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From: "Jernej Škrabec" <jernej.skrabec@gmail.com>
To: linux-media@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org,
	linux-staging@lists.linux.dev,
	Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Cc: Paul Kocialkowski <paul.kocialkowski@bootlin.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Chen-Yu Tsai <wens@csie.org>,
	Samuel Holland <samuel@sholland.org>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	Hans Verkuil <hans.verkuil@cisco.com>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Subject: Re: [PATCH v8 6/6] media: sun6i-csi: Add support for hooking to the isp devices
Date: Sun, 06 Nov 2022 10:13:11 +0100	[thread overview]
Message-ID: <2085642.OBFZWjSADL@jernej-laptop> (raw)
In-Reply-To: <20221103163717.246217-7-paul.kocialkowski@bootlin.com>

Dne četrtek, 03. november 2022 ob 17:37:17 CET je Paul Kocialkowski 
napisal(a):
> In order to use the isp and csi together, both devices need to be
> parented to the same v4l2 and media devices. We use the isp as
> top-level device and let the csi code hook to its v4l2 and media
> devices when async subdev registration takes place.
> 
> As a result v4l2/media device setup is only called when the ISP
> is missing and the capture device is registered after the devices
> are hooked. The bridge subdev and its notifier are registered
> without any device when the ISP is available. Top-level pointers
> for the devices are introduced to either redirect to the hooked ones
> (isp available) or the registered ones (isp missing).
> 
> Also keep track of whether the capture node was setup or not to
> avoid cleaning up resources when it wasn't.
> 
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>

Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>

Best regards,
Jernej



WARNING: multiple messages have this Message-ID (diff)
From: "Jernej Škrabec" <jernej.skrabec@gmail.com>
To: linux-media@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org,
	linux-staging@lists.linux.dev,
	Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Cc: Paul Kocialkowski <paul.kocialkowski@bootlin.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Chen-Yu Tsai <wens@csie.org>,
	Samuel Holland <samuel@sholland.org>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	Hans Verkuil <hans.verkuil@cisco.com>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Subject: Re: [PATCH v8 6/6] media: sun6i-csi: Add support for hooking to the isp devices
Date: Sun, 06 Nov 2022 10:13:11 +0100	[thread overview]
Message-ID: <2085642.OBFZWjSADL@jernej-laptop> (raw)
In-Reply-To: <20221103163717.246217-7-paul.kocialkowski@bootlin.com>

Dne četrtek, 03. november 2022 ob 17:37:17 CET je Paul Kocialkowski 
napisal(a):
> In order to use the isp and csi together, both devices need to be
> parented to the same v4l2 and media devices. We use the isp as
> top-level device and let the csi code hook to its v4l2 and media
> devices when async subdev registration takes place.
> 
> As a result v4l2/media device setup is only called when the ISP
> is missing and the capture device is registered after the devices
> are hooked. The bridge subdev and its notifier are registered
> without any device when the ISP is available. Top-level pointers
> for the devices are introduced to either redirect to the hooked ones
> (isp available) or the registered ones (isp missing).
> 
> Also keep track of whether the capture node was setup or not to
> avoid cleaning up resources when it wasn't.
> 
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>

Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>

Best regards,
Jernej



_______________________________________________
linux-arm-kernel mailing list
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2022-11-06  9:13 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-03 16:37 [PATCH v8 0/6] Allwinner A31/A83T MIPI CSI-2 and A31 ISP / ISP Driver Paul Kocialkowski
2022-11-03 16:37 ` Paul Kocialkowski
2022-11-03 16:37 ` [PATCH v8 1/6] dt-bindings: media: Add Allwinner A31 ISP bindings documentation Paul Kocialkowski
2022-11-03 16:37   ` Paul Kocialkowski
2022-11-03 16:37 ` [PATCH v8 2/6] dt-bindings: media: sun6i-a31-csi: Add internal output port to the ISP Paul Kocialkowski
2022-11-03 16:37   ` Paul Kocialkowski
2022-11-03 16:37 ` [PATCH v8 3/6] staging: media: Add support for the Allwinner A31 ISP Paul Kocialkowski
2022-11-03 16:37   ` Paul Kocialkowski
2022-11-06  9:12   ` Jernej Škrabec
2022-11-06  9:12     ` Jernej Škrabec
2022-11-28  6:31   ` Nathan Chancellor
2022-11-28  6:31     ` Nathan Chancellor
2022-12-07 10:06     ` Conor Dooley
2022-12-07 10:06       ` Conor Dooley
2022-12-08 13:57       ` Paul Kocialkowski
2022-12-08 13:57         ` Paul Kocialkowski
2022-11-03 16:37 ` [PATCH v8 4/6] MAINTAINERS: Add entry for the Allwinner A31 ISP driver Paul Kocialkowski
2022-11-03 16:37   ` Paul Kocialkowski
2022-11-03 16:37 ` [PATCH v8 5/6] media: sun6i-csi: Detect the availability of the ISP Paul Kocialkowski
2022-11-03 16:37   ` Paul Kocialkowski
2022-11-06  9:12   ` Jernej Škrabec
2022-11-06  9:12     ` Jernej Škrabec
2022-11-03 16:37 ` [PATCH v8 6/6] media: sun6i-csi: Add support for hooking to the isp devices Paul Kocialkowski
2022-11-03 16:37   ` Paul Kocialkowski
2022-11-06  9:13   ` Jernej Škrabec [this message]
2022-11-06  9:13     ` Jernej Škrabec

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