[Intel-gfx] [David Woodhouse] [Fwd: [2.6.32 PATCH] agp/intel-agp: Clear entire GTT on startup]
keithp at keithp.com
Wed Dec 2 19:04:17 PST 2009
On Thu, 3 Dec 2009 10:29:49 +0800, Zhenyu Wang <zhenyuw at linux.intel.com> wrote:
> Wow, this really does the trick! Tested on my G45, except the DMAR
> fault happens in boot even before intel-agp loading, I can't produce
> another fault in X any more. Hopefully this resolves all left issue with
> broken bioses.
It isn't perfect; there are still bugs which make it seem as if someone
is loading a physical address into the GTT, although we've gone over the
code several times and haven't found any obvious way that the GTT could
get a non virtual address.
keith.packard at intel.com
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 189 bytes
Desc: not available
Url : http://lists.freedesktop.org/archives/intel-gfx/attachments/20091202/fc195f2b/attachment.pgp
More information about the Intel-gfx