From: Mikulas Patocka <mpatocka@redhat.com>
Date: Thu, 23 Jan 2014 19:38:11 +0000 (-0500)
Subject: matroxfb: set FBINFO_READS_FAST
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a2317e6a571bb089d71eab747959c245907bed15;p=linux-beck.git

matroxfb: set FBINFO_READS_FAST

Set FBINFO_READS_FAST so that the console code uses scrolling instead of
rewriting. This improves scrolling speed.

A time to do ls -la /usr/bin:
	original patched
32bpp	5.4	3.6
24bpp	5.1	3.0
16bpp	4.9	2.5
8bpp	4.9	2.0

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---

diff --git a/drivers/video/matrox/matroxfb_base.c b/drivers/video/matrox/matroxfb_base.c
index 87c64ff4546c..7116c5309c7d 100644
--- a/drivers/video/matrox/matroxfb_base.c
+++ b/drivers/video/matrox/matroxfb_base.c
@@ -1773,7 +1773,8 @@ static int initMatrox2(struct matrox_fb_info *minfo, struct board *b)
 				      FBINFO_HWACCEL_FILLRECT |  /* And fillrect */
 				      FBINFO_HWACCEL_IMAGEBLIT | /* And imageblit */
 				      FBINFO_HWACCEL_XPAN |      /* And we support both horizontal */
-				      FBINFO_HWACCEL_YPAN;       /* And vertical panning */
+				      FBINFO_HWACCEL_YPAN |      /* And vertical panning */
+				      FBINFO_READS_FAST;
 	minfo->video.len_usable &= PAGE_MASK;
 	fb_alloc_cmap(&minfo->fbcon.cmap, 256, 1);