Merge branch 'drm-fixes-4.10' of git://people.freedesktop.org/~agd5f/linux into drm-fixes

two amd fixes.

* 'drm-fixes-4.10' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: Fix vram_size/visible values in DRM_RADEON_GEM_INFO ioctl
  drm/amdgpu/si: fix crash on headless asics