Re: [PATCH 1/2] dma-fence: Flag when a fence-array is using signal-on-any

[Christian König]

Am 17.02.2017 um 19:35 schrieb Chris Wilson:

Indicate that the fence array will be signaled on the first completion
(signal-on-any mode) as opposed to waiting for all to be signaled.

Signed-off-by: Chris Wilson 
Cc: Sumit Semwal 
Cc: Gustavo Padovan 
Cc: Daniel Vetter 
Cc: "Christian König" 


Reviewed-by: Christian König 


---
  drivers/dma-buf/dma-fence-array.c | 3 +++
  include/linux/dma-fence-array.h   | 4 
  2 files changed, 7 insertions(+)

diff --git a/drivers/dma-buf/dma-fence-array.c 
b/drivers/dma-buf/dma-fence-array.c
index 67eb7c8fb88c..8c48402a2daa 100644
--- a/drivers/dma-buf/dma-fence-array.c
+++ b/drivers/dma-buf/dma-fence-array.c
@@ -137,6 +137,9 @@ struct dma_fence_array *dma_fence_array_create(int 
num_fences,
dma_fence_init(>base, _fence_array_ops, >lock,
   context, seqno);
  
+	if (num_fences > 1 && signal_on_any)

+   __set_bit(DMA_FENCE_ARRAY_SIGNAL_ANY, >base.flags);
+
array->num_fences = num_fences;
atomic_set(>num_pending, signal_on_any ? 1 : num_fences);
array->fences = fences;
diff --git a/include/linux/dma-fence-array.h b/include/linux/dma-fence-array.h
index 5900945f962d..4270d33d05b3 100644
--- a/include/linux/dma-fence-array.h
+++ b/include/linux/dma-fence-array.h
@@ -49,6 +49,10 @@ struct dma_fence_array {
struct dma_fence **fences;
  };
  
+enum {

+   DMA_FENCE_ARRAY_SIGNAL_ANY = DMA_FENCE_FLAG_USER_BITS,
+};
+
  extern const struct dma_fence_ops dma_fence_array_ops;
  
  /**



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[PATCH 1/2] dma-fence: Flag when a fence-array is using signal-on-any

[Chris Wilson]

Indicate that the fence array will be signaled on the first completion
(signal-on-any mode) as opposed to waiting for all to be signaled.

Signed-off-by: Chris Wilson 
Cc: Sumit Semwal 
Cc: Gustavo Padovan 
Cc: Daniel Vetter 
Cc: "Christian König" 
---
 drivers/dma-buf/dma-fence-array.c | 3 +++
 include/linux/dma-fence-array.h   | 4 
 2 files changed, 7 insertions(+)

diff --git a/drivers/dma-buf/dma-fence-array.c 
b/drivers/dma-buf/dma-fence-array.c
index 67eb7c8fb88c..8c48402a2daa 100644
--- a/drivers/dma-buf/dma-fence-array.c
+++ b/drivers/dma-buf/dma-fence-array.c
@@ -137,6 +137,9 @@ struct dma_fence_array *dma_fence_array_create(int 
num_fences,
dma_fence_init(>base, _fence_array_ops, >lock,
   context, seqno);
 
+   if (num_fences > 1 && signal_on_any)
+   __set_bit(DMA_FENCE_ARRAY_SIGNAL_ANY, >base.flags);
+
array->num_fences = num_fences;
atomic_set(>num_pending, signal_on_any ? 1 : num_fences);
array->fences = fences;
diff --git a/include/linux/dma-fence-array.h b/include/linux/dma-fence-array.h
index 5900945f962d..4270d33d05b3 100644
--- a/include/linux/dma-fence-array.h
+++ b/include/linux/dma-fence-array.h
@@ -49,6 +49,10 @@ struct dma_fence_array {
struct dma_fence **fences;
 };
 
+enum {
+   DMA_FENCE_ARRAY_SIGNAL_ANY = DMA_FENCE_FLAG_USER_BITS,
+};
+
 extern const struct dma_fence_ops dma_fence_array_ops;
 
 /**
-- 
2.11.0

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