Eliminar screen tearing en Radeon
Crear un fichero "20-amdgpu-tearfree.conf" en "/usr/share/X11/xorg.conf.d/"
sudo mousepad /usr/share/X11/xorg.conf.d/20-amdgpu-tearfree.conf
Y escribir este contenido:
Section "Device"
Identifier "Card0"
Driver "amdgpu"
BusID "PCI:1:0:0"
Option "DRI3" "1"
Option "TearFree" "on"
EndSection