Re: [PATCH] drm/i915: Suppress hotplug work during PM suspend/resume

Takashi Iwai
2012-04-19T16:32:22Z

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