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ee40bbe630
The gpio hpd state will be mismatch the real state if the cable
plug before init the dp controller. So it need updage the gpio
hpd state when dp controller init.
Fixes: 601aff2337 ("drm/rockchip: dw-dp: optimize the logic to deal with hpd")
Change-Id: I6b7a3d88e2ef70e54ad9465859c1a55205f10c4f
Signed-off-by: Zhang Yubing <yubing.zhang@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.