diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c
index 9d58c28d3bdf..9eb28d935757 100644
--- a/drivers/gpu/drm/i915/display/skl_watermark.c
+++ b/drivers/gpu/drm/i915/display/skl_watermark.c
@@ -1878,18 +1878,21 @@ static void skl_compute_plane_wm(const struct intel_crtc_state *crtc_state,
 			} else {
 				blocks++;
 			}
-
-			/*
-			 * Make sure result blocks for higher latency levels are
-			 * at least as high as level below the current level.
-			 * Assumption in DDB algorithm optimization for special
-			 * cases. Also covers Display WA #1125 for RC.
-			 */
-			if (result_prev->blocks > blocks)
-				blocks = result_prev->blocks;
 		}
 	}
 
+	/*
+	 * Make sure result blocks for higher latency levels are
+	 * at least as high as level below the current level.
+	 * Assumption in DDB algorithm optimization for special
+	 * cases. Also covers Display WA #1125 for RC.
+	 *
+	 * Let's always do this as the algorithm can give non
+	 * monotonic results on any platform.
+	 */
+	blocks = max_t(u32, blocks, result_prev->blocks);
+	lines = max_t(u32, lines, result_prev->lines);
+
 	if (DISPLAY_VER(display) >= 11) {
 		if (wp->y_tiled) {
 			int extra_lines;