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to enable temperature monitor function,

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and arm run on 1.4G freq in booting
This commit is contained in:
陈辉
2012-08-02 11:14:02 +08:00
parent 5002650a99
commit 394711f6ff
1 changed files with 10 additions and 1 deletions
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11
arch/arm/mach-rk30/cpufreq.c
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@@ -262,7 +262,7 @@ static int rk30_cpu_init(struct cpufreq_policy *policy)
freq_wq = create_singlethread_workqueue("rk30_cpufreqd");
#ifdef CONFIG_RK30_CPU_FREQ_LIMIT_BY_TEMP
if (rk30_cpufreq_is_ondemand_policy(policy)) {
queue_delayed_work(freq_wq, &rk30_cpufreq_temp_limit_work, 60*HZ);
queue_delayed_work(freq_wq, &rk30_cpufreq_temp_limit_work, 0*HZ);
}
cpufreq_register_notifier(&notifier_policy_block, CPUFREQ_POLICY_NOTIFIER);
#endif
@@ -509,9 +509,18 @@ static void __exit ff_exit(void)
static unsigned int cpufreq_scale_limt(unsigned int target_freq, struct cpufreq_policy *policy)
{
bool is_ondemand = rk30_cpufreq_is_ondemand_policy(policy);
static bool is_booting = true;
if (is_ondemand && clk_get_rate(gpu_clk) > GPU_MAX_RATE) // high performance?
return max_freq;
if (is_ondemand && is_booting && target_freq >= 1600 * 1000) {
s64 boottime_ms = ktime_to_ms(ktime_get_boottime());
if (boottime_ms > 30 * MSEC_PER_SEC) {
is_booting = false;
} else {
target_freq = 1416 * 1000;
}
}
#ifdef CONFIG_RK30_CPU_FREQ_LIMIT_BY_TEMP
if (is_ondemand && target_freq > policy->cur && policy->cur >= TEMP_LIMIT_FREQ) {
unsigned int i;