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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-06-10 11:53:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-06-10 11:53:55 -0700 |
| commit | 9716c086c8e8b141d35aa61f2e96a2e83de212a7 (patch) | |
| tree | 918331b178b771fa02019c3fc60c8da519c22ddf /drivers/cpufreq | |
| parent | 767622308a1d8b111038fca0059b964da1f6d9c4 (diff) | |
| parent | 6100a82e34cb75571feba920a9c18f60698d598a (diff) | |
Pull power management fixes from Rafael Wysocki:
"These address some remaining fallout after introducing dynamic EPP
support in the amd-pstate driver during the current development cycle:
- Restore allowing writing EPP of 0 when in performance mode in the
amd-pstate driver which was unnecessarily disallowed by one of the
recent updates (Mario Limonciello)
- Remove stale documentation of the epp_cached field in struct
amd_cpudata that has been dropped recently (Zhan Xusheng)"
* tag 'pm-7.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq/amd-pstate: Fix setting EPP in performance mode
cpufreq/amd-pstate: drop stale @epp_cached kdoc
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/amd-pstate.c | 2 | ||||
| -rw-r--r-- | drivers/cpufreq/amd-pstate.h | 1 |
2 files changed, 1 insertions, 2 deletions
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 62b5d995281d..72df461e7b39 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -1428,7 +1428,7 @@ ssize_t store_energy_performance_preference(struct cpufreq_policy *policy, epp = cpudata->epp_default_dc; } - if (cpudata->policy == CPUFREQ_POLICY_PERFORMANCE) { + if (epp > 0 && cpudata->policy == CPUFREQ_POLICY_PERFORMANCE) { pr_debug("EPP cannot be set under performance policy\n"); return -EBUSY; } diff --git a/drivers/cpufreq/amd-pstate.h b/drivers/cpufreq/amd-pstate.h index e4722e54387b..23e8baa05849 100644 --- a/drivers/cpufreq/amd-pstate.h +++ b/drivers/cpufreq/amd-pstate.h @@ -84,7 +84,6 @@ struct amd_aperf_mperf { * @hw_prefcore: check whether HW supports preferred core featue. * Only when hw_prefcore and early prefcore param are true, * AMD P-State driver supports preferred core featue. - * @epp_cached: Cached CPPC energy-performance preference value * @policy: Cpufreq policy value * @suspended: If CPU core if offlined * @epp_default_ac: Default EPP value for AC power source |