I have a laptop with hybrid graphics. I'm using that xserver-xorg-video-ati driver. Ubuntu seems to be using the Intel GPU for rendering graphics. How do I switch to AMD graphics without installing fglrx drivers? I tried that vgaswitcheroo thing but I wasn't able to switch to AMD.
kyuunex@Ayumi-Linux:~$ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Thames [Radeon HD 7550M/7570M/7650M] (rev ff)