Hi Mauro, On Thu, Jul 14, 2022 at 01:06:10PM +0100, Mauro Carvalho Chehab wrote: > From: Chris Wilson <chris.p.wilson@xxxxxxxxx> > > 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@xxxxxxxxxxxxxxx > Fixes: 7938d61591d3 ("drm/i915: Flush TLBs before releasing backing store") > Signed-off-by: Chris Wilson <chris.p.wilson@xxxxxxxxx> > Cc: Fei Yang <fei.yang@xxxxxxxxx> > Cc: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx> > Acked-by: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx> > Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> I haven't read any concern from Tvrtko here, in any case: Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx> thanks, Andi