linux-kernel - Re: [PATCH v2 0/6] media: ti, cdns: Multiple pixel support and misc fixes

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Message-ID: <6dafe9e8-7c94-4b53-80fb-c6807c6cefd2@ti.com>
Date: Fri, 13 Jun 2025 11:32:12 +0530
From: Yemike Abhilash Chandra <y-abhilashchandra@...com>
To: Jai Luthra <jai.luthra@...asonboard.com>,
        Mauro Carvalho Chehab
	<mchehab@...nel.org>,
        Hans Verkuil <hverkuil@...all.nl>,
        Tomi Valkeinen
	<tomi.valkeinen@...asonboard.com>,
        Sakari Ailus
	<sakari.ailus@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>
CC: Devarsh Thakkar <devarsht@...com>, Rishikesh Donadkar <r-donadkar@...com>,
        Vaishnav Achath <vaishnav.a@...com>,
        Changhuang Liang
	<changhuang.liang@...rfivetech.com>,
        <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <stable@...r.kernel.org>
Subject: Re: [PATCH v2 0/6] media: ti, cdns: Multiple pixel support and misc
 fixes

Hi Jai,
Thanks for the patch series.

On 10/04/25 12:18, Jai Luthra wrote:
> Hi,
> 
> The first four patches in this series are miscellaneous fixes and
> improvements in the Cadence and TI CSI-RX drivers around probing, fwnode
> and link creation.
> 
> The last two patches add support for transmitting multiple pixels per
> clock on the internal bus between Cadence CSI-RX bridge and TI CSI-RX
> wrapper. As this internal bus is 32-bit wide, the maximum number of
> pixels that can be transmitted per cycle depend upon the format's bit
> width. Secondly, the downstream element must support unpacking of
> multiple pixels.
> 
> Thus we export a module function that can be used by the downstream
> driver to negotiate the pixels per cycle on the output pixel stream of
> the Cadence bridge.
> 
> Signed-off-by: Jai Luthra <jai.luthra@...asonboard.com>
> ---

For the entire series,

Tested-by: Yemike Abhilash Chandra <y-abhilashchandra@...com> [on AM68SK]

> Changes in v2:
> - Rebase on v6.15-rc1
> - Fix lkp warnings in PATCH 5/6 missing header for FIELD_PREP
> - Add R-By tags from Devarsh and Changhuang
> - Link to v1: https://lore.kernel.org/r/20250324-probe_fixes-v1-0-5cd5b9e1cfac@ideasonboard.com
> 
> ---
> Jai Luthra (6):
>        media: ti: j721e-csi2rx: Use devm_of_platform_populate
>        media: ti: j721e-csi2rx: Use fwnode_get_named_child_node
>        media: ti: j721e-csi2rx: Fix source subdev link creation
>        media: cadence: csi2rx: Implement get_fwnode_pad op
>        media: cadence: cdns-csi2rx: Support multiple pixels per clock cycle
>        media: ti: j721e-csi2rx: Support multiple pixels per clock
> 
>   drivers/media/platform/cadence/cdns-csi2rx.c       | 76 +++++++++++++++++-----
>   drivers/media/platform/cadence/cdns-csi2rx.h       | 19 ++++++
>   drivers/media/platform/ti/Kconfig                  |  3 +-
>   .../media/platform/ti/j721e-csi2rx/j721e-csi2rx.c  | 66 ++++++++++++++-----
>   4 files changed, 129 insertions(+), 35 deletions(-)
> ---
> base-commit: 0af2f6be1b4281385b618cb86ad946eded089ac8
> change-id: 20250314-probe_fixes-7e0ec33c7fee
> 
> Best regards,