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From: Antonino Daplas <adaplas@pol.net>
To: Alex Bennee <kernel-hacker@bennee.com>
Cc: Linux Fbdev development list <linux-fbdev-devel@lists.sourceforge.net>
Subject: Re: Advice sought on approach.
Date: 05 Mar 2003 23:36:48 +0800	[thread overview]
Message-ID: <1046878559.1291.199.camel@localhost.localdomain> (raw)
In-Reply-To: <1046875200.10894.216.camel@cambridge.braddahead>

On Wed, 2003-03-05 at 22:40, Alex Bennee wrote:
> 
> I think I understand now. When the fb_set_disp function is called I fill
> in the display struction with the console display operations. I've got
> two choices now:
> 
> 1. Create a new fbcon_cfb16 file which notes the changed areas before
> calling the generic function.
> 
> 2. Patch the current fbcon_cfb16 (with a CONFIG option) to add the
> change tracking facility in a more generic way.
> 
> I guess the question is is it worth doing 2 as a potential upstream
> patch? Or is this sort of thing so specialised I should just keep it all
> packed in my own fb driver?
> 

Either do #1 (create your own set -- check the popular drivers which has
acceleration, they have their own set), or you can generically implement
#2, I think.  It may even become useful for devices without mappable
graphics memory.

Or as Geert suggested, just write a console driver if you don't need
GUI.

Tony




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      parent reply	other threads:[~2003-03-05 15:35 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-03-05 12:37 Advice sought on approach Alex Bennee
2003-03-05 13:26 ` Antonino Daplas
2003-03-05 14:40   ` Alex Bennee
2003-03-05 14:44     ` Geert Uytterhoeven
2003-03-05 15:36     ` Antonino Daplas [this message]

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