commit faae042b76787a3c956f5757b8b6032322f4536c
author Sushil Chauhan <sushilchauhan@codeaurora.org> Tue Oct 23 23:48:04 2012 -0700
committer Sushil Chauhan <sushilchauhan@codeaurora.org> Wed Dec 26 12:03:55 2012 -0800
tree 3607b05b6378992a66ac49e8af1fabab09db40ad
parent 28b1743a9d4b899d27eaf639b8e8ad5cb819de06

liboverlay: Enable secure content flag in Mdss Rotator.

- Secured contents shared with hardware should be uncached.
- Secure heap needs to be contiguously allocated & aligned to 1MB,
  which is not supported by IOMMU heap.

Change-Id: I6c7c00d5363319f9a6db6e52c1e78e1b16ecd9aa

liboverlay/overlayMdssRot.cpp

diff --git a/liboverlay/overlayMdssRot.cpp b/liboverlay/overlayMdssRot.cpp
index 60d63a2..f1024b4 100644
--- a/liboverlay/overlayMdssRot.cpp
+++ b/liboverlay/overlayMdssRot.cpp
@@ -93,7 +93,10 @@
 }
 
 void MdssRot::setFlags(const utils::eMdpFlags& flags) {
-    // TODO
+    mRotInfo.flags &= ~utils::OV_MDP_SECURE_OVERLAY_SESSION;
+    if (flags & utils::OV_MDP_SECURE_OVERLAY_SESSION) {
+        mRotInfo.flags |= utils::OV_MDP_SECURE_OVERLAY_SESSION;
+    }
 }
 
 void MdssRot::setTransform(const utils::eTransform& rot, const bool& rotUsed)
@@ -167,8 +170,9 @@
 {
     OvMem mem;
     OVASSERT(MAP_FAILED == mem.addr(), "MAP failed in open_i");
+    bool isSecure = mRotInfo.flags & utils::OV_MDP_SECURE_OVERLAY_SESSION;
 
-    if(!mem.open(numbufs, bufsz, false)){ // TODO: secure for badger
+    if(!mem.open(numbufs, bufsz, isSecure)){
         ALOGE("%s: Failed to open", __func__);
         mem.close();
         return false;

liboverlay/overlayMem.h

diff --git a/liboverlay/overlayMem.h b/liboverlay/overlayMem.h
index 60ed8fe..e81c2dc 100644
--- a/liboverlay/overlayMem.h
+++ b/liboverlay/overlayMem.h
@@ -119,8 +119,9 @@
     alloc_data data;
     int allocFlags = GRALLOC_USAGE_PRIVATE_IOMMU_HEAP;
     if(isSecure) {
-        allocFlags |= GRALLOC_USAGE_PRIVATE_MM_HEAP;
+        allocFlags = GRALLOC_USAGE_PRIVATE_MM_HEAP;
         allocFlags |= GRALLOC_USAGE_PRIVATE_CP_BUFFER;
+        allocFlags |= GRALLOC_USAGE_PRIVATE_UNCACHED;
     }
 
     int err = 0;