[Nouveau] Acer Aspire V7-582PG (Haswell, GTX 750M) fails to power off GPU via Power Resources
mika.westerberg at linux.intel.com
Fri Oct 28 11:19:07 UTC 2016
On Fri, Oct 28, 2016 at 01:09:30PM +0200, Peter Wu wrote:
> On Fri, Oct 28, 2016 at 11:56:30AM +0300, Mika Westerberg wrote:
> > On Thu, Oct 27, 2016 at 06:06:48PM +0200, Peter Wu wrote:
> > > On Thu, Oct 27, 2016 at 12:55:08PM +0300, Mika Westerberg wrote:
> > > > On Thu, Oct 27, 2016 at 09:42:28AM +0000, Rick Kerkhof wrote:
> > > > > No, there are not. Here is the recursive directory listing:
> > > >
> > > > Are you able to try the following patch and send me dmesg (or attach it
> > > > to that bug)? It should show if the ACPI core even tries to add those
> > > > power resources.
> > >
> > > So Rick has tested this patch now on top of 4.8.4 (mainline fails to
> > > boot due to a kbuild issue which I reported elsewhere), but the output
> > > is empty. That seems to indicate that flags.power_resources is unset.
> > Is it completely empty or is it empty just for RP05? It should print out
> > all devices with power resources.
> \NVP2 and \NVP3 are the only power resources under RP05 and defined in
> SSDT1, there are no others.
We should probably add a debug print before checking
flags.power_resources just to be sure the patch is correctly applied.
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