1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_drm_iommu.h b/drivers/gpu/drm/exynos/exynos_drm_iommu.h
index 35d25889b476..8341c7a475b4 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_iommu.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_iommu.h
@@ -38,6 +38,10 @@ static inline bool is_drm_iommu_supported(struct drm_device *drm_dev)
 #endif
 }
 
+int drm_iommu_attach_device_if_possible(
+                struct exynos_drm_crtc *exynos_crtc, struct drm_device *drm_dev,
+                struct device *subdrv_dev);
+
 #else
 
 static inline int drm_create_iommu_mapping(struct drm_device *drm_dev)
@@ -65,5 +69,12 @@ static inline bool is_drm_iommu_supported(struct drm_device *drm_dev)
         return false;
 }
 
+static inline int drm_iommu_attach_device_if_possible(
+                struct exynos_drm_crtc *exynos_crtc, struct drm_device *drm_dev,
+                struct device *subdrv_dev)
+{
+        return 0;
+}
+
 #endif
 #endif