linux-kernel - Re: [PATCH V2 4/4] efifb: Implement vga_default

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Date:	Fri, 20 Apr 2012 12:13:19 +0100
From:	Dave Airlie <airlied@...il.com>
To:	Matthew Garrett <mjg@...hat.com>
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, matt.fleming@...el.com
Subject: Re: [PATCH V2 4/4] efifb: Implement vga_default_device()

On Mon, Apr 16, 2012 at 9:26 PM, Matthew Garrett <mjg@...hat.com> wrote:
> EFI doesn't typically make use of the legacy VGA ROM, but it may still be
> configured to pass that through to a given video device. This may lead to
> an inaccurate choice of default video device. Add support to efifb to pick
> out the correct active video device.
>
> Signed-off-by: Matthew Garrett <mjg@...hat.com>
> Cc: hpa@...or.com
> Cc: matt.fleming@...el.com
> ---
>  arch/x86/include/asm/vga.h |    6 ++++
>  drivers/video/efifb.c      |   77 ++++++++++++++++++++++++++++++++------------
>  2 files changed, 63 insertions(+), 20 deletions(-)
>
> diff --git a/arch/x86/include/asm/vga.h b/arch/x86/include/asm/vga.h
> index c4b9dc2..2723c07 100644
> --- a/arch/x86/include/asm/vga.h
> +++ b/arch/x86/include/asm/vga.h
> @@ -17,4 +17,10 @@
>  #define vga_readb(x) (*(x))
>  #define vga_writeb(x, y) (*(y) = (x))
>
> +#if CONFIG_FB_EFI

^ #ifdef?

Dave.
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