/* * 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 * Daniel Vetter */ #ifndef DRM_ATOMIC_H_ #define DRM_ATOMIC_H_ #include struct drm_atomic_state * __must_check drm_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_check drm_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_check drm_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_check drm_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_check drm_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_check drm_atomic_set_mode_for_crtc(struct drm_crtc_state *state, struct drm_display_mode *mode); int __must_check drm_atomic_set_mode_prop_for_crtc(struct drm_crtc_state *state, struct drm_property_blob *blob); int __must_check drm_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_check drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state, struct drm_crtc *crtc); int __must_check drm_atomic_add_affected_connectors(struct drm_atomic_state *state, struct drm_crtc *crtc); int __must_check drm_atomic_add_affected_planes(struct drm_atomic_state *state, struct drm_crtc *crtc); int drm_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 bool drm_atomic_crtc_needs_modeset(struct drm_crtc_state *state) { return state->mode_changed || state->active_changed; } #endif /* DRM_ATOMIC_H_ */