extern struct nouveau_oclass nvaa_ram_oclass;
extern struct nouveau_oclass nvc0_ram_oclass;
extern struct nouveau_oclass nve0_ram_oclass;
+extern struct nouveau_oclass gm107_ram_oclass;
int nouveau_sddr3_calc(struct nouveau_ram *ram);
int nouveau_gddr5_calc(struct nouveau_ram *ram, bool nuts);