Messages in this thread | | | Date | Fri, 22 Jul 2022 14:00:09 +0200 | From | Andi Shyti <> | Subject | Re: [PATCH v2 05/21] drm/i915/gt: Skip TLB invalidations once wedged |
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Hi Mauro,
On Thu, Jul 14, 2022 at 01:06:10PM +0100, Mauro Carvalho Chehab wrote: > From: Chris Wilson <chris.p.wilson@intel.com> > > Skip all further TLB invalidations once the device is wedged and > had been reset, as, on such cases, it can no longer process instructions > on the GPU and the user no longer has access to the TLB's in each engine. > > That helps to reduce the performance regression introduced by TLB > invalidate logic. > > 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>
I haven't read any concern from Tvrtko here, in any case:
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
thanks, Andi
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