dotfiles-and-setup/docs/installation-reference/x11-xrandr-adding-new-resolutions-modes.md

xlibre/x11 - adding xrandr modes

2026-01-16, artix linux, framework 13in laptop

to add 1920x1280 resolution option:

dispmanage_modeline=$(cvt 1920 1280 60 | sed -n '2p' | sed -E "s/^Modeline //g")
dispmanage_mode_id=$(printf "%s" "$dispmanage_modeline" | sed -E "s/^([^ ]+)\s.*$/\1/g")
printf "%s" "$modeline" | xargs xrandr --newmode
printf "%s" "$mode_id" | xargs xrandr --addmode eDP
# NOTE: the lines above have been added to .xinitrc, just leaving here for reference

# then, add the $mode_id value to my display-manage script as the target mode:
DISPMANAGE_LAPTOP_MODE='"1920x1280_60.00"'