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/linux/drivers/gpu/drm/lima/
H A Dlima_devfreq.c9 #include <linux/devfreq.h>
19 static void lima_devfreq_update_utilization(struct lima_devfreq *devfreq) in lima_devfreq_update_utilization() argument
24 last = devfreq->time_last_update; in lima_devfreq_update_utilization()
26 if (devfreq->busy_count > 0) in lima_devfreq_update_utilization()
27 devfreq->busy_time += ktime_sub(now, last); in lima_devfreq_update_utilization()
29 devfreq->idle_time += ktime_sub(now, last); in lima_devfreq_update_utilization()
31 devfreq->time_last_update = now; in lima_devfreq_update_utilization()
47 static void lima_devfreq_reset(struct lima_devfreq *devfreq) in lima_devfreq_reset() argument
49 devfreq->busy_time = 0; in lima_devfreq_reset()
50 devfreq->idle_time = 0; in lima_devfreq_reset()
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H A Dlima_devfreq.h7 #include <linux/devfreq.h>
11 struct devfreq;
17 struct devfreq *devfreq; member
36 void lima_devfreq_record_busy(struct lima_devfreq *devfreq);
37 void lima_devfreq_record_idle(struct lima_devfreq *devfreq);
39 int lima_devfreq_resume(struct lima_devfreq *devfreq);
40 int lima_devfreq_suspend(struct lima_devfreq *devfreq);
/linux/include/linux/
H A Ddevfreq.h3 * devfreq: Generic Dynamic Voltage and Frequency Scaling (DVFS) Framework
18 /* DEVFREQ governor name */
25 /* DEVFREQ notifier interface */
32 /* DEVFREQ work timers */
39 struct devfreq;
45 * struct devfreq_dev_status - Data given from devfreq user device to
53 * @private_data: An entry not specified by the devfreq framework.
76 * struct devfreq_dev_profile - Devfreq's user device profile
89 * status to devfreq. Governors are recommended not to
92 * devfreq.last_status.
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H A Ddevfreq-event.h3 * devfreq-event: a framework to provide raw data and events of devfreq devices
15 * struct devfreq_event_dev - the devfreq-event device
17 * @node : Contain the devfreq-event device that have been registered.
18 * @dev : the device registered by devfreq-event class. dev.parent is
19 * the device using devfreq-event.
20 * @lock : a mutex to protect accessing devfreq-event.
22 * @desc : the description for devfreq-event device.
24 * This structure contains devfreq-event device information.
37 * struct devfreq_event_data - the devfreq-event data
39 * @load_count : load count of devfreq-event device for the given period.
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H A Ddevfreq_cooling.h4 * devfreq
13 #include <linux/devfreq.h>
18 * struct devfreq_cooling_power - Devfreq cooling power ops
29 * devfreq 'last_status').
38 int (*get_real_power)(struct devfreq *df, u32 *power,
45 of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df,
48 of_devfreq_cooling_register(struct device_node *np, struct devfreq *df);
49 struct thermal_cooling_device *devfreq_cooling_register(struct devfreq *df);
52 devfreq_cooling_em_register(struct devfreq *df,
58 of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df, in of_devfreq_cooling_register_power()
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/linux/Documentation/ABI/testing/
H A Dsysfs-class-devfreq1 What: /sys/class/devfreq/.../
5 Provide a place in sysfs for the devfreq objects.
6 This allows accessing various devfreq specific variables.
7 The name of devfreq object denoted as ... is same as the
8 name of device using devfreq.
10 What: /sys/class/devfreq/.../name
14 The /sys/class/devfreq/.../name shows the name of device
15 of the corresponding devfreq object.
17 What: /sys/class/devfreq/.../governor
21 The /sys/class/devfreq/.../governor show or set the name of the
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H A Dsysfs-class-devfreq-event1 What: /sys/class/devfreq-event/event<x>/
5 Provide a place in sysfs for the devfreq-event objects.
6 This allows accessing various devfreq-event specific variables.
7 The name of devfreq-event object denoted as 'event<x>' which
8 includes the unique number of 'x' for each devfreq-event object.
