[RFC PATCH 7/7] drm/pci: Defer initialization of secondary graphics devices until switcheroo is ready

Matthew Garrett mjg59 at srcf.ucam.org
Mon Aug 20 08:57:41 PDT 2012


On Mon, Aug 20, 2012 at 10:56:33AM -0500, Seth Forshee wrote:
> On Mon, Aug 20, 2012 at 04:36:40PM +0100, Matthew Garrett wrote:
> > Won't this break the multiple cards with independent outputs case?
> 
> Yes, if they don't have a switcheroo handler. I only have experience
> with one such machine, which had optimus graphics. My recollection is
> that it did have a switcheroo handler, which was only capable of
> controlling power to the discrete card.

So if I have a desktop machine and install two graphics cards?

-- 
Matthew Garrett | mjg59 at srcf.ucam.org


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