[PATCH V2 12/15] cpufreq: mediatek: Use maximum voltage in init stage

Rex-BC Chen rex-bc.chen at mediatek.com
Wed Apr 13 20:40:37 PDT 2022


On Fri, 2022-04-08 at 15:37 +0200, AngeloGioacchino Del Regno wrote:
> Il 08/04/22 06:59, Rex-BC Chen ha scritto:
> > From: Jia-Wei Chang <jia-wei.chang at mediatek.com>
> > 
> > Two or more clients may use the same regulator, and it could cause
> > the
> > issue of high-freqeuncy-low-voltage.
> > To prevent this, we use maximum voltage in
> > mtk_cpu_dvfs_info_init().
> > 
> > Signed-off-by: Jia-Wei Chang <jia-wei.chang at mediatek.com>
> 
> Is this happening for proc-supply (proc_reg)?
> ...because it looks like it is, so you should send this commit
> separately
> and with an appropriate Fixes: tag.

Hello all,

If we use the value of max(booting voltage, target cpufreq voltage)
when cci is not ready, I think we don't need this patch to prevent high
frequenc low voltage issue.
(mentioned in [1])

I will drop this patch in next version.

Thanks.

[1]:https://patchwork.kernel.org/comment/24816091/

BRs,
Rex




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