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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:57 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:57 +0000
commitdc50eab76b709d68175a358d6e23a5a3890764d3 (patch)
treec754d0390db060af0213ff994f0ac310e4cfd6e9 /drivers/gpu/drm/i915/gt/intel_tlb.c
parentAdding debian version 6.6.15-2. (diff)
downloadlinux-dc50eab76b709d68175a358d6e23a5a3890764d3.tar.xz
linux-dc50eab76b709d68175a358d6e23a5a3890764d3.zip
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_tlb.c')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_tlb.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_tlb.c b/drivers/gpu/drm/i915/gt/intel_tlb.c
index 139608c30d..4bb13d1890 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 +132,24 @@ 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 (HAS_GUC_TLB_INVALIDATION(gt->i915)) {
+ /*
+ * Only perform GuC TLB invalidation if GuC is ready.
+ * The only time GuC could not be ready is on GT reset,
+ * which would clobber all the TLBs anyways, making
+ * any TLB invalidation path here unnecessary.
+ */
+ if (intel_guc_is_ready(guc))
+ intel_guc_invalidate_tlb_engines(guc);
+ } else {
+ mmio_invalidate_full(gt);
+ }
write_seqcount_invalidate(&gt->tlb.seqno);
unlock: