Video

Video is set up by setting global variables in make.conf & portage takes care of the rest.

Determine Hardware

first determine which video card you have and which driver it requires.

root # lspci -k

Intel

gen 1&2:

   /etc/portage/make.conf - set video global variable

VIDEO_CARDS="intel"

gen 3

   /etc/portage/make.conf - set video global variable

VIDEO_CARDS="intel i915"

gen 4+

   /etc/portage/make.conf - set video global variable

VIDEO_CARDS="intel i965"

Ati

Open source drivers:

   /etc/portage/make.conf - set video global variable

VIDEO_CARDS="radeon"

Closed source drivers:

   /etc/portage/make.conf - set video global variable

VIDEO_CARDS="fglrx"

Nvidia

Open source drivers:

   /etc/portage/make.conf - set video global variable

VIDEO_CARDS="nouveau"

Closed source drivers:

   /etc/portage/make.conf - set video global variable

VIDEO_CARDS="nvidia"

Install

once your video cards variable is set in make.conf merge changes into your system

root # emerge -avuND world