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-rw-r--r--drivers/gpu/vga/Kconfig19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/vga/Kconfig b/drivers/gpu/vga/Kconfig
index 790e675b13e..61ab4daf0bb 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.