Searched full:scaling (Results 1 – 25 of 186) sorted by relevance
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| /Documentation/admin-guide/pm/ |
| D | cpufreq.rst | 7 CPU Performance Scaling
15 The Concept of CPU Performance Scaling
44 to as CPU performance scaling or CPU frequency scaling (because it involves
48 CPU Performance Scaling in Linux
51 The Linux kernel supports CPU performance scaling by means of the ``CPUFreq``
52 (CPU Frequency scaling) subsystem that consists of three layers of code: the
53 core, scaling governors and scaling drivers.
56 interfaces for all platforms that support CPU performance scaling. It defines
59 Scaling governors implement algorithms to estimate the required CPU capacity.
60 As a rule, each governor implements one, possibly parametrized, scaling
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| D | intel_pstate.rst | 5 ``intel_pstate`` CPU Performance Scaling Driver
17 :doc:`CPU performance scaling subsystem <cpufreq>` in the Linux kernel
18 (``CPUFreq``). It is a scaling driver for the Sandy Bridge and later
50 ``sysfs`` which allows another ``CPUFreq`` scaling driver to be loaded and
58 active mode, it uses its own internal performance scaling governor algorithm or
59 allows the hardware to do performance scaling by itself, while in the passive
61 a certain performance scaling algorithm. Which of them will be in effect
73 In this mode the driver bypasses the scaling governors layer of ``CPUFreq`` and
74 provides its own scaling algorithms for P-state selection. Those algorithms
75 can be applied to ``CPUFreq`` policies in the same way as generic scaling
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| D | intel_uncore_frequency_scaling.rst | 5 Intel Uncore Frequency Scaling
17 performance, SoCs have internal algorithms for scaling uncore frequency. These
22 the scaling min/max frequencies via cpufreq sysfs to improve CPU performance.
26 use both cpufreq and the uncore scaling interface to distribute power and
36 uncore scaling control is per die in multiple die/package SoCs or per
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| /Documentation/userspace-api/media/v4l/ |
| D | crop.rst | 6 Image Cropping, Insertion and Scaling -- the CROP API
20 abilities cropping and scaling. Some video output devices can scale an
33 Scaling requires a source and a target. On a video capture or overlay
48 support scaling or the :ref:`VIDIOC_G_CROP <VIDIOC_G_CROP>` and
68 Image Cropping, Insertion and Scaling
70 The cropping, insertion and scaling process
108 Scaling Adjustments
111 Video hardware can have various cropping, insertion and scaling
112 limitations. It may only scale up or down, support only discrete scaling
113 factors, or have different scaling abilities in horizontal and vertical
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| D | selection-api-configuration.rst | 11 Video hardware can have various cropping, composing and scaling
12 limitations. It may only scale up or down, support only discrete scaling
13 factors, or have different scaling abilities in the horizontal and
14 vertical directions. Also it may not support scaling at all. At the same
130 Scaling control
133 An application can detect if scaling is performed by comparing the width
136 scaling is applied. The application can compute the scaling ratios using
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| D | dev-subdev.rst | 103 :ref:`pipeline-scaling`, where image scaling can be performed on both
107 .. _pipeline-scaling:
120 scaling on the sensor is required to achieve higher frame rates.
195 - Sub-devices that scale frames using variable scaling factors should
197 modified. If the 1:1 scaling ratio is supported, this means that
208 for the pipeline described in :ref:`pipeline-scaling` (table columns
339 Selections: cropping, scaling and composition
362 The scaling operation changes the size of the image by scaling it to new
363 dimensions. The scaling ratio isn't specified explicitly, but is implied
367 Scaling support is optional. When supported by a subdev, the crop
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| D | selection-api-intro.rst | 12 these abilities cropping, scaling and composing.
28 scaling then the cropping and composing rectangles have the same size.
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| D | vidioc-cropcap.rst | 13 VIDIOC_CROPCAP - Information about the video cropping and scaling abilities
43 support cropping and/or scaling and/or have non-square pixels, and for
78 - This is the pixel aspect (y / x) when no scaling is applied, the
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| D | selection-api-examples.rst | 60 Example: Querying for scaling factors
82 /* computing scaling factors */
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| D | selection-api-targets.rst | 16 Targets used by a cropping, composing and scaling process
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| D | ext-ctrls-codec-stateless.rst | 277 Specifies the scaling matrix (as extracted from the bitstream) for
279 defined according to :ref:`h264`, section 7.4.2.1.1.1 "Scaling
299 - Scaling matrix after applying the inverse scanning process.
301 Inter Cb, Inter Cr. The values on each scaling list are
305 - Scaling matrix after applying the inverse scanning process.
