[Intel-xe] [PATCH v6 09/11] drm/xe/tlb: print seqno_recv on fence TLB timeout

Matthew Auld matthew.auld at intel.com
Mon Jul 10 09:40:47 UTC 2023


To help debugging, sample the current seqno_recv and dump it out if we
encounter a TLB timeout for the fences path.

Signed-off-by: Matthew Auld <matthew.auld at intel.com>
Cc: Matthew Brost <matthew.brost at intel.com>
Cc: José Roberto de Souza <jose.souza at intel.com>
Reviewed-by: Matthew Brost <matthew.brost at intel.com>
---
 drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
index be2388cb7205..2a6ecae9e635 100644
--- a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
+++ b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
@@ -35,8 +35,8 @@ static void xe_gt_tlb_fence_timeout(struct work_struct *work)
 			break;
 
 		trace_xe_gt_tlb_invalidation_fence_timeout(fence);
-		drm_err(&gt_to_xe(gt)->drm, "gt%d: TLB invalidation fence timeout, seqno=%d",
-			gt->info.id, fence->seqno);
+		drm_err(&gt_to_xe(gt)->drm, "gt%d: TLB invalidation fence timeout, seqno=%d recv=%d",
+			gt->info.id, fence->seqno, gt->tlb_invalidation.seqno_recv);
 
 		list_del(&fence->link);
 		fence->base.error = -ETIME;
-- 
2.41.0



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