[PATCH 4/10] atyfb: set FBINFO_READS_FAST
From: Mikulas Patocka <mpatocka@redhat.com>
Date: 2014-01-23 19:40:02
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> --- drivers/video/aty/atyfb_base.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) Index: linux-3.13-rc1/drivers/video/aty/atyfb_base.c =================================--- linux-3.13-rc1.orig/drivers/video/aty/atyfb_base.c 2013-11-27 00:25:42.000000000 +0100
+++ linux-3.13-rc1/drivers/video/aty/atyfb_base.c 2013-11-27 00:25:55.000000000 +0100@@ -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")) {