On 05/25/2016 02:23 AM, Heiko Stuebner wrote: > Am Dienstag, 24. Mai 2016, 11:12:20 schrieb Doug Anderson: >> Hi, >> >> On Tue, May 24, 2016 at 3:17 AM, Heiko Stuebner <heiko at sntech.de> wrote: >>>> --- a/Documentation/devicetree/bindings/display/bridge/analogix_dp.txt >>>> +++ b/Documentation/devicetree/bindings/display/bridge/analogix_dp.txt >>>> >>>> @@ -5,6 +5,7 @@ Required properties for dp-controller: >>>> platform specific such as: >>>> * "samsung,exynos5-dp" >>>> * "rockchip,rk3288-dp" >>>> >>>> + * "rockchip,rk3399-edp" >>> the cleanlines-freak in my likes to know if there is a difference >>> between >>> the rk3399 being called -edp here and -dp on the rk3288 :-) >>> >>> [...] >> If I was a guessing man (which I'm not, but if I was), I'd guess that >> this is because on rk3288 there was only one DP port and it was an EDP >> port. ...but since there was only one people just referred to it as >> the "DP" port and that was codified in the bindings. On rk3399 there >> are two ports: one EDP and one DP. All of a sudden we need to >> differentiate. >> >> Any better suggestions for how to deal with that? > nope - everything as it should be in that regard then - the rk3288-dp is > permanent now anyway. > > But it looks like I'm sort of blind blind and only now have seen the > separate DP controller chapter in the TRM (probably because I somehow didn't > expect a second controller). RK3399 eDP controller have cut off the DP-Audio function and DP-HDCP function, so it can't be treated as DP interfaces any more, that's why I call it "eDP". > >