> -----Original Message----- > From: Daniel Vetter [mailto:daniel.vetter@xxxxxxxx] On Behalf Of Daniel Vetter > Sent: Monday, August 05, 2013 1:42 PM > To: Chris Wilson; Liu, Chuansheng; daniel.vetter@xxxxxxxx; airlied@xxxxxxxx; > intel-gfx@xxxxxxxxxxxxxxxxxxxxx; Li, Fei; dri-devel@xxxxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH] drm/i915: Sync the hotplug work when device > suspending > > 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@xxxxxxxxxxxxxxxxxx > > http://lists.freedesktop.org/archives/intel-gfx/2012-July/019144.html > > > > which is in response to the bug raised here > > > > s5hlilr4s9h.wl%tiwai@xxxxxxx > > 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? Yes, we really need this fix otherwise will cause some system hanging issue. Thanks. > > Thanks, Daniel > -- > Daniel Vetter > Software Engineer, Intel Corporation > +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
