diff options
| author | Paul Hsieh <paul.hsieh@amd.com> | 2019-11-01 09:41:37 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-12-06 00:27:23 +0300 |
| commit | 832aa63bef346fc6a58bf46412036d368142fddf (patch) | |
| tree | 3a80be2f9ee5dd70e906c8a70fcc3d8a7bea6f97 /drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c | |
| parent | a4cea11655fbc5246fb5a066588e1589e9cfefa5 (diff) | |
| download | linux-832aa63bef346fc6a58bf46412036d368142fddf.tar.xz | |
drm/amd/display: Reset PHY in link re-training
[Why]
Link training failed randomly when plugging USB-C display in/out.
[How]
If link training failed, reset PHY in link re-training.
Signed-off-by: Paul Hsieh <paul.hsieh@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c index 67ce12df23f1..548aac02ca11 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c @@ -333,20 +333,12 @@ void dp_retrain_link_dp_test(struct dc_link *link, memset(&link->cur_link_settings, 0, sizeof(link->cur_link_settings)); - link->link_enc->funcs->enable_dp_output( - link->link_enc, - link_setting, - pipes[i].clock_source->id); - link->cur_link_settings = *link_setting; - - dp_receiver_power_ctrl(link, true); - perform_link_training_with_retries( - link, link_setting, skip_video_pattern, - LINK_TRAINING_ATTEMPTS); - + LINK_TRAINING_ATTEMPTS, + &pipes[i], + SIGNAL_TYPE_DISPLAY_PORT); link->dc->hwss.enable_stream(&pipes[i]); |