Sometimes when a monitor without EDID information is plugged, the DE2 won't be probed (because of lack of timing information), but the HDMI node is probed, thus a SimpleFB node with invalid information will be populated.

Also detect whether DE2 is probed when creating SimpleFB node.

Fixes: be5b96f0e411 ("sunxi: setup simplefb for Allwinner DE2") Signed-off-by: Icenowy Zheng icenowy@aosc.io --- drivers/video/sunxi/sunxi_de2.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/drivers/video/sunxi/sunxi_de2.c b/drivers/video/sunxi/sunxi_de2.c index 4ed035d556..8333ddc44c 100644 --- a/drivers/video/sunxi/sunxi_de2.c +++ b/drivers/video/sunxi/sunxi_de2.c @@ -347,6 +347,9 @@ int sunxi_simplefb_setup(void *blob) if (ret) { debug("DE2 not present\n"); return 0; + } else if (!device_active(de2)) { + debug("DE2 present but not probed\n"); + return 0; }

ret = uclass_find_device_by_name(UCLASS_DISPLAY,