xf86-video-ati-7.10.0-r1 (enable-glamor) not worked

xf86-video-ati-7.10.0-r1 package not work for AMD APU (A8-7600),
to fix this, simply manual build and install driver:

sudo apk add xorg-server-dev libxi-dev libdrm-dev mesa-dev pixman-dev
wget http://www.x.org/releases/individual/driver/xf86-video-ati-7.10.0.tar.bz2
tar xf xf86-video-ati-7.10.0.tar.bz2
cd xf86-video-ati-7.10.0/
./configure --prefix=/usr --disable-glamor
make
sudo make install