1 files changed, 13 insertions, 3 deletions
diff --git a/src/nvim/diff.c b/src/nvim/diff.c
index aafd50687e..5940dc55da 100644
--- a/src/nvim/diff.c
+++ b/src/nvim/diff.c
@@ -1007,6 +1007,10 @@ void ex_diffsplit(exarg_T *eap)
   bufref_T old_curbuf;
   set_bufref(&old_curbuf, curbuf);
 
+  // Need to compute w_fraction when no redraw happened yet.
+  validate_cursor();
+  set_fraction(curwin);
+
   // don't use a new tab page, each tab page has its own diffs
   cmdmod.tab = 0;
 
@@ -1032,6 +1036,9 @@ void ex_diffsplit(exarg_T *eap)
               curwin->w_cursor.lnum);
         }
       }
+      // Now that lines are folded scroll to show the cursor at the same
+      // relative position.
+      scroll_to_fraction(curwin, curwin->w_height);
     }
   }
 }
@@ -1154,10 +1161,13 @@ void ex_diffoff(exarg_T *eap)
         }
 
         foldUpdateAll(wp);
-
-        // make sure topline is not halfway through a fold
-        changed_window_setting_win(wp);
       }
+      // remove filler lines
+      wp->w_topfill = 0;
+
+      // make sure topline is not halfway a fold and cursor is
+      // invalidated
+      changed_window_setting_win(wp);
 
       // Note: 'sbo' is not restored, it's a global option.
       diff_buf_adjust(wp);