gpu: ion: Add support for content protection 2.0 in CP heap
Add support to allow ion_cp_heap.c to secure according to new
requirements. This includes adding versioning to the secure
calls to allow other types of securing to take place.
Change-Id: I65e07ebaeefa1d0572b6531753a707a28284aa0d
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
diff --git a/drivers/gpu/ion/ion.c b/drivers/gpu/ion/ion.c
index 7e84aa7..5c7ab3a 100644
--- a/drivers/gpu/ion/ion.c
+++ b/drivers/gpu/ion/ion.c
@@ -1898,7 +1898,8 @@
mutex_unlock(&dev->lock);
}
-int ion_secure_heap(struct ion_device *dev, int heap_id)
+int ion_secure_heap(struct ion_device *dev, int heap_id, int version,
+ void *data)
{
struct rb_node *n;
int ret_val = 0;
@@ -1915,7 +1916,7 @@
if (ION_HEAP(heap->id) != heap_id)
continue;
if (heap->ops->secure_heap)
- ret_val = heap->ops->secure_heap(heap);
+ ret_val = heap->ops->secure_heap(heap, version, data);
else
ret_val = -EINVAL;
break;
@@ -1924,7 +1925,8 @@
return ret_val;
}
-int ion_unsecure_heap(struct ion_device *dev, int heap_id)
+int ion_unsecure_heap(struct ion_device *dev, int heap_id, int version,
+ void *data)
{
struct rb_node *n;
int ret_val = 0;
@@ -1941,7 +1943,7 @@
if (ION_HEAP(heap->id) != heap_id)
continue;
if (heap->ops->secure_heap)
- ret_val = heap->ops->unsecure_heap(heap);
+ ret_val = heap->ops->unsecure_heap(heap, version, data);
else
ret_val = -EINVAL;
break;