[Intel-gfx] [PATCH v2 1/1] drm/i915: Split i915_gem_suspend into user quiescing and HW cleanup/suspend

[Joonas Lahtinen]

On Fri, 2017-10-06 at 13:39 +0530, Sagar Arun Kamble wrote:
> 
> On 10/6/2017 12:07 PM, Sagar Arun Kamble wrote:
> > GTT mappings are to be suspended post i915_gem_suspend and display
> 
> I think I should say this "post idling GPU and display suspend". Will 
> update in next rev.
> > suspend. GPU is reset in i915_gem_suspend. This separated the HW suspend
> > across reset. To achieve the complete HW cleanup prior to GPU reset we
> > need to separate i915_gem_suspend functionality into user quiescing
> > and HW cleanup. With this patch new function i915_gem_quiescent
> 
> And this should have been named "i915_gem_quiesce"?
> Chris, Joonas, does i915_gem_quiesce  for user quiescing and 
> i915_gem_suspend for HW suspend look good?

The BAT results seemed quite negative.

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation