linux-kernel - Re: [PATCH v3] s3fb: add DDC support

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Message-ID: <20110404084200.GD28208@linux-sh.org>
Date:	Mon, 4 Apr 2011 17:42:03 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Ondrej Zajicek <santiago@...reenet.org>
Cc:	Ondrej Zary <linux@...nbow-software.org>,
	linux-fbdev@...r.kernel.org,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] s3fb: add DDC support

On Mon, Apr 04, 2011 at 10:33:16AM +0200, Ondrej Zajicek wrote:
> On Sun, Apr 03, 2011 at 10:36:15PM +0200, Ondrej Zary wrote:
> > Add I2C support for the DDC bus and also default mode initialization by
> > reading monitor EDID to the s3fb driver.
> > 
> > Tested on Trio64V+ (2 cards), Trio64V2/DX, Virge (3 cards),
> > Virge/DX (3 cards), Virge/GX2, Trio3D/2X (4 cards), Trio3D.
> > 
> > Will probably not work on Trio32 - my 2 cards have DDC support in BIOS that
> > looks different from the other cards but the DDC pins on the VGA connector
> > are not connected.
> > 
> > Signed-off-by: Ondrej Zary <linux@...nbow-software.org>
> 
> Acked-by: Ondrej Zajicek <santiago@...reenet.org>
> 
Is there much reason to leave this optional? Or are you simply waiting
for testing feedback from Trio32 users before default-enabling it?

It would generally be nice to avoid these sorts of config options for a
specific driver if it already is quite capable of handling the
unsupported cases and has a reasonable fallback on defaults via the error
path.
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