drm/amd/display: Add logging when DP link training Channel EQ is Successful

Log when Channel Equalization is successful.

Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Cc: Fangzhi Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.c

@@ -211,11 +211,17 @@ enum link_training_result dp_perform_128b_132b_link_training(
 
 	dpcd_set_link_settings(link, lt_settings);
 
-	if (result == LINK_TRAINING_SUCCESS)
+	if (result == LINK_TRAINING_SUCCESS) {
 		result = dp_perform_128b_132b_channel_eq_done_sequence(link, link_res, lt_settings);
+		if (result == LINK_TRAINING_SUCCESS)
+			DC_LOG_HW_LINK_TRAINING("%s: Channel EQ done.\n", __func__);
+	}
 
-	if (result == LINK_TRAINING_SUCCESS)
+	if (result == LINK_TRAINING_SUCCESS) {
 		result = dp_perform_128b_132b_cds_done_sequence(link, link_res, lt_settings);
+		if (result == LINK_TRAINING_SUCCESS)
+			DC_LOG_HW_LINK_TRAINING("%s: CDS done.\n", __func__);
+	}
 
 	return result;
 }

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

@@ -388,6 +388,8 @@ enum link_training_result dp_perform_8b_10b_link_training(
 					link_res,
 					lt_settings,
 					repeater_id);
+			if (status == LINK_TRAINING_SUCCESS)
+				DC_LOG_HW_LINK_TRAINING("%s: Channel EQ done.\n", __func__);
 
 			repeater_training_done(link, repeater_id);
 
@@ -409,6 +411,8 @@ enum link_training_result dp_perform_8b_10b_link_training(
 					link_res,
 					lt_settings,
 					DPRX);
+			if (status == LINK_TRAINING_SUCCESS)
+				DC_LOG_HW_LINK_TRAINING("%s: Channel EQ done.\n", __func__);
 		}
 	}