Commit 88c7ad91 authored by Srinivasan Shanmugam's avatar Srinivasan Shanmugam Committed by Alex Deucher
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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: default avatarSrinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: default avatarAurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 6a929fea

drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c

+3 −1
Original line number Diff line number Diff line
@@ -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) ==

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

+2 −0
Original line number Diff line number Diff line
@@ -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;

		}