From: Matthew Garrett <mgarrett@chiark.greenend.org.uk>
To: gl@dsa-ac.de
Cc: linux-kernel@vger.kernel.org
Subject: Re: who sets boot_params[].screen_info.orig_video_isVGA?
Date: Mon, 5 Sep 2005 16:29:33 +0100 [thread overview]
Message-ID: <E1ECIub-00088O-00@chiark.greenend.org.uk> (raw)
In-Reply-To: <Pine.LNX.4.63.0509051646480.11341@pcgl.dsa-ac.de>
gl@dsa-ac.de <gl@dsa-ac.de> wrote:
> Hi all,
>
> I am trying to get intelfb running on a system with a 855GM onboard chip,
> and the driver exits at intelfbdrv.c::intelfb_pci_register() (2.6.13, line
> 814:
>
> if (FIXED_MODE(dinfo) && ORIG_VIDEO_ISVGA != VIDEO_TYPE_VLFB) {
> ERR_MSG("Video mode must be programmed at boot time.\n");
> cleanup(dinfo);
> return -ENODEV;
> }
This ought to be done by the bootloader if you pass a vga=foo argument.
The framebuffer driver doesn't know how to switch resolutions (primarily
because Intel won't tell anyone how to do it, so the only method is a
real-mode BIOS call to the VESA BIOS)
--
Matthew Garrett | mjg59-chiark.mail.linux-rutgers.kernel@srcf.ucam.org
next prev parent reply other threads:[~2005-09-05 15:29 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-05 15:01 gl
2005-09-05 15:29 ` Matthew Garrett [this message]
2005-09-05 15:45 ` gl
2005-09-05 15:58 ` Matthew Garrett
2005-09-06 1:19 ` Antonino A. Daplas
2005-09-06 7:32 ` gl
2005-09-06 8:33 ` Antonino A. Daplas
2005-09-06 9:20 ` input/touchscreen (was Re: who sets boot_params[].screen_info.orig_video_isVGA?) gl
2005-09-06 9:33 ` gl
2005-09-06 10:41 ` gl
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