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| author | Bjorn Helgaas <bhelgaas@google.com> | 2012-09-24 17:24:11 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2012-09-24 17:24:11 -0600 |
| commit | 78c8f84302ce007aedcfa11912fd4aacf22727ab (patch) | |
| tree | f7a699c34875cd33c2e6c1301b740adb0ba4054f /drivers/gpu/vga/vgaarb.c | |
| parent | d3ce52f50cc1697504130897f1d7c489b62dae1c (diff) | |
| parent | 84544a1dea61879edebceddb7a76d5737409f8c8 (diff) | |
Merge branch 'pci/yinghai-misc' into next
Diffstat (limited to 'drivers/gpu/vga/vgaarb.c')
| -rw-r--r-- | drivers/gpu/vga/vgaarb.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c index b6852b77693..e893f6e1937 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)) |