diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c
index 7ef870cd9a16..7185f3628dcf 100644
--- a/drivers/gpu/drm/i915/display/intel_color.c
+++ b/drivers/gpu/drm/i915/display/intel_color.c
@@ -4038,11 +4038,11 @@ xelpd_program_plane_post_csc_lut(struct intel_dsb *dsb,
 						   lut_val);
 			}
 
-			/* Segment 2 */
+			/* Segment 2 - clamp to the last LUT value to prevent step discontinuity */
 			do {
 				intel_de_write_dsb(display, dsb,
 						   PLANE_POST_CSC_GAMC_DATA_ENH(pipe, plane, 0),
-						   (1 << 24));
+						   lut_val);
 			} while (i++ < 34);
 		} else {
 			/*TODO: Add for segment 0 */