On Tue, Aug 08, 2017 at 12:40:08AM +0300, Michael S. Tsirkin wrote:
> From: Aleksandr Bezzubikov <zuban...@gmail.com>
> 
> Unmask previously masked SHPC feature in _OSC method.
> 
> Signed-off-by: Aleksandr Bezzubikov <zuban...@gmail.com>
> Reviewed-by: Marcel Apfelbaum <mar...@redhat.com>
> Reviewed-by: Michael S. Tsirkin <m...@redhat.com>
> Signed-off-by: Michael S. Tsirkin <m...@redhat.com>

Cc: qemu-sta...@nongnu.org

> ---
>  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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