[RFC PATCH 1/3] dma-fence: dma-buf synchronization (v5)

[Sumit Semwal]

Hi Maarten,
On 27 July 2012 19:09, Maarten Lankhorst
<maarten.lankhorst at canonical.com> wrote:
> A dma-fence can be attached to a buffer which is being filled or consumed
> by hw, to allow userspace to pass the buffer without waiting to another
> device.  For example, userspace can call page_flip ioctl to display the
> next frame of graphics after kicking the GPU but while the GPU is still
> rendering.  The display device sharing the buffer with the GPU would
> attach a callback to get notified when the GPU's rendering-complete IRQ
> fires, to update the scan-out address of the display, without having to
> wake up userspace.
Since Rob is the original author of this (and I the next?), may I
request you to re-submit with his "From:" bit?

Rob / Daniel: comments on this series will help me line it up in
for-next, and maybe even for 3.7-rc.

Best regards,
~Sumit.
<snip>