From: David Miller <davem@davemloft.net>
To: michel@daenzer.net
Cc: benh@kernel.crashing.org, airlied@linux.ie,
dri-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: Re: [PATCH]: drm: radeon: Use surface for PCI GART table.
Date: Sat, 14 Feb 2009 02:04:31 -0800 (PST) [thread overview]
Message-ID: <20090214.020431.193689843.davem@davemloft.net> (raw)
In-Reply-To: <1234605599.4823.177.camel@thor>
From: Michel Dänzer <michel@daenzer.net>
Date: Sat, 14 Feb 2009 10:59:59 +0100
> On Sat, 2009-02-14 at 01:51 -0800, David Miller wrote:
> > This allocates a physical surface for the PCI GART table, this way no
> > matter what other surface configurations exist the GART table will
> > always be seen by the hardware properly.
>
> BTW, I don't think the swapping settings affect GPU access to the table,
> only CPU access, but this is a good solution anyway.
They absolutely and positively do effect GPU access to the table.
I've proven it with many conclusive tests over the past 3 days.
> This is only really necessary on big endian, but other than that:
>
> Acked-By: Michel Dänzer <daenzer@vmware.com>
Thanks.
next prev parent reply other threads:[~2009-02-14 10:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-14 9:51 [PATCH]: drm: radeon: Use surface for PCI GART table David Miller
2009-02-14 9:59 ` Michel Dänzer
2009-02-14 10:04 ` David Miller [this message]
2009-02-14 11:35 ` Jerome Glisse
2009-02-14 11:41 ` Dave Airlie
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090214.020431.193689843.davem@davemloft.net \
--to=davem@davemloft.net \
--cc=airlied@linux.ie \
--cc=benh@kernel.crashing.org \
--cc=dri-devel@lists.sourceforge.net \
--cc=linux-kernel@vger.kernel.org \
--cc=michel@daenzer.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox