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/linux/Documentation/userspace-api/media/v4l/
H A Dvidioc-g-edid.rst13 VIDIOC_G_EDID - VIDIOC_S_EDID - VIDIOC_SUBDEV_G_EDID - VIDIOC_SUBDEV_S_EDID - Get or set the EDID o…
46 These ioctls can be used to get or set an EDID associated with an input
56 pad of the subdevice. If there is no EDID support for the given ``pad``
59 To get the EDID data the application has to fill in the ``pad``,
61 array and call :ref:`VIDIOC_G_EDID <VIDIOC_G_EDID>`. The current EDID from block
67 ``blocks`` to the actual number of blocks. If there are no EDID blocks
75 total number of available EDID blocks and it will return 0 without
76 copying any data. This is an easy way to discover how many EDID blocks
81 If there are no EDID blocks available at all, then
84 To set the EDID blocks of a receiver the application has to fill in the
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H A Dext-ctrls-dv.rst23 can still be active when it comes to EDID (Extended Display
26 device to do the fairly slow EDID/HDCP handling in advance. This allows
43 Many connectors have a hotplug pin which is high if EDID information
62 will attempt to read the EDID. If set, then the transmitter has read
129 eeprom which contains EDID information, such that the source can
130 read the EDID even if the sink is in standby/power off. Each bit
H A Dvidioc-querycap.rst249 - The device stores the EDID for a video input, or retrieves the EDID for a video
250 output. It is a standalone EDID device, so no video streaming etc. will take place.
/linux/Documentation/admin-guide/
H A Dedid.rst4 EDID title
16 - The graphics board is unable to detect any EDID data.
17 - The graphics board incorrectly forwards EDID data to the driver.
18 - The monitor sends no or bogus EDID data.
19 - A KVM sends its own EDID data instead of querying the connected monitor.
26 individually prepared or corrected EDID data set in the /lib/firmware
/linux/drivers/media/platform/synopsys/hdmirx/
H A DKconfig20 bool "Load default EDID"
23 Preload default EDID (Extended Display Identification Data)
30 For a higher display modes you will need to load customized EDID
34 non-functional until EDID will be loaded from userspace.
36 commercial product that should utilize own branded EDID.
/linux/Documentation/fb/
H A Dudlfb.rst22 Mode setting, EDID read, etc are other bulk or control transfers. Mode
59 DisplayLink chips (Alex and Ollie family). It will then attempt to read the EDID
139 edid If a valid EDID blob is written to this file (typically
140 by a udev rule), then udlfb will use this EDID as a
141 backup in case reading the actual EDID of the monitor
144 communicate their capabilities via EDID. Reading
145 this file returns the current EDID of the attached
147 useful to get the EDID of the attached monitor,
H A Dintel810.rst54 - Supports EDID probing either by DDC/I2C or through the BIOS
102 be equal to hsync2. If EDID probing is successful, these will be
103 ignored and values will be taken from the EDID block.
111 rate. If EDID probing is successful, these will be ignored and values
112 will be taken from the EDID block.
201 supports I2C and has an EDID block, you can safely exclude hsync1, hsync2,
202 vsync1 and vsync2 parameters. These parameters will be taken from the EDID
H A Duvesafb.rst125 noedid Do not try to fetch and use EDID-provided modes.
136 EDID-provided values and BIOS defaults. Refer to your monitor's specs to get
H A Dmodedb.rst119 determined from its EDID. The version 1.3 of the EDID has extra 128-byte
/linux/Documentation/admin-guide/media/
H A Dcec.rst207 EDID changes, you can use ``cec-ctl`` with the ``-E`` option::
212 you which output is used) and it will poll for changes to the EDID and update
220 This only works for display drivers that expose the EDID in ``/sys/class/drm``,
414 read the EDIDs and (for the HDMI Input port) to set the EDID.
416 By default userspace is responsible to set the EDID for the HDMI Input
418 module option is set, then the driver will take care of setting the EDID
422 it will fall back to an EDID that just reports 1080p60.
453 A three character manufacturer name that is used in the EDID for the HDMI
454 Input. If not set, then userspace is responsible for configuring an EDID.
455 If set, then the driver will update the EDID automatically based on the
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H A Dvivid.rst431 For HDMI inputs it is possible to set the EDID. By default a simple EDID
432 is provided. You can only set the EDID for HDMI inputs. Internally, however,
433 the EDID is shared between all HDMI inputs.
435 No interpretation is done of the EDID data with the exception of the
439 reduced to 15) since that's the limitation of the EDID physical address.
482 An HDMI output has a valid EDID which can be obtained through VIDIOC_G_EDID.
485 reduced to 15) since that's the limitation of the EDID physical address. See
847 - Maximum EDID Blocks:
849 determines how many EDID blocks the driver supports.
850 Note that the vivid driver does not actually interpret new EDID
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/linux/drivers/video/fbdev/riva/
H A Drivafb.h58 unsigned char *EDID; member
H A Dfbdev.c1744 par->EDID = (unsigned char *)pedid; in riva_get_EDID_OF()
1767 riva_probe_i2c_connector(par, i, &par->EDID); in riva_get_EDID_i2c()
1768 if (par->EDID && !fb_parse_edid(par->EDID, &var)) { in riva_get_EDID_i2c()
1775 return (par->EDID) ? 1 : 0; in riva_get_EDID_i2c()
1834 fb_edid_to_monspecs(par->EDID, &info->monspecs); in riva_get_edidinfo()
2085 kfree(par->EDID); in rivafb_remove()
/linux/Documentation/userspace-api/media/cec/
H A Dcec-ioc-adap-g-phys-addr.rst70 EDID of the sink.
72 For example, the EDID for each HDMI input of the TV will have a
H A Dcec-ioc-adap-g-caps.rst82 handled by the kernel whenever the EDID is set (for an HDMI
/linux/Documentation/devicetree/bindings/powerpc/fsl/
H A Ddiu.txt13 - edid : verbatim EDID data block describing attached display.
/linux/Documentation/devicetree/bindings/display/
H A Dsm501fb.txt16 - edid : verbatim EDID data block describing attached display.
/linux/arch/arm/boot/dts/nvidia/
H A Dtegra30-colibri-eval-v3.dts79 /* DDC_CLOCK/DATA on X3 pin 15/16 (e.g. display EDID) */
H A Dtegra20-colibri-iris.dts143 /* DDC_CLOCK/DATA on X3 pin 15/16 (e.g. display EDID) */
H A Dtegra30-apalis-eval.dts112 /* DDC: I2C2_SDA/SCL on MXM3 pin 205/207 (e.g. display EDID) */
H A Dtegra20-colibri-eval-v3.dts143 /* DDC_CLOCK/DATA on X3 pin 15/16 (e.g. display EDID) */
H A Dtegra124-apalis-v1.2-eval.dts108 * (e.g. display EDID)
H A Dtegra124-apalis-eval.dts95 * GEN2_I2C: I2C2_SDA/SCL (DDC) on MXM3 pin 205/207 (e.g. display EDID)
H A Dtegra30-apalis-v1.1-eval.dts113 /* DDC: I2C2_SDA/SCL on MXM3 pin 205/207 (e.g. display EDID) */
/linux/Documentation/gpu/
H A Dvkms.rst243 - Change output configuration: Plug/unplug screens, change EDID, allow changing
265 testing. Also needs support to specify the EDID.

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