linux-4.8.3-gentoo # dmesg | grep -i agp [ 0.000000] Found U3-AGP PCI host bridge. Firmware bus number: 240->255 [ 79.271669] Linux agpgart interface v0.103 [ 79.286888] agpgart-uninorth 0000:f0:0b.0: Apple U3H chipset [ 79.300467] agpgart-uninorth 0000:f0:0b.0: configuring for size idx: 64 [ 79.308235] agpgart-uninorth 0000:f0:0b.0: AGP aperture is 256M @ 0x0 [ 82.883029] agpgart-uninorth 0000:f0:0b.0: putting AGP V3 device into 8x mode [ 82.883040] radeon 0000:f0:10.0: putting AGP V3 device into 8x mode
linux-4.8.3-gentoo # dmesg | grep -i agp
[ 0.000000] Found U3-AGP PCI host bridge. Firmware bus number: 240->255
[ 79.271669] Linux agpgart interface v0.103
[ 79.286888] agpgart-uninorth 0000:f0:0b.0: Apple U3H chipset
[ 79.300467] agpgart-uninorth 0000:f0:0b.0: configuring for size idx: 64
[ 79.308235] agpgart-uninorth 0000:f0:0b.0: AGP aperture is 256M @ 0x0
[ 82.883029] agpgart-uninorth 0000:f0:0b.0: putting AGP V3 device into 8x mode
[ 82.883040] radeon 0000:f0:10.0: putting AGP V3 device into 8x mode