drm: Export drm_property_replace_global_blob

It's really part of the core blob interface, and the drm_connector.c
extraction needs it too.
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1471034937-651-13-git-send-email-daniel.vetter@ffwll.ch

drivers/gpu/drm/drm_crtc.c

@@ -3761,7 +3761,7 @@ EXPORT_SYMBOL(drm_property_lookup_blob);
  * a completely atomic update. The access to path_blob_ptr is protected by the
  * caller holding a lock on the connector.
  */
-static int drm_property_replace_global_blob(struct drm_device *dev,
+int drm_property_replace_global_blob(struct drm_device *dev,
 				     struct drm_property_blob **replace,
 				     size_t length,
 				     const void *data,
@@ -3805,6 +3805,7 @@ static int drm_property_replace_global_blob(struct drm_device *dev,
 	drm_property_unreference_blob(new_blob);
 	return ret;
 }
+EXPORT_SYMBOL(drm_property_replace_global_blob);
 
 /**
  * drm_mode_getblob_ioctl - get the contents of a blob property value

include/drm/drm_crtc.h

@@ -2808,6 +2808,12 @@ struct drm_property_blob *drm_property_create_blob(struct drm_device *dev,
                                                    const void *data);
 struct drm_property_blob *drm_property_lookup_blob(struct drm_device *dev,
                                                    uint32_t id);
+int drm_property_replace_global_blob(struct drm_device *dev,
+				     struct drm_property_blob **replace,
+				     size_t length,
+				     const void *data,
+				     struct drm_mode_object *obj_holds_id,
+				     struct drm_property *prop_holds_id);
 struct drm_property_blob *drm_property_reference_blob(struct drm_property_blob *blob);
 void drm_property_unreference_blob(struct drm_property_blob *blob);
 extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);