What packages I need to install to properly support my AMD GPU?

[rempas at tutanota.com]

My GPU is the AMD Radeon RX 560. On Linux, this card used the AMDGPU driver
and when I'm using a Linux OS on a virtual machine, everything works out of the
box but with DragonFlyBSD, xrandr is not able to detect my monitor properly but
it instead shows "Display 0". The resolution also shows up to "1280 x 720" and the
and the refresh rate is not recognized at all. From what I've seen, DragonFlyBSD
supports the AMDGPU driver so it probably supports this card too but the only
package I was able to find and install was "xf86-video-amdgpu" which didn't seemed
to fix the problem. Any ideas? Is an extra package needed because I'm using DragonFlyBSD
in a virtual machine (qemu)?