drm/i915: Add state readout for DP HDR Metadata Infoframe SDP

Added state readout for DP HDR Metadata Infoframe SDP.

v9: Rebased
v10: Rebased

Signed-off-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200514060732.3378396-9-gwan-gyeong.mun@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 75c7ffb..f2bb752 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -4234,6 +4234,9 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
                                    pipe_config->fec_enable);
                }
 
+               pipe_config->infoframes.enable |=
+                       intel_hdmi_infoframes_enabled(encoder, pipe_config);
+
                break;
        case TRANS_DDI_MODE_SELECT_DP_MST:
                pipe_config->output_types |= BIT(INTEL_OUTPUT_DP_MST);
@@ -4245,6 +4248,9 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
                                        REG_FIELD_GET(TRANS_DDI_MST_TRANSPORT_SELECT_MASK, temp);
 
                intel_dp_get_m_n(intel_crtc, pipe_config);
+
+               pipe_config->infoframes.enable |=
+                       intel_hdmi_infoframes_enabled(encoder, pipe_config);
                break;
        default:
                break;
@@ -4299,6 +4305,8 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
 
        if (INTEL_GEN(dev_priv) >= 8)
                bdw_get_trans_port_sync_config(pipe_config);
+
+       intel_read_dp_sdp(encoder, pipe_config, HDMI_PACKET_TYPE_GAMUT_METADATA);
 }
 
 static enum intel_output_type