190 	struct vga_switcheroo_client *client;  in vga_switcheroo_enable()  local
196 	list_for_each_entry(client, &vgasr_priv.clients, list) {  in vga_switcheroo_enable()
197 		if (!client_is_vga(client) ||  in vga_switcheroo_enable()
198 		     client_id(client) != VGA_SWITCHEROO_UNKNOWN_ID)  in vga_switcheroo_enable()
201 		ret = vgasr_priv.handler->get_client_id(client->pdev);  in vga_switcheroo_enable()
205 		client->id = ret;  in vga_switcheroo_enable()
208 	list_for_each_entry(client, &vgasr_priv.clients, list) {  in vga_switcheroo_enable()
209 		if (!client_is_audio(client) ||  in vga_switcheroo_enable()
210 		     client_id(client) != VGA_SWITCHEROO_UNKNOWN_ID)  in vga_switcheroo_enable()
213 		ret = vgasr_priv.handler->get_client_id(client->vga_dev);  in vga_switcheroo_enable()
217 		client->id = ret | ID_BIT_AUDIO;  in vga_switcheroo_enable()
218 		if (client->ops->gpu_bound)  in vga_switcheroo_enable()
219 			client->ops->gpu_bound(client->pdev, ret);  in vga_switcheroo_enable()
299 	struct vga_switcheroo_client *client;  in register_client()  local
301 	client = kzalloc(sizeof(*client), GFP_KERNEL);  in register_client()
302 	if (!client)  in register_client()
305 	client->pwr_state = VGA_SWITCHEROO_ON;  in register_client()
306 	client->pdev = pdev;  in register_client()
307 	client->ops = ops;  in register_client()
308 	client->id = id;  in register_client()
309 	client->active = active;  in register_client()
310 	client->driver_power_control = driver_power_control;  in register_client()
311 	client->vga_dev = vga_dev;  in register_client()
314 	list_add_tail(&client->list, &vgasr_priv.clients);  in register_client()
315 	if (client_is_vga(client))  in register_client()
394 	struct vga_switcheroo_client *client;  in find_client_from_pci()  local
396 	list_for_each_entry(client, head, list)  in find_client_from_pci()
397 		if (client->pdev == pdev)  in find_client_from_pci()
398 			return client;  in find_client_from_pci()
406 	struct vga_switcheroo_client *client;  in find_client_from_id()  local
408 	list_for_each_entry(client, head, list)  in find_client_from_id()
409 		if (client->id == client_id)  in find_client_from_id()
410 			return client;  in find_client_from_id()
417 	struct vga_switcheroo_client *client;  in find_active_client()  local
419 	list_for_each_entry(client, head, list)  in find_active_client()
420 		if (client->active)  in find_active_client()
421 			return client;  in find_active_client()
453 vga_switcheroo_pwr_state(struct vga_switcheroo_client *client)  in vga_switcheroo_pwr_state()  argument
455 	if (client->driver_power_control)  in vga_switcheroo_pwr_state()
456 		if (pm_runtime_enabled(&client->pdev->dev) &&  in vga_switcheroo_pwr_state()
457 		    pm_runtime_active(&client->pdev->dev))  in vga_switcheroo_pwr_state()
462 		return client->pwr_state;  in vga_switcheroo_pwr_state()
476 	struct vga_switcheroo_client *client;  in vga_switcheroo_get_client_state()  local
480 	client = find_client_from_pci(&vgasr_priv.clients, pdev);  in vga_switcheroo_get_client_state()
481 	if (!client)  in vga_switcheroo_get_client_state()
484 		ret = vga_switcheroo_pwr_state(client);  in vga_switcheroo_get_client_state()
498 	struct vga_switcheroo_client *client;  in vga_switcheroo_unregister_client()  local
501 	client = find_client_from_pci(&vgasr_priv.clients, pdev);  in vga_switcheroo_unregister_client()
502 	if (client) {  in vga_switcheroo_unregister_client()
503 		if (client_is_vga(client))  in vga_switcheroo_unregister_client()
505 		list_del(&client->list);  in vga_switcheroo_unregister_client()
506 		kfree(client);  in vga_switcheroo_unregister_client()
528 	struct vga_switcheroo_client *client;  in vga_switcheroo_client_fb_set()  local
531 	client = find_client_from_pci(&vgasr_priv.clients, pdev);  in vga_switcheroo_client_fb_set()
532 	if (client)  in vga_switcheroo_client_fb_set()
533 		client->fb_info = info;  in vga_switcheroo_client_fb_set()
646 	struct vga_switcheroo_client *client;  in vga_switcheroo_show()  local
650 	list_for_each_entry(client, &vgasr_priv.clients, list) {  in vga_switcheroo_show()
652 			   client_id(client) == VGA_SWITCHEROO_DIS ? "DIS" :  in vga_switcheroo_show()
