From b8085836d4c0a0c06b0f95136380d7d787fcdfdb Mon Sep 17 00:00:00 2001
From: chongzhi <caihongzhi@h-partners.com>
Date: Wed, 30 Jul 2025 18:55:42 +0800
Subject: [PATCH] fix dma buffer flush cache problem

Signed-off-by: chongzhi <caihongzhi@h-partners.com>
---
 .../native/avmetadatahelper/avmetadatahelper_impl.cpp      | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/frameworks/native/avmetadatahelper/avmetadatahelper_impl.cpp b/frameworks/native/avmetadatahelper/avmetadatahelper_impl.cpp
index 1708425d4..3670883b5 100644
--- a/frameworks/native/avmetadatahelper/avmetadatahelper_impl.cpp
+++ b/frameworks/native/avmetadatahelper/avmetadatahelper_impl.cpp
@@ -914,6 +914,13 @@ std::shared_ptr<PixelMap> AVMetadataHelperImpl::FetchFrameBase(int64_t timeUs, i
     MEDIA_LOGI("final colorSpace %{public}u", pixelMap->InnerGetGrColorSpace().GetColorSpaceName());
 
     DumpPixelMap(isDump_, pixelMap, DUMP_FILE_NAME_AFTER_ROTATE);
+    if (pixelMap->GetAllocatorType() == AllocatorType::DMA_ALLOC) {
+        auto sbBuffer = reinterpret_cast<SurfaceBuffer*>(pixelMap->GetFd());
+        CHECK_AND_RETURN_RET(sbBuffer != nullptr &&
+            ((sbBuffer->GetUsage() & SurfaceBufferUsage::BUFFER_USAGE_MEM_MMZ_CACHE) != 0), pixelMap);
+        sbBuffer->FlushCache();
+        MEDIA_LOGI("final flush surfacebuffer cache");
+    }
     return pixelMap;
 }
 
-- 
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