From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt To: "Kevin B. Hendricks" Cc: , Daniel Berlin Subject: Re: DFP support for kernel radeonfb.c added Date: Wed, 14 Nov 2001 23:14:03 +0100 Message-Id: <20011114221403.12088@smtp.wanadoo.fr> In-Reply-To: <20011114215212.IFBL3045.tomts12-srv.bellnexxia.net@there> References: <20011114215212.IFBL3045.tomts12-srv.bellnexxia.net@there> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: >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/