cek pci
lspci -nn | grep VGA
instalasi
tambah repositroy list di /etc/apt/sources.list
#=======tambah==========
# Debian 8 "Jessie"
deb http://httpredir.debian.org/debian/ jessie main contrib non-free
#========end============
update
apt-get update
install driver
apt-get install firmware-linux-nonfree libgl1-mesa-dri xserver-xorg-video-ati
cek
dmesg | grep -E 'drm|radeon' | grep -iE 'firmware|microcode'
xrandr --listproviders
setting
xrandr --setprovideroffloadsink radeon Intel
test setting
DRI_PRIME=1 glxinfo | grep "OpenGL renderer"
