From: Chris Wilson <chris@chris-wilson.co.uk>
To: Takashi Iwai <tiwai@suse.de>, intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: Suppress hotplug work during PM suspend/resume
Date: Thu, 19 Apr 2012 17:22:47 +0100 [thread overview]
Message-ID: <1334852586_26987@CP5-2952> (raw)
In-Reply-To: <s5hlilr4s9h.wl%tiwai@suse.de>
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.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
next prev parent reply other threads:[~2012-04-19 16:23 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 [this message]
2012-04-19 16:32 ` Takashi Iwai
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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