https://bugs.freedesktop.org/show_bug.cgi?id=108493
--- Comment #17 from Timur Kristóf venemo@msn.com --- Hi Everyone,
I've just tested Linux 5.0-rc1 and have not encountered the problem so far. Looking into it more, I think the same patch set that fixed the Sapphire RX 590 for Michael @ Phoronix also fixed my Sapphire RX 570.
Assuming this is the main patch that fixed the issue: https://github.com/torvalds/linux/commit/816b6931315b641c5864cf33a9363cb89da... (specifically the line that sets ucEnableApplyAVFS_CKS_OFF_Voltage). Looking at the code, it seems a bunch other GPUs are affected (besides the RX 590 and RX 570).
Could you guys please send this patch series for inclusion into the stable kernel? Since it fixes a huge stability issue I think it is a reasonable request.