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-rw-r--r--drivers/gpu/vga/Kconfig8
-rw-r--r--drivers/gpu/vga/vgaarb.c2
2 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/vga/Kconfig b/drivers/gpu/vga/Kconfig
index 790e675b13eb..0920492cea0a 100644
--- a/drivers/gpu/vga/Kconfig
+++ b/drivers/gpu/vga/Kconfig
@@ -8,3 +8,11 @@ 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.
diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index ba7fa9ee54dc..325a53364211 100644
--- a/drivers/gpu/vga/vgaarb.c
+++ b/drivers/gpu/vga/vgaarb.c
@@ -688,7 +688,7 @@ EXPORT_SYMBOL(vga_client_register);
* the arbiter.
*/
-#define MAX_USER_CARDS 16
+#define MAX_USER_CARDS CONFIG_VGA_ARB_MAX_GPUS
#define PCI_INVALID_CARD ((struct pci_dev *)-1UL)
/*