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/Documentation/gpu/amdgpu/display/
Ddc-glossary.rst5 On this page, we try to keep track of acronyms related to the display
7 'Documentation/gpu/amdgpu/amdgpu-glossary.rst'; if you cannot find it anywhere,
19 Application-Specific Integrated Circuit
37 * DISPCLK: Display Clock
39 * DCFCLK: Display Controller Fabric Clock
49 Cathode Ray Tube Controller - commonly called "Controller" - Generates
56 Display Abstraction layer
59 Display Core
62 Display Controller
68 Display Controller Engine
[all …]
Ddc-debug.rst2 Display Core Debug tools
8 Display core provides a feature named visual confirmation, which is a set of
19 ---------------------
21 If you want to enable or debug multiple planes in a specific user-space
31 * The color indicates the format - For example, red is AR24 and green is NV12
49 ----------------
58 bottom of the display covering the entire display width and another bar
67 using Display Test Next (DTN) log, which can be captured via debugfs by using::
72 change in real-time by using something like::
74 sudo watch -d cat /sys/kernel/debug/dri/0/amdgpu_dm_dtn_log
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/Documentation/devicetree/bindings/gpio/
Dxylon,logicvc-gpio.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/gpio/xylon,logicvc-gpio.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Paul Kocialkowski <paul.kocialkowski@bootlin.com>
14 The LogiCVC GPIO describes the GPIO block included in the LogiCVC display
15 controller. These are meant to be used for controlling display-related
18 The controller exposes GPIOs from the display and power control registers,
20 - GPIO[4:0] (display control) mapped to index 0-4
21 - EN_BLIGHT (power control) mapped to index 5
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/Documentation/gpu/
Di915.rst6 models) integrated GFX chipsets with both Intel display and rendering
13 This section covers core driver infrastructure used by both the display
17 ------------------------
19 .. kernel-doc:: drivers/gpu/drm/i915/intel_runtime_pm.c
22 .. kernel-doc:: drivers/gpu/drm/i915/intel_runtime_pm.c
25 .. kernel-doc:: drivers/gpu/drm/i915/intel_uncore.c
29 ------------------
31 .. kernel-doc:: drivers/gpu/drm/i915/i915_irq.c
34 .. kernel-doc:: drivers/gpu/drm/i915/i915_irq.c
37 .. kernel-doc:: drivers/gpu/drm/i915/i915_irq.c
[all …]
Dvc4.rst5 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_drv.c
8 Display Hardware Handling
11 This section covers everything related to the display hardware including
13 display, output probing and related topics.
16 ----------------------
18 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_crtc.c
22 ---
24 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_hvs.c
28 ----------
30 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_plane.c
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Dkomeda-kms.rst1 .. SPDX-License-Identifier: GPL-2.0
4 drm/komeda Arm display driver
7 The drm/komeda driver supports the Arm display processor D71 and later products,
11 Overview of D71 like display IPs
14 From D71, Arm display IP begins to adopt a flexible and modularized
15 architecture. A display pipeline is made up of multiple individual and
23 -----
30 ------
34 for layer scaling, or connected to compositor and scale the whole display
39 -------------------
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Ddrm-kms-helpers.rst23 also the simple display pipe helpers.
27 for handling panel-related information and logic. Plus then a big set of
32 * The last group of helpers concerns itself with the frontend side of a display
39 .. kernel-doc:: include/drm/drm_modeset_helper_vtables.h
42 .. kernel-doc:: include/drm/drm_modeset_helper_vtables.h
51 --------
53 .. kernel-doc:: drivers/gpu/drm/drm_atomic_helper.c
57 ---------------------------------------
59 .. kernel-doc:: drivers/gpu/drm/drm_atomic_helper.c
63 --------------------------
[all …]
Ddrm-uapi.rst9 addition, drivers export device-specific interfaces for use by userspace
10 drivers & device-aware applications through ioctls and sysfs files.
