nvkm_instmem_rd32
u32 nvkm_instmem_rd32(struct nvkm_instmem *, u32 addr);
u32 dma0 = nvkm_instmem_rd32(imem, inst + 0);
u32 dma1 = nvkm_instmem_rd32(imem, inst + 4);
u32 dma2 = nvkm_instmem_rd32(imem, inst + 8);