From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> The MST codepath is missing FEC readout. Add it. Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_ddi.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 55f36d9d509c..41cfa28166e4 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3763,6 +3763,11 @@ static void intel_ddi_read_func_ctl(struct intel_encoder *encoder, intel_cpu_transcoder_get_m1_n1(crtc, cpu_transcoder, &pipe_config->dp_m_n); + if (DISPLAY_VER(dev_priv) >= 11) + pipe_config->fec_enable = + intel_de_read(dev_priv, + dp_tp_ctl_reg(encoder, pipe_config)) & DP_TP_CTL_FEC_ENABLE; + pipe_config->infoframes.enable |= intel_hdmi_infoframes_enabled(encoder, pipe_config); break; -- 2.39.2
