]> www.infradead.org Git - users/jedix/linux-maple.git/commitdiff
Revert "drm/amd/display: Fix DCN3 B0 DP Alt Mapping"
authorStylon Wang <stylon.wang@amd.com>
Wed, 4 May 2022 10:09:44 +0000 (18:09 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 10 May 2022 21:53:13 +0000 (17:53 -0400)
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>
drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c

index f3ef52350b033fee0f9aa7e97a2bb6b4f28e1331..ccf1b71a82697621d9bf0fd0771ee0f82bccfd2c 100644 (file)
@@ -1248,12 +1248,6 @@ static struct stream_encoder *dcn31_stream_encoder_create(
                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],