Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-07-03 Thread Tomasz Figa
On Thu, Jun 13, 2019 at 9:21 AM Nicolas Dufresne wrote: > > Le mercredi 12 juin 2019 à 11:17 +0300, Laurent Pinchart a écrit : > > Hi Nicolas, > > > > On Tue, Jun 11, 2019 at 08:09:13PM -0400, Nicolas Dufresne wrote: > > > Le mardi 11 juin 2019 à 13:24 +0300, Laurent Pinchart a écrit : > > > > On

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-13 Thread Nicolas Dufresne
Le mercredi 12 juin 2019 à 11:17 +0300, Laurent Pinchart a écrit : > Hi Nicolas, > > On Tue, Jun 11, 2019 at 08:09:13PM -0400, Nicolas Dufresne wrote: > > Le mardi 11 juin 2019 à 13:24 +0300, Laurent Pinchart a écrit : > > > On Fri, Jun 07, 2019 at 03:38:39PM -0400, Nicolas Dufresne wrote: > > > >

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-12 Thread Laurent Pinchart
Hi Nicolas, On Tue, Jun 11, 2019 at 08:09:13PM -0400, Nicolas Dufresne wrote: > Le mardi 11 juin 2019 à 13:24 +0300, Laurent Pinchart a écrit : > > On Fri, Jun 07, 2019 at 03:38:39PM -0400, Nicolas Dufresne wrote: > >> Le vendredi 07 juin 2019 à 16:58 +0300, Laurent Pinchart a écrit : > >>> On Fri

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-11 Thread Nicolas Dufresne
Le mardi 11 juin 2019 à 20:12 -0400, Nicolas Dufresne a écrit : > Le mardi 11 juin 2019 à 13:56 +0200, Marek Szyprowski a écrit : > > Hi Hans, > > > > On 2019-06-11 09:52, Hans Verkuil wrote: > > > On 6/7/19 9:43 PM, Nicolas Dufresne wrote: > > > > Le vendredi 07 juin 2019 à 16:39 +0200, Marek Szy

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-11 Thread Nicolas Dufresne
Le mardi 11 juin 2019 à 13:56 +0200, Marek Szyprowski a écrit : > Hi Hans, > > On 2019-06-11 09:52, Hans Verkuil wrote: > > On 6/7/19 9:43 PM, Nicolas Dufresne wrote: > > > Le vendredi 07 juin 2019 à 16:39 +0200, Marek Szyprowski a écrit : > > > > Hi Hans, > > > > > > > > On 2019-06-07 16:11, Han

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-11 Thread Nicolas Dufresne
Le mardi 11 juin 2019 à 13:24 +0300, Laurent Pinchart a écrit : > Hi Nicolas, > > On Fri, Jun 07, 2019 at 03:38:39PM -0400, Nicolas Dufresne wrote: > > Le vendredi 07 juin 2019 à 16:58 +0300, Laurent Pinchart a écrit : > > > On Fri, Jun 07, 2019 at 03:55:05PM +0200, Marek Szyprowski wrote: > > > >

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-11 Thread Marek Szyprowski
Hi Hans, On 2019-06-11 09:52, Hans Verkuil wrote: > On 6/7/19 9:43 PM, Nicolas Dufresne wrote: >> Le vendredi 07 juin 2019 à 16:39 +0200, Marek Szyprowski a écrit : >>> Hi Hans, >>> >>> On 2019-06-07 16:11, Hans Verkuil wrote: On 6/7/19 3:55 PM, Marek Szyprowski wrote: > On 2019-06-07 15:

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-11 Thread Laurent Pinchart
Hi Nicolas, On Fri, Jun 07, 2019 at 03:38:39PM -0400, Nicolas Dufresne wrote: > Le vendredi 07 juin 2019 à 16:58 +0300, Laurent Pinchart a écrit : > > On Fri, Jun 07, 2019 at 03:55:05PM +0200, Marek Szyprowski wrote: > >> On 2019-06-07 15:40, Hans Verkuil wrote: > >>> On 6/7/19 2:47 PM, Hans Verku

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-11 Thread Hans Verkuil
On 6/7/19 9:43 PM, Nicolas Dufresne wrote: > Le vendredi 07 juin 2019 à 16:39 +0200, Marek Szyprowski a écrit : >> Hi Hans, >> >> On 2019-06-07 16:11, Hans Verkuil wrote: >>> On 6/7/19 3:55 PM, Marek Szyprowski wrote: On 2019-06-07 15:40, Hans Verkuil wrote: > On 6/7/19 2:47 PM, Hans Verku

