From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thierry Reding <thierry.reding-RM9K5IK7kjKj5M59NBduVrNAH6kLmebB@public.gmane.org>
Subject: Re: [RFC 4/4] drm: Add NVIDIA Tegra support
Date: Thu, 12 Apr 2012 15:34:46 +0200
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To: Marek Szyprowski <m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
Cc: Tomasz Stanislawski <t.stanislaws-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>, 'Arnd Bergmann' <arnd-r2nGTMty4D4@public.gmane.org>, devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, 'Daniel Vetter' <daniel-/w4YWyX8dFk@public.gmane.org>, 'Colin Cross' <ccross-z5hGa2qSFaRBDgjK7y7TUQ@public.gmane.org>, 'Jon Mayo' <jmayo-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
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* Marek Szyprowski wrote:
[...]
> We already have dma_map_page() and dma_map_single() which are very simila=
r.=20
> Maybe adding dma_map_pages() won't be such a bad idea?=20
>=20
> If not maybe we should provide some kind of helper functions which conver=
ts=20
> page array to scatterlist and then maps them.

drm_prime_pages_to_sg() seems to do exactly that.

Thierry

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