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

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

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=111620

            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@lists.freedesktop.org
          Reporter: andresx7@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"
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=bc92c06525e5865c94256ef0227bfe870c095823

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:
https://gitlab.freedesktop.org/xorg/xserver/merge_requests/279

Additional reference:
https://github.com/ValveSoftware/SteamVR-for-Linux/issues/235

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

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=111620

Martin Peres <martin.peres@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |MOVED

--- Comment #1 from Martin Peres <martin.peres@free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/903.

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