[PATCH 10/79] drm/i915: Flush the freed object queue on device release

Chris Wilson chris at chris-wilson.co.uk
Tue Feb 7 22:19:54 UTC 2017


As dmabufs may live beyond the PCI device removal, we need to flush the
freed object worker on device release, and include a warning in case
there is a leak.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_gem.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 190d47197e40..68e1adbe999b 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4666,7 +4666,9 @@ i915_gem_load_init(struct drm_i915_private *dev_priv)
 
 void i915_gem_load_cleanup(struct drm_i915_private *dev_priv)
 {
+	i915_gem_drain_freed_objects(dev_priv);
 	WARN_ON(!llist_empty(&dev_priv->mm.free_list));
+	WARN_ON(dev_priv->mm.object_count);
 
 	mutex_lock(&dev_priv->drm.struct_mutex);
 	i915_gem_timeline_fini(&dev_priv->gt.global_timeline);
-- 
2.11.0



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