Re: [BETA PATCH] VESA mode support for syscons
Hi.
On Sun, Aug 22, 2004 at 12:38:27AM +0200, Sascha Wildner wrote:
> here is a patch that makes syscons support 16/32 bit video modes with
> direct memory model:
>
> http://www.yoyodyne.de/tmp/syscons.patch
>
> After patch application and kernel recompilation it should be possible
> to select these modes with vidcontrol, e.g. for a 1024x768 console you
> have to type:
>
> # vidcontrol MODE_280
>
> You can obtain a list of valid mode numbers with 'vidcontrol -i mode'.
> Generally, this patch adds support for all modes with numbers >=272 and
> 16/32 bits depth.
Cool.
> Here are some remarks:
>
> 1) On my machine here at home, when a screen saver exits into one of
> those new modes the colors are either way too dark in the 16 bit modes
> or nothing can be seen at all in 32 bit modes (setting the video mode
> again helps). On a friend's machine it works the way it should! This is
> strange and it would be nice if I could get feedback from you on how the
> screen saver is behaving on your system.
As far as I tested, this didn't reproduce on my Dynabook SS3500. Most
screen savers restored the mode correctly.
fade_saver didn't fade in 16/32 bits depth. daemon_saver and star_saver
didn't work. When green_saver is activated, the screen went blank and
never responded to keystroke until I rebooted. Other screen savers worked
correctly.
> 3) If moused is active you'll get minor drawing errors when selecting
> text with the mouse. But they vanish after you move the mouse around a bit.
It just works the same way as in 80x25 mode here.
> 6) I haven't tested the whole stuff with X (which I don't have
> installed), e.g. if it is possible to switch to X and back again.
As far as I tested, this is working. I can switch between X and
console mode without any problem.
Thanks.
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