35 	mod_delayed_work(system_highpri_wq, &engine->heartbeat.work, delay);  in next_heartbeat()
49 	struct drm_printer p = drm_debug_printer("heartbeat");  in show_heartbeat()
52 			  "%s heartbeat {seqno:%llx:%lld, prio:%d} not ticking\n",  in show_heartbeat()
59 static void heartbeat(struct work_struct *wrk)  in heartbeat()  function
65 		container_of(wrk, typeof(*engine), heartbeat.work.work);  in heartbeat()
73 	rq = engine->heartbeat.systole;  in heartbeat()
76 		engine->heartbeat.systole = NULL;  in heartbeat()
85 	if (engine->heartbeat.systole) {  in heartbeat()
100 			 * Gradually raise the priority of the heartbeat to  in heartbeat()
120 					      "stopped heartbeat on %s",  in heartbeat()
132 		if (xchg(&engine->heartbeat.blocked, serial) == serial)  in heartbeat()
135 					      "no heartbeat on %s",  in heartbeat()
148 		engine->heartbeat.systole = i915_request_get(rq);  in heartbeat()
157 		i915_request_put(fetch_and_zero(&engine->heartbeat.systole));  in heartbeat()
171 	if (cancel_delayed_work(&engine->heartbeat.work))  in intel_engine_park_heartbeat()
172 		i915_request_put(fetch_and_zero(&engine->heartbeat.systole));  in intel_engine_park_heartbeat()
177 	INIT_DELAYED_WORK(&engine->heartbeat.work, heartbeat);  in intel_engine_init_heartbeat()