Comment # 37 on bug 103370 from Robert Liu

(In reply to Robert Liu from comment #36)
> BTW, with 4.13.0-16-generic, I change the max_sclk in drm/radeon/si_dpm.c
> (what we did with Ubuntu kernel 4.4.0-101-generic) from 75000 to 65000, but
> still met the hang issue.
By restricting max_sclk to 65000 and max_mclk to 80000, both radeon and amdgpu
do not have the issue.