Messages in this thread | | | Date | Fri, 27 May 2011 11:55:07 -0400 | From | Konrad Rzeszutek Wilk <> | Subject | Re: Question about iommu on x86_64 and radeon driver. |
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On Fri, May 27, 2011 at 04:48:39PM +0100, Daniel Haid wrote: > I have looked again at the radeon driver and it seems that the > drm drivers use vmalloc_32 to allocate their dma memory and > that vmalloc_32 should allocate physical 32-bit addresses > (in 2.6.39)?
The DRM code is not used anymore. It was used by XFree86 but nowadays the TTM code is used instead.
> > So why does it still not work?
Ah, this would be a lengthy writeup.. so did you look at the link I pointed you to?
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