[PATCH v4 03/14] v4l: vb2: add support for shared buffer (dma_buf)

Laurent Pinchart laurent.pinchart at ideasonboard.com
Mon Apr 16 17:57:18 PDT 2012

Hi Tomasz,

Thanks for the patch.

On Friday 13 April 2012 17:47:45 Tomasz Stanislawski wrote:
> From: Sumit Semwal <sumit.semwal at ti.com>
> This patch adds support for DMABUF memory type in videobuf2. It calls
> relevant APIs of dma_buf for v4l reqbuf / qbuf / dqbuf operations.
> For this version, the support is for videobuf2 as a user of the shared
> buffer; so the allocation of the buffer is done outside of V4L2. [A sample
> allocator of dma-buf shared buffer is given at [1]]
> [1]: Rob Clark's DRM:
>    https://github.com/robclark/kernel-omap4/commits/drmplane-dmabuf
> Signed-off-by: Tomasz Stanislawski <t.stanislaws at samsung.com>
>    [original work in the PoC for buffer sharing]
> Signed-off-by: Sumit Semwal <sumit.semwal at ti.com>
> Signed-off-by: Sumit Semwal <sumit.semwal at linaro.org>

Acked-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>


Laurent Pinchart

More information about the dri-devel mailing list