drm/i915: Avoid mixing up SST and MST in DDI setup
The MST vs. SST selection should depend purely on the choice of the connector/encoder. So don't try to determine the correct DDI mode based on the intel_dp->is_mst, which simply tells us whether the sink is in MST mode or not. Instead derive the information from the encoder type. Since the link training code deals in non-fake encoders, we'll also need to keep a second copy of that information around, which we'll now designate as 'link_mst'. Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1469717448-4297-4-git-send-email-ville.syrjala@linux.intel.comReviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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