Re: [RFC 4/4] drm: Add NVIDIA Tegra support

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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)?

Yours, Daniel
Daniel Vetter
Mail: daniel@xxxxxxxx
Mobile: +41 (0)79 365 57 48
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