diff --git a/drivers/video/rockchip/rk_edp.c b/drivers/video/rockchip/rk_edp.c index 6baee7b890..0ddf5e02d6 100644 --- a/drivers/video/rockchip/rk_edp.c +++ b/drivers/video/rockchip/rk_edp.c @@ -8,11 +8,13 @@ #include #include #include +#include #include #include #include #include #include +#include #include #include #include @@ -1053,6 +1055,7 @@ static int rk_edp_probe(struct udevice *dev) struct rk_edp_priv *priv = dev_get_priv(dev); struct rk3288_edp *regs = priv->regs; struct rockchip_dp_data *edp_data = (struct rockchip_dp_data *)dev_get_driver_data(dev); + struct reset_ctl dp_rst; struct clk clk; int ret; @@ -1065,6 +1068,25 @@ static int rk_edp_probe(struct udevice *dev) return ret; } + ret = reset_get_by_name(dev, "dp", &dp_rst); + if (ret) { + dev_err(dev, "failed to get dp reset (ret=%d)\n", ret); + return ret; + } + + ret = reset_assert(&dp_rst); + if (ret) { + dev_err(dev, "failed to assert dp reset (ret=%d)\n", ret); + return ret; + } + udelay(20); + + ret = reset_deassert(&dp_rst); + if (ret) { + dev_err(dev, "failed to deassert dp reset (ret=%d)\n", ret); + return ret; + } + int vop_id = uc_plat->source_id; debug("%s, uc_plat=%p, vop_id=%u\n", __func__, uc_plat, vop_id);