   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 */
592
	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665
		   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 },
666
	{ 1792, 1344, 75, 0 },
667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690
	{ 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.
691 692
 *
 * Index using the VIC.
693 694
 */
static const struct drm_display_mode edid_cea_modes[] = {
695 696
	/* 0 - dummy, VICs start at 1 */
	{ },
697
	/* 1 - 640x480@60Hz 4:3 */
698 699
	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
		   752, 800, 0, 480, 490, 492, 525, 0,
700
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
701
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
702
	/* 2 - 720x480@60Hz 4:3 */
703 704
	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
		   798, 858, 0, 480, 489, 495, 525, 0,
705
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
706
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
707
	/* 3 - 720x480@60Hz 16:9 */
708 709
	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
		   798, 858, 0, 480, 489, 495, 525, 0,
710
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
711
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
712
	/* 4 - 1280x720@60Hz 16:9 */
713 714
	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
		   1430, 1650, 0, 720, 725, 730, 750, 0,
715
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
716
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
717
	/* 5 - 1920x1080i@60Hz 16:9 */
718 719 720
	{ 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 |
721
		   DRM_MODE_FLAG_INTERLACE),
722
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
723
	/* 6 - 720(1440)x480i@60Hz 4:3 */
724 725
	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
		   801, 858, 0, 480, 488, 494, 525, 0,
726
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
727
		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
728
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
729
	/* 7 - 720(1440)x480i@60Hz 16:9 */
730 731
	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
		   801, 858, 0, 480, 488, 494, 525, 0,
732
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
733
		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
734
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
735
	/* 8 - 720(1440)x240@60Hz 4:3 */
736 737
	{ DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
		   801, 858, 0, 240, 244, 247, 262, 0,
738
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
739
		   DRM_MODE_FLAG_DBLCLK),
740
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
741
	/* 9 - 720(1440)x240@60Hz 16:9 */
742 743
	{ DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
		   801, 858, 0, 240, 244, 247, 262, 0,
744
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
745
		   DRM_MODE_FLAG_DBLCLK),
746
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
747
	/* 10 - 2880x480i@60Hz 4:3 */
748 749 750
	{ 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 |
751
		   DRM_MODE_FLAG_INTERLACE),
752
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
753
	/* 11 - 2880x480i@60Hz 16:9 */
754 755 756
	{ 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 |
757
		   DRM_MODE_FLAG_INTERLACE),
758
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
759
	/* 12 - 2880x240@60Hz 4:3 */
760 761
	{ DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
		   3204, 3432, 0, 240, 244, 247, 262, 0,
762
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
763
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
764
	/* 13 - 2880x240@60Hz 16:9 */
765 766
	{ DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
		   3204, 3432, 0, 240, 244, 247, 262, 0,
767
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
768
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
769
	/* 14 - 1440x480@60Hz 4:3 */
770 771
	{ DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
		   1596, 1716, 0, 480, 489, 495, 525, 0,
772
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
773
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
774
	/* 15 - 1440x480@60Hz 16:9 */
775 776
	{ DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
		   1596, 1716, 0, 480, 489, 495, 525, 0,
777
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
778
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
779
	/* 16 - 1920x1080@60Hz 16:9 */
780 781
	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
782
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
783
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
784
	/* 17 - 720x576@50Hz 4:3 */
785 786
	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
		   796, 864, 0, 576, 581, 586, 625, 0,
787
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
788
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
789
	/* 18 - 720x576@50Hz 16:9 */
790 791
	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
		   796, 864, 0, 576, 581, 586, 625, 0,
792
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
793
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
794
	/* 19 - 1280x720@50Hz 16:9 */
795 796
	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
		   1760, 1980, 0, 720, 725, 730, 750, 0,
797
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
798
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
799
	/* 20 - 1920x1080i@50Hz 16:9 */
800 801 802
	{ 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 |
803
		   DRM_MODE_FLAG_INTERLACE),
804
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
805
	/* 21 - 720(1440)x576i@50Hz 4:3 */
806 807
	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
		   795, 864, 0, 576, 580, 586, 625, 0,
808
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
809
		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
810
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
811
	/* 22 - 720(1440)x576i@50Hz 16:9 */
812 813
	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
		   795, 864, 0, 576, 580, 586, 625, 0,
814
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
815
		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
816
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
817
	/* 23 - 720(1440)x288@50Hz 4:3 */
818 819
	{ DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
		   795, 864, 0, 288, 290, 293, 312, 0,
820
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
821
		   DRM_MODE_FLAG_DBLCLK),
822
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
823
	/* 24 - 720(1440)x288@50Hz 16:9 */
824 825
	{ DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
		   795, 864, 0, 288, 290, 293, 312, 0,
826
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
827
		   DRM_MODE_FLAG_DBLCLK),
828
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
829
	/* 25 - 2880x576i@50Hz 4:3 */
830 831 832
	{ 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 |
833
		   DRM_MODE_FLAG_INTERLACE),
834
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
835
	/* 26 - 2880x576i@50Hz 16:9 */
836 837 838
	{ 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 |
839
		   DRM_MODE_FLAG_INTERLACE),
840
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
841
	/* 27 - 2880x288@50Hz 4:3 */
842 843
	{ DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
		   3180, 3456, 0, 288, 290, 293, 312, 0,
844
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
845
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
846
	/* 28 - 2880x288@50Hz 16:9 */
847 848
	{ DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
		   3180, 3456, 0, 288, 290, 293, 312, 0,
849
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
850
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
851
	/* 29 - 1440x576@50Hz 4:3 */
852 853
	{ DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
		   1592, 1728, 0, 576, 581, 586, 625, 0,
854
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
855
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
856
	/* 30 - 1440x576@50Hz 16:9 */
857 858
	{ DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
		   1592, 1728, 0, 576, 581, 586, 625, 0,
859
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
860
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
861
	/* 31 - 1920x1080@50Hz 16:9 */
862 863
	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
864
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
865
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
866
	/* 32 - 1920x1080@24Hz 16:9 */
867 868
	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
		   2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
869
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
870
	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
871
	/* 33 - 1920x1080@25Hz 16:9 */
872 873
	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
874
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
875
	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
876
	/* 34 - 1920x1080@30Hz 16:9 */
877 878
	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
879
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
880
	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
881
	/* 35 - 2880x480@60Hz 4:3 */
882 883
	{ DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
		   3192, 3432, 0, 480, 489, 495, 525, 0,
884
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
885
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
886
	/* 36 - 2880x480@60Hz 16:9 */
887 888
	{ DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
		   3192, 3432, 0, 480, 489, 495, 525, 0,
889
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
890
	  .vrefresh = 60, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
891
	/* 37 - 2880x576@50Hz 4:3 */
892 893
	{ DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
		   3184, 3456, 0, 576, 581, 586, 625, 0,
894
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
895
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
896
	/* 38 - 2880x576@50Hz 16:9 */
897 898
	{ DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
		   3184, 3456, 0, 576, 581, 586, 625, 0,
899
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
900
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
901
	/* 39 - 1920x1080i@50Hz 16:9 */
902 903 904
	{ 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 |
905
		   DRM_MODE_FLAG_INTERLACE),
906
	  .vrefresh = 50, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
907
	/* 40 - 1920x1080i@100Hz 16:9 */
908 909 910
	{ 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 |
911
		   DRM_MODE_FLAG_INTERLACE),
912
	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
913
	/* 41 - 1280x720@100Hz 16:9 */
914 915
	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
		   1760, 1980, 0, 720, 725, 730, 750, 0,
916
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
917
	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
918
	/* 42 - 720x576@100Hz 4:3 */
919 920
	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
		   796, 864, 0, 576, 581, 586, 625, 0,
921
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
922
	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
923
	/* 43 - 720x576@100Hz 16:9 */
924 925
	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
		   796, 864, 0, 576, 581, 586, 625, 0,
926
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
927
	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
928
	/* 44 - 720(1440)x576i@100Hz 4:3 */
929 930
	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
		   795, 864, 0, 576, 580, 586, 625, 0,
931
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
932
		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
933
	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
934
	/* 45 - 720(1440)x576i@100Hz 16:9 */
935 936
	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
		   795, 864, 0, 576, 580, 586, 625, 0,
937
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
938
		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
939
	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
940
	/* 46 - 1920x1080i@120Hz 16:9 */
941 942 943
	{ 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 |
944
		   DRM_MODE_FLAG_INTERLACE),
945
	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
946
	/* 47 - 1280x720@120Hz 16:9 */
947 948
	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
		   1430, 1650, 0, 720, 725, 730, 750, 0,
949
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
950
	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
951
	/* 48 - 720x480@120Hz 4:3 */
952 953
	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
		   798, 858, 0, 480, 489, 495, 525, 0,
954
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
955
	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
956
	/* 49 - 720x480@120Hz 16:9 */
957 958
	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
		   798, 858, 0, 480, 489, 495, 525, 0,
959
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
960
	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
961
	/* 50 - 720(1440)x480i@120Hz 4:3 */
962 963
	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
		   801, 858, 0, 480, 488, 494, 525, 0,
964
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
965
		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
966
	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
967
	/* 51 - 720(1440)x480i@120Hz 16:9 */
968 969
	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
		   801, 858, 0, 480, 488, 494, 525, 0,
970
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
971
		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
972
	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
973
	/* 52 - 720x576@200Hz 4:3 */
974 975
	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
		   796, 864, 0, 576, 581, 586, 625, 0,
976
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
977
	  .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
978
	/* 53 - 720x576@200Hz 16:9 */
979 980
	{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
		   796, 864, 0, 576, 581, 586, 625, 0,
981
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
982
	  .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
983
	/* 54 - 720(1440)x576i@200Hz 4:3 */
984 985
	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
		   795, 864, 0, 576, 580, 586, 625, 0,
986
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
987
		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
988
	  .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
989
	/* 55 - 720(1440)x576i@200Hz 16:9 */
990 991
	{ DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
		   795, 864, 0, 576, 580, 586, 625, 0,
992
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
993
		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
994
	  .vrefresh = 200, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
995
	/* 56 - 720x480@240Hz 4:3 */
996 997
	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
		   798, 858, 0, 480, 489, 495, 525, 0,
998
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
999
	  .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1000
	/* 57 - 720x480@240Hz 16:9 */
1001 1002
	{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
		   798, 858, 0, 480, 489, 495, 525, 0,
1003
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1004
	  .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1005
	/* 58 - 720(1440)x480i@240Hz 4:3 */
1006 1007
	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
		   801, 858, 0, 480, 488, 494, 525, 0,
1008
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1009
		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1010
	  .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1011
	/* 59 - 720(1440)x480i@240Hz 16:9 */
1012 1013
	{ DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
		   801, 858, 0, 480, 488, 494, 525, 0,
1014
		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1015
		   DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1016
	  .vrefresh = 240, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1017
	/* 60 - 1280x720@24Hz 16:9 */
1018 1019
	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
		   3080, 3300, 0, 720, 725, 730, 750, 0,
1020
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1021
	  .vrefresh = 24, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1022
	/* 61 - 1280x720@25Hz 16:9 */
1023 1024
	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
		   3740, 3960, 0, 720, 725, 730, 750, 0,
1025
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1026
	  .vrefresh = 25, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1027
	/* 62 - 1280x720@30Hz 16:9 */
1028 1029
	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
		   3080, 3300, 0, 720, 725, 730, 750, 0,
1030
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1031
	  .vrefresh = 30, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1032
	/* 63 - 1920x1080@120Hz 16:9 */
1033 1034
	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
		   2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1035
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1036 1037
	  .vrefresh = 120, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
	/* 64 - 1920x1080@100Hz 16:9 */
1038
	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1039
		   2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1040
		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1041 1042
	  .vrefresh = 100, .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
	/* 65 - 1280x720@24Hz 64:27 */
1043 1044 1045 1046
	{ 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, },
1047
	/* 66 - 1280x720@25Hz 64:27 */
1048 1049 1050 1051
	{ 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, },
1052
	/* 67 - 1280x720@30Hz 64:27 */
1053 1054 1055 1056
	{ 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, },
1057
	/* 68 - 1280x720@50Hz 64:27 */
1058 1059 1060 1061
	{ 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, },
1062
	/* 69 - 1280x720@60Hz 64:27 */
1063 1064 1065 1066
	{ 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, },
1067
	/* 70 - 1280x720@100Hz 64:27 */
1068 1069 1070 1071
	{ 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, },
1072
	/* 71 - 1280x720@120Hz 64:27 */
1073 1074 1075 1076
	{ 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, },
1077
	/* 72 - 1920x1080@24Hz 64:27 */
1078 1079 1080 1081
	{ 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, },
1082
	/* 73 - 1920x1080@25Hz 64:27 */
1083 1084 1085 1086
	{ 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, },
1087
	/* 74 - 1920x1080@30Hz 64:27 */
1088 1089 1090 1091
	{ 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, },
1092
	/* 75 - 1920x1080@50Hz 64:27 */
1093 1094 1095 1096
	{ 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, },
1097
	/* 76 - 1920x1080@60Hz 64:27 */
1098 1099 1100 1101
	{ 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, },
1102
	/* 77 - 1920x1080@100Hz 64:27 */
1103 1104 1105 1106
	{ 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, },
1107
	/* 78 - 1920x1080@120Hz 64:27 */
1108 1109 1110 1111
	{ 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, },
1112
	/* 79 - 1680x720@24Hz 64:27 */
1113 1114 1115 1116
	{ 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, },
1117
	/* 80 - 1680x720@25Hz 64:27 */
1118 1119 1120 1121
	{ 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, },
1122
	/* 81 - 1680x720@30Hz 64:27 */
1123 1124 1125 1126
	{ 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, },
1127
	/* 82 - 1680x720@50Hz 64:27 */
1128 1129 1130 1131
	{ 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, },
1132
	/* 83 - 1680x720@60Hz 64:27 */
1133 1134 1135 1136
	{ 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, },
1137
	/* 84 - 1680x720@100Hz 64:27 */
1138 1139 1140 1141
	{ 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, },
1142
	/* 85 - 1680x720@120Hz 64:27 */
1143 1144 1145 1146
	{ 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, },
1147
	/* 86 - 2560x1080@24Hz 64:27 */
1148 1149 1150 1151
	{ 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, },
1152
	/* 87 - 2560x1080@25Hz 64:27 */
1153 1154 1155 1156
	{ 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, },
1157
	/* 88 - 2560x1080@30Hz 64:27 */
1158 1159 1160 1161
	{ 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, },
1162
	/* 89 - 2560x1080@50Hz 64:27 */
1163 1164 1165 1166
	{ 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, },
1167
	/* 90 - 2560x1080@60Hz 64:27 */
1168 1169 1170 1171
	{ 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, },
1172
	/* 91 - 2560x1080@100Hz 64:27 */
1173 1174 1175 1176
	{ 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, },
1177
	/* 92 - 2560x1080@120Hz 64:27 */
1178 1179 1180 1181
	{ 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, },
1182
	/* 93 - 3840x2160@24Hz 16:9 */
1183 1184 1185 1186
	{ 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, },
1187
	/* 94 - 3840x2160@25Hz 16:9 */
1188 1189 1190 1191
	{ 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, },
1192
	/* 95 - 3840x2160@30Hz 16:9 */
1193 1194 1195 1196
	{ 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, },
1197
	/* 96 - 3840x2160@50Hz 16:9 */
1198 1199 1200 1201
	{ 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, },
1202
	/* 97 - 3840x2160@60Hz 16:9 */
1203 1204 1205 1206
	{ 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, },
1207
	/* 98 - 4096x2160@24Hz 256:135 */
1208 1209 1210 1211
	{ 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, },
1212
	/* 99 - 4096x2160@25Hz 256:135 */
1213 1214 1215 1216
	{ 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, },
1217
	/* 100 - 4096x2160@30Hz 256:135 */
1218 1219 1220 1221
	{ 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, },
1222
	/* 101 - 4096x2160@50Hz 256:135 */
1223 1224 1225 1226
	{ 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, },
1227
	/* 102 - 4096x2160@60Hz 256:135 */
1228 1229 1230 1231
	{ 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, },
1232
	/* 103 - 3840x2160@24Hz 64:27 */
1233 1234 1235 1236
	{ 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, },
1237
	/* 104 - 3840x2160@25Hz 64:27 */
1238 1239 1240 1241
	{ 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, },
1242
	/* 105 - 3840x2160@30Hz 64:27 */
1243 1244 1245 1246
	{ 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, },
1247
	/* 106 - 3840x2160@50Hz 64:27 */
1248 1249 1250 1251
	{ 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, },
1252
	/* 107 - 3840x2160@60Hz 64:27 */
1253 1254 1255 1256
	{ 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, },
1257 1258
};

