diff --git a/services/java/com/android/server/display/DisplayManagerService.java b/services/java/com/android/server/display/DisplayManagerService.java
index b109f2a..85f3b56 100644
--- a/services/java/com/android/server/display/DisplayManagerService.java
+++ b/services/java/com/android/server/display/DisplayManagerService.java
@@ -536,6 +536,8 @@
                 return;
             }
 
+            Slog.i(TAG, "Display device added: " + device.getDisplayDeviceInfoLocked());
+
             mDisplayDevices.add(device);
             addLogicalDisplayLocked(device);
             scheduleTraversalLocked();
@@ -550,6 +552,8 @@
                 return;
             }
 
+            Slog.i(TAG, "Display device changed: " + device.getDisplayDeviceInfoLocked());
+
             device.applyPendingDisplayDeviceInfoChangesLocked();
             if (updateLogicalDisplaysLocked()) {
                 scheduleTraversalLocked();
@@ -565,6 +569,8 @@
                 return;
             }
 
+            Slog.i(TAG, "Display device removed: " + device.getDisplayDeviceInfoLocked());
+
             mRemovedDisplayDevices.add(device);
             updateLogicalDisplaysLocked();
             scheduleTraversalLocked();