From: "H. Peter Anvin" <hpa@zytor.com>
To: Sebastian Kemper <sebastian_ml@gmx.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.20-rc7 mtrr handling
Date: Wed, 31 Jan 2007 22:49:43 -0800 [thread overview]
Message-ID: <45C18D87.6000905@zytor.com> (raw)
In-Reply-To: <200702010738.39497.sebastian_ml@gmx.net>
Sebastian Kemper wrote:
> On Thursday 01 February 2007 07:13, you wrote:
>> Sebastian Kemper wrote:
>>> But now /proc/mtrr shows 256MB of video ram, same as lspci, whereas
>>> the real amount of video ram (as properly detected by X) is only
>>> 128MB.
>> The size of the aperture doesn't have to match the actual amount of
>> memory. For many cards it doesn't.
>>
>> -hpa
>
> Hello Peter,
>
> sorry, I don't understand. Are you talking about the AGP Aperture size
> that I can set in my BIOS or about the actual video ram on the graphics
> card. Because that's the one that the mtrr sets to its double size.
Neither. I'm talking about the window in the address space, as shown in
/proc/pci.
-hpa
prev parent reply other threads:[~2007-02-01 6:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-31 19:46 2.6.20-rc7 mtrr handling Sebastian Kemper
2007-02-01 6:13 ` H. Peter Anvin
2007-02-01 6:38 ` Sebastian Kemper
2007-02-01 6:49 ` H. Peter Anvin [this message]
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