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

[Daniel Vetter]

On Sat, Jul 27, 2013 at 10:40:14AM +0100, Chris Wilson wrote:
> 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

Oops, I fail. And since your patch also has the required
flush_scheduled_work (this will annoy Jesse since we flush system-wide,
but alas) and is older ... can you please resubmit with References: for
this new thread and the above two added and Chuanshen Lui cc'ed?

Thanks, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch