diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 7fe3aee5389a88131a497d417201108075ec1079..7e70edb555322794df4121f83d6fa94b2d4cf4fc 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -1928,6 +1928,17 @@ EXPORT_SYMBOL(acpi_video_unregister); static int __init acpi_video_init(void) { + /* + * Let the module load even if ACPI is disabled (e.g. due to + * a broken BIOS) so that i915.ko can still be loaded on such + * old systems without an AcpiOpRegion. + * + * acpi_video_register() will report -ENODEV later as well due + * to acpi_disabled when i915.ko tries to register itself afterwards. + */ + if (acpi_disabled) + return 0; + dmi_check_system(video_dmi_table); if (intel_opregion_present())