85 	struct vga_switcheroo_client *client;  in vga_switcheroo_enable()  local
91 	list_for_each_entry(client, &vgasr_priv.clients, list) {  in vga_switcheroo_enable()
92 		if (client->id != -1)  in vga_switcheroo_enable()
94 		ret = vgasr_priv.handler->get_client_id(client->pdev);  in vga_switcheroo_enable()
98 		client->id = ret;  in vga_switcheroo_enable()
139 	struct vga_switcheroo_client *client;  in register_client()  local
141 	client = kzalloc(sizeof(*client), GFP_KERNEL);  in register_client()
142 	if (!client)  in register_client()
145 	client->pwr_state = VGA_SWITCHEROO_ON;  in register_client()
146 	client->pdev = pdev;  in register_client()
147 	client->ops = ops;  in register_client()
148 	client->id = id;  in register_client()
149 	client->active = active;  in register_client()
150 	client->driver_power_control = driver_power_control;  in register_client()
153 	list_add_tail(&client->list, &vgasr_priv.clients);  in register_client()
154 	if (client_is_vga(client))  in register_client()
185 	struct vga_switcheroo_client *client;  in find_client_from_pci()  local
186 	list_for_each_entry(client, head, list)  in find_client_from_pci()
187 		if (client->pdev == pdev)  in find_client_from_pci()
188 			return client;  in find_client_from_pci()
195 	struct vga_switcheroo_client *client;  in find_client_from_id()  local
196 	list_for_each_entry(client, head, list)  in find_client_from_id()
197 		if (client->id == client_id)  in find_client_from_id()
198 			return client;  in find_client_from_id()
205 	struct vga_switcheroo_client *client;  in find_active_client()  local
206 	list_for_each_entry(client, head, list)  in find_active_client()
207 		if (client->active && client_is_vga(client))  in find_active_client()
208 			return client;  in find_active_client()
214 	struct vga_switcheroo_client *client;  in vga_switcheroo_get_client_state()  local
216 	client = find_client_from_pci(&vgasr_priv.clients, pdev);  in vga_switcheroo_get_client_state()
217 	if (!client)  in vga_switcheroo_get_client_state()
221 	return client->pwr_state;  in vga_switcheroo_get_client_state()
227 	struct vga_switcheroo_client *client;  in vga_switcheroo_unregister_client()  local
230 	client = find_client_from_pci(&vgasr_priv.clients, pdev);  in vga_switcheroo_unregister_client()
231 	if (client) {  in vga_switcheroo_unregister_client()
232 		if (client_is_vga(client))  in vga_switcheroo_unregister_client()
234 		list_del(&client->list);  in vga_switcheroo_unregister_client()
235 		kfree(client);  in vga_switcheroo_unregister_client()
249 	struct vga_switcheroo_client *client;  in vga_switcheroo_client_fb_set()  local
252 	client = find_client_from_pci(&vgasr_priv.clients, pdev);  in vga_switcheroo_client_fb_set()
253 	if (client)  in vga_switcheroo_client_fb_set()
254 		client->fb_info = info;  in vga_switcheroo_client_fb_set()
261 	struct vga_switcheroo_client *client;  in vga_switcheroo_show()  local
264 	list_for_each_entry(client, &vgasr_priv.clients, list) {  in vga_switcheroo_show()
266 			   client_id(client) == VGA_SWITCHEROO_DIS ? "DIS" : "IGD",  in vga_switcheroo_show()
267 			   client_is_vga(client) ? "" : "-Audio",  in vga_switcheroo_show()
268 			   client->active ? '+' : ' ',  in vga_switcheroo_show()
269 			   client->driver_power_control ? "Dyn" : "",  in vga_switcheroo_show()
270 			   client->pwr_state ? "Pwr" : "Off",  in vga_switcheroo_show()
271 			   pci_name(client->pdev));  in vga_switcheroo_show()
283 static int vga_switchon(struct vga_switcheroo_client *client)  in vga_switchon()  argument
285 	if (client->driver_power_control)  in vga_switchon()
288 		vgasr_priv.handler->power_state(client->id, VGA_SWITCHEROO_ON);  in vga_switchon()
290 	client->ops->set_gpu_state(client->pdev, VGA_SWITCHEROO_ON);  in vga_switchon()
291 	client->pwr_state = VGA_SWITCHEROO_ON;  in vga_switchon()
295 static int vga_switchoff(struct vga_switcheroo_client *client)  in vga_switchoff()  argument
297 	if (client->driver_power_control)  in vga_switchoff()
300 	client->ops->set_gpu_state(client->pdev, VGA_SWITCHEROO_OFF);  in vga_switchoff()
302 		vgasr_priv.handler->power_state(client->id, VGA_SWITCHEROO_OFF);  in vga_switchoff()
