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028a7a989c
After doing some measuring, Icelake behaves on a par with Broadwell, and without having to compromise for low power cores with long latencies, we can reduce the powergating hysteresis so that the powersaving is enabled faster. No impact observed on client side throughput measures (so negligible increase in extra switching), and inspection from high frequency polling using igt/gem_exec_nop/sequential, provided an estimate for the upper bound before we can measure a substantial impact on latency. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191110185806.17413-9-chris@chris-wilson.co.uk
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.