307 Intra Cr, Inter Cr. The values on each scaling list are
972 - Horizontal scaling factor.
975 - Vertical scaling factor.
2562 Specifies the HEVC scaling matrix parameters used for the scaling process
2565 They are described in section 7.4.5 "Scaling list data semantics" of
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| /Documentation/cpu-freq/ |
| D | index.rst | 4 CPUFreq - CPU frequency and voltage scaling code in the Linux(TM) kernel
9 Clock scaling allows you to change the clock speed of the CPUs on the
35 Clock and voltage scaling for the SA-1100:
36 * http://www.lartmaker.nl/projects/scaling
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| D | cpufreq-stats.rst | 124 CPU Frequency scaling --->
125 [*] CPU Frequency scaling
129 "CPU Frequency scaling" (CONFIG_CPU_FREQ) should be enabled to configure
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| /Documentation/devicetree/bindings/input/ |
| D | microchip,qt1050.txt | 41 - microchip,average-scaling:
42 The scaling factor which is used to scale the average-samples.
61 microchip,average-scaling = <16>;
69 microchip,average-scaling = <8>;
76 microchip,average-scaling = <16>;
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| /Documentation/devicetree/bindings/iio/dac/ |
| D | adi,ad3552r.yaml | 99 adi,gain-scaling-p:
100 description: GainP = 1 / ( 2 ^ adi,gain-scaling-p)
104 adi,gain-scaling-n:
105 description: GainN = 1 / ( 2 ^ adi,gain-scaling-n)
114 - adi,gain-scaling-p
115 - adi,gain-scaling-n
234 adi,gain-scaling-p = <1>;
235 adi,gain-scaling-n = <2>;
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| /Documentation/hwmon/ |
| D | mc13783-adc.rst | 34 a chip internal scaling applied .
40 chip internal scaling:
45 Channel Signal Input Range Scaling
71 Channel Signal Input Range Scaling
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| D | vt1211.rst | 84 external scaling resistors. This external scaling needs to be compensated for
89 The board level scaling resistors according to VIA's recommendation are as
109 performs the scaling and returns the properly scaled voltage value.
126 internal thermal diode and the driver does all the scaling for temp2 and
128 temp1 and temp3-temp7, scaling depends on the board implementation and needs
155 scaling resistor (Rs)::
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| /Documentation/devicetree/bindings/display/ |
| D | arm,malidp.yaml | 17 rotation and scaling output.
33 the interrupt for the Scaling Engine (SE), but it will have to be
36 The interrupt used by the Scaling Engine (SE). Can be shared with
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| /Documentation/translations/zh_CN/cpu-freq/ |
| D | cpufreq-stats.rst | 123 CPU Frequency scaling --->
124 [*] CPU Frequency scaling
128 "CPU Frequency scaling" (CONFIG_CPU_FREQ) 应该被启用，以支持配置cpufreq-stats。
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| /Documentation/translations/zh_TW/cpu-freq/ |
| D | cpufreq-stats.rst | 123 CPU Frequency scaling --->
124 [*] CPU Frequency scaling
128 "CPU Frequency scaling" (CONFIG_CPU_FREQ) 應該被啓用，以支持配置cpufreq-stats。
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| /Documentation/devicetree/bindings/thermal/ |
| D | qcom-spmi-adc-tm-hc.yaml | 82 qcom,pre-scaling:
84 description: Used for scaling the channel input signal before the
86 pre-determined ratio and use it for post scaling. It is a pair of
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| /Documentation/userspace-api/media/drivers/ |
| D | camera-sensor.rst | 24 scaling configurations. The output size of the device is the result of a series
25 of cropping and scaling operations from the device's pixel array's size.
76 skipping, scaling or digital crop, see :ref:`VIDIOC_SUBDEV_G_SELECTION
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| /Documentation/gpu/amdgpu/display/ |
| D | mpo-overview.rst | 102 another plane and therefore inherits any scaling or color processing from its
158 be run to validate positioning, blending, scaling under a variety of sequences
168 - ``kms_plane_scaling@pipe-*-plane-scaling``
231 * **Scaling limitation**
233 MPO cannot handle scaling less than 0.25 and more than x16. For example:
238 .. note:: These scaling limitations might vary from ASIC to ASIC.
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| /Documentation/driver-api/media/drivers/ |
| D | sh_mobile_ceu_camera.rst | 3 Cropping and Scaling algorithm, used in the sh_mobile_ceu_camera driver
16 Generic scaling / cropping scheme
111 10. Use CEU scaling to scale to the requested user window:
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| /Documentation/ABI/testing/ |
| D | sysfs-bus-iio-bno055 | 8 minimum readable value affects also the reading scaling factor).
17 reading scaling factor).
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