From 244b2c5ca8b14627e4a17755e5922221e121c771 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 09 Oct 2024 06:15:07 +0000
Subject: [PATCH] change system file

---
 kernel/drivers/video/rockchip/mpp/mpp_iommu.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/kernel/drivers/video/rockchip/mpp/mpp_iommu.c b/kernel/drivers/video/rockchip/mpp/mpp_iommu.c
index 116ec66..1abbfb7 100644
--- a/kernel/drivers/video/rockchip/mpp/mpp_iommu.c
+++ b/kernel/drivers/video/rockchip/mpp/mpp_iommu.c
@@ -463,6 +463,12 @@
 	else
 		mpp_task_dump_hw_reg(mpp);
 
+	/*
+	 * Mask iommu irq, in order for iommu not repeatedly trigger pagefault.
+	 * Until the pagefault task finish by hw timeout.
+	 */
+	rockchip_iommu_mask_irq(mpp->dev);
+
 	return 0;
 }
 

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