Do I need to use open source drive of ati for Switcheroo?

Question

In ubuntu11.10 , I still need to use open source drive of ATI when using Switcheroo ? The 'addon driver' in system menu is about open drive or propriety driver ? Thanks

Answer 1

Switcheroo works for open-source drivers only (radeon, i915, nouveau). The Additional drivers program tries to install proprietary drivers which do not work with switcheroo.

See also:

• I can not find /sys/kernel/debug/vgaswitcheroo/switch