nv04_dfp_get_bound_head
nv04_dfp_get_bound_head(dev, nv_encoder->dcb);
nv04_dfp_get_bound_head(dev, nv_encoder->dcb);
int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_output *dcbent);
nv04_dfp_get_bound_head(dev, dcb) == head) {