[PATCH] drm/msm/dsi: Updata LNn_CFG4 register settings for 28nm PHY

[PATCH] drm/msm/dsi: Updata LNn_CFG4 register settings for 28nm PHY

[Hai Li]

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>
---
 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 f1a7c7b..edf7411 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);
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation

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