From 9ab367f838a692843aa21b2ff43ebfc3bafa7175 Mon Sep 17 00:00:00 2001 From: Srinivasan Shanmugam Date: Wed, 19 Apr 2023 17:30:39 +0530 Subject: [PATCH] drm/amd/display: Add logging when DP link training Channel EQ is Successful Log when Channel Equalization is successful. Cc: Aurabindo Pillai Cc: Fangzhi Zuo Reviewed-by: Rodrigo Siqueira Signed-off-by: Srinivasan Shanmugam Signed-off-by: Rodrigo Siqueira Signed-off-by: Alex Deucher --- .../dc/link/protocols/link_dp_training_128b_132b.c | 10 ++++++++-- .../dc/link/protocols/link_dp_training_8b_10b.c | 4 ++++ 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.c index 23d380f09a21c..db87cfe37b5c9 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.c +++ b/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; } diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c index 3889ebb2256bf..2b4c15b0b4070 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c +++ b/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__); } } -- 2.30.2