Re: [PATCH v2 03/21] drm/i915/gt: Invalidate TLB of the OA unit at TLB invalidations

Hi Mauro and Chris,

On Thu, Jul 14, 2022 at 01:06:08PM +0100, Mauro Carvalho Chehab wrote:

From: Chris Wilson chris.p.wilson@intel.com

Ensure that the TLB of the OA unit is also invalidated on gen12 HW, as just invalidating the TLB of an engine is not enough.

Cc: stable@vger.kernel.org Fixes: 7938d61591d3 ("drm/i915: Flush TLBs before releasing backing store") Signed-off-by: Chris Wilson chris.p.wilson@intel.com Cc: Fei Yang fei.yang@intel.com Cc: Andi Shyti andi.shyti@linux.intel.com Acked-by: Thomas Hellström thomas.hellstrom@linux.intel.com Signed-off-by: Mauro Carvalho Chehab mchehab@kernel.org

Reviewed-by: Andi Shyti andi.shyti@linux.intel.com

Thanks, Andi