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Philipp Zabel
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The IPUv3 can read 8-bit alpha values from a separate IDMAC channel driven by the Alpha Transparency Controller (ATC) for the graphics IDMAC channels. This allows to reduce memory bandwidth via a conditional read mechanism or to support planar YUV formats with alpha transparency. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.