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-rw-r--r--drivers/gpu/drm/i915/intel_breadcrumbs.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c
index 03bbc1dfbc51..6a740618863c 100644
--- a/drivers/gpu/drm/i915/intel_breadcrumbs.c
+++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c
@@ -247,6 +247,8 @@ void intel_engine_disarm_breadcrumbs(struct intel_engine_cs *engine)
spin_unlock(&b->irq_lock);
rbtree_postorder_for_each_entry_safe(wait, n, &b->waiters, node) {
+ GEM_BUG_ON(!i915_seqno_passed(intel_engine_get_seqno(engine),
+ wait->seqno));
RB_CLEAR_NODE(&wait->node);
wake_up_process(wait->tsk);
}