[CALL FOR TESTERS] VESA High Resolution Console support from DragonFly

[Andre Guibert de Bruet]

On Thu, 9 Jun 2005, Vladimir Grebenschikov wrote:

> ? ??, 08/06/2005 ? 17:29 -0400, Andre Guibert de Bruet ?????:
>> On Wed, 8 Jun 2005, Vladimir Grebenschikov wrote:
>>> ? ??, 08/06/2005 ? 14:56 -0400, Andre Guibert de Bruet ?????:
>>>> On Wed, 8 Jun 2005, Vladimir Grebenschikov wrote:
>>>>> ? ??, 22/05/2005 ? 19:26 +0800, Xin LI ?????:
>>>>>>
>>>>>> I would like to solicit a test of the following patchset which is based
>>>>>> on DragonFly's changes, against -CURRENT, to bring high resolution console
>>>>>> support to FreeBSD.  The current patchset can be considered as "BETA" and
>>>>>> I would commit it if there is no complain about this patchset in the next
>>>>>> week.
>>>>> [ ... cut ... ]
>>>>>> Please let me know if anything strange happens;  While I have been running
>>>>>> with the patch for a while, I would still be happy if you will report that
>>>>>> it works :-)
>>>>>
>>>>> Tried fresh 6-CURRENT, all seems ok, but,
>>>>> switching console to pixel-mode 1400x1050 screen takes about 1-2 sec, I
>>>>> guess it is too much. (it happens in both cases
>>>>>
>>>>> Also, I had freezed box when switching from X to console some times.
>>>>
>>>> Let me guess... It's a laptop screen or an LCD panel?
>>>
>>> Yes, exactly, it is sony vzio z1.
>>>
>>> (II) RADEON(0): Panel ID string: Samsung LTN150P1-L02
>>> (II) RADEON(0): Panel Size from BIOS: 1400x1050
>>> (II) RADEON(0): BIOS provided dividers will be used.
>>
>> Most laptop LCDs and cheaper desktop panels take a while (The dreaded
>> second or two) to switch resolutions. Try the patch with an external crt
>> monitor plugged in and display mirroring enabled to see the difference for
>> yourself (Or simply try it on a desktop with a radeon card and a crt).
>
> I have tried to switch from X or from pixel-mode console to usual text
> mode console (80x25), and it does not pause in in this case. But it
> pauses when switched back. Is it problem of hardware or our pixel-mode
> console ?

With the "normal" console, the drawing of the characters is left to the 
display device. In raster mode, we have to do the drawing. I see a very 
tiny delay on a CRT with the VESA console. Your display hardware is 
probably resetting itself as it enters a VESA display mode.

Andy

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