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

From: Andre Guibert de Bruet (andy_at_siliconlandmark.com)
Date: 06/09/05

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    Date: Thu, 9 Jun 2005 13:19:26 -0400 (EDT)
To: Vladimir Grebenschikov <vova@fbsd.ru>

    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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