---rk3399 平台出现不出桌面问题解决

有开机动画，

有如下错误：

[drm:vop_afbdc_atomic_check] *ERROR* not support afbdc

关掉afbdc功能，就好了！ 
hardware/rockchip/libgralloc： 
Android.mk:  

diff --git a/Android.mk b/Android.mk
index 2ea9765..937dfe6 100644
--- a/Android.mk
+++ b/Android.mk
@@ -161,7 +161,7 @@ endif

ifeq ($(strip $(TARGET_BOARD_PLATFORM_GPU)), mali-t860)
MALI_AFBC_GRALLOC := 1
-USE_AFBC_LAYER = 1
+USE_AFBC_LAYER = 0
LOCAL_CFLAGS += -DMALI_PRODUCT_ID_T86X=1
endif