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Lucas Stach
ca0593a29e
A later change will use the FE debug registers to improve GPU progress monitoring. Instead of having to keep track of the usage state of the debug registers and lock access to the VIVS_HI_CLOCK_CONTROL register, statically enable debug register access during GPU init. The Vivante downstream driver seems to do the same thing since a while, so it should be okay to keep access enabled. (See gckHARDWARE_InitializeHardware in 6.4.11 downstream driver). Many debug registers contain bogus data if clock gating is enabled, so even if they are always accessible performance profiling still needs to manage some prerequisites. Reviewed-by: Christian Gmeiner <cgmeiner@igalia.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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 reStructuredText 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.