Hi Wilson, > -----Original Message----- > From: Chris Wilson [mailto:chris@xxxxxxxxxxxxxxxxxx] > Sent: Thursday, July 14, 2016 10:34 PM > To: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>; intel- > gfx@xxxxxxxxxxxxxxxxxxxxx; Takashi Iwai <tiwai@xxxxxxx>; Yang, Libin > <libin.yang@xxxxxxxxx> > Subject: Re: [PATCH] drm/i915: Acquire intel_runtime_pm for HD- > Audio registers > > On Wed, Jul 13, 2016 at 05:01:02PM +0300, Marius Vlad wrote: > > Did try when you submitted the patch...but can't seem to replicate > > with latest nightly on other SKLs, and currently do not have access on > > the machine that caused it. > > So fwiw, Hans de Geode confirmed that only reverting 03b135cebc47 (which > enables the display powerwell as well) was enough. > > Libin, do you want to handle the revert or explain the mistake in What's the problem with the patch? I can find the details from the email thread. HSW/BSW need acquire the power because it is inside the gpu. So we limited need i915 power for controller to HSW/BDW. > > commit 03b135cebc47d75ea2dc346770374ab741966955 > Author: Libin Yang <libin.yang@xxxxxxxxx> > Date: Wed Jun 3 09:30:15 2015 +0800 > > ALSA: hda - remove controller dependency on i915 power well for SKL > > -Chris > > -- > Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx