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edid: Added support for 4k@60 Hz monitor 

Previously, the large modes (>1080p) that were generated by Qemu in its EDID
were all 50 Hz. If we provide them to a Guest OS and the user selects
one of these modes, then the OS by default only gets 50 FPS. This is
especially true for Windows OS. With this patch, we are now exposing a
3840x2160@60 Hz which will allow the guest OS to get 60 FPS.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Satyeshwar Singh <satyeshwar.singh@intel.com>
Message-Id: <20211116221103.27128-1-dongwon.kim@intel.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Satyeshwar Singh 2021-11-16 14:11:03 -08:00 committed by Gerd Hoffmann
parent de72c4b7cd
commit f0602b7099
1 changed files with 3 additions and 0 deletions
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3
hw/display/edid-generate.c
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@ -24,6 +24,9 @@ static const struct edid_mode {
{ .xres = 2048, .yres = 1152 },
{ .xres = 1920, .yres = 1080, .dta = 31 },
/* dea/dta extension timings (all @ 60 Hz) */
{ .xres = 3840, .yres = 2160, .dta = 97 },
/* additional standard timings 3 (all @ 60Hz) */
{ .xres = 1920, .yres = 1200, .xtra3 = 10, .bit = 0 },
{ .xres = 1600, .yres = 1200, .xtra3 = 9, .bit = 2 },