Re: Recent patch for videobuf causing a crash to my driver

2012-06-22 Thread Mauro Carvalho Chehab
Em 22-06-2012 05:50, Laurent Pinchart escreveu: > Hi Hans, > > On Friday 22 June 2012 09:50:44 Hans Verkuil wrote: >> On 22/06/12 05:39, Prabhakar Lad wrote: >>> Hi Federico, >>> >>> Recent patch from you (commit id a8f3c203e19b702fa5e8e83a9b6fb3c5a6d1cce4) >>> which added cached buffer support to

Re: Recent patch for videobuf causing a crash to my driver

2012-06-22 Thread Federico Vaga
> Has this patch being tested for 'uncached' buffers ? I didn't test it on uncached buffers because I don't have the hardware. The main development of the patches: efeb98b4e2b2 a8f3c203e19b bca7ad1a332a was made by windriver people. I review their code an correct the bug that I found but I have

Re: Recent patch for videobuf causing a crash to my driver

2012-06-22 Thread Prabhakar Lad
Hi Hans, On Fri, Jun 22, 2012 at 2:58 PM, Hans Verkuil wrote: > On Fri June 22 2012 11:11:36 Prabhakar Lad wrote: >> Hi Hans, >> >> On Fri, Jun 22, 2012 at 2:29 PM, Hans Verkuil wrote: >> > On Fri June 22 2012 10:50:23 Laurent Pinchart wrote: >> >> Hi Hans, >> >> >> >> On Friday 22 June 2012 09:

Re: Recent patch for videobuf causing a crash to my driver

2012-06-22 Thread Hans Verkuil
On Fri June 22 2012 11:11:36 Prabhakar Lad wrote: > Hi Hans, > > On Fri, Jun 22, 2012 at 2:29 PM, Hans Verkuil wrote: > > On Fri June 22 2012 10:50:23 Laurent Pinchart wrote: > >> Hi Hans, > >> > >> On Friday 22 June 2012 09:50:44 Hans Verkuil wrote: > >> > On 22/06/12 05:39, Prabhakar Lad wrote:

Re: Recent patch for videobuf causing a crash to my driver

2012-06-22 Thread Hans Verkuil
On Fri June 22 2012 11:09:22 Prabhakar Lad wrote: > Hi Hans, > > On Fri, Jun 22, 2012 at 1:20 PM, Hans Verkuil wrote: > > On 22/06/12 05:39, Prabhakar Lad wrote: > >> > >> Hi Federico, > >> > >> Recent patch from you (commit id a8f3c203e19b702fa5e8e83a9b6fb3c5a6d1cce4) > >> which > >> added cache

Re: Recent patch for videobuf causing a crash to my driver

2012-06-22 Thread Prabhakar Lad
Hi Hans, On Fri, Jun 22, 2012 at 2:29 PM, Hans Verkuil wrote: > On Fri June 22 2012 10:50:23 Laurent Pinchart wrote: >> Hi Hans, >> >> On Friday 22 June 2012 09:50:44 Hans Verkuil wrote: >> > On 22/06/12 05:39, Prabhakar Lad wrote: >> > > Hi Federico, >> > > >> > > Recent patch from you (commit i

Re: Recent patch for videobuf causing a crash to my driver

2012-06-22 Thread Prabhakar Lad
Hi Hans, On Fri, Jun 22, 2012 at 1:20 PM, Hans Verkuil wrote: > On 22/06/12 05:39, Prabhakar Lad wrote: >> >> Hi Federico, >> >> Recent patch from you (commit id a8f3c203e19b702fa5e8e83a9b6fb3c5a6d1cce4) >> which >> added cached buffer support to videobuf dma contig, is causing my >> driver to cr

Re: Recent patch for videobuf causing a crash to my driver

2012-06-22 Thread Hans Verkuil
On Fri June 22 2012 10:50:23 Laurent Pinchart wrote: > Hi Hans, > > On Friday 22 June 2012 09:50:44 Hans Verkuil wrote: > > On 22/06/12 05:39, Prabhakar Lad wrote: > > > Hi Federico, > > > > > > Recent patch from you (commit id a8f3c203e19b702fa5e8e83a9b6fb3c5a6d1cce4) > > > which added cached bu

Re: Recent patch for videobuf causing a crash to my driver

2012-06-22 Thread Laurent Pinchart
Hi Hans, On Friday 22 June 2012 09:50:44 Hans Verkuil wrote: > On 22/06/12 05:39, Prabhakar Lad wrote: > > Hi Federico, > > > > Recent patch from you (commit id a8f3c203e19b702fa5e8e83a9b6fb3c5a6d1cce4) > > which added cached buffer support to videobuf dma contig, is causing my > > driver to cras

Re: Recent patch for videobuf causing a crash to my driver

2012-06-22 Thread Hans Verkuil
On 22/06/12 05:39, Prabhakar Lad wrote: Hi Federico, Recent patch from you (commit id a8f3c203e19b702fa5e8e83a9b6fb3c5a6d1cce4) which added cached buffer support to videobuf dma contig, is causing my driver to crash. Has this patch being tested for 'uncached' buffers ? If I replace this mapping

Recent patch for videobuf causing a crash to my driver

2012-06-21 Thread Prabhakar Lad
Hi Federico, Recent patch from you (commit id a8f3c203e19b702fa5e8e83a9b6fb3c5a6d1cce4) which added cached buffer support to videobuf dma contig, is causing my driver to crash. Has this patch being tested for 'uncached' buffers ? If I replace this mapping logic with remap_pfn_range() my driver wor