Add some more logging for DP link traning test pattern seqeunces
for better debugging.
Cc: Jerry Zuo <jerry.zuo@xxxxxxx>
Cc: Harry Wentland <harry.wentland@xxxxxxx>
Cc: Leo Li <sunpeng.li@xxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@xxxxxxx>
---
.../drm/amd/display/dc/link/protocols/link_dp_training.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c
index 70fc0ddf2d7e..265233979cf8 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c
+++ b/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:
--
2.25.1
