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From: Takashi Iwai <tiwai@suse.de>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: Suppress hotplug work during PM suspend/resume
Date: Thu, 19 Apr 2012 18:32:22 +0200	[thread overview]
Message-ID: <s5hhawf4r8p.wl%tiwai@suse.de> (raw)
In-Reply-To: <1334852586_26987@CP5-2952>

At Thu, 19 Apr 2012 17:22:47 +0100,
Chris Wilson wrote:
> 
> On Thu, 19 Apr 2012 18:10:18 +0200, Takashi Iwai <tiwai@suse.de> wrote:
> > The hotplug work can be still kicked off via irq during PM, and this
> > may conflict with the resume procedure.  For example, eDP on SNB
> > machine shows WARNING like below during the resume:
> 
> Daniel and I were just discussing the number of work queues we have
> active across suspend that like to poke hardware as we either try to
> sleep or resume. Since we already have to quiesce the workers to disable
> the device, I suggest we reuse the same code for suspend.

Hm, sorry it's not clear to me which code you are referring to...
Is it only in Daniel's next tree, or am I missing in Linus tree?


thanks,

Takashi

  reply	other threads:[~2012-04-19 16:32 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-19 16:10 [PATCH] drm/i915: Suppress hotplug work during PM suspend/resume Takashi Iwai
2012-04-19 16:22 ` Chris Wilson
2012-04-19 16:32   ` Takashi Iwai [this message]
2012-04-19 16:29 ` Daniel Vetter
2012-04-19 16:38   ` Takashi Iwai
2012-04-19 16:52     ` Daniel Vetter
2012-04-19 17:55 ` Adam Jackson
2012-04-19 18:11   ` Takashi Iwai
2012-04-25  8:14     ` Takashi Iwai
2012-05-10  6:34       ` Takashi Iwai
2012-05-10  8:29         ` Daniel Vetter
2012-05-10  8:40           ` Takashi Iwai
2012-05-10  9:06             ` Daniel Vetter
2012-05-10  9:19               ` Takashi Iwai
2012-05-10  9:25                 ` Chris Wilson
2012-05-10  9:39                   ` Takashi Iwai
2012-05-10 10:04                     ` Daniel Vetter
2012-05-10 10:12                     ` Chris Wilson
2012-05-10 10:13   ` Chris Wilson

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