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The display architecture on Tegra186 and Tegra194 requires that there be some valid clock on all domains before accessing any display register. A further requirement is that in addition to the host1x, hub, disp and dsc clocks, all the head clocks (pclk0-2 on Tegra186 or pclk0-3 on Tegra194) must also be enabled. Implement this logic within the display hub driver to ensure the clocks are always enabled at the right time. Signed-off-by: Thierry Reding <treding@nvidia.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.