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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-07-28 17:21:32 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-07-28 17:21:32 +0200 |
| commit | c6e53c69ef463ba2749ba9ee9b3d9d7f97dab94a (patch) | |
| tree | b6d4a3baadec8d95dc98edf70ee49d7b44f4cc7a /drivers/cpufreq/intel_pstate.c | |
| parent | 559ed40752dc63e68f9b9ad301b20e6a3fe5cf21 (diff) | |
| parent | 454d3a2500a4eb33be85dde3bfba9e5f6b5efadc (diff) | |
| download | linux-c6e53c69ef463ba2749ba9ee9b3d9d7f97dab94a.tar.gz | |
Merge back earlier cpufreq material for v4.3.
Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index fcb929ec5304..7b2721fb861f 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -484,12 +484,11 @@ static void __init intel_pstate_sysfs_expose_params(void) } /************************** sysfs end ************************/ -static void intel_pstate_hwp_enable(void) +static void intel_pstate_hwp_enable(struct cpudata *cpudata) { - hwp_active++; pr_info("intel_pstate: HWP enabled\n"); - wrmsrl( MSR_PM_ENABLE, 0x1); + wrmsrl_on_cpu(cpudata->cpu, MSR_PM_ENABLE, 0x1); } static int byt_get_min_pstate(void) @@ -933,6 +932,10 @@ static int intel_pstate_init_cpu(unsigned int cpunum) cpu = all_cpu_data[cpunum]; cpu->cpu = cpunum; + + if (hwp_active) + intel_pstate_hwp_enable(cpu); + intel_pstate_get_cpu_pstates(cpu); init_timer_deferrable(&cpu->timer); @@ -1246,7 +1249,7 @@ static int __init intel_pstate_init(void) return -ENOMEM; if (static_cpu_has_safe(X86_FEATURE_HWP) && !no_hwp) - intel_pstate_hwp_enable(); + hwp_active++; if (!hwp_active && hwp_only) goto out; |