I don't know much about AMD GPUs but from what I've seen there is usually only one kernel graphics driver that works for a given GPU.
After you have switched back to a 'stock' config and kernel, what does vulkaninfo report? Does the "bad performance" persist? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1975566 Title: radeon / amdgpu bad performance or panics To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1975566/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
