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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Kevin B. Hendricks" <khendricks@ivey.uwo.ca>
Cc: <linuxppc-dev@lists.linuxppc.org>, Daniel Berlin <dan@cgsoftware.com>
Subject: Re: DFP support for kernel radeonfb.c added
Date: Wed, 14 Nov 2001 23:14:03 +0100	[thread overview]
Message-ID: <20011114221403.12088@smtp.wanadoo.fr> (raw)
In-Reply-To: <20011114215212.IFBL3045.tomts12-srv.bellnexxia.net@there>


>I did some reading up on it and it seems to change the sync(?) signal to
>simulate a serial line and pass 9 bit bytes (with parity?) which are
>collected to form the EDID block.   Hopefully it won't be too complicated.
>
>I don't understand if this is only done on monitor powerup or if it can be
>done at any time by request or is it just sent continuously by the monitor.

What are you talking about ? Your DVI panel ? That's I2C, you have
one line doing the clock, one doing the data, there's some addressing
going on (first byte).

The Apple laptops _seem_ to be doing things differently. Unless you
figured something out I didn;t :)

Ben.


** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/

  reply	other threads:[~2001-11-14 22:14 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-11-14 17:52 DFP support for kernel radeonfb.c added Kevin B. Hendricks
2001-11-14 18:20 ` Daniel Berlin
2001-11-14 18:28   ` Kevin B. Hendricks
2001-11-14 19:04     ` Daniel Berlin
2001-11-14 20:15       ` Kevin B. Hendricks
2001-11-14 20:19         ` Daniel Berlin
2001-11-14 21:24           ` Benjamin Herrenschmidt
2001-11-14 21:54             ` Kevin B. Hendricks
2001-11-14 22:14               ` Benjamin Herrenschmidt [this message]
2001-11-15  3:13                 ` Kevin B. Hendricks
2001-11-15  6:04                   ` Daniel Berlin
2001-11-15 12:16                     ` Kevin B. Hendricks
2001-11-15 21:51                       ` Daniel Berlin
2001-11-15 22:23                         ` Kevin B. Hendricks
2001-11-16 13:00                         ` Kevin B. Hendricks
2001-11-16 13:47                           ` Benjamin Herrenschmidt
2001-11-14 22:14             ` Daniel Berlin
2001-11-14 22:32               ` Kevin B. Hendricks
  -- strict thread matches above, loose matches on Subject: below --
2001-11-15 18:23 ghannon
2001-11-15 18:44 ` Kevin Hendricks

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