Re: [Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Subash Patel
On 03/22/2012 07:37 PM, Laurent Pinchart wrote: Hi Subash, On Thursday 22 March 2012 19:27:01 Subash Patel wrote: On 03/22/2012 04:46 PM, Laurent Pinchart wrote: On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: [snip] diff --git a/include/linux/videodev2.h b/include/linux/vid

Re: [Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Subash Patel
Hi Thomasz, On 03/22/2012 04:46 PM, Laurent Pinchart wrote: Hi Tomasz, Thanks for the patch. On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: This patch adds extension to V4L2 api. It allow to export a mmap buffer as file descriptor. New ioctl VIDIOC_EXPBUF is added. It takes a bu

[Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Subash Patel
On 03/22/2012 07:37 PM, Laurent Pinchart wrote: > Hi Subash, > > On Thursday 22 March 2012 19:27:01 Subash Patel wrote: >> On 03/22/2012 04:46 PM, Laurent Pinchart wrote: >>> On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: > > [snip] > diff --git a/include/linux/videodev2.h b/in

[Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Subash Patel
Hi Thomasz, On 03/22/2012 04:46 PM, Laurent Pinchart wrote: > Hi Tomasz, > > Thanks for the patch. > > On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: >> This patch adds extension to V4L2 api. It allow to export a mmap buffer as >> file descriptor. New ioctl VIDIOC_EXPBUF is added. It

[Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Laurent Pinchart
Hi Subash, On Thursday 22 March 2012 20:29:57 Subash Patel wrote: > On 03/22/2012 07:37 PM, Laurent Pinchart wrote: > > On Thursday 22 March 2012 19:27:01 Subash Patel wrote: > >> On 03/22/2012 04:46 PM, Laurent Pinchart wrote: > >>> On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: > >

[Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Laurent Pinchart
On Thursday 22 March 2012 15:26:08 Daniel Vetter wrote: > On Thu, Mar 22, 2012 at 03:07:18PM +0100, Laurent Pinchart wrote: > > > >> + * Contains data used for exporting a video buffer as DMABUF file > > > >> + * descriptor. Uses the same 'cookie' as mmap() syscall. All > > > >> reserved > > > >> f

[Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Daniel Vetter
On Thu, Mar 22, 2012 at 03:07:18PM +0100, Laurent Pinchart wrote: > > >> + * Contains data used for exporting a video buffer as DMABUF file > > >> + * descriptor. Uses the same 'cookie' as mmap() syscall. All reserved > > >> fields > > >> + * must be set to zero. > > >> + */ > > >> +struct v4l2_exp

[Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Laurent Pinchart
Hi Subash, On Thursday 22 March 2012 19:27:01 Subash Patel wrote: > On 03/22/2012 04:46 PM, Laurent Pinchart wrote: > > On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: [snip] > >> diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h > >> index bb6844e..e71c787 100644 >

Re: [Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Laurent Pinchart
Hi Subash, On Thursday 22 March 2012 20:29:57 Subash Patel wrote: > On 03/22/2012 07:37 PM, Laurent Pinchart wrote: > > On Thursday 22 March 2012 19:27:01 Subash Patel wrote: > >> On 03/22/2012 04:46 PM, Laurent Pinchart wrote: > >>> On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: > >

Re: [Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Laurent Pinchart
On Thursday 22 March 2012 15:26:08 Daniel Vetter wrote: > On Thu, Mar 22, 2012 at 03:07:18PM +0100, Laurent Pinchart wrote: > > > >> + * Contains data used for exporting a video buffer as DMABUF file > > > >> + * descriptor. Uses the same 'cookie' as mmap() syscall. All > > > >> reserved > > > >> f

Re: [Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Daniel Vetter
On Thu, Mar 22, 2012 at 03:07:18PM +0100, Laurent Pinchart wrote: > > >> + * Contains data used for exporting a video buffer as DMABUF file > > >> + * descriptor. Uses the same 'cookie' as mmap() syscall. All reserved > > >> fields > > >> + * must be set to zero. > > >> + */ > > >> +struct v4l2_exp

Re: [Linaro-mm-sig] [RFCv2 PATCH 4/9] v4l: add buffer exporting via dmabuf

2012-03-22 Thread Laurent Pinchart
Hi Subash, On Thursday 22 March 2012 19:27:01 Subash Patel wrote: > On 03/22/2012 04:46 PM, Laurent Pinchart wrote: > > On Tuesday 13 March 2012 11:17:02 Tomasz Stanislawski wrote: [snip] > >> diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h > >> index bb6844e..e71c787 100644 >