How DRM differs from KGI?

Alan Cox alan at
Wed Aug 31 04:02:07 PDT 2011

> To sum up, the KGI folks mostly had the right ideas more than a decade
> earlier -- but they totally failed to present them in a viable form :-(

Bit more complex IMHO

In the KGI era graphics cards didn't really use main memory much, didn't
have long DMA engine command queues and that made a lot of the
kernel/user transitions very expensive.

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