Re: [PATCH v3 2/8] dma-buf/fence-chain: use trace_dma_fence_sync_to

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Am 16.02.24 um 16:09 schrieb Pierre-Eric Pelloux-Prayer:
To inform tools about the relationship between the fences.

Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@xxxxxxx>

Reviewed-by: Christian König <christian.koenig@xxxxxxx>

---
  drivers/dma-buf/dma-fence-chain.c | 4 ++++
  1 file changed, 4 insertions(+)

diff --git a/drivers/dma-buf/dma-fence-chain.c b/drivers/dma-buf/dma-fence-chain.c
index 9663ba1bb6ac..3435078c45b7 100644
--- a/drivers/dma-buf/dma-fence-chain.c
+++ b/drivers/dma-buf/dma-fence-chain.c
@@ -9,6 +9,8 @@
#include <linux/dma-fence-chain.h> +#include "trace/events/dma_fence.h"
+
  static bool dma_fence_chain_enable_signaling(struct dma_fence *fence);
/**
@@ -251,6 +253,8 @@ void dma_fence_chain_init(struct dma_fence_chain *chain,
  	chain->fence = fence;
  	chain->prev_seqno = 0;
+ trace_dma_fence_used_as_dependency(fence, __func__);
+
  	/* Try to reuse the context of the previous chain node. */
  	if (prev_chain && __dma_fence_is_later(seqno, prev->seqno, prev->ops)) {
  		context = prev->context;





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