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gralloc: Do not set ION_SECURE for non-contiguous heaps

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The GRALLOC_USAGE_PROTECTED flag is being used for non TZ DRM
if non contiguous heaps such as IOMMU are used. Hence do not
set the ION_SECURE flag for such heaps as they cannot be secured
through trustzone.

Change-Id: I48e9460ef66abb827c9df1b3c55037e8e4214f81
This commit is contained in:
Naseer Ahmed
2013-02-07 13:55:43 -05:00
parent 74c8d7c5f9
commit 4b9784ea29
1 changed files with 4 additions and 2 deletions
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6
libgralloc/alloc_controller.cpp
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@@ -114,8 +114,10 @@ int IonController::allocate(alloc_data& data, int usage)
noncontig = true;
}
if(usage & GRALLOC_USAGE_PRIVATE_IOMMU_HEAP)
if(usage & GRALLOC_USAGE_PRIVATE_IOMMU_HEAP) {
ionFlags |= ION_HEAP(ION_IOMMU_HEAP_ID);
noncontig = true;
}
if(usage & GRALLOC_USAGE_PRIVATE_MM_HEAP)
ionFlags |= ION_HEAP(ION_CP_MM_HEAP_ID);
@@ -123,7 +125,7 @@ int IonController::allocate(alloc_data& data, int usage)
if(usage & GRALLOC_USAGE_PRIVATE_CAMERA_HEAP)
ionFlags |= ION_HEAP(ION_CAMERA_HEAP_ID);
if(usage & GRALLOC_USAGE_PROTECTED)
if(usage & GRALLOC_USAGE_PROTECTED && !noncontig)
ionFlags |= ION_SECURE;
// if no flags are set, default to