2  * Copyright (c) 2006-2008 Intel Corporation
41  * drm_helper_move_panel_connectors_to_head() - move panels to the front in the
59 				 &dev->mode_config.connector_list, head) {  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()
65 	list_splice(&panel_list, &dev->mode_config.connector_list);  in drm_helper_move_panel_connectors_to_head()
80 	list_for_each_entry(mode, &connector->modes, head) {  in drm_mode_validate_flag()
81 		if ((mode->flags & DRM_MODE_FLAG_INTERLACE) &&  in drm_mode_validate_flag()
83 			mode->status = MODE_NO_INTERLACE;  in drm_mode_validate_flag()
84 		if ((mode->flags & DRM_MODE_FLAG_DBLSCAN) &&  in drm_mode_validate_flag()
86 			mode->status = MODE_NO_DBLESCAN;  in drm_mode_validate_flag()
93  * drm_helper_probe_single_connector_modes - get complete set of display modes
106  * Intended to be use as a generic implementation of the ->probe() @connector
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()
126 	list_for_each_entry(mode, &connector->modes, head)  in drm_helper_probe_single_connector_modes()
127 		mode->status = MODE_UNVERIFIED;  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()
140 	/* Re-enable polling in case the global poll config changed. */  in drm_helper_probe_single_connector_modes()
141 	if (drm_kms_helper_poll != dev->mode_config.poll_running)  in drm_helper_probe_single_connector_modes()
144 	dev->mode_config.poll_running = drm_kms_helper_poll;  in drm_helper_probe_single_connector_modes()
146 	if (connector->status == connector_status_disconnected) {  in drm_helper_probe_single_connector_modes()
148 			connector->base.id, drm_get_connector_name(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()
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()
178 	list_for_each_entry(mode, &connector->modes, head) {  in drm_helper_probe_single_connector_modes()
179 		if (mode->status == MODE_OK)  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()
191 		mode->vrefresh = drm_mode_vrefresh(mode);  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()
197 	list_for_each_entry(mode, &connector->modes, head) {  in drm_helper_probe_single_connector_modes()
207  * drm_helper_encoder_in_use - check if a given encoder is in use
221 	struct drm_device *dev = encoder->dev;  in drm_helper_encoder_in_use()
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()
230  * drm_helper_crtc_in_use - check if a given CRTC is in a mode_config
244 	struct drm_device *dev = crtc->dev;  in drm_helper_crtc_in_use()
246 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)  in drm_helper_crtc_in_use()
247 		if (encoder->crtc == crtc && drm_helper_encoder_in_use(encoder))  in drm_helper_crtc_in_use()
256 	struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;  in drm_encoder_disable()
258 	if (encoder_funcs->disable)  in drm_encoder_disable()
259 		(*encoder_funcs->disable)(encoder);  in drm_encoder_disable()
261 		(*encoder_funcs->dpms)(encoder, DRM_MODE_DPMS_OFF);  in drm_encoder_disable()
265  * drm_helper_disable_unused_functions - disable unused objects
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()
287 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {  in drm_helper_disable_unused_functions()
291 			encoder->crtc = NULL;  in drm_helper_disable_unused_functions()
295 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {  in drm_helper_disable_unused_functions()
296 		struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;  in drm_helper_disable_unused_functions()
297 		crtc->enabled = drm_helper_crtc_in_use(crtc);  in drm_helper_disable_unused_functions()
298 		if (!crtc->enabled) {  in drm_helper_disable_unused_functions()
299 			if (crtc_funcs->disable)  in drm_helper_disable_unused_functions()
300 				(*crtc_funcs->disable)(crtc);  in drm_helper_disable_unused_functions()
302 				(*crtc_funcs->dpms)(crtc, DRM_MODE_DPMS_OFF);  in drm_helper_disable_unused_functions()
303 			crtc->fb = NULL;  in drm_helper_disable_unused_functions()
310  * drm_encoder_crtc_ok - can a given crtc drive a given encoder?
326 	dev = crtc->dev;  in drm_encoder_crtc_ok()
328 	list_for_each_entry(tmp, &dev->mode_config.crtc_list, head) {  in drm_encoder_crtc_ok()
334 	if (encoder->possible_crtcs & crtc_mask)  in drm_encoder_crtc_ok()
342  * since the driver will have to re-route things.
