Hello,
S3 - it does work but you just have to wait a long time I would guess
that maybe there is some ram re-training going on and that is why
resuming from S3 takes over a minute.
AFAIK, retraining the RAM destroys its contents (and that is why timings must be cached to flash for S3 to work). Does AMD have anything special to retrain memory yet still preserve RAM data to allow suspend, or am I missing something here?
Best regards,
Angel Pons