nvkm_runl_chan_get_chid
return nvkm_runl_chan_get_chid(runl, id, pirqflags);
chan = nvkm_runl_chan_get_chid(runl, chid, &flags);
chan = nvkm_runl_chan_get_chid(runl, chid, &flags);
chan = nvkm_runl_chan_get_chid(engn->runl, id, pirqflags);
struct nvkm_chan *nvkm_runl_chan_get_chid(struct nvkm_runl *, int chid, unsigned long *irqflags);