1259
/*
1260
 * HDMI 1.4 4k modes. Index using the VIC.
1261 1262
 */
static const struct drm_display_mode edid_4k_modes[] = {
1263 1264
	/* 0 - dummy, VICs start at 1 */
	{ },
1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290
	/* 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, },
};

1291
/*** DDC fetch and block validation ***/
D
Dave Airlie 已提交
1292

A
Adam Jackson 已提交
1293 1294 1295
static const u8 edid_header[] = {
	0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
};
D
Dave Airlie 已提交
1296

T
Thierry Reding 已提交
1297 1298 1299 1300 1301 1302 1303
/**
 * 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.
1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316
 */
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);

1317 1318 1319 1320
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)");
1321

1322 1323
static void drm_get_displayid(struct drm_connector *connector,
			      struct edid *edid);
1324

1325 1326 1327 1328 1329 1330 1331 1332 1333 1334
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;
}

1335 1336 1337 1338 1339 1340 1341 1342
static bool drm_edid_is_zero(const u8 *in_edid, int length)
{
	if (memchr_inv(in_edid, 0, length))
		return false;

	return true;
}

T
Thierry Reding 已提交
1343 1344 1345 1346 1347
/**
 * 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
1348
 * @edid_corrupt: if true, the header or checksum is invalid
T
Thierry Reding 已提交
1349 1350 1351 1352 1353
 *
 * Validate a base or extension EDID block and optionally dump bad blocks to
 * the console.
 *
 * Return: True if the block is valid, false otherwise.
D
Dave Airlie 已提交
1354
 */
1355 1356
bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
			  bool *edid_corrupt)
D
Dave Airlie 已提交
1357
{
1358
	u8 csum;
1359
	struct edid *edid = (struct edid *)raw_edid;
D
Dave Airlie 已提交
1360

1361 1362 1363
	if (WARN_ON(!raw_edid))
		return false;

1364 1365 1366
	if (edid_fixup > 8 || edid_fixup < 0)
		edid_fixup = 6;

1367
	if (block == 0) {
1368
		int score = drm_edid_header_is_valid(raw_edid);
1369 1370
		if (score == 8) {
			if (edid_corrupt)
1371
				*edid_corrupt = false;
1372 1373 1374 1375 1376 1377 1378
		} 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)
1379
				*edid_corrupt = true;
1380 1381 1382
			DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
			memcpy(raw_edid, edid_header, sizeof(edid_header));
		} else {
1383
			if (edid_corrupt)
1384
				*edid_corrupt = true;
1385 1386 1387
			goto bad;
		}
	}
D
Dave Airlie 已提交
1388

1389
	csum = drm_edid_block_checksum(raw_edid);
D
Dave Airlie 已提交
1390
	if (csum) {
1391
		if (edid_corrupt)
1392
			*edid_corrupt = true;
1393

1394
		/* allow CEA to slide through, switches mangle this */
1395 1396 1397 1398 1399
		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)
1400
				DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
1401

1402
			goto bad;
1403
		}
D
Dave Airlie 已提交
1404 1405
	}

1406 1407 1408 1409
	/* per-block-type checks */
	switch (raw_edid[0]) {
	case 0: /* base */
		if (edid->version != 1) {
1410
			DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
1411 1412
			goto bad;
		}
1413

1414 1415 1416
		if (edid->revision > 4)
			DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
		break;
1417

1418 1419 1420
	default:
		break;
	}
1421

1422
	return true;
D
Dave Airlie 已提交
1423 1424

bad:
1425
	if (print_bad_edid) {
1426
		if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1427
			pr_notice("EDID block is all zeroes\n");
1428
		} else {
1429
			pr_notice("Raw EDID:\n");
1430 1431 1432
			print_hex_dump(KERN_NOTICE,
				       " \t", DUMP_PREFIX_NONE, 16, 1,
				       raw_edid, EDID_LENGTH, false);
1433
		}
D
Dave Airlie 已提交
1434
	}
1435
	return false;
D
Dave Airlie 已提交
1436
}
1437
EXPORT_SYMBOL(drm_edid_block_valid);
1438 1439 1440 1441 1442 1443

