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board-8064 msm: Overlap secure and non secure video firmware heaps.

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Moves fixed area start address down, so that non secure
video firmware heap and secure video firmware area overlap.
Both use the region in a mutually exclusive manner.
ALso introduce a hole, that can be used by MM heap
lock down for content protection.

Change-Id: Ic240377da25e00423742ccb73dbb60a1ff037e37
Signed-off-by: Deepak Kotur <dkotur@codeaurora.org>
[sboyd: drop board file changes]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit is contained in:
Hanumant Singh 2012-05-15 18:14:04 -07:00 committed by Stephen Boyd
parent 1beef4be65
commit 399a80f5c8
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/ion/msm/msm_ion.c
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@ -138,9 +138,11 @@ static void allocate_co_memory(struct ion_platform_heap *heap,
}
cp_data->virt_addr = fmem_info->virt;
cp_data->secure_base = heap->base;
cp_data->secure_size =
if (!cp_data->secure_base) {
cp_data->secure_base = heap->base;
cp_data->secure_size =
heap->size + shared_heap->size;
}
} else if (!heap->base) {
ion_set_base_address(heap, shared_heap,
co_heap_data, cp_data);