From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86/Sandy Bridge: reserve pages when integrated graphics is present
Date: Thu, 15 Nov 2012 08:13:22 -0800 [thread overview]
Message-ID: <20121115081322.74004a52@jbarnes-desktop> (raw)
In-Reply-To: <20121115124711.GA31504@khazad-dum.debian.net>
On Thu, 15 Nov 2012 10:47:11 -0200
Henrique de Moraes Holschuh <hmh@hmh.eng.br> wrote:
> On Wed, 14 Nov 2012, Jesse Barnes wrote:
> > + unsigned long bad_ranges[] = {
> > + 0x20050000,
> > + 0x20110000,
> > + 0x20130000,
> > + 0x20138000,
> > + 0x40004000,
>
> Yikes. Can this be fixed through a microcode update? The kernel would
> still need the workaround anyway, but at least you would be able to be quite
> heavy-handed on it, and users could be warned of a better fix...
No, this affects the logic on the GPU side, so there's no microcode way
to fix it.
--
Jesse Barnes, Intel Open Source Technology Center
next prev parent reply other threads:[~2012-11-15 16:13 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-14 20:43 [PATCH] x86/Sandy Bridge: reserve pages when integrated graphics is present Jesse Barnes
2012-11-14 21:19 ` Alan Cox
2012-11-14 21:55 ` Jesse Barnes
2012-11-14 23:24 ` Alan Cox
2012-11-14 23:11 ` [Intel-gfx] " Jesse Barnes
2012-11-15 12:47 ` Henrique de Moraes Holschuh
2012-11-15 16:13 ` Jesse Barnes [this message]
2012-11-15 16:14 ` Jesse Barnes
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