From edeb825839b1c1e315b0194fa91a6c8c47f3331f Mon Sep 17 00:00:00 2001
From: Pierre-Hugues Husson <phh@phh.me>
Date: Tue, 14 Aug 2018 21:01:35 +0200
Subject: [PATCH 1/4] AOSP 8.0/8.1 didn't use presentOrValidate, so it's
 broken. Don't use it

---
 services/surfaceflinger/DisplayHardware/HWComposer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index f5f7a821f..3c269ea1f 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -435,7 +435,7 @@ status_t HWComposer::prepare(DisplayDevice& displayDevice) {
     // The check below is incorrect.  We actually rely on HWC here to fall
     // back to validate when there is any client layer.
     displayData.validateWasSkipped = false;
-    if (!displayData.hasClientComposition) {
+    if ((false)) { //!displayData.hasClientComposition) {
         sp<android::Fence> outPresentFence;
         uint32_t state = UINT32_MAX;
         error = hwcDisplay->presentOrValidate(&numTypes, &numRequests, &outPresentFence , &state);
-- 
2.17.1