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PM / AVS: check initial rate only once

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The patch fixes the warring when rk3399-vr resume:

CPU4: found redistributor 100 region 0:0x00000000fef80000
CPU4: update cpu_capacity 1024
CPU4: Booted secondary processor [410fd082]
rk3x-i2c ff3c0000.i2c: timeout, ipd: 0x10, state: 1
rk3x-i2c ff3c0000.i2c: timeout, ipd: 0x10, state: 1
rk3x-i2c ff3c0000.i2c: timeout, ipd: 0x10, state: 1
cpu cpu4: _set_opp_voltage:
failed to set voltage (800000 800000 800000 mV): -110
cpu cpu4: failed to set volt 800000
CPU4 is up
Detected PIPT I-cache on CPU5
CPU5: found redistributor 101 region 0:0x00000000fefa0000
CPU5: update cpu_capacity 1024
CPU5: Booted secondary processor [410fd082]
CPU5 is up

Change-Id: I36f1b5d23c8d2436e20765d699dfde9eb8cf74fa
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
This commit is contained in:
Finley Xiao
2016-12-09 11:41:02 +08:00
committed by Huang, Tao
parent 1949a7b99a
commit 69b4c53327
1 changed files with 7 additions and 3 deletions
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10
drivers/power/avs/rockchip-cpu-avs.c
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@@ -53,6 +53,7 @@ struct rockchip_cpu_avs {
unsigned int num_clusters;
struct cluster_info *cluster;
struct notifier_block cpufreq_notify;
unsigned int check_done[MAX_CLUSTERS];
};
#define notifier_to_avs(_n) container_of(_n, struct rockchip_cpu_avs, \
@@ -141,9 +142,12 @@ static int rockchip_cpu_avs_notifier(struct notifier_block *nb,
rockchip_leakage_adjust_table(cpu_dev, policy->freq_table, cluster);
next:
ret = dev_pm_opp_check_initial_rate(cpu_dev, &cur_freq);
if (!ret)
policy->cur = cur_freq / 1000;
if (avs->check_done[id] == 0) {
ret = dev_pm_opp_check_initial_rate(cpu_dev, &cur_freq);
if (!ret)
policy->cur = cur_freq / 1000;
avs->check_done[id] = 1;
}
out: