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drm/i915: Set fence_work.ops before dma_fence_init
Since dma_fence_init may call ops (because of a meaningless
trace_dma_fence), we need to set the worker ops prior to that call.
Reported-by: Vince Weaver <vincent.weaver@maine.edu>
Fixes: 8e458fe2ee
("drm/i915: Generalise the clflush dma-worker")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191212154224.1631531-1-chris@chris-wilson.co.uk
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1 changed files with 1 additions and 2 deletions
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@ -78,12 +78,11 @@ static const struct dma_fence_ops fence_ops = {
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void dma_fence_work_init(struct dma_fence_work *f,
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const struct dma_fence_work_ops *ops)
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{
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f->ops = ops;
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spin_lock_init(&f->lock);
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dma_fence_init(&f->dma, &fence_ops, &f->lock, 0, 0);
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i915_sw_fence_init(&f->chain, fence_notify);
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INIT_WORK(&f->work, fence_work);
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f->ops = ops;
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}
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int dma_fence_work_chain(struct dma_fence_work *f, struct dma_fence *signal)
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