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If the system boots with MBUS joining enabled but we disable the relevant pipe during sanitation we later get into trouble as the rest of the code doesn't expect MBUS joining to be enabled unless the set of active pipes is in agreement. We could relax some of the MBUS joining related checks during normal atomic commits to let this slide, but that might also let some real bugs through. So let's sanitize the MBUS joining instead. And in order to keep things more or less in sync we'll do the related credit, cdclk/mdclk ratio, etc. updates as well. We'll stick to sturct drm_i915_private for now (instead of struct intel_display) since the rest of the skl wm code does the same, and we might need to bakport this. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241031155646.15165-6-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@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 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.