[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 #72 from Alex Deucher <alexdeucher at gmail.com> ---
(In reply to Maxim Sheviakov from comment #71)
> Hmm, nice point. By the way, is the MCLK kinda divided by four? So, if
> Memory Clock is 5600MHz, I'll have to do 5600/4*10000 to get the correct
> value? It's like, 120000 value = 1.2GHz*4 = Original frequency = 4800MHz,
> right? If that's it, I'll fix my quirk (AGAIN, LOL) and try using 970MHz and
> 5600MHz written as needed, 'cause my GPU is MSI R7 370 Armor 2X, and looks
> like values in quirk are *kinda* low for it.

The mclk values are the actual mclk values.  GDDR5 is quad pumped so you get 4x
effective data rate per clock.  That might be what you are thinking of.

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