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G3D clocks require special handling of their parent bus clock during power domain on/off sequences. Those clocks were not initially added to the sub-CMU handler, because that time there was no open-source driver for the G3D (MALI Panfrost) hardware module and it was not possible to test it. This patch fixes this issue. Parent clock for G3D hardware block is now properly preserved during G3D power domain on/off sequence. This restores proper MALI Panfrost performance broken by commit8686764fc0("ARM: dts: exynos: Add G3D power domain to Exynos542x"). Reported-by: Marian Mihailescu <mihailescu2m@gmail.com> Fixes:b06a532bf1("clk: samsung: Add Exynos5 sub-CMU clock driver") Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Tested-by: Marian Mihailescu <mihailescu2m@gmail.com> Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.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.