350 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {  in drm_crtc_prepare_encoders()
351 		encoder_funcs = encoder->helper_private;  in drm_crtc_prepare_encoders()
353 		if (encoder->crtc == NULL)  in drm_crtc_prepare_encoders()
356 		if (encoder_funcs->get_crtc &&  in drm_crtc_prepare_encoders()
357 		    encoder->crtc != (*encoder_funcs->get_crtc)(encoder))  in drm_crtc_prepare_encoders()
363  * drm_crtc_helper_set_mode - internal helper to set a mode
366  * @x: horizontal offset into the surface
376  * entire output pipe to be disabled and re-enabled in a new configuration. For
390 	struct drm_device *dev = crtc->dev;  in drm_crtc_helper_set_mode()
392 	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;  in drm_crtc_helper_set_mode()
398 	crtc->enabled = drm_helper_crtc_in_use(crtc);  in drm_crtc_helper_set_mode()
399 	if (!crtc->enabled)  in drm_crtc_helper_set_mode()
406 	saved_hwmode = crtc->hwmode;  in drm_crtc_helper_set_mode()
407 	saved_mode = crtc->mode;  in drm_crtc_helper_set_mode()
408 	saved_x = crtc->x;  in drm_crtc_helper_set_mode()
409 	saved_y = crtc->y;  in drm_crtc_helper_set_mode()
414 	crtc->mode = *mode;  in drm_crtc_helper_set_mode()
415 	crtc->x = x;  in drm_crtc_helper_set_mode()
416 	crtc->y = y;  in drm_crtc_helper_set_mode()
422 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {  in drm_crtc_helper_set_mode()
424 		if (encoder->crtc != crtc)  in drm_crtc_helper_set_mode()
426 		encoder_funcs = encoder->helper_private;  in drm_crtc_helper_set_mode()
427 		if (!(ret = encoder_funcs->mode_fixup(encoder, mode,  in drm_crtc_helper_set_mode()
434 	if (!(ret = crtc_funcs->mode_fixup(crtc, mode, adjusted_mode))) {  in drm_crtc_helper_set_mode()
438 	DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);  in drm_crtc_helper_set_mode()
441 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {  in drm_crtc_helper_set_mode()
443 		if (encoder->crtc != crtc)  in drm_crtc_helper_set_mode()
445 		encoder_funcs = encoder->helper_private;  in drm_crtc_helper_set_mode()
447 		encoder_funcs->prepare(encoder);  in drm_crtc_helper_set_mode()
452 	crtc_funcs->prepare(crtc);  in drm_crtc_helper_set_mode()
457 	ret = !crtc_funcs->mode_set(crtc, mode, adjusted_mode, x, y, old_fb);  in drm_crtc_helper_set_mode()
461 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {  in drm_crtc_helper_set_mode()
463 		if (encoder->crtc != crtc)  in drm_crtc_helper_set_mode()
467 			encoder->base.id, drm_get_encoder_name(encoder),  in drm_crtc_helper_set_mode()
468 			mode->base.id, mode->name);  in drm_crtc_helper_set_mode()
469 		encoder_funcs = encoder->helper_private;  in drm_crtc_helper_set_mode()
470 		encoder_funcs->mode_set(encoder, mode, adjusted_mode);  in drm_crtc_helper_set_mode()
474 	crtc_funcs->commit(crtc);  in drm_crtc_helper_set_mode()
476 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {  in drm_crtc_helper_set_mode()
478 		if (encoder->crtc != crtc)  in drm_crtc_helper_set_mode()
481 		encoder_funcs = encoder->helper_private;  in drm_crtc_helper_set_mode()
482 		encoder_funcs->commit(encoder);  in drm_crtc_helper_set_mode()
486 	/* Store real post-adjustment hardware mode. */  in drm_crtc_helper_set_mode()
487 	crtc->hwmode = *adjusted_mode;  in drm_crtc_helper_set_mode()
490 	 * are later needed by vblank and swap-completion  in drm_crtc_helper_set_mode()
499 		crtc->hwmode = saved_hwmode;  in drm_crtc_helper_set_mode()
500 		crtc->mode = saved_mode;  in drm_crtc_helper_set_mode()
501 		crtc->x = saved_x;  in drm_crtc_helper_set_mode()
502 		crtc->y = saved_y;  in drm_crtc_helper_set_mode()
513 	struct drm_device *dev = crtc->dev;  in drm_crtc_helper_disable()
518 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {  in drm_crtc_helper_disable()
519 		if (encoder->crtc != crtc)  in drm_crtc_helper_disable()
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()
535  * drm_crtc_helper_set_config - set a new config from userspace
545  * ->prepare(), ->modeset() and ->commit() helper callbacks.
