diff options
Diffstat (limited to 'include/drm/drm_atomic.h')
| -rw-r--r-- | include/drm/drm_atomic.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h new file mode 100644 index 000000000000..4b74c97d297a --- /dev/null +++ b/include/drm/drm_atomic.h @@ -0,0 +1,177 @@ +/* + * 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_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); + +void +drm_atomic_clean_old_fb(struct drm_device *dev, unsigned plane_mask, int ret); + +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 || + state->connectors_changed; +} + + +#endif /* DRM_ATOMIC_H_ */ |