[PATCH 67/77] drm/i915: Reduce WARN(i915_gem_valid_gtt_space) to a debug-only check

[Chris Wilson]

i915_gem_valid_gtt_space() is used after inserting the VMA to double
check the list - the location should have been chosen to pass all the
restrictions.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_gem.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index cef7e2deb519..5b7c1b892223 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3092,10 +3092,7 @@ search_free:
 			goto err_vma;
 		}
 	}
-	if (WARN_ON(!i915_gem_valid_gtt_space(vma, obj->cache_level))) {
-		ret = -EINVAL;
-		goto err_remove_node;
-	}
+	GEM_BUG_ON(!i915_gem_valid_gtt_space(vma, obj->cache_level));
 
 	trace_i915_vma_bind(vma, flags);
 	ret = i915_vma_bind(vma, obj->cache_level, flags);
-- 
2.8.1