Re: Acer Aspire V7-582PG (Haswell, GTX 750M) fails to power off GPU via Power Resources

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On Fri, Oct 28, 2016 at 02:30:41PM +0200, Peter Wu wrote:
> It was correctly applied. I did some testing with QEMU, it seems that
> the \_OSI check is problematic. Removing it makes things work again.

I hope Bob and Lv can answer why _OSI fails.

In the meantime I think we should check flags.power_resources in nouveau
driver (in addition to _PR3) so that it falls back to _DSM if there are
no power resources (or if we failed to evaluate them for some reason).
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