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| author | Srinivasan Shanmugam <srinivasan.shanmugam@amd.com> | 2023-04-14 01:20:18 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-04-14 13:47:49 -0400 |
| commit | 88c7ad91e378775a08f54b4a85068d51b5cf52f3 (patch) | |
| tree | 2a3adcb1c4339c143b4319102cb94371642668d2 /drivers/gpu | |
| parent | 6a929fea7f80fc968f26baceecfdb5129d159c98 (diff) | |
| download | lwn-88c7ad91e378775a08f54b4a85068d51b5cf52f3.tar.gz lwn-88c7ad91e378775a08f54b4a85068d51b5cf52f3.zip | |
drm/amd/display: Add logging when DP link training Clock recovery is Successful
Log when Clock recovery is successful, as part of
DP link training process.
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Cc: Fangzhi Zuo <Jerry.Zuo@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_dpia.c | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c index 14b98e096d39..3889ebb2256b 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c @@ -225,8 +225,10 @@ enum link_training_result perform_8b_10b_clock_recovery_sequence( offset); /* 5. check CR done*/ - if (dp_is_cr_done(lane_count, dpcd_lane_status)) + if (dp_is_cr_done(lane_count, dpcd_lane_status)) { + DC_LOG_HW_LINK_TRAINING("%s: Clock recovery OK\n", __func__); return LINK_TRAINING_SUCCESS; + } /* 6. max VS reached*/ if ((link_dp_get_encoding_format(<_settings->link_settings) == diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_dpia.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_dpia.c index ab4aafdb5e5c..4f4e899e5c46 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_dpia.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_dpia.c @@ -401,6 +401,7 @@ static enum link_training_result dpia_training_cr_non_transparent( /* Check if clock recovery successful. */ if (dp_is_cr_done(lane_count, dpcd_lane_status)) { + DC_LOG_HW_LINK_TRAINING("%s: Clock recovery OK\n", __func__); result = LINK_TRAINING_SUCCESS; break; } @@ -508,6 +509,7 @@ static enum link_training_result dpia_training_cr_transparent( /* Check if clock recovery successful. */ if (dp_is_cr_done(lane_count, dpcd_lane_status)) { + DC_LOG_HW_LINK_TRAINING("%s: Clock recovery OK\n", __func__); result = LINK_TRAINING_SUCCESS; break; } |