EXA for radeon experimental patch

Alan Cox alan at lxorguk.ukuu.org.uk
Wed Aug 31 14:08:20 PDT 2005

On Mer, 2005-08-31 at 21:43 +0200, Soeren Sandmann wrote:
> Even on shared memory architectures, the "video memory" is
> uncached. It is not as slow as real video ram, but slow enough that
> doing the compositing in main memory is worthwhile.

It isnt clear if that is architecturally required or makes it work
sanely with other OS's software fallbacks

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