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authorBjorn Helgaas <bhelgaas@google.com>2012-09-24 17:24:11 -0600
committerBjorn Helgaas <bhelgaas@google.com>2012-09-24 17:24:11 -0600
commit78c8f84302ce007aedcfa11912fd4aacf22727ab (patch)
treef7a699c34875cd33c2e6c1301b740adb0ba4054f /drivers/gpu/vga/vgaarb.c
parentd3ce52f50cc1697504130897f1d7c489b62dae1c (diff)
parent84544a1dea61879edebceddb7a76d5737409f8c8 (diff)
Merge branch 'pci/yinghai-misc' into next
Diffstat (limited to 'drivers/gpu/vga/vgaarb.c')
-rw-r--r--drivers/gpu/vga/vgaarb.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index b6852b776931..e893f6e1937d 100644
--- a/drivers/gpu/vga/vgaarb.c
+++ b/drivers/gpu/vga/vgaarb.c
@@ -141,7 +141,11 @@ EXPORT_SYMBOL_GPL(vga_default_device);
void vga_set_default_device(struct pci_dev *pdev)
{
- vga_default = pdev;
+ if (vga_default == pdev)
+ return;
+
+ pci_dev_put(vga_default);
+ vga_default = pci_dev_get(pdev);
}
#endif
@@ -577,7 +581,7 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev)
#ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE
if (vga_default == NULL &&
((vgadev->owns & VGA_RSRC_LEGACY_MASK) == VGA_RSRC_LEGACY_MASK))
- vga_default = pci_dev_get(pdev);
+ vga_set_default_device(pdev);
#endif
vga_arbiter_check_bridge_sharing(vgadev);
@@ -613,10 +617,8 @@ static bool vga_arbiter_del_pci_device(struct pci_dev *pdev)
}
#ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE
- if (vga_default == pdev) {
- pci_dev_put(vga_default);
- vga_default = NULL;
- }
+ if (vga_default == pdev)
+ vga_set_default_device(NULL);
#endif
if (vgadev->decodes & (VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM))

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