drm/amd/display: Revert DP2 MST hub triple display fix

[WHY]
Introduces regression with DP2 native displays

[HOW]
Revert the change

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c
index 38fa7441df51fe9b115853e0524447adcc1e47b8..814dbdcf9a787afd5bf2b4da10fb448441b40e69 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c
@@ -160,13 +160,6 @@ bool is_dp2p0_output_encoder(const struct pipe_ctx *pipe_ctx)
 
        if (pipe_ctx->stream == NULL)
                return false;
-       /* Count MST hubs once by treating only 1st remote sink in topology as an encoder */
-       if (pipe_ctx->stream->link && pipe_ctx->stream->link->remote_sinks[0]) {
-                       return (pipe_ctx->stream_res.hpo_dp_stream_enc &&
-                               pipe_ctx->link_res.hpo_dp_link_enc &&
-                               dc_is_dp_signal(pipe_ctx->stream->signal) &&
-                               (pipe_ctx->stream->link->remote_sinks[0] == pipe_ctx->stream->sink));
-       }
 
        return (pipe_ctx->stream_res.hpo_dp_stream_enc &&
                pipe_ctx->link_res.hpo_dp_link_enc &&