[SeaBIOS] [PATCH 0/2] Implement VBE function 15h

[Julian Pidancet]

On Fri, Mar 16, 2012 at 12:22 PM, Gerd Hoffmann <kraxel at redhat.com> wrote:
> On 03/16/12 13:10, Kevin O'Connor wrote:
>> On Fri, Mar 16, 2012 at 10:38:42AM +0100, Gerd Hoffmann wrote:
>>>   Hi,
>>>
>>>> Is it worth trying to support high resolutions in Xorg ? If yes, then
>>>> we need to expose a valid EDID block. But what capabilities should the
>>>> virtual monitor report ? (I mean max resolution, preferred resolution,
>>>> should they be static, provided by configuration options, or
>>>> dynamically chosen at run-time).
>>>
>>> At runtime, read from qemu firmware config interface?
>>
>> The bochsvga code seems to already get a maximum resolution and
>> maximum depth through the vbi interace.  See the "validate modes"
>> section of bochsvga.c:bochsvga_init().
>
> Yea, it checks whenever the modes fit into the amout of memory available.
>
> I was thinking more along the lines of having
> etc/vga-prefered-{xres,yres} fw_cfg files, then generate a EDID block
> with them so xorg can pick them up and use as default resolution?
>

The problem is that the bochs driver will become qemu specific if we do that.

-- 
Julian