Re: [PATCH v2] media: vb2-dma-contig: configure DMA max segment size properly

2016-05-02 Thread Hans Verkuil
On 04/29/16 15:56, Sakari Ailus wrote: > Hi Marek, > > On Fri, Apr 29, 2016 at 01:39:43PM +0200, Marek Szyprowski wrote: >> Hi Sakari, >> >> >> On 2016-04-29 13:21, Sakari Ailus wrote: >>> Hi Marek, >>> >>> Thanks for the patch! >>> >>> On Thu, Apr 28, 2016 at 03:20:03PM +0200, Marek Szyprowski wr

Re: [PATCH v2] media: vb2-dma-contig: configure DMA max segment size properly

2016-04-29 Thread Sakari Ailus
Hi Marek, On Fri, Apr 29, 2016 at 01:39:43PM +0200, Marek Szyprowski wrote: > Hi Sakari, > > > On 2016-04-29 13:21, Sakari Ailus wrote: > >Hi Marek, > > > >Thanks for the patch! > > > >On Thu, Apr 28, 2016 at 03:20:03PM +0200, Marek Szyprowski wrote: > >>This patch lets vb2-dma-contig memory all

Re: [PATCH v2] media: vb2-dma-contig: configure DMA max segment size properly

2016-04-29 Thread Marek Szyprowski
Hi Sakari, On 2016-04-29 13:21, Sakari Ailus wrote: Hi Marek, Thanks for the patch! On Thu, Apr 28, 2016 at 03:20:03PM +0200, Marek Szyprowski wrote: This patch lets vb2-dma-contig memory allocator to configure DMA max segment size properly for the client device. Setting it is needed to let

Re: [PATCH v2] media: vb2-dma-contig: configure DMA max segment size properly

2016-04-29 Thread Sakari Ailus
Hi Marek, Thanks for the patch! On Thu, Apr 28, 2016 at 03:20:03PM +0200, Marek Szyprowski wrote: > This patch lets vb2-dma-contig memory allocator to configure DMA max > segment size properly for the client device. Setting it is needed to let > DMA-mapping subsystem to create a single, contiguou

Re: [PATCH v2] media: vb2-dma-contig: configure DMA max segment size properly

2016-04-28 Thread Hans Verkuil
On 04/28/2016 03:39 PM, Marek Szyprowski wrote: > Hello, > > > On 2016-04-28 15:29, Hans Verkuil wrote: >> On 04/28/2016 03:20 PM, Marek Szyprowski wrote: >>> This patch lets vb2-dma-contig memory allocator to configure DMA max >>> segment size properly for the client device. Setting it is need

Re: [PATCH v2] media: vb2-dma-contig: configure DMA max segment size properly

2016-04-28 Thread Marek Szyprowski
Hello, On 2016-04-28 15:29, Hans Verkuil wrote: On 04/28/2016 03:20 PM, Marek Szyprowski wrote: This patch lets vb2-dma-contig memory allocator to configure DMA max segment size properly for the client device. Setting it is needed to let DMA-mapping subsystem to create a single, contiguous map

Re: [PATCH v2] media: vb2-dma-contig: configure DMA max segment size properly

2016-04-28 Thread Hans Verkuil
On 04/28/2016 03:20 PM, Marek Szyprowski wrote: > This patch lets vb2-dma-contig memory allocator to configure DMA max > segment size properly for the client device. Setting it is needed to let > DMA-mapping subsystem to create a single, contiguous mapping in DMA > address space. This is essential

[PATCH v2] media: vb2-dma-contig: configure DMA max segment size properly

2016-04-28 Thread Marek Szyprowski
This patch lets vb2-dma-contig memory allocator to configure DMA max segment size properly for the client device. Setting it is needed to let DMA-mapping subsystem to create a single, contiguous mapping in DMA address space. This is essential for all devices, which use dma-contig videobuf2 memory a