diff --git a/drivers/gpu/drm/i915/display/intel_overlay.h b/drivers/gpu/drm/i915/display/intel_overlay.h
index a167c28acd27..c3f68fce6f08 100644
--- a/drivers/gpu/drm/i915/display/intel_overlay.h
+++ b/drivers/gpu/drm/i915/display/intel_overlay.h
@@ -13,6 +13,7 @@ struct drm_i915_private;
 struct intel_overlay;
 struct intel_overlay_error_state;
 
+#ifdef I915
 void intel_overlay_setup(struct drm_i915_private *dev_priv);
 void intel_overlay_cleanup(struct drm_i915_private *dev_priv);
 int intel_overlay_switch_off(struct intel_overlay *overlay);
@@ -25,5 +26,39 @@ struct intel_overlay_error_state *
 intel_overlay_capture_error_state(struct drm_i915_private *dev_priv);
 void intel_overlay_print_error_state(struct drm_i915_error_state_buf *e,
 				     struct intel_overlay_error_state *error);
+#else
+static inline void intel_overlay_setup(struct drm_i915_private *dev_priv)
+{
+}
+static inline void intel_overlay_cleanup(struct drm_i915_private *dev_priv)
+{
+}
+static inline int intel_overlay_switch_off(struct intel_overlay *overlay)
+{
+	return 0;
+}
+static inline int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
+				  struct drm_file *file_priv)
+{
+	return 0;
+}
+static inline int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data,
+					    struct drm_file *file_priv)
+{
+	return 0;
+}
+static inline void intel_overlay_reset(struct drm_i915_private *dev_priv)
+{
+}
+static inline struct intel_overlay_error_state *
+intel_overlay_capture_error_state(struct drm_i915_private *dev_priv)
+{
+	return NULL;
+}
+static inline void intel_overlay_print_error_state(struct drm_i915_error_state_buf *e,
+						   struct intel_overlay_error_state *error)
+{
+}
+#endif
 
 #endif /* __INTEL_OVERLAY_H__ */