Have done this. $ apt-add-repository -p proposed $ apt install linux-raspi
Switch from fkms to kms $ reboot uname -a Linux RW-RPI2 5.13.0-1008-raspi #9-Ubuntu SMP PREEMPT Wed Sep 29 08:27:44 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux $ sudo dmesg | grep -P 'firmware|WARN' [ 0.116401] raspberrypi-firmware soc:firmware: Attached to firmware from 2021-02-25T12:10:40, variant start [ 0.120420] raspberrypi-firmware soc:firmware: Firmware hash is 564e5f9b852b23a330b1764bcf0b2d022a20afd0 [ 10.819588] vc4-drm gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4]) With kms video freeze, mouse cursor freeze, system freeze. With fkms no issue. Sorry, but this don´t helps. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1944397 Title: HDMI does not display anything with Impish RPi desktop image To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware-raspi2/+bug/1944397/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
