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drm/amd/display: Use VCP for extended colorimetry

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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 <aric.cyr@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Aric Cyr 2019-05-01 17:05:05 -04:00 committed by Alex Deucher
parent 2da4605dce
commit b33171ccaa
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c
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@ -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