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drm/i915: Drop assertion that active->fence is unchanged

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We cannot assert the fence is not yet changed as the next thread may
change it prior to acquiring our lock.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200225082233.274530-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2020-02-25 08:22:23 +00:00
parent 2c59fd06a0
commit 143d9c3e7b
1 changed files with 0 additions and 1 deletions
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drivers/gpu/drm/i915/i915_active.c
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@ -823,7 +823,6 @@ __i915_active_fence_set(struct i915_active_fence *active,
__list_del_entry(&active->cb.node);
spin_unlock(prev->lock); /* serialise with prev->cb_list */
}
GEM_BUG_ON(rcu_access_pointer(active->fence) != fence);
list_add_tail(&active->cb.node, &fence->cb_list);
spin_unlock_irqrestore(fence->lock, flags);