nvkm_wo64
nvkm_wo64((m)->memory, (m)->base + _pteo + 0, (lo)); \
nvkm_wo64((m)->memory, (m)->base + _pteo + 8, (hi)); \
nvkm_wo64(inst, 0x0200, base);
nvkm_wo64(inst, 0x0208, vmm->limit - 1);
nvkm_wo64(join->inst, pdeo, data);
nvkm_wo64(join->inst, pd_offset + (pdei * 8), data);