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PM / devfreq: rockchip_dmc: Add system monitor support when no devfreq

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Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
Change-Id: Ib7cba347c705ea5159bc29a2268da9d63116f1e0
This commit is contained in:
Finley Xiao
2023-04-14 11:32:00 +08:00
committed by Tao Huang
parent 805307498d
commit 58d460fe45
1 changed files with 14 additions and 33 deletions
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47
drivers/devfreq/rockchip_dmc.c
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@@ -2977,30 +2977,6 @@ static void rockchip_dmcfreq_parse_dt(struct rockchip_dmcfreq *dmcfreq)
dmcfreq->touchboostpulse_duration_val = 500 * USEC_PER_MSEC;
}
static int rockchip_dmcfreq_set_volt_only(struct rockchip_dmcfreq *dmcfreq)
{
struct device *dev = dmcfreq->dev;
struct dev_pm_opp *opp;
unsigned long opp_volt, opp_rate = dmcfreq->rate;
int ret;
opp = devfreq_recommended_opp(dev, &opp_rate, 0);
if (IS_ERR(opp)) {
dev_err(dev, "Failed to find opp for %lu Hz\n", opp_rate);
return PTR_ERR(opp);
}
opp_volt = dev_pm_opp_get_voltage(opp);
dev_pm_opp_put(opp);
ret = regulator_set_voltage(dmcfreq->vdd_center, opp_volt, INT_MAX);
if (ret) {
dev_err(dev, "Cannot set voltage %lu uV\n", opp_volt);
return ret;
}
return 0;
}
static int rockchip_dmcfreq_add_devfreq(struct rockchip_dmcfreq *dmcfreq)
{
struct devfreq_dev_profile *devp = &rockchip_devfreq_dmc_profile;
@@ -3039,14 +3015,16 @@ static void rockchip_dmcfreq_register_notifier(struct rockchip_dmcfreq *dmcfreq)
{
int ret;
if (vop_register_dmc())
dev_err(dmcfreq->dev, "fail to register notify to vop.\n");
if (dmcfreq->system_status_en || dmcfreq->info.auto_freq_en) {
if (vop_register_dmc())
dev_err(dmcfreq->dev, "fail to register notify to vop.\n");
dmcfreq->status_nb.notifier_call =
rockchip_dmcfreq_system_status_notifier;
ret = rockchip_register_system_status_notifier(&dmcfreq->status_nb);
if (ret)
dev_err(dmcfreq->dev, "failed to register system_status nb\n");
dmcfreq->status_nb.notifier_call =
rockchip_dmcfreq_system_status_notifier;
ret = rockchip_register_system_status_notifier(&dmcfreq->status_nb);
if (ret)
dev_err(dmcfreq->dev, "failed to register system_status nb\n");
}
dmcfreq->panic_nb.notifier_call = rockchip_dmcfreq_panic_notifier;
ret = atomic_notifier_chain_register(&panic_notifier_list,
@@ -3338,13 +3316,16 @@ static int rockchip_dmcfreq_probe(struct platform_device *pdev)
return ret;
rockchip_dmcfreq_parse_dt(data);
platform_set_drvdata(pdev, data);
if (!data->system_status_en && !data->info.auto_freq_en) {
dev_info(dev, "don't add devfreq feature\n");
return rockchip_dmcfreq_set_volt_only(data);
rockchip_dmcfreq_register_notifier(data);
return 0;
}
cpu_latency_qos_add_request(&pm_qos, PM_QOS_DEFAULT_VALUE);
platform_set_drvdata(pdev, data);
ret = devfreq_add_governor(&devfreq_dmc_ondemand);
if (ret)