[PATCH v5 5/5] dma-buf/sync_file: only enable fence signalling on poll()

On Fri, Aug 05, 2016 at 08:28:15AM +0100, Chris Wilson wrote: > On Thu, Aug 04, 2016 at 11:24:14PM -0300, Gustavo Padovan wrote: > > From: Gustavo Padovan > > > > Signalling doesn't need to be enabled at sync_file creation, it is only > > required if userspace waiting the fence to signal through

[PATCH v5 5/5] dma-buf/sync_file: only enable fence signalling on poll()

On Thu, Aug 04, 2016 at 11:24:14PM -0300, Gustavo Padovan wrote: > From: Gustavo Padovan > > Signalling doesn't need to be enabled at sync_file creation, it is only > required if userspace waiting the fence to signal through poll(). > > Thus we delay fence_add_callback() until poll is called.

[PATCH v5 5/5] dma-buf/sync_file: only enable fence signalling on poll()

From: Gustavo Padovan Signalling doesn't need to be enabled at sync_file creation, it is only required if userspace waiting the fence to signal through poll(). Thus we delay fence_add_callback() until poll is called. It only adds the callback the first time