Bug 91905

Summary:	[SKL] System hang on reboot/shutdown if HDMI is not plugged in before booting up
Product:	DRI	Reporter:	Timo Aaltonen <tjaalton>
Component:	DRM/Intel	Assignee:	Intel GFX Bugs mailing list <intel-gfx-bugs>
Status:	CLOSED WORKSFORME	QA Contact:	Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity:	normal
Priority:	medium	CC:	intel-gfx-bugs
Version:	XOrg git
Hardware:	Other
OS:	All
Whiteboard:
i915 platform:	SKL	i915 features:	display/HDMI

Description Timo Aaltonen 2015-09-07 11:10:50 UTC

If a HDMI display is plugged in to a SKL machine with an eDP panel, the system hangs on reboot/shutdown if the display is plugged in after the OS has loaded.  This only happens with HDMI, DP & DVI are fine. There's nothing alarming in the logs, besides skl_update_other_pipe_wm warnings which has it's own bug.

Reproduced with UMSLAKSUB benchtop SDP running current nightly.

Comment 1 Jani Nikula 2016-10-31 14:50:10 UTC

The Skylake support has been improved significantly since the bug was last changed. Closing. Please reopen if the problem persists with current drm-intel-nightly branch of http://cgit.freedesktop.org/drm-intel

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