[PATCH v7 00/15] Add support for devices in the Energy Model
daniel.lezcano at linaro.org
Fri May 22 10:43:13 UTC 2020
On 11/05/2020 13:18, Lukasz Luba wrote:
> Hi all,
> This patch set introduces support for devices in the Energy Model (EM)
> framework. It will unify the power model for thermal subsystem. It will
> make simpler to add support for new devices willing to use more
> advanced features (like Intelligent Power Allocation). Now it should
> require less knowledge and effort for driver developer to add e.g.
> GPU driver with simple energy model. A more sophisticated energy model
> in the thermal framework is also possible, driver needs to provide
> a dedicated callback function. More information can be found in the
> updated documentation file.
> First 7 patches are refactoring Energy Model framework to add support
> of other devices that CPUs. They change:
> - naming convention from 'capacity' to 'performance' state,
> - API arguments adding device pointer and not rely only on cpumask,
> - change naming when 'cpu' was used, now it's a 'device'
> - internal structure to maintain registered devices
> - update users to the new API
> Patch 8 updates OPP framework helper function to be more generic, not
> CPU specific.
> Patches 9-14 change devfreq cooling, dropping part of old power model and
> adding registration with Energy Model via exported GPL function.
> The last path is a simple change for Panfrost GPU driver.
> The patch set is based on linux-next tag next-20200508.
Do you think it is possible to respin against linux-pm next ?
I wanted to try the series but I'm getting non trivial conflicts with
the devfreq_cooling changes
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