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29eeb19604
At vop2_wait_for_irq_handler() we need to synchronize frame start irq, This is to avoid the ongoing commit very close to fs, and might be racing with a requested vblank interrupt, which would increment the software vblank counter before the changes being committed actually happen. besides, from rk3576 vop can support independent irq for each vp, we confirm vop2->merge_irq state at vop2_bind, and simplification other function logic. Signed-off-by: Sandy Huang <hjc@rock-chips.com> Change-Id: If93d8de7840590645c53bd3720eaca2f818a3cbe
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.