drm/i915: Remove all ->config dereferences from intel_hdmi, v2.

In all cases we can now obtain the relevant crtc_state/conn_state
from the relevant callbacks, which means all the ->config accesses
can be removed and the code cleaned up.

Changes since v1:
- cstate -> crtc_state

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/8b02a6b4-606a-e43a-b357-ad17f491525b@linux.intel.com
[mlankhorst: Reinstate missing comment]
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

drivers/gpu/drm/i915/intel_ddi.c

@@ -1701,7 +1701,8 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder,
 
 static void intel_ddi_pre_enable_hdmi(struct intel_encoder *encoder,
 				      bool has_hdmi_sink,
-				      struct drm_display_mode *adjusted_mode,
+				      const struct intel_crtc_state *crtc_state,
+				      const struct drm_connector_state *conn_state,
 				      struct intel_shared_dpll *pll)
 {
 	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
@@ -1721,7 +1722,7 @@ static void intel_ddi_pre_enable_hdmi(struct intel_encoder *encoder,
 
 	intel_hdmi->set_infoframes(drm_encoder,
 				   has_hdmi_sink,
-				   adjusted_mode);
+				   crtc_state, conn_state);
 }
 
 static void intel_ddi_pre_enable(struct intel_encoder *intel_encoder,
@@ -1742,8 +1743,8 @@ static void intel_ddi_pre_enable(struct intel_encoder *intel_encoder,
 	}
 	if (type == INTEL_OUTPUT_HDMI) {
 		intel_ddi_pre_enable_hdmi(intel_encoder,
-					  crtc->config->has_hdmi_sink,
-					  &crtc->config->base.adjusted_mode,
+					  pipe_config->has_hdmi_sink,
+					  pipe_config, conn_state,
 					  crtc->config->shared_dpll);
 	}
 }

drivers/gpu/drm/i915/intel_drv.h

@@ -842,11 +842,13 @@ struct intel_hdmi {
 	enum hdmi_picture_aspect aspect_ratio;
 	struct intel_connector *attached_connector;
 	void (*write_infoframe)(struct drm_encoder *encoder,
+				const struct intel_crtc_state *crtc_state,
 				enum hdmi_infoframe_type type,
 				const void *frame, ssize_t len);
 	void (*set_infoframes)(struct drm_encoder *encoder,
 			       bool enable,
-			       const struct drm_display_mode *adjusted_mode);
+			       const struct intel_crtc_state *crtc_state,
+			       const struct drm_connector_state *conn_state);
 	bool (*infoframe_enabled)(struct drm_encoder *encoder,
 				  const struct intel_crtc_state *pipe_config);
 };