Hi Maarten, On 27 July 2012 19:09, Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxx> 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> -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html