[Bug 770585] glupload: propose dma buffer pool upstream based on ion allocator

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=770585

--- Comment #7 from Matthew Waters (ystreet00) <ystreet00 at gmail.com> ---
(In reply to Haihua Hu from comment #6)
> (In reply to Matthew Waters (ystreet00) from comment #5)
> > 
> > Erm, that's not going to fly.  What should happen is that the bufferpool
> > should fail setting the config with the unaligned size of which the easiest
> > thing is to propose a separate pool with the ion allocator.  At which point
> > it makes more sense to write a new upload method for ion than shoehorn this
> > into the dmabuf allocator.
> 
> You mean we need to implement a new buffer pool which is specific for ion
> buffer and override _set_config() vmethod to make it fail to set the
> unaligned size? As a result, we need to write a new uploader for ion dma-buf.

Yes to all that.

> > Another question, what hardware/software are you testing on?  Will this work
> > on any hardware that supports ion?
>
> We are testing this plugin on imx soc for linux, this patch will be useful
> on the platform which has ion support.

Ok.

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