drm/i915: Make encoder->compute_config take the connector state

Some places iterate over connector_state to find the right
connector, pass it along as argument.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1470755054-32699-7-git-send-email-maarten.lankhorst@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 554b3f6..f44858d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13042,7 +13042,7 @@
 
 		encoder = to_intel_encoder(connector_state->best_encoder);
 
-		if (!(encoder->compute_config(encoder, pipe_config))) {
+		if (!(encoder->compute_config(encoder, pipe_config, connector_state))) {
 			DRM_DEBUG_KMS("Encoder config failure\n");
 			goto fail;
 		}