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Add support for DLVR (Digital Linear Voltage Regulator) for Lunar Lake. There are no new sysfs attributes or difference in operation compared to prior generations. MMIO offset and bit positions are changed compared to Meteor Lake processors. Also for two attributes dlvr_frequency_mhz and dlvr_frequency_select, the value presented or accepted by the firmware is not raw frequency value but an index. For example: RFI_FREQ_SELECT and RFI_FREQ : 0 DLVR freq point 2227.2 MHz : 1 DLVR freq point 2140 MHz Hence create a mapping table for Lunar Lake to map user space values to the firmware accepted values. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Link: https://patch.msgid.link/20240619124600.491168-4-srinivas.pandruvada@linux.intel.com Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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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.