From 0c8adbf5f84654652e587433c6a62e16cfc6fc5a Mon Sep 17 00:00:00 2001
From: stonesxd <shixindong@huawei.com>
Date: Mon, 3 Jan 2022 13:43:59 +0800
Subject: [PATCH] drop master after gralloc init

Signed-off-by: stonesxd <shixindong@huawei.com>
---
 .../default_standard/src/display_gralloc/display_gralloc_gbm.c   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/display/hal/default_standard/src/display_gralloc/display_gralloc_gbm.c b/display/hal/default_standard/src/display_gralloc/display_gralloc_gbm.c
index 83764ca202..3d5f94daf1 100644
--- a/display/hal/default_standard/src/display_gralloc/display_gralloc_gbm.c
+++ b/display/hal/default_standard/src/display_gralloc/display_gralloc_gbm.c
@@ -196,6 +196,7 @@ static int32_t InitGbmDevice(const char *drmFile, GrallocManager *grallocManager
         if (WaylandDrmAuth(drmFd) != AUTH_SCUCCESS) {
             DISPLAY_LOGE("drm authentication failed, may have no permission to allocate memory");
         }
+        drmDropMaster(drmFd);
         struct gbm_device *gbmDevice = hdi_gbm_create_device(drmFd);
         grallocManager->drmFd = drmFd;
         if (gbmDevice == NULL) {
-- 
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