[PATCH] warn-on-userptr-ggtt
Chris Wilson
chris at chris-wilson.co.uk
Thu Oct 3 00:05:51 UTC 2019
---
drivers/gpu/drm/i915/i915_vma.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index 9d5b0f87c210..2af9d7ffc6f4 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -105,6 +105,7 @@ vma_create(struct drm_i915_gem_object *obj,
/* The aliasing_ppgtt should never be used directly! */
GEM_BUG_ON(vm == &vm->i915->ggtt.alias->vm);
+ WARN_ON(i915_is_ggtt(vm) && obj->userptr.mm);
vma = i915_vma_alloc();
if (vma == NULL)
--
2.23.0
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