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cpufreq: Adjust target frequency according to cpu threshold

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Change-Id: Idd86ef55aad09860a6dc726c7285ee39b0845a38
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
This commit is contained in:
Finley Xiao
2019-10-22 14:32:38 +08:00
committed by Tao Huang
parent dd0fcebd81
commit 517ab65e13
2 changed files with 12 additions and 0 deletions
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3
drivers/cpufreq/cpufreq.c
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@@ -1983,6 +1983,9 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy,
if (cpufreq_disabled())
return -ENODEV;
#ifdef CONFIG_ARM_ROCKCHIP_CPUFREQ
target_freq = rockchip_cpufreq_adjust_target(policy->cpu, target_freq);
#endif
/* Make sure that target_freq is within supported range */
target_freq = clamp_val(target_freq, policy->min, policy->max);

9
include/linux/cpufreq.h
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@@ -978,4 +978,13 @@ unsigned int cpufreq_generic_get(unsigned int cpu);
int cpufreq_generic_init(struct cpufreq_policy *policy,
struct cpufreq_frequency_table *table,
unsigned int transition_latency);
#ifdef CONFIG_ARM_ROCKCHIP_CPUFREQ
unsigned int rockchip_cpufreq_adjust_target(int cpu, unsigned int freq);
#else
static inline unsigned int rockchip_cpufreq_adjust_target(int cpu,
unsigned int freq)
{
return freq;
}
#endif
#endif /* _LINUX_CPUFREQ_H */