Hi Mauro, On Wed, Jun 15, 2022 at 04:27:38PM +0100, Mauro Carvalho Chehab wrote: > From: Chris Wilson <[email protected]> > > Don't flush TLBs when the buffer is only used in the GGTT under full > control of the kernel, as there's no risk of of concurrent access > and stale access from prefetch. > > We only need to invalidate the TLB if they are accessible by the user. > > Fixes: 7938d61591d3 ("drm/i915: Flush TLBs before releasing backing store") > > Signed-off-by: Chris Wilson <[email protected]> > Cc: Fei Yang <[email protected]> > Cc: Andi Shyti <[email protected]> > Cc: [email protected] > Acked-by: Thomas Hellström <[email protected]> > Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Reviewed-by: Andi Shyti <[email protected]> Thanks, Andi
