I did the same thing...
Sent from my GT-I9505G using xda app-developers app
Another one here.
As i keep an eye on samsung sources i dont see 4.3 kernel only MFD atm so i will whait for samsung to release his 4.3 sources first. :)
Cool, i use your kernel until i flash the 4.3 GE Rom and it was an amazing job.
I'll be ...
With the suggested rom i have the same problems.
Using this one: http://forum.xda-developers.com/showthread.php?t=2369130 (DEBLOATED - International Version) screen mirror works fine.
Stock rom, and Domination...
Janjan rom has changed a lot since my post. He removed the necessary Samsung files that make Screen Mirroring work. You have to find a pure Google ROM with no changes. Its a bit hard to find though because most of the ROMs available remove stuff. ...