drm/amd/display: Add logging for DP link traning Test Pattern Seqeunces

Add some more logging for DP link traning test pattern seqeunces
for better debugging.

Cc: Fangzhi Zuo <Jerry.Zuo@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Leo Li <sunpeng.li@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -212,27 +212,36 @@ enum dpcd_training_patterns
 
 	switch (pattern) {
 	case DP_TRAINING_PATTERN_SEQUENCE_1:
+		DC_LOG_HW_LINK_TRAINING("%s: Using DP training pattern TPS1\n", __func__);
 		dpcd_tr_pattern = DPCD_TRAINING_PATTERN_1;
 		break;
 	case DP_TRAINING_PATTERN_SEQUENCE_2:
+		DC_LOG_HW_LINK_TRAINING("%s: Using DP training pattern TPS2\n", __func__);
 		dpcd_tr_pattern = DPCD_TRAINING_PATTERN_2;
 		break;
 	case DP_TRAINING_PATTERN_SEQUENCE_3:
+		DC_LOG_HW_LINK_TRAINING("%s: Using DP training pattern TPS3\n", __func__);
 		dpcd_tr_pattern = DPCD_TRAINING_PATTERN_3;
 		break;
 	case DP_TRAINING_PATTERN_SEQUENCE_4:
+		DC_LOG_HW_LINK_TRAINING("%s: Using DP training pattern TPS4\n", __func__);
 		dpcd_tr_pattern = DPCD_TRAINING_PATTERN_4;
 		break;
 	case DP_128b_132b_TPS1:
+		DC_LOG_HW_LINK_TRAINING("%s: Using DP 128b/132b training pattern TPS1\n", __func__);
 		dpcd_tr_pattern = DPCD_128b_132b_TPS1;
 		break;
 	case DP_128b_132b_TPS2:
+		DC_LOG_HW_LINK_TRAINING("%s: Using DP 128b/132b training pattern TPS2\n", __func__);
 		dpcd_tr_pattern = DPCD_128b_132b_TPS2;
 		break;
 	case DP_128b_132b_TPS2_CDS:
+		DC_LOG_HW_LINK_TRAINING("%s: Using DP 128b/132b training pattern TPS2 CDS\n",
+					__func__);
 		dpcd_tr_pattern = DPCD_128b_132b_TPS2_CDS;
 		break;
 	case DP_TRAINING_PATTERN_VIDEOIDLE:
+		DC_LOG_HW_LINK_TRAINING("%s: Using DP training pattern videoidle\n", __func__);
 		dpcd_tr_pattern = DPCD_TRAINING_PATTERN_VIDEOIDLE;
 		break;
 	default: