drm/i915: Split ilk vs. icl csc matrix handling
Split the csc matrix handling to ilk+ and icl+ functions. This keeps the logic clear on what is loaded into which CSC unit on the hardware. We also fix the icl+ code to load the full->limited range conversion matrix into the output CSC rather than the pipe CSC which was used on earlier platforms. And we also turn on the pipe CSC only when the ctm is present. Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190218193137.22914-8-ville.syrjala@linux.intel.comReviewed-by: NUma Shankar <uma.shankar@intel.com>
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