From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Antonino A. Daplas" Subject: Re: [PATCH 3/9] VT binding: Make VT binding a Kconfig option Date: Tue, 20 Jun 2006 22:31:18 +0800 Message-ID: <449806B6.7060309@gmail.com> References: <44957026.2020405@gmail.com> <9e4733910606191718n74d0bf40na7b0cc3902d80172@mail.gmail.com> <44974AC7.4060708@gmail.com> <9e4733910606191916i1994d4d1i2ea661e015431750@mail.gmail.com> <4497B2B5.4040001@gmail.com> <9e4733910606200704n19da7833s6873eb3270fe299e@mail.gmail.com> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1FshGQ-0001TA-IF for linux-fbdev-devel@lists.sourceforge.net; Tue, 20 Jun 2006 07:31:34 -0700 Received: from ug-out-1314.google.com ([66.249.92.170]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1FshGQ-0001Hv-47 for linux-fbdev-devel@lists.sourceforge.net; Tue, 20 Jun 2006 07:31:34 -0700 Received: by ug-out-1314.google.com with SMTP id j40so1228959ugd for ; Tue, 20 Jun 2006 07:31:32 -0700 (PDT) In-Reply-To: <9e4733910606200704n19da7833s6873eb3270fe299e@mail.gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-fbdev-devel-bounces@lists.sourceforge.net Errors-To: linux-fbdev-devel-bounces@lists.sourceforge.net To: Jon Smirl Cc: Linux Fbdev development list , Linux Kernel Development Jon Smirl wrote: > On 6/20/06, Antonino A. Daplas wrote: >> No it can't. Once the card is in graphics mode, vgacon cannot go to >> text mode on its own. It has to know how to write to other VGA >> registers which are unique per hardware. > > Might be a good place for a little call_usermodehelper example. VGAcon > could try calling vbetool to save it's state and restore it. GregKH > told me that the class firmware loader code was the place to start. > Yes, that's part of the plan. I'm still looking for the best inteface to do that. It must be a 2-way inteface, ie, kernel->user and user->kernel. Does the firmware loader code satisfy the above condition? Tony