Re: [PATCH] drm/i915/perf: Invalidate OA TLB on when closing perf stream

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Quoting Umesh Nerlige Ramappa (2020-03-09 21:10:57)
> On running several back to back perf capture sessions involving closing
> and opening the perf stream, invalid OA reports are seen in the
> beginning of the OA buffer in some sessions. Fix this by invalidating OA
> TLB when the perf stream is closed or disabled on gen12.
> 
> Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@xxxxxxxxx>

Testcase?
-Chris
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