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Commit e34fbbac authored by Alex Hung's avatar Alex Hung Committed by Rafael J. Wysocki
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ACPI / video: skip evaluating _DOD when it does not exist 



Some system supports hybrid graphics and its discrete VGA
does not have any connectors and therefore has no _DOD method.

Signed-off-by: default avatarAlex Hung <alex.hung@canonical.com>
Reviewed-by: default avatarAaron Lu <aaron.lu@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 007d94ca

drivers/acpi/acpi_video.c

+3 −0
Original line number Diff line number Diff line
@@ -1246,6 +1246,9 @@ static int acpi_video_device_enumerate(struct acpi_video_bus *video) 
	union acpi_object *dod = NULL;

	union acpi_object *obj;



	if (!video->cap._DOD)

		return AE_NOT_EXIST;



	status = acpi_evaluate_object(video->device->handle, "_DOD", NULL, &buffer);

	if (!ACPI_SUCCESS(status)) {

		ACPI_EXCEPTION((AE_INFO, status, "Evaluating _DOD"));