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| author |   H. Peter Anvin <hpa@zytor.com> | 2010-04-29 16:53:17 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-04-29 16:53:17 -0700 |
| commit | d9c5841e22231e4e49fd0a1004164e6fce59b7a6 (patch) | |
| tree | e1f589c46b3ff79bbe7b1b2469f6362f94576da6 /drivers/gpu/vga/Kconfig | |
| parent | x86: Fix LOCK_PREFIX_HERE for uniprocessor build (diff) | |
| parent | x86-64: Reduce SMP locks table size (diff) | |
| download | linux-dev-d9c5841e22231e4e49fd0a1004164e6fce59b7a6.tar.xz linux-dev-d9c5841e22231e4e49fd0a1004164e6fce59b7a6.zip | |
Merge branch 'x86/asm' into x86/atomic
Merge reason:
Conflict between LOCK_PREFIX_HERE and relative alternatives
pointers
Resolved Conflicts:
arch/x86/include/asm/alternative.h
arch/x86/kernel/alternative.c
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'drivers/gpu/vga/Kconfig')
| -rw-r--r-- | drivers/gpu/vga/Kconfig | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/vga/Kconfig b/drivers/gpu/vga/Kconfig index 790e675b13eb..61ab4daf0bbb 100644 --- a/drivers/gpu/vga/Kconfig +++ b/drivers/gpu/vga/Kconfig @@ -8,3 +8,22 @@ config VGA_ARB are accessed at same time they need some kind of coordination. Please see Documentation/vgaarbiter.txt for more details. Select this to enable VGA arbiter. + +config VGA_ARB_MAX_GPUS + int "Maximum number of GPUs" + default 16 + depends on VGA_ARB + help + Reserves space in the kernel to maintain resource locking for + multiple GPUS. The overhead for each GPU is very small. + +config VGA_SWITCHEROO + bool "Laptop Hybrid Grapics - GPU switching support" + depends on X86 + depends on ACPI + help + Many laptops released in 2008/9/10 have two gpus with a multiplxer + to switch between them. This adds support for dynamic switching when + X isn't running and delayed switching until the next logoff. This + features is called hybrid graphics, ATI PowerXpress, and Nvidia + HybridPower. |