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-11 Thread Hans Verkuil
On 6/7/19 4:34 PM, Tomasz Figa wrote: > On Fri, Jun 7, 2019 at 11:11 PM Hans Verkuil wrote: >> >> On 6/7/19 3:55 PM, Marek Szyprowski wrote: >>> Hi Hans, >>> >>> On 2019-06-07 15:40, Hans Verkuil wrote: On 6/7/19 2:47 PM, Hans Verkuil wrote: > On 6/7/19 2:23 PM, Hans Verkuil wrote: >>

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Nicolas Dufresne
Le vendredi 07 juin 2019 à 16:39 +0200, Marek Szyprowski a écrit : > Hi Hans, > > On 2019-06-07 16:11, Hans Verkuil wrote: > > On 6/7/19 3:55 PM, Marek Szyprowski wrote: > > > On 2019-06-07 15:40, Hans Verkuil wrote: > > > > On 6/7/19 2:47 PM, Hans Verkuil wrote: > > > > > On 6/7/19 2:23 PM, Hans

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Nicolas Dufresne
Le vendredi 07 juin 2019 à 16:58 +0300, Laurent Pinchart a écrit : > Hi Marek, > > On Fri, Jun 07, 2019 at 03:55:05PM +0200, Marek Szyprowski wrote: > > On 2019-06-07 15:40, Hans Verkuil wrote: > > > On 6/7/19 2:47 PM, Hans Verkuil wrote: > > > > On 6/7/19 2:23 PM, Hans Verkuil wrote: > > > > > On

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Laurent Pinchart
On Fri, Jun 07, 2019 at 11:34:35PM +0900, Tomasz Figa wrote: > On Fri, Jun 7, 2019 at 11:11 PM Hans Verkuil wrote: > > On 6/7/19 3:55 PM, Marek Szyprowski wrote: > > > On 2019-06-07 15:40, Hans Verkuil wrote: > > >> On 6/7/19 2:47 PM, Hans Verkuil wrote: > > >>> On 6/7/19 2:23 PM, Hans Verkuil wrot

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Sakari Ailus
Hi Marek, On Fri, Jun 07, 2019 at 04:39:22PM +0200, Marek Szyprowski wrote: > Hi Hans, > > On 2019-06-07 16:11, Hans Verkuil wrote: > > On 6/7/19 3:55 PM, Marek Szyprowski wrote: > >> On 2019-06-07 15:40, Hans Verkuil wrote: > >>> On 6/7/19 2:47 PM, Hans Verkuil wrote: > On 6/7/19 2:23 PM, H

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Sakari Ailus
Hi Hans, On Fri, Jun 07, 2019 at 04:11:20PM +0200, Hans Verkuil wrote: > On 6/7/19 3:55 PM, Marek Szyprowski wrote: > > Hi Hans, > > > > On 2019-06-07 15:40, Hans Verkuil wrote: > >> On 6/7/19 2:47 PM, Hans Verkuil wrote: > >>> On 6/7/19 2:23 PM, Hans Verkuil wrote: > On 6/7/19 2:14 PM, Mare

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Marek Szyprowski
Hi Hans, On 2019-06-07 16:11, Hans Verkuil wrote: > On 6/7/19 3:55 PM, Marek Szyprowski wrote: >> On 2019-06-07 15:40, Hans Verkuil wrote: >>> On 6/7/19 2:47 PM, Hans Verkuil wrote: On 6/7/19 2:23 PM, Hans Verkuil wrote: > On 6/7/19 2:14 PM, Marek Szyprowski wrote: >> On 2019-06-07 14

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Tomasz Figa
On Fri, Jun 7, 2019 at 11:11 PM Hans Verkuil wrote: > > On 6/7/19 3:55 PM, Marek Szyprowski wrote: > > Hi Hans, > > > > On 2019-06-07 15:40, Hans Verkuil wrote: > >> On 6/7/19 2:47 PM, Hans Verkuil wrote: > >>> On 6/7/19 2:23 PM, Hans Verkuil wrote: > On 6/7/19 2:14 PM, Marek Szyprowski wrote

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Hans Verkuil
On 6/7/19 3:55 PM, Marek Szyprowski wrote: > Hi Hans, > > On 2019-06-07 15:40, Hans Verkuil wrote: >> On 6/7/19 2:47 PM, Hans Verkuil wrote: >>> On 6/7/19 2:23 PM, Hans Verkuil wrote: On 6/7/19 2:14 PM, Marek Szyprowski wrote: > On 2019-06-07 14:01, Hans Verkuil wrote: >> On 6/7/19 1:

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Laurent Pinchart
Hi Marek, On Fri, Jun 07, 2019 at 03:55:05PM +0200, Marek Szyprowski wrote: > On 2019-06-07 15:40, Hans Verkuil wrote: > > On 6/7/19 2:47 PM, Hans Verkuil wrote: > >> On 6/7/19 2:23 PM, Hans Verkuil wrote: > >>> On 6/7/19 2:14 PM, Marek Szyprowski wrote: > On 2019-06-07 14:01, Hans Verkuil wr

