diff options
| author | Dave Airlie <airlied@redhat.com> | 2010-12-07 08:57:57 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-01-05 13:44:07 +1000 |
| commit | 8d608aa6295242fe4c4b6105b8c59c6a5b232d89 (patch) | |
| tree | 89205a1d839b0b002ec58d7988c2bebea7d8efc8 /drivers/gpu/vga | |
| parent | d1fbd923da0f982f12b61a44e74c2e1f74c6ef56 (diff) | |
vga_switcheroo: add reprobe hook for fbcon to recheck connected outputs.
This adds a hook after the mux is switched for the driver to reprobe
the connected outputs.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/vga')
| -rw-r--r-- | drivers/gpu/vga/vga_switcheroo.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c index 463691a1650e..2b8e1d25e8d0 100644 --- a/drivers/gpu/vga/vga_switcheroo.c +++ b/drivers/gpu/vga/vga_switcheroo.c @@ -33,6 +33,7 @@ struct vga_switcheroo_client { 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; @@ -103,6 +104,7 @@ static void vga_switcheroo_enable(void) 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; @@ -117,6 +119,7 @@ int vga_switcheroo_register_client(struct pci_dev *pdev, 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) @@ -251,6 +254,9 @@ static int vga_switchto(struct vga_switcheroo_client *new_client) if (ret) return ret; + if (new_client->reprobe) + new_client->reprobe(new_client->pdev); + if (active->pwr_state == VGA_SWITCHEROO_ON) vga_switchoff(active); |