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SubjectRe: [PATCH] thermal: Allow selecting the bang-bang governor as default
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On 09/06/2023 14:44, Thierry Reding wrote:
> From: Thierry Reding <treding@nvidia.com>
>
> For many setups the bang-bang governor is exactly what we want. Many
> ARM SoC-based devices use fans to cool down the entire SoC and that
> works well only with the bang-bang governor because it uses the
> hysteresis in order to let the fan run for a while to cool the SoC
> down below the trip point before switching it off again.
>
> The step-wise governor will behave strangely in these situations. It
> doesn't use the hysteresis, so it can lead to situations where the fan
> is turned on for only a very brief period and then is switched back off,
> only to get switched back on again very quickly because the SoC hasn't
> cooled down very much.

Applied, thanks

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