[Intel-gfx] [PATCH 5/7] drm/i915: Pull kref into i915_address_space

[Matthew Auld]

On Mon, 3 Jun 2019 at 18:49, Chris Wilson <chris at chris-wilson.co.uk> wrote:
>
> Make the kref common to both derived structs (i915_ggtt and i915_ppgtt)
> so that we can safely reference count an abstract ctx->vm address space.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>