Comment 1 for bug 1894635

Hardware Certification have completed testing this -proposed kernel. No regressions were observed, results are available here:
Rpi2b-armhf: https://certification.canonical.com/hardware/201608-25030/submission/181769/
Rpi3b-arm64: https://certification.canonical.com/hardware/201907-27197/submission/181767/
Rpi3b-armhf: https://certification.canonical.com/hardware/201811-26649/submission/181771/
Rpi3a+-arm64: https://certification.canonical.com/hardware/201901-26785/submission/181761/
Rpi3a+-armhf: https://certification.canonical.com/hardware/201907-27199/submission/181758/
Rpi3b+-arm64: https://certification.canonical.com/hardware/201810-26542/submission/181768/
Rpi3b+-armhf: https://certification.canonical.com/hardware/201907-27198/submission/181916/
Rpi4b-1g-arm64: https://certification.canonical.com/hardware/201910-27407/submission/181757/
Rpi4b-1g-armhf: https://certification.canonical.com/hardware/201911-27471/submission/181760/
Rpi4b-2g-arm64: https://certification.canonical.com/hardware/201911-27507/submission/181755/
Rpi4b-2g-armhf: https://certification.canonical.com/hardware/201911-27506/submission/181759/
Rpi4b-4g-arm64: https://certification.canonical.com/hardware/201911-27455/submission/181763/
Rpi4b-4g-armhf: https://certification.canonical.com/hardware/201911-27456/submission/181849/
Rpi4b-8g-arm64: https://certification.canonical.com/hardware/202004-27866/submission/181765/
Rpi4b-8g-armhf: https://certification.canonical.com/hardware/202004-27865/submission/181756/
CM3-arm64: HW broken
CM3-armhf: HW broken
CM3+-arm64: https://certification.canonical.com/hardware/201908-27277/submission/181766/
CM3+-armhf: https://certification.canonical.com/hardware/201908-27277/submission/181774/