https://bugs.freedesktop.org/show_bug.cgi?id=90263
--- Comment #13 from Todd todd@todddailey.ca --- The following may or may not be relevant to this issue.
"Fixes for SI fan handling"
http://cgit.freedesktop.org/%7Eagd5f/linux/commit/?h=drm-next-3.20-wip&i...
"Enable smc fan control on SI"
http://cgit.freedesktop.org/%7Eagd5f/linux/commit/?h=drm-next-3.20-wip&i...