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From: "Antonino A. Daplas" <adaplas@hotpop.com>
To: Lucas Correia Villa Real <lucasvr@gobolinux.org>,
	linux-fbdev-devel@lists.sourceforge.net
Subject: Re: Re: Fbdev magics
Date: Fri, 7 May 2004 21:33:37 +0800	[thread overview]
Message-ID: <200405072133.37300.adaplas@hotpop.com> (raw)
In-Reply-To: <200405070026.54372.lucasvr@gobolinux.org>

On Friday 07 May 2004 11:26, Lucas Correia Villa Real wrote:
> On Thursday 06 May 2004 06:17, Geert Uytterhoeven wrote:
> ...

>
> I've seen some LCD display drivers for embedded devices that handled it
> directly with request_irq() on 2.4. As I could see from the bottom layers
> of fbdev, an interrupt handler in a driver doesn't seem to hurt anyone
> there.. or am I wrong?
>

Within the console, you probably can't use interrupts, at least in 2.4.x.  
However, there are patches around that uses an interrupt service especially 
with waiting for vrefresh.  I've done it with the i810fb (around 2.4.18), and 
I think matroxfb has one too.

Tony




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  reply	other threads:[~2004-05-07 13:32 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200405050027.58630.lucasvr@terra.com.br>
2004-05-06  9:17 ` Fbdev magics Geert Uytterhoeven
2004-05-07  3:26   ` Lucas Correia Villa Real
2004-05-07 13:33     ` Antonino A. Daplas [this message]
2004-05-11  3:40       ` Lucas Correia Villa Real

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