[Bug 209202] [powermac_thermal] In-Kernel PowerMac fan control does not effectively regulate some quad core models

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209202

--- Comment #7 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=fc3eca391341f1d354340ef41e059c0fce6afa8e

commit fc3eca391341f1d354340ef41e059c0fce6afa8e
Author:     Justin Hibbits <jhibbits@FreeBSD.org>
AuthorDate: 2025-03-10 03:10:49 +0000
Commit:     Justin Hibbits <jhibbits@FreeBSD.org>
CommitDate: 2026-09-12 02:05:06 +0000

    powerpmac_thermal: Improve thermal regulation on G5 quad models

    Add a new "high temp" threshold below the max temp, in order to ramp the
    fans (or pump for liquid cooled quads) sooner, and avoid the maximum
    temperature.  From the PR, this makes older G5 quads louder, but usable,
    instead of hitting max temperature and forcing a thermal shutdown.

    PR:             209202
    Submitted by:   gmbroome (PR)

 sys/powerpc/powermac/powermac_thermal.c | 6 +++---
 sys/powerpc/powermac/powermac_thermal.h | 2 +-
 sys/powerpc/powermac/smu.c              | 5 +++--
 sys/powerpc/powermac/smusat.c           | 5 +++--
 4 files changed, 10 insertions(+), 8 deletions(-)

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