/**
 * drm_edid_is_valid - sanity check EDID data
 * @edid: EDID data
 *
 * Sanity-check an entire EDID record (including extensions)
T
Thierry Reding 已提交
1444 1445
 *
 * Return: True if the EDID data is valid, false otherwise.
1446 1447 1448 1449 1450 1451 1452 1453 1454 1455
 */
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++)
1456
		if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
1457 1458 1459 1460
			return false;

	return true;
}
1461
EXPORT_SYMBOL(drm_edid_is_valid);
D
Dave Airlie 已提交
1462

1463 1464
#define DDC_SEGMENT_ADDR 0x30
/**
T
Thierry Reding 已提交
1465
 * drm_do_probe_ddc_edid() - get EDID information via I2C
1466
 * @data: I2C device adapter
1467 1468 1469 1470
 * @buf: EDID data buffer to be filled
 * @block: 128 byte EDID block to start fetching from
 * @len: EDID data buffer length to fetch
 *
T
Thierry Reding 已提交
1471
 * Try to fetch EDID information by calling I2C driver functions.
1472
 *
T
Thierry Reding 已提交
1473
 * Return: 0 on success or -1 on failure.
1474 1475
 */
static int
1476
drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1477
{
1478
	struct i2c_adapter *adapter = data;
1479
	unsigned char start = block * EDID_LENGTH;
S
Shirish S 已提交
1480 1481
	unsigned char segment = block >> 1;
	unsigned char xfers = segment ? 3 : 2;
1482 1483
	int ret, retries = 5;

T
Thierry Reding 已提交
1484 1485
	/*
	 * The core I2C driver will automatically retry the transfer if the
1486 1487 1488 1489 1490 1491 1492 1493
	 * 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[] = {
			{
S
Shirish S 已提交
1494 1495 1496 1497 1498
				.addr	= DDC_SEGMENT_ADDR,
				.flags	= 0,
				.len	= 1,
				.buf	= &segment,
			}, {
1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509
				.addr	= DDC_ADDR,
				.flags	= 0,
				.len	= 1,
				.buf	= &start,
			}, {
				.addr	= DDC_ADDR,
				.flags	= I2C_M_RD,
				.len	= len,
				.buf	= buf,
			}
		};
S
Shirish S 已提交
1510

T
Thierry Reding 已提交
1511 1512 1513 1514
		/*
		 * Avoid sending the segment addr to not upset non-compliant
		 * DDC monitors.
		 */
S
Shirish S 已提交
1515 1516
		ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);

1517 1518 1519 1520 1521
		if (ret == -ENXIO) {
			DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
					adapter->name);
			break;
		}
S
Shirish S 已提交
1522
	} while (ret != xfers && --retries);
1523

S
Shirish S 已提交
1524
	return ret == xfers ? 0 : -1;
1525 1526
}

1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554
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);
	}
}

1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568
/**
 * 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.
 *
1569 1570 1571 1572
 * 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.
 *
1573 1574 1575 1576 1577 1578
 * 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)
1579
{
S
Sam Tygier 已提交
1580
	int i, j = 0, valid_extensions = 0;
1581
	u8 *edid, *new;
1582 1583 1584
	struct edid *override = NULL;

	if (connector->override_edid)
1585
		override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1586 1587 1588 1589 1590 1591

	if (!override)
		override = drm_load_edid_firmware(connector);

	if (!IS_ERR_OR_NULL(override))
		return override;
1592

1593
	if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1594 1595 1596 1597
		return NULL;

	/* base block fetch */
	for (i = 0; i < 4; i++) {
1598
		if (get_edid_block(data, edid, 0, EDID_LENGTH))
1599
			goto out;
1600
		if (drm_edid_block_valid(edid, 0, false,
1601
					 &connector->edid_corrupt))
1602
			break;
1603
		if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1604 1605 1606
			connector->null_edid_counter++;
			goto carp;
		}
1607 1608 1609 1610 1611
	}
	if (i == 4)
		goto carp;

	/* if there's no extensions, we're done */
1612 1613
	valid_extensions = edid[0x7e];
	if (valid_extensions == 0)
1614
		return (struct edid *)edid;
1615

1616
	new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1617 1618
	if (!new)
		goto out;
1619
	edid = new;
1620

1621
	for (j = 1; j <= edid[0x7e]; j++) {
1622
		u8 *block = edid + j * EDID_LENGTH;
1623

1624
		for (i = 0; i < 4; i++) {
1625
			if (get_edid_block(data, block, j, EDID_LENGTH))
1626
				goto out;
1627
			if (drm_edid_block_valid(block, j, false, NULL))
1628 1629
				break;
		}
1630

1631 1632
		if (i == 4)
			valid_extensions--;
S
Sam Tygier 已提交
1633 1634
	}

1635
	if (valid_extensions != edid[0x7e]) {
1636 1637 1638 1639
		u8 *base;

		connector_bad_edid(connector, edid, edid[0x7e] + 1);

1640 1641
		edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
		edid[0x7e] = valid_extensions;
1642

1643 1644
		new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
				    GFP_KERNEL);
S
Sam Tygier 已提交
1645 1646
		if (!new)
			goto out;
1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659

		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;
		}

		kfree(edid);
1660
		edid = new;
1661 1662
	}

1663
	return (struct edid *)edid;
1664 1665

carp:
1666
	connector_bad_edid(connector, edid, 1);
1667
out:
1668
	kfree(edid);
1669 1670
	return NULL;
}
1671
EXPORT_SYMBOL_GPL(drm_do_get_edid);
1672 1673

/**
T
Thierry Reding 已提交
1674 1675
 * drm_probe_ddc() - probe DDC presence
 * @adapter: I2C adapter to probe
1676
 *
T
Thierry Reding 已提交
1677
 * Return: True on success, false on failure.
1678
 */
A
Adam Jackson 已提交
1679
bool
1680 1681 1682 1683 1684 1685
drm_probe_ddc(struct i2c_adapter *adapter)
{
	unsigned char out;

	return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
}
A
Adam Jackson 已提交
1686
EXPORT_SYMBOL(drm_probe_ddc);
1687 1688 1689 1690

/**
 * drm_get_edid - get EDID data, if available
 * @connector: connector we're probing
T
Thierry Reding 已提交
1691
 * @adapter: I2C adapter to use for DDC
1692
 *
T
Thierry Reding 已提交
1693
 * Poke the given I2C channel to grab EDID data if possible.  If found,
1694 1695
 * attach it to the connector.
 *
T
Thierry Reding 已提交
1696
 * Return: Pointer to valid EDID or NULL if we couldn't find any.
1697 1698 1699 1700
 */
struct edid *drm_get_edid(struct drm_connector *connector,
			  struct i2c_adapter *adapter)
{
1701 1702
	struct edid *edid;

1703 1704 1705 1706
	if (connector->force == DRM_FORCE_OFF)
		return NULL;

	if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
1707
		return NULL;
1708

1709 1710 1711 1712
	edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
	if (edid)
		drm_get_displayid(connector, edid);
	return edid;
1713 1714 1715
}
EXPORT_SYMBOL(drm_get_edid);

1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740
/**
 * 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);

J
Jani Nikula 已提交
1741 1742 1743 1744
/**
 * drm_edid_duplicate - duplicate an EDID and the extensions
 * @edid: EDID to duplicate
 *
T
Thierry Reding 已提交
1745
 * Return: Pointer to duplicated EDID or NULL on allocation failure.
J
Jani Nikula 已提交
1746 1747 1748 1749 1750 1751 1752
 */
struct edid *drm_edid_duplicate(const struct edid *edid)
{
	return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
}
EXPORT_SYMBOL(drm_edid_duplicate);

1753 1754
/*** EDID parsing ***/

D
Dave Airlie 已提交
1755 1756 1757 1758 1759 1760 1761
/**
 * 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
 */
1762
static bool edid_vendor(const struct edid *edid, const char *vendor)
D
Dave Airlie 已提交
1763 1764 1765 1766 1767 1768
{
	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)) + '@';
1769
	edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
D
Dave Airlie 已提交
1770 1771 1772 1773 1774 1775 1776 1777 1778 1779

	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.
 */
1780
static u32 edid_get_quirks(const struct edid *edid)
D
Dave Airlie 已提交
1781
{
J
Jani Nikula 已提交
1782
	const struct edid_quirk *quirk;
D
Dave Airlie 已提交
1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796
	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)
1797
#define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
D
Dave Airlie 已提交
1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810

/**
 * 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;
1811
	int target_refresh = 0;
1812
	int cur_vrefresh, preferred_vrefresh;
D
Dave Airlie 已提交
1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834

	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;

1835 1836 1837 1838
		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);
D
Dave Airlie 已提交
1839 1840
		/* At a given size, try to get closest to target refresh */
		if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
1841 1842
		    MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
		    MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
D
Dave Airlie 已提交
1843 1844 1845 1846 1847 1848 1849
			preferred_mode = cur_mode;
		}
	}

	preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
}

1850 1851 1852 1853 1854 1855 1856 1857 1858
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);
}

1859 1860 1861 1862 1863 1864
/*
 * 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
1865
 * @rb: Mode reduced-blanking-ness
1866 1867
 *
 * Walk the DMT mode list looking for a match for the given parameters.
T
Thierry Reding 已提交
1868 1869
 *
 * Return: A newly allocated copy of the mode, or NULL if not found.
1870
 */
D
Dave Airlie 已提交
1871
struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
1872 1873
					   int hsize, int vsize, int fresh,
					   bool rb)
1874
{
1875
	int i;
1876

1877
	for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
1878
		const struct drm_display_mode *ptr = &drm_dmt_modes[i];
1879 1880 1881 1882 1883 1884
		if (hsize != ptr->hdisplay)
			continue;
		if (vsize != ptr->vdisplay)
			continue;
		if (fresh != drm_mode_vrefresh(ptr))
			continue;
1885 1886
		if (rb != mode_is_rb(ptr))
			continue;
1887 1888

		return drm_mode_duplicate(dev, ptr);
1889
	}
1890 1891

	return NULL;
1892
}
D
Dave Airlie 已提交
1893
EXPORT_SYMBOL(drm_mode_find_dmt);
1894

1895 1896
typedef void detailed_cb(struct detailed_timing *timing, void *closure);

1897 1898 1899 1900
static void
cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
{
	int i, n = 0;
1901
	u8 d = ext[0x02];
1902 1903
	u8 *det_base = ext + d;

1904
	n = (127 - d) / 18;
1905 1906 1907 1908
	for (i = 0; i < n; i++)
		cb((struct detailed_timing *)(det_base + 18 * i), closure);
}

1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921
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);
}

1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933
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);

