Re: [Freedreno] [v1] drm/msm/dsi/pll: call vco set rate explicitly

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On Thu, Feb 6, 2020 at 2:13 AM Harigovindan P <harigovi@xxxxxxxxxxxxxx> wrote:
>
> For a given byte clock, if VCO recalc value is exactly same as
> vco set rate value, vco_set_rate does not get called assuming
> VCO is already set to required value. But Due to GDSC toggle,
> VCO values are erased in the HW. To make sure VCO is programmed
> correctly, we forcefully call set_rate from vco_prepare.

Is this specific to certain SoCs? I don't think I've observed this.



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