Re: [PATCH] media: Clarify the meaning of file descriptors in VIDIOC_DQBUF

2019-06-20 Thread Sakari Ailus
On Wed, Jun 12, 2019 at 06:36:48PM +0900, Tomasz Figa wrote: > When the application calls VIDIOC_DQBUF with the DMABUF memory type, the > v4l2_buffer structure (or v4l2_plane structures) are filled with DMA-buf > file descriptors. However, the current documentation does not explain > whether those

Re: [PATCH] media: Clarify the meaning of file descriptors in VIDIOC_DQBUF

2019-06-19 Thread Alexandre Courbot
On Wed, Jun 12, 2019 at 6:36 PM Tomasz Figa wrote: > > When the application calls VIDIOC_DQBUF with the DMABUF memory type, the > v4l2_buffer structure (or v4l2_plane structures) are filled with DMA-buf > file descriptors. However, the current documentation does not explain > whether those are new

Re: [PATCH] media: Clarify the meaning of file descriptors in VIDIOC_DQBUF

2019-06-18 Thread Paul Kocialkowski
Hi, On Wed, 2019-06-12 at 18:36 +0900, Tomasz Figa wrote: > When the application calls VIDIOC_DQBUF with the DMABUF memory type, the > v4l2_buffer structure (or v4l2_plane structures) are filled with DMA-buf > file descriptors. However, the current documentation does not explain > whether those ar