From: Daniel Vetter <daniel@ffwll.ch>
To: Chris Wilson <chris@chris-wilson.co.uk>,
Chuansheng Liu <chuansheng.liu@intel.com>,
daniel.vetter@ffwll.ch, airlied@linux.ie,
intel-gfx@lists.freedesktop.org, fei.li@intel.com,
dri-devel@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH] drm/i915: Sync the hotplug work when device suspending
Date: Mon, 5 Aug 2013 07:42:21 +0200 [thread overview]
Message-ID: <20130805054221.GK22035@phenom.ffwll.local> (raw)
In-Reply-To: <20130727094014.GC3132@cantiga.alporthouse.com>
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@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@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
next prev parent reply other threads:[~2013-08-05 5:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-27 17:43 [PATCH] drm/i915: Sync the hotplug work when device suspending Chuansheng Liu
2013-07-27 9:40 ` Chris Wilson
2013-07-27 10:10 ` Liu, Chuansheng
2013-08-05 5:42 ` Daniel Vetter [this message]
2013-08-06 1:00 ` Liu, Chuansheng
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