> on rk3399 platform, there is dfi conroller can monitor > ddr load, base on this result, we can do ddr freqency > scaling. > > Signed-off-by: Lin Huang <hl at rock-chips.com> > Acked-by: Chanwoo Choi <cw00.choi at samsung.com> LGTM Signed-off-by: MyungJoo Ham <myungjoo.ham at samsung.com>