From owner-svn-src-head@FreeBSD.ORG  Mon Jan 25 19:29:41 2010
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Date: Mon, 25 Jan 2010 19:29:41 +0000
From: Alexey Dokuchaev <danfe@FreeBSD.org>
To: Jung-uk Kim <jkim@FreeBSD.org>
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Subject: Re: svn commit: r198858 - in head/sys: dev/fb dev/syscons sys
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On Tue, Nov 03, 2009 at 08:22:09PM +0000, Jung-uk Kim wrote:
> Author: jkim
> Date: Tue Nov  3 20:22:09 2009
> New Revision: 198858
> URL: http://svn.freebsd.org/changeset/base/198858
> 
> Log:
>   Fix VESA color palette corruption:
>   
>   - VBE 3.0 says palette format resets to 6-bit mode when video mode changes.
>   We simply set 8-bit mode when we switch modes if the adapter supports it.
>   - VBE 3.0 also says if the mode is not VGA compatible, we must use VBE
>   function to save/restore palette.  Otherwise, VGA function may be used.
>   Thus, reinstate the save/load palette functions only for non-VGA compatible
>   modes regardless of its palette format.
>   - Let vesa(4) set VESA modes even if vga(4) claims to support it.
>   - Reset default palette if VESA pixel mode is set initially.
>   - Fix more style nits.
> 
> Modified:
>   head/sys/dev/fb/vesa.c
>   head/sys/dev/syscons/syscons.c
>   head/sys/sys/fbio.h

Apparently this revision broke logo screen saver w/ vesa.ko on i386 (it
works, but image is significantly darker).  Building vesa from earlier
sources gives previously seen (i.e. correct) result.  Could you take a
look please?  My gfx card is GF6600.  Thanks.

./danfe