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aa0ee7b4d5
In order to simplify the masters to set their respective dma masks, MTK IOMMU helps to centralize the processing. Because all the dma ranges is set in IOMMU, IOMMU knows well the dma mask requirements of masters. After this patch, the masters(codec here) code does not need care dma-ranges/dma_mask related information. Cc: Tiffany Lin <tiffany.lin@mediatek.com> Cc: Andrew-CT Chen <andrew-ct.chen@mediatek.com> Cc: Yunfei Dong <yunfei.dong@mediatek.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: irui wang <irui.wang@mediatek.com> Signed-off-by: Yong Wu <yong.wu@mediatek.com> Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20230411093144.2690-12-yong.wu@mediatek.com Signed-off-by: Joerg Roedel <jroedel@suse.de> |
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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.