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xen-devel
Re: [Xen-devel] [PATCH 1/3] xen-fbfront: Read width/height from backend
On 01/07/2011 03:47 PM, Ian Campbell wrote:
> On Fri, 2011-01-07 at 16:12 +0000, dgdegra@xxxxxxxxxxxxx wrote:
>> From: Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
>>
>> This allows the backend driver to specify the size of the framebuffer
>> instead of requiring it to be on the kernel command line.
>
> Do you plan to plumb this up through the toolstack so it can be defined
> guest configuration file?
>
Possibly, although it may end up being redundant with the kernel parameter
in the domU command line. My current use for this is to communicate a target
resolution for guests from my fixed-size display server (derived from the
monitor by the display server); this doesn't really translate for VNC,
although it would for fullscreen SDL.
> I wonder if it might be useful to allow the backend to specify a maximum
> size but to allow the frontend to pick a resolution within that
> constraint and communicate the choice to the backend.
>
> Ian.
>
I'm not sure I see a use for the frontend to choose a smaller resolution
than the backend suggests in some automatic way; it's certainly possible by
specifying whatever you want on the command line of the domU kernel.
--
Daniel De Graaf
National Security Agency
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