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authorBjorn Helgaas <bhelgaas@google.com>2012-09-24 19:24:11 -0400
committerBjorn Helgaas <bhelgaas@google.com>2012-09-24 19:24:11 -0400
commit78c8f84302ce007aedcfa11912fd4aacf22727ab (patch)
treef7a699c34875cd33c2e6c1301b740adb0ba4054f /drivers/gpu/vga
parentd3ce52f50cc1697504130897f1d7c489b62dae1c (diff)
parent84544a1dea61879edebceddb7a76d5737409f8c8 (diff)
Merge branch 'pci/yinghai-misc' into next
Diffstat (limited to 'drivers/gpu/vga')
-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);
141 141
142void vga_set_default_device(struct pci_dev *pdev) 142void vga_set_default_device(struct pci_dev *pdev)
143{ 143{
144 vga_default = pdev; 144 if (vga_default == pdev)
145 return;
146
147 pci_dev_put(vga_default);
148 vga_default = pci_dev_get(pdev);
145} 149}
146#endif 150#endif
147 151
@@ -577,7 +581,7 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev)
577#ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE 581#ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE
578 if (vga_default == NULL && 582 if (vga_default == NULL &&
579 ((vgadev->owns & VGA_RSRC_LEGACY_MASK) == VGA_RSRC_LEGACY_MASK)) 583 ((vgadev->owns & VGA_RSRC_LEGACY_MASK) == VGA_RSRC_LEGACY_MASK))
580 vga_default = pci_dev_get(pdev); 584 vga_set_default_device(pdev);
581#endif 585#endif
582 586
583 vga_arbiter_check_bridge_sharing(vgadev); 587 vga_arbiter_check_bridge_sharing(vgadev);
@@ -613,10 +617,8 @@ static bool vga_arbiter_del_pci_device(struct pci_dev *pdev)
613 } 617 }
614 618
615#ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE 619#ifndef __ARCH_HAS_VGA_DEFAULT_DEVICE
616 if (vga_default == pdev) { 620 if (vga_default == pdev)
617 pci_dev_put(vga_default); 621 vga_set_default_device(NULL);
618 vga_default = NULL;
619 }
620#endif 622#endif
621 623
622 if (vgadev->decodes & (VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM)) 624 if (vgadev->decodes & (VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM))