Re: [PATCH 1/3] arm64: dts: ti: k3-am625: add standby cpu idle state

[Kendall Willis]

Hi Nishanth,
On 06:22-20260909, Nishanth Menon wrote:
> On 16:00-20260907, Scaria Kochidanadu wrote:
> > 
> > On 21/08/26 00:58, Kendall Willis wrote:
> > > Allow the A53 cores to enter standby mode on the AM62x SoC.
> > > The standby idle state enables the CPU cores to enter WFI through the
> > > CPUIdle framework.
> 
> A very basic question: Default Idle in kernel *is* WFI. So, what kind of
> savings are we seeing by explicitly enabling a cpuidle state that goes
> to WFI and more importantly why?
>

There is no additional power savings from the added cpuidle state.
Adding the cpuidle state allows users to use cpuidle to see see stats
about WFI from userspace.

Best,
Kendall