drm/i915: more conversion from connector_list walk to encoder_list

What we really want is encoder info instead of connector, so change
some more list walk in pipeline setup functions from connector_list
to encoder_list.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
1 file changed