diff --git a/drivers/gpu/drm/tiny/simpledrm.c b/drivers/gpu/drm/tiny/simpledrm.c
index 8ea120eb8674..30676b107303 100644
--- a/drivers/gpu/drm/tiny/simpledrm.c
+++ b/drivers/gpu/drm/tiny/simpledrm.c
@@ -276,7 +276,7 @@ static struct simpledrm_device *simpledrm_device_of_dev(struct drm_device *dev)
 
 static void simpledrm_device_release_clocks(void *res)
 {
-	struct simpledrm_device *sdev = simpledrm_device_of_dev(res);
+	struct simpledrm_device *sdev = res;
 	unsigned int i;
 
 	for (i = 0; i < sdev->clk_count; ++i) {
@@ -374,7 +374,7 @@ static int simpledrm_device_init_clocks(struct simpledrm_device *sdev)
 
 static void simpledrm_device_release_regulators(void *res)
 {
-	struct simpledrm_device *sdev = simpledrm_device_of_dev(res);
+	struct simpledrm_device *sdev = res;
 	unsigned int i;
 
 	for (i = 0; i < sdev->regulator_count; ++i) {