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_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index cff4e9d..e3bc8d4 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1125,7 +1125,8 @@
 }
 
 static bool intel_sdvo_compute_config(struct intel_encoder *encoder,
-				      struct intel_crtc_state *pipe_config)
+				      struct intel_crtc_state *pipe_config,
+				      struct drm_connector_state *conn_state)
 {
 	struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
 	struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode;