有點難回答, 沒用過 ati, 錯了別怪我.
只要是 emerge xxx 你沒事先抓好 xxx 的 source pkg & patch 放在 /usr/portage/distfiles, 它一定去網路找.
DRM: Direct Rendering Manager
在編 kernel 時, Character devices 一項裡:
x <M> /dev/agpgart (AGP Support)
x x [ ] Intel 440LX/BX/GX and I815/I820/I830M/I830MP/I840/I845/I850/I860 support
x x [ ] Intel I810/I815/I830M (on-board) support
x x [ ] VIA chipset support
x x [ ] AMD Irongate, 761, and 762 support
x x [ ] AMD 8151 support
x x [*] Generic SiS support
x x [ ] ALI chipset support
x x [ ] Serverworks LE/HE support
x x [ ] NVIDIA chipset support
x x [*] Direct Rendering Manager (XFree86 DRI support)
x x [ ] Build drivers for old (XFree 4.0) DRM x x
x x --- DRM 4.1 drivers
x x < > 3dfx Banshee/Voodoo3+
x x < > ATI Rage 128
x x < > ATI Radeon
x x < > Intel I810
x x < > Intel 830M
x x < > Matrox g200/g400
x x <M> SiS
我是 sis 晶片, 從這裡去踹踹看, 參考參考.