diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
index d785654e4aa3..4d14de408de1 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
@@ -84,61 +84,6 @@ void rcar_du_vsp_enable(struct rcar_du_crtc *crtc)
 	vsp1_du_setup_lif(crtc->vsp->vsp, crtc->vsp_pipe, &cfg);
 }
 
-static void rcar_du_vsp_plane_setup(struct rcar_du_vsp_plane *plane)
-{
-	struct rcar_du_vsp_plane_state *state =
-		to_rcar_vsp_plane_state(plane->plane.state);
-	struct rcar_du_crtc *crtc = to_rcar_crtc(state->state.crtc);
-	struct drm_framebuffer *fb = plane->plane.state->fb;
-	const struct rcar_du_format_info *format;
-	struct vsp1_du_atomic_config cfg = {
-		.pixelformat = 0,
-		.pitch = fb->pitches[0],
-		.alpha = state->state.alpha >> 8,
-		.zpos = state->state.zpos,
-	};
-	u32 fourcc = state->format->fourcc;
-	unsigned int i;
-
-	cfg.src.left = state->state.src.x1 >> 16;
-	cfg.src.top = state->state.src.y1 >> 16;
-	cfg.src.width = drm_rect_width(&state->state.src) >> 16;
-	cfg.src.height = drm_rect_height(&state->state.src) >> 16;
-
-	cfg.dst.left = state->state.dst.x1;
-	cfg.dst.top = state->state.dst.y1;
-	cfg.dst.width = drm_rect_width(&state->state.dst);
-	cfg.dst.height = drm_rect_height(&state->state.dst);
-
-	for (i = 0; i < state->format->planes; ++i)
-		cfg.mem[i] = sg_dma_address(state->sg_tables[i].sgl)
-			   + fb->offsets[i];
-
-	if (state->state.pixel_blend_mode == DRM_MODE_BLEND_PIXEL_NONE) {
-		switch (fourcc) {
-		case DRM_FORMAT_ARGB1555:
-			fourcc = DRM_FORMAT_XRGB1555;
-			break;
-
-		case DRM_FORMAT_ARGB4444:
-			fourcc = DRM_FORMAT_XRGB4444;
-			break;
-
-		case DRM_FORMAT_ARGB8888:
-			fourcc = DRM_FORMAT_XRGB8888;
-			break;
-		}
-	}
-
-	format = rcar_du_format_info(fourcc);
-	cfg.pixelformat = format->v4l2;
-
-	cfg.premult = state->state.pixel_blend_mode == DRM_MODE_BLEND_PREMULTI;
-
-	vsp1_du_atomic_update(plane->vsp->vsp, crtc->vsp_pipe,
-			      plane->index, &cfg);
-}
-
 static int rcar_du_vsp_plane_atomic_check(struct drm_plane *plane,
 					  struct drm_atomic_state *state)
 {
@@ -150,21 +95,6 @@ static int rcar_du_vsp_plane_atomic_check(struct drm_plane *plane,
 					    &rstate->format);
 }
 
-static void rcar_du_vsp_plane_atomic_update(struct drm_plane *plane,
-					struct drm_atomic_state *state)
-{
-	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, plane);
-	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane);
-	struct rcar_du_vsp_plane *rplane = to_rcar_vsp_plane(plane);
-	struct rcar_du_crtc *crtc = to_rcar_crtc(old_state->crtc);
-
-	if (new_state->visible)
-		rcar_du_vsp_plane_setup(rplane);
-	else if (old_state->crtc)
-		vsp1_du_atomic_update(rplane->vsp->vsp, crtc->vsp_pipe,
-				      rplane->index, NULL);
-}
-
 static const struct drm_plane_helper_funcs rcar_du_vsp_plane_helper_funcs = {
 	.prepare_fb = rcar_du_vsp_plane_prepare_fb,
 	.cleanup_fb = rcar_du_vsp_plane_cleanup_fb,
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.c
index 9240c56ec40f..a8ddf06686cd 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.c
@@ -25,6 +25,7 @@
 #include <media/vsp1.h>
 
 #include "rcar_du_drv.h"
+#include "rcar_du_kms.h"
 #include "rcar_du_writeback.h"
 
 void rcar_du_vsp_disable(struct rcar_du_crtc *crtc)
@@ -115,6 +116,61 @@ static const u32 rcar_du_vsp_formats_gen4[] = {
 	DRM_FORMAT_Y212,
 };
 
