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Zhihui Chen
f2f8653e0d
both crtc_state->adjusted_mode.hdisplay and crtc_state->adjusted_mode.vdisplay are 0 when switch dpms off, return -EINVAL cause switch dpms off fail. Signed-off-by: Zhihui Chen <chenzhihui4@huawei.com> Signed-off-by: Xinliang Liu <xinliang.liu@linaro.org> Acked-by: Xinliang Liu <xinliang.liu@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191220023004.2658-1-chenzhihui4@huawei.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.