What | Removed | Added |
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See Also | https://bugzilla.kernel.org/show_bug.cgi?id=72701 |
Comment # 22
on bug 75127
from Alex Deucher
It seems runpm is not working properly on your system. Booting with radeon.runpm=0 reverts back to the 3.12 behavior (PX dGPUs are not dynamically powered down). Did manually powering on/off the dGPU via debugfs ever work on your system? See the "Forcing the power state of the devices" section of this page: http://nouveau.freedesktop.org/wiki/Optimus/ for how to test that.
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