intel_engine_pulse
return intel_engine_pulse(engine) == 0;
int intel_engine_pulse(struct intel_engine_cs *engine);
if (engine && intel_engine_pulse(engine))
if (engine && intel_engine_pulse(engine))
err = __live_idle_pulse(engine, intel_engine_pulse);
err = intel_engine_pulse(arg->engine);
err = intel_engine_pulse(arg->engine);
err = intel_engine_pulse(arg->engine);
err = intel_engine_pulse(arg->engine); /* force reset */
err = intel_engine_pulse(engine);