drm/amd/display : Log DP link training failure reason

[Why]
Existing logs doesn't print DP LT failure reason

[How]
Update the existing log with DP LT failure reason

Signed-off-by: Chandan Vurdigere Nataraj <chandan.vurdigerenataraj@amd.com>
Reviewed-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index 4027f439a5a40dbfea6e5ca9df3d9497f1cfa95c..c8355acd367226aa05bf6f94adcb9fc6a606ca37 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -2786,9 +2786,9 @@ bool perform_link_training_with_retries(
                                break;
                }
 
-               DC_LOG_WARNING("%s: Link(%d) training attempt %u of %d failed @ rate(%d) x lane(%d)\n",
+               DC_LOG_WARNING("%s: Link(%d) training attempt %u of %d failed @ rate(%d) x lane(%d) : fail reason:(%d)\n",
                        __func__, link->link_index, (unsigned int)j + 1, attempts, cur_link_settings.link_rate,
-                       cur_link_settings.lane_count);
+                       cur_link_settings.lane_count, status);
 
                dp_disable_link_phy(link, &pipe_ctx->link_res, signal);