I also notice you're not using the Ubuntu kernel. Please try the standard Ubuntu kernel (5.4) as well as newer versions like 5.7-rc3 ...
https://kernel.ubuntu.com/~kernel-ppa/mainline/?C=M;O=D ** Package changed: xorg-server (Ubuntu) => xserver-xorg-video-amdgpu (Ubuntu) -- 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/1875189 Title: [amdgpu] Screen Flickers when it wakes from suspend/sleep. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1875189/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

