On 18/02/2020 6:23 pm, Greg Kroah-Hartman wrote: [...]
Can you bisect to find the offending commit?
This particular presentation appears to be down to the DRM driver starting to call of_platform_depopulate(), but it's merely exposing badness in the IOMMU driver that's been there from day 1. I just sent a fix for that[1].
Robin.[1] https://lore.kernel.org/linux-iommu/be92829c6e5467634b109add002351e6cf9e18d2.1582049382.git.robin.murphy@xxxxxxx/