On Fri, Jul 08, 2016 at 01:54:48AM +0200, Peter Wu wrote: > Allow the nouveau driver to find out whether the bridge can put itself > in the D3cold state or whether it should use a specific DSM method to > achieve the same result. > > Cc: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> > Signed-off-by: Peter Wu <peter@xxxxxxxxxxxxx> > --- > Since it is not yet merged in Linus tree, maybe the patch in pci/pm can be > amended? This is the follow-up patch I had in mind for nouveau: > > --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c > +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c > @@ -223,6 +223,9 @@ static bool nouveau_pr3_present(struct pci_dev *pdev) > if (!parent_pdev) > return false; > > + if (!pci_bridge_d3_possible(parent_pdev)) > + return false; > + Why not check bridge_d3 directly? if (!parent_dev->bridge_d3) return false; -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
