Hi mark, On 07/26/2017 02:19 PM, Mark yao wrote: > It's a hardware bug, all window's overlay channel reset > value is same, hardware overlay would be die. > > so we must initial difference id for each overlay channel. > > The Channel register is supported on all vop will full design. > Following is the details for this register > VOP_WIN0_CTRL2 > bit[7:4] win_rid_win0_cbr > axi read id of win0 cbr channel > bit[3:0] win_rid_win0_yrgb > axi read id of win0 yrgb channel > > Signed-off-by: Mark Yao<mark.yao at rock-chips.com> Reviewed-by: Jeffy Chen <jeffy.chen at rock-chips.com>