linux-kernel - Re: [PATCH] x86: Switch to vga console only if framebuffer details are missing

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Message-ID: <20120917120047.42b520ac@pyramind.ukuu.org.uk>
Date:	Mon, 17 Sep 2012 12:00:47 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Matt Fleming <matt@...sole-pimps.org>
Cc:	linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org,
	Matt Fleming <matt.fleming@...el.com>,
	"H. Peter Anvin" <hpa@...or.com>, Matthew Garrett <mjg@...hat.com>,
	Olof Johansson <olof@...om.net>,
	Peter Jones <pjones@...hat.com>, Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH] x86: Switch to vga console only if framebuffer details
 are missing

On Mon, 17 Sep 2012 11:29:08 +0100
Matt Fleming <matt@...sole-pimps.org> wrote:

> From: Matt Fleming <matt.fleming@...el.com>
> 
> The efi_enabled variable has come to mean "Do we have EFI runtime
> services available?". However, lack of EFI runtime services does not
> mean that we should switch to using the VGA console. Provided that the
> boot loader passed the dimensions of the EFI framebuffer there is no
> reason we can't use efifb.

Speed is the obvious one. vga con is fast, efifb is not
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