From 83cadc8abea8b13c3a94f3a2d2303022a7a79ccb Mon Sep 17 00:00:00 2001
From: Gabor Kiss-Vamosi <kisvegabor@gmail.com>
Date: Fri, 4 Jan 2019 08:40:33 +0100
Subject: [PATCH] LV_VDB_TRUE_DOUBLE_BUFFERED: improvements

---
 lv_core/lv_refr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lv_core/lv_refr.c b/lv_core/lv_refr.c
index fdeeda645..587b76ee8 100644
--- a/lv_core/lv_refr.c
+++ b/lv_core/lv_refr.c
@@ -215,6 +215,7 @@ static void lv_refr_task(void * param)
         uint8_t * buf_act = (uint8_t *) vdb_act->buf;
         uint8_t * buf_inv = (uint8_t *) vdb_ina->buf;
 
+        while(lv_vdb_is_flushing());
 
         uint16_t a;
         for(a = 0; a < inv_buf_p; a++) {