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SubjectRe: [PATCH v10 0/5] media: atmel: atmel-isc: implement media controller
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Hi Eugen,

On 03/05/2022 11:51, Eugen Hristev wrote:
> This series is a split from the series :
> [PATCH v9 00/13] media: atmel: atmel-isc: implement media controller
> and it includes the media controller part.
> previous fixes were sent on a different patch series.
>
> As discussed on the ML, moving forward with having the media link validate at
> start/stop streaming call.
> I will test the patch :
> [RFC PATCHv2] vb2: add support for (un)prepare_streaming queue ops
> afterwards, but that patch requires moving my logic to the new vb2 callbacks.

I'm looking at merging this series, but I would like to have the output of
'v4l2-compliance -m /dev/mediaX' to verify that the MC links etc. is all
correct.

And one more question which may have been answered already in the past:

Changing to the MC will break existing applications, doesn't it? Or did I
miss something?

Regards,

Hans

>
> Full series history:
>
> Changes in v10:
> -> split the series into this first fixes part.
> -> moved IO_MC addition from first patch to the second patch on the driver changes
> -> edited commit messages
> -> DT nodes now disabled by default.
>
> Changes in v9:
> -> kernel robot reported isc_link_validate is not static, changed to static.
>
> Changes in v8:
> -> scaler: modified crop bounds to have the exact source size
>
> Changes in v7:
> -> scaler: modified crop bounds to have maximum isc size
> -> format propagation: did small changes as per Jacopo review
>
>
> Changes in v6:
> -> worked a bit on scaler, added try crop and other changes as per Jacopo review
> -> worked on isc-base enum_fmt , reworked as per Jacopo review
>
> Changes in v5:
> -> removed patch that removed the 'stop' variable as it was still required
> -> added two new trivial patches
> -> reworked some parts of the scaler and format propagation after discussions with Jacopo
>
>
> Changes in v4:
> -> as reviewed by Hans, added new patch to remove the 'stop' variable and reworked
> one patch that was using it
> -> as reviewed by Jacopo, reworked some parts of the media controller implementation
>
>
> Changes in v3:
> - change in bindings, small fixes in csi2dc driver and conversion to mc
> for the isc-base.
> - removed some MAINTAINERS patches and used patterns in MAINTAINERS
>
> Changes in v2:
> - integrated many changes suggested by Jacopo in the review of the v1 series.
> - add a few new patches
>
> Eugen Hristev (5):
> media: atmel: atmel-isc: prepare for media controller support
> media: atmel: atmel-isc: implement media controller
> ARM: dts: at91: sama7g5: add nodes for video capture
> ARM: configs: at91: sama7: add xisc and csi2dc
> ARM: multi_v7_defconfig: add atmel video pipeline modules
>
> arch/arm/boot/dts/sama7g5.dtsi | 51 ++
> arch/arm/configs/multi_v7_defconfig | 3 +
> arch/arm/configs/sama7_defconfig | 2 +
> drivers/media/platform/atmel/Makefile | 2 +-
> drivers/media/platform/atmel/atmel-isc-base.c | 485 +++++++++---------
> .../media/platform/atmel/atmel-isc-scaler.c | 267 ++++++++++
> drivers/media/platform/atmel/atmel-isc.h | 50 +-
> .../media/platform/atmel/atmel-sama5d2-isc.c | 34 +-
> .../media/platform/atmel/atmel-sama7g5-isc.c | 32 +-
> 9 files changed, 685 insertions(+), 241 deletions(-)
> create mode 100644 drivers/media/platform/atmel/atmel-isc-scaler.c
>

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