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drm/i915: fixup active list locking in object_unbind 

All other accesses take this spinlock, so do this here, too.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
hifive-unleashed-5.1
Daniel Vetter 2010-02-19 11:51:57 +01:00 committed by Eric Anholt
parent 798750e30d
commit 4a87b8ca21
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/i915_gem.c
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@ -1987,6 +1987,7 @@ int
i915_gem_object_unbind(struct drm_gem_object *obj)
{
struct drm_device *dev = obj->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = obj->driver_private;
int ret = 0;
@ -2042,8 +2043,10 @@ i915_gem_object_unbind(struct drm_gem_object *obj)
}
/* Remove ourselves from the LRU list if present. */
spin_lock(&dev_priv->mm.active_list_lock);
if (!list_empty(&obj_priv->list))
list_del_init(&obj_priv->list);
spin_unlock(&dev_priv->mm.active_list_lock);
if (i915_gem_object_is_purgeable(obj_priv))
i915_gem_object_truncate(obj);