commit b20abe7a904835e39eb8aa5a12e9bbccaabb2265
author Rohit Kulkarni <rkulkarn@codeaurora.org> Tue Mar 13 16:55:10 2018 -0700
committer Rohit Kulkarni <rkulkarn@codeaurora.org> Thu Mar 22 23:41:39 2018 -0700
tree b6ca393970858481ffaf4b1544e106997cc67ae3
parent fcad05e8dc1383942db081a6db9948341caad693

gralloc: Cache maintenance handling updates

- Make buffer allocations for ubwc formats as uncached since
  access from cpu is not expected.
- Bracket each cache maintenance operation with dma buf sync
  start and sync end.

Change-Id: Ic2676ad9fff9a7ca6111f14e24aaec4c3d7f6ef2
CRs-Fixed: 2210256

gralloc/gr_ion_alloc.h

diff --git a/gralloc/gr_ion_alloc.h b/gralloc/gr_ion_alloc.h
index 763ac54..8cb1568 100644
--- a/gralloc/gr_ion_alloc.h
+++ b/gralloc/gr_ion_alloc.h
@@ -40,6 +40,7 @@
   CACHE_CLEAN = 0x1,
   CACHE_INVALIDATE,
   CACHE_CLEAN_AND_INVALIDATE,
+  CACHE_READ_DONE
 };
 
 struct AllocData {