drm/i915: use intel_ddi_get_hw_state on CRT encoder too

Because things changed on Haswell/LPT and the bits checked by
intel_crt_get_hw_state have moved to other registers.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
1 file changed