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[ Upstream commitc10e50a469] While switching the driver mode between active and passive, Collaborative Processor Performance Control (CPPC) is disabled in amd_pstate_unregister_driver(). But, it is not enabled back while registering the new driver (passive or active). This leads to the new driver mode not working correctly, so enable it back in amd_pstate_register_driver(). Fixes:3ca7bc818d("cpufreq: amd-pstate: Add guided mode control support via sysfs") Signed-off-by: Dhananjay Ugwekar <Dhananjay.Ugwekar@amd.com> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://lore.kernel.org/r/20241004122303.94283-1-Dhananjay.Ugwekar@amd.com Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.