| /Linux-v6.1/Documentation/devicetree/bindings/dvfs/ |
| D | performance-domain.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dvfs/performance-domain.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Generic performance domains
10 - Sudeep Holla <sudeep.holla@arm.com>
13 This binding is intended for performance management of groups of devices or
14 CPUs that run in the same performance domain. Performance domains must not
15 be confused with power domains. A performance domain is defined by a set
16 of devices that always have to run at the same performance level. For a given
[all …]
|
| /Linux-v6.1/Documentation/scheduler/ |
| D | sched-energy.rst | 6 ---------------
25 please refer to its documentation (see Documentation/power/energy-model.rst).
29 -----------------------------
32 - energy = [joule] (resource like a battery on powered devices)
33 - power = energy/time = [joule/second] = [watt]
38 performance [inst/s]
39 --------------------
45 -----------
48 while still getting 'good' performance. It is essentially an alternative
49 optimization objective to the current performance-only objective for the
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|
| /Linux-v6.1/Documentation/powerpc/ |
| D | associativity.rst | 6 domains of substantially similar mean performance relative to resources outside
8 performance relative to each other than relative to other resources subsets
9 are represented as being members of a sub-grouping domain. This performance
11 From the platform view, these groups are also referred to as domains.
17 Hypervisor indicates the type/form of associativity used via "ibm,architecture-vec-5 property".
18 Bit 0 of byte 5 in the "ibm,architecture-vec-5" property indicates usage of Form 0 or Form 1.
20 bit 2 of byte 5 in the "ibm,architecture-vec-5" property is used.
23 ------
27 ------
28 With Form 1 a combination of ibm,associativity-reference-points, and ibm,associativity
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|
| /Linux-v6.1/Documentation/power/ |
| D | energy-model.rst | 1 .. SPDX-License-Identifier: GPL-2.0
8 -----------
11 the power consumed by devices at various performance levels, and the kernel
12 subsystems willing to use that information to make energy-aware decisions.
18 each and every client subsystem to re-implement support for each and every
23 The power values might be expressed in micro-Watts or in an 'abstract scale'.
26 can be found in the Energy-Aware Scheduler documentation
27 Documentation/scheduler/sched-energy.rst. For some subsystems like thermal or
30 thus the real micro-Watts might be needed. An example of these requirements can
32 Documentation/driver-api/thermal/power_allocator.rst.
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|
| D | opp.rst | 2 Operating Performance Points (OPP) Library
5 (C) 2009-2010 Nishanth Menon <nm@ti.com>, Texas Instruments Incorporated
19 1.1 What is an Operating Performance Point (OPP)?
20 -------------------------------------------------
22 Complex SoCs of today consists of a multiple sub-modules working in conjunction.
25 facilitate this, sub-modules in a SoC are grouped into domains, allowing some
26 domains to run at lower voltage and frequency while other domains run at
30 the device will support per domain are called Operating Performance Points or
41 - {300000000, 1000000}
42 - {800000000, 1200000}
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|
| /Linux-v6.1/Documentation/devicetree/bindings/cpufreq/ |
| D | cpufreq-mediatek-hw.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/cpufreq/cpufreq-mediatek-hw.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Hector Yuan <hector.yuan@mediatek.com>
19 const: mediatek,cpufreq-hw
29 "#performance-domain-cells":
31 Number of cells in a performance domain specifier.
33 performance domains.
37 - compatible
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|
| /Linux-v6.1/arch/arm64/boot/dts/mediatek/ |
| D | mt8195.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
7 /dts-v1/;
8 #include <dt-bindings/clock/mt8195-clk.h>
9 #include <dt-bindings/gce/mt8195-gce.h>
10 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
12 #include <dt-bindings/memory/mt8195-memory-port.h>
13 #include <dt-bindings/phy/phy.h>
14 #include <dt-bindings/pinctrl/mt8195-pinfunc.h>
15 #include <dt-bindings/power/mt8195-power.h>
[all …]
|
| /Linux-v6.1/include/dt-bindings/power/ |
| D | qcom-rpmpd.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
158 /* SDM845 Power Domain performance levels */
172 /* MDM9607 Power Domains */
185 /* MSM8939 Power Domains */
256 /* QCS404 Power Domains */
265 /* SDM660 Power Domains */
277 /* SM6115 Power Domains */
287 /* SM6125 Power Domains */
295 /* QCM2290 Power Domains */
305 /* RPM SMD Power Domain performance levels */
|
| /Linux-v6.1/Documentation/devicetree/bindings/clock/ |
| D | qcom,sm8450-camcc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/clock/qcom,sm8450-camcc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
14 power domains on SM8450.
