[PATCH] vgaarb: wrap the client register API so we can disable VGA ARB.

[Dave Airlie]

This provides an dummy register function so everything builds
if VGA arb is turned off.

Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
---
 include/linux/vgaarb.h |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h
index e81c64a..b0feb79 100644
--- a/include/linux/vgaarb.h
+++ b/include/linux/vgaarb.h
@@ -41,7 +41,7 @@
  *     interrupts at any time.
  */
 extern void vga_set_legacy_decoding(struct pci_dev *pdev,
-									unsigned int decodes);
+				    unsigned int decodes);
 
 /**
  *     vga_get         - acquire & locks VGA resources
@@ -193,8 +193,17 @@ static inline int vga_conflicts(struct pci_dev *p1, struct pci_dev *p2)
  * They driver will get a callback when VGA arbitration is first used
  * by userspace since we some older X servers have issues.
  */
+#if defined(CONFIG_VGA_ARB)
 int vga_client_register(struct pci_dev *pdev, void *cookie,
 			void (*irq_set_state)(void *cookie, bool state),
 			unsigned int (*set_vga_decode)(void *cookie, bool state));
+#else
+static inline int vga_client_register(struct pci_dev *pdev, void *cookie,
+				      void (*irq_set_state)(void *cookie, bool state),
+				      unsigned int (*set_vga_decode)(void *cookie, bool state));
+{
+	return 0;
+}
+#endif
 
 #endif /* LINUX_VGA_H */
-- 
1.6.0.6

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