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rockchip: rk3288: set isp/vop qos priority level

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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.yang@rock-chips.com>
This commit is contained in:
Nickey Yang Nickey Yang 2016-12-29 10:47:30 +08:00 committed by Simon Glass
parent 2577d3f924
commit 9b8320167e
2 changed files with 40 additions and 0 deletions
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20
arch/arm/include/asm/arch-rockchip/qos_rk3288.h Normal file
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@ -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

20
arch/arm/mach-rockchip/rk3288-board.c
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@ -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/gpio.h>
#include <dm/pinctrl.h>
@ -51,9 +52,28 @@ __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();
}