* Daniel Vetter wrote:
> On Wed, Apr 11, 2012 at 02:10:30PM +0200, Thierry Reding wrote:
> > This commit adds a very basic DRM driver for NVIDIA Tegra SoCs. It
> > currently has rudimentary GEM support and can run a console on the
> > framebuffer as well as X using the xf86-video-modesetting driver.
> > Only the RGB output is supported. Quite a lot of things still need
> > to be worked out and there is a lot of room for cleanup.
> 
> Indeed, after a quick look there are tons of functions that are just stubs
> ;-) One thing I wonder though is why you directly use the iommu api and
> not wrap it up into dma_map? Is arm infrastructure just not there yet or
> do you plan to tightly integrate the tegra drm with the iommu (e.g. for
> process space switching or similarly funky stuff)?

I'm not sure I know what you are referring to. Looking for all users of
iommu_map() doesn't turn up anything related to dma_map. Can you point me in
the right direction?

Thierry

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