Isp-camera preview image will be broken when dual screen display mode.
This patch set isp/vop qos level higher to solve this problem.
We have verified this patch on rk3288-miniarm board.
Signed-off-by: Nickey Yang <nickey.y...@rock-chips.com>
---
arch/arm/include/asm/arch-rockchip/qos_rk3288.h | 20 ++++++++++++++++++++
arch/arm/mach-rockchip/rk3288-board.c | 20 ++++++++++++++++++++
2 files changed, 40 insertions(+)
create mode 100644 arch/arm/include/asm/arch-rockchip/qos_rk3288.h
diff --git a/arch/arm/include/asm/arch-rockchip/qos_rk3288.h
b/arch/arm/include/asm/arch-rockchip/qos_rk3288.h
new file mode 100644
index 0000000..b3094fc
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/qos_rk3288.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2016 Rockchip Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#ifndef _ASM_ARCH_QOS_RK3288_H
+#define _ASM_ARCH_QOS_RK3288_H
+
+#define PRIORITY_HIGH_SHIFT 2
+#define PRIORITY_LOW_SHIFT 0
+
+#define CPU_AXI_QOS_PRIORITY 0x08
+
+#define VIO0_VOP_QOS 0xffad0400
+#define VIO1_VOP_QOS 0xffad0000
+#define VIO1_ISP_R_QOS 0xffad0900
+#define VIO1_ISP_W0_QOS 0xffad0100
+#define VIO1_ISP_W1_QOS 0xffad0180
+
+#endif
diff --git a/arch/arm/mach-rockchip/rk3288-board.c
b/arch/arm/mach-rockchip/rk3288-board.c
index 411bb29..018ac88 100644
--- a/arch/arm/mach-rockchip/rk3288-board.c
+++ b/arch/arm/mach-rockchip/rk3288-board.c
@@ -13,6 +13,7 @@
#include <asm/arch/clock.h>
#include <asm/arch/periph.h>
#include <asm/arch/pmu_rk3288.h>
+#include <asm/arch/qos_rk3288.h>
#include <asm/arch/boot_mode.h>
#include <asm/arch/timer.h>
#include <asm/gpio.h>
@@ -50,9 +51,28 @@ __weak int rk_board_late_init(void)
return 0;
}
+int rk3288_qos_init(void)
+{
+ int val = 2 << PRIORITY_HIGH_SHIFT | 2 << PRIORITY_LOW_SHIFT;
+ /* set vop qos to higher priority */
+ writel(val, CPU_AXI_QOS_PRIORITY + VIO0_VOP_QOS);
+ writel(val, CPU_AXI_QOS_PRIORITY + VIO1_VOP_QOS);
+
+ if (!fdt_node_check_compatible(gd->fdt_blob, 0,
+ "rockchip,rk3288-miniarm"))
+ {
+ /* set isp qos to higher priority */
+ writel(val, CPU_AXI_QOS_PRIORITY + VIO1_ISP_R_QOS);
+ writel(val, CPU_AXI_QOS_PRIORITY + VIO1_ISP_W0_QOS);
+ writel(val, CPU_AXI_QOS_PRIORITY + VIO1_ISP_W1_QOS);
+ }
+ return 0;
+}
+
int board_late_init(void)
{
setup_boot_mode();
+ rk3288_qos_init();
return rk_board_late_init();
}
--
1.9.1
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