[Intel-gfx] [PATCH v4 25/26] drm/i915: Add sysfs interface to know the HW requested frequency

[Chris Wilson]

On Fri, Sep 09, 2016 at 06:21:44PM +0530, Sagar Arun Kamble wrote:
> With SLPC, user can read this value to know SLPC requested frequency.

Not SLPC specific, even elsewhere there may be a delay between the cur
value and the req (just means something more on SLPC).

Though I'm never keen on expanding the stable ABI, I can't object to
this given the existence of the others - but I will ask for a use case
other than debug.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre