41 	struct intel_engine_cs *signaller;  in semaphore_wait_to_signaller_ring()  local
44 	for_each_engine(signaller, dev_priv, id) {  in semaphore_wait_to_signaller_ring()
45 		if (engine == signaller)  in semaphore_wait_to_signaller_ring()
48 		if (sync_bits == signaller->semaphore.mbox.wait[engine->hw_id])  in semaphore_wait_to_signaller_ring()
49 			return signaller;  in semaphore_wait_to_signaller_ring()
129 	struct intel_engine_cs *signaller;  in semaphore_passed()  local
134 	signaller = semaphore_waits_for(engine, &seqno);  in semaphore_passed()
135 	if (signaller == NULL)  in semaphore_passed()
138 	if (IS_ERR(signaller))  in semaphore_passed()
142 	if (signaller->hangcheck.deadlock >= I915_NUM_ENGINES)  in semaphore_passed()
145 	if (i915_seqno_passed(intel_engine_get_seqno(signaller), seqno))  in semaphore_passed()
149 	if (I915_READ_CTL(signaller) & RING_WAIT_SEMAPHORE &&  in semaphore_passed()
150 	    semaphore_passed(signaller) < 0)  in semaphore_passed()