/* SPDX-License-Identifier: GPL-2.0+ */ /* * R-Car Display Unit Writeback Support * * Copyright (C) 2019 Laurent Pinchart <laurent.pinchart@ideasonboard.com> */ #ifndef __RCAR_DU_WRITEBACK_H__ #define __RCAR_DU_WRITEBACK_H__ #include <drm/drm_plane.h> struct rcar_du_crtc; struct rcar_du_device; struct vsp1_du_atomic_pipe_config; #ifdef CONFIG_DRM_RCAR_WRITEBACK int rcar_du_writeback_init(struct rcar_du_device *rcdu, struct rcar_du_crtc *rcrtc); void rcar_du_writeback_setup(struct rcar_du_crtc *rcrtc, struct vsp1_du_writeback_config *cfg); void rcar_du_writeback_complete(struct rcar_du_crtc *rcrtc); #else static inline int rcar_du_writeback_init(struct rcar_du_device *rcdu, struct rcar_du_crtc *rcrtc) { return -ENXIO; } static inline void rcar_du_writeback_setup(struct rcar_du_crtc *rcrtc, struct vsp1_du_writeback_config *cfg) { } static inline void rcar_du_writeback_complete(struct rcar_du_crtc *rcrtc) { } #endif #endif /* __RCAR_DU_WRITEBACK_H__ */