gpu/drm/drm_crtc_helper.c

101  * in use by any connector. This doesn't mean that it is actually enabled since
109 	struct drm_connector *connector;
126 	drm_for_each_connector_iter(connector, &conn_iter) {
127 		if (connector->encoder == encoder) {
142  * in use by any connector. This doesn't mean that it is actually enabled since
193 			/* disconnect encoder from any connector */
325 	 * adjust it according to limitations or connector properties, and also
465 	struct drm_connector *connector;
476 		drm_for_each_connector_iter(connector, &conn_iter) {
477 			if (connector->encoder != encoder)
480 			connector->encoder = NULL;
485 			 * from the connector above, the required connection
488 			connector->dpms = DRM_MODE_DPMS_OFF;
491 			drm_connector_put(connector);
504 drm_connector_get_single_encoder(struct drm_connector *connector)
508 	drm_WARN_ON(connector->dev, hweight32(connector->possible_encoders) > 1);
509 	drm_connector_for_each_possible_encoder(connector, encoder)
524  * It first tries to locate the best encoder for each connector by calling the
525  * connector @drm_connector_helper_funcs.best_encoder helper operation.
561 	struct drm_connector *connector;
604 	 * connector data.
630 	drm_for_each_connector_iter(connector, &conn_iter)
631 		save_connector_encoders[count++] = connector->encoder;
674 	/* a) traverse passed in connector list and get encoders for them */
677 	drm_for_each_connector_iter(connector, &conn_iter) {
679 			connector->helper_private;
680 		new_encoder = connector->encoder;
682 			if (set->connectors[ro] == connector) {
684 					new_encoder = connector_funcs->best_encoder(connector);
686 					new_encoder = drm_connector_get_single_encoder(connector);
688 				/* if we can't get an encoder for a connector
694 				if (connector->dpms != DRM_MODE_DPMS_ON) {
696 						    connector->base.id, connector->name);
704 		if (new_encoder != connector->encoder) {
706 				    connector->base.id, connector->name);
708 			/* If the encoder is reused for another connector, then
711 			if (connector->encoder)
712 				connector->encoder->crtc = NULL;
713 			connector->encoder = new_encoder;
725 	drm_for_each_connector_iter(connector, &conn_iter) {
726 		if (!connector->encoder)
729 		if (connector->encoder->crtc == set->crtc)
732 			new_crtc = connector->encoder->crtc;
735 			if (set->connectors[ro] == connector)
741 		    !drm_encoder_crtc_ok(connector->encoder, new_crtc)) {
746 		if (new_crtc != connector->encoder->crtc) {
748 				    connector->base.id, connector->name);
750 			connector->encoder->crtc = new_crtc;
754 				    connector->base.id, connector->name,
758 				    connector->base.id, connector->name);
781 			drm_dbg_kms(dev, "[CRTC:%d:%s] Setting connector DPMS state to on\n",
817 	drm_for_each_connector_iter(connector, &conn_iter)
818 		connector->encoder = save_connector_encoders[count++];
845 	struct drm_connector *connector;
850 	drm_for_each_connector_iter(connector, &conn_iter)
851 		if (connector->encoder == encoder)
852 			if (connector->dpms < dpms)
853 				dpms = connector->dpms;
875 	struct drm_connector *connector;
880 	drm_for_each_connector_iter(connector, &conn_iter)
881 		if (connector->encoder && connector->encoder->crtc == crtc)
882 			if (connector->dpms < dpms)
883 				dpms = connector->dpms;
890  * drm_helper_connector_dpms() - connector dpms helper implementation
891  * @connector: affected connector
899  * implementing the DPMS connector attribute. It computes the new desired DPMS
910 int drm_helper_connector_dpms(struct drm_connector *connector, int mode)
912 	struct drm_encoder *encoder = connector->encoder;
916 	drm_WARN_ON(connector->dev, drm_drv_uses_atomic_modeset(connector->dev));
918 	if (mode == connector->dpms)
921 	old_dpms = connector->dpms;
922 	connector->dpms = mode;