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28b7c8a167
Implement the Automated Built-In Self-Test ABIST functionality provided by the HDMIv2 IP and expose it through the "hdmi_abist" debugfs file. Write "1" to this file to activate ABIST, or "0" to deactivate. The ABIST functionality can be used to validate that the HDMI Transmitter itself works and that can output a valid image to the HDMI Display that is connected. This is especially useful when trying to rule out any possible issue that is related to the display pipeline, as the HDMI Tx is always the last component; this means that HDMI ABIST can be used even without prior display controller pipeline configuration. The expected output is a 100% color bar (rainbow) test pattern. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud@collabora.com> Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20251023-mediatek-drm-hdmi-v2-v11-10-7873ec4a1edf@collabora.com/ Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .pylintrc | ||
| .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.