[Intel-gfx] [PATCH] drm/i915: Sync the hotplug work when device suspending

[Chris Wilson]

On Sun, Jul 28, 2013 at 01:43:02AM +0800, Chuansheng Liu wrote:
> 
> It is possible that during i915 device suspending with one pending
> hotplug work, one of cases is the device resume/suspend quickly.
> 
> At this case, the hotplug work will be executed even after device
> is OFF, in Intel Android platform, it will cause system hang.

See

  1343070574-23917-1-git-send-email-chris at chris-wilson.co.uk
  http://lists.freedesktop.org/archives/intel-gfx/2012-July/019144.html

which is in response to the bug raised here

  s5hlilr4s9h.wl%tiwai at suse.de
  http://lists.freedesktop.org/archives/intel-gfx/2012-April/016738.html
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre