On Thu, 19 Aug 2021, Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> wrote: > On Wed, Aug 18, 2021 at 09:10:48PM +0300, Jani Nikula wrote: >> UHBR rates and 128b/132b channel encoding go hand in hand. >> >> Reviewed-by: Manasi Navare <manasi.d.navare@xxxxxxxxx> >> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> >> --- >> drivers/gpu/drm/i915/display/intel_dp_link_training.c | 3 ++- >> 1 file changed, 2 insertions(+), 1 deletion(-) >> >> diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c >> index 031c753fca56..01f0adc585d0 100644 >> --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c >> +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c >> @@ -495,7 +495,8 @@ intel_dp_prepare_link_train(struct intel_dp *intel_dp, >> &rate_select, 1); >> >> link_config[0] = crtc_state->vrr.enable ? DP_MSA_TIMING_PAR_IGNORE_EN : 0; >> - link_config[1] = DP_SET_ANSI_8B10B; >> + link_config[1] = crtc_state->port_clock > 1000000 ? > > Should this be >= ? Yes, whoops, thanks! > >> + DP_SET_ANSI_128B132B : DP_SET_ANSI_8B10B; >> drm_dp_dpcd_write(&intel_dp->aux, DP_DOWNSPREAD_CTRL, link_config, 2); >> >> intel_dp->DP |= DP_PORT_EN; >> -- >> 2.20.1 -- Jani Nikula, Intel Open Source Graphics Center