Merge drm/drm-fixes into drm-misc-fixes

Start this new release drm-misc-fixes branch

Signed-off-by: Maxime Ripard <maxime@cerno.tech>

4 files changed, 40 insertions, 1 deletions

diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c
index d64fc03929be..ce0f5eff575d 100644
--- a/drivers/dma-buf/dma-fence.c
+++ b/drivers/dma-buf/dma-fence.c
@@ -123,7 +123,9 @@ static const struct dma_fence_ops dma_fence_stub_ops = {
 /**
  * dma_fence_get_stub - return a signaled fence
  *
- * Return a stub fence which is already signaled.
+ * Return a stub fence which is already signaled. The fence's
+ * timestamp corresponds to the first time after boot this
+ * function is called.
  */
 struct dma_fence *dma_fence_get_stub(void)
 {
@@ -142,6 +144,29 @@ struct dma_fence *dma_fence_get_stub(void)
 EXPORT_SYMBOL(dma_fence_get_stub);
 
 /**
+ * dma_fence_allocate_private_stub - return a private, signaled fence
+ *
+ * Return a newly allocated and signaled stub fence.
+ */
+struct dma_fence *dma_fence_allocate_private_stub(void)
+{
+	struct dma_fence *fence;
+
+	fence = kzalloc(sizeof(*fence), GFP_KERNEL);
+	if (fence == NULL)
+		return ERR_PTR(-ENOMEM);
+
+	dma_fence_init(fence,
+		       &dma_fence_stub_ops,
+		       &dma_fence_stub_lock,
+		       0, 0);
+	dma_fence_signal(fence);
+
+	return fence;
+}
+EXPORT_SYMBOL(dma_fence_allocate_private_stub);
+
+/**
  * dma_fence_context_alloc - allocate an array of fence contexts
  * @num: amount of contexts to allocate
  *
diff --git a/drivers/dma-buf/dma-heap.c b/drivers/dma-buf/dma-heap.c
index 6b5db954569f..56bf5ad01ad5 100644
--- a/drivers/dma-buf/dma-heap.c
+++ b/drivers/dma-buf/dma-heap.c
@@ -202,6 +202,18 @@ void *dma_heap_get_drvdata(struct dma_heap *heap)
 	return heap->priv;
 }
 
+/**
+ * dma_heap_get_name() - get heap name
+ * @heap: DMA-Heap to retrieve private data for
+ *
+ * Returns:
+ * The char* for the heap name.
+ */
+const char *dma_heap_get_name(struct dma_heap *heap)
+{
+	return heap->name;
+}
+
 struct dma_heap *dma_heap_add(const struct dma_heap_export_info *exp_info)
 {
 	struct dma_heap *heap, *h, *err_ret;
diff --git a/drivers/dma-buf/heaps/cma_heap.c b/drivers/dma-buf/heaps/cma_heap.c
index 5d64eccd21d6..0c05b79870f9 100644
--- a/drivers/dma-buf/heaps/cma_heap.c
+++ b/drivers/dma-buf/heaps/cma_heap.c
@@ -339,6 +339,7 @@ static struct dma_buf *cma_heap_allocate(struct dma_heap *heap,
 	buffer->pagecount = pagecount;
 
 	/* create the dmabuf */
+	exp_info.exp_name = dma_heap_get_name(heap);
 	exp_info.ops = &cma_heap_buf_ops;
 	exp_info.size = buffer->len;
 	exp_info.flags = fd_flags;
diff --git a/drivers/dma-buf/heaps/system_heap.c b/drivers/dma-buf/heaps/system_heap.c
index 29e49ac17251..23a7e74ef966 100644
--- a/drivers/dma-buf/heaps/system_heap.c
+++ b/drivers/dma-buf/heaps/system_heap.c
@@ -390,6 +390,7 @@ static struct dma_buf *system_heap_allocate(struct dma_heap *heap,
 	}
 
 	/* create the dmabuf */
+	exp_info.exp_name = dma_heap_get_name(heap);
 	exp_info.ops = &system_heap_buf_ops;
 	exp_info.size = buffer->len;
 	exp_info.flags = fd_flags;