drm/i915: Constify send buffer for intel_dp_aux_ch

Inspired by Ville constifying the send buffer for pach_aux.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
This commit is contained in:
Daniel Vetter 2014-10-02 09:45:35 +02:00
commit bd9f74a5e7