>Chipsets of the motherboard, or chipset of the card? >Does the agp code still support that type of direct mapping for those >cards, and could you point me to the place in the driver code where that is >done? >It looks like the latest linux agpgart_be.c only uses gatt tables, which >seems to imply it doesnt do the "direct" mapping any more ? > >[ugh. its tough wading through the linux code: there are waaay too > many #define shortcut()s ]
Depends on the host AGP chipset, not the card. So far, the userland ioctl API can only mmap the physical aperture, not RAM pages, so it doesn't work with chipsets that don't support this feature. The stock DRM doesn't neither, only patched versions to support that mapping of RAM pages work and only with the in-kernel agpgart API. Ben. _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
