[PATCH 31/76] drm/amd/dal: Fallback LT without retry in verify_link_cap

Harry Wentland harry.wentland at amd.com
Mon Nov 21 23:00:51 UTC 2016


From: Wenjing Liu <Wenjing.Liu at amd.com>

[Description]
Dp compliance test will test if LT fallback to the next lower link settings
by intentionally fails link training.
Due to the retry logic in verify link cap, driver retrains link with
the same settings.

Signed-off-by: Wenjing Liu <Wenjing.Liu at amd.com>
Acked-by: Harry Wentland <harry.wentland at amd.com>
---
 drivers/gpu/drm/amd/dal/dc/core/dc_link_dp.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/dal/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/dal/dc/core/dc_link_dp.c
index 80213a278d28..b7c4b5899dcd 100644
--- a/drivers/gpu/drm/amd/dal/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/dal/dc/core/dc_link_dp.c
@@ -1166,11 +1166,10 @@ bool dp_hbr_verify_link_cap(
 		if (skip_link_training)
 			success = true;
 		else {
-			success = perform_link_training_with_retries(
-								link,
-								cur,
-								skip_video_pattern,
-								LINK_TRAINING_ATTEMPTS);
+			success = dc_link_dp_perform_link_training(
+							&link->public,
+							cur,
+							skip_video_pattern);
 		}
 
 		if (success)
-- 
2.10.1



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