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[Qemu-devel] [PULL 1/2] hw/i386: allow SHPC for Q35 machine
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PULL 1/2] hw/i386: allow SHPC for Q35 machine |
Date: |
Tue, 8 Aug 2017 00:40:35 +0300 |
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>
---
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