Re: who sets boot_params[].screen_info.orig_video_isVGA?

[Matthew Garrett]

gl@xxxxxxxxx <gl@xxxxxxxxx> 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@xxxxxxxxxxxxx
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/