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/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index ca8ffec..2469afe 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -124,7 +124,7 @@
 /*
  * GART
  */
-int rv770_pcie_gart_enable(struct radeon_device *rdev)
+static int rv770_pcie_gart_enable(struct radeon_device *rdev)
 {
 	u32 tmp;
 	int r, i;
@@ -175,7 +175,7 @@
 	return 0;
 }
 
-void rv770_pcie_gart_disable(struct radeon_device *rdev)
+static void rv770_pcie_gart_disable(struct radeon_device *rdev)
 {
 	u32 tmp;
 	int i;
@@ -201,7 +201,7 @@
 	radeon_gart_table_vram_unpin(rdev);
 }
 
-void rv770_pcie_gart_fini(struct radeon_device *rdev)
+static void rv770_pcie_gart_fini(struct radeon_device *rdev)
 {
 	radeon_gart_fini(rdev);
 	rv770_pcie_gart_disable(rdev);
@@ -209,7 +209,7 @@
 }
 
 
-void rv770_agp_enable(struct radeon_device *rdev)
+static void rv770_agp_enable(struct radeon_device *rdev)
 {
 	u32 tmp;
 	int i;
@@ -839,7 +839,7 @@
 	}
 }
 
-int rv770_mc_init(struct radeon_device *rdev)
+static int rv770_mc_init(struct radeon_device *rdev)
 {
 	u32 tmp;
 	int chansize, numchan;