1934 1935 1936 1937 1938 1939
	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;
1940 1941 1942
		case VTB_EXT:
			vtb_for_each_detailed_block(ext, cb, closure);
			break;
1943 1944 1945 1946
		default:
			break;
		}
	}
1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962
}

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) {
1963
		bool ret = false;
1964 1965 1966 1967 1968 1969 1970
		drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
		return ret;
	}

	return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
}

1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035
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;
}

2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047
/*
 * 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);
}

D
Dave Airlie 已提交
2048 2049
/**
 * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2050 2051
 * @connector: connector of for the EDID block
 * @edid: EDID block to scan
D
Dave Airlie 已提交
2052 2053 2054
 * @t: standard timing params
 *
 * Take the standard timing params (in this case width, aspect, and refresh)
2055
 * and convert them into a real mode using CVT/GTF/DMT.
D
Dave Airlie 已提交
2056
 */
2057
static struct drm_display_mode *
2058
drm_mode_std(struct drm_connector *connector, struct edid *edid,
2059
	     struct std_timing *t)
D
Dave Airlie 已提交
2060
{
2061 2062
	struct drm_device *dev = connector->dev;
	struct drm_display_mode *m, *mode = NULL;
2063 2064
	int hsize, vsize;
	int vrefresh_rate;
M
Michel Dänzer 已提交
2065 2066
	unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
		>> EDID_TIMING_ASPECT_SHIFT;
2067 2068
	unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
		>> EDID_TIMING_VFREQ_SHIFT;
2069
	int timing_level = standard_timing_level(edid);
2070

2071 2072 2073
	if (bad_std_timing(t->hsize, t->vfreq_aspect))
		return NULL;

2074 2075 2076 2077 2078
	/* 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 */
2079
	if (aspect_ratio == 0) {
2080
		if (edid->revision < 3)
2081 2082 2083 2084
			vsize = hsize;
		else
			vsize = (hsize * 10) / 16;
	} else if (aspect_ratio == 1)
D
Dave Airlie 已提交
2085
		vsize = (hsize * 3) / 4;
M
Michel Dänzer 已提交
2086
	else if (aspect_ratio == 2)
D
Dave Airlie 已提交
2087 2088 2089
		vsize = (hsize * 4) / 5;
	else
		vsize = (hsize * 9) / 16;
A
Adam Jackson 已提交
2090 2091 2092 2093 2094 2095 2096 2097 2098

	/* HDTV hack, part 1 */
	if (vrefresh_rate == 60 &&
	    ((hsize == 1360 && vsize == 765) ||
	     (hsize == 1368 && vsize == 769))) {
		hsize = 1366;
		vsize = 768;
	}

2099 2100 2101 2102 2103 2104
	/*
	 * 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.
	 */
2105
	list_for_each_entry(m, &connector->probed_modes, head)
2106 2107 2108 2109
		if (m->hdisplay == hsize && m->vdisplay == vsize &&
		    drm_mode_vrefresh(m) == vrefresh_rate)
			return NULL;

A
Adam Jackson 已提交
2110 2111 2112
	/* HDTV hack, part 2 */
	if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
		mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2113
				    false);
2114 2115
		if (!mode)
			return NULL;
2116
		mode->hdisplay = 1366;
2117 2118
		mode->hsync_start = mode->hsync_start - 1;
		mode->hsync_end = mode->hsync_end - 1;
2119 2120
		return mode;
	}
A
Adam Jackson 已提交
2121

2122
	/* check whether it can be found in default mode table */
2123 2124 2125 2126 2127 2128 2129
	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);
2130 2131 2132
	if (mode)
		return mode;

2133
	/* okay, generate it */
2134 2135 2136 2137 2138 2139
	switch (timing_level) {
	case LEVEL_DMT:
		break;
	case LEVEL_GTF:
		mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
		break;
2140 2141 2142 2143 2144 2145 2146
	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);
2147 2148
		if (!mode)
			return NULL;
2149
		if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2150
			drm_mode_destroy(dev, mode);
2151 2152 2153 2154 2155 2156 2157 2158
			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;
2159
	case LEVEL_CVT:
2160 2161
		mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
				    false);
2162 2163
		break;
	}
D
Dave Airlie 已提交
2164 2165 2166
	return mode;
}

2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194
/*
 * 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;

K
Kulikov Vasiliy 已提交
2195
	for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208
		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;
}

D
Dave Airlie 已提交
2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225
/**
 * 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;
M
Michel Dänzer 已提交
2226 2227 2228 2229
	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;
2230 2231
	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;
2232
	unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2233
	unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
D
Dave Airlie 已提交
2234

2235
	/* ignore tiny modes */
M
Michel Dänzer 已提交
2236
	if (hactive < 64 || vactive < 64)
2237 2238
		return NULL;

M
Michel Dänzer 已提交
2239
	if (pt->misc & DRM_EDID_PT_STEREO) {
2240
		DRM_DEBUG_KMS("stereo mode not supported\n");
D
Dave Airlie 已提交
2241 2242
		return NULL;
	}
M
Michel Dänzer 已提交
2243
	if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2244
		DRM_DEBUG_KMS("composite sync not supported\n");
D
Dave Airlie 已提交
2245 2246
	}

2247 2248 2249 2250 2251 2252
	/* 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;
	}
2253 2254 2255 2256 2257 2258 2259 2260 2261

	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;
	}

D
Dave Airlie 已提交
2262 2263 2264 2265 2266
	mode = drm_mode_create(dev);
	if (!mode)
		return NULL;

	if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
M
Michel Dänzer 已提交
2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279
		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;
D
Dave Airlie 已提交
2280

2281 2282 2283 2284 2285 2286
	/* 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;

2287
	drm_mode_do_interlace_quirk(mode, pt);
D
Dave Airlie 已提交
2288 2289

	if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
M
Michel Dänzer 已提交
2290
		pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
D
Dave Airlie 已提交
2291 2292
	}

M
Michel Dänzer 已提交
2293 2294 2295 2296
	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;
D
Dave Airlie 已提交
2297

2298
set_size:
2299 2300
	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;
D
Dave Airlie 已提交
2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311

	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;
	}

2312
	mode->type = DRM_MODE_TYPE_DRIVER;
2313
	mode->vrefresh = drm_mode_vrefresh(mode);
2314 2315
	drm_mode_set_name(mode);

D
Dave Airlie 已提交
2316 2317 2318
	return mode;
}

2319
static bool
2320 2321
mode_in_hsync_range(const struct drm_display_mode *mode,
		    struct edid *edid, u8 *t)
2322 2323 2324 2325 2326 2327 2328 2329 2330
{
	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);
2331 2332
	hsync = drm_mode_hsync(mode);

2333 2334 2335 2336
	return (hsync <= hmax && hsync >= hmin);
}

static bool
2337 2338
mode_in_vsync_range(const struct drm_display_mode *mode,
		    struct edid *edid, u8 *t)
2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368
{
	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
2369
mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2370 2371 2372 2373 2374 2375
	      struct detailed_timing *timing)
{
	u32 max_clock;
	u8 *t = (u8 *)timing;

	if (!mode_in_hsync_range(mode, edid, t))
2376 2377
		return false;

2378
	if (!mode_in_vsync_range(mode, edid, t))
2379 2380
		return false;

2381
	if ((max_clock = range_pixel_clock(edid, t)))
2382 2383
		if (mode->clock > max_clock)
			return false;
2384 2385 2386 2387 2388 2389 2390 2391

	/* 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;
2392 2393 2394 2395

	return true;
}

2396 2397 2398
static bool valid_inferred_mode(const struct drm_connector *connector,
				const struct drm_display_mode *mode)
{
2399
	const struct drm_display_mode *m;
2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413
	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;
}

2414
static int
2415
drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2416
			struct detailed_timing *timing)
2417 2418 2419 2420 2421
{
	int i, modes = 0;
	struct drm_display_mode *newmode;
	struct drm_device *dev = connector->dev;

2422
	for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2423 2424
		if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
		    valid_inferred_mode(connector, drm_dmt_modes + i)) {
2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435
			newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
			if (newmode) {
				drm_mode_probed_add(connector, newmode);
				modes++;
			}
		}
	}

	return modes;
}

2436 2437 2438
/* fix up 1366x768 mode from 1368x768;
 * GFT/CVT can't express 1366 width which isn't dividable by 8
 */
2439
void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2440 2441 2442 2443 2444 2445 2446 2447 2448
{
	if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
		mode->hdisplay = 1366;
		mode->hsync_start--;
		mode->hsync_end--;
		drm_mode_set_name(mode);
	}
}

2449 2450 2451 2452 2453 2454 2455 2456
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;

2457
	for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2458 2459
		const struct minimode *m = &extra_modes[i];
		newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2460 2461
		if (!newmode)
			return modes;
2462

2463
		drm_mode_fixup_1366x768(newmode);
2464 2465
		if (!mode_in_range(newmode, edid, timing) ||
		    !valid_inferred_mode(connector, newmode)) {
2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485
			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);

2486
	for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2487 2488
		const struct minimode *m = &extra_modes[i];
		newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2489 2490
		if (!newmode)
			return modes;
2491

2492
		drm_mode_fixup_1366x768(newmode);
2493 2494
		if (!mode_in_range(newmode, edid, timing) ||
		    !valid_inferred_mode(connector, newmode)) {
2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505
			drm_mode_destroy(dev, newmode);
			continue;
		}

		drm_mode_probed_add(connector, newmode);
		modes++;
	}

	return modes;
}

2506 2507
static void
do_inferred_modes(struct detailed_timing *timing, void *c)
2508
{
2509 2510
	struct detailed_mode_closure *closure = c;
	struct detailed_non_pixel *data = &timing->data.other_data;
2511
	struct detailed_data_monitor_range *range = &data->data.range;
2512

2513 2514 2515 2516 2517 2518
	if (data->type != EDID_DETAIL_MONITOR_RANGE)
		return;

	closure->modes += drm_dmt_modes_for_range(closure->connector,
						  closure->edid,
						  timing);
2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541
	
	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;
	}
2542
}
2543

2544 2545 2546 2547
static int
add_inferred_modes(struct drm_connector *connector, struct edid *edid)
{
	struct detailed_mode_closure closure = {
2548 2549
		.connector = connector,
		.edid = edid,
2550
	};
2551

2552 2553 2554
	if (version_greater(edid, 1, 0))
		drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
					    &closure);
2555

