Re: [Stable-review] [PATCH 15/52] drm: remove address mask paramfor drm_pci_alloc()

From: Greg KH
Date: Fri Jan 15 2010 - 19:31:44 EST


On Fri, Jan 15, 2010 at 08:56:06AM +0800, Zhenyu Wang wrote:
> On 2010.01.14 15:45:16 -0800, Greg KH wrote:
> > On Thu, Jan 14, 2010 at 11:38:48PM +0000, Ben Hutchings wrote:
> > > On Thu, 2010-01-14 at 14:26 -0800, Greg Kroah-Hartman wrote:
> > > > From: Zhenyu Wang <zhenyu.z.wang@xxxxxxxxx>
> > > >
> > > > commit e6be8d9d17bd44061116f601fe2609b3ace7aa69 upstream.
> > > >
> > > > drm_pci_alloc() has input of address mask for setting pci dma
> > > > mask on the device, which should be properly setup by drm driver.
> > > > And leave it as a param for drm_pci_alloc() would cause confusion
> > > > or mistake would corrupt the correct dma mask setting, as seen on
> > > > intel hw which set wrong dma mask for hw status page. So remove
> > > > it from drm_pci_alloc() function.
> > >
> > > Based on comments at <http://bugs.freedesktop.org/show_bug.cgi?id=25510>
> > > I think we also need this fix:
> > >
> > > commit fc61901373987ad61851ed001fe971f3ee8d96a3
> > > Author: David Woodhouse <dwmw2@xxxxxxxxxxxxx>
> > > Date: Wed Dec 2 11:00:05 2009 +0000
> > >
> > > agp/intel-agp: Clear entire GTT on startup
> > >
> > > Ben.
> >
> > Ok, I can add that as well, if the Intel / DRM people do not object.
> >
> > Anyone?
> >
>
> yeah, please add that one too, it's an important fix.

Ok, I've queued it up now.

thanks,

greg k-h
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