drm/i915: BUG() on unexpected HDMI register
This should never happen, but the silent "return" makes me wonder every time I try to debug InfoFrame bugs, so promote this to BUG() to make sure people will complain if we ever break this. Signed-off-by: NPaulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
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