42  * 						connector list
45  * Some userspace presumes that the first connected connector is the main
48  * (eDP/LVDS) panels to the front of the connector list, instead of
53 	struct drm_connector *connector, *tmp;  in drm_helper_move_panel_connectors_to_head()  local
58 	list_for_each_entry_safe(connector, tmp,  in drm_helper_move_panel_connectors_to_head()
60 		if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS ||  in drm_helper_move_panel_connectors_to_head()
61 		    connector->connector_type == DRM_MODE_CONNECTOR_eDP)  in drm_helper_move_panel_connectors_to_head()
62 			list_move_tail(&connector->head, &panel_list);  in drm_helper_move_panel_connectors_to_head()
72 static void drm_mode_validate_flag(struct drm_connector *connector,  in drm_mode_validate_flag()  argument
80 	list_for_each_entry(mode, &connector->modes, head) {  in drm_mode_validate_flag()
94  * @connector: connector to probe
101  * Based on the helper callbacks implemented by @connector try to detect all
102  * valid modes.  Modes will first be added to the connector's probed_modes list,
106  * Intended to be use as a generic implementation of the ->probe() @connector
111  * Number of modes found on @connector.
113 int drm_helper_probe_single_connector_modes(struct drm_connector *connector,  in drm_helper_probe_single_connector_modes()  argument
116 	struct drm_device *dev = connector->dev;  in drm_helper_probe_single_connector_modes()
119 		connector->helper_private;  in drm_helper_probe_single_connector_modes()
123 	DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", connector->base.id,  in drm_helper_probe_single_connector_modes()
124 			drm_get_connector_name(connector));  in drm_helper_probe_single_connector_modes()
126 	list_for_each_entry(mode, &connector->modes, head)  in drm_helper_probe_single_connector_modes()
129 	if (connector->force) {  in drm_helper_probe_single_connector_modes()
130 		if (connector->force == DRM_FORCE_ON)  in drm_helper_probe_single_connector_modes()
131 			connector->status = connector_status_connected;  in drm_helper_probe_single_connector_modes()
133 			connector->status = connector_status_disconnected;  in drm_helper_probe_single_connector_modes()
134 		if (connector->funcs->force)  in drm_helper_probe_single_connector_modes()
135 			connector->funcs->force(connector);  in drm_helper_probe_single_connector_modes()
137 		connector->status = connector->funcs->detect(connector, true);  in drm_helper_probe_single_connector_modes()
146 	if (connector->status == connector_status_disconnected) {  in drm_helper_probe_single_connector_modes()
147 		DRM_DEBUG_KMS("[CONNECTOR:%d:%s] disconnected\n",  in drm_helper_probe_single_connector_modes()
148 			connector->base.id, drm_get_connector_name(connector));  in drm_helper_probe_single_connector_modes()
149 		drm_mode_connector_update_edid_property(connector, NULL);  in drm_helper_probe_single_connector_modes()
155 	count = drm_load_edid_firmware(connector);  in drm_helper_probe_single_connector_modes()
159 		count = (*connector_funcs->get_modes)(connector);  in drm_helper_probe_single_connector_modes()
161 	if (count == 0 && connector->status == connector_status_connected)  in drm_helper_probe_single_connector_modes()
162 		count = drm_add_modes_noedid(connector, 1024, 768);  in drm_helper_probe_single_connector_modes()
166 	drm_mode_connector_list_update(connector);  in drm_helper_probe_single_connector_modes()
169 		drm_mode_validate_size(dev, &connector->modes, maxX,  in drm_helper_probe_single_connector_modes()
172 	if (connector->interlace_allowed)  in drm_helper_probe_single_connector_modes()
174 	if (connector->doublescan_allowed)  in drm_helper_probe_single_connector_modes()
176 	drm_mode_validate_flag(connector, mode_flags);  in drm_helper_probe_single_connector_modes()
178 	list_for_each_entry(mode, &connector->modes, head) {  in drm_helper_probe_single_connector_modes()
180 			mode->status = connector_funcs->mode_valid(connector,  in drm_helper_probe_single_connector_modes()
185 	drm_mode_prune_invalid(dev, &connector->modes, true);  in drm_helper_probe_single_connector_modes()
