https://bugs.freedesktop.org/show_bug.cgi?id=104275
Bug ID: 104275
Summary: Stoney Ridge laptop display goes blank after HDMI gets
plugged/unplugged in extended mode.
Product: DRI
Version: unspecified
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/AMDgpu
Assignee: dri-devel@lists.freedesktop.org
Reporter: kai.heng.f...@canonical.com
Hi,
We are enabling a new Stoney Ridge laptop.
The issue can be reproduced on branch drm-next-4.16-wip and
amd-staging-drm-next.
Reproduce steps:
1. Plug HDMI monitor.
2. Change to extended mode.
3. Unplug the HDMI monitor
4. Plug the HDMI monitor
Internal display may go blank in step 3.
The internal display may also go blank in step 4. The external one shows
desktop correctly though.
I can see lots of message flooding once I plugged HDMI:
[ 120.933668] amdgpu 0000:00:01.0: 0000000030e07f1f pin failed
[ 120.933859] [drm:amdgpu_crtc_page_flip_target [amdgpu]] *ERROR* failed to
pin new abo buffer before flip
These messages stop as soon as the HDMI is unplugged.
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