From owner-cvs-all  Wed Sep 23 18:58:40 1998
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To: Gary Palmer <gpalmer@freebsd.org>
cc: cvs-committers@freebsd.org, cvs-all@freebsd.org,
        yokota@zodiac.mech.utsunomiya-u.ac.jp
Subject: Re: cvs commit: src/usr.sbin/vidcontrol vidcontrol.c 
In-reply-to: Your message of "Wed, 23 Sep 1998 18:36:37 MST."
             <199809240136.SAA28071@freefall.freebsd.org> 
References: <199809240136.SAA28071@freefall.freebsd.org> 
Date: Thu, 24 Sep 1998 10:59:23 +0900
From: Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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>gpalmer     1998/09/23 18:36:37 PDT
>
>  Modified files:
>    usr.sbin/vidcontrol  vidcontrol.c 
>  Log:
>  Don't assume that we have extended modes on all platforms.
>  
>  Revision  Changes    Path
>  1.23      +3 -1      src/usr.sbin/vidcontrol/vidcontrol.c

Well, my idea was to let vidcontrol to try to change to whatever video
mode the user is requesting.  If the mode is not supported by the
console driver or the video card, ioctl will fail anyway.  As video
mode switching does not require any error recovery, vidcontrol will
just print that it has failed to switch to the requested mode.  That's
simple, yet effective.

You see, even on the AT platform, not all modes are always supported.
(VESA defines extended modes, but it is up to the video card vender to
decide which mode to support.) 

Kazu