187 	if (list_empty(&connector->modes))  in drm_helper_probe_single_connector_modes()
190 	list_for_each_entry(mode, &connector->modes, head)  in drm_helper_probe_single_connector_modes()
193 	drm_mode_sort(&connector->modes);  in drm_helper_probe_single_connector_modes()
195 	DRM_DEBUG_KMS("[CONNECTOR:%d:%s] probed modes :\n", connector->base.id,  in drm_helper_probe_single_connector_modes()
196 			drm_get_connector_name(connector));  in drm_helper_probe_single_connector_modes()
197 	list_for_each_entry(mode, &connector->modes, head) {  in drm_helper_probe_single_connector_modes()
220 	struct drm_connector *connector;  in drm_helper_encoder_in_use()  local
222 	list_for_each_entry(connector, &dev->mode_config.connector_list, head)  in drm_helper_encoder_in_use()
223 		if (connector->encoder == encoder)  in drm_helper_encoder_in_use()
271  * If an connector or CRTC isn't part of @dev's mode_config, it can be disabled
277 	struct drm_connector *connector;  in drm_helper_disable_unused_functions()  local
280 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {  in drm_helper_disable_unused_functions()
281 		if (!connector->encoder)  in drm_helper_disable_unused_functions()
283 		if (connector->status == connector_status_disconnected)  in drm_helper_disable_unused_functions()
284 			connector->encoder = NULL;  in drm_helper_disable_unused_functions()
290 			/* disconnector encoder from any connector */  in drm_helper_disable_unused_functions()
419 	 * adjust it according to limitations or connector properties, and also  in drm_crtc_helper_set_mode()
514 	struct drm_connector *connector;  in drm_crtc_helper_disable()  local
522 		list_for_each_entry(connector, &dev->mode_config.connector_list, head) {  in drm_crtc_helper_disable()
523 			if (connector->encoder != encoder)  in drm_crtc_helper_disable()
526 			connector->encoder = NULL;  in drm_crtc_helper_disable()
558 	struct drm_connector *save_connectors, *connector;  in drm_crtc_helper_set_config()  local
593 	 * connector data. */  in drm_crtc_helper_set_config()
629 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {  in drm_crtc_helper_set_config()
630 		save_connectors[count++] = *connector;  in drm_crtc_helper_set_config()
667 	/* a) traverse passed in connector list and get encoders for them */  in drm_crtc_helper_set_config()
669 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {  in drm_crtc_helper_set_config()
671 			connector->helper_private;  in drm_crtc_helper_set_config()
672 		new_encoder = connector->encoder;  in drm_crtc_helper_set_config()
674 			if (set->connectors[ro] == connector) {  in drm_crtc_helper_set_config()
675 				new_encoder = connector_funcs->best_encoder(connector);  in drm_crtc_helper_set_config()
676 				/* if we can't get an encoder for a connector  in drm_crtc_helper_set_config()
685 		if (new_encoder != connector->encoder) {  in drm_crtc_helper_set_config()
688 			/* If the encoder is reused for another connector, then  in drm_crtc_helper_set_config()
691 			if (connector->encoder)  in drm_crtc_helper_set_config()
692 				connector->encoder->crtc = NULL;  in drm_crtc_helper_set_config()
693 			connector->encoder = new_encoder;  in drm_crtc_helper_set_config()
703 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {  in drm_crtc_helper_set_config()
704 		if (!connector->encoder)  in drm_crtc_helper_set_config()
707 		if (connector->encoder->crtc == set->crtc)  in drm_crtc_helper_set_config()
710 			new_crtc = connector->encoder->crtc;  in drm_crtc_helper_set_config()
713 			if (set->connectors[ro] == connector)  in drm_crtc_helper_set_config()
719 		    !drm_encoder_crtc_ok(connector->encoder, new_crtc)) {  in drm_crtc_helper_set_config()
723 		if (new_crtc != connector->encoder->crtc) {  in drm_crtc_helper_set_config()
726 			connector->encoder->crtc = new_crtc;  in drm_crtc_helper_set_config()
729 			DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [CRTC:%d]\n",  in drm_crtc_helper_set_config()
730 				connector->base.id, drm_get_connector_name(connector),  in drm_crtc_helper_set_config()
