[Question] vesa driver with RandR 1.2

[Kan-I Jyo]

2009/4/12 Jerome Glisse <glisse at freedesktop.org>:
> On Sat, 2009-04-11 at 16:22 +0900, Kan-I Jyo wrote:
>> 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?
>>
>
> VESA standard is more than 10 years old, back in the day dual monitor
> only existed on expensive workstation and they definitly weren't using
> vesa to drive things. So no it won't ever happen with vesa and you
> will need native driver, anyway native driver (at least for the most
> common gpu manufacturer) are way faster than vesa.
>
> Cheers,
> Jerome Glisse
>
>
Dear Jerome,

Thank you and Alex for your replies make things clear to me.
I will try using a native display driver instead.

-- 
Sincerely,

Jyo