video: exynos_dp: replace link_status with link_align to check channel equalization
authorJingoo Han <jg1.han@samsung.com>
Mon, 3 Sep 2012 08:50:24 +0000 (17:50 +0900)
committerFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>
Sat, 22 Sep 2012 21:29:08 +0000 (21:29 +0000)
To check channel equalization, the value of LANE_ALIGN_STATUS_UPDATED is
necessary in exynos_dp_channel_eq_ok(). Also, link_align includes this value.
However, link_status does not include this value, so it makes the problem
that channel equalization is failed during link training.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
drivers/video/exynos/exynos_dp_core.c

index f57c9151a17b61cc93c5141067b48a91b80a89fd..cdc139800dc9a666475d6dc21d8a432ffbc5ed25 100644 (file)
@@ -587,7 +587,7 @@ static int exynos_dp_process_equalizer_training(struct exynos_dp_device *dp)
                        dp->link_train.training_lane[lane] = training_lane;
                }
 
-               if (exynos_dp_channel_eq_ok(link_status, lane_count) == 0) {
+               if (exynos_dp_channel_eq_ok(link_align, lane_count) == 0) {
                        /* traing pattern Set to Normal */
                        exynos_dp_training_pattern_dis(dp);