Re: [Intel-gfx] [PATCH 02/17] drm/i915: Prepare for non-object vma

[Matthew Auld]

On 6 June 2018 at 07:26, Chris Wilson <ch...@chris-wilson.co.uk> wrote:
> In order to allow ourselves to use VMA to wrap other entities other than
> GEM objects, we need to allow for the vma->obj backpointer to be NULL.
> In most cases, we know we are operating on a GEM object and its vma, but
> we need the core code (such as i915_vma_pin/insert/bind/unbind) to work
> regardless of the innards.
>
> The remaining eyesore here is vma->obj->cache_level and related (but
> less of an issue) vma->obj->gt_ro. With a bit of care we should mirror
> those on the vma itself.
>
> Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
> Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
> Cc: Mika Kuoppala <mika.kuopp...@linux.intel.com>
> Cc: Matthew Auld <matthew.william.a...@gmail.com>
Reviewed-by: Matthew Auld <matthew.william.a...@gmail.com>
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