Full KMS hardware support is available in newer kernels (5.10.x I think) so please try installing a newer arm64 kernel like:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.10.8/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1911030 Title: Graphical flashes on a raspi 4 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1911030/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
