From f0e1e93ef332be602275a6d54b2c645542d43e05 Mon Sep 17 00:00:00 2001
From: Long Ling <longling@google.com>
Date: Fri, 27 May 2022 10:27:39 -0700
Subject: libhwc2.1: reuse plane id only when assigned dpp index is the same

Bug: 233709545
Test: rotate 4k HDR video in YT
Change-Id: I584f7d25268c3e82e25023fe5335a3922bf03185
---
 libhwc2.1/libmaindisplay/ExynosPrimaryDisplayModule.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libhwc2.1/libmaindisplay/ExynosPrimaryDisplayModule.cpp b/libhwc2.1/libmaindisplay/ExynosPrimaryDisplayModule.cpp
index 3306357..03b4fe7 100644
--- a/libhwc2.1/libmaindisplay/ExynosPrimaryDisplayModule.cpp
+++ b/libhwc2.1/libmaindisplay/ExynosPrimaryDisplayModule.cpp
@@ -450,7 +450,7 @@ int32_t ExynosPrimaryDisplayModule::DisplaySceneInfo::setLayerDataMappingInfo(
     }
     // if assigned displaycolor dppIdx changes, do not reuse it (force plane color update).
     uint32_t oldPlaneId = prev_layerDataMappingInfo.count(layer) != 0 &&
-                    prev_layerDataMappingInfo[layer].dppIdx != index
+                    prev_layerDataMappingInfo[layer].dppIdx == index
             ? prev_layerDataMappingInfo[layer].planeId
             : UINT_MAX;
     layerDataMappingInfo.insert(std::make_pair(layer, LayerMappingInfo{ index, oldPlaneId }));
-- 
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