search for: nouveau_pushbuf_kick_fence

From: Thierry Reding <treding at nvidia.com> Add a new nouveau_pushbuf_kick_fence() function that takes and emits a sync fence FD. The fence FD can be waited on, or merged with other fence FDs, or passed back to the kernel as a prerequisite for a subsequent HW operation. Based heavily on work by Lauri Peltonen <lpeltonen at nvidia.com> Signed-off-by: Thierry Reding <t...

Hi guys, I'd like to start a new thread about explicit fence synchronization. This time with a Nouveau twist. :-) First, let me define what I understand by implicit/explicit sync: Implicit synchronization * Fences are attached to buffers * Kernel manages fences automatically based on buffer read/write access Explicit synchronization * Fences are passed around independently * Kernel takes