diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
index b5dac5749106..4cb6fc93baea 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
@@ -144,6 +144,7 @@ rockchip_drm_logo_fb_alloc(struct drm_device *dev, const struct drm_mode_fb_cmd2
 	fb->flags |= ROCKCHIP_DRM_MODE_LOGO_FB;
 	rockchip_logo_fb->logo = logo;
 	rockchip_logo_fb->fb.obj[0] = &rockchip_logo_fb->rk_obj.base;
+	rockchip_logo_fb->fb.obj[0]->funcs = &rockchip_gem_object_funcs;
 	drm_gem_object_init(dev, rockchip_logo_fb->fb.obj[0], PAGE_ALIGN(logo->size));
 	rockchip_logo_fb->rk_obj.dma_addr = logo->dma_addr;
 	rockchip_logo_fb->rk_obj.kvaddr = logo->kvaddr;
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
index d62534849a6f..ed208bf979b4 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
@@ -584,7 +584,7 @@ static void rockchip_gem_release_object(struct rockchip_gem_object *rk_obj)
 	kfree(rk_obj);
 }
 
-static const struct drm_gem_object_funcs rockchip_gem_object_funcs = {
+const struct drm_gem_object_funcs rockchip_gem_object_funcs = {
 	.free = rockchip_gem_free_object,
 	.export = rockchip_drm_gem_prime_export,
 	.get_sg_table = rockchip_gem_prime_get_sg_table,
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.h b/drivers/gpu/drm/rockchip/rockchip_drm_gem.h
index 7b13590ffb43..5b434cb1e494 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.h
@@ -76,4 +76,7 @@ int rockchip_gem_prime_end_cpu_access(struct drm_gem_object *obj,
 				      enum dma_data_direction dir);
 
 void rockchip_gem_get_ddr_info(void);
+
+extern const struct drm_gem_object_funcs rockchip_gem_object_funcs;
+
 #endif /* _ROCKCHIP_DRM_GEM_H */