Log when Channel Equalization is successful, and DP link training completed.
Cc: Aurabindo Pillai <[email protected]> Cc: Fangzhi Zuo <[email protected]> Signed-off-by: Srinivasan Shanmugam <[email protected]> --- .../display/dc/link/protocols/link_dp_training_128b_132b.c | 2 ++ .../amd/display/dc/link/protocols/link_dp_training_8b_10b.c | 5 ++++- 2 files changed, 6 insertions(+), 1 deletion(-) 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 23d380f09a21..db9abb7ceeb9 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 @@ -118,6 +118,8 @@ static enum link_training_result dp_perform_128b_132b_channel_eq_done_sequence( } else if (dp_is_ch_eq_done(lt_settings->link_settings.lane_count, dpcd_lane_status)) { /* pass */ + DC_LOG_HW_LINK_TRAINING("%s: Channel EQ done.\n", __func__); + DC_LOG_HW_LINK_TRAINING("DP 128b/132b Link Training successful\n"); break; } else if (loop_count >= lt_settings->eq_loop_count_limit) { result = DP_128b_132b_MAX_LOOP_COUNT_REACHED; 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 14b98e096d39..41b38da9feb4 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 @@ -337,8 +337,11 @@ enum link_training_result perform_8b_10b_channel_equalization_sequence( /* 6. check CHEQ done*/ if (dp_is_ch_eq_done(lane_count, dpcd_lane_status) && dp_is_symbol_locked(lane_count, dpcd_lane_status) && - dp_is_interlane_aligned(dpcd_lane_status_updated)) + dp_is_interlane_aligned(dpcd_lane_status_updated)) { + DC_LOG_HW_LINK_TRAINING("%s: Channel EQ done.\n", __func__); + DC_LOG_HW_LINK_TRAINING("DP 8b/10b Link Training successful\n"); return LINK_TRAINING_SUCCESS; + } /* 7. update VS/PE/PC2 in lt_settings*/ dp_decide_lane_settings(lt_settings, dpcd_lane_adjust, -- 2.25.1
