[RFCv2 PATCH 7/9] v4l: vb2-dma-contig: change map/unmap behaviour

2012-03-27 Thread Laurent Pinchart
Hi Daniel, On Thursday 22 March 2012 13:25:20 Daniel Vetter wrote: > On Thu, Mar 22, 2012 at 13:15, Laurent Pinchart wrote: > > On Tuesday 13 March 2012 11:17:05 Tomasz Stanislawski wrote: > >> The DMABUF documentation says that the map_dma_buf callback should return > >> scatterlist that is mappe

Re: [RFCv2 PATCH 7/9] v4l: vb2-dma-contig: change map/unmap behaviour

2012-03-27 Thread Laurent Pinchart
Hi Daniel, On Thursday 22 March 2012 13:25:20 Daniel Vetter wrote: > On Thu, Mar 22, 2012 at 13:15, Laurent Pinchart wrote: > > On Tuesday 13 March 2012 11:17:05 Tomasz Stanislawski wrote: > >> The DMABUF documentation says that the map_dma_buf callback should return > >> scatterlist that is mappe

[RFCv2 PATCH 7/9] v4l: vb2-dma-contig: change map/unmap behaviour

2012-03-22 Thread Daniel Vetter
On Thu, Mar 22, 2012 at 13:15, Laurent Pinchart wrote: > On Tuesday 13 March 2012 11:17:05 Tomasz Stanislawski wrote: >> The DMABUF documentation says that the map_dma_buf callback should return >> scatterlist that is mapped into a caller's address space. In practice, >> almost none of existing im

[RFCv2 PATCH 7/9] v4l: vb2-dma-contig: change map/unmap behaviour

2012-03-22 Thread Laurent Pinchart
Hi Tomasz, Thanks for the patch. On Tuesday 13 March 2012 11:17:05 Tomasz Stanislawski wrote: > The DMABUF documentation says that the map_dma_buf callback should return > scatterlist that is mapped into a caller's address space. In practice, > almost none of existing implementations of DMABUF ex

Re: [RFCv2 PATCH 7/9] v4l: vb2-dma-contig: change map/unmap behaviour

2012-03-22 Thread Daniel Vetter
On Thu, Mar 22, 2012 at 13:15, Laurent Pinchart wrote: > On Tuesday 13 March 2012 11:17:05 Tomasz Stanislawski wrote: >> The DMABUF documentation says that the map_dma_buf callback should return >> scatterlist that is mapped into a caller's address space. In practice, >> almost none of existing im

Re: [RFCv2 PATCH 7/9] v4l: vb2-dma-contig: change map/unmap behaviour

2012-03-22 Thread Laurent Pinchart
Hi Tomasz, Thanks for the patch. On Tuesday 13 March 2012 11:17:05 Tomasz Stanislawski wrote: > The DMABUF documentation says that the map_dma_buf callback should return > scatterlist that is mapped into a caller's address space. In practice, > almost none of existing implementations of DMABUF ex

[RFCv2 PATCH 7/9] v4l: vb2-dma-contig: change map/unmap behaviour

2012-03-13 Thread Tomasz Stanislawski
The DMABUF documentation says that the map_dma_buf callback should return scatterlist that is mapped into a caller's address space. In practice, almost none of existing implementations of DMABUF exporter does it. This patch breaks the DMABUF specification in order to allow exchange DMABUF buffers

[RFCv2 PATCH 7/9] v4l: vb2-dma-contig: change map/unmap behaviour

2012-03-13 Thread Tomasz Stanislawski
The DMABUF documentation says that the map_dma_buf callback should return scatterlist that is mapped into a caller's address space. In practice, almost none of existing implementations of DMABUF exporter does it. This patch breaks the DMABUF specification in order to allow exchange DMABUF buffers