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

Hi,

On 16 March 2017 at 08:26, Bin Meng bmeng.cn@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@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