[PATCH 3/3] drm/i915: Do GuC based tlb inval

[Nirmoy Das]

From: gta <gta at dut-8788.jf.intel.com>

---
 drivers/gpu/drm/i915/gt/intel_tlb.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_tlb.c b/drivers/gpu/drm/i915/gt/intel_tlb.c
index 139608c30d97..2747ff8cf92e 100644
--- a/drivers/gpu/drm/i915/gt/intel_tlb.c
+++ b/drivers/gpu/drm/i915/gt/intel_tlb.c
@@ -12,6 +12,7 @@
 #include "intel_gt_print.h"
 #include "intel_gt_regs.h"
 #include "intel_tlb.h"
+#include "uc/intel_guc.h"
 
 /*
  * HW architecture suggest typical invalidation time at 40us,
@@ -131,11 +132,17 @@ void intel_gt_invalidate_tlb_full(struct intel_gt *gt, u32 seqno)
 		return;
 
 	with_intel_gt_pm_if_awake(gt, wakeref) {
+		struct intel_guc *guc = &gt->uc.guc;
+
 		mutex_lock(&gt->tlb.invalidate_lock);
 		if (tlb_seqno_passed(gt, seqno))
 			goto unlock;
 
-		mmio_invalidate_full(gt);
+		if (INTEL_GUC_SUPPORTS_TLB_INVALIDATION(guc) && IS_METEORLAKE(gt->i915) &&
+				intel_guc_submission_is_used(guc) && intel_guc_is_ready(guc))
+			intel_guc_invalidate_tlb_full(guc, INTEL_GUC_TLB_INVAL_MODE_HEAVY);
+		else
+			mmio_invalidate_full(gt);
 
 		write_seqcount_invalidate(&gt->tlb.seqno);
 unlock:
-- 
2.41.0