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According to the DSC spec, the slice width should be chosen such that the picture width (hactive) is evenly divisible by the slice width. If not, extra pixels (padding) must be added to the last slice to ensure all slices have the same width. Currently, we do not support handling these extra pixels. Therefore, select a slice count that evenly divides the hactive (slice_width = hactive / slice_count). This check is already implemented for DSI, where the slice count is selected from the BIOS. For DP, currently with 1, 2, 4 slices per pipe it is unlikely to have slice count not being able to divide hactive, but with 3 DSC engines and 3 slices, we can have such cases. Adding this check prepares for future scenarios where such configurations might be used. Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241030041036.1238006-7-ankit.k.nautiyal@intel.com
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.