From: Ville Syrjälä <ville.syrj...@linux.intel.com>
The MST codepath is missing FEC readout. Add it.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
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
