Commit 7c3ad60b authored by Mario Limonciello's avatar Mario Limonciello Committed by Rafael J. Wysocki
Browse files

ACPI: OSI: Remove Linux-Lenovo-NV-HDMI-Audio _OSI string 



This string was introduced because drivers for NVIDIA hardware
didn't handle HDMI properly.

This was fixed by commit b516ea58 ("PCI: Enable NVIDIA HDA
controllers"), so vendors shouldn't be using this string to modify
ASL any more.

Suggested-by: default avatarKai-Heng Feng <kai.heng.feng@canonical.com>
Reviewed-by: default avatarLyude Paul <lyude@redhat.com>
Signed-off-by: default avatarMario Limonciello <mario.limonciello@amd.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 24867516

drivers/acpi/osi.c

+0 −8
Original line number Diff line number Diff line
@@ -44,14 +44,6 @@ osi_setup_entries[OSI_STRING_ENTRIES_MAX] __initdata = { 
	{"Processor Device", true},

	{"3.0 _SCP Extensions", true},

	{"Processor Aggregator Device", true},

	/*

	 * Linux-Lenovo-NV-HDMI-Audio is used by BIOS to power on NVidia's HDMI

	 * audio device which is turned off for power-saving in Windows OS.

	 * This power management feature observed on some Lenovo Thinkpad

	 * systems which will not be able to output audio via HDMI without

	 * a BIOS workaround.

	 */

	{"Linux-Lenovo-NV-HDMI-Audio", true},

	/*

	 * Linux-HPI-Hybrid-Graphics is used by BIOS to enable dGPU to

	 * output video directly to external monitors on HP Inc. mobile