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Power management fix for 6.8-rc7

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Fix a latent bug in the intel-pstate cpufreq driver that has been
 exposed by the recent schedutil governor changes (Doug Smythies).
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Merge tag 'pm-6.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fix from Rafael Wysocki:
 "Fix a latent bug in the intel-pstate cpufreq driver that has been
  exposed by the recent schedutil governor changes (Doug Smythies)"

* tag 'pm-6.8-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: intel_pstate: fix pstate limits enforcement for adjust_perf call back
This commit is contained in:
Linus Torvalds 2024-02-28 12:18:31 -08:00
commit 022d0c6e03
1 changed files with 3 additions and 0 deletions
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3
drivers/cpufreq/intel_pstate.c
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@ -2987,6 +2987,9 @@ static void intel_cpufreq_adjust_perf(unsigned int cpunum,
if (min_pstate < cpu->min_perf_ratio)
min_pstate = cpu->min_perf_ratio;
if (min_pstate > cpu->max_perf_ratio)
min_pstate = cpu->max_perf_ratio;
max_pstate = min(cap_pstate, cpu->max_perf_ratio);
if (max_pstate < min_pstate)
max_pstate = min_pstate;