On Fri, Jul 15, 2016 at 02:40:42AM +0000, Yang, Libin wrote: > 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. Please see Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96214 Judging from the reports, Skylake uses the same display powerwell as HSW/BDW. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
