viogpu_create_2d
if (viogpu_create_2d(sc, 1, sc->sc_fb_width, sc->sc_fb_height) != 0)
int viogpu_create_2d(struct viogpu_softc *, int, int, int);
error = viogpu_create_2d(sc, 1, sc->sc_fb_width, sc->sc_fb_height);