linux-kernel - Re: [PATCH 0/3] media: Support runtime PM and system sleep for TI-CSI2RX

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Message-ID: <ff1db3ac-4511-4346-b9e6-bd98ad811c0f@ti.com>
Date: Mon, 4 Aug 2025 13:02:06 +0530
From: Rishikesh Donadkar <r-donadkar@...com>
To: Jai Luthra <jai.luthra@...asonboard.com>,
        Mauro Carvalho Chehab
	<mchehab@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Philipp Zabel
	<p.zabel@...gutronix.de>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>
CC: <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Laurent
 Pinchart <laurent.pinchart@...asonboard.com>,
        Tomi Valkeinen
	<tomi.valkeinen@...asonboard.com>,
        Changhuang Liang
	<changhuang.liang@...rfivetech.com>,
        Devarsh Thakkar <devarsht@...com>
Subject: Re: [PATCH 0/3] media: Support runtime PM and system sleep for
 TI-CSI2RX


On 24/02/25 19:05, Jai Luthra wrote:
> This series adds support for runtime power management and system sleep
> for the TI (J721E) CSI2RX pipeline.
>
> Some basic testing with suspend-to-idle mode has been performed to
> ensure that any ongoing stream resumes smoothly after wakeup. More
> testing with suspend-to-memory mode will be done later, as I need to
> update the device management boot firmware, which supports newer APIs
> used by the mainline kernel.
>
> I have picked PATCH 1/3 from Changhuang's earlier series [1] with minor
> modifications.
>
> Link: https://lore.kernel.org/linux-media/20240718032834.53876-1-changhuang.liang@starfivetech.com/ [1]
>
> Signed-off-by: Jai Luthra <jai.luthra@...asonboard.com>


Hi Jai,

Thank you for the patches. For the entire series,

Tested-by: Rishikesh Donadkar <r-donadkar@...com>

Reviewed-by: Rishikesh Donadkar <r-donadkar@...com>


Test Logs (AM62A): 
https://gist.github.com/Rishikesh-D/303218d56f51c8acdc02282fef40da36


> ---
> Changhuang Liang (1):
>        media: cadence: csi2rx: Support runtime PM
>
> Jai Luthra (2):
>        media: ti: j721e-csi2rx: Support runtime suspend
>        media: ti: j721e-csi2rx: Support system suspend using pm_notifier
>
>   drivers/media/platform/cadence/Kconfig             |   1 +
>   drivers/media/platform/cadence/cdns-csi2rx.c       | 121 +++++++++-----
>   drivers/media/platform/ti/Kconfig                  |   1 +
>   .../media/platform/ti/j721e-csi2rx/j721e-csi2rx.c  | 180 +++++++++++++++++++--
>   4 files changed, 252 insertions(+), 51 deletions(-)
> ---
> base-commit: d082ecbc71e9e0bf49883ee4afd435a77a5101b6
> change-id: 20250224-ti_csi_pm-24808b2b445c
>
> Best regards,