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a2d8c2aeb0
Maybe appear the following case: -> set gamma -> config done -> atomic commit --> update win format --> update win address ---> here maybe meet vop hardware frame start, and triggle some config take affect. ---> as only some config take affect, this maybe lead to iommu pagefault. --> update win size --> update win other parameters -> config done so we add readx_poll_timeout() to make sure the first config done take effect and then to do next frame config. Signed-off-by: Sandy Huang <hjc@rock-chips.com> Change-Id: I6ec67b374b3afd2bed4a57aa1e7b729964df1736
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.