graphics: display: implement dynamic target fps

src/tasks/safetyui.rs

@@ -94,6 +94,7 @@ impl<S: Debug + Surface<Uniforms = Uniforms, CoordinateSpace = SegmentSpace, Pix
         if let Prediction::SetPersonality(personality) = event { match personality {
             Personality::Active => {
                 // FIXME: These should be a Off/Low/High enum, so the stopping brake looks different from the dayrunning brake.
+                self.display.set_fps(DEFAULT_FPS);
                 warn!("Active personality: Turning on safety lights");
                 TURN_ON_FAST.apply([
                     &mut self.brakelight,
@@ -106,6 +107,7 @@ impl<S: Debug + Surface<Uniforms = Uniforms, CoordinateSpace = SegmentSpace, Pix
                     &mut self.brakelight,
                     &mut self.headlight
                 ]).await;
+                self.display.set_fps(LOW_POWER_FPS);
             },
             Personality::Sleeping => {
                 warn!("Sleeping personality: Safety UI is going to sleep");
@@ -113,6 +115,7 @@ impl<S: Debug + Surface<Uniforms = Uniforms, CoordinateSpace = SegmentSpace, Pix
             },
             Personality::Waking => {
                 warn!("Waking personality: Waking up safety UI");
+                self.display.set_fps(DEFAULT_FPS);
                 self.wake().await;
             },
         } }