struct nv50_head_atom *);
void base507c_release(struct nv50_wndw *, struct nv50_wndw_atom *,
struct nv50_head_atom *);
-void base507c_sema_set(struct nv50_wndw *, struct nv50_wndw_atom *);
-void base507c_sema_clr(struct nv50_wndw *);
-void base507c_ntfy_set(struct nv50_wndw *, struct nv50_wndw_atom *);
+int base507c_sema_set(struct nv50_wndw *, struct nv50_wndw_atom *);
+int base507c_sema_clr(struct nv50_wndw *);
void base507c_ntfy_clr(struct nv50_wndw *);
void base507c_xlut_set(struct nv50_wndw *, struct nv50_wndw_atom *);
void base507c_xlut_clr(struct nv50_wndw *);