diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
index 54a8414..1ddd352 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSPanel.java
@@ -203,7 +203,7 @@
         }
     }
 
-    private void refreshAllTiles() {
+    public void refreshAllTiles() {
         for (TileRecord r : mRecords) {
             r.tile.refreshState();
         }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
index eb48754..65762ec 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -3611,6 +3611,12 @@
             instantCollapseNotificationPanel();
         }
         updateKeyguardState(staying, false /* fromShadeLocked */);
+
+        // Keyguard state has changed, but QS is not listening anymore. Make sure to update the tile
+        // visibilities so next time we open the panel we know the correct height already.
+        if (mQSPanel != null) {
+            mQSPanel.refreshAllTiles();
+        }
         return staying;
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
index a4db46a..45a1386 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
@@ -21,6 +21,7 @@
 import android.content.res.Resources;
 import android.database.ContentObserver;
 import android.net.Uri;
+import android.os.Process;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.Looper;
@@ -108,7 +109,8 @@
         mKeyguard = keyguard;
         mSecurity = security;
 
-        final HandlerThread ht = new HandlerThread(QSTileHost.class.getSimpleName());
+        final HandlerThread ht = new HandlerThread(QSTileHost.class.getSimpleName(),
+                Process.THREAD_PRIORITY_BACKGROUND);
         ht.start();
         mLooper = ht.getLooper();