From: Ahmad Othman <Ahmad.Othman@xxxxxxx>
[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@xxxxxxx>
Acked-by: Wayne Lin <wayne.lin@xxxxxxx>
Signed-off-by: Ahmad Othman <Ahmad.Othman@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/core/dc_link.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 2e2dcd5518da..8a8a5aead34d 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -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;
--
2.25.1
