[Bug 111620] [regression][bisected] Virtual Reality HMDs fail to power off when SteamVR closes

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Sep 9 17:38:30 UTC 2019


            Bug ID: 111620
           Summary: [regression][bisected] Virtual Reality HMDs fail to
                    power off when SteamVR closes
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: major
          Priority: not set
         Component: DRM/AMDgpu
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: andresx7 at gmail.com

When SteamVR is closed the attached HMD no longer powers off. This is due to
the display still being driven by the GPU.

The first bad commit for this behaviour is:
"drm/amd/display: Allow commits with no planes active"

My understanding is that the commit above does fix a bug in amdgpu/dc. However,
due to current Xorg versions failing to shut down outputs after re-claiming a
drm lease, this commit ends up breaking userspace.

Following is the x server patch to help illustrate what X is doing incorrectly:

Additional reference:

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