linux-kernel - Re: [PATCH 0/6] Support second Image Signal Processor on rk3399

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Date:   Wed, 3 Feb 2021 19:14:22 +0100
From:   Sebastian Fricke <sebastian.fricke@...teo.net>
To:     Heiko Stuebner <heiko@...ech.de>
Cc:     dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        hjc@...k-chips.com, robh+dt@...nel.org,
        linux-media@...r.kernel.org, dafna.hirschfeld@...labora.com,
        helen.koike@...labora.com, ezequiel@...labora.com,
        cmuellner@...ux.com
Subject: Re: [PATCH 0/6] Support second Image Signal Processor on rk3399

Hey Heiko,

I have tested your patch set on my nanoPC-T4, here is a complete log
with:
- relevant kernel log entries
- system information
- media ctl output
- sysfs entry information

https://paste.debian.net/1183874/

Additionally, to your patchset I have applied the following patches:
https://github.com/initBasti/Linux_kernel_media_tree_fork/commits/dual_cam_setup

And just to not cause confusion the `media_dev` entries come from this
unmerged series:
https://patchwork.kernel.org/project/linux-media/list/?series=426269

I have actually been able to stream with both of my cameras at the same
time using the libcamera cam command.
I would like to thank you a lot for making this possible.

If you like to you can add:
Tested-by: Sebastian Fricke <sebastian.fricke@...teo.net>

On 02.02.2021 15:56, Heiko Stuebner wrote:
>The rk3399 has two ISPs and right now only the first one is usable.
>The second ISP is connected to the TXRX dphy on the soc.
>
>The phy of ISP1 is only accessible through the DSI controller's
>io-memory, so this series adds support for simply using the dsi
>controller is a phy if needed.
>
>That solution is needed at least on rk3399 and rk3288 but no-one
>has looked at camera support on rk3288 at all, so right now
>only implement the rk3399 specifics.
>
>
>Heiko Stuebner (6):
>  drm/rockchip: dsi: add own additional pclk handling
>  dt-bindings: display: rockchip-dsi: add optional #phy-cells property
>  drm/rockchip: dsi: add ability to work as a phy instead of full dsi
>  arm64: dts: rockchip: add #phy-cells to mipi-dsi1
>  arm64: dts: rockchip: add cif clk-control pinctrl for rk3399
>  arm64: dts: rockchip: add isp1 node on rk3399
>
> .../display/rockchip/dw_mipi_dsi_rockchip.txt |   1 +
> arch/arm64/boot/dts/rockchip/rk3399.dtsi      |  39 ++
> drivers/gpu/drm/rockchip/Kconfig              |   2 +
> .../gpu/drm/rockchip/dw-mipi-dsi-rockchip.c   | 342 ++++++++++++++++++
> 4 files changed, 384 insertions(+)
>
>-- 
>2.29.2
>