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drm/amd/display: Secondary display goes blank on Non DCN31

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[Why]
Due to integration issues with branch merging,
a regression happened that prevented secondary
displays from lighting up or enabling certain features

[How]
Separated the new logic to be for DCN31 only and retained
pre DCN31 logic for all other ASICs

Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Ahmad Othman <Ahmad.Othman@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ahmad Othman
2021-11-01 12:07:00 -04:00
committed by Alex Deucher
parent d25e35bc26
commit c09bb36dd1
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/display/dc/core/dc_link.c
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@@ -3997,7 +3997,8 @@ static void update_psp_stream_config(struct pipe_ctx *pipe_ctx, bool dpms_off)
config.phy_idx = link_enc->transmitter - TRANSMITTER_UNIPHY_A;
// Add flag to guard new A0 DIG mapping
if (pipe_ctx->stream->ctx->dc->enable_c20_dtm_b0 == true) {
if (pipe_ctx->stream->ctx->dc->enable_c20_dtm_b0 == true &&
pipe_ctx->stream->link->dc->ctx->dce_version == DCN_VERSION_3_1) {
config.dig_be = link_enc->preferred_engine;
config.dio_output_type = pipe_ctx->stream->link->ep_type;
config.dio_output_idx = link_enc->transmitter - TRANSMITTER_UNIPHY_A;