Use the delay it in the model

selfdrive/modeld/modeld.py

@@ -184,7 +184,7 @@ def main(demo=False):
 
   # messaging
   pm = PubMaster(["modelV2", "drivingModelData", "cameraOdometry"])
-  sm = SubMaster(["deviceState", "carState", "roadCameraState", "liveCalibration", "driverMonitoringState", "carControl"])
+  sm = SubMaster(["deviceState", "carState", "roadCameraState", "liveCalibration", "driverMonitoringState", "carControl", "liveActuatorDelay"])
 
   publish_state = PublishState()
   params = Params()
@@ -209,9 +209,6 @@ def main(demo=False):
     CP = messaging.log_from_bytes(params.get("CarParams", block=True), car.CarParams)
   cloudlog.info("modeld got CarParams: %s", CP.brand)
 
-  # TODO this needs more thought, use .2s extra for now to estimate other delays
-  steer_delay = CP.steerActuatorDelay + .2
-
   DH = DesireHelper()
 
   while True:
@@ -252,6 +249,7 @@ def main(demo=False):
     is_rhd = sm["driverMonitoringState"].isRHD
     frame_id = sm["roadCameraState"].frameId
     v_ego = max(sm["carState"].vEgo, 0.)
+    steer_delay = sm["liveActuatorDelay"].steerActuatorDelay
     lateral_control_params = np.array([v_ego, steer_delay], dtype=np.float32)
     if sm.updated["liveCalibration"] and sm.seen['roadCameraState'] and sm.seen['deviceState']:
       device_from_calib_euler = np.array(sm["liveCalibration"].rpyCalib, dtype=np.float32)