drm: drivers/char/drm/: make some functions static

From: Adrian Bunk <bunk@stusta.de>

This patch makes some needlessly global functions static.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c
index cc1b890..ae0aa6d 100644
--- a/drivers/char/drm/i810_dma.c
+++ b/drivers/char/drm/i810_dma.c
@@ -958,7 +958,7 @@
 }
 
 /* Must be called with the lock held */
-void i810_reclaim_buffers(drm_device_t * dev, struct file *filp)
+static void i810_reclaim_buffers(drm_device_t * dev, struct file *filp)
 {
 	drm_device_dma_t *dma = dev->dma;
 	int i;