[Bug 76490] Hang during boot when DPM is on (R9 270X)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76490

--- Comment #25 from dex+fdobugzilla at dragonslave.de ---
Created attachment 112040
  --> https://bugs.freedesktop.org/attachment.cgi?id=112040&action=edit
Patch for force lower mclk

I did some clock bisecting and came to the conclusion that (at least on my
card) a memclock of 1200 Mhz is the highes stable.

With the attached patch DPM is stable for me.

Could this have something todo with the card having 4Gb of VRAM?

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