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drm/amd/display: DSC passthrough is for DP-HDMI pcon (SST pcon)

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if check over DSC passthrough is removed, as this is not for
MST use case. It is for DP-HDMI pcon use case. sst pcon is
detected as sst not mst. In sst pcon dsc passthrough message
will not get below log printed

Fixes: 9b035d0890 ("drm/amd/display: Check & log if receiver supports MST, DSC & FEC.")
Suggested-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Srinivasan Shanmugam
2023-04-22 06:50:14 +05:30
committed by Alex Deucher
parent 59e9fff198
commit 27e6be5d75
1 changed files with 2 additions and 3 deletions
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5
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
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@@ -1820,9 +1820,8 @@ static bool retrieve_link_cap(struct dc_link *link)
str_yes_no(is_fec_supported));
DC_LOG_DC("%s: DSC_Basic_Sink_Support: %s\n", __func__,
str_yes_no(is_dsc_basic_supported));
if (link->dpcd_caps.is_mst_capable)
DC_LOG_DC("%s: DSC_Passthrough_Sink_Support: %s\n", __func__,
str_yes_no(is_dsc_passthrough_supported));
DC_LOG_DC("%s: DSC_Passthrough_Sink_Support: %s\n", __func__,
str_yes_no(is_dsc_passthrough_supported));
}
if (link->dpcd_caps.dongle_type != DISPLAY_DONGLE_NONE) {
status = core_link_read_dpcd(