Thomas Zimmermann ee057f972d fbdev: Add Kconfig macro FB_IOMEM_HELPERS_DEFERRED
The new Kconfig macro FB_IOMEM_HELPERS_DEFERRED selects fbdev's
helpers for device I/O memory and deferred I/O. Drivers should
use it if they perform damage updates on device I/O memory.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230828132131.29295-4-tzimmermann@suse.de
2023-09-05 14:13:58 +02:00
2022-09-28 09:02:20 +02:00
2023-07-16 15:10:37 -07:00

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 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.
S
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