NV_PFIFO_INTR_CACHE_ERROR
nvkm_wr32(device, NV03_PFIFO_INTR_0, NV_PFIFO_INTR_CACHE_ERROR);
nvkm_wr32(device, NV03_PFIFO_INTR_0, NV_PFIFO_INTR_CACHE_ERROR);
if (stat & NV_PFIFO_INTR_CACHE_ERROR) {
stat &= ~NV_PFIFO_INTR_CACHE_ERROR;