Commit 799d794f authored by Nirmoy Das's avatar Nirmoy Das
Browse files

drm/i915: Enable GGTT updates with binder in MTL 



MTL can hang because of a HW bug while parallel reading/writing
from/to LMEM/GTTMMADR BAR so try to reduce GGTT update
related pci transactions with blitter command as recommended
for Wa_13010847436 and Wa_14019519902.

Signed-off-by: default avatarNirmoy Das <nirmoy.das@intel.com>
Reviewed-by: default avatarOak Zeng <oak.zeng@intel.com>
Reviewed-by: default avatarAndi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230926083742.14740-8-nirmoy.das@intel.com
parent a2ae2962

drivers/gpu/drm/i915/gt/intel_gtt.c

+2 −1
Original line number Diff line number Diff line
@@ -23,7 +23,8 @@ 


bool i915_ggtt_require_binder(struct drm_i915_private *i915)

{

	return false;

	/* Wa_13010847436 & Wa_14019519902 */

	return MEDIA_VER_FULL(i915) == IP_VER(13, 0);

}



static bool intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *i915)