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List:       freedesktop-xorg
Subject:    Re: EXA for radeon experimental patch
From:       Benjamin Herrenschmidt <benh () kernel ! crashing ! org>
Date:       2005-09-02 0:02:51
Message-ID: 1125619371.8726.73.camel () gaston
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On Thu, 2005-09-01 at 14:57 +0200, Lars Knoll wrote:

> Why this? The kernel has support for paging, so it could easily free up some 
> continuous pages just by swapping them out if they are used.

Thinking about it, it's not necessarily that bad. If you could get a
mecanism so that some of our pages get pinned down and retreive their
physical address, we could just issue multiple blit commands for each
line. For large pixmaps, it might still be more efficient...

Ben.



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