Donnie Fang wrote:
> Sorry for omitting thomas.
>
> -- Forwarded message --
> From: *Donnie Fang* mailto:[email protected]>>
> Date: 2009/11/2
> Subject: how to make sure cache synchronization between GPU and CPU
> To: [email protected]
Sorry for omitting thomas.
-- Forwarded message --
From: Donnie Fang
Date: 2009/11/2
Subject: how to make sure cache synchronization between GPU and CPU
To: [email protected]
After review TTM code, i found that when BO is in AGP aperture, the cache
attribute for
After review TTM code, i found that when BO is in AGP aperture, the cache
attribute for this BO is often to be "WC".
So user mode page table will be "WC" of course. This guarantee that data
won't be cached by CPU and be visible to GPU correctly.
But how about the opposition in this case? How to gua
