From 2b26ab132d1b33b91c84c6d732456200e8c5ee77 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 24 Nov 2023 08:39:05 +0000
Subject: [PATCH] add support 4g -- >ppp

---
 kernel/drivers/media/platform/rockchip/isp/hw.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/kernel/drivers/media/platform/rockchip/isp/hw.c b/kernel/drivers/media/platform/rockchip/isp/hw.c
index 60aa895..5e17cee 100644
--- a/kernel/drivers/media/platform/rockchip/isp/hw.c
+++ b/kernel/drivers/media/platform/rockchip/isp/hw.c
@@ -551,6 +551,9 @@
 		rockchip_iommu_disable(dev->dev);
 		rockchip_iommu_enable(dev->dev);
 	}
+
+	if (dev->isp_ver == ISP_V21)
+		writel(readl(base + MI_RD_CTRL2) | BIT(30), base + MI_RD_CTRL2);
 }
 
 static void isp_config_clk(struct rkisp_hw_dev *dev, int on)

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