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authorAric Cyr2019-05-01 23:05:05 +0200
committerAlex Deucher2019-05-24 19:21:00 +0200
commitb33171ccaabeffa40df9744656d8d523ceb2b612 (patch)
tree0584e76b7cad803e46e3f1349f756faf281aa381 /drivers/gpu/drm/amd/display/modules
parentdrm/amd/display: Use DCN functions instead of DCE (diff)
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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: 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>
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules')
-rw-r--r--drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c4
1 files changed, 3 insertions, 1 deletions
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