10 What: /sys/class/devfreq-event/event<x>/name
14 The /sys/class/devfreq-event/event<x>/name attribute contains
15 the name of the devfreq-event object. This attribute is
18 What: /sys/class/devfreq-event/event<x>/enable_count
22 The /sys/class/devfreq-event/event<x>/enable_count attribute
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/linux/drivers/devfreq/
H A Dgovernor_passive.c3 * linux/drivers/devfreq/governor_passive.c
16 #include <linux/devfreq.h>
17 #include <linux/devfreq-governor.h>
102 static int get_target_freq_with_cpufreq(struct devfreq *devfreq, in get_target_freq_with_cpufreq() argument
106 (struct devfreq_passive_data *)devfreq->data; in get_target_freq_with_cpufreq()
131 devfreq->opp_table, &cpu_cur); in get_target_freq_with_cpufreq()
139 devfreq_get_freq_range(devfreq, &dev_min, &dev_max); in get_target_freq_with_cpufreq()
155 static int get_target_freq_with_devfreq(struct devfreq *devfreq, in get_target_freq_with_devfreq() argument
159 = (struct devfreq_passive_data *)devfreq->data; in get_target_freq_with_devfreq()
160 struct devfreq *parent_devfreq = (struct devfreq *)p_data->parent; in get_target_freq_with_devfreq()
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H A DKconfig7 devfreq, a generic DVFS framework can be registered for a device
8 in order to let the governor provided to devfreq choose an
11 Each device may have its own governor and policy. Devfreq can
13 notification to "nb", a notifier block, of devfreq.
17 determined by the single device's state, an instance of devfreq
20 to a device by 1-to-1. The device registering devfreq takes the
23 given to devfreq.
25 When OPP is used with the devfreq device, it is recommended to
26 register devfreq's nb to the OPP's notifier head. If OPP is
27 used with the devfreq device, you may use OPP helper
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H A Dgovernor_userspace.c3 * linux/drivers/devfreq/governor_userspace.c
11 #include <linux/devfreq.h>
12 #include <linux/devfreq-governor.h>
23 static int devfreq_userspace_func(struct devfreq *df, unsigned long *freq) in devfreq_userspace_func()
38 struct devfreq *devfreq = to_devfreq(dev); in set_freq_store() local
47 mutex_lock(&devfreq->lock); in set_freq_store()
48 data = devfreq->governor_data; in set_freq_store()
52 err = update_devfreq(devfreq); in set_freq_store()
55 mutex_unlock(&devfreq->lock); in set_freq_store()
62 struct devfreq *devfreq = to_devfreq(dev); in set_freq_show() local
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H A DMakefile2 obj-$(CONFIG_PM_DEVFREQ) += devfreq.o
3 obj-$(CONFIG_PM_DEVFREQ_EVENT) += devfreq-event.o
10 # DEVFREQ Drivers
15 obj-$(CONFIG_ARM_MEDIATEK_CCI_DEVFREQ) += mtk-cci-devfreq.o
18 obj-$(CONFIG_ARM_TEGRA_DEVFREQ) += tegra30-devfreq.o
20 # DEVFREQ Event Drivers
H A Drk3399_dmc.c11 #include <linux/devfreq.h>
12 #include <linux/devfreq-event.h>
42 struct devfreq *devfreq; member
253 dev_err(dev, "failed to disable the devfreq-event devices\n"); in rk3399_dmcfreq_suspend()
257 ret = devfreq_suspend_device(dmcfreq->devfreq); in rk3399_dmcfreq_suspend()
259 dev_err(dev, "failed to suspend the devfreq devices\n"); in rk3399_dmcfreq_suspend()
273 dev_err(dev, "failed to enable the devfreq-event devices\n"); in rk3399_dmcfreq_resume()
277 ret = devfreq_resume_device(dmcfreq->devfreq); in rk3399_dmcfreq_resume()
279 dev_err(dev, "failed to resume the devfreq devices\n"); in rk3399_dmcfreq_resume()
361 data->edev = devfreq_event_get_edev_by_phandle(dev, "devfreq-events", 0); in rk3399_dmcfreq_probe()
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H A Dhisi_uncore_freq.c11 #include <linux/devfreq.h>
12 #include <linux/devfreq-governor.h>
