mmCUR_POSITION
WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);