From 6ac8216b3d7760149eef67df8a1cf6d655d65779 Mon Sep 17 00:00:00 2001
From: Vinoth Jayaram <quic_c_vinoja@quicinc.com>
Date: Tue, 8 Mar 2022 15:22:33 +0530
Subject: [PATCH] Reset layer changes & layer request when layer set empty

When layer set become empty, cached layers_changes and
layer_request need to be cleared other wise it will return
wrong values during SET_DISPLAY_REQUEST

Change-Id: I01ea20fded240043fc71bfacbfed27a41b7726d3
---
 composer/hwc_display_builtin.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/composer/hwc_display_builtin.cpp b/composer/hwc_display_builtin.cpp
index 9f3130759..b5084f15a 100644
--- a/composer/hwc_display_builtin.cpp
+++ b/composer/hwc_display_builtin.cpp
@@ -291,6 +291,9 @@ HWC2::Error HWCDisplayBuiltIn::Validate(uint32_t *out_num_types, uint32_t *out_n
     // Avoid flush for Command mode panel.
     flush_ = !client_connected_;
     validated_ = true;
+    layer_changes_.clear();
+    layer_requests_.clear();
+    DLOGV_IF(kTagDisplay, "layer_set is empty");
     return status;
   }