X11 does support multiple refresh rates. It’s just that usually the compositor or window manager vsyncs every display, thus making everything refresh at the lowest refresh rate.
Are you using KDE? If yes, place these variables in /etc/environment and reboot:
X11 does support multiple refresh rates. It’s just that usually the compositor or window manager vsyncs every display, thus making everything refresh at the lowest refresh rate. Are you using KDE? If yes, place these variables in /etc/environment and reboot:
KWIN_X11_REFRESH_RATE=144000 KWIN_X11_NO_SYNC_TO_VBLANK=1