Re: [PATCH] Add intel drm blacklist to intel_opregion_present detect

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On Tue, Aug 24, 2010 at 07:51:30AM -0700, Greg KH wrote:
> On Tue, Aug 24, 2010 at 03:22:19PM +0100, Matthew Garrett wrote:
> > Erm. Sorry about that - I just realised that there's actually a fairly 
> > significant problem with it :) Right now you'll perform the register 
> > call unconditionally on module load. You need to make sure that there's 
> > actually Poulsbo hardware in the system, either by registering as a 
> > proper PCI driver and calling acpi_video_register in your probe function 
> > (and unregister in your remove function) or walking the PCI device list 
> > looking for a psb device.
> 
> Ick, don't walk the pci device list, just register a "real" pci device
> and do it that way, it's much simpler and plays nicer with the driver
> model and the rest of the kernel.

My only concern with that (and it's not a strong one) is that it'll 
block the psb driver from binding. Of course, the psb driver should be 
doing the acpi handling itself anyway, so...

-- 
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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