915ecc22d5b2 ("drm: remove drm specific kmap_atomic code")
79273e1b7eb0 ("drm/vmwgfx: Add a cpu blit utility that can be used for page-backed bos")
9c11fcf1a74d ("drm/ttm: Export the ttm_k[un]map_atomic_prot API.")
403c1826a456 ("drm/ttm: Clean up kmap_atomic_prot selection code")