Rob Clark 73b7e48a87 drm/msm: Reject MAP_NULL op if no PRR
We need PRR support in order to implement MAP_NULL.  Userspace shouldn't
be trying to use this if it is unsupported.

Reported-by: Valentine Burley <valentine.burley@collabora.com>
Link: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37935#note_3153730
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Tested-by: Valentine Burley <valentine.burley@collabora.com>
Patchwork: https://patchwork.freedesktop.org/patch/682941/
Message-ID: <20251022222051.10030-1-robin.clark@oss.qualcomm.com>
2025-10-25 10:01:03 -07:00
2025-06-11 11:57:14 -07:00
2022-09-28 09:02:20 +02:00
2025-02-19 14:53:27 -07:00
2025-06-15 13:49:41 -07:00
2024-03-18 03:36:32 -06:00

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 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.
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