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>

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 f1a7c7b46420985e7f2c63937e08963717056b81..edf74110ced7bd1ec15a96f96114681006b6cb43 100644 (file)
--- 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);