Revert "try simple"

This reverts commit b951385080.

openpilot/selfdrive/ui/mici/onroad/hud_renderer.py

@@ -107,6 +107,7 @@ class HudRenderer(Widget):
     self.speed: float = 0.0
     self.v_ego_cluster_seen: bool = False
     self._engaged: bool = False
+    self._sp_engaged: bool = False
     self._chestnut_fade_time: float = 0
 
     self._can_draw_top_icons = True
@@ -164,8 +165,10 @@ class HudRenderer(Widget):
     engaged = sm['selfdriveState'].enabled
     if (set_speed != self.set_speed and engaged) or (engaged and not self._engaged):
       self._set_speed_changed_time = rl.get_time()
-    if engaged != self._engaged:
-      self._chestnut_fade_time = rl.get_time() if engaged else 0
+    sp_engaged = ui_state.engaged
+    if sp_engaged != self._sp_engaged:
+      self._chestnut_fade_time = rl.get_time() if sp_engaged else 0
+    self._sp_engaged = sp_engaged
     self._engaged = engaged
     self.set_speed = set_speed
     self.is_cruise_set = 0 < self.set_speed < SET_SPEED_NA