gpu/drm/drm_atomic_state_helper.c

422  * __drm_atomic_helper_connector_state_reset - reset the connector state
423  * @conn_state: atomic connector state, must not be NULL
424  * @connector: connectotr object, must not be NULL
427  * values. This is useful for drivers that subclass the connector state.
431 					  struct drm_connector *connector)
433 	conn_state->connector = connector;
438  * __drm_atomic_helper_connector_reset - reset state on connector
439  * @connector: drm connector
440  * @conn_state: connector state to assign
443  * the &drm_connector->state pointer of @connector, usually required when
447  * This is useful for drivers that subclass the connector state.
450 __drm_atomic_helper_connector_reset(struct drm_connector *connector,
454 		__drm_atomic_helper_connector_state_reset(conn_state, connector);
456 	connector->state = conn_state;
462  * @connector: drm connector
464  * Resets the atomic state for @connector by freeing the state pointer (which
468 void drm_atomic_helper_connector_reset(struct drm_connector *connector)
473 	if (connector->state)
474 		__drm_atomic_helper_connector_destroy_state(connector->state);
476 	kfree(connector->state);
477 	__drm_atomic_helper_connector_reset(connector, conn_state);
482  * drm_atomic_helper_connector_tv_margins_reset - Resets TV connector properties
483  * @connector: DRM connector
485  * Resets the TV-related properties attached to a connector.
487 void drm_atomic_helper_connector_tv_margins_reset(struct drm_connector *connector)
489 	struct drm_cmdline_mode *cmdline = &connector->cmdline_mode;
490 	struct drm_connector_state *state = connector->state;
500  * drm_atomic_helper_connector_tv_reset - Resets Analog TV connector properties
501  * @connector: DRM connector
503  * Resets the analog TV properties attached to a connector
505 void drm_atomic_helper_connector_tv_reset(struct drm_connector *connector)
507 	struct drm_device *dev = connector->dev;
508 	struct drm_cmdline_mode *cmdline = &connector->cmdline_mode;
509 	struct drm_connector_state *state = connector->state;
515 		if (!drm_object_property_get_default_value(&connector->base,
524 		if (!drm_object_property_get_default_value(&connector->base,
530 		if (!drm_object_property_get_default_value(&connector->base,
536 		if (!drm_object_property_get_default_value(&connector->base,
542 		if (!drm_object_property_get_default_value(&connector->base,
548 		if (!drm_object_property_get_default_value(&connector->base,
554 		if (!drm_object_property_get_default_value(&connector->base,
560 		if (!drm_object_property_get_default_value(&connector->base,
566 		if (!drm_object_property_get_default_value(&connector->base,
570 	drm_atomic_helper_connector_tv_margins_reset(connector);
575  * drm_atomic_helper_connector_tv_check - Validate an analog TV connector state
576  * @connector: DRM Connector
580  * analog TV connector.
585 int drm_atomic_helper_connector_tv_check(struct drm_connector *connector,
589 		drm_atomic_get_old_connector_state(state, connector);
591 		drm_atomic_get_new_connector_state(state, connector);
624  * __drm_atomic_helper_connector_duplicate_state - copy atomic connector state
625  * @connector: connector object
626  * @state: atomic connector state
628  * Copies atomic state from a connector's current state. This is useful for
629  * drivers that subclass the connector state.
632 __drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector,
635 	memcpy(state, connector->state, sizeof(*state));
637 		drm_connector_get(connector);
650  * @connector: drm connector
652  * Default connector state duplicate hook for drivers which don't have their own
653  * subclassed connector state structure.
656 drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector)
660 	if (WARN_ON(!connector->state))
665 		__drm_atomic_helper_connector_duplicate_state(connector, state);
672  * __drm_atomic_helper_connector_destroy_state - release connector state
673  * @state: connector state object to release
675  * Releases all resources stored in the connector state without actually
676  * freeing the memory of the connector state. This is useful for drivers that
677  * subclass the connector state.
683 		drm_connector_put(state->connector);
697  * @connector: drm connector
698  * @state: connector state object to release
700  * Default connector state destroy hook for drivers which don't have their own
701  * subclassed connector state structure.
703 void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector,