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With atomic modesetting, omap_plane_setup()'s return value is ignored as the functions using it cannot fail. dispc_ovl_setup(), called by omap_plane_setup(), can fail (but shouldn't). Instead of returning an error from omap_plane_setup() which gets ignored, return void and use WARN if dispc_ovl_setup() fails. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>