Re: [PATCH v7 0/4] media: camss: sm8250: Virtual channels support for SM8250

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On 03/04/2023 09:38, Milen Mitkov (Consultant) wrote:
On 31/03/2023 11:07, Bryan O'Donoghue wrote:
On 31/03/2023 07:20, Azam Sadiq Pasha Kapatrala Syed wrote:
+ Nico (Linaro)
Hi Team

Would like to know if anything is pending form our end as we want to get the patches mainlined?

Thanks,
Azam

I'd like to get a clearer picture on this

[   90.535909] qcom-camss ac6a000.camss: VFE HW Version = 2.0.1
[   90.545756] qcom-camss ac6a000.camss: CSIPHY 3PH HW Version = 0x40010000
[   90.546358] qcom-camss ac6a000.camss: CSID HW Version = 2.0.1
[   90.546365] qcom-camss ac6a000.camss: csid_link_setup: Enabled CSID virtual channels mask 0x1 [   90.547675] qcom-camss ac6a000.camss: csid_link_setup: Enabled CSID virtual channels mask 0x0

Using the IMX577 sensor on the RB5 we get his pretty odd virtual channels mask.

If userspace is sending this in, the question I have is why. Surely with a sensor that doesn't have a VC there should be no impact on user-space.

---
bod

Hey Bryan,

what media-ctl commands are you using? I can't recreate this on my side. I am using this set of commands to test (with the default imx577 driver without any multiple virtual channels outputs) and am getting only the first message (virtual channels mask 0x1):

media-ctl --reset
media-ctl -v -d /dev/media0 -V '"imx577 '22-001a'":0[fmt:SRGGB10/4056x3040 field:none]'
media-ctl -V '"msm_csiphy2":0[fmt:SRGGB10/4056x3040]'
media-ctl -V '"msm_csid0":0[fmt:SRGGB10/4056x3040]'
media-ctl -V '"msm_vfe0_rdi0":0[fmt:SRGGB10/4056x3040]'
media-ctl -l '"msm_csiphy2":1->"msm_csid0":0[1]'
media-ctl -l '"msm_csid0":1->"msm_vfe0_rdi0":0[1]'

yavta -B capture-mplane -c -I -n 5 -f SRGGB10P -s 4056x3040 -F /dev/video0


Thanks,

Milen

Its a dev_dbg() so "#define DEBUG 1" in drivers/media/platform/qcom/camss/camss-csid.c

---
bod




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