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68910c2a90
The decision to use DFP output format conversion capabilities should be during compute_config phase. This patch uses the members of intel_dp->dfp to only store the format conversion capabilities of the DP device and uses the crtc_state sink_format member, to program the protocol-converter for colorspace/format conversion. v2: Use sink_format to determine the color conversion config for the pcon (Ville). v3: Fix typo: missing 'break' in switch case (lkp kernel test robot). v4: Add helper to check if DP supports YCBCR420. v5: Simplify logic for computing output_format, based on the given sink_format. (Ville). Added scaler constraint for YCbCr420 output. v6: Split the patch for Scaler constraint for Ycbcr420. v7: Simplify the policy for selecting output_format: Always try for RGB first, followed by YCBCR444, and finally by YCBCR420. v8: Removed redundant comments, minor refactoring. (Ville) v9: Added member for ycbcr420 passthrough cap, fixed minor issues. (Ville) Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230427125605.487769-3-ankit.k.nautiyal@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.