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3ea44105bd
Call drm_dev_enter() and drm_dev_exit() in the outer-most callbacks of the modesetting pipeline. If drm_dev_enter() fails, the driver can thus avoid unnecessary work. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Tested-by: Javier Martinez Canillas <javierm@redhat.com> Tested-by: Noralf Trønnes <noralf@tronnes.org> # drm/tiny/mi0283qt Link: https://patchwork.freedesktop.org/patch/msgid/20221202125644.7917-9-tzimmermann@suse.de
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.