[Intel-gfx] [PATCH 03/11] drm/i915/mst: Read out FEC state

[Ville Syrjala]

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