Seems to depend on clock frequency, just like I see with Intel graphics. If you spin the CPU at 100% like:
while true; do true; done then the clock frequencies increase and desktop frame rates become very smooth. But that's also when the tearing starts. -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1896167 Title: Heavy screen tearing in Wayland sessions on Raspberry Pi 4-B (using the FKMS driver) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1896167/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
