nvkm_wait_msec
taken = nvkm_wait_msec(device, 2000, 0x70004, 0x00000003, 0x00000000);
taken = nvkm_wait_msec(device, 2000, 0x70010, 0x00000003, 0x00000000);
nvkm_wait_msec(device, 2000, addr,