PLLD and PLLD2 clocks possess a unique enable bit within their miscellaneous register. Take this into account when using clock_set_rate function.
Signed-off-by: Svyatoslav Ryhel <[email protected]> --- arch/arm/mach-tegra/clock.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c index a375693481e..4f0cc19df50 100644 --- a/arch/arm/mach-tegra/clock.c +++ b/arch/arm/mach-tegra/clock.c @@ -703,6 +703,12 @@ int clock_set_rate(enum clock_id clkid, u32 n, u32 m, u32 p, u32 cpcon) else writel(base_reg, &simple_pll->pll_base); + /* PLLD and PLLD2 are only clocks which have ENABLE bit */ + if (clkid == CLOCK_ID_DISPLAY) + setbits_le32(&pll->pll_misc, BIT(PLLD_CLKENABLE)); + if (clkid == CLOCK_ID_DISPLAY2) + setbits_le32(&simple_pll->pll_misc, BIT(PLLD_CLKENABLE)); + /* * Changing clocks was never intended in the U-Boot for Tegra. * If a clock is changed after clock_init() the parent rate is wrong. -- 2.43.0
