diff --git a/drivers/video/tegra/host/nvdla/dla_os_interface.h b/drivers/video/tegra/host/nvdla/dla_os_interface.h
index 7903a016..5112f586 100644
--- a/drivers/video/tegra/host/nvdla/dla_os_interface.h
+++ b/drivers/video/tegra/host/nvdla/dla_os_interface.h
@@ -1,7 +1,7 @@
 /*
  * NVDLA OS Interface
  *
- * Copyright (c) 2016-2019, NVIDIA Corporation.  All rights reserved.
+ * Copyright (c) 2016-2021, NVIDIA Corporation.  All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -138,6 +138,11 @@
 #define DLA_MSG_UNUSED			6U
 #define DLA_MSG_DEBUG_PRINT		7U
 #define DLA_MSG_TASK_TIMEOUT		8U
+/**
+ * Magic number expected to be written to mailbox0 after
+ * interuppt handling is complete
+ */
+#define DLA_MSG_INTERRUPT_HANDLING_COMPLETE 0xD1A0CAFE
 
 /**
  * Task descriptor for DLA_CMD_SUBMIT_TASK
diff --git a/drivers/video/tegra/host/nvdla/nvdla.c b/drivers/video/tegra/host/nvdla/nvdla.c
index e53152b9..749f0f4c 100644
--- a/drivers/video/tegra/host/nvdla/nvdla.c
+++ b/drivers/video/tegra/host/nvdla/nvdla.c
@@ -1,7 +1,7 @@
 /*
  * NVDLA driver for T194
  *
- * Copyright (c) 2016-2020, NVIDIA Corporation.  All rights reserved.
+ * Copyright (c) 2016-2021, NVIDIA Corporation.  All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -113,6 +113,8 @@ clear_interrupt:
 	host1x_writel(pdev, flcn_thi_int_stat_r(), flcn_thi_int_stat_clr_f());
 	host1x_readl(pdev, flcn_thi_int_stat_r());
 	host1x_writel(pdev, flcn_irqsclr_r(), flcn_irqsclr_swgen1_set_f());
+	/* Notify FW that interuppt handling is complete */
+	host1x_writel(pdev, flcn_mailbox0_r(), DLA_MSG_INTERRUPT_HANDLING_COMPLETE);
 
 	return 0;
 }