[Intel-gfx] [PATCH 10/18] drm/i915/gtt: Lazily allocate page directories for gen7

[Chris Wilson]

Quoting Matthew Auld (2018-06-08 15:37:43)
> Ah, in gen6_alloc_va_range() I think we now need:
> 
> unwind_out:
> -       gen6_ppgtt_clear_range(vm, from, start);
> +       gen6_ppgtt_clear_range(vm, from, start - from);

You are very right.
-Chris