return i915_seqno_passed(__hwsp_seqno(rq), rq->fence.seqno);
}
+__maybe_unused static bool
+check_signal_order(struct intel_context *ce, struct i915_request *rq)
+{
+ if (!list_is_last(&rq->signal_link, &ce->signals) &&
+ i915_seqno_passed(rq->fence.seqno,
+ list_next_entry(rq, signal_link)->fence.seqno))
+ return false;
+
+ if (!list_is_first(&rq->signal_link, &ce->signals) &&
+ i915_seqno_passed(list_prev_entry(rq, signal_link)->fence.seqno,
+ rq->fence.seqno))
+ return false;
+
+ return true;
+}
+
void intel_engine_breadcrumbs_irq(struct intel_engine_cs *engine)
{
struct intel_breadcrumbs *b = &engine->breadcrumbs;
struct i915_request *rq =
list_entry(pos, typeof(*rq), signal_link);
+ GEM_BUG_ON(!check_signal_order(ce, rq));
+
if (!__request_completed(rq))
break;
list_add(&rq->signal_link, pos);
if (pos == &ce->signals) /* catch transitions from empty list */
list_move_tail(&ce->signal_link, &b->signalers);
+ GEM_BUG_ON(!check_signal_order(ce, rq));
set_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags);
}