[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 #43 from Tobias Droste <tdroste at gmx.de> ---
I don't think the voltage is a problem as the voltage used by the linux driver
seems to be the same as by the windows driver.
For my card it's 1238mV for high(er) clocks in windows and linux. I even tried
to set 1238mV for all power profiles in the bios and it was still not working
as expected.

All these cards seem to use GDDR5 VRAM. Maybe the driver has to do something
different for this type of RAM?

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