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Message-ID: <10790566.nUPlyArG6x@rafael.j.wysocki>
Date: Wed, 14 Jan 2026 13:21:59 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Linux ACPI <linux-acpi@...r.kernel.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
"Dumbre, Saket" <saket.dumbre@...el.com>
Subject:
[PATCH v1 07/26] ACPICA: Add support for the Microsoft display mux _OSI
string
From: Armin Wolf <W_Armin@....de>
As per [1].
Link: https://learn.microsoft.com/en-us/windows-hardware/drivers/display/automatic-display-switch [1]
Link: https://github.com/acpica/acpica/commit/28b644211ff2
Signed-off-by: Armin Wolf <W_Armin@....de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
drivers/acpi/acpica/utosi.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/acpi/acpica/utosi.c b/drivers/acpi/acpica/utosi.c
index f6ac16729e42..88d04183ad0a 100644
--- a/drivers/acpi/acpica/utosi.c
+++ b/drivers/acpi/acpica/utosi.c
@@ -92,7 +92,11 @@ static struct acpi_interface_info acpi_default_supported_interfaces[] = {
{"Processor Device", NULL, ACPI_OSI_OPTIONAL_FEATURE, 0},
{"3.0 Thermal Model", NULL, ACPI_OSI_OPTIONAL_FEATURE, 0},
{"3.0 _SCP Extensions", NULL, ACPI_OSI_OPTIONAL_FEATURE, 0},
- {"Processor Aggregator Device", NULL, ACPI_OSI_OPTIONAL_FEATURE, 0}
+ {"Processor Aggregator Device", NULL, ACPI_OSI_OPTIONAL_FEATURE, 0},
+
+ /* See https://learn.microsoft.com/en-us/windows-hardware/drivers/display/automatic-display-switch */
+
+ {"DisplayMux", NULL, ACPI_OSI_OPTIONAL_FEATURE, 0}
};
/*******************************************************************************
--
2.51.0
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