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Message-ID: <436D664E.9030109@gmail.com>
Date: Sun, 06 Nov 2005 10:11:26 +0800
From: "Antonino A. Daplas" <adaplas@gmail.com>
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To: Samuel Thibault <samuel.thibault@ens-lyon.org>
CC: linux-kernel@vger.kernel.org, akpm@osdl.org, torvalds@osdl.org,
       mlang@debian.org
Subject: Re: [PATCH] Set the vga cursor even when hidden
References: <20051105211949.GM7383@bouh.residence.ens-lyon.fr> <436D5047.4080006@gmail.com> <20051106004451.GF8183@bouh.residence.ens-lyon.fr>
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Samuel Thibault wrote:
> Hi,
> 
> Antonino A. Daplas, le Sun 06 Nov 2005 08:37:27 +0800, a ?crit :
>> Why not use this method (scanline_end < scanline_start) for VGA, and
>> the default method (moving the cursor out of the screen) for the rest?
> 
> Well, visually impaired people might want to use other cards as well.

See Linus's comments about that :-)

> 
>> Or why not just set bit 5 of the cursor start register (port 0x0a) to disable
>> the cursor, and clear to enable? I believe this will also work for the
>> other types.
> 
> If this works, it would be fine.

No, forget about that.  It sounds simple, but when the cursor is moved, the
cursor is unavoidably reenabled again (in vgacon_set_cursor_size). So this method
will require more work for what's it worth. Your patch is much simpler and uses
known working code. 

Tony


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