From f002e44aa5e0eade25bc2e756852b46b61470a3c Mon Sep 17 00:00:00 2001
From: Chandan Vurdigere Nataraj <chandan.vurdigerenataraj@amd.com>
Date: Thu, 23 Jun 2022 12:48:49 +0530
Subject: drm/amd/display : Log DP link training failure reason
Git-commit: ca0cb8959f7b84742c3dd612f5b044788cddfcc7
Patch-mainline: v6.0-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849
[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>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
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 be1dcb0a2a06..64eeeb850f35 100644
--- 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);
--
2.38.1