Screen flickers

Support Graphics & Display
30

Create this file if doesn’t exist:

/etc/X11/xorg.conf.d/20-amdgpu.conf
Please check first in Dolphin if that file exists, and add this lines to it:

Section "Device"
        Identifier "AMD"
        Driver "amdgpu"
        Option "TearFree" "true"
EndSection

If it doesn’t exist, create it like this from terminal:
sudo touch /etc/X11/xorg.conf.d/20-amdgpu.conf
Then
kate /etc/X11/xorg.conf.d/20-amdgpu.conf

Once you modify it, save it and reboot the system.