modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/video/rockchip/mpp/mpp_vepu2.c
..
..
@@ -22,6 +22,7 @@
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 #include <linux/proc_fs.h>
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 #include <linux/nospec.h>
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 #include <soc/rockchip/pm_domains.h>
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+#include <soc/rockchip/rockchip_iommu.h>
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 #include "mpp_debug.h"
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 #include "mpp_common.h"
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@@ -882,6 +883,48 @@
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 	return 0;
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 }
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+static int vepu2_iommu_fault_handle(struct iommu_domain *iommu, struct device *iommu_dev,
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+				    unsigned long iova, int status, void *arg)
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+{
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+	struct mpp_dev *mpp = (struct mpp_dev *)arg;
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+	struct mpp_task *mpp_task;
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+	struct vepu_dev *enc = to_vepu_dev(mpp);
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+	struct vepu_ccu *ccu = enc->ccu;
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+
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+	dev_err(iommu_dev, "fault addr 0x%08lx status %x arg %p\n",
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+		iova, status, arg);
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+
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+	if (ccu) {
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+		int i;
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+		struct mpp_dev *core;
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+
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+		for (i = 0; i < ccu->core_num; i++) {
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+			core = ccu->cores[i];
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+			if (core->iommu_info && (&core->iommu_info->pdev->dev == iommu_dev)) {
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+				mpp = core;
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+				break;
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+			}
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+		}
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+	}
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+
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+	if (!mpp) {
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+		dev_err(iommu_dev, "pagefault without device to handle\n");
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+		return 0;
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+	}
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+	mpp_task = mpp->cur_task;
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+	if (mpp_task)
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+		mpp_task_dump_mem_region(mpp, mpp_task);
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+
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+	mpp_task_dump_hw_reg(mpp);
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+	/*
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+	 * Mask iommu irq, in order for iommu not repeatedly trigger pagefault.
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+	 * Until the pagefault task finish by hw timeout.
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+	 */
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+	rockchip_iommu_mask_irq(mpp->dev);
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+
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+	return 0;
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+}
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+
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 static struct mpp_hw_ops vepu_v2_hw_ops = {
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 	.init = vepu_init,
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 	.clk_on = vepu_clk_on,
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@@ -1100,6 +1143,7 @@
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 		return -EINVAL;
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 	}
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+	mpp->fault_handler = vepu2_iommu_fault_handle;
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 	mpp->session_max_buffers = VEPU2_SESSION_MAX_BUFFERS;
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 	vepu_procfs_init(mpp);
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 	vepu_procfs_ccu_init(mpp);
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@@ -1149,6 +1193,7 @@
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 		return -EINVAL;
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 	}
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+	mpp->fault_handler = vepu2_iommu_fault_handle;
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 	mpp->session_max_buffers = VEPU2_SESSION_MAX_BUFFERS;
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 	vepu_procfs_init(mpp);
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 	/* register current device to mpp service */