2556
	return closure.modes;
2557 2558
}

2559 2560 2561 2562 2563
static int
drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
{
	int i, j, m, modes = 0;
	struct drm_display_mode *mode;
2564
	u8 *est = ((u8 *)timing) + 6;
2565 2566

	for (i = 0; i < 6; i++) {
2567
		for (j = 7; j >= 0; j--) {
2568
			m = (i * 8) + (7 - j);
K
Kulikov Vasiliy 已提交
2569
			if (m >= ARRAY_SIZE(est3_modes))
2570 2571
				break;
			if (est[i] & (1 << j)) {
D
Dave Airlie 已提交
2572 2573 2574
				mode = drm_mode_find_dmt(connector->dev,
							 est3_modes[m].w,
							 est3_modes[m].h,
2575 2576
							 est3_modes[m].r,
							 est3_modes[m].rb);
2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587
				if (mode) {
					drm_mode_probed_add(connector, mode);
					modes++;
				}
			}
		}
	}

	return modes;
}

2588 2589
static void
do_established_modes(struct detailed_timing *timing, void *c)
2590
{
2591
	struct detailed_mode_closure *closure = c;
2592 2593
	struct detailed_non_pixel *data = &timing->data.other_data;

2594 2595 2596
	if (data->type == EDID_DETAIL_EST_TIMINGS)
		closure->modes += drm_est3_modes(closure->connector, timing);
}
2597

2598 2599
/**
 * add_established_modes - get est. modes from EDID and add them
T
Thierry Reding 已提交
2600
 * @connector: connector to add mode(s) to
2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614
 * @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 = {
2615 2616
		.connector = connector,
		.edid = edid,
2617
	};
2618

2619 2620 2621 2622 2623 2624 2625 2626 2627
	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++;
			}
		}
2628 2629
	}

2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646
	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;
2647 2648 2649 2650 2651
		for (i = 0; i < 6; i++) {
			struct std_timing *std;
			struct drm_display_mode *newmode;

			std = &data->data.timings[i];
2652
			newmode = drm_mode_std(connector, edid, std);
2653 2654
			if (newmode) {
				drm_mode_probed_add(connector, newmode);
2655
				closure->modes++;
2656 2657 2658 2659 2660
			}
		}
	}
}

D
Dave Airlie 已提交
2661
/**
2662
 * add_standard_modes - get std. modes from EDID and add them
T
Thierry Reding 已提交
2663
 * @connector: connector to add mode(s) to
D
Dave Airlie 已提交
2664 2665
 * @edid: EDID block to scan
 *
2666 2667
 * Standard modes can be calculated using the appropriate standard (DMT,
 * GTF or CVT. Grab them from @edid and add them to the list.
D
Dave Airlie 已提交
2668
 */
2669 2670
static int
add_standard_modes(struct drm_connector *connector, struct edid *edid)
D
Dave Airlie 已提交
2671
{
2672
	int i, modes = 0;
2673
	struct detailed_mode_closure closure = {
2674 2675
		.connector = connector,
		.edid = edid,
2676 2677 2678 2679 2680 2681
	};

	for (i = 0; i < EDID_STD_TIMINGS; i++) {
		struct drm_display_mode *newmode;

		newmode = drm_mode_std(connector, edid,
2682
				       &edid->standard_timings[i]);
2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696
		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;
}
D
Dave Airlie 已提交
2697

2698 2699 2700 2701 2702 2703 2704 2705 2706
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 };
2707

2708 2709 2710
	for (i = 0; i < 4; i++) {
		int uninitialized_var(width), height;
		cvt = &(timing->data.other_data.data.cvt[i]);
D
Dave Airlie 已提交
2711

2712
		if (!memcmp(cvt->code, empty, 3))
2713
			continue;
D
Dave Airlie 已提交
2714

2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741
		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++;
				}
			}
		}
D
Dave Airlie 已提交
2742 2743 2744 2745
	}

	return modes;
}
2746

2747 2748
static void
do_cvt_mode(struct detailed_timing *timing, void *c)
2749
{
2750 2751
	struct detailed_mode_closure *closure = c;
	struct detailed_non_pixel *data = &timing->data.other_data;
2752

2753 2754 2755
	if (data->type == EDID_DETAIL_CVT_3BYTE)
		closure->modes += drm_cvt_modes(closure->connector, timing);
}
2756

2757 2758 2759 2760
static int
add_cvt_modes(struct drm_connector *connector, struct edid *edid)
{	
	struct detailed_mode_closure closure = {
2761 2762
		.connector = connector,
		.edid = edid,
2763
	};
2764

2765 2766
	if (version_greater(edid, 1, 2))
		drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
2767

2768
	/* XXX should also look for CVT codes in VTB blocks */
2769

2770 2771 2772
	return closure.modes;
}

2773 2774
static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);

2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790
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;

2791 2792 2793 2794 2795 2796 2797
		/*
		 * 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);

2798 2799
		drm_mode_probed_add(closure->connector, newmode);
		closure->modes++;
2800
		closure->preferred = false;
2801
	}
2802
}
2803

2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814
/*
 * 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 = {
2815 2816
		.connector = connector,
		.edid = edid,
2817
		.preferred = true,
2818
		.quirks = quirks,
2819 2820 2821 2822 2823 2824 2825 2826 2827
	};

	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;
2828
}
D
Dave Airlie 已提交
2829

2830
#define AUDIO_BLOCK	0x01
2831
#define VIDEO_BLOCK     0x02
2832
#define VENDOR_BLOCK    0x03
2833
#define SPEAKER_BLOCK	0x04
2834 2835
#define USE_EXTENDED_TAG 0x07
#define EXT_VIDEO_CAPABILITY_BLOCK 0x00
2836 2837
#define EXT_VIDEO_DATA_BLOCK_420	0x0E
#define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
2838
#define EDID_BASIC_AUDIO	(1 << 6)
2839 2840
#define EDID_CEA_YCRCB444	(1 << 5)
#define EDID_CEA_YCRCB422	(1 << 4)
2841
#define EDID_CEA_VCDB_QS	(1 << 6)
2842

2843
/*
2844
 * Search EDID for CEA extension block.
2845
 */
2846
static u8 *drm_find_edid_extension(const struct edid *edid, int ext_id)
2847
{
2848 2849
	u8 *edid_ext = NULL;
	int i;
2850 2851 2852

	/* No EDID or EDID extensions */
	if (edid == NULL || edid->extensions == 0)
2853
		return NULL;
2854 2855

	/* Find CEA extension */
2856
	for (i = 0; i < edid->extensions; i++) {
2857
		edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
2858
		if (edid_ext[0] == ext_id)
2859 2860 2861
			break;
	}

2862
	if (i == edid->extensions)
2863 2864 2865 2866 2867
		return NULL;

	return edid_ext;
}

2868
static u8 *drm_find_cea_extension(const struct edid *edid)
2869 2870 2871 2872
{
	return drm_find_edid_extension(edid, CEA_EXT);
}

2873
static u8 *drm_find_displayid_extension(const struct edid *edid)
2874 2875 2876 2877
{
	return drm_find_edid_extension(edid, DISPLAYID_EXT);
}

2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895
/*
 * 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)
2896
		clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
2897
	else
2898
		clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
2899 2900 2901 2902

	return clock;
}

2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937
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;
}

2938 2939 2940
static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
					     unsigned int clock_tolerance)
{
2941
	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
2942
	u8 vic;
2943 2944 2945 2946

	if (!to_match->clock)
		return 0;

2947 2948 2949
	if (to_match->picture_aspect_ratio)
		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;

2950
	for (vic = 1; vic < ARRAY_SIZE(edid_cea_modes); vic++) {
2951
		struct drm_display_mode cea_mode = edid_cea_modes[vic];
2952 2953 2954
		unsigned int clock1, clock2;

		/* Check both 60Hz and 59.94Hz */
2955 2956
		clock1 = cea_mode.clock;
		clock2 = cea_mode_alternate_clock(&cea_mode);
2957 2958 2959 2960 2961

		if (abs(to_match->clock - clock1) > clock_tolerance &&
		    abs(to_match->clock - clock2) > clock_tolerance)
			continue;

2962
		do {
2963
			if (drm_mode_match(to_match, &cea_mode, match_flags))
2964 2965
				return vic;
		} while (cea_mode_alternate_timings(vic, &cea_mode));
2966 2967 2968 2969 2970
	}

	return 0;
}

2971 2972 2973 2974
/**
 * drm_match_cea_mode - look for a CEA mode matching given mode
 * @to_match: display mode
 *
T
Thierry Reding 已提交
2975
 * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
2976
 * mode.
2977
 */
2978
u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
2979
{
2980
	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
2981
	u8 vic;
2982

2983 2984 2985
	if (!to_match->clock)
		return 0;

2986 2987 2988
	if (to_match->picture_aspect_ratio)
		match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;

2989
	for (vic = 1; vic < ARRAY_SIZE(edid_cea_modes); vic++) {
2990
		struct drm_display_mode cea_mode = edid_cea_modes[vic];
2991 2992 2993
		unsigned int clock1, clock2;

		/* Check both 60Hz and 59.94Hz */
2994 2995
		clock1 = cea_mode.clock;
		clock2 = cea_mode_alternate_clock(&cea_mode);
2996

2997 2998 2999 3000 3001
		if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
		    KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
			continue;

		do {
3002
			if (drm_mode_match(to_match, &cea_mode, match_flags))
3003 3004
				return vic;
		} while (cea_mode_alternate_timings(vic, &cea_mode));
3005
	}
3006

3007 3008 3009 3010
	return 0;
}
EXPORT_SYMBOL(drm_match_cea_mode);

3011 3012 3013 3014 3015
static bool drm_valid_cea_vic(u8 vic)
{
	return vic > 0 && vic < ARRAY_SIZE(edid_cea_modes);
}

3016 3017 3018 3019 3020 3021 3022 3023 3024
/**
 * 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)
{
3025
	return edid_cea_modes[video_code].picture_aspect_ratio;
3026 3027 3028
}
EXPORT_SYMBOL(drm_get_cea_aspect_ratio);

3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045
/*
 * 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);
}

3046 3047 3048
static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
					      unsigned int clock_tolerance)
{
3049
	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3050
	u8 vic;
3051 3052 3053 3054

	if (!to_match->clock)
		return 0;

3055 3056
	for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
		const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3057 3058 3059 3060 3061 3062 3063 3064 3065 3066
		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;

3067
		if (drm_mode_match(to_match, hdmi_mode, match_flags))
3068
			return vic;
3069 3070 3071 3072 3073
	}

	return 0;
}

3074 3075 3076 3077 3078 3079 3080 3081 3082 3083
/*
 * 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)
{
3084
	unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3085
	u8 vic;
3086 3087 3088 3089

	if (!to_match->clock)
		return 0;

