[U-Boot] [PATCH 20/22] x86: pci: Allow conditionally run VGA rom in S3

[Simon Glass]

Hi,

On 16 March 2017 at 08:26, Bin Meng <bmeng.cn at gmail.com> wrote:
> Introduce a new CONFIG_S3_VGA_ROM_RUN option so that U-Boot can
> bypass executing VGA roms in S3.
>
> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
> ---
>
>  arch/x86/Kconfig      | 12 ++++++++++++
>  drivers/pci/pci_rom.c | 14 ++++++++++++++
>  2 files changed, 26 insertions(+)

Can this be handled at run-time, based on whether we have already run the ROM?

At present, at least on ivybridge (non-FSP), the ROM execution happens
when the device comes up. So do we actually need to run the ROM in S3
Or can we do it later by re-probing the driver?

Regards
Simon