ACPI: OSI: Remove Linux-HPI-Hybrid-Graphics _OSI string
authorMario Limonciello <mario.limonciello@amd.com>
Tue, 23 Aug 2022 18:51:33 +0000 (13:51 -0500)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Thu, 25 Aug 2022 18:18:17 +0000 (20:18 +0200)
This string was introduced because drivers for NVIDIA hardware
didn't handle mux control properly.

This was fixed by commit 8e55f99c510f ("drm/i915: Invoke another _DSM
to enable MUX on HP Workstation laptops"), 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>
drivers/acpi/osi.c

index 0d635ee..d4405e1 100644 (file)
@@ -44,13 +44,6 @@ osi_setup_entries[OSI_STRING_ENTRIES_MAX] __initdata = {
        {"Processor Device", true},
        {"3.0 _SCP Extensions", true},
        {"Processor Aggregator Device", true},
-       /*
-        * Linux-HPI-Hybrid-Graphics is used by BIOS to enable dGPU to
-        * output video directly to external monitors on HP Inc. mobile
-        * workstations as Nvidia and AMD VGA drivers provide limited
-        * hybrid graphics supports.
-        */
-       {"Linux-HPI-Hybrid-Graphics", true},
 };
 
 static u32 acpi_osi_handler(acpi_string interface, u32 supported)