From 78ebefd2cbcbaa3ff6d13754d104f38827ae7de9 Mon Sep 17 00:00:00 2001 From: Armin Wolf Date: Wed, 14 Jan 2026 13:21:59 +0100 Subject: [PATCH] ACPICA: Add support for the Microsoft display mux _OSI string 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 Signed-off-by: Rafael J. Wysocki Link: https://patch.msgid.link/10790566.nUPlyArG6x@rafael.j.wysocki --- 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 f6ac16729e422..88d04183ad0a2 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} }; /******************************************************************************* -- 2.47.3