Re: [PATCH] x86/efi: fix multiple GOP device support

[Matt Fleming <matt-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>]

On Sat, 19 Sep, at 03:40:23PM, Kővágó, Zoltán wrote:
> When multiple GOP devices exists, but none of them implements ConOut,
> the code should just choose the first GOP (according to the comments).
> But currently fb_base will refer to the last GOP, while other parameters
> to the first GOP, which will likely result in a garbled display.
> 
> Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
> ---
> 
> I can reliably reproducible this bug using my ASRock Z87M Extreme4
> motherboard with CSM and integrated GPU disabled, and two PCIe video
> cards (NVidia GT640 and GTX980), booting from efi-stub (booting from
> grub works fine).  On the primary display the asrock logo remains and on
> the secondary screen is garbled up completely.
> 
>  arch/x86/boot/compressed/eboot.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
 
Sorry for the delay. I've applied this now to the urgent queue.

The reproduction details under the "---" are so useful that I've moved
them into the commit message proper.

Thanks!

-- 
Matt Fleming, Intel Open Source Technology Center