detaile_place: use default values

Signed-off-by: Øyvind Harboe <[email protected]>

Author: oharboe

flow/scripts/detail_place.tcl

@@ -7,7 +7,7 @@ source $::env(PLATFORM_DIR)/setRC.tcl
 
 proc do_dpl { } {
   # Only for use with hybrid rows
-  if { [env_var_equals BALANCE_ROWS 1] } {
+  if { $::env(BALANCE_ROWS) } {
     balance_row_usage
   }
 
@@ -16,7 +16,7 @@ proc do_dpl { } {
     -right $::env(CELL_PAD_IN_SITES_DETAIL_PLACEMENT)
   detailed_placement
 
-  if { [env_var_equals ENABLE_DPO 1] } {
+  if { $::env(ENABLE_DPO) } {
     if { [env_var_exists_and_non_empty DPO_MAX_DISPLACEMENT] } {
       improve_placement -max_displacement $::env(DPO_MAX_DISPLACEMENT)
     } else {