I just bought a Gigabyte "GV-R737WF2OC-2GD" (R7 370).
Same problem: unable to boot Linux (Fedora 23 GNOME Workstation)
Same fix: radeon.dpm=0

It was provided with a VBIOS "015.048.000.061" (F2 release) which I updated to
"015.048.000.069" (F3 release) without improvement.
http://www.gigabyte.fr/products/product-page.aspx?pid=5469#bios

The card works on Windows 10.