On Sat, Oct 31, 2009 at 12:39 AM, Alex Deucher <alexdeuc...@gmail.com> wrote:
> On Thu, Oct 29, 2009 at 11:32 PM, Dave Airlie <airl...@gmail.com> wrote:
>> From: Dave Airlie <airl...@redhat.com>
>>
>> When we are evicting from VRAM->RAM we allocate the ttm object,
>> but we don't set the caching policy on it before blitting into it.
>> This means on AGP we end up blitting into cached pages, and
>> the CPU later flushes out on top of them. This was mostly seen as
>> font corruption.
>>
>
> While we are here, are the PT snoop bits and caching set properly on
> pages in non-AGP gart?
>

They should be, however there is another bit in PCIE that decides whether
to use these bits, I'm not 100% sure on its status.

Dave.

------------------------------------------------------------------------------
Come build with us! The BlackBerry(R) Developer Conference in SF, CA
is the only developer event you need to attend this year. Jumpstart your
developing skills, take BlackBerry mobile applications to market and stay 
ahead of the curve. Join us from November 9 - 12, 2009. Register now!
http://p.sf.net/sfu/devconference
--
_______________________________________________
Dri-devel mailing list
Dri-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/dri-devel

Reply via email to