drm: Silence some sparse warnings

drivers/gpu/drm/drm_pci.c:155:5: warning: symbol 'drm_pci_set_busid' was not declared. Should it be static?
drivers/gpu/drm/drm_pci.c:197:5: warning: symbol 'drm_pci_set_unique' was not declared. Should it be static?
drivers/gpu/drm/drm_pci.c:269:5: warning: symbol 'drm_pci_agp_init' was not declared. Should it be static?

drivers/gpu/drm/drm_crtc.c:181:1: warning: symbol 'drm_get_dirty_info_name' was not declared. Should it be static?
drivers/gpu/drm/drm_crtc.c:1123:5: warning: symbol 'drm_mode_group_init' was not declared. Should it be static?

drivers/gpu/drm/drm_modes.c:918:6: warning: symbol 'drm_mode_validate_clocks' was not declared. Should it be static?

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index c577bae..287cd82 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -178,9 +178,6 @@
 	{ DRM_MODE_DIRTY_ANNOTATE, "Annotate" },
 };
 
-DRM_ENUM_NAME_FN(drm_get_dirty_info_name,
-		 drm_dirty_info_enum_list)
-
 struct drm_conn_prop_enum_list {
 	int type;
 	char *name;
@@ -1120,7 +1117,7 @@
 }
 EXPORT_SYMBOL(drm_mode_create_dirty_info_property);
 
-int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group)
+static int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group)
 {
 	uint32_t total_objects = 0;