enable FIFO disconnect feature
configname: CONFIG_FB_PM2_FIFO_DISCONNECT
Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Frame buffer Devices
└─>PCI support
└─>enable FIFO disconnect feature
In linux kernel since version 2.6.20 (release Date: 2007-02-04)
Support the Permedia2 FIFO disconnect feature.