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/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 90366e3..ef47879 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1121,7 +1121,7 @@
 	}
 }
 
-int evergreen_pcie_gart_enable(struct radeon_device *rdev)
+static int evergreen_pcie_gart_enable(struct radeon_device *rdev)
 {
 	u32 tmp;
 	int r;
@@ -1180,7 +1180,7 @@
 	return 0;
 }
 
-void evergreen_pcie_gart_disable(struct radeon_device *rdev)
+static void evergreen_pcie_gart_disable(struct radeon_device *rdev)
 {
 	u32 tmp;
 
@@ -1205,7 +1205,7 @@
 	radeon_gart_table_vram_unpin(rdev);
 }
 
-void evergreen_pcie_gart_fini(struct radeon_device *rdev)
+static void evergreen_pcie_gart_fini(struct radeon_device *rdev)
 {
 	evergreen_pcie_gart_disable(rdev);
 	radeon_gart_table_vram_free(rdev);
@@ -1213,7 +1213,7 @@
 }
 
 
-void evergreen_agp_enable(struct radeon_device *rdev)
+static void evergreen_agp_enable(struct radeon_device *rdev)
 {
 	u32 tmp;
 
@@ -1556,7 +1556,7 @@
 	return 0;
 }
 
-int evergreen_cp_resume(struct radeon_device *rdev)
+static int evergreen_cp_resume(struct radeon_device *rdev)
 {
 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
 	u32 tmp;
@@ -2709,7 +2709,7 @@
 	}
 }
 
-void evergreen_irq_disable(struct radeon_device *rdev)
+static void evergreen_irq_disable(struct radeon_device *rdev)
 {
 	r600_disable_interrupts(rdev);
 	/* Wait and acknowledge irq */