Re: [PATCH v3] drm/i915: Stop using RP_DOWN_EI on Baytrail

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On Thu, Mar 09, 2017 at 09:03:12PM +0000, Chris Wilson wrote:
> On Baytrail, we manually calculate busyness over the evaluation interval
> to avoid issues with miscaluations with RC6 enabled. However, it turns
> out that the DOWN_EI interrupt generator is completely bust - it
> operates in two modes, continuous or never. Neither of which are
> conducive to good behaviour. Stop unmask the DOWN_EI interrupt and just
> compute everything from the UP_EI which does seem to correspond to the
> desired interval.

Ignore this, I'll resend the 3 as a new series so we have them together.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre



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