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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2021-08-31 14:02:16 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2021-08-31 14:02:16 +0200
commitb2a6181e27c325f0e654b8d33e5fb621fc3db52b (patch)
tree4f06b8ad0b1e6c5ca64a72bbbfa39ae1ff8f606b /drivers/cpufreq/cpufreq.c
parentcpufreq: intel_pstate: Process HWP Guaranteed change notification (diff)
parentcpufreq: qcom-hw: Set dvfs_possible_from_any_cpu cpufreq driver flag (diff)
downloadlinux-dev-b2a6181e27c325f0e654b8d33e5fb621fc3db52b.tar.xz
linux-dev-b2a6181e27c325f0e654b8d33e5fb621fc3db52b.zip
Merge branch 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Pull ARM cpufreq driver changes for v5.15 from Viresh Kumar: "This contains: - Update cpufreq-dt blocklist with more platforms (Bjorn Andersson). - Allow freq changes from any CPU for qcom-hw driver (Taniya Das). - Add DSVS interrupt's support for qcom-hw driver (Thara Gopinath). - A new callback (->register_em()) to register EM at a more convenient point of time." * 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm: cpufreq: qcom-hw: Set dvfs_possible_from_any_cpu cpufreq driver flag cpufreq: blocklist more Qualcomm platforms in cpufreq-dt-platdev cpufreq: qcom-cpufreq-hw: Add dcvs interrupt support cpufreq: scmi: Use .register_em() to register with energy model cpufreq: vexpress: Use .register_em() to register with energy model cpufreq: scpi: Use .register_em() to register with energy model cpufreq: qcom-cpufreq-hw: Use .register_em() to register with energy model cpufreq: omap: Use .register_em() to register with energy model cpufreq: mediatek: Use .register_em() to register with energy model cpufreq: imx6q: Use .register_em() to register with energy model cpufreq: dt: Use .register_em() to register with energy model cpufreq: Add callback to register with energy model cpufreq: vexpress: Set CPUFREQ_IS_COOLING_DEV flag
Diffstat (limited to 'drivers/cpufreq/cpufreq.c')
-rw-r--r--drivers/cpufreq/cpufreq.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 06c526d66dd3..7d5f170ecad1 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1491,6 +1491,19 @@ static int cpufreq_online(unsigned int cpu)
write_lock_irqsave(&cpufreq_driver_lock, flags);
list_add(&policy->policy_list, &cpufreq_policy_list);
write_unlock_irqrestore(&cpufreq_driver_lock, flags);
+
+ /*
+ * Register with the energy model before
+ * sched_cpufreq_governor_change() is called, which will result
+ * in rebuilding of the sched domains, which should only be done
+ * once the energy model is properly initialized for the policy
+ * first.
+ *
+ * Also, this should be called before the policy is registered
+ * with cooling framework.
+ */
+ if (cpufreq_driver->register_em)
+ cpufreq_driver->register_em(policy);
}
ret = cpufreq_init_policy(policy);