From: Ville Syrjälä Date: Tue, 2 May 2023 14:38:58 +0000 (+0300) Subject: drm/i915/mst: Read out FEC state X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=cbbfe9150857253216e519d85d7b4ff2b56558c2;p=users%2Fjedix%2Flinux-maple.git drm/i915/mst: Read out FEC state The MST codepath is missing FEC readout. Add it. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20230502143906.2401-4-ville.syrjala@linux.intel.com Reviewed-by: Luca Coelho --- diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 690e1e02aba8..4794beeeba9a 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -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;