https://bugzilla.kernel.org/show_bug.cgi?id=204725
--- Comment #19 from Dmitri Seletski (drjoms@gmail.com) --- since my xorg config directory is in different place I created brand new file:
/etc/X11/xorg.conf.d/10-amdgpu.conf
and put:
Section "OutputClass" Identifier "AMDgpu" MatchDriver "amdgpu" Driver "amdgpu" EndSection
now in that config directory i have two old files I have already shown you and new one with those 5 lines above:
(none)dimko's Desktop /home/dimko # ls /etc/X11/xorg.conf.d/ 00-keyboard.conf 10-amdgpu.conf 10-amdgpu.conf~ 20opengl.conf