APPLIED[O]: [PATCH 0/1][SRU][Unstable][Plucky][Oracular] media: ipu-bridge: Add support for additional link frequencies

[Roxana Nicolescu]

On 26/10/2024 06:41, You-Sheng Yang wrote:
> BugLink: https://bugs.launchpad.net/bugs/2084059
>
> [Impact]
>
> OVTI08F4 camera sensor is used in a different hardware config that is not
> currently supported:
>
>    $ sudo dmesg
>    ...
>    usbio-i2c usbio-i2c.3.auto: hid INTC10B6 uid VIC0 new uid1
>    ov08x40 i2c-OVTI08F4:00: number of CSI2 data lanes 2 is not supported
>    ov08x40 i2c-OVTI08F4:00: failed to check hwcfg: -22
>    ov08x40 i2c-OVTI08F4:00: probe with driver ov08x40 failed with error -22
>
> [Fix]
>
> Proposed fix in:
> * https://github.com/intel/ipu6-drivers/pull/286
>
> There are two parts. One in the kernel tree that is to be SRU-ed in this pull
> request. It adds two additional link frequencies so that ipu-bridge may probe
> this case.
>
> The other part is in the camera sensor driver itself that goes to ipu6-drivers.
>
> [Test Case]
>
> With patch applied, install kernel and intel-ipu6-dkms from -proposed pocket:
>
>    $ sudo dmesg
>    ...
>    intel_ipu7_psys.psys intel_ipu7.psys.40: psys probe minor: 0
>    intel_ipu7_isys.isys intel_ipu7.isys.40: bind ov08x40 14-0036 nlanes is 2 port is 0
>    intel_ipu7_isys.isys intel_ipu7.isys.40: All sensor registration completed.
>
> [Where problems could occur]
>
> This is a new hardware configuration for OVTI08F4. Expect further issues.
>
> [Other Info]
>
> So far this configuration is bound to Intel Lunar Lake platform that is only
> supported by v6.11 kernels and ipu6-drivers/oracular, ipu7/drivers/oracular.
> Nominate for linux/oracular, linux-oem-6.11/noble and linux-unstable-6.12.
>
> Jason Chen (1):
>    UBUNTU: SAUCE: media: ipu-bridge: Add support for additional link
>      frequencies
>
>   drivers/media/pci/intel/ipu-bridge.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
Applied to oracular:linux master-next branch. Thanks!