linux-kernel - Re: [PATCH v2 0/6] media: renesas: vsp1: Add support for IIF

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20250225225605.GA2676269@ragnatech.se>
Date: Tue, 25 Feb 2025 23:56:05 +0100
From: Niklas Söderlund <niklas.soderlund@...natech.se>
To: Jacopo Mondi <jacopo.mondi+renesas@...asonboard.com>
Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
	linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>
Subject: Re: [PATCH v2 0/6] media: renesas: vsp1: Add support for IIF

Hi Jacopo,

Thanks for your work.

On 2025-02-24 21:19:40 +0100, Jacopo Mondi wrote:
> The IIF (ISP InterFace) is a VSP2 function that reads data from
> external memory using two RPF instances and feed it to the ISP.
> 
> The IIF support is modeled in the vsp1 driver as a new, simple,
> entity type.
> 
> IIF is part of VSPX, a version of the VSP2 IP specialized for ISP
> interfacing. To prepare to support VSPX, support IIF first by
> introducing a new entity and by adjusting the RPF/WPF drivers to
> operate correctly when an IIF is present.
> 
> Signed-off-by: Jacopo Mondi <jacopo.mondi+renesas@...asonboard.com>
> ---
> Changes in v2:
> - Collect tags
> - Address review comments from Laurent, a lot of tiny changes here and
>   there but no major redesign worth an entry in the patchset changelog

I'm still no expert on the VSP1 but the changes looks good, so FWIW.

Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>

I also tested this with the ISP and it all works as expected,

Tested-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>

> 
> ---
> Jacopo Mondi (6):
>       media: vsp1: Add support IIF ISP Interface
>       media: vsp1: Clean FRE interrupt status
>       media: vsp1: dl: Use singleshot DL for VSPX
>       media: vsp1: rwpf: Break out format handling
>       media: vsp1: rwpf: Support RAW Bayer and ISP config
>       media: vsp1: rwpf: Support operations with IIF
> 
>  drivers/media/platform/renesas/vsp1/Makefile      |   2 +-
>  drivers/media/platform/renesas/vsp1/vsp1.h        |   3 +
>  drivers/media/platform/renesas/vsp1/vsp1_dl.c     |   7 +-
>  drivers/media/platform/renesas/vsp1/vsp1_drv.c    |  14 ++-
>  drivers/media/platform/renesas/vsp1/vsp1_entity.c |   8 ++
>  drivers/media/platform/renesas/vsp1/vsp1_entity.h |   1 +
>  drivers/media/platform/renesas/vsp1/vsp1_iif.c    | 133 ++++++++++++++++++++++
>  drivers/media/platform/renesas/vsp1/vsp1_iif.h    |  26 +++++
>  drivers/media/platform/renesas/vsp1/vsp1_pipe.c   |   1 +
>  drivers/media/platform/renesas/vsp1/vsp1_pipe.h   |   1 +
>  drivers/media/platform/renesas/vsp1/vsp1_regs.h   |   8 ++
>  drivers/media/platform/renesas/vsp1/vsp1_rpf.c    |  18 ++-
>  drivers/media/platform/renesas/vsp1/vsp1_rwpf.c   | 110 ++++++++++++++++--
>  drivers/media/platform/renesas/vsp1/vsp1_wpf.c    |  14 ++-
>  14 files changed, 327 insertions(+), 19 deletions(-)
> ---
> base-commit: b2c4bf0c102084e77ed1b12090d77a76469a6814
> change-id: 20250123-v4h-iif-a1dda640c95d
> 
> Best regards,
> -- 
> Jacopo Mondi <jacopo.mondi+renesas@...asonboard.com>
> 

-- 
Kind Regards,
Niklas Söderlund