16 Cover generic ioctls and sysfs layout here. We only need high-level
22 .. kernel-doc:: drivers/gpu/drm/drm_ioctl.c
31 .. kernel-doc:: drivers/gpu/drm/drm_auth.c
34 .. kernel-doc:: drivers/gpu/drm/drm_auth.c
37 .. kernel-doc:: include/drm/drm_auth.h
43 DRM Display Resource Leasing
46 .. kernel-doc:: drivers/gpu/drm/drm_lease.c
49 Open-Source Userspace Requirements
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Dtodo.rst11 ----------
18 subsystem, or some specific GPU/display graphics knowledge. For debugging issue
29 Subsystem-wide refactorings
33 ---------------------------------------------
45 --------------------------------------------------
53 non-converted driver. The "Atomic mode setting design overview" series [2]_
60 .. [1] https://blog.ffwll.ch/2014/11/atomic-modeset-support-for-kms-drivers.html
69 ---------------------------------------------------------
75 avoid confusion - the other helpers in that file are all deprecated legacy
83 ----------------------------------
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/Documentation/admin-guide/auxdisplay/
Dks0108.rst7 :Date: 2006-10-27
19 ---------------------
25 ---------------------
30 :Webpage: -
31 :Device Webpage: -
32 :Type: LCD Controller (Liquid Crystal Display Controller)
43 ---------
47 If you aren't building LCD related hardware, you should check
50 For example, check Documentation/admin-guide/auxdisplay/cfag12864b.rst
/Documentation/devicetree/bindings/display/bridge/
Dfsl,imx93-mipi-dsi.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/display/bridge/fsl,imx93-mipi-dsi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Liu Ying <victor.liu@nxp.com>
15 and extensions to them are controlled by i.MX93 media blk-ctrl.
18 - $ref: snps,dw-mipi-dsi.yaml#
22 const: fsl,imx93-mipi-dsi
26 - description: apb clock
27 - description: pixel clock
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/Documentation/netlink/specs/
Dovs_flow.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
5 protocol: genetlink-legacy
6 uapi-header: linux/openvswitch.h
12 -
13 name: ovs-header
18 -
19 name: dp-ifindex
24 -
25 name: ovs-flow-stats
28 -
[all …]
/Documentation/hwmon/
Dacpi_power_meter.rst17 -----------
21 features--a power meter that returns average power use over a configurable
24 of Documentation/hwmon/sysfs-interface.rst.
27 ----------------
29 The `power[1-*]_is_battery` knob indicates if the power supply is a battery.
30 Both `power[1-*]_average_{min,max}` must be set before the trip points will work.
33 `power[1-*]_average` sysfs file.
35 The `power[1-*]_{model_number, serial_number, oem_info}` fields display
40 the case, the `power[1-*]_cap` and related sysfs files will appear. When the
43 appropriate `power[1-*]_alarm` file to indicate that capping has begun, and the
[all …]
/Documentation/admin-guide/media/
Dmgb4.rst1 .. SPDX-License-Identifier: GPL-2.0
7 ---------------
10 stream related parameters (some of them must be set properly before the v4l2
13 There are two types of parameters - global / PCI card related, found under
23 | 0 - No module present
24 | 1 - FPDL3
25 | 2 - GMSL
33 | 1 - FPDL3
34 | 2 - GMSL
42 PRODUCT-REVISION-SERIES-SERIAL
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/Documentation/gpu/amdgpu/
Ddriver-core.rst32 This was a dedicated IP on older pre-vega chips, but has since
56 DCN (Display Controller Next)
57 This is the display controller. It handles the display hardware.
58 It is described in more details in :ref:`Display Core <amdgpu-display-core>`.
61 This is a multi-purpose DMA engine. The kernel driver uses it for
69 largest block on the GPU. The 3D pipeline has tons of sub-blocks. In
75 This is the multi-media engine. It handles video and image encode and
76 decode. It's exposed to userspace for user mode drivers (VA-API,
80 -------------------------------------
97 power management related functionality within the GFX/Compute engine.
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/Documentation/networking/
Dvxlan.rst1 .. SPDX-License-Identifier: GPL-2.0
20 use of statically-configured forwarding entries.
34 the IANA-assigned value of 4789. The Linux implementation of VXLAN
35 pre-dates the IANA's selection of a standard destination port number
36 and uses the Linux-selected value by default to maintain backwards
45 # ip -d link show vxlan0
47 It is possible to create, destroy and display the vxlan
62 The following NIC features may indicate support for UDP tunnel-related
66 - `tx-udp_tnl-segmentation`
67 - `tx-udp_tnl-csum-segmentation`
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/Documentation/userspace-api/media/v4l/
Dext-ctrls-fm-rx.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _fm-rx-controls:
13 .. _fm-rx-control-id:
27 Gets RDS Programme Type field. This encodes up to 31 pre-defined
32 static display on a receiver. It is the primary aid to listeners in
45 wishes to transmit longer PS names, programme-related information or
70 enum v4l2_deemphasis -
71 Configures the de-emphasis value for reception. A de-emphasis filter
75 values for de-emphasis. Here they are:
79 .. flat-table::
[all …]
Dext-ctrls-fm-tx.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _fm-tx-controls:
15 .. _fm-tx-control-id:
27 step are driver-specific.
34 to 31 pre-defined programme types.
