From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Daniel Haid <d.haid@gogi.tv>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Question about iommu on x86_64 and radeon driver.
Date: Wed, 25 May 2011 08:58:29 -0400 [thread overview]
Message-ID: <20110525125829.GC3467@dumpdata.com> (raw)
In-Reply-To: <1748634cd0eef25a5edea99e1953fe65@admin.gogi.tv>
On Tue, May 24, 2011 at 10:33:08PM +0100, Daniel Haid wrote:
> >Not bug per say. I've been working on making the TTM use the DMA API
> >so that those pages are allocated at startup and you don't end up
> >with having to sync the pages .. but I broke PowerPC and ARM
> >during 2.6.39
> >so I need to redo it.
>
> If this is not a bug, shouldn't there be a message like
> "radeon currently does not work with SWIOTLB, disabling..."
> instead of
> "ring test failed, disabling..."?
Or perhaps just fix the driver? That is what I am working on - are you
interested in doing some beta-testing when they are ready?
next prev parent reply other threads:[~2011-05-25 12:58 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-22 21:56 Question about iommu on x86_64 and radeon driver Daniel Haid
2011-05-23 22:05 ` Konrad Rzeszutek Wilk
2011-05-23 23:45 ` Daniel Haid
2011-05-24 15:50 ` Konrad Rzeszutek Wilk
2011-05-24 21:33 ` Daniel Haid
2011-05-25 12:58 ` Konrad Rzeszutek Wilk [this message]
2011-05-25 14:28 ` Daniel Haid
2011-05-24 22:48 ` Andi Kleen
2011-05-25 10:00 ` Daniel Haid
2011-05-25 12:57 ` Konrad Rzeszutek Wilk
2011-05-25 14:51 ` Daniel Haid
2011-05-25 20:21 ` Daniel Haid
2011-05-25 23:05 ` Andi Kleen
2011-05-27 15:48 ` Daniel Haid
2011-05-27 15:55 ` Konrad Rzeszutek Wilk
2011-05-27 22:20 ` Daniel Haid
2011-05-31 13:45 ` Konrad Rzeszutek Wilk
2011-05-31 15:34 ` Daniel Haid
2011-05-31 16:02 ` Konrad Rzeszutek Wilk
[not found] ` <0a8cb4bcad7fcf091a6bbe158323bba0@admin.gogi.tv>
2011-05-31 16:20 ` Daniel Haid
[not found] ` <20110531190412.GA21245@dumpdata.com>
2011-05-31 19:57 ` Daniel Haid
2011-06-01 13:24 ` Konrad Rzeszutek Wilk
2011-06-01 16:10 ` Daniel Haid
2011-06-01 21:51 ` Andi Kleen
2011-06-01 21:58 ` Daniel Haid
2011-06-01 22:22 ` Andi Kleen
2011-06-03 17:31 ` [PATCH] tentative fix for radeon on systems >4GB without hardware iommu Daniel Haid
2011-06-03 20:44 ` Alex Deucher
2011-06-03 23:13 ` Konrad Rzeszutek Wilk
2011-06-06 17:45 ` Daniel Haid
2011-06-06 17:41 ` Daniel Haid
2011-06-06 19:08 ` Alex Deucher
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