ARM: rockchip: rk3288: power down GPU domain by default

vdd_gpu may power off when boot, but pmu do not know.
So make pmu power off GPU power domain by default.

diff --git a/arch/arm/mach-rockchip/rk3288.c b/arch/arm/mach-rockchip/rk3288.c
index 8232c3ce494c8f63ec2b0985faa198fd2922f873..5d26864e2885cc919daf48623c45ca7fa2745290 100644 (file)
--- a/arch/arm/mach-rockchip/rk3288.c
+++ b/arch/arm/mach-rockchip/rk3288.c
@@ -157,6 +157,10 @@ static void __init rk3288_dt_map_io(void)
        writel_relaxed(24, RK_PMU_VIRT + RK3288_PMU_GPU_PWRDWN_CNT);
        writel_relaxed(24, RK_PMU_VIRT + RK3288_PMU_GPU_PWRUP_CNT);
 
+       /* power down GPU domain by default */
+       v = readl_relaxed(RK_PMU_VIRT + RK3288_PMU_PWRDN_CON);
+       writel_relaxed(v | BIT(9), RK_PMU_VIRT + RK3288_PMU_PWRDN_CON);
+
        rk3288_boot_mode_init();
 }