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 Bugs, which is subscribed to 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 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
