drm/i915: Use our singlethreaded wq for freeing objects
As freeing the objects require serialisation on struct_mutex, we should prefer to use our singlethreaded driver wq that is dedicated to work requiring struct_mutex (hence serialised).The benefit should be less clutter on the system wq, allowing it to make progress even when the driver/struct_mutex is heavily contended. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20180115122846.15193-1-chris@chris-wilson.co.uk Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
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drivers/gpu/drm/i915
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@ -4732,7 +4732,7 @@ static void __i915_gem_free_object_rcu(struct rcu_head *head)
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* detour through a worker.
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* detour through a worker.
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*/
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*/
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if (llist_add(&obj->freed, &i915->mm.free_list))
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if (llist_add(&obj->freed, &i915->mm.free_list))
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schedule_work(&i915->mm.free_work);
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queue_work(i915->wq, &i915->mm.free_work);
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}
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}
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void i915_gem_free_object(struct drm_gem_object *gem_obj)
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void i915_gem_free_object(struct drm_gem_object *gem_obj)
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