mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-30 23:36:44 +07:00
4cbe1bfa27
The 800x600 (SVGA) screen resolution was lacking in the set of built-in selectable EDID screen resolutions that can be used to repair misbehaving monitor firmware. This patch adds the related data set and expands the documentation. Note that the SVGA bit occupies a different byte to all the existing users of the established timing bits forcing a rework of the ESTABLISHED_TIMINGS_BITS macro. Tested new EDID on an aged (and misbehaving) industrial LCD panel; existing EDIDs still pass edid-decode's checksum checks. Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: David Airlie <airlied@linux.ie> Cc: Carsten Emde <C.Emde@osadl.org> Cc: linux-doc@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
42 lines
1.1 KiB
ArmAsm
42 lines
1.1 KiB
ArmAsm
/*
|
|
800x600.S: EDID data set for standard 800x600 60 Hz monitor
|
|
|
|
Copyright (C) 2011 Carsten Emde <C.Emde@osadl.org>
|
|
Copyright (C) 2014 Linaro Limited
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
*/
|
|
|
|
/* EDID */
|
|
#define VERSION 1
|
|
#define REVISION 3
|
|
|
|
/* Display */
|
|
#define CLOCK 40000 /* kHz */
|
|
#define XPIX 800
|
|
#define YPIX 600
|
|
#define XY_RATIO XY_RATIO_4_3
|
|
#define XBLANK 256
|
|
#define YBLANK 28
|
|
#define XOFFSET 40
|
|
#define XPULSE 128
|
|
#define YOFFSET (63+1)
|
|
#define YPULSE (63+4)
|
|
#define DPI 72
|
|
#define VFREQ 60 /* Hz */
|
|
#define TIMING_NAME "Linux SVGA"
|
|
#define ESTABLISHED_TIMING1_BITS 0x01 /* Bit 0: 800x600 @ 60Hz */
|
|
#define HSYNC_POL 1
|
|
#define VSYNC_POL 1
|
|
#define CRC 0xc2
|
|
|
|
#include "edid.S"
|