303 	client->pwr_state = VGA_SWITCHEROO_OFF;  in vga_switchoff()
309 	struct vga_switcheroo_client *client;  in set_audio_state()  local
311 	client = find_client_from_id(&vgasr_priv.clients, id | ID_BIT_AUDIO);  in set_audio_state()
312 	if (client && client->pwr_state != state) {  in set_audio_state()
313 		client->ops->set_gpu_state(client->pdev, state);  in set_audio_state()
314 		client->pwr_state = state;  in set_audio_state()
374 	struct vga_switcheroo_client *client;  in check_can_switch()  local
376 	list_for_each_entry(client, &vgasr_priv.clients, list) {  in check_can_switch()
377 		if (!client->ops->can_switch(client->pdev)) {  in check_can_switch()
378 			printk(KERN_ERR "vga_switcheroo: client %x refused switch\n", client->id);  in check_can_switch()
394 	struct vga_switcheroo_client *client = NULL;  in vga_switcheroo_debugfs_write()  local
411 		list_for_each_entry(client, &vgasr_priv.clients, list) {  in vga_switcheroo_debugfs_write()
412 			if (client->active || client_is_audio(client))  in vga_switcheroo_debugfs_write()
414 			if (client->driver_power_control)  in vga_switcheroo_debugfs_write()
416 			set_audio_state(client->id, VGA_SWITCHEROO_OFF);  in vga_switcheroo_debugfs_write()
417 			if (client->pwr_state == VGA_SWITCHEROO_ON)  in vga_switcheroo_debugfs_write()
418 				vga_switchoff(client);  in vga_switcheroo_debugfs_write()
424 		list_for_each_entry(client, &vgasr_priv.clients, list) {  in vga_switcheroo_debugfs_write()
425 			if (client->active || client_is_audio(client))  in vga_switcheroo_debugfs_write()
427 			if (client->driver_power_control)  in vga_switcheroo_debugfs_write()
429 			if (client->pwr_state == VGA_SWITCHEROO_OFF)  in vga_switcheroo_debugfs_write()
430 				vga_switchon(client);  in vga_switcheroo_debugfs_write()
431 			set_audio_state(client->id, VGA_SWITCHEROO_ON);  in vga_switcheroo_debugfs_write()
464 	client = find_client_from_id(&vgasr_priv.clients, client_id);  in vga_switcheroo_debugfs_write()
465 	if (!client)  in vga_switcheroo_debugfs_write()
475 	if (client->active)  in vga_switcheroo_debugfs_write()
485 		ret = vga_switchto_stage1(client);  in vga_switcheroo_debugfs_write()
489 		ret = vga_switchto_stage2(client);  in vga_switcheroo_debugfs_write()
494 		printk(KERN_INFO "vga_switcheroo: setting delayed switch to client %d\n", client->id);  in vga_switcheroo_debugfs_write()
498 		ret = vga_switchto_stage1(client);  in vga_switcheroo_debugfs_write()
555 	struct vga_switcheroo_client *client;  in vga_switcheroo_process_delayed_switch()  local
565 	client = find_client_from_id(&vgasr_priv.clients,  in vga_switcheroo_process_delayed_switch()
567 	if (!client || !check_can_switch())  in vga_switcheroo_process_delayed_switch()
570 	ret = vga_switchto_stage2(client);  in vga_switcheroo_process_delayed_switch()
584 	struct vga_switcheroo_client *client;  in vga_switcheroo_power_switch()  local
589 	client = find_client_from_pci(&vgasr_priv.clients, pdev);  in vga_switcheroo_power_switch()
590 	if (!client)  in vga_switcheroo_power_switch()
593 	if (!client->driver_power_control)  in vga_switcheroo_power_switch()
596 	vgasr_priv.handler->power_state(client->id, state);  in vga_switcheroo_power_switch()
603 	struct vga_switcheroo_client *client;  in vga_switcheroo_set_dynamic_switch()  local
605 	client = find_client_from_pci(&vgasr_priv.clients, pdev);  in vga_switcheroo_set_dynamic_switch()
606 	if (!client)  in vga_switcheroo_set_dynamic_switch()
609 	if (!client->driver_power_control)  in vga_switcheroo_set_dynamic_switch()
612 	client->pwr_state = dynamic;  in vga_switcheroo_set_dynamic_switch()
613 	set_audio_state(client->id, dynamic);  in vga_switcheroo_set_dynamic_switch()
673 	struct vga_switcheroo_client *client, *found = NULL;  in vga_switcheroo_runtime_resume_hdmi_audio()  local
677 	list_for_each_entry(client, &vgasr_priv.clients, list) {  in vga_switcheroo_runtime_resume_hdmi_audio()
678 		if (PCI_SLOT(client->pdev->devfn) == PCI_SLOT(pdev->devfn) && client_is_vga(client)) {  in vga_switcheroo_runtime_resume_hdmi_audio()
679 			found = client;  in vga_switcheroo_runtime_resume_hdmi_audio()
680 			ret = pm_runtime_get_sync(&client->pdev->dev);  in vga_switcheroo_runtime_resume_hdmi_audio()