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_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 6e6c4bd..8fe36d0 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -261,7 +261,8 @@
 }
 
 static bool intel_crt_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 drm_device *dev = encoder->base.dev;