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5270 serge 1 
/*
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 * Copyright (C) 2014 Red Hat
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 * Copyright (C) 2014 Intel Corp.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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 * OTHER DEALINGS IN THE SOFTWARE.
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 *
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 * Authors:
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 * Rob Clark
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 * Daniel Vetter
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 */
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#ifndef DRM_ATOMIC_H_
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#define DRM_ATOMIC_H_
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#include
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struct drm_atomic_state * __must_check
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drm_atomic_state_alloc(struct drm_device *dev);
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void drm_atomic_state_clear(struct drm_atomic_state *state);
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void drm_atomic_state_free(struct drm_atomic_state *state);
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6082 serge 38 
int  __must_check
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drm_atomic_state_init(struct drm_device *dev, struct drm_atomic_state *state);
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void drm_atomic_state_default_clear(struct drm_atomic_state *state);
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void drm_atomic_state_default_release(struct drm_atomic_state *state);
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5270 serge 43 
struct drm_crtc_state * __must_check
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drm_atomic_get_crtc_state(struct drm_atomic_state *state,
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			  struct drm_crtc *crtc);
6082 serge 46 
int drm_atomic_crtc_set_property(struct drm_crtc *crtc,
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		struct drm_crtc_state *state, struct drm_property *property,
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		uint64_t val);
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struct drm_plane_state * __must_check
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drm_atomic_get_plane_state(struct drm_atomic_state *state,
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			   struct drm_plane *plane);
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int drm_atomic_plane_set_property(struct drm_plane *plane,
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		struct drm_plane_state *state, struct drm_property *property,
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		uint64_t val);
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struct drm_connector_state * __must_check
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drm_atomic_get_connector_state(struct drm_atomic_state *state,
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			       struct drm_connector *connector);
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int drm_atomic_connector_set_property(struct drm_connector *connector,
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		struct drm_connector_state *state, struct drm_property *property,
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		uint64_t val);
5270 serge 61 
 
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/**
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 * drm_atomic_get_existing_crtc_state - get crtc state, if it exists
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 * @state: global atomic state object
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 * @crtc: crtc to grab
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 *
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 * This function returns the crtc state for the given crtc, or NULL
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 * if the crtc is not part of the global atomic state.
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 */
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static inline struct drm_crtc_state *
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drm_atomic_get_existing_crtc_state(struct drm_atomic_state *state,
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				   struct drm_crtc *crtc)
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{
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	return state->crtc_states[drm_crtc_index(crtc)];
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}
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/**
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 * drm_atomic_get_existing_plane_state - get plane state, if it exists
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 * @state: global atomic state object
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 * @plane: plane to grab
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 *
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 * This function returns the plane state for the given plane, or NULL
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 * if the plane is not part of the global atomic state.
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 */
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static inline struct drm_plane_state *
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drm_atomic_get_existing_plane_state(struct drm_atomic_state *state,
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				    struct drm_plane *plane)
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{
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	return state->plane_states[drm_plane_index(plane)];
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}
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/**
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 * drm_atomic_get_existing_connector_state - get connector state, if it exists
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 * @state: global atomic state object
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 * @connector: connector to grab
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 *
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 * This function returns the connector state for the given connector,
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 * or NULL if the connector is not part of the global atomic state.
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 */
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static inline struct drm_connector_state *
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drm_atomic_get_existing_connector_state(struct drm_atomic_state *state,
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					struct drm_connector *connector)
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{
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	int index = drm_connector_index(connector);
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	if (index >= state->num_connector)
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		return NULL;
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	return state->connector_states[index];
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}
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int __must_check
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drm_atomic_set_mode_for_crtc(struct drm_crtc_state *state,
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			     struct drm_display_mode *mode);
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int __must_check
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drm_atomic_set_mode_prop_for_crtc(struct drm_crtc_state *state,
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				  struct drm_property_blob *blob);
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int __must_check
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drm_atomic_set_crtc_for_plane(struct drm_plane_state *plane_state,
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			      struct drm_crtc *crtc);
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void drm_atomic_set_fb_for_plane(struct drm_plane_state *plane_state,
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				 struct drm_framebuffer *fb);
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int __must_check
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drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state,
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				  struct drm_crtc *crtc);
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int __must_check
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drm_atomic_add_affected_connectors(struct drm_atomic_state *state,
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				   struct drm_crtc *crtc);
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int __must_check
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drm_atomic_add_affected_planes(struct drm_atomic_state *state,
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			       struct drm_crtc *crtc);
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void drm_atomic_legacy_backoff(struct drm_atomic_state *state);
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void
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drm_atomic_clean_old_fb(struct drm_device *dev, unsigned plane_mask, int ret);
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int __must_check drm_atomic_check_only(struct drm_atomic_state *state);
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int __must_check drm_atomic_commit(struct drm_atomic_state *state);
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int __must_check drm_atomic_async_commit(struct drm_atomic_state *state);
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#define for_each_connector_in_state(state, connector, connector_state, __i) \
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	for ((__i) = 0;							\
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	     (__i) < (state)->num_connector &&				\
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	     ((connector) = (state)->connectors[__i],			\
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	     (connector_state) = (state)->connector_states[__i], 1); 	\
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	     (__i)++)							\
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		for_each_if (connector)
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#define for_each_crtc_in_state(state, crtc, crtc_state, __i)	\
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	for ((__i) = 0;						\
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	     (__i) < (state)->dev->mode_config.num_crtc &&	\
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	     ((crtc) = (state)->crtcs[__i],			\
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	     (crtc_state) = (state)->crtc_states[__i], 1);	\
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	     (__i)++)						\
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		for_each_if (crtc_state)
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#define for_each_plane_in_state(state, plane, plane_state, __i)		\
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	for ((__i) = 0;							\
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	     (__i) < (state)->dev->mode_config.num_total_plane &&	\
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	     ((plane) = (state)->planes[__i],				\
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	     (plane_state) = (state)->plane_states[__i], 1);		\
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	     (__i)++)							\
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		for_each_if (plane_state)
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static inline bool
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drm_atomic_crtc_needs_modeset(struct drm_crtc_state *state)
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{
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	return state->mode_changed || state->active_changed ||
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	       state->connectors_changed;
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}
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5270 serge 173 
#endif /* DRM_ATOMIC_H_ */