https://bugs.kde.org/show_bug.cgi?id=432452
Bug ID: 432452
Summary: Support ACPI platform profile,
/sys/firmware/acpi/platform_profile_choices
Product: Powerdevil
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: wishlist
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: meve...@gmail.com
Target Milestone: ---
SUMMARY
Kernel starting with 5.12 will allow to select a acpi platform profile through
/sys/firmware/acpi/platform_profile_choices
The basic profiles are low-power, cool, quiet, balanced, and performance.
Lenovo added support for low-power, balanced, and performance.
Powerdevil should allow users to select those profiles.
This is especially important for laptops.
Hopefully other hardware vendors will reuse this interface.
kernel patches:
https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/commit/?h=bleeding-edge&id=a2ff95e018f1d2bc816f3078d5110a655e355f18
https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/commit/?h=for-next&id=eabe533904cbcb6c7df530fd807cf2a3c3567d35
https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/commit/?h=for-next&id=c3bfcd4c676238e198d5a798b50e5d424bf05497
GNOME added support to their power-profiles-daemon in
https://gitlab.freedesktop.org/hadess/power-profiles-daemon/-/commit/4242f2a127636ace34c0b776da7e8372559baa3e
Phoronix covergae
https://www.phoronix.com/scan.php?page=news_item&px=Linux-ACPI-Platform-Profile
https://www.phoronix.com/scan.php?page=news_item&px=Lenovo-Platform-Profile-For-512
Intel has also added a similar feature in Kernel 5.11
https://www.phoronix.com/scan.php?page=news_item&px=Intel-INT340X-Workload-Hints
Hopefully it will be surfaced through the generic
/sys/firmware/acpi/platform_profile_choices interface
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