diff --git a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
index d379d6d..882682d 100644
--- a/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
+++ b/quickstep/src/com/android/launcher3/statehandlers/DepthController.java
@@ -193,5 +193,6 @@
         writer.println(prefix + "\tmIgnoreStateChangesDuringMultiWindowAnimation="
                 + mIgnoreStateChangesDuringMultiWindowAnimation);
         writer.println(prefix + "\tmPauseBlurs=" + mPauseBlurs);
+        writer.println(prefix + "\tmWaitingOnSurfaceValidity=" + mWaitingOnSurfaceValidity);
     }
 }
diff --git a/quickstep/src/com/android/quickstep/util/BaseDepthController.java b/quickstep/src/com/android/quickstep/util/BaseDepthController.java
index 931e468..99f564c 100644
--- a/quickstep/src/com/android/quickstep/util/BaseDepthController.java
+++ b/quickstep/src/com/android/quickstep/util/BaseDepthController.java
@@ -18,6 +18,7 @@
 import android.app.WallpaperManager;
 import android.os.IBinder;
 import android.util.FloatProperty;
+import android.util.Log;
 import android.view.AttachedSurfaceControl;
 import android.view.SurfaceControl;
 
@@ -50,6 +51,9 @@
     private static final int DEPTH_INDEX_WIDGET = 1;
     private static final int DEPTH_INDEX_COUNT = 2;
 
+    // b/291401432
+    private static final String TAG = "BaseDepthController";
+
     protected final Launcher mLauncher;
     /** Property to set the depth for state transition. */
     public final MultiProperty stateDepth;
@@ -88,7 +92,7 @@
      */
     protected boolean mInEarlyWakeUp;
 
-    private boolean mWaitingOnSurfaceValidity;
+    protected boolean mWaitingOnSurfaceValidity;
 
     public BaseDepthController(Launcher activity) {
         mLauncher = activity;
@@ -133,9 +137,11 @@
             return;
         }
         if (mSurface == null) {
+            Log.d(TAG, "mSurface is null and mCurrentBlur is: " + mCurrentBlur);
             return;
         }
         if (!mSurface.isValid()) {
+            Log.d(TAG, "mSurface is not valid");
             mWaitingOnSurfaceValidity = true;
             onInvalidSurface();
             return;
@@ -186,6 +192,8 @@
     protected void setSurface(SurfaceControl surface) {
         if (mSurface != surface || mWaitingOnSurfaceValidity) {
             mSurface = surface;
+            Log.d(TAG, "setSurface:\n\tmWaitingOnSurfaceValidity: " + mWaitingOnSurfaceValidity
+                    + "\n\tmSurface: " + mSurface);
             applyDepthAndBlur();
         }
     }