drm/xe/tlb: print seqno_recv on fence TLB timeout

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@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

diff --git a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
index bf23d97d2fef6db8f6314fa7c3609d1173430775..29819dc820c5d6726746c70cac99d9d292611922 100644 (file)
--- 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;