Hi Andy, On 10.03.2020 02:10, Andy Yan wrote: > [...] > ret = analogix_dp_dt_parse_pdata(dp); > if (ret) > return ERR_PTR(ret); > > > I think this is the problem I tested. Now the pdata were parse in > probe, but the plata_data->dev_type was populated in > rockchip_dp_bind/exynos_dp_bind after probe.So we can't parse the > right configuration here. Indeed, plat_data wasn't properly initialized. Thanks for finding it out! I will send v2 in a few minutes. > [...] Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland