Re: [patch 5/8] [Intel IOMMU] Graphics driver workarounds to provide unity map

From: Christoph Hellwig
Date: Tue Apr 10 2007 - 04:34:15 EST


On Mon, Apr 09, 2007 at 02:55:57PM -0700, Ashok Raj wrote:
> Most GFX drivers don't call standard PCI DMA APIs to allocate DMA buffer,
> Such drivers will be broken with IOMMU enabled. To workaround this issue,
> we added two options.

All drm drivers do it. If the usual out of tree crap vendors are too
stupid for their own sake it's their fault.

So NACK to this patch.

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