[Intel-gfx] [PATCH 3/4] drm/i915: protect RPS/RC6 related accesses (including PCU) with a new mutex

[Chris Wilson]

On Wed, 31 Oct 2012 15:41:04 -0700, Jesse Barnes <jbarnes at virtuousgeek.org> wrote:
> This allows the power related code to run independently of the rest of
> the pipeline, extending the resume and init time improvements into
> userspace, which would otherwise have been blocked on the struct mutex
> if we were doing PCU communication.
> 
> Suggested-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre