drm/i915/display: extract glk_plane_color_ctl_input_csc helper

Extract the input CSC and YUV range correction logic from
glk_plane_color_ctl() into a dedicated glk_plane_color_ctl_input_csc()
helper. No functional change.

Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20260902075417.656673-3-chaitanya.kumar.borah@intel.com
This commit is contained in:
Chaitanya Kumar Borah 2026-09-02 13:24:10 +05:30
commit 0bc13827b3