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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-28 10:59:18 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-28 10:59:18 -0800 |
| commit | c7e15899d07c9813c1aa96b21699d2d9c8314c4b (patch) | |
| tree | 16e9b4dceddf1b4d1dad05588d700c70cf8fcb88 /arch/x86/kernel/bios_uv.c | |
| parent | f6a0b5cd34d6e922cc7258c5429fb0f17508ceb6 (diff) | |
| parent | 78c06176466cbd1b3f0f67709d3023c40dbebcbd (diff) | |
Merge branch 'x86-pci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-pci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Enable NMI on all cpus on UV
vgaarb: Add user selectability of the number of GPUS in a system
vgaarb: Fix VGA arbiter to accept PCI domains other than 0
x86, uv: Update UV arch to target Legacy VGA I/O correctly.
pci: Update pci_set_vga_state() to call arch functions
Diffstat (limited to 'arch/x86/kernel/bios_uv.c')
| -rw-r--r-- | arch/x86/kernel/bios_uv.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/x86/kernel/bios_uv.c b/arch/x86/kernel/bios_uv.c index b0206a211b0..575127a6e35 100644 --- a/arch/x86/kernel/bios_uv.c +++ b/arch/x86/kernel/bios_uv.c @@ -154,6 +154,25 @@ s64 uv_bios_freq_base(u64 clock_type, u64 *ticks_per_second) } EXPORT_SYMBOL_GPL(uv_bios_freq_base); +/* + * uv_bios_set_legacy_vga_target - Set Legacy VGA I/O Target + * @decode: true to enable target, false to disable target + * @domain: PCI domain number + * @bus: PCI bus number + * + * Returns: + * 0: Success + * -EINVAL: Invalid domain or bus number + * -ENOSYS: Capability not available + * -EBUSY: Legacy VGA I/O cannot be retargeted at this time + */ +int uv_bios_set_legacy_vga_target(bool decode, int domain, int bus) +{ + return uv_bios_call(UV_BIOS_SET_LEGACY_VGA_TARGET, + (u64)decode, (u64)domain, (u64)bus, 0, 0); +} +EXPORT_SYMBOL_GPL(uv_bios_set_legacy_vga_target); + #ifdef CONFIG_EFI void uv_bios_init(void) |