Re: [PATCH v9 11/28] rcar-vin: do not allow changing scaling and composing while streaming

2017-12-20 Thread Niklas Söderlund
Hi Laurent, On 2017-12-08 21:20:48 +0200, Laurent Pinchart wrote: > Hi Niklas, > > On Friday, 8 December 2017 16:14:23 EET Niklas Söderlund wrote: > > On 2017-12-08 11:04:26 +0200, Laurent Pinchart wrote: > > > On Friday, 8 December 2017 03:08:25 EET Niklas Söderlund wrote: > > >> It is possible

Re: [PATCH v9 11/28] rcar-vin: do not allow changing scaling and composing while streaming

2017-12-08 Thread Laurent Pinchart
Hi Niklas, On Friday, 8 December 2017 16:14:23 EET Niklas Söderlund wrote: > On 2017-12-08 11:04:26 +0200, Laurent Pinchart wrote: > > On Friday, 8 December 2017 03:08:25 EET Niklas Söderlund wrote: > >> It is possible on Gen2 to change the registers controlling composing and > >> scaling while

Re: [PATCH v9 11/28] rcar-vin: do not allow changing scaling and composing while streaming

2017-12-08 Thread Niklas Söderlund
Hi Laurent, Thanks for your feedback. On 2017-12-08 11:04:26 +0200, Laurent Pinchart wrote: > Hi Niklas, > > Thank you for the patch. > > On Friday, 8 December 2017 03:08:25 EET Niklas Söderlund wrote: > > It is possible on Gen2 to change the registers controlling composing and > > scaling

Re: [PATCH v9 11/28] rcar-vin: do not allow changing scaling and composing while streaming

2017-12-08 Thread Laurent Pinchart
Hi Niklas, Thank you for the patch. On Friday, 8 December 2017 03:08:25 EET Niklas Söderlund wrote: > It is possible on Gen2 to change the registers controlling composing and > scaling while the stream is running. It is however not a good idea to do > so and could result in trouble. There are

[PATCH v9 11/28] rcar-vin: do not allow changing scaling and composing while streaming

2017-12-07 Thread Niklas Söderlund
It is possible on Gen2 to change the registers controlling composing and scaling while the stream is running. It is however not a good idea to do so and could result in trouble. There are also no good reasons to allow this, remove immediate reflection in hardware registers from vidioc_s_selection