548  * Returns 0 on success, -ERRNO on failure.
557 	bool fb_changed = false; /* if true and !mode_changed just do a flip */  in drm_crtc_helper_set_config()
568 		return -EINVAL;  in drm_crtc_helper_set_config()
570 	if (!set->crtc)  in drm_crtc_helper_set_config()
571 		return -EINVAL;  in drm_crtc_helper_set_config()
573 	if (!set->crtc->helper_private)  in drm_crtc_helper_set_config()
574 		return -EINVAL;  in drm_crtc_helper_set_config()
576 	crtc_funcs = set->crtc->helper_private;  in drm_crtc_helper_set_config()
578 	if (!set->mode)  in drm_crtc_helper_set_config()
579 		set->fb = NULL;  in drm_crtc_helper_set_config()
581 	if (set->fb) {  in drm_crtc_helper_set_config()
583 				set->crtc->base.id, set->fb->base.id,  in drm_crtc_helper_set_config()
584 				(int)set->num_connectors, set->x, set->y);  in drm_crtc_helper_set_config()
586 		DRM_DEBUG_KMS("[CRTC:%d] [NOFB]\n", set->crtc->base.id);  in drm_crtc_helper_set_config()
587 		return drm_crtc_helper_disable(set->crtc);  in drm_crtc_helper_set_config()
590 	dev = set->crtc->dev;  in drm_crtc_helper_set_config()
592 	/* Allocate space for the backup of all (non-pointer) crtc, encoder and  in drm_crtc_helper_set_config()
594 	save_crtcs = malloc(dev->mode_config.num_crtc *  in drm_crtc_helper_set_config()
597 		return -ENOMEM;  in drm_crtc_helper_set_config()
599 	save_encoders = malloc(dev->mode_config.num_encoder *  in drm_crtc_helper_set_config()
603 		return -ENOMEM;  in drm_crtc_helper_set_config()
606 	save_connectors = malloc(dev->mode_config.num_connector *  in drm_crtc_helper_set_config()
611 		return -ENOMEM;  in drm_crtc_helper_set_config()
619 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {  in drm_crtc_helper_set_config()
624 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {  in drm_crtc_helper_set_config()
629 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {  in drm_crtc_helper_set_config()
633 	save_set.crtc = set->crtc;  in drm_crtc_helper_set_config()
634 	save_set.mode = &set->crtc->mode;  in drm_crtc_helper_set_config()
635 	save_set.x = set->crtc->x;  in drm_crtc_helper_set_config()
636 	save_set.y = set->crtc->y;  in drm_crtc_helper_set_config()
637 	save_set.fb = set->crtc->fb;  in drm_crtc_helper_set_config()
641 	if (set->crtc->fb != set->fb) {  in drm_crtc_helper_set_config()
643 		if (set->crtc->fb == NULL) {  in drm_crtc_helper_set_config()
646 		} else if (set->fb == NULL) {  in drm_crtc_helper_set_config()
648 		} else if (set->fb->depth != set->crtc->fb->depth) {  in drm_crtc_helper_set_config()
650 		} else if (set->fb->bits_per_pixel !=  in drm_crtc_helper_set_config()
651 			   set->crtc->fb->bits_per_pixel) {  in drm_crtc_helper_set_config()
657 	if (set->x != set->crtc->x || set->y != set->crtc->y)  in drm_crtc_helper_set_config()
660 	if (set->mode && !drm_mode_equal(set->mode, &set->crtc->mode)) {  in drm_crtc_helper_set_config()
662 		drm_mode_debug_printmodeline(&set->crtc->mode);  in drm_crtc_helper_set_config()
663 		drm_mode_debug_printmodeline(set->mode);  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()
673 		for (ro = 0; ro < set->num_connectors; ro++) {  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()
677 				   we are setting now - then fail */  in drm_crtc_helper_set_config()
685 		if (new_encoder != connector->encoder) {  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()
698 		ret = -EINVAL;  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()
712 		for (ro = 0; ro < set->num_connectors; ro++) {  in drm_crtc_helper_set_config()
