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| author | Alex Ivanov <lausgans@gmail.com> | 2015-06-15 08:50:45 +0300 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2015-07-10 21:44:19 +0200 |
| commit | cb908ed3495496b9973a2b9ed1a60f43933fdf01 (patch) | |
| tree | 6e7e6f68b2288d7d38c12d486d9f17a303808ba8 /README | |
| parent | c4b5fd3fb2058b650447372472ad24e2a989f9f6 (diff) | |
| download | linux-stable-cb908ed3495496b9973a2b9ed1a60f43933fdf01.tar.gz linux-stable-cb908ed3495496b9973a2b9ed1a60f43933fdf01.tar.bz2 linux-stable-cb908ed3495496b9973a2b9ed1a60f43933fdf01.zip | |
stifb: Implement hardware accelerated copyarea
This patch adds hardware assisted scrolling. The code is based upon the
following investigation: https://parisc.wiki.kernel.org/index.php/NGLE#Blitter
A simple 'time ls -la /usr/bin' test shows 1.6x speed increase over soft
copy and 2.3x increase over FBINFO_READS_FAST (prefer soft copy over
screen redraw) on Artist framebuffer.
Signed-off-by: Alex Ivanov <lausgans@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'README')
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