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

[Zhenyu Wang]

On 2011.03.21 10:46:53 -0700, Jesse Barnes wrote:
> On Mon, 21 Mar 2011 17:27:18 +0800
> Zhenyu Wang <zhenyuw at 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?
> 

Don't know, but I can ask if we should do like that or not. I had more
stable test result with this.

-- 
Open Source Technology Center, Intel ltd.

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