diff options
Diffstat (limited to 'drivers/acpi/osi.c')
| -rw-r--r-- | drivers/acpi/osi.c | 48 |
1 files changed, 5 insertions, 43 deletions
diff --git a/drivers/acpi/osi.c b/drivers/acpi/osi.c index efd2ce099893..f2c943b934be 100644 --- a/drivers/acpi/osi.c +++ b/drivers/acpi/osi.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * osi.c - _OSI implementation * * Copyright (C) 2016 Intel Corporation * Author: Lv Zheng <lv.zheng@intel.com> - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ /* Uncomment next line to get verbose printout */ @@ -55,32 +42,7 @@ static struct acpi_osi_entry osi_setup_entries[OSI_STRING_ENTRIES_MAX] __initdata = { {"Module Device", true}, {"Processor Device", true}, - {"3.0 _SCP Extensions", true}, {"Processor Aggregator Device", true}, - /* - * Linux-Dell-Video is used by BIOS to disable RTD3 for NVidia graphics - * cards as RTD3 is not supported by drivers now. Systems with NVidia - * cards will hang without RTD3 disabled. - * - * Once NVidia drivers officially support RTD3, this _OSI strings can - * be removed if both new and old graphics cards are supported. - */ - {"Linux-Dell-Video", 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 - * 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) @@ -147,7 +109,7 @@ void __init acpi_osi_setup(char *str) break; } else if (osi->string[0] == '\0') { osi->enable = enable; - strncpy(osi->string, str, OSI_STRING_LENGTH_MAX); + strscpy(osi->string, str, OSI_STRING_LENGTH_MAX); break; } } @@ -486,9 +448,9 @@ static const struct dmi_system_id acpi_osi_dmi_table[] __initconst = { */ /* - * Without this this EEEpc exports a non working WMI interface, with - * this it exports a working "good old" eeepc_laptop interface, fixing - * both brightness control, and rfkill not working. + * Without this EEEpc exports a non working WMI interface, with + * this it exports a working "good old" eeepc_laptop interface, + * fixing both brightness control, and rfkill not working. */ { .callback = dmi_enable_osi_linux, |