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4bb2bf4c6a
Add F_MMU_IN_ORDER_WR_EN_MASK and F_MMU_STANDARD_AXI_MODE_EN_MASK definitions in MISC_CTRL register. F_MMU_STANDARD_AXI_MODE_EN_MASK: If we set F_MMU_STANDARD_AXI_MODE_EN_MASK (bit[3][19] = 0, not follow standard AXI protocol), the iommu will priorize sending of urgent read command over a normal read command. This improves the performance. F_MMU_IN_ORDER_WR_EN_MASK: If we set F_MMU_IN_ORDER_WR_EN_MASK (bit[1][17] = 0, out-of-order write), the iommu will re-order write commands and send the write commands with higher priority. Otherwise the sending of write commands will be done in order. The feature is controlled by OUT_ORDER_WR_EN platform data flag. Suggested-by: Yong Wu <yong.wu@mediatek.com> Signed-off-by: Chao Hao <chao.hao@mediatek.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/20200703044127.27438-5-chao.hao@mediatek.com Signed-off-by: Joerg Roedel <jroedel@suse.de> |
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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.