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Thomas Zimmermann 31eea29d72 drm/sysfb: Find screen_info format with helpers
Convert drm_sysfb_get_format_si() to lookup the screen_info color
format as struct pixel_format with screen_info_pixel_format(). Then
search the list of given formats for the screen_info format with
pixel_format_equal().

Replaces custom code with helpers. The pixel-compare helper
pixel_format_equal() also handles indexed color formats. Prepares
for sysfb drivers to support color palettes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://lore.kernel.org/r/20250714151513.309475-4-tzimmermann@suse.de
History 2025-08-26 09:54:17 +02:00
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README

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.