[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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