[Question] vesa driver with RandR 1.2
Kan-I Jyo
cecilhsujp at gmail.com
Sat Apr 11 00:22:29 PDT 2009
2009/4/10 Alex Deucher <alexdeucher at gmail.com>:
> On 4/10/09, Kan-I Jyo <cecilhsujp at gmail.com> wrote:
>> Dear list,
>>
>> I am currently using xserver-xorg-video-vesa 1.3.0 along with
>> xrandr 1.2 on one of my laptop.
>>
>> It is to my curiosity that is there any support on RandR in vesa
>> driver since it seems to fail detecting an external monitor.
>>
>> I have taken a look on the git tree of vesa driver and it seems
>> that support for RandR 1.2 is on the TODO list.
>>
>> http://cgit.freedesktop.org/xorg/driver/xf86-video-vesa/tree/src/vesa.c
>>
>> <vesa.c>
>> ... snip ...
>> /*
>> * TODO:
>> * - PanelID might give us useful size hints.
>> * - Port to RANDR 1.2 setup to make mode selection slightly better
>> * - Port to RANDR 1.2 to drop the old-school DGA junk
>> * - VBE/SCI for secondary DDC method?
>> */
>> ... snip ...
>>
>>
>> Is there any means to use the external monitor with vesa driver?
>
> If you boot with your laptop lid closed, you can probably get the
> external display to work with vesa. Multi-head is not really possible
> with vesa. If you want multi-head or the ability to switch outputs,
> use a native driver for your hardware.
>
> Alex
>
Dear Alex,
Thank you for your prompt reply.
It is to my surprise that the vesa driver does not support multi-head
display currently ( I assumed that it does). Is this going to be
implemented or using a native driver is the only means?
--
Sincerely,
Jyo
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