Hey Heiko,
On 03.02.2021 20:54, Heiko Stübner wrote:
Hi Sebastian,
Am Mittwoch, 3. Februar 2021, 19:14:22 CET schrieb Sebastian Fricke:
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.
Thanks for testing a dual camera setup. On my board I could only test
the second ISP. And really glad it works for you tool :-) .
Out of curiosity, do you also see that green tint in the images the cameras
produce?
Yes, I do. Actually, I currently have two forms of a green tint, on my
OV13850 everything is quite dark and greenish, which is caused by the
missing 3A algorithms. On my OV4689, I have big patches of the image
with bright green color and flickering, I investigated if this is
connected to the 2nd ISP instance, but that doesn't seem to be the case
as I have the same results when I switch the CSI ports of the cameras.
I have found another issue, while testing I discovered following
issue:
When I start the system with an HDMI monitor connected, then the camera
on the 2nd port doesn't work. This is probably because the RX/TX is
reserved as a TX.
But it made me wonder because if the system has an RX, a TX, and
an RX/TX, why isn't the pure TX used by the monitor and the
cameras take RX and RX/TX?
Or do you think that this is maybe a malfunction of this patch?
Thanks
Heiko
Greetings,
Sebastian
If you like to you can add:
Tested-by: Sebastian Fricke <sebastian.fricke@xxxxxxxxxx>
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(+)
>
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