DRM_DP_BW_OVERHEAD_UHBR
int symbol_size = flags & DRM_DP_BW_OVERHEAD_UHBR ? 32 : 8;
WARN_ON((flags & DRM_DP_BW_OVERHEAD_UHBR) &&
flags |= intel_dp_is_uhbr(crtc_state) ? DRM_DP_BW_OVERHEAD_UHBR : 0;