Re: [media] uvcvideo: support for contiguous DMA buffers

2017-01-25 Thread Sakari Ailus
Hi Vincent, On Wed, Jan 11, 2017 at 12:36:24PM +, Vincent ABRIOU wrote: > Hi Sakari, > > On 01/11/2017 12:03 PM, Sakari Ailus wrote: > > Hi Vincent, > > > > On Mon, Jan 09, 2017 at 03:49:00PM +, Vincent ABRIOU wrote: > >> > >> > >> On 01/09/2017 04:37 PM, Laurent Pinchart wrote: > >>> Hi

Re: [media] uvcvideo: support for contiguous DMA buffers

2017-01-11 Thread Vincent ABRIOU
Hi Sakari, On 01/11/2017 12:03 PM, Sakari Ailus wrote: > Hi Vincent, > > On Mon, Jan 09, 2017 at 03:49:00PM +, Vincent ABRIOU wrote: >> >> >> On 01/09/2017 04:37 PM, Laurent Pinchart wrote: >>> Hi Vincent, >>> >>> Thank you for the patch. >>> >>> On Monday 03 Oct 2016 13:27:16 Vincent Abriou w

Re: [media] uvcvideo: support for contiguous DMA buffers

2017-01-11 Thread Sakari Ailus
Hi Vincent, On Mon, Jan 09, 2017 at 03:49:00PM +, Vincent ABRIOU wrote: > > > On 01/09/2017 04:37 PM, Laurent Pinchart wrote: > > Hi Vincent, > > > > Thank you for the patch. > > > > On Monday 03 Oct 2016 13:27:16 Vincent Abriou wrote: > >> Allow uvcvideo compatible devices to allocate their

Re: [media] uvcvideo: support for contiguous DMA buffers

2017-01-10 Thread Vincent ABRIOU
On 01/10/2017 03:41 PM, Laurent Pinchart wrote: > On Tuesday 10 Jan 2017 08:55:16 Vincent ABRIOU wrote: >> On 01/09/2017 05:59 PM, Laurent Pinchart wrote: >>> On Monday 09 Jan 2017 15:49:00 Vincent ABRIOU wrote: On 01/09/2017 04:37 PM, Laurent Pinchart wrote: > Hi Vincent, > > Th

Re: [media] uvcvideo: support for contiguous DMA buffers

2017-01-10 Thread Laurent Pinchart
On Tuesday 10 Jan 2017 08:55:16 Vincent ABRIOU wrote: > On 01/09/2017 05:59 PM, Laurent Pinchart wrote: > > On Monday 09 Jan 2017 15:49:00 Vincent ABRIOU wrote: > >> On 01/09/2017 04:37 PM, Laurent Pinchart wrote: > >>> Hi Vincent, > >>> > >>> Thank you for the patch. > >>> > >>> On Monday 03 Oct

Re: [media] uvcvideo: support for contiguous DMA buffers

2017-01-10 Thread Vincent ABRIOU
Hi Laurent, On 01/09/2017 05:59 PM, Laurent Pinchart wrote: > Hi Vincent, > > (CC'ing Nicolas) > > On Monday 09 Jan 2017 15:49:00 Vincent ABRIOU wrote: >> On 01/09/2017 04:37 PM, Laurent Pinchart wrote: >>> Hi Vincent, >>> >>> Thank you for the patch. >>> >>> On Monday 03 Oct 2016 13:27:16 Vincent

Re: [media] uvcvideo: support for contiguous DMA buffers

2017-01-09 Thread Laurent Pinchart
Hi Vincent, (CC'ing Nicolas) On Monday 09 Jan 2017 15:49:00 Vincent ABRIOU wrote: > On 01/09/2017 04:37 PM, Laurent Pinchart wrote: > > Hi Vincent, > > > > Thank you for the patch. > > > > On Monday 03 Oct 2016 13:27:16 Vincent Abriou wrote: > >> Allow uvcvideo compatible devices to allocate th

Re: [media] uvcvideo: support for contiguous DMA buffers

2017-01-09 Thread Vincent ABRIOU
On 01/09/2017 04:37 PM, Laurent Pinchart wrote: > Hi Vincent, > > Thank you for the patch. > > On Monday 03 Oct 2016 13:27:16 Vincent Abriou wrote: >> Allow uvcvideo compatible devices to allocate their output buffers using >> contiguous DMA buffers. > > Why do you need this ? If it's for buffer

Re: [media] uvcvideo: support for contiguous DMA buffers

2017-01-09 Thread Laurent Pinchart
Hi Vincent, Thank you for the patch. On Monday 03 Oct 2016 13:27:16 Vincent Abriou wrote: > Allow uvcvideo compatible devices to allocate their output buffers using > contiguous DMA buffers. Why do you need this ? If it's for buffer sharing with a device that requires dma-contig, can't you allo

Re: [media] uvcvideo: support for contiguous DMA buffers

2016-11-03 Thread Vincent ABRIOU
Any comment/reviewer on this patch proposal? Patch as been successfully tested on ARM and X86 platform. Thanks Vincent On 10/03/2016 01:27 PM, Vincent Abriou wrote: > Allow uvcvideo compatible devices to allocate their output buffers using > contiguous DMA buffers. > > Add the "allocators" modul

[media] uvcvideo: support for contiguous DMA buffers

2016-10-03 Thread Vincent Abriou
Allow uvcvideo compatible devices to allocate their output buffers using contiguous DMA buffers. Add the "allocators" module parameter option to let uvcvideo use the dma-contig instead of vmalloc. Signed-off-by: Vincent Abriou --- Documentation/media/v4l-drivers/uvcvideo.rst | 12