Commit 7715fdf3 authored by Derek Lai's avatar Derek Lai Committed by Alex Deucher

drm/amd/display: VSC SDP supported for SST

[why]
If a typeC to HDMI dongle supports YCbCr420 pass through and VSC
colorimetry and pixel encoding formats in the Extended Receiver
Capability, we shall allow VSC SDP to be used.

[How]
The Extended Receiver Capability field shall check the
EXTENDED_RECEIVER_CAPABILITY_FIELD_PRESENT bit in the
TRAINING_AUX_RD_INTERVAL register.  Removed DPCD rev checking for VSC
SDP.
Signed-off-by: default avatarDerek Lai <Derek.Lai@amd.com>
Reviewed-by: default avatarWenjing Liu <Wenjing.Liu@amd.com>
Acked-by: default avatarRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: default avatarTony Cheng <Tony.Cheng@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent dc43d958
...@@ -4573,11 +4573,9 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector, ...@@ -4573,11 +4573,9 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
stream->use_vsc_sdp_for_colorimetry = stream->use_vsc_sdp_for_colorimetry =
aconnector->dc_sink->is_vsc_sdp_colorimetry_supported; aconnector->dc_sink->is_vsc_sdp_colorimetry_supported;
} else { } else {
if (stream->link->dpcd_caps.dpcd_rev.raw >= 0x14 && if (stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED)
stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED) {
stream->use_vsc_sdp_for_colorimetry = true; stream->use_vsc_sdp_for_colorimetry = true;
} }
}
mod_build_vsc_infopacket(stream, &stream->vsc_infopacket); mod_build_vsc_infopacket(stream, &stream->vsc_infopacket);
} }
} }
......
...@@ -3376,7 +3376,7 @@ static bool retrieve_link_cap(struct dc_link *link) ...@@ -3376,7 +3376,7 @@ static bool retrieve_link_cap(struct dc_link *link)
link->dpcd_caps.dpcd_rev.raw = link->dpcd_caps.dpcd_rev.raw =
dpcd_data[DP_DPCD_REV - DP_DPCD_REV]; dpcd_data[DP_DPCD_REV - DP_DPCD_REV];
if (link->dpcd_caps.dpcd_rev.raw >= 0x14) { if (link->dpcd_caps.ext_receiver_cap_field_present) {
for (i = 0; i < read_dpcd_retry_cnt; i++) { for (i = 0; i < read_dpcd_retry_cnt; i++) {
status = core_link_read_dpcd( status = core_link_read_dpcd(
link, link,
......
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