diff --git a/services/surfaceflinger/DisplayDevice.h b/services/surfaceflinger/DisplayDevice.h
index ddb09c5..c7ed927 100644
--- a/services/surfaceflinger/DisplayDevice.h
+++ b/services/surfaceflinger/DisplayDevice.h
@@ -87,6 +87,7 @@
             std::unique_ptr<RE::Surface> renderSurface,
             int displayWidth,
             int displayHeight,
+            int displayInstallOrientation,
             bool hasWideColorGamut,
             const HdrCapabilities& hdrCapabilities,
             const int32_t supportedPerFrameMetadata,
@@ -110,6 +111,7 @@
 
     int         getWidth() const;
     int         getHeight() const;
+    int         getInstallOrientation() const { return mDisplayInstallOrientation; }
 
     void                    setVisibleLayersSortedByZ(const Vector< sp<Layer> >& layers);
     const Vector< sp<Layer> >& getVisibleLayersSortedByZ() const;
@@ -234,6 +236,7 @@
     std::unique_ptr<RE::Surface> mSurface;
     int             mDisplayWidth;
     int             mDisplayHeight;
+    const int       mDisplayInstallOrientation;
     mutable uint32_t mPageFlipCount;
     std::string     mDisplayName;
     bool            mIsSecure;