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DMABUFs are all handled by videobuf2, so there is no reason not to enable support for them. Note that this driver is still using the vmalloc allocator, so the buffers it allocates will not be compatible with the codec or ISP driver that require contiguous buffers. However this driver should be able to import the buffers allocated by them. Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.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.