https://bugs.freedesktop.org/show_bug.cgi?id=73530
--- Comment #107 from Alex Deucher alexdeucher@gmail.com --- (In reply to Samir Ibradžić from comment #105)
Here is dmesg with 88, 93, 95 & 97 applied, it looks strange as non-zero DPCD values are reported from beginning and they never change.
I don't think you are experiencing the same issue. Let's continue debugging your issue on bug 90320.