diff options
Diffstat (limited to 'include/drm/drm_atomic.h')
| -rw-r--r-- | include/drm/drm_atomic.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h index 51168a8b723a..d78543067700 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -54,6 +54,56 @@ 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_crtc_for_plane(struct drm_plane_state *plane_state, struct drm_crtc *crtc); @@ -75,4 +125,28 @@ 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; \ + (connector) = (state)->connectors[__i], \ + (connector_state) = (state)->connector_states[__i], \ + (__i) < (state)->num_connector; \ + (__i)++) \ + if (connector) + +#define for_each_crtc_in_state(state, crtc, crtc_state, __i) \ + for ((__i) = 0; \ + (crtc) = (state)->crtcs[__i], \ + (crtc_state) = (state)->crtc_states[__i], \ + (__i) < (state)->dev->mode_config.num_crtc; \ + (__i)++) \ + if (crtc_state) + +#define for_each_plane_in_state(state, plane, plane_state, __i) \ + for ((__i) = 0; \ + (plane) = (state)->planes[__i], \ + (plane_state) = (state)->plane_states[__i], \ + (__i) < (state)->dev->mode_config.num_total_plane; \ + (__i)++) \ + if (plane_state) + #endif /* DRM_ATOMIC_H_ */ |