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

[Chris Wilson]

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>
---
 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