Re: [PATCH] vivid: Add support for the dma-contig memory allocator

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Hi Hans,

On Friday 04 December 2015 23:50:31 Hans Verkuil wrote:
> On December 4, 2015 11:05:48 PM GMT+01:00, Laurent Pinchart wrote:
> > To test buffer sharing with devices that require contiguous memory
> > buffers the dma-contig allocator is required. Support it and make the
> > allocator selectable through a module parameter. Support for the two
> > memory allocators can also be individually selected at compile-time to
> > avoid bloating the kernel with an unneeded allocator.
> >
> > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> >---
> >
> > drivers/media/platform/vivid/Kconfig         | 21 ++++++++++++-
> > drivers/media/platform/vivid/vivid-core.c    | 44 ++++++++++++++++++++----
> > drivers/media/platform/vivid/vivid-core.h    |  1 +
> > drivers/media/platform/vivid/vivid-sdr-cap.c |  3 ++
> > drivers/media/platform/vivid/vivid-vbi-cap.c |  2 ++
> > drivers/media/platform/vivid/vivid-vbi-out.c |  1 +
> > drivers/media/platform/vivid/vivid-vid-cap.c |  9 ++----
> > drivers/media/platform/vivid/vivid-vid-out.c |  9 ++----
> > 8 files changed, 72 insertions(+), 18 deletions(-)

[snip]

> Apologies for top posting, I'm sending this from my Android phone.

No need to, your message was at the bottom :-)

> Laurent, did you test this on a regular pc? I've tried this before, but
> failed since I couldn't make it work on a pc. I didn't spend a huge amount
> of time on it, though.
> 
> Just want to make sure that this case is covered.

I haven't tested that, no. Let's see who from you or me will find free time 
first (hint: it might be you :-)).

-- 
Regards,

Laurent Pinchart

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