Comment 1 for bug 1913131

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/202983/
Rpi3b-arm64: https://certification.canonical.com/hardware/201811-26649/submission/203339/
Rpi3b-armhf: https://certification.canonical.com/hardware/201907-27197/submission/203341/
Rpi3a+-arm64: https://certification.canonical.com/hardware/201907-27199/submission/203630/
Rpi3a+-armhf: https://certification.canonical.com/hardware/201907-27199/submission/203639/
Rpi3b+-arm64: https://certification.canonical.com/hardware/201907-27198/submission/203546/
Rpi3b+-armhf: https://certification.canonical.com/hardware/201907-27198/submission/203319/
Rpi4b-1g-arm64: https://certification.canonical.com/hardware/201911-27471/submission/203338/
Rpi4b-1g-armhf: https://certification.canonical.com/hardware/201910-27407/submission/203343/
Rpi4b-2g-arm64: https://certification.canonical.com/hardware/201911-27507/submission/203346/
Rpi4b-2g-armhf: https://certification.canonical.com/hardware/201911-27506/submission/203348/
Rpi4b-4g-arm64: https://certification.canonical.com/hardware/201911-27456/submission/203340/
Rpi4b-4g-armhf: https://certification.canonical.com/hardware/201911-27455/submission/203347/
Rpi4b-8g-arm64: https://certification.canonical.com/hardware/202004-27866/submission/203334/
Rpi4b-8g-armhf: https://certification.canonical.com/hardware/202004-27866/submission/203421/
CM3-arm64: https://certification.canonical.com/hardware/201711-25992/submission/202793/
CM3-armhf: https://certification.canonical.com/hardware/201711-25992/submission/203611/
CM3+-arm64: https://certification.canonical.com/hardware/201908-27277/submission/203613/
CM3+-armhf: https://certification.canonical.com/hardware/201908-27277/submission/202785/