3090 3091
	for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
		const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3092 3093 3094 3095 3096 3097 3098 3099
		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)) &&
3100
		    drm_mode_match(to_match, hdmi_mode, match_flags))
3101
			return vic;
3102 3103 3104 3105
	}
	return 0;
}

3106 3107 3108 3109 3110
static bool drm_valid_hdmi_vic(u8 vic)
{
	return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
}

3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127
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) {
3128
		const struct drm_display_mode *cea_mode = NULL;
3129
		struct drm_display_mode *newmode;
3130
		u8 vic = drm_match_cea_mode(mode);
3131 3132
		unsigned int clock1, clock2;

3133 3134
		if (drm_valid_cea_vic(vic)) {
			cea_mode = &edid_cea_modes[vic];
3135 3136
			clock2 = cea_mode_alternate_clock(cea_mode);
		} else {
3137 3138 3139
			vic = drm_match_hdmi_mode(mode);
			if (drm_valid_hdmi_vic(vic)) {
				cea_mode = &edid_4k_modes[vic];
3140 3141 3142
				clock2 = hdmi_mode_alternate_clock(cea_mode);
			}
		}
3143

3144 3145
		if (!cea_mode)
			continue;
3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158

		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;

3159 3160 3161
		/* Carry over the stereo flags */
		newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;

3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181
		/*
		 * 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;
}
3182

3183 3184 3185 3186 3187 3188 3189 3190 3191
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;
}

3192 3193 3194 3195
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)
3196 3197
{
	struct drm_device *dev = connector->dev;
3198
	struct drm_display_mode *newmode;
3199
	u8 vic;
3200

3201 3202 3203 3204
	if (video_db == NULL || video_index >= video_len)
		return NULL;

	/* CEA modes are numbered 1..127 */
3205
	vic = svd_to_vic(video_db[video_index]);
3206
	if (!drm_valid_cea_vic(vic))
3207 3208
		return NULL;

3209
	newmode = drm_mode_duplicate(dev, &edid_cea_modes[vic]);
3210 3211 3212
	if (!newmode)
		return NULL;

3213 3214 3215 3216 3217
	newmode->vrefresh = 0;

	return newmode;
}

3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274
/*
 * 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);
}

3275 3276 3277 3278
static int
do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
{
	int i, modes = 0;
3279
	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3280 3281 3282 3283 3284

	for (i = 0; i < len; i++) {
		struct drm_display_mode *mode;
		mode = drm_display_mode_from_vic_index(connector, db, len, i);
		if (mode) {
3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296
			/*
			 * 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]);

3297 3298
			drm_mode_probed_add(connector, mode);
			modes++;
3299 3300 3301 3302 3303 3304
		}
	}

	return modes;
}

3305 3306 3307 3308 3309 3310
struct stereo_mandatory_mode {
	int width, height, vrefresh;
	unsigned int flags;
};

static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3311 3312
	{ 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
	{ 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3313 3314 3315 3316
	{ 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 },
3317 3318 3319 3320
	{ 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 }
3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339
};

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;
3340
	int modes = 0, i;
3341 3342 3343 3344

	INIT_LIST_HEAD(&stereo_modes);

	list_for_each_entry(mode, &connector->probed_modes, head) {
3345 3346
		for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
			const struct stereo_mandatory_mode *mandatory;
3347 3348
			struct drm_display_mode *new_mode;

3349 3350 3351
			if (!stereo_match_mandatory(mode,
						    &stereo_mandatory_modes[i]))
				continue;
3352

3353
			mandatory = &stereo_mandatory_modes[i];
3354 3355 3356 3357
			new_mode = drm_mode_duplicate(dev, mode);
			if (!new_mode)
				continue;

3358
			new_mode->flags |= mandatory->flags;
3359 3360
			list_add_tail(&new_mode->head, &stereo_modes);
			modes++;
3361
		}
3362 3363 3364 3365 3366 3367 3368
	}

	list_splice_tail(&stereo_modes, &connector->probed_modes);

	return modes;
}

3369 3370 3371 3372 3373
static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
{
	struct drm_device *dev = connector->dev;
	struct drm_display_mode *newmode;

3374
	if (!drm_valid_hdmi_vic(vic)) {
3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387
		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;
}

3388 3389 3390 3391 3392 3393 3394
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)) {
3395 3396 3397
		newmode = drm_display_mode_from_vic_index(connector, video_db,
							  video_len,
							  video_index);
3398 3399 3400 3401 3402 3403 3404
		if (newmode) {
			newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
			drm_mode_probed_add(connector, newmode);
			modes++;
		}
	}
	if (structure & (1 << 6)) {
3405 3406 3407
		newmode = drm_display_mode_from_vic_index(connector, video_db,
							  video_len,
							  video_index);
3408 3409 3410 3411 3412 3413 3414
		if (newmode) {
			newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
			drm_mode_probed_add(connector, newmode);
			modes++;
		}
	}
	if (structure & (1 << 8)) {
3415 3416 3417
		newmode = drm_display_mode_from_vic_index(connector, video_db,
							  video_len,
							  video_index);
3418
		if (newmode) {
3419
			newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3420 3421 3422 3423 3424 3425 3426 3427
			drm_mode_probed_add(connector, newmode);
			modes++;
		}
	}

	return modes;
}

3428 3429 3430 3431 3432 3433
/*
 * 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]
 *
3434 3435
 * Parses the HDMI VSDB looking for modes to add to @connector. This function
 * also adds the stereo 3d modes when applicable.
3436 3437
 */
static int
3438 3439
do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
		   const u8 *video_db, u8 video_len)
3440
{
3441
	struct drm_display_info *info = &connector->display_info;
3442
	int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3443 3444 3445
	u8 vic_len, hdmi_3d_len = 0;
	u16 mask;
	u16 structure_all;
3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463

	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 */
3464
	if (len < (8 + offset + 2))
3465 3466
		goto out;

3467 3468
	/* 3D_Present */
	offset++;
3469
	if (db[8 + offset] & (1 << 7)) {
3470 3471
		modes += add_hdmi_mandatory_stereo_modes(connector);

3472 3473 3474 3475
		/* 3D_Multi_present */
		multi_present = (db[8 + offset] & 0x60) >> 5;
	}

3476
	offset++;
3477
	vic_len = db[8 + offset] >> 5;
3478
	hdmi_3d_len = db[8 + offset] & 0x1f;
3479 3480 3481 3482 3483

	for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
		u8 vic;

		vic = db[9 + offset + i];
3484
		modes += add_hdmi_mode(connector, vic);
3485
	}
3486 3487
	offset += 1 + vic_len;

3488 3489 3490 3491 3492 3493
	if (multi_present == 1)
		multi_len = 2;
	else if (multi_present == 2)
		multi_len = 4;
	else
		multi_len = 0;
3494

3495
	if (len < (8 + offset + hdmi_3d_len - 1))
3496 3497
		goto out;

3498
	if (hdmi_3d_len < multi_len)
3499 3500
		goto out;

3501 3502 3503
	if (multi_present == 1 || multi_present == 2) {
		/* 3D_Structure_ALL */
		structure_all = (db[8 + offset] << 8) | db[9 + offset];
3504

3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565
		/* 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++;
3566
	}
3567 3568

out:
3569 3570
	if (modes > 0)
		info->has_hdmi_infoframe = true;
3571 3572 3573
	return modes;
}

3574 3575 3576 3577 3578 3579
static int
cea_db_payload_len(const u8 *db)
{
	return db[0] & 0x1f;
}

3580 3581 3582 3583 3584 3585
static int
cea_db_extended_tag(const u8 *db)
{
	return db[1];
}

3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610
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)
{
	/* Data block offset in CEA extension block */
	*start = 4;
	*end = cea[2];
	if (*end == 0)
		*end = 127;
	if (*end < 4 || *end > 127)
		return -ERANGE;
	return 0;
}

3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622
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);

3623
	return hdmi_id == HDMI_IEEE_OUI;
3624 3625
}

3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640
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;
}

3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668
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;
}

3669 3670 3671
#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)

3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711
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;
}

3712 3713 3714
static int
add_cea_modes(struct drm_connector *connector, struct edid *edid)
{
3715
	const u8 *cea = drm_find_cea_extension(edid);
3716 3717
	const u8 *db, *hdmi = NULL, *video = NULL;
	u8 dbl, hdmi_len, video_len = 0;
3718 3719
	int modes = 0;

3720 3721 3722 3723 3724 3725 3726 3727 3728 3729
	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);

3730 3731 3732 3733
			if (cea_db_tag(db) == VIDEO_BLOCK) {
				video = db + 1;
				video_len = dbl;
				modes += do_cea_modes(connector, video, dbl);
3734
			} else if (cea_db_is_hdmi_vsdb(db)) {
3735 3736
				hdmi = db;
				hdmi_len = dbl;
3737 3738 3739 3740 3741 3742 3743
			} 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);
3744
			}
3745 3746 3747
		}
	}

3748 3749 3750 3751 3752
	/*
	 * 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)
3753 3754
		modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
					    video_len);
3755

3756 3757 3758
	return modes;
}

3759 3760 3761 3762
static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
{
	const struct drm_display_mode *cea_mode;
	int clock1, clock2, clock;
3763
	u8 vic;
3764 3765
	const char *type;

3766 3767 3768 3769
	/*
	 * allow 5kHz clock difference either way to account for
	 * the 10kHz clock resolution limit of detailed timings.
	 */
3770 3771
	vic = drm_match_cea_mode_clock_tolerance(mode, 5);
	if (drm_valid_cea_vic(vic)) {
3772
		type = "CEA";
3773
		cea_mode = &edid_cea_modes[vic];
3774 3775 3776
		clock1 = cea_mode->clock;
		clock2 = cea_mode_alternate_clock(cea_mode);
	} else {
3777 3778
		vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
		if (drm_valid_hdmi_vic(vic)) {
3779
			type = "HDMI";
3780
			cea_mode = &edid_4k_modes[vic];
3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797
			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",
3798
		  type, vic, mode->clock, clock);
3799 3800 3801
	mode->clock = clock;
}

3802
static void
3803
drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
3804
{
3805
	u8 len = cea_db_payload_len(db);
3806

3807 3808
	if (len >= 6 && (db[6] & (1 << 7)))
		connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820
	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];
3821

3822 3823 3824 3825 3826 3827 3828 3829 3830
	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]);
3831 3832 3833 3834 3835 3836 3837
}

