We need to clean up the global_timeline in i915_gem_load_cleanup.
v2: don't forget about the struct_mutex, and also WARN_ON if we have any
remaining timelines before purging the global_timeline.
Fixes: 73cb97010d4f ("drm/i915: Combine seqno + tracking into a global timeline struct")
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 3fb5e66e4d65..f507e14d6231 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4556,6 +4556,11 @@ void i915_gem_load_cleanup(struct drm_device *dev)
struct drm_i915_private *dev_priv = to_i915(dev);
WARN_ON(!llist_empty(&dev_priv->mm.free_list));
+ WARN_ON(!list_empty(&dev_priv->gt.timelines));
+
+ mutex_lock(&dev_priv->drm.struct_mutex);
+ i915_gem_timeline_fini(&dev_priv->gt.global_timeline);
+ mutex_unlock(&dev_priv->drm.struct_mutex);
kmem_cache_destroy(dev_priv->dependencies);
kmem_cache_destroy(dev_priv->requests);
--
2.7.4
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