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Commit b33171cc authored by Aric Cyr's avatar Aric Cyr Committed by Alex Deucher
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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: default avatarAric Cyr <aric.cyr@amd.com>
Reviewed-by: default avatarAnthony Koo <Anthony.Koo@amd.com>
Acked-by: default avatarBhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 2da4605d

drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c

+3 −1
Original line number Diff line number Diff line
@@ -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