[PATCH] fixes to drm-next - TTM DMA code (v1)
James Simmons
jsimmons at infradead.org
Tue Dec 13 14:09:03 PST 2011
> Hi!
>
> I'm not whether any drivers are still using the AGP backend?
Actually the openchrome projects KMS kernel uses a AGP backend.
> Calling unpopulate / (previous clear) each time unbind is done should be quite
> inefficient with that one, as AGP sets up its own data structures and copies
> page tables
> on each populate. That should really be avoided unless there is a good reason
> to have it.
>
> /Thomas
>
>
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