amdgpu_device_wb_get
int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
r = amdgpu_device_wb_get(adev, &adev->virt.reg_val_offs);
r = amdgpu_device_wb_get(adev, &ih->wptr_offs);
r = amdgpu_device_wb_get(adev, &ih->rptr_offs);
r = amdgpu_device_wb_get(adev, &ring->rptr_offs);
r = amdgpu_device_wb_get(adev, &ring->wptr_offs);
r = amdgpu_device_wb_get(adev, &ring->fence_offs);
r = amdgpu_device_wb_get(adev, &ring->cond_exe_offs);
r = amdgpu_device_wb_get(adev, &index);
r = amdgpu_device_wb_get(adev, &index);
r = amdgpu_device_wb_get(adev, &index);
r = amdgpu_device_wb_get(adev, &index);
r = amdgpu_device_wb_get(adev, &index);
r = amdgpu_device_wb_get(adev, &index);
r = amdgpu_device_wb_get(adev, &index);
r = amdgpu_device_wb_get(adev, &index);
r = amdgpu_device_wb_get(adev, &index);
r = amdgpu_device_wb_get(adev, &index);