Messages in this thread |  | | Date | Wed, 22 Jan 2020 11:53:51 +0900 | From | Sergey Senozhatsky <> | Subject | Re: [RFC][PATCH 02/15] videobuf2: handle V4L2 buffer cache flags |
| |
On (20/01/22 10:39), Sergey Senozhatsky wrote: > [..] > > > } > > > > > > +static void set_buffer_cache_hints(struct vb2_queue *q, > > > + struct vb2_buffer *vb, > > > + struct v4l2_buffer *b) > > > +{ > > > + vb->need_cache_sync_on_prepare = 1; > > > + > > > + if (q->dma_dir != DMA_TO_DEVICE) > > > > What should be done when dma_dir == DMA_BIDIRECTIONAL? >
[..]
> We probably cannot enforce any other behavior here. Am I missing > something?
Never mind. I got your point.
-ss
|  |