From: Daniel Vetter Date: Fri, 19 Feb 2010 10:51:57 +0000 (+0100) Subject: drm/i915: fixup active list locking in object_unbind X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4a87b8ca2185199c5d1b37b570efffd2e46fe813;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git 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 Signed-off-by: Eric Anholt --- diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 302e096c3ca0..e6b85cdbc60f 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -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);