Claude review: drm/i915/color: Extract HDR pre-CSC LUT programming to helper function

Claude Code Review Bot
2026-04-12T03:07:23Z

Patch Review

**Overall**: Clean refactoring. Moves the HDR pre-CSC LUT programming into `xelpd_load_hdr_pre_csc_lut()` with identical logic (including the fix from patch 5).

No issues.