Jason Gunthorpe <[email protected]> writes: > On Thu, Dec 25, 2025 at 10:05:59PM +0100, Linus Heckemann wrote: >> It appears the code removed here was not in fact entirely dead; my 2024 >> gpd win mini ("G1617-01", with a Ryzen 8840U) fails to suspend >> correctly, and I bisected the issue to this commit. > > The only behavior change this patch had that could be relavent to a > Ryzen was in drivers/accel/amdxdna/aie2_pci.c - are you using this > driver? > > Prior to this patch amdxdna would have failed to load in configs > without an iommu as iommu_dev_enable_feature() would have > failed. After this patch it will load successfully. > > If so then that driver presmuably doesn't have working power > management in your system.
You're right, blacklisting the amdxdna driver fixes suspend, thanks for the pointer! @Min Ma, Lizhi Hou, dri-devel: do you have any insight into why this might be happening? Cheers Linus H
