drm: omapdrm: Don't setup planes manually from CRTC .enable()/.disable()

Planes setup is handled by the DRM core through the atomic helpers,
there's no need to duplicate the code in the CRTC .enable() and
.disable() operations.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c
index d18fe10..4487076 100644
--- a/drivers/gpu/drm/omapdrm/omap_plane.c
+++ b/drivers/gpu/drm/omapdrm/omap_plane.c
@@ -58,7 +58,7 @@
 	return container_of(state, struct omap_plane_state, base);
 }
 
-int omap_plane_setup(struct drm_plane *plane)
+static int omap_plane_setup(struct drm_plane *plane)
 {
 	struct omap_plane *omap_plane = to_omap_plane(plane);
 	struct drm_plane_state *state = plane->state;