16 See also include/dt-bindings/clock/qcom,sm8450-camcc.h
20 const: qcom,sm8450-camcc
24 - description: Camera AHB clock from GCC
25 - description: Board XO source
[all …]
|
| D | qcom,videocc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Taniya Das <tdas@codeaurora.org>
14 power domains on Qualcomm SoCs.
17 dt-bindings/clock/qcom,videocc-sc7180.h
18 dt-bindings/clock/qcom,videocc-sc7280.h
19 dt-bindings/clock/qcom,videocc-sdm845.h
20 dt-bindings/clock/qcom,videocc-sm8150.h
21 dt-bindings/clock/qcom,videocc-sm8250.h
[all …]
|
| D | qcom,dispcc-sm8x50.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/clock/qcom,dispcc-sm8x50.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jonathan Marek <jonathan@marek.ca>
14 power domains on SM8150/SM8250/SM8350.
17 dt-bindings/clock/qcom,dispcc-sm8150.h
18 dt-bindings/clock/qcom,dispcc-sm8250.h
19 dt-bindings/clock/qcom,dispcc-sm8350.h
24 - qcom,sc8180x-dispcc
[all …]
|
| D | qcom,sm8450-dispcc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/clock/qcom,sm8450-dispcc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
14 power domains on SM8450.
17 include/dt-bindings/clock/qcom,sm8450-dispcc.h
22 - qcom,sm8450-dispcc
27 - description: Board XO source
28 - description: Board Always On XO source
[all …]
|
| /Linux-v6.1/Documentation/devicetree/bindings/power/ |
| D | apple,pmgr-pwrstate.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/apple,pmgr-pwrstate.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Hector Martin <marcan@marcan.st>
13 - $ref: power-domain.yaml#
18 performance features. This binding describes the device power
23 Documentation/devicetree/bindings/power/power-domain.yaml.
25 represented via power-domains relationships between these nodes.
28 for the top-level PMGR node documentation.
[all …]
|
| D | qcom,rpmpd.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm RPM/RPMh Power domains
10 - Bjorn Andersson <andersson@kernel.org>
13 For RPM/RPMh Power domains, we communicate a performance state to RPM/RPMh
19 - qcom,mdm9607-rpmpd
20 - qcom,msm8226-rpmpd
21 - qcom,msm8909-rpmpd
22 - qcom,msm8916-rpmpd
[all …]
|
| /Linux-v6.1/Documentation/devicetree/bindings/media/ |
| D | nxp,dw100.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Xavier Roumegue <xavier.roumegue@oss.nxp.com>
12 description: |-
13 The Dewarp Engine provides high-performance dewarp processing for the
15 and wide angle lenses. It is implemented with a line/tile-cache based
24 - nxp,imx8mp-dw100
34 - description: The AXI clock
35 - description: The AHB clock
[all …]
|
| /Linux-v6.1/drivers/soc/qcom/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
15 the low-power state for resources related to the remoteproc
26 resource on a RPM-hardened platform must use this database to get
43 be called qcom-cpr
86 allocate memory from OCMEM based on performance, latency and power
105 purpose of exchanging sector-data between the remote filesystem
111 tristate "Qualcomm RPM-Hardened (RPMH) Communication"
115 Support for communication with the hardened-RPM blocks in
125 QCOM RPMh Power domain driver to support power-domains with
126 performance states. The driver communicates a performance state
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|
| /Linux-v6.1/drivers/base/power/ |
| D | domain.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * drivers/base/power/domain.c - Common code related to device power domains.
35 __routine = genpd->dev_ops.callback; \
54 mutex_lock(&genpd->mlock); in genpd_lock_mtx()
60 mutex_lock_nested(&genpd->mlock, depth); in genpd_lock_nested_mtx()
65 return mutex_lock_interruptible(&genpd->mlock); in genpd_lock_interruptible_mtx()
70 return mutex_unlock(&genpd->mlock); in genpd_unlock_mtx()
81 __acquires(&genpd->slock) in genpd_lock_spin()
85 spin_lock_irqsave(&genpd->slock, flags); in genpd_lock_spin()
86 genpd->lock_flags = flags; in genpd_lock_spin()
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|
| /Linux-v6.1/Documentation/devicetree/bindings/arm/apple/ |
| D | apple,pmgr.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Hector Martin <marcan@marcan.st>
15 performance features. This node represents the PMGR as a syscon,
16 with sub-nodes representing individual features.
