diff options
| -rw-r--r-- | drivers/acpi/osi.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/acpi/osi.c b/drivers/acpi/osi.c index 76998a51bf99..8a8f43568510 100644 --- a/drivers/acpi/osi.c +++ b/drivers/acpi/osi.c @@ -57,6 +57,15 @@ osi_setup_entries[OSI_STRING_ENTRIES_MAX] __initdata = { {"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}, }; static u32 acpi_osi_handler(acpi_string interface, u32 supported) |