Comment # 78 on bug 102646 from Garrett

(In reply to IvvanVG from comment #76)
> problem because of this commit
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/
> ?h=linux-4.18.y&id=d9ef158adf04b81772a7e9d682a054614ebac2fd
> discussion on Ubuntu was here
> https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-amdgpu/+bug/
> 1813701
> Also affects RX580. I think that the bug applies to 400, 500 series of
> graphics cards

affected my RX580 until i ran the command i commented above. on my RX580,
locking the sclk fixed flickering on 75hz refresh. yea its running a little
harder just to keep the display from flickering on the desktop but it stays
cool enough im not worried about it