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matroxfb: set FBINFO_READS_FAST

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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>
This commit is contained in:
Mikulas Patocka 2014-01-23 14:38:11 -05:00 committed by Tomi Valkeinen
parent 5f4dc28bd9
commit a2317e6a57
1 changed files with 2 additions and 1 deletions
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3
drivers/video/matrox/matroxfb_base.c
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@ -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);