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cf6c422bf5
The pipe may differ from crtc index if pipes are fused off. For testing purposes, IGT needs to know the pipe. There's already a I915_GET_PIPE_FROM_CRTC_ID IOCTL for this. However, the upcoming Xe driver won't have that IOCTL, and going forward, we'll want a unified interface for testing i915 and Xe, as they share the display code. Thus add the debugfs for i915 display. v2: User letters for pipe names (Ville) Cc: Bhanuprakash Modem <bhanuprakash.modem@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Tested-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230320124429.786985-2-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 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.