rockchip: rk3288: set isp/vop qos priority level
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>
diff --git a/arch/arm/mach-rockchip/rk3288-board.c b/arch/arm/mach-rockchip/rk3288-board.c
index bca6075..8bf45f7 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/gpio.h>
#include <dm/pinctrl.h>
@@ -51,9 +52,28 @@
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();
}