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CONFIG_AGP: /dev/agpgart (AGP Support)

General informations

The Linux kernel configuration item CONFIG_AGP:

Help text

AGP (Accelerated Graphics Port) is a bus system mainly used to connect graphics cards to the rest of the system.

If you have an AGP system and you say Y here, it will be possible to use the AGP features of your 3D rendering video card. This code acts as a sort of "AGP driver" for the motherboard's chipset.

If you need more texture memory than you can get with the AGP GART (theoretically up to 256 MB, but in practice usually 64 or 128 MB due to kernel allocation issues), you could use PCI accesses and have up to a couple gigs of texture space.

Note that this is the only means to have X/GLX use write-combining with MTRR support on the AGP bus. Without it, OpenGL direct rendering will be a lot slower but still faster than PIO.

To compile this driver as a module, choose M here: the module will be called agpgart.

You should say Y here if you want to use GLX or DRI.

If unsure, say N.

Hardware

PCI

Numeric ID (from LKDDb) and names (from pci.ids) of recognized devices:

LKDDb

Raw data from LKDDb:

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