So it seems that it does away with the following kernel option: i915.enable_psr=0
It seems from some Dell user forum that some have had the same issues on Windows and disabling the panel self refresh worked for them so I was searching along these lines. I'm certain it's not a "clean" fix however to deactivate a measure that's suppose to save battery. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1827790 Title: Dell XPS 13 9380 - Screen brightness flashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/1827790/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs