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VLV has a so called "wide gamut color correction" unit (WGC). What it is is a 3x3 matrix similar to the later CHV CGM CSC, with less precisions/range. In fact CHV also has the WGC but using it there doesn't really make sense when you have the superior CGM CSC around. Hook up the necessary stuff to expose the WGC as the CTM crtc property. One additional crazy idea that came to mind would be to use the WGC as an output CSC on CHV for YCbCr output. But it would be incompatible with the legacy LUT usage. In fact since the WGC lacks post-offsets we'd probably have to use the legacy LUT to do that final part of the RGB->YCbCr conversion. Sounds doable, but perhaps not worth the hassle. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230413164916.4221-6-ville.syrjala@linux.intel.com Reviewed-by: Uma Shankar <uma.shankar@intel.com> |
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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 | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
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| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
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| 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 Restructured Text 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.