Re: [PATCH 2/6] drm/i915/gem: Almagamate clflushes on freeze

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On Tue, 19 Jan 2021 at 14:49, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote:
>
> When flushing objects larger than the CPU cache it is preferrable to use
> a single wbinvd() rather than overlapping clflush(). At runtime, we
> avoid wbinvd() due to its system-wide latencies, but during
> singlethreaded suspend, no one will observe the imposed latency and we
> can opt for the faster wbinvd to clear all objects in a single hit.
>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Matthew Auld <matthew.auld@xxxxxxxxx>
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