From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.71) id 1Rmom3-0004Oh-1N for mharc-grub-devel@gnu.org; Mon, 16 Jan 2012 10:47:07 -0500 Received: from eggs.gnu.org ([140.186.70.92]:33653) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rmolt-0004KG-Ot for grub-devel@gnu.org; Mon, 16 Jan 2012 10:47:03 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Rmoln-0000Vf-6n for grub-devel@gnu.org; Mon, 16 Jan 2012 10:46:57 -0500 Received: from mail-ww0-f49.google.com ([74.125.82.49]:50603) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rmoln-0000Sp-2D for grub-devel@gnu.org; Mon, 16 Jan 2012 10:46:51 -0500 Received: by mail-ww0-f49.google.com with SMTP id dq13so548662wgb.30 for ; Mon, 16 Jan 2012 07:46:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=sDUSAJaq903CIu8cXTCTUDxK/URaUhfwAHY5Ybk0t18=; b=Mx9MeugwqpT4I7n+2b3jK30NNoJa3ZqKdYTVtczWswmPHzRpGRANGh4sDupquKhMsn lqDjwH0LzLjFNKQ/tAxbhrT1UPa56DuJoNpnTyfspbbkftyh6HU14bI4q3RDr/NnNQsn gUHh2wEXZHd5QneBgG5BYeoAzzZfUijHcFjEY= Received: by 10.180.84.163 with SMTP id a3mr26037719wiz.3.1326728810007; Mon, 16 Jan 2012 07:46:50 -0800 (PST) Received: from debian.x201.phnet (45-233.197-178.cust.bluewin.ch. [178.197.233.45]) by mx.google.com with ESMTPS id em13sm12182078wid.7.2012.01.16.07.46.47 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 16 Jan 2012 07:46:48 -0800 (PST) Message-ID: <4F144662.6050400@gmail.com> Date: Mon, 16 Jan 2012 16:46:42 +0100 From: =?UTF-8?B?VmxhZGltaXIgJ8+GLWNvZGVyL3BoY29kZXInIFNlcmJpbmVua28=?= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20120104 Icedove/8.0 MIME-Version: 1.0 To: The development of GNU GRUB Subject: Re: Multiboot video mode request on EFI-gop References: <4F143983.7030407@ubuntu.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 74.125.82.49 Cc: Thomas Nilsen , Phillip Susi X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: The development of GNU GRUB List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Jan 2012 15:47:03 -0000 On 16.01.2012 16:22, Thomas Nilsen wrote: > Hi, > > I think i might have explained myself incorrect. > > What i mean is: > > 1. Grub2 runs very well on BIOS & (U)EFI bios. Nice graphics as > requested in gfxmode etc. > > 2. Grub2 loads multiboot kernel and gives it its requested videomode > (from the videomode request part of multibootheader) > > 3. Grub2 does NOT load multiboot kernel and gives it its requested > videomode. It seems to give it its mode, but the info is not right in > the multiboot parameters.. So the "kernel" cannot tell what mode it > is, where its LFB is and bpp etc. > > Conclusion: > > So what i think is happening (not happening) is that when using GOP > and not VBE (for bios) then the updating of the multibootparams are > not handled correctly.. It might be my mistake, but i cannot seem to > get it working.. (might be my code that is not right..) > Did you notice that the structure for the generic video is different and pointed in another place than VBE one? > regards > Thomas > > 2012/1/16 Phillip Susi > > > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 1/16/2012 5:24 AM, Thomas Nilsen wrote: > > Im thinking since its the efi-gop driver/module that handles video > > mode on EFI boot this could probably be used when booting the same > > way that vbe module does the change before executing the kernel. > > That's exactly what it is for. Make sure you have that module loaded. > > > Im interrested in contributing on fixing this if someone with some > > information can point me where to start off if someone knows whats > > missing, or maby what is going wrong. I will start doing some > > research aswell, but help is very much appreciated. > > If the GOP module is loaded and you are not satisfied with the video > modes it provides, then AFAIK, you will need to either try a different > motherboard ( that has a different EFI GOP implementation ) or get the > specs for your video card and write your own EFI GOP driver. > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v2.0.17 (MingW32) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iQEcBAEBAgAGBQJPFDmDAAoJEJrBOlT6nu751w0IAK22Sr9ytvetkJRICpAILYXU > vR2nPYXb5J8wHoUY3ooCtartmWv1bIs2TMcfjGWtwPyP0GCoJ/kH2XK8ZFx3MsAD > uZGeKk5qP4x3XDEZvllreYm/tG1lv+Uwh6Bv7BFTGPA10BFFOv/5NRt0tn5RT3ke > jR2/Fx+RKZ+haw//DhsC87RqhsQg53Wg3PnumpzWL9BU/pH4iajsE3FE8kck3eHK > DUanFwDMIeu6e2+xPrDtgNdBGZEC0eUzCf5AMZYInCPZ1vJOYGrYGJaUBC6bD+wU > 2eHED1LKZ3kanPNnsP79AdtmOwFrJ94QW80Cy/hTqLk4bfPkRel9TKzDSJpeRWw= > =J+5A > -----END PGP SIGNATURE----- > > > > > _______________________________________________ > Grub-devel mailing list > Grub-devel@gnu.org > https://lists.gnu.org/mailman/listinfo/grub-devel -- Regards Vladimir 'φ-coder/phcoder' Serbinenko