From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sven Luther Subject: Re: Feature Freeze? Date: Wed, 5 Mar 2003 15:26:17 +0100 Sender: linux-fbdev-devel-admin@lists.sourceforge.net Message-ID: <20030305142617.GA3666@iliana> References: <20030305142127.GA3565@iliana> Mime-Version: 1.0 Return-path: Received: from smtp2.wanadoo.fr ([193.252.22.26] helo=mwinf0504.wanadoo.fr) by sc8-sf-list1.sourceforge.net with esmtp (Exim 3.31-VA-mm2 #1 (Debian)) id 18qZqm-000158-00 for ; Wed, 05 Mar 2003 06:26:28 -0800 Content-Disposition: inline In-Reply-To: Errors-To: linux-fbdev-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Geert Uytterhoeven Cc: Sven Luther , Antonino Daplas , Linux Fbdev development list On Wed, Mar 05, 2003 at 03:23:36PM +0100, Geert Uytterhoeven wrote: > On Wed, 5 Mar 2003, Sven Luther wrote: > > On Wed, Mar 05, 2003 at 03:04:57PM +0100, Geert Uytterhoeven wrote: > > > On Wed, 5 Mar 2003, Sven Luther wrote: > > > > On Wed, Mar 05, 2003 at 08:46:52PM +0800, Antonino Daplas wrote: > > > > > On Wed, 2003-03-05 at 19:05, Sven Luther wrote: > > > > > > On Wed, Mar 05, 2003 at 04:26:04PM +0800, Antonino Daplas wrote: > > > > > > > I believe it's time to finalize what is needed/not needed for the > > > > > > > framebuffer framework: > > > > > > > > > > > > > > 1. Text mode support? > > > > > > > > > > > > Would this work also on arches which don't traditionnaly do text mode ? > > > > > > Like ppc for example. > > > > > > > > > > Yes, pixel-based drawing is still the default. It's only for drivers > > > > > (matrox and sbus) where it might be needed. > > > > > > > > And do you think there is a chance of standard vgacon working on a ppc > > > > board ? I have a pegasos powerpc/pop based board, and its OF use a x86 > > > > emulator to boot the card into vga textmode. matroxfb is broken on it > > > > last i tried, and radeonfb was not uptodate in the kernel that was > > > > provided, and i there is problems with other fbdevs also, so it > > > > would be nice if it was possible to use vgacon on such hardware, until > > > > the fbdevs are fixed, but it is a bit hard to fix things without a > > > > working console. > > > > > > If your BIOS initializes your graphics card to VGA text mode, vgacon should > > > work. The same is true for vga16fb. > > > > It is just a configuration thingy then ? > > Yes. Enable vgacon, and see what happens... Ok, i will try again once i get the board back, but i think i remember that i tried it already, and nothing happened. > > > Vga16fb works on the S3 in my LongTrail, iff I first run a BIOS emulator to > > > initialize the card to textmode. Never tried vgacon, since the BIOS emulator is > > > a userspace program and vga16fb can be modular. > > > > Mmm, but since the emulator is run in OF, this would be ok ? > > Yes. > > > Do you think that vesafb would work also ? > > Vesafb requires the boot loader to make BIOS calls before the kernel is > launched. Can you do that from U-Boot (that's your firmware, right)? No, it uses smartfirmware. I will have to look into this more, i am not all that familiar with OF, and the docs i found are not all that easy to get into. Friendly, Sven Luther ------------------------------------------------------- This SF.net email is sponsored by: Etnus, makers of TotalView, The debugger for complex code. Debugging C/C++ programs can leave you feeling lost and disoriented. TotalView can help you find your way. Available on major UNIX and Linux platforms. Try it free. www.etnus.com