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gralloc: Use PROTECTED flag for L1 allocations

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This is in keeping with the gralloc spec.

Change-Id: Id796a55e2ea51d3abdf9274140dc0404a42e1cab
CRs-fixed: 999994
This commit is contained in:
Naseer Ahmed
2016-04-11 17:20:02 -04:00
committed by Gerrit - the friendly Code Review server
parent abecb17c14
commit 934a4c33e3
1 changed files with 9 additions and 16 deletions
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7
libgralloc/alloc_controller.cpp
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@@ -446,7 +446,6 @@ int IonController::allocate(alloc_data& data, int usage)
data.allocType = 0;
if(usage & GRALLOC_USAGE_PROTECTED) {
if (usage & GRALLOC_USAGE_PRIVATE_MM_HEAP) {
if (usage & GRALLOC_USAGE_PRIVATE_SECURE_DISPLAY) {
ionHeapId = ION_HEAP(SD_HEAP_ID);
/*
@@ -458,12 +457,6 @@ int IonController::allocate(alloc_data& data, int usage)
ionHeapId = ION_HEAP(CP_HEAP_ID);
ionFlags |= ION_CP_FLAGS;
}
} else {
// for targets/OEMs which do not need HW level protection
// do not set ion secure flag & MM heap. Fallback to system heap.
ionHeapId |= ION_HEAP(ION_SYSTEM_HEAP_ID);
data.allocType |= private_handle_t::PRIV_FLAGS_PROTECTED_BUFFER;
}
} else if(usage & GRALLOC_USAGE_PRIVATE_MM_HEAP) {
//MM Heap is exclusively a secure heap.
//If it is used for non secure cases, fallback to IOMMU heap