Quoting Tvrtko Ursulin (2017-11-24 17:13:31)
> From: Tvrtko Ursulin <[email protected]>
>
> Chris has discovered that RC6, RC6p and RC6pp counters are mutually
> exclusive, and even that on some SNB SKUs you get RC6p increasing, and on
> the others RC6.
>
> Furthermore RC6p and RC6pp were only present starting from GEN6 until,
> GEN7, not including Haswell.
>
> All this combined makes it questionable whether we need to reserve new ABI
> for these counters. One idea was to just combine them all under the RC6
> counter to simplify things for userspace. So that is what this patch does.
>
> Signed-off-by: Tvrtko Ursulin <[email protected]>
> Suggested-by: Chris Wilson <[email protected]>
Reviewed-by: Chris Wilson <[email protected]>
-Chris
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