diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-24 21:22:33 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-24 21:22:33 +0100 |
commit | baea7b946f00a291b166ccae7fcfed6c01530cc6 (patch) | |
tree | 4aa275fbdbec9c7b9b4629e8bee2bbecd3c6a6af /include/linux/vgaarb.h | |
parent | ae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (diff) | |
parent | 94e0fb086fc5663c38bbc0fe86d698be8314f82f (diff) |
Merge branch 'origin' into for-linus
Conflicts:
MAINTAINERS
Diffstat (limited to 'include/linux/vgaarb.h')
-rw-r--r-- | include/linux/vgaarb.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h index e81c64af80c..2dfaa293ae8 100644 --- a/include/linux/vgaarb.h +++ b/include/linux/vgaarb.h @@ -1,5 +1,6 @@ /* - * vgaarb.c + * The VGA aribiter manages VGA space routing and VGA resource decode to + * allow multiple VGA devices to be used in a system in a safe way. * * (C) Copyright 2005 Benjamin Herrenschmidt <benh@kernel.crashing.org> * (C) Copyright 2007 Paulo R. Zanoni <przanoni@gmail.com> @@ -41,7 +42,7 @@ * interrupts at any time. */ extern void vga_set_legacy_decoding(struct pci_dev *pdev, - unsigned int decodes); + unsigned int decodes); /** * vga_get - acquire & locks VGA resources @@ -193,8 +194,17 @@ static inline int vga_conflicts(struct pci_dev *p1, struct pci_dev *p2) * They driver will get a callback when VGA arbitration is first used * by userspace since we some older X servers have issues. */ +#if defined(CONFIG_VGA_ARB) int vga_client_register(struct pci_dev *pdev, void *cookie, void (*irq_set_state)(void *cookie, bool state), unsigned int (*set_vga_decode)(void *cookie, bool state)); +#else +static inline int vga_client_register(struct pci_dev *pdev, void *cookie, + void (*irq_set_state)(void *cookie, bool state), + unsigned int (*set_vga_decode)(void *cookie, bool state)) +{ + return 0; +} +#endif #endif /* LINUX_VGA_H */ |