drm/radeon: Mark all possible functions / structs as static

Let's allow GCC to optimize better.

This exposed some five unused functions, but this patch doesn't remove them.

Signed-off-by: Lauri Kasanen <cand@gmx.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 3ae7c27..e241506 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -32,7 +32,7 @@
 void r100_cs_dump_packet(struct radeon_cs_parser *p,
 			 struct radeon_cs_packet *pkt);
 
-int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
+static int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
 {
 	struct drm_device *ddev = p->rdev->ddev;
 	struct radeon_cs_chunk *chunk;