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Date: Thu, 03 Jan 2013 08:55:26 +0100
From: Gerd Hoffmann <kraxel@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH] qxl: use correct rom size for revision < 4
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To: Alon Levy <alevy@redhat.com>
Cc: Uri Lublin <uril@redhat.com>, =?ISO-8859-1?Q?S=F8ren_Sandmann?= <soren.sandmann@gmail.com>, Yonit Halperin <yhalperi@redhat.com>, qemu-devel@nongnu.org, Arnon Gilboa <agilboa@redhat.com>

On 12/23/12 21:33, Alon Levy wrote:
> On Thu, Dec 13, 2012 at 03:43:46PM +0100, Gerd Hoffmann wrote:
>>   Hi,
>>
>>>> That is indeed a better solution, but it does change functionality. I
>>>> think it is correct but I'd like to get some other opinions - Uri,
>>>> Arnon, Yonit, Soren - any problems with dropping these?
>>>>
>>> Orientation is used in the Windows Display driver. It is used to set
>>> dmDisplayOrientation in DEVMODEW structure
>>> (http://msdn.microsoft.com/en-us/library/windows/hardware/ff552837(v=vs.85).aspx).
>>
>> What is supposed to happen in case the guest picks a mode with
>> orientation != 0?
>>
>>> So, I'm not sure we can just drop it. Moreover, we need at least 2 of
>>> the orientations, one for AxB resolution and the other for BxA.
>>
>> How do I switch a windows guest into 600x800?
> 
> AFAIR it is just another mode that appears in the mode list, i.e. when
> enumerating the modes via the windows API or via the GUI.

That doesn't answer the questions

How do I switch winxp (or any other guest) into 600x800, with
orientation == 1 (or 3)?  Display Properties offer 800x600 only.

What is supposed to happen with orientation != 0?  orientation isn't
used anywhere in qxl.  I'm pretty sure spice client doesn't know the
windows guest uses a orientation != 0 and thus will not display the
screen correctly.

cheers,
  Gerd