On 6/1/19 11:33 AM, Barry Scott wrote:
You can look at the details with:
$ xrandr --verboes | edid-decode
The "Detailed timing" are the monitors prefered mode I recall.
# find /sys/devices -name 'edid'
/sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-HDMI-A-1/edid
/sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-VGA-1/edid
/sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-LVDS-1/edid
/sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-DP-1/edid
# edid-decode <
/sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-LVDS-1/edid
Extracted contents:
[...snip...]
Standard timings supported:
Detailed mode: Clock 69.300 MHz, 261 mm x 163 mm
1280 1306 1328 1418 hborder 0
800 802 804 814 vborder 0
-hsync -vsync
VertFreq: 60 Hz, HorFreq: 48871 Hz
[...snip...]
Checksum: 0x2 (valid)
EDID block does NOT conform to EDID 1.4!
Missing name descriptor
Missing monitor ranges
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