Comment # 16 on bug 101499 from Michel Dänzer

(In reply to Carlo Caione from comment #15)
> > With an amd-staging-* kernel branch and DC enabled, you can try tweaking
> > dce_v11_0_crtc_do_set_base to pass AMDGPU_GEM_DOMAIN_GTT instead of / in
> > addition to AMDGPU_GEM_DOMAIN_VRAM to amdgpu_bo_pin. [...]
> I tried amd-staging-4.11 and interestingly dce_v11_0_crtc_do_set_base is
> called only when DC is disabled.

Right, sorry, with DC you need to tweak dm_plane_helper_prepare_fb instead.