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authorMikulas Patocka <mpatocka@redhat.com>2014-01-23 14:40:02 -0500
committerTomi Valkeinen <tomi.valkeinen@ti.com>2014-02-11 15:01:04 +0200
commitc38882e37e300dcd0b37793999909cdace359373 (patch)
treed081f539de7899ae5ffd380cea48fb5d416949cc /drivers/video/aty
parentc29dd8696dc5dbd50b3ac441b8a26751277ba520 (diff)
downloadlinux-c38882e37e300dcd0b37793999909cdace359373.tar.gz
atyfb: 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	4.9	3.6
24bpp	4.9	2.9
16bpp	4.9	2.1
8bpp	4.9	1.7

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video/aty')
-rw-r--r--drivers/video/aty/atyfb_base.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 5d7672cf2c70..c3d0074a32db 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -2653,7 +2653,8 @@ static int aty_init(struct fb_info *info)
 		      FBINFO_HWACCEL_IMAGEBLIT |
 		      FBINFO_HWACCEL_FILLRECT  |
 		      FBINFO_HWACCEL_COPYAREA  |
-		      FBINFO_HWACCEL_YPAN;
+		      FBINFO_HWACCEL_YPAN      |
+		      FBINFO_READS_FAST;
 
 #ifdef CONFIG_PMAC_BACKLIGHT
 	if (M64_HAS(G3_PB_1_1) && of_machine_is_compatible("PowerBook1,1")) {