[PATCH 9/9] drm/i915: use stolen_usable_size for the range sanity check

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In i915_pages_create_for_stolen it probably makes more sense to check if
the range overflows the stolen_usable_size, since stolen_size will
also include the reserved portion which we can't touch.

Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_gem_stolen.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
index 91c1127af872..4ec4084de0ad 100644
--- a/drivers/gpu/drm/i915/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
@@ -435,7 +435,8 @@ i915_pages_create_for_stolen(struct drm_device *dev,
 	struct sg_table *st;
 	struct scatterlist *sg;
 
-	GEM_BUG_ON(range_overflows(offset, size, dev_priv->ggtt.stolen_size));
+	GEM_BUG_ON(range_overflows(offset, size,
+				   dev_priv->ggtt.stolen_usable_size));
 
 	/* We hide that we have no struct page backing our stolen object
 	 * by wrapping the contiguous physical allocation with a fake
-- 
2.14.3

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