Confirming, the problem seems to be solved. Tested:
driver: dtoverlay=vc4-kms-v3d uname -a Linux u2110rpi 5.13.0-1010-raspi #11-Ubuntu SMP PREEMPT Thu Oct 28 08:32:52 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux No freeze for both Wayland and X11. Big thank you Ubuntu Team! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1946368 Title: HDMI output freezes under current/proposed impish kernels To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1946368/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs