1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
index 57ed56d8623f..d9113faaa62f 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3-plane.c
@@ -22,6 +22,7 @@
 #include <drm/drm_plane_helper.h>
 
 #include "video/imx-ipu-v3.h"
+#include "imx-drm.h"
 #include "ipuv3-plane.h"
 
 struct ipu_plane_state {
@@ -272,7 +273,7 @@ static void ipu_plane_destroy(struct drm_plane *plane)
         kfree(ipu_plane);
 }
 
-void ipu_plane_state_reset(struct drm_plane *plane)
+static void ipu_plane_state_reset(struct drm_plane *plane)
 {
         struct ipu_plane_state *ipu_state;
 
@@ -292,7 +293,8 @@ void ipu_plane_state_reset(struct drm_plane *plane)
         plane->state = &ipu_state->base;
 }
 
-struct drm_plane_state *ipu_plane_duplicate_state(struct drm_plane *plane)
+static struct drm_plane_state *
+ipu_plane_duplicate_state(struct drm_plane *plane)
 {
         struct ipu_plane_state *state;
 
@@ -306,8 +308,8 @@ struct drm_plane_state *ipu_plane_duplicate_state(struct drm_plane *plane)
         return &state->base;
 }
 
-void ipu_plane_destroy_state(struct drm_plane *plane,
-                             struct drm_plane_state *state)
+static void ipu_plane_destroy_state(struct drm_plane *plane,
+                                    struct drm_plane_state *state)
 {
         struct ipu_plane_state *ipu_state = to_ipu_plane_state(state);