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);