diff options
| -rw-r--r-- | drivers/video/fbdev/msm/msm_mdss_io_8974.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/video/fbdev/msm/msm_mdss_io_8974.c b/drivers/video/fbdev/msm/msm_mdss_io_8974.c index 3dc2e952b5dd..e6151b4c75a1 100644 --- a/drivers/video/fbdev/msm/msm_mdss_io_8974.c +++ b/drivers/video/fbdev/msm/msm_mdss_io_8974.c @@ -947,8 +947,11 @@ static void mdss_dsi_8996_phy_power_off( { int ln; void __iomem *base; + u32 data; - MIPI_OUTP(ctrl->phy_io.base + DSIPHY_CMN_CTRL_0, 0x7f); + /* Turn off PLL power */ + data = MIPI_INP(ctrl->phy_io.base + DSIPHY_CMN_CTRL_0); + MIPI_OUTP(ctrl->phy_io.base + DSIPHY_CMN_CTRL_0, data & ~BIT(7)); /* 4 lanes + clk lane configuration */ for (ln = 0; ln < 5; ln++) { @@ -1004,6 +1007,7 @@ static void mdss_dsi_8996_phy_power_on( void __iomem *base; struct mdss_dsi_phy_ctrl *pd; char *ip; + u32 data; pd = &(((ctrl->panel_data).panel_info.mipi).dsi_phy_db); @@ -1023,6 +1027,10 @@ static void mdss_dsi_8996_phy_power_on( } mdss_dsi_8996_phy_regulator_enable(ctrl); + + /* Turn on PLL power */ + data = MIPI_INP(ctrl->phy_io.base + DSIPHY_CMN_CTRL_0); + MIPI_OUTP(ctrl->phy_io.base + DSIPHY_CMN_CTRL_0, data | BIT(7)); } static void mdss_dsi_phy_power_on( @@ -1126,6 +1134,7 @@ static void mdss_dsi_8996_phy_config(struct mdss_dsi_ctrl_pdata *ctrl) mdss_dsi_8996_pll_source_standalone(ctrl); } + MIPI_OUTP(ctrl->phy_io.base + DSIPHY_CMN_CTRL_0, 0x7f); wmb(); /* make sure registers committed */ } |