rcar_du_writeback.h (1022B)
1/* SPDX-License-Identifier: GPL-2.0+ */ 2/* 3 * rcar_du_writeback.h -- R-Car Display Unit Writeback Support 4 * 5 * Copyright (C) 2019 Laurent Pinchart <laurent.pinchart@ideasonboard.com> 6 */ 7 8#ifndef __RCAR_DU_WRITEBACK_H__ 9#define __RCAR_DU_WRITEBACK_H__ 10 11#include <drm/drm_plane.h> 12 13struct rcar_du_crtc; 14struct rcar_du_device; 15struct vsp1_du_atomic_pipe_config; 16 17#ifdef CONFIG_DRM_RCAR_WRITEBACK 18int rcar_du_writeback_init(struct rcar_du_device *rcdu, 19 struct rcar_du_crtc *rcrtc); 20void rcar_du_writeback_setup(struct rcar_du_crtc *rcrtc, 21 struct vsp1_du_writeback_config *cfg); 22void rcar_du_writeback_complete(struct rcar_du_crtc *rcrtc); 23#else 24static inline int rcar_du_writeback_init(struct rcar_du_device *rcdu, 25 struct rcar_du_crtc *rcrtc) 26{ 27 return -ENXIO; 28} 29static inline void 30rcar_du_writeback_setup(struct rcar_du_crtc *rcrtc, 31 struct vsp1_du_writeback_config *cfg) 32{ 33} 34static inline void rcar_du_writeback_complete(struct rcar_du_crtc *rcrtc) 35{ 36} 37#endif 38 39#endif /* __RCAR_DU_WRITEBACK_H__ */