Martin Kaiser 29fb046ec0 fbdev: imxfb: warn about invalid left/right margin
[ Upstream commit 4e47382fbca916d7db95cbf9e2d7ca2e9d1ca3fe ]

Warn about invalid var->left_margin or var->right_margin. Their values
are read from the device tree.

We store var->left_margin-3 and var->right_margin-1 in register
fields. These fields should be >= 0.

Fixes: 7e8549bcee00 ("imxfb: Fix margin settings")
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-27 08:46:58 +02:00
2023-02-25 12:06:45 +01:00
2023-07-27 08:46:55 +02:00
2023-07-23 13:47:17 +02:00
2021-10-18 20:22:03 -10:00
2023-06-21 15:59:15 +02:00
2023-07-24 19:08:20 +02:00

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.
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