+static void rcar_du_vsp_plane_setup(struct rcar_du_vsp_plane *plane)
+{
+	struct rcar_du_vsp_plane_state *state =
+		to_rcar_vsp_plane_state(plane->plane.state);
+	struct rcar_du_crtc *crtc = to_rcar_crtc(state->state.crtc);
+	struct drm_framebuffer *fb = plane->plane.state->fb;
+	const struct rcar_du_format_info *format;
+	struct vsp1_du_atomic_config cfg = {
+		.pixelformat = 0,
+		.pitch = fb->pitches[0],
+		.alpha = state->state.alpha >> 8,
+		.zpos = state->state.zpos,
+	};
+	u32 fourcc = state->format->fourcc;
+	unsigned int i;
+
+	cfg.src.left = state->state.src.x1 >> 16;
+	cfg.src.top = state->state.src.y1 >> 16;
+	cfg.src.width = drm_rect_width(&state->state.src) >> 16;
+	cfg.src.height = drm_rect_height(&state->state.src) >> 16;
+
+	cfg.dst.left = state->state.dst.x1;
+	cfg.dst.top = state->state.dst.y1;
+	cfg.dst.width = drm_rect_width(&state->state.dst);
+	cfg.dst.height = drm_rect_height(&state->state.dst);
+
+	for (i = 0; i < state->format->planes; ++i)
+		cfg.mem[i] = sg_dma_address(state->sg_tables[i].sgl)
+			   + fb->offsets[i];
+
+	if (state->state.pixel_blend_mode == DRM_MODE_BLEND_PIXEL_NONE) {
+		switch (fourcc) {
+		case DRM_FORMAT_ARGB1555:
+			fourcc = DRM_FORMAT_XRGB1555;
+			break;
+
+		case DRM_FORMAT_ARGB4444:
+			fourcc = DRM_FORMAT_XRGB4444;
+			break;
+
+		case DRM_FORMAT_ARGB8888:
+			fourcc = DRM_FORMAT_XRGB8888;
+			break;
+		}
+	}
+
+	format = rcar_du_format_info(fourcc);
+	cfg.pixelformat = format->v4l2;
+
+	cfg.premult = state->state.pixel_blend_mode == DRM_MODE_BLEND_PREMULTI;
+
+	vsp1_du_atomic_update(plane->vsp->vsp, crtc->vsp_pipe,
+			      plane->index, &cfg);
+}
+
 int rcar_du_vsp_map_fb(struct rcar_du_vsp *vsp, struct drm_framebuffer *fb,
 		       struct sg_table sg_tables[3])
 {
@@ -223,6 +279,21 @@ void rcar_du_vsp_plane_cleanup_fb(struct drm_plane *plane,
 	rcar_du_vsp_unmap_fb(vsp, state->fb, rstate->sg_tables);
 }
 
+void rcar_du_vsp_plane_atomic_update(struct drm_plane *plane,
+				     struct drm_atomic_state *state)
+{
+	struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, plane);
+	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane);
+	struct rcar_du_vsp_plane *rplane = to_rcar_vsp_plane(plane);
+	struct rcar_du_crtc *crtc = to_rcar_crtc(old_state->crtc);
+
+	if (new_state->visible)
+		rcar_du_vsp_plane_setup(rplane);
+	else if (old_state->crtc)
+		vsp1_du_atomic_update(rplane->vsp->vsp, crtc->vsp_pipe,
+				      rplane->index, NULL);
+}
+
 static struct drm_plane_state *
 rcar_du_vsp_plane_atomic_duplicate_state(struct drm_plane *plane)
 {
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.h b/drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.h
index efd2bb36c88b..4e1421e3c00f 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp_lib.h
@@ -29,6 +29,8 @@ int rcar_du_vsp_plane_prepare_fb(struct drm_plane *plane,
 				 struct drm_plane_state *state);
 void rcar_du_vsp_plane_cleanup_fb(struct drm_plane *plane,
 				  struct drm_plane_state *state);
+void rcar_du_vsp_plane_atomic_update(struct drm_plane *plane,
+				     struct drm_atomic_state *state);
 #else
 static inline void rcar_du_vsp_disable(struct rcar_du_crtc *crtc) { };
 static inline void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc) { };
@@ -64,6 +66,11 @@ static inline void rcar_du_vsp_plane_cleanup_fb(struct drm_plane *plane,
 						struct drm_plane_state *state)
 {
 }
+
+static inline void rcar_du_vsp_plane_atomic_update(struct drm_plane *plane,
+						   struct drm_atomic_state *state)
+{
+}
 #endif
 
 #endif /* __RCAR_DU_VSP_LIB_H__ */
