The disaster of MIPI cameras on Linux
Conclusions
Devices with the IPU6 chipset are definitely something to avoid as a Linux user, even if it feels wrong to even make such a statement in the year 2023. It is Intel's duty to develop suitable drivers, maintain them, and integrate them into Linux if the company is looking to release hardware onto the market by citing specifications.
If you already own a computer with an IPU6 chip and a MIPI-based cam, it is best to switch to a basic external webcam that offers better support for Linux (Figure 5). Webcams are readily available for little money, and they usually run as plug-and-play solutions on Linux without needing special drivers outside the kernel.
We can only hope that Intel will quickly change its mind and get a grip on the situation. Currently, the use of IPU6 cameras on Linux is an outrageous imposition on the part of the vendor.
Infos
- Greg Kroah-Hartman on IPU cameras: https://lore.kernel.org/lkml/YvUaEDMbZD70x+hD@kroah.com/
- Required kernel patch 1: https://github.com/intel/ipu6-drivers/blob/2b8a592dc63e117d8f5af5f32a10d7e0651832d2/patch/IOMMU-passthrough-for-intel-ipu.diff
- Required kernel patch 2: https://github.com/intel/ipu6-drivers/blob/2b8a592dc63e117d8f5af5f32a10d7e0651832d2/patch/int3472-support-independent-clock-and-LED-gpios-5.17%2B.patch
- Required kernel patch 3: https://lore.kernel.org/all/20221106170345.1579893-30-sashal@kernel.org/
- Firmware files and libraries: https://github.com/intel/ipu6-camera-bins
- Ubuntu OEM Solutions Group: https://launchpad.net/~oem-solutions-group/+archive/ubuntu/intel-ipu6
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