Messages in this thread | | | Date | Fri, 30 Nov 2012 09:44:36 +0200 | From | Terje Bergström <> | Subject | Re: [RFC v2 8/8] drm: tegra: Add gr2d device |
| |
On 29.11.2012 14:14, Thierry Reding wrote: > On Thu, Nov 29, 2012 at 10:09:13AM +0100, Lucas Stach wrote: >> This way you would also be able to construct different handles (like GEM >> obj or V4L2 buffers) from the same backing nvhost object. Note that I'm >> not sure how useful this would be, but it seems like a reasonable design >> to me being able to do so. > > Wouldn't that be useful for sharing buffers between DRM and V4L2 using > dma-buf? I'm not very familiar with how exactly importing and exporting > work with dma-buf, so maybe I need to read up some more.
I would still preserve the dma-buf support, for exactly this purpose.
Terje
| |