I have disabled PSR by adding the kernel parameter to /etc/default/grub and running sudo update-grub before rebooting. It has been a few hours, and the screen flickering has not recurred as of yet. I'll keep you updated if that changes.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1939211 Title: [Dell XPS 13 9380] Screen flickering after upgrading from 5.8 kernel to 5.11 kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.11/+bug/1939211/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
