This issue also affects my Dell XPS 13 (9310) with a 1080p panel and was driving me bonkers until I realized it was a linux 5.10+ issue and went back to using 5.8. Let me know if there's anything I can do to help with further testing.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1922885 Title: Display abnormal on the TGL+4k panel machines To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1922885/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs