evie/android_kernel_oneplus_msm8998
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msm: mdss: enable pll regulator during phy on sequence

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Make sure pll regulator is enabled as part of the phy
on sequence. This fixes some corruption observed
when pll is disabled as part of the phy shut-down
sequence.

Change-Id: I1ace97dbf5b8e5ed8fceedddf714758a5f708cfb
Signed-off-by: Ingrid Gallardo <ingridg@codeaurora.org>
This commit is contained in:
Ingrid Gallardo 2016-06-08 10:51:09 -07:00 • committed by Harsh Sahu
parent 306732cd44
commit 1a71e5ed0c
1 changed files with 10 additions and 1 deletions
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11
drivers/video/fbdev/msm/msm_mdss_io_8974.c
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@ -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 */
}