[Intel-gfx] [PATCH] drm/i915: Only enable IPS polling for gen5

[Daniel Vetter]

On Tue, May 01, 2012 at 07:58:27AM -0700, Jesse Barnes wrote:
> On Mon, 30 Apr 2012 19:35:02 +0100
> Chris Wilson <chris at chris-wilson.co.uk> wrote:
> 
> > On SandyBridge IPS was entirely implemented in hardware and not reliant
> > on the driver monitoring power consumption and feeding back desired run
> > states, so the hardware is able to adapt quicker and more flexibly. Which
> > is a huge relief for us as we no longer have to carry empirically
> > derived magic algorithms.
> > 
> > Yet despite the advance in technology, the driver was still doing its
> > IPS polling on all machines. Restrict it to the only supported hardware,
> > Clarkdale/Arrandale.
> > 
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> > Cc: Jesse Barnes <jbarnes at virtuousgeek.org>
> Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>
Queued for -next, thanks for the patch.
-Daniel
-- 
Daniel Vetter
Mail: daniel at ffwll.ch
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