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310e506c06
Add support to overlay plane, in addition to primary and cursor planes. In this approach, the plane composition still requires an active primary plane and planes are composed associatively in the order: (primary <- overlay) <- cursor It enables to run the following IGT tests successfully: - kms_plane_cursor: - pipe-A-[overlay, primary, viewport]-size-[64, 128, 256] - kms_atomic: - plane-overlay-legacy and preserves the successful execution of kms_cursor_crc, kms_writeback and kms_flip Signed-off-by: Melissa Wen <melissa.srw@gmail.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/8261bf93d8a0e3ffaf81d8e7c9b3e9c229116be3.1619250933.git.melissa.srw@gmail.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 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.