linux-kernel - Re: [PATCH v8 0/2] MT9M114 driver bugfix and improvements

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Message-ID: <20250715185550.GA19299@pendragon.ideasonboard.com>
Date: Tue, 15 Jul 2025 21:55:50 +0300
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Mathis Foerst <mathis.foerst@...com>
Cc: linux-kernel@...r.kernel.org,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	linux-media@...r.kernel.org, manuel.traut@...com,
	mathis.foerst@...hlke.com
Subject: Re: [PATCH v8 0/2] MT9M114 driver bugfix and improvements

Hi Mathis,

Thank you for the patches.

The series is fully reviewed. It's unfortuantely a bit too late for
v6.17, I expect Sakari will pick it up for v6.18.

On Mon, Jul 14, 2025 at 09:59:25AM +0200, Mathis Foerst wrote:
> Hi,
> 
> this patch series contains the following bugfix and improvements
> for the MT9M114 camera driver:
> 
> Changelog:
> 
> v7 -> v8:
> - Add missing braces in 1.
> - Fix formatting issues as suggested in review.
> 
> v6 -> v7:
> - Remove already picked patches 1, 2, 3 and 6.
> - Remove patch 4 as suggested in review.
> - Fix formatting issues
> - Return -EBUSY from mt9m114_pa_set_selection if the cropping size changes
>   while in streaming state.
> 
> v5 -> v6:
> - Add 'Reviewed-By:' tags. Sorry for forgetting this in the previous versions
> 
> v4 -> v5:
> - Apply reformatings and small refactorings as suggested in review comments
> - Split PATCH 4 into two parts: One for applying HFLIP / VFLIP while 
>   streaming, one for applying set_selection while streaming.
> - Add condition to apply set_selection immediately only if the size of the
>   cropping rectangle does not change in PATCH 5
> - Use device_property_read_u32 instead of of_property_read_u32 in PATCH 7
> 
> v3 -> v4:
> - Rename DT binding from "onnn,slew-rate" to "slew-rate" in PATCH 1 and 6 as
>   requested in the review comment.
> 
> v2 -> v3:
> - Dropped PATCH 2 ("media: mt9m114: Add get_mbus_config").
>   Based on the comments, this issure won't be fixed in the MT9M114
>   driver but in "imx-media-csi.c" in a separate patch.
> - Renumbered patches accordingly.
> - Fix the incomplete renaming of the DT property from 'pad-slew-rate'
>   to 'onnn,slew-rate' in PATCH 1 and 6.
> - Fix checkpatch formatting suggestions in PATCH 2 and 6.
> 
> v1 -> v2:
> - Fix the subjects of the patches
> - Dropped PATCH 1 ("Add bypass-pll DT-binding") as it can be automatically
>   detected if the PLL should be bypassed.
> - Renumbered patches accordingly
> - Switch to uint32, add default value and clarify documentation in PATCH 1
> - Add 'Fixes' and 'Cc' tags as suggested in PATCH 6
> 
> Link to v1 discussion:
> https://lore.kernel.org/linux-media/20250226153929.274562-1-mathis.foerst@mt.com/
> Link to v2 discussion:
> https://lore.kernel.org/linux-media/20250304103647.34235-1-mathis.foerst@mt.com/
> Link to v3 discussion:
> https://lore.kernel.org/linux-media/20250305101453.708270-1-mathis.foerst@mt.com/
> Link to v4 discussion:
> https://lore.kernel.org/linux-media/20250307093140.370061-1-mathis.foerst@mt.com/
> 
> Bugfixes:
> - Fix a deadlock when using the V4L2 pad-ops get/set_frame_interval
> 
> New Features:
> - Bypass the internal PLL if EXTCLK matches the configured link_frequency
> - Make the slew-rate of the output pads configurable via DT
> - Allow to change the cropping configuration while the sensor is in streaming 
>   state
> 
> Thanks,
> Mathis
> 
> Mathis Foerst (2):
>   media: mt9m114: Allow set_selection while streaming
>   media: mt9m114: Set pad-slew-rate
> 
>  drivers/media/i2c/mt9m114.c | 69 ++++++++++++++++++++++++++++---------
>  1 file changed, 53 insertions(+), 16 deletions(-)
> 
> 
> base-commit: a8598c7de1bcd94461ca54c972efa9b4ea501fb9

-- 
Regards,

Laurent Pinchart