drm/i915: don't silently ignore sdvo mode_set failures

Unfortunately we can't abort a mode_set, but at least tell the user
that something might have gone wrong when setting the sdvo input or
output timing fails.

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
1 file changed