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6dde0ae30a
The "mali_0" or "mali_1" clock trees should not be updated while the clock is running. Enforce this by setting CLK_SET_RATE_GATE on the "mali_0" and "mali_1" gates. This makes the CCF switch to the "mali_1" tree when "mali_0" is currently active and vice versa, which is exactly what the vendor driver does when updating the frequency of the mali clock. Also propagate set_rate requests from the gate to the divider and from the divider to the the mux so the GPU clock frequency can be updated at runtime (which will be required for GPU DVFS). Don't propagate rate changes to the mux parents because we don't want to change the MPLL clocks (these are reserved for audio). Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Acked-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://lore.kernel.org/r/20200414195031.224021-3-martin.blumenstingl@googlemail.com |
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| certs | ||
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
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| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| README | ||
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.