https://bugs.freedesktop.org/show_bug.cgi?id=103317
--- Comment #3 from Torsten Kessler torkes94@gmail.com --- Created attachment 134912 --> https://bugs.freedesktop.org/attachment.cgi?id=134912&action=edit Output of xrandr --verbose
As suggested I turned EnablePageFlip off:
Section "Device" Identifier "AMD R9 390" Driver "amdgpu" Option "DRI" "3" Option "EnablePageFlip" "off" # Option "TearFree" "true" EndSection
But this doesn't avoid the problem. As before, everything works fine when I switch to FHD or radeonsi.