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authorSrinivasan Shanmugam <srinivasan.shanmugam@amd.com>2023-04-07 14:22:53 +0530
committerAlex Deucher <alexander.deucher@amd.com>2023-04-11 18:03:45 -0400
commit3e3320a7d96c1a5c66b60fbabb38af1f4c4fae1a (patch)
tree228b60871a62640db8e58ff2196aa4aeab9ef81b /drivers/gpu
parent58bc2a9cbfdd4abdbfaafd835a0cd78bdad11423 (diff)
downloadlwn-3e3320a7d96c1a5c66b60fbabb38af1f4c4fae1a.tar.gz
lwn-3e3320a7d96c1a5c66b60fbabb38af1f4c4fae1a.zip
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c9
1 files changed, 9 insertions, 0 deletions
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 2d067a4a8517..170f33835930 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: