From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Subject: Re: Re: mode setting and console locking Date: Mon, 17 May 2004 13:51:21 +1000 Sender: linux-fbdev-devel-admin@lists.sourceforge.net Message-ID: <1084765880.6447.21.camel@gaston> References: <20040517035129.28227.qmail@web14928.mail.yahoo.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1BPZEf-00012e-IQ for linux-fbdev-devel@lists.sourceforge.net; Sun, 16 May 2004 20:56:17 -0700 Received: from gate.crashing.org ([63.228.1.57] ident=root) by sc8-sf-mx1.sourceforge.net with esmtp (TLSv1:AES256-SHA:256) (Exim 4.30) id 1BPZEf-0002vu-6f for linux-fbdev-devel@lists.sourceforge.net; Sun, 16 May 2004 20:56:17 -0700 In-Reply-To: <20040517035129.28227.qmail@web14928.mail.yahoo.com> Errors-To: linux-fbdev-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: List-Post: List-Help: List-Subscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" To: Jon Smirl Cc: fb-devel > > The only difference I can see is that the X term is in KD_GRAPHICS. When the VT > is swapped from a console in KD_TEXT to one in KD_GRAPHICS a signal must be sent > to radeonfb. This signal is being handled wrong and the wrong data is loaded > into the registers. But what is really wrong is that this signal shouldn't be > sent to radeonfb at all since my radeonfb is not the primary console device and > it shouldn't be touched on a VT swap. > > I haven't figured out what happens in an fbdev driver on a KD_TEXT/KD_GRAPHICS > transition yet. The kernel VT subsystem issue a special blank call to the console driver (I recently fixed issues there to catch those properly). fbcon will for a set mode when getting one of those going from gfx->text Ben. ------------------------------------------------------- This SF.Net email is sponsored by: SourceForge.net Broadband Sign-up now for SourceForge Broadband and get the fastest 6.0/768 connection for only $19.95/mo for the first 3 months! http://ads.osdn.com/?ad_id=2562&alloc_id=6184&op=click