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;
3838 3839
}

3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879
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);

3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891
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;
}

3892
/*
3893 3894 3895 3896
 * drm_edid_to_eld - build ELD from EDID
 * @connector: connector corresponding to the HDMI/DP sink
 * @edid: EDID to parse
 *
T
Thierry Reding 已提交
3897
 * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
3898
 * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
3899
 */
3900
static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
3901 3902 3903 3904
{
	uint8_t *eld = connector->eld;
	u8 *cea;
	u8 *db;
3905
	int total_sad_count = 0;
3906 3907 3908
	int mnl;
	int dbl;

3909
	clear_eld(connector);
3910

3911 3912 3913
	if (!edid)
		return;

3914 3915 3916 3917 3918 3919
	cea = drm_find_cea_extension(edid);
	if (!cea) {
		DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
		return;
	}

3920 3921
	mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
	DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
3922

3923 3924
	eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
	eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
3925

3926
	eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
3927

3928 3929 3930 3931
	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];
3932

3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945
	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)) {
3946 3947
				int sad_count;

3948 3949
			case AUDIO_BLOCK:
				/* Audio Data Block, contains SADs */
3950 3951
				sad_count = min(dbl / 3, 15 - total_sad_count);
				if (sad_count >= 1)
3952
					memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
3953 3954
					       &db[1], sad_count * 3);
				total_sad_count += sad_count;
3955 3956
				break;
			case SPEAKER_BLOCK:
3957 3958
				/* Speaker Allocation Data Block */
				if (dbl >= 1)
3959
					eld[DRM_ELD_SPEAKER] = db[1];
3960 3961 3962
				break;
			case VENDOR_BLOCK:
				/* HDMI Vendor-Specific Data Block */
3963
				if (cea_db_is_hdmi_vsdb(db))
3964
					drm_parse_hdmi_vsdb_audio(connector, db);
3965 3966 3967 3968
				break;
			default:
				break;
			}
3969
		}
3970
	}
3971
	eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
3972

3973 3974 3975 3976 3977
	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;
3978

3979 3980 3981 3982
	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",
3983
		      drm_eld_size(eld), total_sad_count);
3984 3985
}

3986 3987 3988 3989 3990 3991 3992
/**
 * 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.
 *
T
Thierry Reding 已提交
3993 3994 3995
 * Note: The returned pointer needs to be freed using kfree().
 *
 * Return: The number of found SADs or negative number on error.
3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045
 */
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);

4046 4047 4048 4049 4050 4051 4052
/**
 * 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.
 *
T
Thierry Reding 已提交
4053 4054 4055 4056
 * Note: The returned pointer needs to be freed using kfree().
 *
 * Return: The number of found Speaker Allocation Blocks or negative number on
 * error.
4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087
 */
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) {
4088
				*sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4089 4090
				if (!*sadb)
					return -ENOMEM;
4091 4092 4093 4094 4095 4096 4097 4098 4099 4100
				count = dbl;
				break;
			}
		}
	}

	return count;
}
EXPORT_SYMBOL(drm_edid_to_speaker_allocation);

4101
/**
T
Thierry Reding 已提交
4102
 * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4103 4104
 * @connector: connector associated with the HDMI/DP sink
 * @mode: the display mode
T
Thierry Reding 已提交
4105 4106 4107
 *
 * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
 * the sink doesn't support audio or video.
4108 4109
 */
int drm_av_sync_delay(struct drm_connector *connector,
4110
		      const struct drm_display_mode *mode)
4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141
{
	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);

4142
/**
T
Thierry Reding 已提交
4143
 * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4144 4145 4146
 * @edid: monitor EDID information
 *
 * Parse the CEA extension according to CEA-861-B.
T
Thierry Reding 已提交
4147 4148
 *
 * Return: True if the monitor is HDMI, false if not or unknown.
4149 4150 4151 4152
 */
bool drm_detect_hdmi_monitor(struct edid *edid)
{
	u8 *edid_ext;
4153
	int i;
4154 4155 4156 4157
	int start_offset, end_offset;

	edid_ext = drm_find_cea_extension(edid);
	if (!edid_ext)
4158
		return false;
4159

4160
	if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4161
		return false;
4162 4163 4164 4165 4166

	/*
	 * Because HDMI identifier is in Vendor Specific Block,
	 * search it from all data blocks of CEA extension.
	 */
4167
	for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4168 4169
		if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
			return true;
4170 4171
	}

4172
	return false;
4173 4174 4175
}
EXPORT_SYMBOL(drm_detect_hdmi_monitor);

4176 4177
/**
 * drm_detect_monitor_audio - check monitor audio capability
4178
 * @edid: EDID block to scan
4179 4180 4181 4182 4183 4184 4185
 *
 * 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.
 *
T
Thierry Reding 已提交
4186
 * Return: True if the monitor supports audio, false otherwise.
4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203 4204 4205
 */
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[3] & EDID_BASIC_AUDIO) != 0);

	if (has_audio) {
		DRM_DEBUG_KMS("Monitor has basic audio support\n");
		goto end;
	}

4206 4207
	if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
		goto end;
4208

4209 4210
	for_each_cea_db(edid_ext, i, start_offset, end_offset) {
		if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4211
			has_audio = true;
4212
			for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4213 4214 4215 4216 4217 4218 4219 4220 4221 4222
				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);

4223 4224
/**
 * drm_rgb_quant_range_selectable - is RGB quantization range selectable?
4225
 * @edid: EDID block to scan
4226 4227 4228 4229
 *
 * 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.
T
Thierry Reding 已提交
4230 4231
 *
 * Return: True if the RGB quantization range is selectable, false otherwise.
4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245
 */
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) {
4246 4247 4248 4249
		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) {
4250 4251 4252 4253 4254 4255 4256 4257 4258
			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);

4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277
/**
 * 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);

4278 4279 4280 4281 4282 4283 4284 4285 4286 4287
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;
}

4288 4289 4290
static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
				 const u8 *hf_vsdb)
{
4291 4292
	struct drm_display_info *display = &connector->display_info;
	struct drm_hdmi_info *hdmi = &display->hdmi;
4293

4294 4295
	display->has_hdmi_infoframe = true;

4296 4297 4298 4299 4300
	if (hf_vsdb[6] & 0x80) {
		hdmi->scdc.supported = true;
		if (hf_vsdb[6] & 0x40)
			hdmi->scdc.read_request = true;
	}
4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329

	/*
	 * 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;
		}
	}
4330 4331

	drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
4332 4333
}

4334 4335
static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
					   const u8 *hdmi)
4336
{
4337
	struct drm_display_info *info = &connector->display_info;
4338 4339
	unsigned int dc_bpc = 0;

4340 4341
	/* HDMI supports at least 8 bpc */
	info->bpc = 8;
4342

4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369 4370 4371 4372 4373 4374 4375
	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;
4376 4377

	/*
4378 4379 4380
	 * Deep color support mandates RGB444 support for all video
	 * modes and forbids YCRCB422 support for all video modes per
	 * HDMI 1.3 spec.
4381
	 */
4382
	info->color_formats = DRM_COLOR_FORMAT_RGB444;
4383

4384 4385 4386 4387 4388 4389
	/* YCRCB444 is optional according to spec. */
	if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
		DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
			  connector->name);
	}
4390

4391 4392 4393 4394 4395 4396 4397 4398 4399
	/*
	 * 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);
	}
}
4400

4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418 4419
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);
}

4420
static void drm_parse_cea_ext(struct drm_connector *connector,
4421
			      const struct edid *edid)
4422 4423 4424 4425
{
	struct drm_display_info *info = &connector->display_info;
	const u8 *edid_ext;
	int i, start, end;
4426

4427 4428 4429
	edid_ext = drm_find_cea_extension(edid);
	if (!edid_ext)
		return;
4430

4431
	info->cea_rev = edid_ext[1];
4432

4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445
	/* 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];

4446 4447
		if (cea_db_is_hdmi_vsdb(db))
			drm_parse_hdmi_vsdb_video(connector, db);
4448 4449
		if (cea_db_is_hdmi_forum_vsdb(db))
			drm_parse_hdmi_forum_vsdb(connector, db);
4450 4451
		if (cea_db_is_y420cmdb(db))
			drm_parse_y420cmdb_bitmap(connector, db);
4452
	}
4453 4454
}

4455 4456 4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467 4468 4469 4470 4471
/* 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;
4472
	memset(&info->hdmi, 0, sizeof(info->hdmi));
4473 4474 4475 4476 4477

	info->non_desktop = 0;
}

u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
J
Jesse Barnes 已提交
4478
{
4479
	struct drm_display_info *info = &connector->display_info;
4480

4481 4482
	u32 quirks = edid_get_quirks(edid);

4483 4484
	drm_reset_display_info(connector);

J
Jesse Barnes 已提交
4485 4486 4487
	info->width_mm = edid->width_cm * 10;
	info->height_mm = edid->height_cm * 10;

4488 4489
	info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);

4490 4491
	DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);

4492
	if (edid->revision < 3)
4493
		return quirks;
J
Jesse Barnes 已提交
4494 4495

	if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
4496
		return quirks;
J
Jesse Barnes 已提交
4497

4498
	drm_parse_cea_ext(connector, edid);
4499

4500 4501 4502 4503 4504 4505 4506 4507 4508 4509 4510 4511 4512 4513
	/*
	 * 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);
	}

4514 4515
	/* Only defined for 1.4 with digital displays */
	if (edid->revision < 4)
4516
		return quirks;
4517

J
Jesse Barnes 已提交
4518 4519 4520 4521 4522 4523 4524 4525 4526 4527 4528 4529 4530 4531 4532 4533 4534 4535 4536 4537 4538 4539 4540 4541
	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;
	}
4542

4543
	DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
4544
			  connector->name, info->bpc);
4545

4546
	info->color_formats |= DRM_COLOR_FORMAT_RGB444;
4547 4548 4549 4550
	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;
4551
	return quirks;
J
Jesse Barnes 已提交
4552 4553
}

4554 4555 4556 4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567 4568 4569 4570
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) {
4571
		DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum);
4572 4573 4574 4575 4576
		return -EINVAL;
	}
	return 0;
}

4577 4578 4579 4580 4581 4582 4583 4584 4585 4586 4587 4588 4589 4590 4591 4592 4593 4594 4595 4596 4597 4598 4599 4600 4601 4602 4603 4604 4605 4606 4607 4608 4609 4610 4611 4612 4613 4614 4615 4616 4617 4618 4619 4620 4621 4622 4623 4624 4625 4626 4627 4628 4629 4630 4631 4632 4633 4634 4635 4636 4637 4638 4639 4640 4641 4642 4643 4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654 4655 4656 4657 4658 4659 4660 4661 4662 4663 4664 4665 4666 4667 4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678 4679 4680
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));
	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;
}

