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cpufreq: interactive: only apply interactive boost when enabled

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Only apply the interactive boost when the interactive governor is
enabled.  This seems like the right thing to do.

This was originally reviewed on
	https://chromium-review.googlesource.com/273501

Change-Id: I5f4a7320683eada099f9a4253e3d6b0f03057fe8
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Dmitry Torokhov <dtor@google.com>
This commit is contained in:
Daniel Kurtz 2015-05-28 12:08:11 +08:00 • committed by Amit Pundir
parent 0201862685
commit b2d18bdfa3
1 changed files with 14 additions and 1 deletions
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15
drivers/cpufreq/cpufreq_interactive.c
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@ -622,9 +622,20 @@ static void cpufreq_interactive_boost(struct cpufreq_interactive_tunables *tunab
for_each_online_cpu(i) {
pcpu = &per_cpu(cpuinfo, i);
if (tunables != pcpu->policy->governor_data)
if (!down_read_trylock(&pcpu->enable_sem))
continue;
if (!pcpu->governor_enabled) {
up_read(&pcpu->enable_sem);
continue;
}
if (tunables != pcpu->policy->governor_data) {
up_read(&pcpu->enable_sem);
continue;
}
spin_lock_irqsave(&pcpu->target_freq_lock, flags[1]);
if (pcpu->target_freq < tunables->hispeed_freq) {
pcpu->target_freq = tunables->hispeed_freq;
@ -634,6 +645,8 @@ static void cpufreq_interactive_boost(struct cpufreq_interactive_tunables *tunab
anyboost = 1;
}
spin_unlock_irqrestore(&pcpu->target_freq_lock, flags[1]);
up_read(&pcpu->enable_sem);
}
spin_unlock_irqrestore(&speedchange_cpumask_lock, flags[0]);