[Intel-gfx] [PATCH 4/4] drm/i915: Flush stale cachelines on set-cache-level

[Joonas Lahtinen]

Quoting Chris Wilson (2019-07-18 17:54:07)
> Ensure that we flush any cache dirt out to main memory before the user
> changes the cache-level as they may elect to bypass the cache (even after
> declaring their access cache-coherent) via use of unprivileged MOCS.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: stable at vger.kernel.org

Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>

Regards, Joonas