drm/i915: improve modeset state checking after dpms calls

Now that we have solid modeset state tracking and checking code in
place, we can do the Full Monty also after dpms calls.
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_crt.c

@@ -177,7 +177,7 @@ static void intel_crt_dpms(struct drm_connector *connector, int mode)
 		intel_crtc_update_dpms(crtc);
 	}
 
-	intel_connector_check_state(to_intel_connector(connector));
+	intel_modeset_check_state(connector->dev);
 }
 
 static int intel_crt_mode_valid(struct drm_connector *connector,

drivers/gpu/drm/i915/intel_display.c

@@ -3585,7 +3585,7 @@ void intel_encoder_dpms(struct intel_encoder *encoder, int mode)
 
 /* Cross check the actual hw state with our own modeset state tracking (and it's
  * internal consistency). */
-void intel_connector_check_state(struct intel_connector *connector)
+static void intel_connector_check_state(struct intel_connector *connector)
 {
 	if (connector->get_hw_state(connector)) {
 		struct intel_encoder *encoder = connector->encoder;
@@ -3639,7 +3639,7 @@ void intel_connector_dpms(struct drm_connector *connector, int mode)
 	else
 		WARN_ON(encoder->connectors_active != false);
 
-	intel_connector_check_state(to_intel_connector(connector));
+	intel_modeset_check_state(connector->dev);
 }
 
 /* Simple connector->get_hw_state implementation for encoders that support only
@@ -6872,7 +6872,7 @@ intel_modeset_update_state(struct drm_device *dev, unsigned prepare_pipes)
 			    base.head) \
 		if (mask & (1 <<(intel_crtc)->pipe)) \
 
-static void
+void
 intel_modeset_check_state(struct drm_device *dev)
 {
 	struct intel_crtc *crtc;

drivers/gpu/drm/i915/intel_dp.c

@@ -1362,7 +1362,7 @@ intel_dp_dpms(struct drm_connector *connector, int mode)
 		intel_encoder_dpms(&intel_dp->base, mode);
 	}
 
-	intel_connector_check_state(to_intel_connector(connector));
+	intel_modeset_check_state(connector->dev);
 }
 
 /*

drivers/gpu/drm/i915/intel_drv.h

@@ -455,7 +455,8 @@ extern void intel_encoder_dpms(struct intel_encoder *encoder, int mode);
 extern bool intel_encoder_check_is_cloned(struct intel_encoder *encoder);
 extern void intel_connector_dpms(struct drm_connector *, int mode);
 extern bool intel_connector_get_hw_state(struct intel_connector *connector);
-extern void intel_connector_check_state(struct intel_connector *);
+extern void intel_modeset_check_state(struct drm_device *dev);
+
 
 static inline struct intel_encoder *intel_attached_encoder(struct drm_connector *connector)
 {

drivers/gpu/drm/i915/intel_dvo.c

@@ -189,7 +189,7 @@ static void intel_dvo_dpms(struct drm_connector *connector, int mode)
 		intel_crtc_update_dpms(crtc);
 	}
 
-	intel_connector_check_state(to_intel_connector(connector));
+	intel_modeset_check_state(connector->dev);
 }
 
 static int intel_dvo_mode_valid(struct drm_connector *connector,

drivers/gpu/drm/i915/intel_sdvo.c

@@ -1275,7 +1275,7 @@ static void intel_sdvo_dpms(struct drm_connector *connector, int mode)
 		intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
 	}
 
-	intel_connector_check_state(to_intel_connector(connector));
+	intel_modeset_check_state(connector->dev);
 }
 
 static int intel_sdvo_mode_valid(struct drm_connector *connector,