Simon Xue ac9dc34b8c ARM/dma-mapping: increase iommu bitmap size to 64KB
Due to the maximum bitmap size limit of 4KB and the restriction
on cross-bitmap allocation requests, a single IOVA allocation cannot
exceed 128MB. This does not meet the requirements of the NPU.Increase
the bitmap size to 64KB will allow a maximum single IOVA allocation
of 2GB to address this issue.

Change-Id: I38cbdef5622e049aa0bc08009707ad60943dfd42
Signed-off-by: Simon Xue <xxm@rock-chips.com>
2025-04-03 02:45:35 +00:00
2025-01-25 10:26:37 +08:00
2025-01-10 17:48:57 +08:00
2025-01-25 10:26:37 +08:00
2025-01-10 17:48:57 +08:00
2025-01-25 10:26:37 +08:00
2025-01-25 10:26:37 +08:00
2025-01-10 17:48:57 +08:00
2024-11-17 15:07:22 +01:00

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.
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