From 13c45a865a58b3b3a4fc281582b321caa71f02f0 Mon Sep 17 00:00:00 2001
From: Nikolay <MPolianovskyi@wavesglobal.com>
Date: Wed, 24 Dec 2014 18:18:13 +0200
Subject: [PATCH] [Summary] Vertical zoom performance improvement sugested by
 Valery [Reviewed] VKamyshniy

---
 gtk2_ardour/editor_ops.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gtk2_ardour/editor_ops.cc b/gtk2_ardour/editor_ops.cc
index c0922ad0d0..42c4ba2d4e 100644
--- a/gtk2_ardour/editor_ops.cc
+++ b/gtk2_ardour/editor_ops.cc
@@ -6588,6 +6588,7 @@ Editor::set_track_height (Height h)
 void
 Editor::vertical_zoom_by_slider()
 {
+    DisplaySuspender ds;
 	for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 		(*i)->set_height (_vertical_zoom_adjustment.get_value()*22);
 	}