diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 0144b4e..6770c1c 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -758,6 +758,8 @@
         return nullptr;
     }
 
+    std::optional<DeviceProductInfo> getDeviceProductInfoLocked(const DisplayDevice&) const;
+
     // mark a region of a layer stack dirty. this updates the dirty
     // region of all screens presenting this layer stack.
     void invalidateLayerStack(const sp<const Layer>& layer, const Region& dirty);