713 			if (set->connectors[ro] == connector)  in drm_crtc_helper_set_config()
714 				new_crtc = set->crtc;  in drm_crtc_helper_set_config()
719 		    !drm_encoder_crtc_ok(connector->encoder, new_crtc)) {  in drm_crtc_helper_set_config()
720 			ret = -EINVAL;  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()
730 				connector->base.id, drm_get_connector_name(connector),  in drm_crtc_helper_set_config()
731 				new_crtc->base.id);  in drm_crtc_helper_set_config()
734 				connector->base.id, drm_get_connector_name(connector));  in drm_crtc_helper_set_config()
739 	if (fb_changed && !crtc_funcs->mode_set_base)  in drm_crtc_helper_set_config()
743 		set->crtc->enabled = drm_helper_crtc_in_use(set->crtc);  in drm_crtc_helper_set_config()
744 		if (set->crtc->enabled) {  in drm_crtc_helper_set_config()
747 			drm_mode_debug_printmodeline(set->mode);  in drm_crtc_helper_set_config()
748 			old_fb = set->crtc->fb;  in drm_crtc_helper_set_config()
749 			set->crtc->fb = set->fb;  in drm_crtc_helper_set_config()
750 			if (!drm_crtc_helper_set_mode(set->crtc, set->mode,  in drm_crtc_helper_set_config()
751 						      set->x, set->y,  in drm_crtc_helper_set_config()
754 					  set->crtc->base.id);  in drm_crtc_helper_set_config()
755 				set->crtc->fb = old_fb;  in drm_crtc_helper_set_config()
756 				ret = -EINVAL;  in drm_crtc_helper_set_config()
760 			for (i = 0; i < set->num_connectors; i++) {  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()
762 					      drm_get_connector_name(set->connectors[i]));  in drm_crtc_helper_set_config()
763 				set->connectors[i]->funcs->dpms(set->connectors[i], DRM_MODE_DPMS_ON);  in drm_crtc_helper_set_config()
768 		set->crtc->x = set->x;  in drm_crtc_helper_set_config()
769 		set->crtc->y = set->y;  in drm_crtc_helper_set_config()
771 		old_fb = set->crtc->fb;  in drm_crtc_helper_set_config()
772 		if (set->crtc->fb != set->fb)  in drm_crtc_helper_set_config()
773 			set->crtc->fb = set->fb;  in drm_crtc_helper_set_config()
774 		ret = crtc_funcs->mode_set_base(set->crtc,  in drm_crtc_helper_set_config()
775 						set->x, set->y, old_fb);  in drm_crtc_helper_set_config()
777 			set->crtc->fb = old_fb;  in drm_crtc_helper_set_config()
790 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {  in drm_crtc_helper_set_config()
795 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {  in drm_crtc_helper_set_config()
800 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {  in drm_crtc_helper_set_config()
821 	struct drm_device *dev = encoder->dev;  in drm_helper_choose_encoder_dpms()
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()
834 	struct drm_device *dev = crtc->dev;  in drm_helper_choose_crtc_dpms()
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
850  * state for all encoders and crtcs in the output mesh and calls the ->dpms()
855 	struct drm_encoder *encoder = connector->encoder;  in drm_helper_connector_dpms()
856 	struct drm_crtc *crtc = encoder ? encoder->crtc : NULL;  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()
868 			struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;  in drm_helper_connector_dpms()
869 			if (crtc_funcs->dpms)  in drm_helper_connector_dpms()
870 				(*crtc_funcs->dpms) (crtc,  in drm_helper_connector_dpms()
874 			struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;  in drm_helper_connector_dpms()
875 			if (encoder_funcs->dpms)  in drm_helper_connector_dpms()
876 				(*encoder_funcs->dpms) (encoder,  in drm_helper_connector_dpms()
