[PATCH 18/27] drm/amd/display: TPS4 logic typo fix

Harry Wentland harry.wentland at amd.com
Wed Mar 8 21:54:58 UTC 2017


From: Charlene Liu <charlene.liu at amd.com>

Change-Id: I334d4dfa6f5db2366457b1db9062f8ae6ec04e19
Signed-off-by: Charlene Liu <charlene.liu at amd.com>
Acked-by: Harry Wentland <Harry.Wentland at amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
---
 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 c250d8f6d011..5c6978eed8da 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
@@ -921,8 +921,8 @@ static inline bool perform_link_training_int(
 	 * If the upstream DPTX and downstream DPRX both support TPS4,
 	 * TPS4 must be used instead of POST_LT_ADJ_REQ.
 	 */
-	if (link->dpcd_caps.max_ln_count.bits.POST_LT_ADJ_REQ_SUPPORTED != 1 &&
-		get_supported_tp(link) == HW_DP_TRAINING_PATTERN_4)
+	if (link->dpcd_caps.max_ln_count.bits.POST_LT_ADJ_REQ_SUPPORTED != 1 ||
+			get_supported_tp(link) == HW_DP_TRAINING_PATTERN_4)
 		return status;
 
 	if (status &&
-- 
2.10.2



More information about the amd-gfx mailing list