[AMD Official Use Only - General]
-----Original Message----- From: SHANMUGAM, SRINIVASAN <[email protected]> Sent: Monday, April 10, 2023 11:02 PM To: Wentland, Harry <[email protected]>; Zuo, Jerry <[email protected]>; Li, Sun peng (Leo) <[email protected]>; Deucher, Alexander <[email protected]> Cc: [email protected]; SHANMUGAM, SRINIVASAN <[email protected]> Subject: [PATCH v2] 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: Jerry Zuo <[email protected]> Cc: Harry Wentland <[email protected]> Cc: Leo Li <[email protected]> Cc: Alex Deucher <[email protected]> Signed-off-by: Srinivasan Shanmugam <[email protected]> --- v2: - it is better to use : instead of \n, following the log format in default section (Jerry) - seems no need to print dpcd_tr_pattern if it is already mentioned in the string (Jerry) .../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
