diff options
| author | Leo (Hanghong) Ma <hanghong.ma@amd.com> | 2021-08-15 14:17:25 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-09-14 15:57:09 -0400 |
| commit | 3550d6225b1ff8ce0429ad889848dc789edf56e8 (patch) | |
| tree | b709d630fbb8edc2d44c2a1b346bdad1376c3183 /drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | |
| parent | b25715a0155dc2b4efb1700aea829eac10832514 (diff) | |
drm/amd/display: Add DPCD writes at key points
This reverts commit "Revert "Add DPCD writes at key points" ".
The following patch will fix the system hang issue.
v2: squash in indentation warning fix
Signed-off-by: Leo (Hanghong) Ma <hanghong.ma@amd.com>
Acked-by: Mikita Lipski <mikita.lipski@amd.com>
Reviewed-by: Aric Cyr <aric.cyr@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index e412a096a4b8..3b68d7740498 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -2370,11 +2370,11 @@ bool perform_link_training_with_retries( /* We need to do this before the link training to ensure the idle pattern in SST * mode will be sent right after the link training */ -#if defined(CONFIG_DRM_AMD_DC_DCN) - if (dp_get_link_encoding_format(¤t_setting) == DP_8b_10b_ENCODING) -#endif + if (dp_get_link_encoding_format(¤t_setting) == DP_8b_10b_ENCODING) { link_enc->funcs->connect_dig_be_to_fe(link_enc, pipe_ctx->stream_res.stream_enc->id, true); + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_BE); + } for (j = 0; j < attempts; ++j) { @@ -5267,7 +5267,7 @@ bool dc_link_dp_set_test_pattern( * MuteAudioEndpoint(pPathMode->pDisplayPath, true); */ /* Blank stream */ - pipes->stream_res.stream_enc->funcs->dp_blank(pipe_ctx->stream_res.stream_enc); + pipes->stream_res.stream_enc->funcs->dp_blank(link, pipe_ctx->stream_res.stream_enc); } dp_set_hw_test_pattern(link, test_pattern, |