733 			DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [NOCRTC]\n",  in drm_crtc_helper_set_config()
734 				connector->base.id, drm_get_connector_name(connector));  in drm_crtc_helper_set_config()
759 			DRM_DEBUG_KMS("Setting connector DPMS state to on\n");  in drm_crtc_helper_set_config()
761 				DRM_DEBUG_KMS("\t[CONNECTOR:%d:%s] set DPMS on\n", set->connectors[i]->base.id,  in drm_crtc_helper_set_config()
800 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {  in drm_crtc_helper_set_config()
801 		*connector = save_connectors[count++];  in drm_crtc_helper_set_config()
820 	struct drm_connector *connector;  in drm_helper_choose_encoder_dpms()  local
823 	list_for_each_entry(connector, &dev->mode_config.connector_list, head)  in drm_helper_choose_encoder_dpms()
824 		if (connector->encoder == encoder)  in drm_helper_choose_encoder_dpms()
825 			if (connector->dpms < dpms)  in drm_helper_choose_encoder_dpms()
826 				dpms = connector->dpms;  in drm_helper_choose_encoder_dpms()
833 	struct drm_connector *connector;  in drm_helper_choose_crtc_dpms()  local
836 	list_for_each_entry(connector, &dev->mode_config.connector_list, head)  in drm_helper_choose_crtc_dpms()
837 		if (connector->encoder && connector->encoder->crtc == crtc)  in drm_helper_choose_crtc_dpms()
838 			if (connector->dpms < dpms)  in drm_helper_choose_crtc_dpms()
839 				dpms = connector->dpms;  in drm_helper_choose_crtc_dpms()
844  * drm_helper_connector_dpms() - connector dpms helper implementation
845  * @connector: affected connector
849  * implementing the DPMS connector attribute. It computes the new desired DPMS
853 void drm_helper_connector_dpms(struct drm_connector *connector, int mode)  in drm_helper_connector_dpms()  argument
855 	struct drm_encoder *encoder = connector->encoder;  in drm_helper_connector_dpms()
859 	if (mode == connector->dpms)  in drm_helper_connector_dpms()
862 	old_dpms = connector->dpms;  in drm_helper_connector_dpms()
863 	connector->dpms = mode;  in drm_helper_connector_dpms()
979 	struct drm_connector *connector;  in output_poll_execute()  local
987 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {  in output_poll_execute()
990 		if (connector->force)  in output_poll_execute()
995 		if (!connector->polled || connector->polled == DRM_CONNECTOR_POLL_HPD)  in output_poll_execute()
1000 		old_status = connector->status;  in output_poll_execute()
1004 		    !(connector->polled & DRM_CONNECTOR_POLL_DISCONNECT))  in output_poll_execute()
1007 		connector->status = connector->funcs->detect(connector, false);  in output_poll_execute()
1008 		DRM_DEBUG_KMS("[CONNECTOR:%d:%s] status updated from %d to %d\n",  in output_poll_execute()
1009 			      connector->base.id,  in output_poll_execute()
1010 			      drm_get_connector_name(connector),  in output_poll_execute()
1011 			      old_status, connector->status);  in output_poll_execute()
1012 		if (old_status != connector->status)  in output_poll_execute()
1039 	struct drm_connector *connector;  in drm_kms_helper_poll_enable()  local
1044 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {  in drm_kms_helper_poll_enable()
1045 		if (connector->polled & (DRM_CONNECTOR_POLL_CONNECT |  in drm_kms_helper_poll_enable()
1074 	struct drm_connector *connector;  in drm_helper_hpd_irq_event()  local
1082 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {  in drm_helper_hpd_irq_event()
1085 		if (!(connector->polled & DRM_CONNECTOR_POLL_HPD))  in drm_helper_hpd_irq_event()
1088 		old_status = connector->status;  in drm_helper_hpd_irq_event()
1090 		connector->status = connector->funcs->detect(connector, false);  in drm_helper_hpd_irq_event()
1091 		DRM_DEBUG_KMS("[CONNECTOR:%d:%s] status updated from %d to %d\n",  in drm_helper_hpd_irq_event()
1092 			      connector->base.id,  in drm_helper_hpd_irq_event()
1093 			      drm_get_connector_name(connector),  in drm_helper_hpd_irq_event()
1094 			      old_status, connector->status);  in drm_helper_hpd_irq_event()
1095 		if (old_status != connector->status)  in drm_helper_hpd_irq_event()