Combining the above two ideas you could add a new config file (make sure
its name loads before "10-radeon.conf"):
Section "OutputClass"
Identifier "MyRadeon"
MatchDriver "radeon"
Driver "modesetting"
EndSection
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You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xorg-server in Ubuntu.
https://bugs.launchpad.net/bugs/1923153
Title:
[radeon] Display output laggy from iGPU when operating on desktop with
attaching AMD R7 430 graphic (dGPU)
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