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Commitf100ce3bbd("media: verisilicon: Fix crash when probing encoder") removed vpu_fmt from hantro_try_fmt(), since it was initialized from vpu_dst_fmt, which may not be initialized, when TRY_FMT is called. It was replaced by fmt, which is found using the pixelformat. For the encoder, this changed the fmt to contain the raw format instead of the coded format. The format constraints as of fmt->frmsize are only valid for the coded format and are 0 for the raw formats. Therefore, the size of a encoder OUTPUT device is constrained to 0 and the v4l2-compliance tests for G_FMT, TRY_FMT, and SET_FMT fail. Bring back vpu_fmt to use the coded format on an encoder OUTPUT device, but initialize it using the currently set pixelformat on dst_fmt, which is the coded format on an encoder. Fixes:f100ce3bbd("media: verisilicon: Fix crash when probing encoder") Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
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Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
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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.