Re: [Intel-gfx] [RFC v2] drm/i915: lpsp with hdmi/dp outputs

2021-05-03 Thread Gupta, Anshuman
> -Original Message- > From: Ville Syrjälä > Sent: Friday, April 30, 2021 11:10 PM > To: Gupta, Anshuman > Cc: intel-gfx@lists.freedesktop.org; Kai Vehmanen > ; Shankar, Uma > Subject: Re: [RFC v2] drm/i915: lpsp with hdmi/dp outputs > > On Fri, Apr 30, 2021 at 05:23:55PM +0530, Ansh

Re: [Intel-gfx] [RFC v2] drm/i915: lpsp with hdmi/dp outputs

2021-04-30 Thread Ville Syrjälä
On Fri, Apr 30, 2021 at 05:23:55PM +0530, Anshuman Gupta wrote: > DG1 and DISPLAY_VER=13 onwards Audio MMIO/VERBS lies in PG0 power > well. So in order to detect audio capable DP/HDMI output it doesn't > require to enable PG3 power well on DG1 and PG2 on DISPLAY_VER=13 > pltform. It will save the p

[Intel-gfx] [RFC v2] drm/i915: lpsp with hdmi/dp outputs

2021-04-30 Thread Anshuman Gupta
DG1 and DISPLAY_VER=13 onwards Audio MMIO/VERBS lies in PG0 power well. So in order to detect audio capable DP/HDMI output it doesn't require to enable PG3 power well on DG1 and PG2 on DISPLAY_VER=13 pltform. It will save the power when DP/HDMI outputs used as lpsp configuration. B.Spec: 49233 B.S