drm/nouveau/fifo/gk104-: translate engidx into human-readable name in debug output

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c

@@ -616,8 +616,8 @@ gk104_fifo_oneinit(struct nvkm_fifo *base)
 			}
 		}
 
-		nvkm_debug(subdev, "engine %2d: runlist %2d pbdma %2d\n",
-			   engn, runl, pbid);
+		nvkm_debug(subdev, "engine %2d: runlist %2d pbdma %2d (%s)\n",
+			   engn, runl, pbid, nvkm_subdev_name[engidx]);
 
 		fifo->engine[engn].engine = nvkm_device_engine(device, engidx);
 		fifo->engine[engn].runl = runl;