Register cnt_en to avoid combinational loop.

libraries/base/dp/src/vhdl/dp_strobe_total_count.vhd

@@ -149,7 +149,18 @@ BEGIN
   -- . clear strobe counters immediately at cnt_clr
   -- . start strobe counters after ref_sync, e.g. to align strobe counters in different nodes in
   --   case the input was (already) active during the cnt_clr
-  cnt_en <= '0' WHEN cnt_clr = '1' ELSE '1' WHEN ref_sync_reg = '1' ELSE cnt_en;
+  p_cnt_en : PROCESS(dp_rst, dp_clk)
+  BEGIN
+    IF dp_rst = '1' THEN
+      cnt_en <= '0';
+    ELSIF rising_edge(dp_clk) THEN
+      IF cnt_clr = '1' THEN
+        cnt_en <= '0';
+      ELSIF ref_sync = '1' THEN  -- use ref_sync have cnt_en aligned with ref_sync_reg
+        cnt_en <= '1';
+      END IF;
+    END IF;
+  END PROCESS;
 
   -- strobe counters
   gen_counters : FOR I IN 0 TO g_nof_counts-1 GENERATE