gf100_ram_ctor
int gf100_ram_ctor(const struct nvkm_ram_func *, struct nvkm_fb *,
ret = gf100_ram_ctor(func, fb, &ram->base);
ret = gf100_ram_ctor(func, fb, &ram->base);
return gf100_ram_ctor(&gp100_ram, fb, ram);