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The ssd130x_crtc_mode_valid() function contains a manual implementation to validate the display mode against the panel's single fixed resolution. This pattern is common for simple displays, and the DRM core already provides the drm_crtc_helper_mode_valid_fixed() helper for this exact use case. Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Iker Pedrosa <ikerpedrosam@gmail.com> Link: https://lore.kernel.org/r/20250920-improve-ssd130x-v2-3-77721e87ae08@gmail.com Signed-off-by: Javier Martinez Canillas <javierm@redhat.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.