Re: [PATCH] drm/i915: Fix setting of boost freq tunable

Chris Wilson
2016-12-13T15:42:49Z

On Tue, Dec 13, 2016 at 05:37:42PM +0200, Jani Nikula wrote:
> On Tue, 13 Dec 2016, Mika Kuoppala <mika.kuoppala@linux.intel.com> wrote:
> > For limiting the max frequency of gpu, the max freq tunable
> > is not enough to hard limit the max gap. We now have also per
> > client boost max freq. When this tunable was introduced,
> > it was mistakenly made read only. Allow user to gain control by
> > setting it writable.
> >
> > Fixes: 29ecd78d3b79 ("drm/i915: Define a separate variable and control for RPS waitboost frequency")
>
> Cc: <stable@vger.kernel.org> # v4.9+
>
> > Cc: Chris Wilson <chris@chris-wilson.co.uk>
> > Cc: Mika Kuoppala <mika.kuoppala@intel.com>
> > Cc: Daniel Vetter <daniel.vetter@intel.com>
> > Cc: Jani Nikula <jani.nikula@linux.intel.com>
> > Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>

Already r-bed an identical patch, so
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
-Chris

--
Chris Wilson, Intel Open Source Technology Centre