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authorDave Airlie <airlied@redhat.com>2010-12-06 23:57:57 +0100
committerDave Airlie <airlied@redhat.com>2011-01-05 04:44:07 +0100
commit8d608aa6295242fe4c4b6105b8c59c6a5b232d89 (patch)
tree89205a1d839b0b002ec58d7988c2bebea7d8efc8 /drivers
parentnouveau/acpi: improve detection of what is IGD and what is DIS. (diff)
downloadlinux-8d608aa6295242fe4c4b6105b8c59c6a5b232d89.tar.xz
linux-8d608aa6295242fe4c4b6105b8c59c6a5b232d89.zip
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')
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c1
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_state.c7
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c1
-rw-r--r--drivers/gpu/vga/vga_switcheroo.c6
4 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 8cb7f93732c2..ec1f650f6fab 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -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;
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index db4b410f4a8c..1b87eee22fa9 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -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 */
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 96f0eb484ce6..1a1017f0d9db 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -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);
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);