Hi Nirmoy,
On Fri, Oct 13, 2023 at 03:44:39PM +0200, Nirmoy Das wrote:
gen8_ggtt_invalidate() is only needed for limited set of platforms where GGTT is mapped as WC otherwise this can cause unwanted side-effects on XE_HP platforms where GFX_FLSH_CNTL_GEN6 is not valid.
v2: Add a func to detect wc ggtt detection (Ville)
Fixes: d2eae8e98d59 ("drm/i915/dg2: Drop force_probe requirement") Cc: Rodrigo Vivi rodrigo.vivi@intel.com Cc: Tvrtko Ursulin tvrtko.ursulin@linux.intel.com Cc: Joonas Lahtinen joonas.lahtinen@linux.intel.com Cc: Jani Nikula jani.nikula@linux.intel.com Cc: Jonathan Cavitt jonathan.cavitt@intel.com Cc: John Harrison john.c.harrison@intel.com Cc: Andi Shyti andi.shyti@linux.intel.com Cc: Ville Syrjälä ville.syrjala@linux.intel.com Cc: stable@vger.kernel.org # v6.2+ Suggested-by: Matt Roper matthew.d.roper@intel.com Signed-off-by: Nirmoy Das nirmoy.das@intel.com Acked-by: Andi Shyti andi.shyti@linux.intel.com
I took some time to look at this and you can swap the a-b with an r-b:
Reviewed-by: Andi Shyti andi.shyti@linux.intel.com
Thanks, Andi