How do you force the amdgpu driver to allow 144 Hz on HDMI cable?

Support Graphics & Display
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5

and if you try this:

xrandr --newmode "1920x1080_144.00_rb1" 452.50 1920 2088 2296 2672 1080 1083 1088 1177 -hsync +vsync
xrandr --addmode HDMI-A-0 1920x1080_144.00_rb1

youre trying it on your own risk :grinning: