drm/i915: prefer for_each_intel_* macros for iteration

Use the for_each_intel_* macros for iterating intel_encoder,
intel_connector, and intel_crtc. No functional changes.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1450262896-5325-1-git-send-email-jani.nikula@intel.com

drivers/gpu/drm/i915/i915_drv.c

@@ -543,15 +543,12 @@ bool i915_semaphore_is_enabled(struct drm_device *dev)
 static void intel_suspend_encoders(struct drm_i915_private *dev_priv)
 {
 	struct drm_device *dev = dev_priv->dev;
-	struct drm_encoder *encoder;
+	struct intel_encoder *encoder;
 
 	drm_modeset_lock_all(dev);
-	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
-		struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
-
-		if (intel_encoder->suspend)
-			intel_encoder->suspend(intel_encoder);
-	}
+	for_each_intel_encoder(dev, encoder)
+		if (encoder->suspend)
+			encoder->suspend(encoder);
 	drm_modeset_unlock_all(dev);
 }
 

drivers/gpu/drm/i915/intel_display.c

@@ -15823,7 +15823,7 @@ void intel_connector_unregister(struct intel_connector *intel_connector)
 void intel_modeset_cleanup(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct drm_connector *connector;
+	struct intel_connector *connector;
 
 	intel_disable_gt_powersave(dev);
 
@@ -15850,12 +15850,8 @@ void intel_modeset_cleanup(struct drm_device *dev)
 	flush_scheduled_work();
 
 	/* destroy the backlight and sysfs files before encoders/connectors */
-	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-		struct intel_connector *intel_connector;
-
-		intel_connector = to_intel_connector(connector);
-		intel_connector->unregister(intel_connector);
-	}
+	for_each_intel_connector(dev, connector)
+		connector->unregister(connector);
 
 	drm_mode_config_cleanup(dev);
 

drivers/gpu/drm/i915/intel_dp.c

@@ -389,8 +389,7 @@ vlv_power_sequencer_pipe(struct intel_dp *intel_dp)
 	 * We don't have power sequencer currently.
 	 * Pick one that's not used by other ports.
 	 */
-	list_for_each_entry(encoder, &dev->mode_config.encoder_list,
-			    base.head) {
+	for_each_intel_encoder(dev, encoder) {
 		struct intel_dp *tmp;
 
 		if (encoder->type != INTEL_OUTPUT_EDP)
@@ -530,7 +529,7 @@ void vlv_power_sequencer_reset(struct drm_i915_private *dev_priv)
 	 * should use them always.
 	 */
 
-	list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) {
+	for_each_intel_encoder(dev, encoder) {
 		struct intel_dp *intel_dp;
 
 		if (encoder->type != INTEL_OUTPUT_EDP)
@@ -2850,8 +2849,7 @@ static void vlv_steal_power_sequencer(struct drm_device *dev,
 	if (WARN_ON(pipe != PIPE_A && pipe != PIPE_B))
 		return;
 
-	list_for_each_entry(encoder, &dev->mode_config.encoder_list,
-			    base.head) {
+	for_each_intel_encoder(dev, encoder) {
 		struct intel_dp *intel_dp;
 		enum port port;
 

drivers/gpu/drm/i915/intel_opregion.c

@@ -422,7 +422,7 @@ int intel_opregion_notify_adapter(struct drm_device *dev, pci_power_t state)
 static u32 asle_set_backlight(struct drm_device *dev, u32 bclp)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_connector *intel_connector;
+	struct intel_connector *connector;
 	struct opregion_asle *asle = dev_priv->opregion.asle;
 
 	DRM_DEBUG_DRIVER("bclp = 0x%08x\n", bclp);
@@ -446,8 +446,8 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp)
 	 * only one).
 	 */
 	DRM_DEBUG_KMS("updating opregion backlight %d/255\n", bclp);
-	list_for_each_entry(intel_connector, &dev->mode_config.connector_list, base.head)
-		intel_panel_set_backlight_acpi(intel_connector, bclp, 255);
+	for_each_intel_connector(dev, connector)
+		intel_panel_set_backlight_acpi(connector, bclp, 255);
 	asle->cblv = DIV_ROUND_UP(bclp * 100, 255) | ASLE_CBLV_VALID;
 
 	drm_modeset_unlock(&dev->mode_config.connection_mutex);

drivers/gpu/drm/i915/intel_panel.c

@@ -1845,7 +1845,7 @@ void intel_backlight_register(struct drm_device *dev)
 {
 	struct intel_connector *connector;
 
-	list_for_each_entry(connector, &dev->mode_config.connector_list, base.head)
+	for_each_intel_connector(dev, connector)
 		intel_backlight_device_register(connector);
 }
 
@@ -1853,6 +1853,6 @@ void intel_backlight_unregister(struct drm_device *dev)
 {
 	struct intel_connector *connector;
 
-	list_for_each_entry(connector, &dev->mode_config.connector_list, base.head)
+	for_each_intel_connector(dev, connector)
 		intel_backlight_device_unregister(connector);
 }

drivers/gpu/drm/i915/intel_pm.c

@@ -3314,7 +3314,7 @@ static void skl_write_wm_values(struct drm_i915_private *dev_priv,
 	struct drm_device *dev = dev_priv->dev;
 	struct intel_crtc *crtc;
 
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) {
+	for_each_intel_crtc(dev, crtc) {
 		int i, level, max_level = ilk_wm_max_level(dev);
 		enum pipe pipe = crtc->pipe;
 
@@ -3523,8 +3523,7 @@ static void skl_update_other_pipe_wm(struct drm_device *dev,
 	 * Otherwise, because of this_crtc being freshly enabled/disabled, the
 	 * other active pipes need new DDB allocation and WM values.
 	 */
-	list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list,
-				base.head) {
+	for_each_intel_crtc(dev, intel_crtc) {
 		struct skl_pipe_wm pipe_wm = {};
 		bool wm_changed;