From e01b1bfd88f9c5ec32b471a5a696a79f45740e63 Mon Sep 17 00:00:00 2001
From: Hai Li <hali@codeaurora.org>
Date: Fri, 11 Sep 2015 15:56:09 -0400
Subject: [PATCH] drm/msm/dsi: Updata LNn_CFG4 register settings for 28nm PHY

The current settings for 28nm PHY data lane CFG4 registers do
not work with certain panels. This change is to modify them to
hw recommended values.

Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
---
 drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
index f1a7c7b464209..edf74110ced7b 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
@@ -99,16 +99,14 @@ static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
 		dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_1(i), 0);
 		dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_2(i), 0);
 		dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_3(i), 0);
+		dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_4(i), 0);
 		dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_DATAPATH(i), 0);
 		dsi_phy_write(base + REG_DSI_28nm_PHY_LN_DEBUG_SEL(i), 0);
 		dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_STR_0(i), 0x1);
 		dsi_phy_write(base + REG_DSI_28nm_PHY_LN_TEST_STR_1(i), 0x97);
 	}
-	dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_4(0), 0);
-	dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_4(1), 0x5);
-	dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_4(2), 0xa);
-	dsi_phy_write(base + REG_DSI_28nm_PHY_LN_CFG_4(3), 0xf);
 
+	dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_CFG_4, 0);
 	dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_CFG_1, 0xc0);
 	dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_TEST_STR0, 0x1);
 	dsi_phy_write(base + REG_DSI_28nm_PHY_LNCK_TEST_STR1, 0xbb);
-- 
2.30.2