ACPI: Add \_SB._OSC bit for PRM

Signed-off-by: Erik Kaneda <erik.kaneda@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
mariux64 · Jun 10, 2021 · 60faa8f · 60faa8f
1 parent cefc7ca
commit 60faa8f
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diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
@@ -305,6 +305,7 @@ static void acpi_bus_osc_negotiate_platform_control(void)
 
 	capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_HOTPLUG_OST_SUPPORT;
 	capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PCLPI_SUPPORT;
+	capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PRM_SUPPORT;
 
 #ifdef CONFIG_ARM64
 	capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_GENERIC_INITIATOR_SUPPORT;

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
@@ -551,6 +551,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
 #define OSC_SB_OSLPI_SUPPORT			0x00000100
 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT		0x00001000
 #define OSC_SB_GENERIC_INITIATOR_SUPPORT	0x00002000
+#define OSC_SB_PRM_SUPPORT			0x00020000
 #define OSC_SB_NATIVE_USB4_SUPPORT		0x00040000
 
 extern bool osc_sb_apei_support_acked;