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66a0e06813
As of Xe2LPD, it is now possible to select the source of the MDCLK as either the CD2XCLK or the CDCLK PLL. Previous display IPs were hardcoded to use the CD2XCLK. For those, the ratio between MDCLK and CDCLK remained constant, namely 2. For Xe2LPD, when we select the CDCLK PLL as the source, the ratio will vary according to the squashing configuration (since the cd2x divisor is fixed for all supported configurations). To help the transition to supporting changes in the ratio, extract the function intel_dbuf_mdclk_cdclk_ratio_update() from the existing logic and call it using 2 as hardcoded ratio. Upcoming changes will use that function for updates in the ratio due to CDCLK changes. Bspec: 50057, 69445, 49213, 68868 Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240312163639.172321-5-gustavo.sousa@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@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 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.