Re: [PATCH] X86: Improve GOP detection in the EFI boot stub

From: Matt Fleming
Date: Fri Jul 27 2012 - 06:44:37 EST


On Thu, 2012-07-26 at 18:00 -0400, Matthew Garrett wrote:
> We currently use the PCI IO protocol as a proxy for a functional GOP. This
> is less than ideal, since some platforms will put the GOP on output devices
> rather than the GPU itself. Move to using the conout protocol. This is not
> guaranteed per-spec, but is part of the consplitter implementation that
> causes this problem in the first place and so should be reliable.
>
> Signed-off-by: Matthew Garrett <mjg@xxxxxxxxxx>
> ---
> arch/x86/boot/compressed/eboot.c | 29 ++++++++++++++++-------------
> arch/x86/boot/compressed/eboot.h | 4 ++++
> 2 files changed, 20 insertions(+), 13 deletions(-)

Acked-by: Matt Fleming <matt.fleming@xxxxxxxxx>


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