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List:       freedesktop-xorg
Subject:    Re: EXA for radeon experimental patch
From:       Alan Cox <alan () lxorguk ! ukuu ! org ! uk>
Date:       2005-08-31 21:08:20
Message-ID: 1125522500.3355.90.camel () localhost ! localdomain
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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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