My computer has the same problems: Kubuntu 24.04, Wayland, AMD Graphics with Philips 499. The resolution jumps from 5120x1440 59.94 Hz to 3840x1080 after waking up from a longer break. After a restart, everything is back to normal. I suspect it is due to the AMD driver.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1978980 Title: [amdgpu] Wrong external screen resolution after wake up from sleep To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1978980/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
