I have now followed the same steps for the kernel linked to below and already see flickering. https://bugzilla.freedesktop.org/show_bug.cgi?id=110511#c25
-- 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
