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a335f80dff
The pixel shift feature allows to specify an X and Y direction offset
and apply offset to all planes.
Specify the vp to enable the feature in the dts:
&vp1 {
rockchip,pixel-shift-enable;
};
Offset values can be specified in user space:
echo shift_x shift_y > /sys/class/drm/card0/video_portX/pixel_shift
The "X" in "video_portX" corresponds to the video port id.
Change-Id: I96d3bc5bc21114621606cb38243dfc015c5f8ba3
Signed-off-by: Chaoyi Chen <chaoyi.chen@rock-chips.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 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.