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Marek Szyprowski
Hi Hans, On 2019-06-07 15:40, Hans Verkuil wrote: > On 6/7/19 2:47 PM, Hans Verkuil wrote: >> On 6/7/19 2:23 PM, Hans Verkuil wrote: >>> On 6/7/19 2:14 PM, Marek Szyprowski wrote: On 2019-06-07 14:01, Hans Verkuil wrote: > On 6/7/19 1:16 PM, Laurent Pinchart wrote: >> Thank you for th

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Tomasz Figa
On Fri, Jun 7, 2019 at 10:41 PM Hans Verkuil wrote: > > On 6/7/19 2:47 PM, Hans Verkuil wrote: > > On 6/7/19 2:23 PM, Hans Verkuil wrote: > >> On 6/7/19 2:14 PM, Marek Szyprowski wrote: > >>> Hi Hans, > >>> > >>> On 2019-06-07 14:01, Hans Verkuil wrote: > On 6/7/19 1:16 PM, Laurent Pinchart w

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Hans Verkuil
On 6/7/19 2:47 PM, Hans Verkuil wrote: > On 6/7/19 2:23 PM, Hans Verkuil wrote: >> On 6/7/19 2:14 PM, Marek Szyprowski wrote: >>> Hi Hans, >>> >>> On 2019-06-07 14:01, Hans Verkuil wrote: On 6/7/19 1:16 PM, Laurent Pinchart wrote: > Hi Hans, > > Thank you for the patch. > >

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Hans Verkuil
On 6/7/19 2:23 PM, Hans Verkuil wrote: > On 6/7/19 2:14 PM, Marek Szyprowski wrote: >> Hi Hans, >> >> On 2019-06-07 14:01, Hans Verkuil wrote: >>> On 6/7/19 1:16 PM, Laurent Pinchart wrote: Hi Hans, Thank you for the patch. On Fri, Jun 07, 2019 at 10:45:31AM +0200, Hans Ver

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Hans Verkuil
On 6/7/19 2:20 PM, Tomasz Figa wrote: > On Fri, Jun 7, 2019 at 9:01 PM Hans Verkuil wrote: >> >> On 6/7/19 1:16 PM, Laurent Pinchart wrote: >>> Hi Hans, >>> >>> Thank you for the patch. >>> >>> On Fri, Jun 07, 2019 at 10:45:31AM +0200, Hans Verkuil wrote: The __prepare_userptr() function made

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Hans Verkuil
On 6/7/19 2:14 PM, Marek Szyprowski wrote: > Hi Hans, > > On 2019-06-07 14:01, Hans Verkuil wrote: >> On 6/7/19 1:16 PM, Laurent Pinchart wrote: >>> Hi Hans, >>> >>> Thank you for the patch. >>> >>> On Fri, Jun 07, 2019 at 10:45:31AM +0200, Hans Verkuil wrote: The __prepare_userptr() function

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Tomasz Figa
On Fri, Jun 7, 2019 at 9:01 PM Hans Verkuil wrote: > > On 6/7/19 1:16 PM, Laurent Pinchart wrote: > > Hi Hans, > > > > Thank you for the patch. > > > > On Fri, Jun 07, 2019 at 10:45:31AM +0200, Hans Verkuil wrote: > >> The __prepare_userptr() function made the incorrect assumption that if the > >>

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Marek Szyprowski
Hi Hans, On 2019-06-07 14:01, Hans Verkuil wrote: > On 6/7/19 1:16 PM, Laurent Pinchart wrote: >> Hi Hans, >> >> Thank you for the patch. >> >> On Fri, Jun 07, 2019 at 10:45:31AM +0200, Hans Verkuil wrote: >>> The __prepare_userptr() function made the incorrect assumption that if the >>> same user

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Hans Verkuil
On 6/7/19 1:16 PM, Laurent Pinchart wrote: > Hi Hans, > > Thank you for the patch. > > On Fri, Jun 07, 2019 at 10:45:31AM +0200, Hans Verkuil wrote: >> The __prepare_userptr() function made the incorrect assumption that if the >> same user pointer was used as the last one for which memory was acq

Re: [PATCH for v5.2] videobuf2-core.c: always reacquire USERPTR memory

2019-06-07 Thread Laurent Pinchart
Hi Hans, Thank you for the patch. On Fri, Jun 07, 2019 at 10:45:31AM +0200, Hans Verkuil wrote: > The __prepare_userptr() function made the incorrect assumption that if the > same user pointer was used as the last one for which memory was acquired, then > there was no need to re-acquire the memor