38 intended for static display on a receiver. It is the primary aid to
52 programme-related information or any other text. In these cases,
103 receiver-generated distortion and prevent overmodulation.
107 useconds. Step and range are driver-specific.
111 are driver-specific.
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/Documentation/virt/hyperv/
Doverview.rst1 .. SPDX-License-Identifier: GPL-2.0
6 enlightened guest on Microsoft's Hyper-V hypervisor. Hyper-V
7 consists primarily of a bare-metal hypervisor plus a virtual machine
10 partitions. In this documentation, references to Hyper-V usually
15 Hyper-V runs on x86/x64 and arm64 architectures, and Linux guests
16 are supported on both. The functionality and behavior of Hyper-V is
19 Linux Guest Communication with Hyper-V
20 --------------------------------------
21 Linux guests communicate with Hyper-V in four different ways:
24 some guest actions trap to Hyper-V. Hyper-V emulates the action and
[all …]
/Documentation/trace/
Dosnoise-tracer.rst5 In the context of high-performance computing (HPC), the Operating System
9 system. Moreover, hardware-related jobs can also cause noise, for example,
32 source of interferences, increasing a per-cpu interference counter. The
38 hardware-related noise. In this way, osnoise can account for any
44 -----
59 # _-----=> irqs-off
60 # / _----=> need-resched
61 # | / _---=> hardirq/softirq
62 # || / _--=> preempt-depth MAX
64 … |||| RUNTIME NOISE % OF CPU NOISE +-----------------------------+
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/Documentation/admin-guide/laptops/
Dthinkpad-acpi.rst9 - Borislav Deianov <borislav@users.sf.net>
10 - Henrique de Moraes Holschuh <hmh@hmh.eng.br>
12 http://ibm-acpi.sf.net/
19 This driver used to be named ibm-acpi until kernel 2.6.21 and release
20 0.13-20070314. It used to be in the drivers/acpi tree, but it was
21 moved to the drivers/misc tree and renamed to thinkpad-acpi for kernel
25 The driver is named "thinkpad-acpi". In some places, like module
29 "tpacpi" is used as a shorthand where "thinkpad-acpi" would be too
33 ------
38 - Fn key combinations
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/Documentation/wmi/devices/
Ddell-wmi-ddv.rst1 .. SPDX-License-Identifier: GPL-2.0-or-later
4 Dell DDV WMI interface driver (dell-wmi-ddv)
10 Many Dell notebooks made after ~2020 support a WMI-based interface for
15 so it was called `DDV`. Currently the ``dell-wmi-ddv`` driver supports
21 trial-and-error, please keep that in mind.
27 including batteries. It has a form similar to `CC-PPPPPP-MMMMM-YMD-SSSS-FFF`
39 to decode and display this information.
52 …), Locale("MS\\0x409"), Description("WMI Function"), guid("{8A42EA14-4F2A-FD45-6422-0087F7A7E608}"…
67 …[WmiMethodId(11), Implemented, read, write, Description("Return Battery Relative State-Of-Charge."…
79 Each WMI method takes an ACPI buffer containing a 32-bit index as input argument,
[all …]
/Documentation/devicetree/bindings/pci/
Dfsl,imx6q-pcie-common.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/fsl,imx6q-pcie-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lucas Stach <l.stach@pengutronix.de>
11 - Richard Zhu <hongxing.zhu@nxp.com>
22 clock-names:
26 num-lanes:
29 fsl,imx7d-pcie-phy:
31 description: A phandle to an fsl,imx7d-pcie-phy node. Additional
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/Documentation/driver-api/nvdimm/
Dsecurity.rst6 ---------------
16 ------------------
21 The "show" attribute of that attribute will display the security state for
28 update <old_keyid> <new_keyid> - enable or update passphrase.
29 disable <keyid> - disable enabled security and remove key.
30 freeze - freeze changing of security states.
31 erase <keyid> - delete existing user encryption key.
32 overwrite <keyid> - wipe the entire nvdimm.
33 master_update <keyid> <new_keyid> - enable or update master passphrase.
34 master_erase <keyid> - delete existing user encryption key.
[all …]
/Documentation/locking/
Dpi-futex.rst2 Lightweight PI-futexes
7 - in the user-space fastpath a PI-enabled futex involves no kernel work
9 calls - just pure fast atomic ops in userspace.
11 - even in the slowpath, the system call and scheduling pattern is very
14 - the in-kernel PI implementation is streamlined around the mutex
17 read-write lock support), only the owner may unlock a lock, no
20 Priority Inheritance - why?
21 ---------------------------
23 The short reply: user-space PI helps achieving/improving determinism for
24 user-space applications. In the best-case, it can help achieve
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