Re: [Intel-gfx] [RFC 1/1] drm/i915: Power gating display wells during i915_pm_suspend

2014-07-11 Thread Daniel Vetter
On Fri, Jul 11, 2014 at 08:48:43PM +0530, sagar.a.kam...@intel.com wrote: > From: Borun Fu > > On VLV, after i915_pm_suspend display power wells are staying > power ungated. So, after initiating mem sleep "echo mem > /sys/power/state" > Display is staing D0 State. There might be better way/place

[Intel-gfx] [RFC 1/1] drm/i915: Power gating display wells during i915_pm_suspend

2014-07-11 Thread sagar . a . kamble
From: Borun Fu On VLV, after i915_pm_suspend display power wells are staying power ungated. So, after initiating mem sleep "echo mem > /sys/power/state" Display is staing D0 State. There might be better way/place to power gate these wells. Also, we need to make sure that if wells are power gated