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vga_switcheroo: add reprobe hook for fbcon to recheck connected outputs.

Browse Source 
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>
This commit is contained in:
Dave Airlie 2010-12-07 08:57:57 +10:00
parent d1fbd923da
commit 8d608aa629
5 changed files with 16 additions and 0 deletions
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1
drivers/gpu/drm/i915/i915_dma.c
View File

@ -1231,6 +1231,7 @@ static int i915_load_modeset_init(struct drm_device *dev)
ret = vga_switcheroo_register_client(dev->pdev,
i915_switcheroo_set_state,
NULL,
i915_switcheroo_can_switch);
if (ret)
goto cleanup_vga_client;

7
drivers/gpu/drm/nouveau/nouveau_state.c
View File

@ -605,6 +605,12 @@ static void nouveau_switcheroo_set_state(struct pci_dev *pdev,
}
}
static void nouveau_switcheroo_reprobe(struct pci_dev *pdev)
{
struct drm_device *dev = pci_get_drvdata(pdev);
nouveau_fbcon_output_poll_changed(dev);
}
static bool nouveau_switcheroo_can_switch(struct pci_dev *pdev)
{
struct drm_device *dev = pci_get_drvdata(pdev);
@ -625,6 +631,7 @@ nouveau_card_init(struct drm_device *dev)
vga_client_register(dev->pdev, dev, NULL, nouveau_vga_set_decode);
vga_switcheroo_register_client(dev->pdev, nouveau_switcheroo_set_state,
nouveau_switcheroo_reprobe,
nouveau_switcheroo_can_switch);
/* Initialise internal driver API hooks */

1
drivers/gpu/drm/radeon/radeon_device.c
View File

@ -779,6 +779,7 @@ int radeon_device_init(struct radeon_device *rdev,
vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode);
vga_switcheroo_register_client(rdev->pdev,
radeon_switcheroo_set_state,
NULL,
radeon_switcheroo_can_switch);
r = radeon_init(rdev);

6
drivers/gpu/vga/vga_switcheroo.c
View File

@ -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);

1
include/linux/vga_switcheroo.h
View File

@ -33,6 +33,7 @@ struct vga_switcheroo_handler {
void vga_switcheroo_unregister_client(struct pci_dev *dev);
int vga_switcheroo_register_client(struct pci_dev *dev,
void (*set_gpu_state)(struct pci_dev *dev, enum vga_switcheroo_state),
void (*reprobe)(struct pci_dev *dev),
bool (*can_switch)(struct pci_dev *dev));
void vga_switcheroo_client_fb_set(struct pci_dev *dev,