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All platforms using the shared DPLL framework use 3 reference clocks for their DPLLs: SSC, non-SSC and DSI. For a more unified way across platforms store the frequency of these ref clocks as part of the DPLL global state. This also allows us to keep the HW access reading out the ref clock value separate from the DPLL frequency calculation that depends on the ref clock. For now add only the SSC and non-SSC ref clocks, as the pre-ICL DSI code has its own logic for calculating DPLL parameters instead of the shared DPLL framework. v2: - Apply the ICL combo PHY PLL ref_clock/2 adjustment during the frequency->PLL param conversion direction as well. (CI shards) - s/kHZ/kHz/ (Ville) Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200228153328.17842-1-imre.deak@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.