884 			struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;  in drm_helper_connector_dpms()
885 			if (encoder_funcs->dpms)  in drm_helper_connector_dpms()
886 				(*encoder_funcs->dpms) (encoder,  in drm_helper_connector_dpms()
890 			struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;  in drm_helper_connector_dpms()
891 			if (crtc_funcs->dpms)  in drm_helper_connector_dpms()
892 				(*crtc_funcs->dpms) (crtc,  in drm_helper_connector_dpms()
906 	fb->width = mode_cmd->width;  in drm_helper_mode_fill_fb_struct()
907 	fb->height = mode_cmd->height;  in drm_helper_mode_fill_fb_struct()
909 		fb->pitches[i] = mode_cmd->pitches[i];  in drm_helper_mode_fill_fb_struct()
910 		fb->offsets[i] = mode_cmd->offsets[i];  in drm_helper_mode_fill_fb_struct()
912 	drm_fb_get_bpp_depth(mode_cmd->pixel_format, &fb->depth,  in drm_helper_mode_fill_fb_struct()
913 				    &fb->bits_per_pixel);  in drm_helper_mode_fill_fb_struct()
914 	fb->pixel_format = mode_cmd->pixel_format;  in drm_helper_mode_fill_fb_struct()
928 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {  in drm_helper_resume_force_mode()
930 		if (!crtc->enabled)  in drm_helper_resume_force_mode()
933 		ret = drm_crtc_helper_set_mode(crtc, &crtc->mode,  in drm_helper_resume_force_mode()
934 					       crtc->x, crtc->y, crtc->fb);  in drm_helper_resume_force_mode()
941 			list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {  in drm_helper_resume_force_mode()
943 				if(encoder->crtc != crtc)  in drm_helper_resume_force_mode()
946 				encoder_funcs = encoder->helper_private;  in drm_helper_resume_force_mode()
947 				if (encoder_funcs->dpms)  in drm_helper_resume_force_mode()
948 					(*encoder_funcs->dpms) (encoder,  in drm_helper_resume_force_mode()
952 			crtc_funcs = crtc->helper_private;  in drm_helper_resume_force_mode()
953 			if (crtc_funcs->dpms)  in drm_helper_resume_force_mode()
954 				(*crtc_funcs->dpms) (crtc,  in drm_helper_resume_force_mode()
970 	if (dev->mode_config.funcs->output_poll_changed)  in drm_kms_helper_hotplug_event()
971 		dev->mode_config.funcs->output_poll_changed(dev);  in drm_kms_helper_hotplug_event()
986 	sx_xlock(&dev->mode_config.mutex);  in output_poll_execute()
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()
1009 			      connector->base.id,  in output_poll_execute()
1011 			      old_status, connector->status);  in output_poll_execute()
1012 		if (old_status != connector->status)  in output_poll_execute()
1016 	sx_xunlock(&dev->mode_config.mutex);  in output_poll_execute()
1023 		    &dev->mode_config.output_poll_work,  in output_poll_execute()
1029 	if (!dev->mode_config.poll_enabled)  in drm_kms_helper_poll_disable()
1032 	    &dev->mode_config.output_poll_work, NULL);  in drm_kms_helper_poll_disable()
1041 	if (!dev->mode_config.poll_enabled || !drm_kms_helper_poll)  in drm_kms_helper_poll_enable()
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()
1052 		    &dev->mode_config.output_poll_work, DRM_OUTPUT_POLL_PERIOD);  in drm_kms_helper_poll_enable()
1058 	TIMEOUT_TASK_INIT(taskqueue_thread, &dev->mode_config.output_poll_work,  in drm_kms_helper_poll_init()
1060 	dev->mode_config.poll_enabled = true;  in drm_kms_helper_poll_init()
1078 	if (!dev->mode_config.poll_enabled)  in drm_helper_hpd_irq_event()
1081 	sx_xlock(&dev->mode_config.mutex);  in drm_helper_hpd_irq_event()
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()
1092 			      connector->base.id,  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()
1099 	sx_xunlock(&dev->mode_config.mutex);  in drm_helper_hpd_irq_event()