VMA (and their objects) are supposed to composed of whole pages. Add an assert to catch any invalid construct when we create the VMA.
Signed-off-by: Chris Wilson <[email protected]> Cc: Mika Kuoppala <[email protected]> --- 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 ecb495b1c5d3..559966dc3d35 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -110,6 +110,8 @@ vma_create(struct drm_i915_gem_object *obj, if (unlikely(vma->size > vm->total)) goto err_vma; + GEM_BUG_ON(!IS_ALIGNED(vma->size, I915_GTT_PAGE_SIZE)); + if (i915_is_ggtt(vm)) { if (unlikely(overflows_type(vma->size, u32))) goto err_vma; -- 2.11.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
