Re: [PATCH 7/8] drm/i915: move sandybridge RC6 enable in resume after ring initialization

Jesse Barnes
2011-03-21T17:46:56Z

On Mon, 21 Mar 2011 17:27:18 +0800
Zhenyu Wang <zhenyuw@linux.intel.com> wrote:

> Move RC6 enable after we reset rings for all regines, as RC6 on
> Sandybridge would setup ring idle state, so I assume we should have
> setup rings already.

So you're seeing the idle value get clobbered? Otherwise it's it
better to set the ring idle value before actually starting the ring?

--
Jesse Barnes, Intel Open Source Technology Center