diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 4b5a843..ad0d9d4 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -774,7 +774,7 @@
         return nullptr;
     }
 
-    std::optional<DeviceProductInfo> getDeviceProductInfoLocked(const DisplayDevice&) const;
+    std::optional<DeviceProductInfo> getDeviceProductInfoLocked(DisplayId) const;
 
     // mark a region of a layer stack dirty. this updates the dirty
     // region of all screens presenting this layer stack.