mirror of
https://github.com/torvalds/linux.git
synced 2024-09-20 06:53:04 +00:00
A mirror of the official Linux kernel repository just in case
f592e01664
The initial idea of the Colorspace prop was that this maps 1:1 to InfoFrames/SDP but KMS does not give user space enough information nor control over the output format to figure out which variants can be used for a given KMS commit. At the same time, properties like Broadcast RGB expect full range quantization range being produced by user space from the CRTC and drivers to convert to the range expected by the sink for the chosen output format, mode, InfoFrames, etc. This change documents the reality of the Colorspace property. The Default variant unfortunately is very much driver specific and not reflected by the EDID. The BT2020 variants are in active use by generic compositors which have expectations from the driver about the conversions it has to do when selecting certain output formats. Everything else is also marked as undefined. Coming up with valid behavior that makes it usable from user space and consistent with other KMS properties for those variants is left as an exercise for whoever wants to use them. v2: * Talk about "pixel operation properties" that user space configures * Mention that user space is responsible for checking the EDID for sink support * Make it clear that drivers can choose between RGB and YCbCr on their own Signed-off-by: Sebastian Wick <sebastian.wick@redhat.com> Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.com> Signed-off-by: Maxime Ripard <mripard@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240702143017.2429975-1-sebastian.wick@redhat.com |
||
|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.