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drm/i915/mst: Read out FEC state

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The MST codepath is missing FEC readout. Add it.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230502143906.2401-4-ville.syrjala@linux.intel.com
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Ville Syrjälä
2023-05-02 17:38:58 +03:00
parent 6b711386d1
commit cbbfe91508
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/i915/display/intel_ddi.c
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@@ -3762,6 +3762,11 @@ 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;