nvkm_mo32
nvkm_mo32(chan->inst, 0x218, 0x00000000, 0x00000000);
nvkm_mo32(chan->inst, 0x0ac, 0x00010000, cctx ? 0x00010000 : 0x00000000);
nvkm_mo32(chan->inst, 0x0ac, 0x00020000, cctx ? 0x00020000 : 0x00000000);
nvkm_mo32(chan->inst, 0x218, 0x00000000, 0x00000000);
nvkm_mo32(*pgpuobj, 0x00, 0x00080000, 0x00080000);
nvkm_mo32(*pgpuobj, 0x08, 0x01000000, 0x01000000);