nvkm_rdaux
ret = nvkm_rdaux(outp->dp.aux, addr, <->stat[0], 3);
ret = nvkm_rdaux(outp->dp.aux, addr, <->stat[4], 2);
ret = nvkm_rdaux(outp->dp.aux, DPCD_LS0C, <->pc2stat, 1);
nvkm_rdaux(outp->dp.aux, addr, &sink_tp, 1);
if (!nvkm_rdaux(aux, DPCD_LTTPR_AUX_RD_INTERVAL(lt->repeater), &data, sizeof(data)))
ret = nvkm_rdaux(outp->dp.aux, DPCD_LC15_LINK_RATE_SET, &sink[0], sizeof(sink[0]));
int ret = nvkm_rdaux(aux, addr, &data, 1);