/* * Copyright (C) 2014 Red Hat * Copyright (C) 2014 Intel Corp. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Rob Clark <robdclark@gmail.com> * Daniel Vetter <daniel.vetter@ffwll.ch> */ #ifndef DRM_ATOMIC_H_#define DRM_ATOMIC_H_ #include <drm/drm_crtc.h> struct drm_atomic_state * __must_checkdrm_atomic_state_alloc(struct drm_device *dev);void drm_atomic_state_clear(struct drm_atomic_state *state);void drm_atomic_state_free(struct drm_atomic_state *state); int  __must_checkdrm_atomic_state_init(struct drm_device *dev, struct drm_atomic_state *state);void drm_atomic_state_default_clear(struct drm_atomic_state *state);void drm_atomic_state_default_release(struct drm_atomic_state *state); struct drm_crtc_state * __must_checkdrm_atomic_get_crtc_state(struct drm_atomic_state *state,			  struct drm_crtc *crtc);int drm_atomic_crtc_set_property(struct drm_crtc *crtc,		struct drm_crtc_state *state, struct drm_property *property,		uint64_t val);struct drm_plane_state * __must_checkdrm_atomic_get_plane_state(struct drm_atomic_state *state,			   struct drm_plane *plane);int drm_atomic_plane_set_property(struct drm_plane *plane,		struct drm_plane_state *state, struct drm_property *property,		uint64_t val);struct drm_connector_state * __must_checkdrm_atomic_get_connector_state(struct drm_atomic_state *state,			       struct drm_connector *connector);int drm_atomic_connector_set_property(struct drm_connector *connector,		struct drm_connector_state *state, struct drm_property *property,		uint64_t val); /** * drm_atomic_get_existing_crtc_state - get crtc state, if it exists * @state: global atomic state object * @crtc: crtc to grab * * This function returns the crtc state for the given crtc, or NULL * if the crtc is not part of the global atomic state. */static inline struct drm_crtc_state *drm_atomic_get_existing_crtc_state(struct drm_atomic_state *state,				   struct drm_crtc *crtc){	return state->crtc_states[drm_crtc_index(crtc)];} /** * drm_atomic_get_existing_plane_state - get plane state, if it exists * @state: global atomic state object * @plane: plane to grab * * This function returns the plane state for the given plane, or NULL * if the plane is not part of the global atomic state. */static inline struct drm_plane_state *drm_atomic_get_existing_plane_state(struct drm_atomic_state *state,				    struct drm_plane *plane){	return state->plane_states[drm_plane_index(plane)];} /** * drm_atomic_get_existing_connector_state - get connector state, if it exists * @state: global atomic state object * @connector: connector to grab * * This function returns the connector state for the given connector, * or NULL if the connector is not part of the global atomic state. */static inline struct drm_connector_state *drm_atomic_get_existing_connector_state(struct drm_atomic_state *state,					struct drm_connector *connector){	int index = drm_connector_index(connector); 	if (index >= state->num_connector)		return NULL; 	return state->connector_states[index];} int __must_checkdrm_atomic_set_mode_for_crtc(struct drm_crtc_state *state,			     struct drm_display_mode *mode);int __must_checkdrm_atomic_set_mode_prop_for_crtc(struct drm_crtc_state *state,				  struct drm_property_blob *blob);int __must_checkdrm_atomic_set_crtc_for_plane(struct drm_plane_state *plane_state,			      struct drm_crtc *crtc);void drm_atomic_set_fb_for_plane(struct drm_plane_state *plane_state,				 struct drm_framebuffer *fb);int __must_checkdrm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state,				  struct drm_crtc *crtc);int __must_checkdrm_atomic_add_affected_connectors(struct drm_atomic_state *state,				   struct drm_crtc *crtc);int __must_checkdrm_atomic_add_affected_planes(struct drm_atomic_state *state,			       struct drm_crtc *crtc); intdrm_atomic_connectors_for_crtc(struct drm_atomic_state *state,			       struct drm_crtc *crtc); void drm_atomic_legacy_backoff(struct drm_atomic_state *state); int __must_check drm_atomic_check_only(struct drm_atomic_state *state);int __must_check drm_atomic_commit(struct drm_atomic_state *state);int __must_check drm_atomic_async_commit(struct drm_atomic_state *state); #define for_each_connector_in_state(state, connector, connector_state, __i) \	for ((__i) = 0;							\	     (__i) < (state)->num_connector &&				\	     ((connector) = (state)->connectors[__i],			\	     (connector_state) = (state)->connector_states[__i], 1); 	\	     (__i)++)							\		if (connector) #define for_each_crtc_in_state(state, crtc, crtc_state, __i)	\	for ((__i) = 0;						\	     (__i) < (state)->dev->mode_config.num_crtc &&	\	     ((crtc) = (state)->crtcs[__i],			\	     (crtc_state) = (state)->crtc_states[__i], 1);	\	     (__i)++)						\		if (crtc_state) #define for_each_plane_in_state(state, plane, plane_state, __i)		\	for ((__i) = 0;							\	     (__i) < (state)->dev->mode_config.num_total_plane &&	\	     ((plane) = (state)->planes[__i],				\	     (plane_state) = (state)->plane_states[__i], 1);		\	     (__i)++)							\		if (plane_state)static inline booldrm_atomic_crtc_needs_modeset(struct drm_crtc_state *state){	return state->mode_changed || state->active_changed;}  #endif /* DRM_ATOMIC_H_ */