As we conflated intel_sdvo->is_hdmi with both having HDMI support on the
ADD along with having HDMI support on the monitor, we would attempt to
use HDMI encodings even if the interface did not support those commands.
Reported-by: NSimon Farnsworth <simon.farnsworth@onelan.co.uk>
Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk>
Tested-by: NSimon Farnsworth <simon.farnsworth@onelan.co.uk>
Reviewed-by: NSimon Farnsworth <simon.farnsworth@onelan.co.uk>