diff --git a/media/java/android/media/RouteDiscoveryPreference.java b/media/java/android/media/RouteDiscoveryPreference.java
index 207460af140c5..71d8261b09bfc 100644
--- a/media/java/android/media/RouteDiscoveryPreference.java
+++ b/media/java/android/media/RouteDiscoveryPreference.java
@@ -24,6 +24,8 @@ import android.os.Parcel;
 import android.os.Parcelable;
 import android.text.TextUtils;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashSet;
@@ -180,6 +182,24 @@ public final class RouteDiscoveryPreference implements Parcelable {
         dest.writeBundle(mExtras);
     }
 
+    /**
+     * Dumps current state of the instance. Use with {@code dumpsys}.
+     *
+     * See {@link android.os.Binder#dump(FileDescriptor, PrintWriter, String[])}.
+     *
+     * @hide
+     */
+    public void dump(@NonNull PrintWriter pw, @NonNull String prefix) {
+        pw.println(prefix + "RouteDiscoveryPreference");
+
+        String indent = prefix + "  ";
+
+        pw.println(indent + "mPreferredFeatures=" + mPreferredFeatures);
+        pw.println(indent + "mPackageOrder=" + mPackageOrder);
+        pw.println(indent + "mAllowedPackages=" + mAllowedPackages);
+        pw.println(indent + "mExtras=" + mExtras);
+    }
+
     @Override
     public String toString() {
         StringBuilder result = new StringBuilder()
diff --git a/services/core/java/com/android/server/media/MediaRouter2ServiceImpl.java b/services/core/java/com/android/server/media/MediaRouter2ServiceImpl.java
index 54ed54ef771ef..1fdf3941376aa 100644
--- a/services/core/java/com/android/server/media/MediaRouter2ServiceImpl.java
+++ b/services/core/java/com/android/server/media/MediaRouter2ServiceImpl.java
@@ -1242,6 +1242,8 @@ class MediaRouter2ServiceImpl {
                 pw.println(indent + "<no manager records>");
             }
 
+            mCompositeDiscoveryPreference.dump(pw, indent);
+
             if (!mHandler.runWithScissors(() -> mHandler.dump(pw, indent), 1000)) {
                 pw.println(indent + "<could not dump handler state>");
             }
@@ -1299,6 +1301,8 @@ class MediaRouter2ServiceImpl {
             pw.println(indent + "mHasModifyAudioRoutingPermission="
                     + mHasModifyAudioRoutingPermission);
             pw.println(indent + "mRouterId=" + mRouterId);
+
+            mDiscoveryPreference.dump(pw, indent);
         }
     }