D
Dave Airlie 已提交
4681 4682 4683
/**
 * drm_add_edid_modes - add modes from EDID data, if available
 * @connector: connector we're probing
T
Thierry Reding 已提交
4684
 * @edid: EDID data
D
Dave Airlie 已提交
4685
 *
D
Daniel Vetter 已提交
4686
 * Add the specified modes to the connector's mode list. Also fills out the
4687 4688
 * &drm_display_info structure and ELD in @connector with any information which
 * can be derived from the edid.
D
Dave Airlie 已提交
4689
 *
T
Thierry Reding 已提交
4690
 * Return: The number of modes added or 0 if we couldn't find any.
D
Dave Airlie 已提交
4691 4692 4693 4694 4695 4696 4697
 */
int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
{
	int num_modes = 0;
	u32 quirks;

	if (edid == NULL) {
4698
		clear_eld(connector);
D
Dave Airlie 已提交
4699 4700
		return 0;
	}
4701
	if (!drm_edid_is_valid(edid)) {
4702
		clear_eld(connector);
4703
		dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
4704
			 connector->name);
D
Dave Airlie 已提交
4705 4706 4707
		return 0;
	}

4708 4709
	drm_edid_to_eld(connector, edid);

4710 4711 4712 4713 4714
	/*
	 * 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.
	 */
4715
	quirks = drm_add_display_info(connector, edid);
4716

4717 4718 4719 4720 4721 4722 4723 4724 4725 4726
	/*
	 * 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
	 *
4727
	 * We get this pretty much right.
4728 4729 4730
	 *
	 * XXX order for additional mode types in extension blocks?
	 */
4731 4732
	num_modes += add_detailed_modes(connector, edid, quirks);
	num_modes += add_cvt_modes(connector, edid);
4733 4734
	num_modes += add_standard_modes(connector, edid);
	num_modes += add_established_modes(connector, edid);
4735
	num_modes += add_cea_modes(connector, edid);
4736
	num_modes += add_alternate_cea_modes(connector, edid);
4737
	num_modes += add_displayid_detailed_modes(connector, edid);
4738 4739
	if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
		num_modes += add_inferred_modes(connector, edid);
D
Dave Airlie 已提交
4740 4741 4742 4743

	if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
		edid_fixup_preferred(connector, quirks);

4744 4745 4746
	if (quirks & EDID_QUIRK_FORCE_6BPC)
		connector->display_info.bpc = 6;

4747 4748 4749
	if (quirks & EDID_QUIRK_FORCE_8BPC)
		connector->display_info.bpc = 8;

4750 4751 4752
	if (quirks & EDID_QUIRK_FORCE_10BPC)
		connector->display_info.bpc = 10;

4753 4754 4755
	if (quirks & EDID_QUIRK_FORCE_12BPC)
		connector->display_info.bpc = 12;

D
Dave Airlie 已提交
4756 4757 4758
	return num_modes;
}
EXPORT_SYMBOL(drm_add_edid_modes);
4759 4760 4761 4762 4763 4764 4765 4766 4767 4768

/**
 * 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.
 *
T
Thierry Reding 已提交
4769
 * Return: The number of modes added or 0 if we couldn't find any.
4770 4771 4772 4773 4774
 */
int drm_add_modes_noedid(struct drm_connector *connector,
			int hdisplay, int vdisplay)
{
	int i, count, num_modes = 0;
4775
	struct drm_display_mode *mode;
4776 4777
	struct drm_device *dev = connector->dev;

4778
	count = ARRAY_SIZE(drm_dmt_modes);
4779 4780 4781 4782 4783 4784
	if (hdisplay < 0)
		hdisplay = 0;
	if (vdisplay < 0)
		vdisplay = 0;

	for (i = 0; i < count; i++) {
4785
		const struct drm_display_mode *ptr = &drm_dmt_modes[i];
4786 4787 4788 4789 4790 4791 4792 4793 4794 4795
		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;
		}
4796 4797
		if (drm_mode_vrefresh(ptr) > 61)
			continue;
4798 4799 4800 4801 4802 4803 4804 4805 4806
		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);
T
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4807

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/**
 * 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.
 */
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4817 4818 4819 4820 4821 4822
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) {
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		if (mode->hdisplay == hpref &&
4824
		    mode->vdisplay == vpref)
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4825 4826 4827 4828 4829
			mode->type |= DRM_MODE_TYPE_PREFERRED;
	}
}
EXPORT_SYMBOL(drm_set_preferred_mode);

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4830 4831 4832 4833 4834
/**
 * 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
4835
 * @is_hdmi2_sink: Sink is HDMI 2.0 compliant
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4836
 *
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4837
 * Return: 0 on success or a negative error code on failure.
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 */
int
drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
4841 4842
					 const struct drm_display_mode *mode,
					 bool is_hdmi2_sink)
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{
4844
	enum hdmi_picture_aspect picture_aspect;
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4845 4846 4847 4848 4849 4850 4851 4852 4853
	int err;

	if (!frame || !mode)
		return -EINVAL;

	err = hdmi_avi_infoframe_init(frame);
	if (err < 0)
		return err;

4854 4855 4856
	if (mode->flags & DRM_MODE_FLAG_DBLCLK)
		frame->pixel_repeat = 1;

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4857 4858
	frame->video_code = drm_match_cea_mode(mode);

4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880
	/*
	 * 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;
	}

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	frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
4882

4883 4884 4885 4886 4887 4888 4889 4890
	/*
	 * 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;

4891 4892 4893 4894
	/*
	 * Populate picture aspect ratio from either
	 * user input (if specified) or from the CEA mode list.
	 */
4895 4896 4897
	picture_aspect = mode->picture_aspect_ratio;
	if (picture_aspect == HDMI_PICTURE_ASPECT_NONE)
		picture_aspect = drm_get_cea_aspect_ratio(frame->video_code);
4898

4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910 4911
	/*
	 * 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;
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	frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
4913
	frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
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	return 0;
}
EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
4918

4919 4920 4921 4922
/**
 * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
 *                                        quantization range information
 * @frame: HDMI AVI infoframe
4923
 * @mode: DRM display mode
4924 4925
 * @rgb_quant_range: RGB quantization range (Q)
 * @rgb_quant_range_selectable: Sink support selectable RGB quantization range (QS)
4926 4927 4928 4929 4930
 * @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.
4931 4932 4933
 */
void
drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
4934
				   const struct drm_display_mode *mode,
4935
				   enum hdmi_quantization_range rgb_quant_range,
4936 4937
				   bool rgb_quant_range_selectable,
				   bool is_hdmi2_sink)
4938 4939 4940 4941 4942 4943 4944
{
	/*
	 * 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."
4945 4946 4947
	 *
	 * HDMI 2.0 recommends sending non-zero Q when it does match the
	 * default RGB quantization range for the mode, even when QS=0.
4948
	 */
4949 4950
	if (rgb_quant_range_selectable ||
	    rgb_quant_range == drm_default_rgb_quant_range(mode))
4951 4952 4953
		frame->quantization_range = rgb_quant_range;
	else
		frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
4954 4955 4956 4957 4958 4959 4960

	/*
	 * 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."
4961 4962 4963 4964 4965 4966
	 *
	 * 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.
4967
	 */
4968 4969
	if (!is_hdmi2_sink ||
	    rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
4970 4971 4972 4973 4974
		frame->ycc_quantization_range =
			HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
	else
		frame->ycc_quantization_range =
			HDMI_YCC_QUANTIZATION_RANGE_FULL;
4975 4976 4977
}
EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);

4978 4979 4980 4981 4982 4983 4984 4985 4986 4987 4988 4989 4990 4991 4992 4993 4994 4995 4996 4997 4998 4999 5000 5001 5002 5003 5004
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;
	}
}

5005 5006 5007 5008
/**
 * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
 * data from a DRM display mode
 * @frame: HDMI vendor infoframe
5009
 * @connector: the connector
5010 5011 5012 5013 5014 5015
 * @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.
 *
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5016
 * Return: 0 on success or a negative error code on failure.
5017 5018 5019
 */
int
drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5020
					    struct drm_connector *connector,
5021 5022
					    const struct drm_display_mode *mode)
{
5023 5024 5025 5026 5027 5028
	/*
	 * 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;
5029
	int err;
5030
	u32 s3d_flags;
5031 5032 5033 5034 5035
	u8 vic;

	if (!frame || !mode)
		return -EINVAL;

5036 5037 5038
	if (!has_hdmi_infoframe)
		return -EINVAL;

5039
	vic = drm_match_hdmi_mode(mode);
5040 5041
	s3d_flags = mode->flags & DRM_MODE_FLAG_3D_MASK;

5042 5043 5044 5045 5046 5047 5048 5049 5050
	/*
	 * 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.
	 */
5051 5052

	if (vic && s3d_flags)
5053 5054 5055 5056 5057 5058
		return -EINVAL;

	err = hdmi_vendor_infoframe_init(frame);
	if (err < 0)
		return err;

5059 5060
	frame->vic = vic;
	frame->s3d_struct = s3d_structure_from_display_mode(mode);
5061 5062 5063 5064

	return 0;
}
EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5065

5066 5067 5068 5069 5070 5071 5072 5073 5074 5075 5076 5077 5078 5079 5080 5081 5082 5083 5084 5085 5086 5087 5088 5089 5090 5091 5092 5093 5094 5095 5096 5097 5098 5099 5100 5101 5102 5103 5104 5105 5106 5107 5108 5109 5110 5111 5112 5113 5114 5115 5116 5117 5118 5119
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;
}

5120 5121 5122 5123 5124 5125 5126
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;
5127
	int ret;
5128 5129 5130 5131

	if (is_edid_extension)
		idx = 1;

5132 5133 5134
	ret = validate_displayid(displayid, length, idx);
	if (ret)
		return ret;
5135

5136 5137 5138 5139 5140 5141 5142 5143 5144 5145 5146 5147 5148 5149 5150
	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;
5151 5152 5153
		case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
			/* handled in mode gathering code. */
			break;
5154 5155 5156 5157
		default:
			DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag);
			break;
		}
5158 5159 5160 5161 5162 5163 5164 5165 5166 5167 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178 5179 5180 5181 5182 5183 5184 5185 5186
	}
	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;
}