@@ -209,12 +209,12 @@ static int mtk_cpufreq_set_target(struct cpufreq_policy *policy,
struct dev_pm_opp *opp;
long freq_hz, pre_freq_hz;
int vproc, pre_vproc, inter_vproc, target_vproc, ret;
+ struct cpufreq_freqs freqs;
mutex_lock(&mtk_policy_lock);
inter_vproc = info->intermediate_voltage;
-
- pre_freq_hz = clk_get_rate(cpu_clk);
+ pre_freq_hz = policy->cur * 1000;
if (unlikely(info->pre_vproc <= 0))
pre_vproc = regulator_get_voltage(info->proc_reg);
@@ -307,6 +307,10 @@ static int mtk_cpufreq_set_target(struct cpufreq_policy *policy,
}
info->current_freq = freq_hz;
+ freqs.old = policy->cur;
+ freqs.new = freq_table[index].frequency;
+ cpufreq_freq_transition_begin(policy, &freqs);
+ cpufreq_freq_transition_end(policy, &freqs, false);
out:
mutex_unlock(&mtk_policy_lock);
@@ -629,6 +633,7 @@ static unsigned int mtk_cpufreq_get(unsigned int cpu)
static struct cpufreq_driver mtk_cpufreq_driver = {
.flags = CPUFREQ_NEED_INITIAL_FREQ_CHECK |
CPUFREQ_HAVE_GOVERNOR_PER_POLICY |
+ CPUFREQ_ASYNC_NOTIFICATION |
CPUFREQ_IS_COOLING_DEV,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = mtk_cpufreq_set_target,
Add CPUFREQ_ASYNC_NOTIFICATION flages for cpufreq policy because some of process will get CPU frequency by cpufreq sysfs node. It may get wrong frequency then call cpufreq_out_of_sync() to fixed frequency. Signed-off-by: Mark Tseng <chun-jen.tseng@mediatek.com> --- drivers/cpufreq/mediatek-cpufreq.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)