70 * @devfreq: devfreq data of this hisi_uncore_freq device
82 struct devfreq *devfreq; member
91 /* Default polling interval in ms for devfreq governors*/
294 * random value. devfreq shouldn't use 'freq' in that case though. in hisi_uncore_get_cur_freq()
348 static int hisi_platform_gov_func(struct devfreq *df, unsigned long *freq) in hisi_platform_gov_func()
352 * devfreq, so just pick the max freq. in hisi_platform_gov_func()
359 static int hisi_platform_gov_handler(struct devfreq *df, unsigned int event, in hisi_platform_gov_handler()
392 * Thus, create a pseudo 'hisi_platform' governor that stops devfreq monitor
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H A Dimx-bus.c7 #include <linux/devfreq.h>
17 struct devfreq *devfreq; member
125 priv->devfreq = devm_devfreq_add_device(dev, &priv->profile, in imx_bus_probe()
127 if (IS_ERR(priv->devfreq)) { in imx_bus_probe()
128 ret = PTR_ERR(priv->devfreq); in imx_bus_probe()
129 dev_err(dev, "failed to add devfreq device: %d\n", ret); in imx_bus_probe()
158 .name = "imx-bus-devfreq",
H A Dimx8m-ddrc.c9 #include <linux/devfreq.h>
66 struct devfreq *devfreq; member
424 priv->devfreq = devm_devfreq_add_device(dev, &priv->profile, in imx8m_ddrc_probe()
426 if (IS_ERR(priv->devfreq)) { in imx8m_ddrc_probe()
427 ret = PTR_ERR(priv->devfreq); in imx8m_ddrc_probe()
428 dev_err(dev, "failed to add devfreq device: %d\n", ret); in imx8m_ddrc_probe()
448 .name = "imx8m-ddrc-devfreq",
/linux/Documentation/translations/zh_CN/doc-guide/
H A Dcontributing.rst47 ./drivers/devfreq/devfreq.c:1818: warning: bad line:
49 ./drivers/devfreq/devfreq.c:1854: warning: bad line:
59 * @dev: The devfreq user device. (parent of devfreq)
60 * @devfreq: The devfreq object.
70 [PATCH] PM / devfreq: Fix two malformed kerneldoc comments
72 Two kerneldoc comments in devfreq.c fail to adhere to the required format,
75 ./drivers/devfreq/devfreq.c:1818: warning: bad line:
77 ./drivers/devfreq/devfreq.c:1854: warning: bad line:
84 drivers/devfreq/devfreq.c | 4 ++--
87 diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
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/linux/drivers/powercap/
H A Ddtpm_devfreq.c7 * The devfreq device combined with the energy model and the load can
15 #include <linux/devfreq.h>
26 struct devfreq *devfreq; member
37 struct devfreq *devfreq = dtpm_devfreq->devfreq; in update_pd_power_uw() local
38 struct device *dev = devfreq->dev.parent; in update_pd_power_uw()
56 struct devfreq *devfreq = dtpm_devfreq->devfreq; in set_pd_power_limit() local
57 struct device *dev = devfreq->dev.parent; in set_pd_power_limit()
96 struct devfreq *devfreq = dtpm_devfreq->devfreq; in get_pd_power_uw() local
97 struct device *dev = devfreq->dev.parent; in get_pd_power_uw()
105 mutex_lock(&devfreq->lock); in get_pd_power_uw()
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/linux/include/trace/events/
H A Ddevfreq.h3 #define TRACE_SYSTEM devfreq
8 #include <linux/devfreq.h>
12 TP_PROTO(struct devfreq *devfreq, unsigned long freq,
15 TP_ARGS(devfreq, freq, prev_freq),
18 __string(dev_name, dev_name(&devfreq->dev))
29 __entry->busy_time = devfreq->last_status.busy_time;
30 __entry->total_time = devfreq->last_status.total_time;
40 TP_PROTO(struct devfreq *devfreq),
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/linux/drivers/devfreq/event/
H A DKconfig3 bool "DEVFREQ-Event device Support"
5 The devfreq-event device provide the raw data and events which
6 indicate the current state of devfreq-event device. The provided
7 data from devfreq-event device is used to monitor the state of
11 The devfreq-event device can support the various type of events
13 may be used by devfreq governor and other subsystem.
