Josef, did you try the workaround in the original post? The workaround fixed the problem for me on Ubuntu 22.10.
------------ [ Workaround ] Add to /etc/environment (in Ubuntu 22.04): MUTTER_DEBUG_ENABLE_ATOMIC_KMS=0 or in Ubuntu 22.10 and later: MUTTER_DEBUG_FORCE_KMS_MODE=simple and then reboot. ------------ Full instructions: 1. Open terminal: CTRL + ALT + T 2. Type: sudo nano /etc/environment 3. Enter your password 4. Add the following on a new line: MUTTER_DEBUG_ENABLE_ATOMIC_KMS=0 5. Press: Ctrl + O 6. Press: Enter 7. Press: Ctr + X 8. Type: Reboot -- 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/1968040 Title: Blanked screen doesn't wake up after locking [drmModeAtomicCommit: Argument invalide] [drmModeAtomicCommit: Invalid argument] To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1968040/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
