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Newer PowerVR GPUs (such as the BXS-4-64 MC1) use a RISC-V firmware processor instead of the previous MIPS or META. The current version of this patch depends on a patch[1] which exists in drm-misc-fixes, but has not yet made it back to drm-misc-next (the target of this patch). That patch adds the function pvr_vm_unmap_obj() which is used here. [1]: https://lore.kernel.org/r/20250226-hold-drm_gem_gpuva-lock-for-unmap-v2-1-3fdacded227f@imgtec.com Signed-off-by: Sarah Walker <sarah.walker@imgtec.com> Reviewed-by: Frank Binns <frank.binns@imgtec.com> Link: https://lore.kernel.org/r/20250410-sets-bxs-4-64-patch-v1-v6-14-eda620c5865f@imgtec.com Signed-off-by: Matt Coster <matt.coster@imgtec.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 reStructuredText 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.