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superm1rafaeljw
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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 b516ea5 ("PCI: Enable NVIDIA HDA controllers"), so vendors shouldn't be using this string to modify ASL any more. Suggested-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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drivers/acpi/osi.c

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@@ -44,14 +44,6 @@ osi_setup_entries[OSI_STRING_ENTRIES_MAX] __initdata = {
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{"Processor Device", true},
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{"3.0 _SCP Extensions", true},
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{"Processor Aggregator Device", true},
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/*
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* Linux-Lenovo-NV-HDMI-Audio is used by BIOS to power on NVidia's HDMI
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* audio device which is turned off for power-saving in Windows OS.
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* This power management feature observed on some Lenovo Thinkpad
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* systems which will not be able to output audio via HDMI without
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* a BIOS workaround.
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*/
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{"Linux-Lenovo-NV-HDMI-Audio", true},
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/*
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* Linux-HPI-Hybrid-Graphics is used by BIOS to enable dGPU to
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* output video directly to external monitors on HP Inc. mobile

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