On Fri, Aug 26, 2016 at 01:00:54AM +0200, Peter Wu wrote: > Even if PR3 support is available on the bridge, it will not be used if > the PCI layer considers it unavailable (i.e. on all laptops from 2013 > and 2014). Ensure that this condition is checked to allow a fallback to > the Optimus DSM for device poweroff. > > Initially I wanted to call pci_d3cold_enable before checking bridge_d3 > (in case the user changed d3cold_allowed), but that is such an unlikely > case and likely fragile anyway. The current patch is suggested by Mika > in http://www.spinics.net/lists/linux-pci/msg52599.html > > Cc: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel