From 6482b16c7f81792735b61682dad2c55d36a77f3b Mon Sep 17 00:00:00 2001
From: Jitao Shi <jitao.shi@mediatek.com>
Date: Sun, 7 Feb 2021 21:39:16 +0800
Subject: [PATCH] mb/google/kukui: fine tune the data lane trail

ANX7625 requires customized hs_da_trail time.
So override the data trail for ANX7625.

BUG=b:173603645
BRANCH=kukui
TEST=Display is normal on Jacuzzi

Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
Change-Id: I620035363507daaa19e3c272a44059c17be29af1
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51433
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Reviewed-by: Chen-Tsung Hsieh <chentsung@chromium.org>
---
 src/mainboard/google/kukui/panel_anx7625.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/mainboard/google/kukui/panel_anx7625.c b/src/mainboard/google/kukui/panel_anx7625.c
index aa22cf3edf..034154d0e4 100644
--- a/src/mainboard/google/kukui/panel_anx7625.c
+++ b/src/mainboard/google/kukui/panel_anx7625.c
@@ -5,6 +5,7 @@
 #include <drivers/analogix/anx7625/anx7625.h>
 #include <edid.h>
 #include <gpio.h>
+#include <soc/dsi.h>
 #include <soc/i2c.h>
 
 #include "panel.h"
@@ -72,3 +73,8 @@ struct panel_description *get_panel_description(int panel_id)
 	}
 	return &anx7625_panel;
 }
+
+void mtk_dsi_override_phy_timing(struct mtk_phy_timing *timing)
+{
+	timing->da_hs_trail += 9;
+}