[RESPONDED] Xrandr settings

Ah that seems similar to

xrandr --newmode "3000x2000_60.00"  513.44  3000 3240 3568 4136  2000 2001 2004 2069  -HSync +Vsync
xrandr --addmode eDP-1 "3000x2000_60.00"

as suggested in [RESPONDED] Using elementary OS on the Framework Laptop