https://bugs.freedesktop.org/show_bug.cgi?id=103791
--- Comment #21 from Michel Dänzer michel@daenzer.net --- (In reply to Anthony Parsons from comment #18)
Running xrandr doesn't seem to work as a workaround but flipping VTs does.
Have you tried turning it off and on again? (Who gets the reference? :)
xrandr --output DisplayPort-0 --set TearFree off xrandr --output DisplayPort-0 --set TearFree on