From b33171ccaabeffa40df9744656d8d523ceb2b612 Mon Sep 17 00:00:00 2001 From: Aric Cyr Date: Wed, 1 May 2019 17:05:05 -0400 Subject: [PATCH] drm/amd/display: Use VCP for extended colorimetry DPRX should send the VCP extended colorimetry packet if the sink supports DPCD rev1.4 and reports the extended colorimetry bit. Signed-off-by: Aric Cyr Reviewed-by: Anthony Koo Acked-by: Bhawanpreet Lakha Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c index db06fab2ad5c..bc13c552797f 100644 --- a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c +++ b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c @@ -63,7 +63,9 @@ void mod_build_vsc_infopacket(const struct dc_stream_state *stream, if (stream->psr_version != 0) vscPacketRevision = 2; - if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) + /* Update to revision 5 for extended colorimetry support for DPCD 1.4+ */ + if (stream->link->dpcd_caps.dpcd_rev.raw >= 0x14 && + stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED) vscPacketRevision = 5; /* VSC packet not needed based on the features -- 2.30.2