struct fb_info *fb_info;
int pwr_state;
void (*set_gpu_state)(struct pci_dev *pdev, enum vga_switcheroo_state);
+ void (*reprobe)(struct pci_dev *pdev);
bool (*can_switch)(struct pci_dev *pdev);
int id;
bool active;
int vga_switcheroo_register_client(struct pci_dev *pdev,
void (*set_gpu_state)(struct pci_dev *pdev, enum vga_switcheroo_state),
+ void (*reprobe)(struct pci_dev *pdev),
bool (*can_switch)(struct pci_dev *pdev))
{
int index;
vgasr_priv.clients[index].pwr_state = VGA_SWITCHEROO_ON;
vgasr_priv.clients[index].pdev = pdev;
vgasr_priv.clients[index].set_gpu_state = set_gpu_state;
+ vgasr_priv.clients[index].reprobe = reprobe;
vgasr_priv.clients[index].can_switch = can_switch;
vgasr_priv.clients[index].id = -1;
if (pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW)
int i;
mutex_lock(&vgasr_mutex);
for (i = 0; i < VGA_SWITCHEROO_MAX_CLIENTS; i++) {
- seq_printf(m, "%d:%c:%s:%s\n", i,
+ seq_printf(m, "%d:%s:%c:%s:%s\n", i,
+ vgasr_priv.clients[i].id == VGA_SWITCHEROO_DIS ? "DIS" : "IGD",
vgasr_priv.clients[i].active ? '+' : ' ',
vgasr_priv.clients[i].pwr_state ? "Pwr" : "Off",
pci_name(vgasr_priv.clients[i].pdev));
static int vga_switchon(struct vga_switcheroo_client *client)
{
- int ret;
-
- ret = vgasr_priv.handler->power_state(client->id, VGA_SWITCHEROO_ON);
+ if (vgasr_priv.handler->power_state)
+ vgasr_priv.handler->power_state(client->id, VGA_SWITCHEROO_ON);
/* call the driver callback to turn on device */
client->set_gpu_state(client->pdev, VGA_SWITCHEROO_ON);
client->pwr_state = VGA_SWITCHEROO_ON;
{
/* call the driver callback to turn off device */
client->set_gpu_state(client->pdev, VGA_SWITCHEROO_OFF);
- vgasr_priv.handler->power_state(client->id, VGA_SWITCHEROO_OFF);
+ if (vgasr_priv.handler->power_state)
+ vgasr_priv.handler->power_state(client->id, VGA_SWITCHEROO_OFF);
client->pwr_state = VGA_SWITCHEROO_OFF;
return 0;
}
if (ret)
return ret;
+ if (new_client->reprobe)
+ new_client->reprobe(new_client->pdev);
+
if (active->pwr_state == VGA_SWITCHEROO_ON)
vga_switchoff(active);
const char *pdev_name;
int i, ret;
bool delay = false, can_switch;
+ bool just_mux = false;
int client_id = -1;
struct vga_switcheroo_client *client = NULL;
if (strncmp(usercmd, "DIS", 3) == 0)
client_id = VGA_SWITCHEROO_DIS;
+ if (strncmp(usercmd, "MIGD", 3) == 0) {
+ just_mux = true;
+ client_id = VGA_SWITCHEROO_IGD;
+ }
+ if (strncmp(usercmd, "MDIS", 3) == 0) {
+ just_mux = true;
+ client_id = VGA_SWITCHEROO_DIS;
+ }
+
if (client_id == -1)
goto out;
}
vgasr_priv.delayed_switch_active = false;
+
+ if (just_mux) {
+ ret = vgasr_priv.handler->switchto(client_id);
+ goto out;
+ }
+
/* okay we want a switch - test if devices are willing to switch */
can_switch = true;
for (i = 0; i < VGA_SWITCHEROO_MAX_CLIENTS; i++) {