I should confirm solution with older catalyst.
I tried several versions:
9.7 - haven't yet drivers for HD 4200
9.8 - works good - without delay after resume from S3
9.9 - works bad - delay after resume from S3
9.10 - works bad - tried by gonzo21
9.11 - I didn't test
9.12 - works bad - delay after resume from S3
I tried several versions:
9.7 - haven't yet drivers for HD 4200
9.8 - works good - without delay after resume from S3
9.9 - works bad - delay after resume from S3
9.10 - works bad - tried by gonzo21
9.11 - I didn't test
9.12 - works bad - delay after resume from S3