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Using the split gamma mode when we don't have to has the annoying
requirement of loading a linear LUT to the unused half. Instead
let's make life simpler by switching to the 10bit gamma mode
and duplicating each entry.
This also allows us to load the software gamma LUT into the
hardware degamma LUT, thus removing some of the buggy
configurations we currently allow (YCbCr/limited range RGB
+ gamma LUT). We do still have other configurations that are
also buggy, but those will need more complicated fixes
or they just need to be rejected. Sadly GLK doesn't have
this flexibility anymore and the degamma and gamma LUTs
are very different so no help there.
v2: Apply a mask when checking gamma_mode on icl since it
contains more bits than just the gamma mode
v3: Rebase due to EXT_GC_MAX/EXT2_GC_MAX changes
v4: s/advertize/advertise/ (Uma)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190401200231.2333-3-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| 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 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.