Re: [PATCH] dma-fence: dma-buf synchronization

2012-07-11 Thread Rob Clark
On Wed, Jul 11, 2012 at 6:49 PM, Maarten Lankhorst wrote: > Op 12-07-12 00:29, Rob Clark schreef: >> From: Rob Clark >> >> 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,

Re: [PATCH] dma-fence: dma-buf synchronization

2012-07-11 Thread Maarten Lankhorst
Op 12-07-12 00:29, Rob Clark schreef: > From: Rob Clark > > 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