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0fac6893ff
When the PID coefficients k_* are set via sysfs before the IPA algorithm is triggered then the coefficients would be overwritten after IPA throttle() is called. The old configuration values might be different than the new values estimated by the IPA internal algorithm. There might be a time delay when this overwriting happens. It depends on the thermal zone temperature value. The temperature value needs to cross the first trip point value then IPA algorithms start operating. Although, the PID coefficients setup time should not be affected or linked to any later operating phase and values must not be overwritten. This patch initializes params->sustainable_power when the governor binds to thermal zone to avoid overwriting k_*. The basic function won't be affected, as the k_* still can be estimated if the sustainable_power is modified. Signed-off-by: Di Shen <di.shen@unisoc.com> Reviewed-by: Lukasz Luba <lukasz.luba@arm.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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| certs | ||
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| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
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| .clang-format | ||
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.