[PATCHv2 4/5] drm/i915/histogram: histogram delay counter doesnt reset

[Murthy, Arun R]

> > The delay counter for histogram does not reset and as a result the
> > histogram bin never gets updated. Woraround would be to use save and
> > restore histogram register.
> 
> Lets not mention the issue in the commit message just what the patch/ WA is
> doing The issue is very well describe in WA no.
> That's reminds me add wa no in commit message
> 
Done

Thanks and Regards,
Arun R Murthy
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