From: Simon Glass <sjg@chromium.org>
Date: Thu, 1 Jan 2015 23:17:58 +0000 (-0700)
Subject: x86: config: Always scroll the display by 5 lines, for speed
X-Git-Tag: v2025.01-rc5-pxa1908~13858^2~16
X-Git-Url: http://git.dujemihanovic.xyz/img/static/git-favicon.png?a=commitdiff_plain;h=d1a5d3c133a07d6035b9f97a6315afed7d73514a;p=u-boot.git

x86: config: Always scroll the display by 5 lines, for speed

Scrolling a line at a time is very slow for reasons that I don't understand.
It seems to take about 100ms to copy 4MB of RAM in the frame buffer. To cope
with this, scroll 5 lines each time.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

diff --git a/include/configs/x86-common.h b/include/configs/x86-common.h
index f16ae32913..4f0a3c5928 100644
--- a/include/configs/x86-common.h
+++ b/include/configs/x86-common.h
@@ -179,6 +179,7 @@
 #define VIDEO_FB_16BPP_WORD_SWAP
 #define CONFIG_I8042_KBD
 #define CONFIG_CFB_CONSOLE
+#define CONFIG_CONSOLE_SCROLL_LINES 5
 
 /*-----------------------------------------------------------------------
  * CPU Features