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Freq caps (i.e. RP0, RP1 and RPn frequencies) are read from HW. However the formats (bit positions, widths, registers and units) of these vary for different generations with even more variations arriving in the future. In order not to have to do identical computation for these caps in multiple places, here we centralize the computation of these caps. This makes the code cleaner and also more extensible for the future. v2: Clarify that caps are in "hw units" in comments (Lucas De Marchi) v3: Minor checkpatch fix v4: s/intel_rps_get_freq_caps/gen6_rps_get_freq_caps/ (Badal Nilawar) v5: Changes comments to kernel doc (Anshuman Gupta) Cc: Anshuman Gupta <anshuman.gupta@intel.com> Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Reviewed-by: Badal Nilawar <badal.nilawar@intel.com> Acked-by: Anshuman Gupta <anshuman.gupta@intel.com> Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220406191848.20895-1-ashutosh.dixit@intel.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.