From a41c78c135eb1850826e96b2154690323ff66719 Mon Sep 17 00:00:00 2001 From: Aleksandr Bezzubikov Date: Sat, 29 Jul 2017 02:37:49 +0300 Subject: [PATCH] hw/i386: allow SHPC for Q35 machine Unmask previously masked SHPC feature in _OSC method. Signed-off-by: Aleksandr Bezzubikov Reviewed-by: Marcel Apfelbaum Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- 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 b9c245c9bb..98dd424678 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 */