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Re: [Qemu-stable] [PULL 1/2] hw/i386: allow SHPC for Q35 machine
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-stable] [PULL 1/2] hw/i386: allow SHPC for Q35 machine |
Date: |
Tue, 8 Aug 2017 00:41:07 +0300 |
On Tue, Aug 08, 2017 at 12:40:08AM +0300, Michael S. Tsirkin wrote:
> From: Aleksandr Bezzubikov <address@hidden>
>
> Unmask previously masked SHPC feature in _OSC method.
>
> Signed-off-by: Aleksandr Bezzubikov <address@hidden>
> Reviewed-by: Marcel Apfelbaum <address@hidden>
> Reviewed-by: Michael S. Tsirkin <address@hidden>
> Signed-off-by: Michael S. Tsirkin <address@hidden>
Cc: address@hidden
> ---
> hw/i386/acpi-build.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
> index b9c245c..98dd424 100644
> --- a/hw/i386/acpi-build.c
> +++ b/hw/i386/acpi-build.c
> @@ -1862,9 +1862,9 @@ static Aml *build_q35_osc_method(void)
>
> /*
> * Always allow native PME, AER (no dependencies)
> - * Never allow SHPC (no SHPC controller in this system)
> + * Allow SHPC (PCI bridges can have SHPC controller)
> */
> - aml_append(if_ctx, aml_and(a_ctrl, aml_int(0x1D), a_ctrl));
> + aml_append(if_ctx, aml_and(a_ctrl, aml_int(0x1F), a_ctrl));
>
> if_ctx2 = aml_if(aml_lnot(aml_equal(aml_arg(1), aml_int(1))));
> /* Unknown revision */
> --
> MST
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