From 0de6755cb2948f61c4fd4b1f1f9f75910575ef44 Mon Sep 17 00:00:00 2001
From: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: Sun, 28 Jan 2018 17:06:02 +0100
Subject: [PATCH] yaft: optimize blit2FB call for partial blit

---
 src/gui/widget/yaft/yaft_priv.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/gui/widget/yaft/yaft_priv.cpp b/src/gui/widget/yaft/yaft_priv.cpp
index 5217c6326..3f44eefb3 100644
--- a/src/gui/widget/yaft/yaft_priv.cpp
+++ b/src/gui/widget/yaft/yaft_priv.cpp
@@ -821,8 +821,7 @@ void YaFT_p::refresh()
 #if 1
 	if (fb.dy_max != -1) {
 		int blit_height = fb.dy_max - fb.dy_min;
-		uint32_t *blit_start = fb.buf + (fb.dy_min * fb.width);
-		fb.cfb->blit2FB(blit_start, fb.width, blit_height, fb.xstart, fb.ystart+fb.dy_min, 0, 0);
+		fb.cfb->blit2FB(fb.buf, fb.width, blit_height, fb.xstart, fb.ystart+fb.dy_min, 0, fb.dy_min);
 	}
 #else
 	fb.cfb->blit2FB(fb.buf, fb.width, fb.height, fb.xstart, fb.ystart, 0, 0);