Re: [RFC v4 16/17] [media] vb2: add out-fence support to QBUF

Hi Brian, 2017-10-27 Brian Starkey : > Hi Gustavo, > > On Fri, Oct 20, 2017 at 07:50:11PM -0200, Gustavo Padovan wrote: > > From: Gustavo Padovan > > > > If V4L2_BUF_FLAG_OUT_FENCE flag is present on the QBUF call we create > > an

Re: [RFC v4 16/17] [media] vb2: add out-fence support to QBUF

Hi Gustavo, On Fri, Oct 20, 2017 at 07:50:11PM -0200, Gustavo Padovan wrote: From: Gustavo Padovan If V4L2_BUF_FLAG_OUT_FENCE flag is present on the QBUF call we create an out_fence and send to userspace on the V4L2_EVENT_OUT_FENCE when the buffer is queued to

[RFC v4 16/17] [media] vb2: add out-fence support to QBUF

From: Gustavo Padovan If V4L2_BUF_FLAG_OUT_FENCE flag is present on the QBUF call we create an out_fence and send to userspace on the V4L2_EVENT_OUT_FENCE when the buffer is queued to the driver, or right away if the queue is ordered both in VB2 and in the driver.