Given it happens even with i915.enable_psr=0 I'm sure the bisect was misslead at some point.
I'm starting to suspect on Watermark. Could you please try to apply the following series to see if it helps: https://patchwork.freedesktop.org/patch/76098/ https://patchwork.freedesktop.org/patch/76100/ https://patchwork.freedesktop.org/patch/76099/ https://patchwork.freedesktop.org/patch/76101/ https://patchwork.freedesktop.org/patch/76094/ https://patchwork.freedesktop.org/patch/76204/ https://patchwork.freedesktop.org/patch/76207/ https://patchwork.freedesktop.org/patch/76095/ Thanks, Rodrigo. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1554613 Title: screen flickering on XPS13 9350 To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1554613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs