Jeremy Ardley composed on 2021-01-10 10:58 (UTC+0800): > cat /etc/X11/xorg.conf.d/20-radeon.conf
> Section "Device" > Identifier "Radeon" > Driver "radeon" > Option "TearFree" "on" > EndSection You might be better off removing that file. A newer technology DDX driver than the Radeon is actually the upstream default: <https://www.linuxquestions.org/questions/blog/mrmazda-1035595/amd-intel-and-nvidia-x-graphics-driver-primer-38306/> # inxi GISy System: Host: gx78b Kernel: 4.19.0-13-amd64 x86_64 bits: 64 Desktop: Trinity R14.0.9 Distro: Debian GNU/Linux 10 (buster) Graphics: Device-1: AMD Caicos [Radeon HD 6450/7450/8450 / R5 230 OEM] driver: radeon v: kernel Display: x11 server: X.Org 1.20.4 driver: loaded: modesetting resolution: 1920x1200~60Hz OpenGL: renderer: AMD CAICOS (DRM 2.50.0 / 4.19.0-13-amd64 LLVM 7.0.1) v: 3.3 Mesa 18.3.6 Info:...Shell: Bash pinxi: 3.2.01-1 -- Evolution as taught in public schools, like religion, is based on faith, not on science. Team OS/2 ** Reg. Linux User #211409 ** a11y rocks! Felix Miata *** http://fm.no-ip.com/
