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soc: rockchip: Add support to change static power according to leakage

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Change-Id: Ie25e42ab14a46676819711957afa8aef8dfd0785
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
This commit is contained in:
Finley Xiao
2019-02-15 10:55:04 +08:00
committed by Tao Huang
parent 8da9fcee28
commit 93a75af425
2 changed files with 13 additions and 3 deletions
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14
drivers/soc/rockchip/rockchip_ipa.c
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@@ -56,6 +56,8 @@ int rockchip_ipa_power_model_init(struct device *dev,
ret = -EINVAL;
goto err;
}
of_property_read_u32(model_node, "ref-leakage",
&model_data->ref_leakage);
*data = model_data;
return 0;
@@ -135,14 +137,15 @@ unsigned long
rockchip_ipa_get_static_power(struct ipa_power_model_data *data,
unsigned long voltage)
{
u32 temp_scaling_factor, coeffp;
u32 temp_scaling_factor, coeffp, static_power;
u64 coeff_big;
int temp;
int ret;
ret = data->tz->ops->get_temp(data->tz, &temp);
if (ret) {
pr_err("%s:failed to read %s temp\n", __func__, data->tz->type);
pr_err("%s:failed to read %s temp\n",
__func__, data->tz->type);
temp = FALLBACK_STATIC_TEMPERATURE;
}
@@ -156,6 +159,11 @@ rockchip_ipa_get_static_power(struct ipa_power_model_data *data,
coeff_big = (u64)data->static_coefficient * (u64)temp_scaling_factor;
coeffp = div_u64(coeff_big, 1000000);
return scale_static_power(coeffp, (u32)voltage);
static_power = scale_static_power(coeffp, (u32)voltage);
if (data->leakage && data->ref_leakage)
static_power = static_power * data->leakage /
data->ref_leakage;
return static_power;
}
EXPORT_SYMBOL(rockchip_ipa_get_static_power);

2
include/soc/rockchip/rockchip_ipa.h
View File

@@ -10,6 +10,8 @@ struct ipa_power_model_data {
u32 dynamic_coefficient;
s32 ts[4];
struct thermal_zone_device *tz;
u32 leakage;
u32 ref_leakage;
};
#ifdef CONFIG_ROCKCHIP_IPA