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I am running:
xrandr --output HDMI-A-1 --mode 2560x1440 --rate 143.91
The mode is reported by my monitor and in the output of xrandr:
Screen 0: minimum 320 x 200, current 4480 x 1440, maximum 16384 x 16384
DisplayPort-0 disconnected primary (normal left inverted right x axis y axis)
DisplayPort-1 disconnected (normal left inverted right x axis y axis)
HDMI-A-0 disconnected (normal left inverted right x axis y axis)
HDMI-A-1 connected 2560x1440+1920+0 (normal left inverted right x axis y axis) 597mm x 336mm
2560x1440 59.95*+ 143.91
2560x1080 60.00 59.94
1920x1200 59.95
1920x1080 60.00 50.00 59.94
1600x1200 60.00
1680x1050 59.88
1280x1024 75.02 60.02
1440x900 59.95
1280x800 59.91
1152x864 75.00
1280x720 60.00 50.00 59.94
1024x768 75.03 60.00
800x600 75.00 60.32
720x576 50.00
720x480 60.00 59.94
640x480 75.00 60.00 59.94
720x400 70.08
2560x1400_144.00 143.95
DVI-D-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 531mm x 299mm
1920x1080 60.00*+
1600x1200 60.00
1680x1050 59.88
1280x1024 75.02 60.02
1440x900 59.90
1280x960 60.00
1280x800 60.00
1152x864 75.00
1280x720 60.00
1024x768 75.03 70.07 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
640x480 75.00 72.81 66.67 59.94
720x400 70.08
The screen briefly turns off when I run the command however xrandr still reports 60hz. I have also tried adding a new mode "2560x1440_144.00" with modeline generated by
cvt 2560 1440 144.00
and a few other refresh rates, all supported by my monitor; however with adding modes I cannot set them, xrandr returns an error. The 144Hz mode works fine on windows, so nothing wrong with gpu/hdmi cable support. I am using amdgpu with a fully updated system.
Last edited by mrgreenacid (2020-02-13 19:58:45)
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