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ab24b712e1
This may be used by android solid color layer, userspace can set
plane BACKGROUND prop to assigned color, the plane will display
this color and no need to access DDR.
The color value should layout as following:
Enable:
val = BIT(31) | R << 16 | G << 8 | B;/* R/G/B can be 0 ~ 0xff */
For example, set a pure red color:
modetest -w 125:BACKGROUND:2164195328
Disable:
modetest -w 125:BACKGROUND:0
Signed-off-by: Sandy Huang <hjc@rock-chips.com>
Change-Id: Ie1e077594e385e8ddd244f7c33b6182309a5c134
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.