(In reply to comment #22)
> Created attachment 105317 [details] [review] [review]
> drm/radeon: Add RADEON_GEM_CPU_ACCESS BO creation flag

Just a general note: We need to define that flag negated for compatibility
reasons. E.g. RADEON_GEM_NO_CPU_ACCESS because code must assume with an old
client that the buffer is always CPU accessed.