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85976d3774
Add support to use OPP table from DT in Tegra186 cpufreq driver. Tegra SoC's receive the frequency lookup table (LUT) from BPMP-FW. Cross check the OPP's present in DT against the LUT from BPMP-FW and enable only those DT OPP's which are present in LUT also. The OPP table in DT has CPU Frequency to bandwidth mapping where the bandwidth value is per MC channel. DRAM bandwidth depends on the number of MC channels which can vary as per the boot configuration. This per channel bandwidth from OPP table will be later converted by MC driver to final bandwidth value by multiplying with number of channels before being handled in the EMC driver. If OPP table is not present in DT, then use the LUT from BPMP-FW directly as the CPU frequency table and not do the DRAM frequency scaling which is same as the current behavior. Signed-off-by: Aaron Kling <webgeek1234@gmail.com> [ Viresh: Fix _free() definitions ] Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
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Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
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There are various text files in the Documentation/ subdirectory,
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Please read the Documentation/process/changes.rst file, as it contains the
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the problems which may result by upgrading your kernel.