20 pattern: "^power-management@[0-9a-f]+$"
24 - enum:
25 - apple,t8103-pmgr
26 - apple,t6000-pmgr
[all …]
|
| /Linux-v6.1/kernel/power/ |
| D | energy_model.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2018-2021, Arm ltd.
21 * Mutex serializing the registrations of performance domains and letting
28 return (dev->bus == &cpu_subsys); in _is_cpu_device()
39 snprintf(name, sizeof(name), "ps:%lu", ps->frequency); in em_debug_create_ps()
41 /* Create per-ps directory */ in em_debug_create_ps()
43 debugfs_create_ulong("frequency", 0444, d, &ps->frequency); in em_debug_create_ps()
44 debugfs_create_ulong("power", 0444, d, &ps->power); in em_debug_create_ps()
45 debugfs_create_ulong("cost", 0444, d, &ps->cost); in em_debug_create_ps()
46 debugfs_create_ulong("inefficient", 0444, d, &ps->flags); in em_debug_create_ps()
[all …]
|
| /Linux-v6.1/arch/x86/xen/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
31 bool "Limit Xen pv-domain memory to 512GB"
35 Limit paravirtualized user domains to 512GB of RAM.
38 pv-domains with more than 512 GB of RAM. This option controls the
77 Enabling this option may incur a significant performance overhead.
|
| /Linux-v6.1/Documentation/devicetree/bindings/arm/ |
| D | cpus.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
21 with updates for 32-bit and 64-bit ARM systems provided in this document.
30 - square brackets define bitfields, eg reg[7:0] value of the bitfield in
59 On 32-bit ARM v7 or later systems this property is
68 On ARM v8 64-bit systems this property is required
71 * If cpus node's #address-cells property is set to 2
79 * If cpus node's #address-cells property is set to 1
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|
| /Linux-v6.1/Documentation/devicetree/bindings/regulator/ |
| D | fixed-regulator.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/regulator/fixed-regulator.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Liam Girdwood <lgirdwood@gmail.com>
11 - Mark Brown <broonie@kernel.org>
16 expected to have the regulator-min-microvolt and regulator-max-microvolt
20 - $ref: "regulator.yaml#"
21 - if:
25 const: regulator-fixed-clock
[all …]
|
| /Linux-v6.1/kernel/sched/ |
| D | topology.c | 1 // SPDX-License-Identifier: GPL-2.0
36 struct sched_group *group = sd->groups; in sched_domain_debug_one()
37 unsigned long flags = sd->flags; in sched_domain_debug_one()
42 printk(KERN_DEBUG "%*s domain-%d: ", level, "", level); in sched_domain_debug_one()
44 cpumask_pr_args(sched_domain_span(sd)), sd->name); in sched_domain_debug_one()
47 printk(KERN_ERR "ERROR: domain->span does not contain CPU%d\n", cpu); in sched_domain_debug_one()
50 printk(KERN_ERR "ERROR: domain->groups does not contain CPU%d\n", cpu); in sched_domain_debug_one()
57 if ((meta_flags & SDF_SHARED_CHILD) && sd->child && in sched_domain_debug_one()
58 !(sd->child->flags & flag)) in sched_domain_debug_one()
62 if ((meta_flags & SDF_SHARED_PARENT) && sd->parent && in sched_domain_debug_one()
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|
| /Linux-v6.1/drivers/pci/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
21 support for PCI-X and the foundations for PCI Express support.
40 bool "Message Signaled Interrupts (MSI and MSI-X)"
81 bool "Enable PCI resource re-allocation detection"
85 re-allocation needs to be enabled. You can always use pci=realloc=on
87 re-allocate PCI resources if SR-IOV BARs have not been allocated by
105 require SR-IOV support, while at the same time the PF (Physical
119 PCI devices from a PCI backend to support PCI driver domains.
168 bool "PCI peer-to-peer transfer support"
177 Enableѕ drivers to do PCI peer-to-peer transactions to and from
[all …]
|
| /Linux-v6.1/drivers/opp/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
8 is called Operating Performance Point or OPP. The actual definitions
12 representing individual voltage domains and provides SOC
|
