From bfc735a004f383d9f0ab61b5e507ab83f183878f Mon Sep 17 00:00:00 2001
From: Gabor Kiss-Vamosi <kisvegabor@gmail.com>
Date: Wed, 29 Nov 2017 15:41:57 +0100
Subject: [PATCH] lv_conf_templ: add LV_VDB_DOUBLE

---
 lv_conf_templ.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lv_conf_templ.h b/lv_conf_templ.h
index aef7a6104..9fae5edfa 100644
--- a/lv_conf_templ.h
+++ b/lv_conf_templ.h
@@ -34,6 +34,10 @@
 /* Buffered rendering: >= LV_DOWNSCALE * LV_HOR_RES or 0 to disable buffering*/
 #define LV_VDB_SIZE         (40 * LV_VER_RES)
 
+/* Use two Virtual Display buffers (VDB) parallelize rendering and flushing
+ * The flushing should use DMA to write the frame buffer in the background*/
+#define LV_VDB_DOUBLE       0
+
 /* Enable anti aliasing
  * If enabled everything will be rendered in double size and filtered to normal size */
 #define LV_ANTIALIAS        0