gpu: ion: Add support for secure buffers
Secure buffers provides a way to allow premium encrypted
multimedia content to be decrypted in a secured
memory area that does not allow for interception of the
decrypted content.
Add support for heap type that allow heap to be
used for content protection. Introduce new content
protection heap type and id's.
Change-Id: Idd56aa8805b5b74d1b9ab3fe8964aacc218668c1
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>
diff --git a/drivers/gpu/ion/ion_heap.c b/drivers/gpu/ion/ion_heap.c
index 900f445..bfa20d0 100644
--- a/drivers/gpu/ion/ion_heap.c
+++ b/drivers/gpu/ion/ion_heap.c
@@ -2,6 +2,7 @@
* drivers/gpu/ion/ion_heap.c
*
* Copyright (C) 2011 Google, Inc.
+ * Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
@@ -35,6 +36,9 @@
case ION_HEAP_TYPE_IOMMU:
heap = ion_iommu_heap_create(heap_data);
break;
+ case ION_HEAP_TYPE_CP:
+ heap = ion_cp_heap_create(heap_data);
+ break;
default:
pr_err("%s: Invalid heap type %d\n", __func__,
heap_data->type);
@@ -68,6 +72,9 @@
case ION_HEAP_TYPE_CARVEOUT:
ion_carveout_heap_destroy(heap);
break;
+ case ION_HEAP_TYPE_CP:
+ ion_cp_heap_destroy(heap);
+ break;
default:
pr_err("%s: Invalid heap type %d\n", __func__,
heap->type);