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Future platforms change the location of CCS AUX planes in CCS framebuffers, so add intel_fb_is_ccs_aux_plane() to query for these planes independently of the platform. This function can be used everywhere instead of is_ccs_plane() (or is_ccs_plane() && !cc_plane()), since all the callers are only interested in CCS AUX planes (and not CCS color-clear planes). Add the corresponding intel_fb_is_gen12_ccs_aux_plane(), which can be used everywhere instead of is_gen12_ccs_plane(), based on the above explanation. This change also unexports the is_gen12_ccs_modifier(), is_gen12_ccs_plane(), is_gen12_ccs_cc_plane() functions as they are only used in intel_fb.c v1-v2: Unchanged v3: (Ville) - Use ccs_aux instead of the ccs_ctrl term everywhere. - Use color_plane instead of plane term for FB plane indicies. v4: Fix version range check. (Jani) Cc: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211020195138.1841242-10-imre.deak@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.