OPREGION_ACPI_OFFSET 340 drivers/gpu/drm/gma500/opregion.c opregion->acpi = base + OPREGION_ACPI_OFFSET; OPREGION_ACPI_OFFSET 943 drivers/gpu/drm/i915/display/intel_opregion.c opregion->acpi = base + OPREGION_ACPI_OFFSET;