This reverts commit 
4b7786d87fb3adf3e534c4f1e4f824d8700b786b.
Commit 
4b7786d87fb3 ("drm/amd/display: Fix DCN3 B0 DP Alt Mapping")
is causing 2nd USB-C display not lighting up.
Phy id remapping is done differently than is assumed in this
patch.
Signed-off-by: Stylon Wang <stylon.wang@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
                return NULL;
        }
 
-       if (ctx->asic_id.chip_family == FAMILY_YELLOW_CARP &&
-                       ctx->asic_id.hw_internal_rev == YELLOW_CARP_B0) {
-               if ((eng_id == ENGINE_ID_DIGC) || (eng_id == ENGINE_ID_DIGD))
-                       eng_id = eng_id + 3; // For B0 only. C->F, D->G.
-       }
-
        dcn30_dio_stream_encoder_construct(enc1, ctx, ctx->dc_bios,
                                        eng_id, vpg, afmt,
                                        &stream_enc_regs[eng_id],