@koba, the latest drm-tip triggers it more reliably. When I lock the screen, the issue triggers every single time after the external monitor goes into standby, and it needs to be power-cycled to wake up.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1922334 Title: External monitor does not wake up on Titan Ridge laptops when docked (9500, TB16) To manage notifications about this bug go to: https://bugs.launchpad.net/dell-sputnik/+bug/1922334/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs