On Mon, Mar 29, 2021 at 02:32:56AM +0300, Dmitry Osipenko wrote: > The previous commit fixes problem where display client was attaching too > early to IOMMU during kernel boot in a multi-platform kernel configuration > which enables CONFIG_ARM_DMA_USE_IOMMU=y. The workaround that helped to > defer the IOMMU attachment for Nyan Big Chromebook isn't needed anymore, > revert it. Sorry for the late reply. I have been busy with downstream tasks. I will give them a try by the end of the week. Yet, probably it'd be better to include Guillaume also as he has the Nyan platform.