diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index b51f244ad7a5..0d6e494b4508 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -1794,10 +1794,8 @@ void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state, * of Color Encoding Format and Content Color Gamut] while sending * YCBCR 420, HDR BT.2020 signals we should program MSA MISC1 fields * which indicate VSC SDP for the Pixel Encoding/Colorimetry Format. - * - * FIXME MST doesn't pass in the conn_state */ - if (conn_state && intel_dp_needs_vsc_sdp(crtc_state, conn_state)) + if (intel_dp_needs_vsc_sdp(crtc_state, conn_state)) temp |= DP_MSA_MISC_COLOR_VSC_SDP; I915_WRITE(TRANS_MSA_MISC(cpu_transcoder), temp); @@ -3605,7 +3603,11 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder, else hsw_ddi_pre_enable_dp(encoder, crtc_state, conn_state); - intel_ddi_set_dp_msa(crtc_state, conn_state); + /* MST will call a setting of MSA after an allocating of Virtual Channel + * from MST encoder pre_enable callback. + */ + if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) + intel_ddi_set_dp_msa(crtc_state, conn_state); } static void intel_ddi_pre_enable_hdmi(struct intel_encoder *encoder, |