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Matthew Garrett authored
Vendors often ship machines with a choice of integrated or discrete graphics, and use the same DSDT for both. As a result, the ACPI video module will locate devices that may not exist on this specific platform. Attempt to determine whether the device exists or not, and abort the device creation if it do not exist. Signed-off-by: Matthew Garrett <mjg59@srcf.ucam.org> Signed-off-by: Len Brown <len.brown@intel.com>
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