[Intel-gfx] [PATCH 1/2] drm/i915: Assert the vma can fit within the address space

[Mika Kuoppala]

Chris Wilson <chris at chris-wilson.co.uk> writes:

> Useful sanity check that the vma is legal to bind inside the address
> space.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Reviewed-by: Mika Kuoppala <mika.kuoppala at intel.com>

> ---
>  drivers/gpu/drm/i915/i915_vma.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
> index 635f2635b1f2..68e66ffb95e8 100644
> --- a/drivers/gpu/drm/i915/i915_vma.c
> +++ b/drivers/gpu/drm/i915/i915_vma.c
> @@ -107,6 +107,8 @@ vma_create(struct drm_i915_gem_object *obj,
>  		}
>  	}
>  
> +	GEM_BUG_ON(vma->size > vm->total);
> +
>  	if (i915_is_ggtt(vm)) {
>  		GEM_BUG_ON(overflows_type(vma->size, u32));
>  		vma->fence_size = i915_gem_fence_size(vm->i915, vma->size,
> -- 
> 2.11.0
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx