Re: [PATCH] opp: Provide a function for just setting bandwidth

From: Viresh Kumar
Date: Mon May 29 2023 - 05:41:04 EST

On 29-05-23, 11:35, Konrad Dybcio wrote:
> I think I didn't state my intentions correctly..
> The proposed function would set *just* the bandwidth through OPP,
> so it'd be essentially equal to
> loop over num_paths {
> icc_get(...)
> icc_set(...)
> icc_put(...)
> }

Right, but why do you need to do it ? Why isn't this done as part of
dev_pm_opp_set_{freq|opp}() ?

> but since OPP already picked up these interconnect paths, it makes
> little sense to mess with them through raw APIs.

I am not sure if I would want to expose an API to just configure part of the
entire OPP switching mechanism. I would rather let you do that via ICC APIs,
instead of going through the OPP core. Since there is a possibility of
accidental misuse of the same here.