summaryrefslogtreecommitdiff
path: root/drivers/gpu/vga/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/vga/Kconfig')
-rw-r--r--drivers/gpu/vga/Kconfig30
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.