Add CCs On Tue, Dec 7, 2021 at 7:37 AM Brandon Nielsen <nielsenb@xxxxxxxxxxx> wrote: > Monitors no longer sleep properly on my system (dual monitor connected > via DP->DVI, amdgpu, x86_64). The monitors slept properly on 5.14, but > stopped during the 5.15 series. I have also filed this bug on the kernel > bugzilla[0] and downstream[1]. > > I have performed a bisect, first "bad" commit to master is > 55285e21f04517939480966164a33898c34b2af2[1], the same change made it > into the 5.15 branch as e3b39825ed0813f787cb3ebdc5ecaa5131623647. I have > verified the issue exists in latest master > (a51e3ac43ddbad891c2b1a4f3aa52371d6939570). > > > Steps to reproduce: > > 1. Boot system (Fedora Workstation 35 in this case) > 2. Log in > 3. Lock screen (after a few seconds, monitors will enter power save > "sleep" state with backlight off) > 4. Wait (usually no more than 30 seconds, sometimes up to a few minutes) > 5. Observe monitor leaving "sleep" state (backlight comes back on), > but nothing is displayed > > > [0] - https://bugzilla.kernel.org/show_bug.cgi?id=215203 > [1] - https://bugzilla.redhat.com/show_bug.cgi?id=2028613