01.04.2021 11:55, Nicolin Chen пишет: > 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. > Indeed, thanks. Although, I'm pretty sure that it's the same issue which I reproduced on Nexus 7. Guillaume, could you please give a test to these patches on Nyan Big? There should be no EMEM errors in the kernel log with this patches. https://patchwork.ozlabs.org/project/linux-tegra/list/?series=236215
