From 23fa18eaa71266feff7ba8d83022d9e1cc83c65a Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:42:03 +0000
Subject: [PATCH] disable pwm7

---
 kernel/drivers/video/rockchip/mpp/mpp_iommu.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/kernel/drivers/video/rockchip/mpp/mpp_iommu.c b/kernel/drivers/video/rockchip/mpp/mpp_iommu.c
index 29685df..1abbfb7 100644
--- a/kernel/drivers/video/rockchip/mpp/mpp_iommu.c
+++ b/kernel/drivers/video/rockchip/mpp/mpp_iommu.c
@@ -455,11 +455,20 @@
 		return 0;
 	}
 
+	if (mpp->cur_task)
+		mpp_task_dump_mem_region(mpp, mpp->cur_task);
+
 	if (mpp->dev_ops && mpp->dev_ops->dump_dev)
 		mpp->dev_ops->dump_dev(mpp);
 	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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