654 			   client_is_vga(client) ? "" : "-Audio",  in vga_switcheroo_show()
655 			   client->active ? '+' : ' ',  in vga_switcheroo_show()
656 			   client->driver_power_control ? "Dyn" : "",  in vga_switcheroo_show()
657 			   vga_switcheroo_pwr_state(client) ? "Pwr" : "Off",  in vga_switcheroo_show()
658 			   pci_name(client->pdev));  in vga_switcheroo_show()
670 static int vga_switchon(struct vga_switcheroo_client *client)  in vga_switchon()  argument
672 	if (client->driver_power_control)  in vga_switchon()
675 		vgasr_priv.handler->power_state(client->id, VGA_SWITCHEROO_ON);  in vga_switchon()
677 	client->ops->set_gpu_state(client->pdev, VGA_SWITCHEROO_ON);  in vga_switchon()
678 	client->pwr_state = VGA_SWITCHEROO_ON;  in vga_switchon()
682 static int vga_switchoff(struct vga_switcheroo_client *client)  in vga_switchoff()  argument
684 	if (client->driver_power_control)  in vga_switchoff()
687 	client->ops->set_gpu_state(client->pdev, VGA_SWITCHEROO_OFF);  in vga_switchoff()
689 		vgasr_priv.handler->power_state(client->id, VGA_SWITCHEROO_OFF);  in vga_switchoff()
690 	client->pwr_state = VGA_SWITCHEROO_OFF;  in vga_switchoff()
697 	struct vga_switcheroo_client *client;  in set_audio_state()  local
699 	client = find_client_from_id(&vgasr_priv.clients, id | ID_BIT_AUDIO);  in set_audio_state()
700 	if (client)  in set_audio_state()
701 		client->ops->set_gpu_state(client->pdev, state);  in set_audio_state()
767 	struct vga_switcheroo_client *client;  in check_can_switch()  local
769 	list_for_each_entry(client, &vgasr_priv.clients, list) {  in check_can_switch()
770 		if (!client->ops->can_switch(client->pdev)) {  in check_can_switch()
771 			pr_err("client %x refused switch\n", client->id);  in check_can_switch()
787 	struct vga_switcheroo_client *client = NULL;  in vga_switcheroo_debugfs_write()  local
804 		list_for_each_entry(client, &vgasr_priv.clients, list) {  in vga_switcheroo_debugfs_write()
805 			if (client->active || client_is_audio(client))  in vga_switcheroo_debugfs_write()
807 			if (client->driver_power_control)  in vga_switcheroo_debugfs_write()
809 			set_audio_state(client->id, VGA_SWITCHEROO_OFF);  in vga_switcheroo_debugfs_write()
810 			if (client->pwr_state == VGA_SWITCHEROO_ON)  in vga_switcheroo_debugfs_write()
811 				vga_switchoff(client);  in vga_switcheroo_debugfs_write()
817 		list_for_each_entry(client, &vgasr_priv.clients, list) {  in vga_switcheroo_debugfs_write()
818 			if (client->active || client_is_audio(client))  in vga_switcheroo_debugfs_write()
820 			if (client->driver_power_control)  in vga_switcheroo_debugfs_write()
822 			if (client->pwr_state == VGA_SWITCHEROO_OFF)  in vga_switcheroo_debugfs_write()
823 				vga_switchon(client);  in vga_switcheroo_debugfs_write()
824 			set_audio_state(client->id, VGA_SWITCHEROO_ON);  in vga_switcheroo_debugfs_write()
857 	client = find_client_from_id(&vgasr_priv.clients, client_id);  in vga_switcheroo_debugfs_write()
858 	if (!client)  in vga_switcheroo_debugfs_write()
870 	if (client->active)  in vga_switcheroo_debugfs_write()
880 		ret = vga_switchto_stage1(client);  in vga_switcheroo_debugfs_write()
884 		ret = vga_switchto_stage2(client);  in vga_switcheroo_debugfs_write()
889 		pr_info("setting delayed switch to client %d\n", client->id);  in vga_switcheroo_debugfs_write()
893 		ret = vga_switchto_stage1(client);  in vga_switcheroo_debugfs_write()
960 	struct vga_switcheroo_client *client;  in vga_switcheroo_process_delayed_switch()  local
971 	client = find_client_from_id(&vgasr_priv.clients,  in vga_switcheroo_process_delayed_switch()
973 	if (!client || !check_can_switch())  in vga_switcheroo_process_delayed_switch()
976 	ret = vga_switchto_stage2(client);  in vga_switcheroo_process_delayed_switch()
1020 	struct vga_switcheroo_client *client;  in vga_switcheroo_power_switch()  local
1025 	client = find_client_from_pci(&vgasr_priv.clients, pdev);  in vga_switcheroo_power_switch()
1026 	if (!client)  in vga_switcheroo_power_switch()
1029 	if (!client->driver_power_control)  in vga_switcheroo_power_switch()
1032 	vgasr_priv.handler->power_state(client->id, state);  in vga_switcheroo_power_switch()