Re: [PATCH] power: energy_model: Rework the depends on for CONFIG_ENERGY_MODEL

From: Xuewen Yan
Date: Wed Feb 12 2025 - 21:19:20 EST


Hi Rafael,

I noticed that this patch has not been merged yet. Do you have any comments?

BR

On Thu, Dec 19, 2024 at 5:17 PM Lukasz Luba <lukasz.luba@xxxxxxx> wrote:
>
>
>
> On 12/19/24 09:11, Xuewen Yan wrote:
> > From: Jeson Gao <jeson.gao@xxxxxxxxxx>
> >
> > Now not only CPUs can use energy efficiency models, but GPUs
> > can also use. On the other hand, even with only one CPU, we can also
> > use energy_model to align control in thermal.
> > So remove the dependence of SMP, and add the DEVFREQ.
>
> That's true, there are 1-CPU platforms supported. Also, GPU can have
> the EM alone.
>
> >
> > Signed-off-by: Jeson Gao <jeson.gao@xxxxxxxxxx>
> > ---
> > kernel/power/Kconfig | 3 +--
> > 1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
> > index afce8130d8b9..c532aee09e12 100644
> > --- a/kernel/power/Kconfig
> > +++ b/kernel/power/Kconfig
> > @@ -361,8 +361,7 @@ config CPU_PM
> >
> > config ENERGY_MODEL
> > bool "Energy Model for devices with DVFS (CPUs, GPUs, etc)"
> > - depends on SMP
> > - depends on CPU_FREQ
> > + depends on CPU_FREQ || PM_DEVFREQ
> > help
> > Several subsystems (thermal and/or the task scheduler for example)
> > can leverage information about the energy consumed by devices to
>
> Reviewed-by: Lukasz Luba <lukasz.luba@xxxxxxx>