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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>
This commit is contained in:
Srinivasan Shanmugam 2023-04-14 01:20:18 +05:30 committed by Alex Deucher
parent 6a929fea7f
commit 88c7ad91e3
2 changed files with 5 additions and 1 deletions
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4
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c
View File

@ -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(&lt_settings->link_settings) ==

2
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_dpia.c
View File

@ -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;
}