linux-kernel - Re: [Stable-review] [PATCH 15/52] drm: remove address mask param for drm_pci

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Message-ID: <20100116001521.GA7866@suse.de>
Date:	Fri, 15 Jan 2010 16:15:25 -0800
From:	Greg KH <gregkh@...e.de>
To:	Ben Hutchings <ben@...adent.org.uk>, linux-kernel@...r.kernel.org,
	stable@...nel.org, stable-review@...nel.org,
	Dave Airlie <airlied@...hat.com>, akpm@...ux-foundation.org,
	torvalds@...ux-foundation.org,
	David Woodhouse <dwmw2@...radead.org>
Subject: Re: [Stable-review] [PATCH 15/52] drm: remove address mask param
 for drm_pci_alloc()

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@...el.com>
> > > > 
> > > > 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@...radead.org>
> > > 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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