Comment 1 for bug 1861196

Hardware Certification have completed testing this -proposed kernel. No regressions were observed, results are available here:
Rpi2b-armhf: https://certification.canonical.com/hardware/201906-27188/submission/161422/
Rpi3b-arm64: https://certification.canonical.com/hardware/201811-26649/submission/161426/
Rpi3b-armhf: https://certification.canonical.com/hardware/201811-26649/submission/161417/
Rpi3a+-arm64: https://certification.canonical.com/hardware/201901-26785/submission/161439/
Rpi3a+-armhf: https://certification.canonical.com/hardware/201901-26785/submission/161432/
Rpi3b+-arm64: https://certification.canonical.com/hardware/201810-26542/submission/161437/
Rpi3b+-armhf: https://certification.canonical.com/hardware/201810-26542/submission/161431/
Rpi4b-1g-arm64: https://certification.canonical.com/hardware/201911-27471/submission/161413/
Rpi4b-1g-armhf: https://certification.canonical.com/hardware/201910-27407/submission/161414/
Rpi4b-2g-arm64: https://certification.canonical.com/hardware/201911-27507/submission/161411/
Rpi4b-2g-armhf: https://certification.canonical.com/hardware/201911-27506/submission/161409/
Rpi4b-4g-arm64: https://certification.canonical.com/hardware/201911-27456/submission/161410/
Rpi4b-4g-armhf: https://certification.canonical.com/hardware/201911-27455/submission/161412/
CM3-arm64: https://certification.canonical.com/hardware/201711-25992/submission/161429/
CM3-armhf: https://certification.canonical.com/hardware/201711-25992/submission/161435/
CM3+-arm64: https://certification.canonical.com/hardware/201908-27277/submission/161440/
CM3+-armhf: https://certification.canonical.com/hardware/201908-27277/submission/161434/