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Diffstat (limited to 'drivers/gpu/vga/Kconfig')
| -rw-r--r-- | drivers/gpu/vga/Kconfig | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/vga/Kconfig b/drivers/gpu/vga/Kconfig new file mode 100644 index 000000000..29437eabe --- /dev/null +++ b/drivers/gpu/vga/Kconfig @@ -0,0 +1,30 @@ +config VGA_ARB + bool "VGA Arbitration" if EXPERT + default y + depends on (PCI && !S390) + help + Some "legacy" VGA devices implemented on PCI typically have the same + hard-decoded addresses as they did on ISA. When multiple PCI devices + 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 Graphics - GPU switching support" + depends on X86 + depends on ACPI + select VGA_ARB + help + Many laptops released in 2008/9/10 have two GPUs with a multiplexer + to switch between them. This adds support for dynamic switching when + X isn't running and delayed switching until the next logoff. This + feature is called hybrid graphics, ATI PowerXpress, and Nvidia + HybridPower. |