drm_mode_object_add
ret = drm_mode_object_add(dev, &crtc->base, DRM_MODE_OBJECT_CRTC);
int drm_mode_object_add(struct drm_device *dev, struct drm_mode_object *obj,
ret = drm_mode_object_add(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER);
if (drm_mode_object_add(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) {
ret = drm_mode_object_add(dev, &plane->base, DRM_MODE_OBJECT_PLANE);
ret = drm_mode_object_add(dev, &property->base, DRM_MODE_OBJECT_PROPERTY);