HIBMC_DP_LINK_RATE_CAL
rate_ks = dp->link.cap.link_rate * HIBMC_DP_LINK_RATE_CAL;
fclk = dp->link.cap.link_rate * HIBMC_DP_LINK_RATE_CAL;
rate ? rate * HIBMC_DP_LINK_RATE_CAL * 10 : 162);