[Intel-gfx] [PATCH 06/10] drm/i915: Define a separate variable and control for RPS waitboost frequency

[Chris Wilson]

On Mon, Jul 11, 2016 at 03:55:35PM +0300, Mika Kuoppala wrote:
> Chris Wilson <chris at chris-wilson.co.uk> writes:
> 
> > On Mon, Jul 11, 2016 at 02:39:19PM +0300, Mika Kuoppala wrote:
> >> What should be the rules for boost_freq? With this change it can
> >> be over max_freq_softlimit and thus will break pm_rps.
> >
> > The point is to be an independent variable that the user can set in
> > addition to max freq, just like the cpu turbo.
> 
> But can it be over max_freq? If so, pm_rps needs tweaking.

max_freq being the hw limit?
 
> Also, noticed that this is not set up in gen6_init_rps_frequencies()

It's set after we determine the hw frequencies, in the common block
after the backends do their bit.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre