Bug 111620 - [regression][bisected] Virtual Reality HMDs fail to power off when SteamVR closes
Summary: [regression][bisected] Virtual Reality HMDs fail to power off when SteamVR cl...
Status: NEW
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/AMDgpu (show other bugs)
Version: unspecified
Hardware: Other All
: not set major
Assignee: Default DRI bug account
QA Contact:
Depends on:
Reported: 2019-09-09 17:38 UTC by Andres Rodriguez
Modified: 2019-09-12 00:22 UTC (History)
1 user (show)

See Also:
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Description Andres Rodriguez 2019-09-09 17:38:30 UTC
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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