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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-11-08 08:33:32 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-11-08 08:33:32 -0800 |
| commit | 4d8b3262af02c4245ac396b7f2bc71eb328931e2 (patch) | |
| tree | 01a4aafc86f61491b3fd6618d9cb1cb231291ac2 | |
| parent | 8ac2a114b1144a5d5f9043e67c769f21a4512c2a (diff) | |
| parent | c31432fa7f825de0e19838f1ac7746381c509ec4 (diff) | |
| download | lwn-4d8b3262af02c4245ac396b7f2bc71eb328931e2.tar.gz lwn-4d8b3262af02c4245ac396b7f2bc71eb328931e2.zip | |
Merge tag 'pm-5.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"Fix an 'unchecked MSR access' warning in the intel_pstate cpufreq
driver (Srinivas Pandruvada)"
* tag 'pm-5.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: intel_pstate: Fix invalid EPB setting
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 53a51c169451..8ab31702cf6a 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -847,11 +847,9 @@ static void intel_pstate_hwp_force_min_perf(int cpu) value |= HWP_MAX_PERF(min_perf); value |= HWP_MIN_PERF(min_perf); - /* Set EPP/EPB to min */ + /* Set EPP to min */ if (boot_cpu_has(X86_FEATURE_HWP_EPP)) value |= HWP_ENERGY_PERF_PREFERENCE(HWP_EPP_POWERSAVE); - else - intel_pstate_set_epb(cpu, HWP_EPP_BALANCE_POWERSAVE); wrmsrl_on_cpu(cpu, MSR_HWP_REQUEST, value); } |