Messages in this thread | | | Date | Mon, 9 Jan 2012 09:17:05 -0600 | Subject | Re: [RFC v2 1/2] dma-buf: Introduce dma buffer sharing mechanism | From | Rob Clark <> |
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On Mon, Jan 9, 2012 at 4:10 AM, InKi Dae <daeinki@gmail.com> wrote: > note : in case of sharing a buffer between v4l2 and drm driver, the > memory info would be copied vb2_xx_buf to xx_gem or xx_gem to > vb2_xx_buf through sg table. in this case, only memory info is used to > share, not some objects.
which v4l2/vb2 patches are you looking at? The patches I was using, vb2 holds a reference to the 'struct dma_buf *' internally, not just keeping the sg_table
BR, -R
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