1 files changed, 6 insertions, 4 deletions

diff --git a/src/scroll.c b/src/scroll.c
index 6c6aa4abf98..a786d3c2cf4 100644
--- a/src/scroll.c
+++ b/src/scroll.c
@@ -100,7 +100,8 @@ calculate_scrolling (frame, matrix, window_size, lines_below,
   register struct matrix_elt *p, *p1;
   register int cost, cost1;
 
-  int lines_moved = window_size + (scroll_region_ok ? 0 : lines_below);
+  int lines_moved = window_size
+    + (TERMINAL_SCROLL_REGION_OK (CURRENT_TERMINAL ()) ? 0 : lines_below);
   /* first_insert_cost[I] is the cost of doing the first insert-line
      at the i'th line of the lines we are considering,
      where I is origin 1 (as it is below).  */
@@ -466,7 +467,8 @@ calculate_direct_scrolling (frame, matrix, window_size, lines_below,
   /* Overhead of setting the scroll window, plus the extra cost
      cost of scrolling by a distance of one.  The extra cost is
      added once for consistency with the cost vectors */
-  scroll_overhead = scroll_region_cost + extra_cost;
+  scroll_overhead
+    = TERMINAL_SCROLL_REGION_COST (CURRENT_TERMINAL ()) + extra_cost;
 
   /* initialize the top left corner of the matrix */
   matrix->writecost = 0;
@@ -818,7 +820,7 @@ scrolling_1 (frame, window_size, unchanged_at_top, unchanged_at_bottom,
   matrix = ((struct matrix_elt *)
             alloca ((window_size + 1) * (window_size + 1) * sizeof *matrix));
 
-  if (scroll_region_ok)
+  if (TERMINAL_SCROLL_REGION_OK (CURRENT_TERMINAL ()))
     {
       calculate_direct_scrolling (frame, matrix, window_size,
                                   unchanged_at_bottom,
@@ -914,7 +916,7 @@ scroll_cost (frame, from, to, amount)
   if (amount == 0)
     return 0;
 
-  if (! scroll_region_ok)
+  if (! TERMINAL_SCROLL_REGION_OK (CURRENT_TERMINAL ()))
     limit = height;
   else if (amount > 0)
     limit += amount;