I just received an update which seems to have solved the problem on my laptop (tried suspend and resume -> no weird screen). According to /var/log/apt/history.log the latest updates are:
Install: linux-modules-extra-5.13.0-30-generic:amd64 (5.13.0-30.33~20.04.1, automatic), linux-modules-5.13.0-30-generic:amd64 (5.13.0-30.33~20.04.1, automatic), linux-headers-5.13.0-30-generic:amd64 (5.13.0-30.33~20.04.1, automatic), linux-hwe-5.13-headers-5.13.0-30:amd64 (5.13.0-30.33~20.04.1, automatic), linux-image-5.13.0-30-generic:amd64 (5.13.0-30.33~20.04.1, automatic) Upgrade: linux-headers-generic-hwe-20.04:amd64 (5.13.0.28.31~20.04.15, 5.13.0.30.33~20.04.17), linux-libc-dev:amd64 (5.4.0-99.112, 5.4.0-100.113), snapd:amd64 (2.54.2+20.04ubuntu2, 2.54.3+20.04.1), libarchive13:amd64 (3.4.0-2ubuntu1, 3.4.0-2ubuntu1.1), language-pack-en:amd64 (1:20.04+20210802, 1:20.04+20220211), linux-image-generic-hwe-20.04:amd64 (5.13.0.28.31~20.04.15, 5.13.0.30.33~20.04.17), linux-generic-hwe-20.04:amd64 (5.13.0.28.31~20.04.15, 5.13.0.30.33~20.04.17), language-pack-en-base:amd64 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1958591 Title: [amdgpu] Random noise 'static' display after internal display turned off/on To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.13/+bug/1958591/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