18 tristate "Exynos NoC (Network On Chip) Probe DEVFREQ event Driver"
23 This add the devfreq-event driver for Exynos SoC. It provides NoC
27 tristate "Exynos PPMU (Platform Performance Monitoring Unit) DEVFREQ event Driver"
31 This add the devfreq-event driver for Exynos SoC. It provides PPMU
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/linux/Documentation/doc-guide/
H A Dcontributing.rst58 ./drivers/devfreq/devfreq.c:1818: warning: bad line:
60 ./drivers/devfreq/devfreq.c:1854: warning: bad line:
71 * @dev: The devfreq user device. (parent of devfreq)
72 * @devfreq: The devfreq object.
86 [PATCH] PM / devfreq: Fix two malformed kerneldoc comments
88 Two kerneldoc comments in devfreq.c fail to adhere to the required format,
91 ./drivers/devfreq/devfreq.c:1818: warning: bad line:
93 ./drivers/devfreq/devfreq.c:1854: warning: bad line:
100 drivers/devfreq/devfreq.c | 4 ++--
103 diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
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/linux/Documentation/translations/it_IT/doc-guide/
H A Dcontributing.rst64 ./drivers/devfreq/devfreq.c:1818: warning: bad line:
66 ./drivers/devfreq/devfreq.c:1854: warning: bad line:
77 * @dev: The devfreq user device. (parent of devfreq)
78 * @devfreq: The devfreq object.
93 [PATCH] PM / devfreq: Fix two malformed kerneldoc comments
95 Two kerneldoc comments in devfreq.c fail to adhere to the required format,
98 ./drivers/devfreq/devfreq.c:1818: warning: bad line:
100 ./drivers/devfreq/devfreq.c:1854: warning: bad line:
107 drivers/devfreq/devfreq.c | 4 ++--
110 diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
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/linux/Documentation/driver-api/
H A Ddevfreq.rst23 :c:func:`devfreq_add_device` function to create a :c:type:`devfreq` instance.
25 .. kernel-doc:: include/linux/devfreq.h
26 .. kernel-doc:: include/linux/devfreq-event.h
27 .. kernel-doc:: drivers/devfreq/devfreq.c
29 .. kernel-doc:: drivers/devfreq/devfreq-event.c
/linux/drivers/gpu/drm/panfrost/
H A Dpanfrost_devfreq.h7 #include <linux/devfreq.h>
11 struct devfreq;
17 struct devfreq *devfreq; member
42 void panfrost_devfreq_record_busy(struct panfrost_devfreq *devfreq);
43 void panfrost_devfreq_record_idle(struct panfrost_devfreq *devfreq);
/linux/arch/arm/boot/dts/samsung/
H A Dexynos5422-odroid-core.dtsi396 devfreq-events = <&nocp_mem0_0>, <&nocp_mem0_1>,
405 devfreq = <&bus_wcore>;
411 devfreq = <&bus_wcore>;
417 devfreq = <&bus_wcore>;
423 devfreq = <&bus_wcore>;
429 devfreq = <&bus_wcore>;
435 devfreq = <&bus_wcore>;
441 devfreq = <&bus_wcore>;
447 devfreq = <&bus_wcore>;
453 devfreq = <&bus_wcore>;
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H A Dexynos4412-odroid-common.dtsi77 devfreq-events = <&ppmu_dmc0_3>, <&ppmu_dmc1_3>;
83 devfreq = <&bus_dmc>;
88 devfreq = <&bus_dmc>;
93 devfreq-events = <&ppmu_leftbus_3>, <&ppmu_rightbus_3>;
99 devfreq = <&bus_leftbus>;
104 devfreq = <&bus_leftbus>;
109 devfreq = <&bus_leftbus>;
114 devfreq = <&bus_leftbus>;
119 devfreq = <&bus_leftbus>;

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