Re: [PATCH 6/8] drm/i915: change force wake order for GT read

Zhenyu Wang
2011-03-22T01:27:53Z

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On 2011.03.21 09:46:20 +0000, Chris Wilson wrote:
> On Mon, 21 Mar 2011 17:27:17 +0800, Zhenyu Wang <zhenyuw@linux.intel.com> wrote:
> > Move FORCEWAKE_ACK == 0 wait after setting force wake to 0. This is
> > another way to set force wake for GT read from spec. And also this
> > makes RC6 setting order strictly follow spec.
>
> The spec does indeed give both methods. So do you have any reason to
> change to the slower variant?

Just mean to follow the doc, it matches the sequence of RC6 enabling steps
from GT PM programming doc, not sure if it's strictly required.

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