drm/rockchip: cdn-dp: switch to struct drm_edid

Prefer struct drm_edid based functions over struct edid.
Acked-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/59d2feb9f8b28d1a1cf49077a35941aa9b3d36af.1713273659.git.jani.nikula@intel.comSigned-off-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/rockchip/cdn-dp-core.c

@@ -262,20 +262,21 @@ static const struct drm_connector_funcs cdn_dp_atomic_connector_funcs = {
 static int cdn_dp_connector_get_modes(struct drm_connector *connector)
 {
 	struct cdn_dp_device *dp = connector_to_dp(connector);
-	struct edid *edid;
 	int ret = 0;
 
 	mutex_lock(&dp->lock);
-	edid = dp->edid;
-	if (edid) {
+
+	if (dp->drm_edid) {
+		/* FIXME: get rid of drm_edid_raw() */
+		const struct edid *edid = drm_edid_raw(dp->drm_edid);
+
 		DRM_DEV_DEBUG_KMS(dp->dev, "got edid: width[%d] x height[%d]\n",
 				  edid->width_cm, edid->height_cm);
 
-		dp->sink_has_audio = drm_detect_monitor_audio(edid);
-
-		drm_connector_update_edid_property(connector, edid);
-		ret = drm_add_edid_modes(connector, edid);
 	}
+
+	ret = drm_edid_connector_add_modes(connector);
+
 	mutex_unlock(&dp->lock);
 
 	return ret;
@@ -380,9 +381,13 @@ static int cdn_dp_get_sink_capability(struct cdn_dp_device *dp)
 		return ret;
 	}
 
-	kfree(dp->edid);
-	dp->edid = drm_do_get_edid(&dp->connector,
-				   cdn_dp_get_edid_block, dp);
+	drm_edid_free(dp->drm_edid);
+	dp->drm_edid = drm_edid_read_custom(&dp->connector,
+					    cdn_dp_get_edid_block, dp);
+	drm_edid_connector_update(&dp->connector, dp->drm_edid);
+
+	dp->sink_has_audio = dp->connector.display_info.has_audio;
+
 	return 0;
 }
 
@@ -488,8 +493,8 @@ static int cdn_dp_disable(struct cdn_dp_device *dp)
 	dp->max_lanes = 0;
 	dp->max_rate = 0;
 	if (!dp->connected) {
-		kfree(dp->edid);
-		dp->edid = NULL;
+		drm_edid_free(dp->drm_edid);
+		dp->drm_edid = NULL;
 	}
 
 	return 0;
@@ -1131,8 +1136,8 @@ static void cdn_dp_unbind(struct device *dev, struct device *master, void *data)
 	pm_runtime_disable(dev);
 	if (dp->fw_loaded)
 		release_firmware(dp->fw);
-	kfree(dp->edid);
-	dp->edid = NULL;
+	drm_edid_free(dp->drm_edid);
+	dp->drm_edid = NULL;
 }
 
 static const struct component_ops cdn_dp_component_ops = {

drivers/gpu/drm/rockchip/cdn-dp-core.h

@@ -70,7 +70,7 @@ struct cdn_dp_device {
 	struct drm_display_mode mode;
 	struct platform_device *audio_pdev;
 	struct work_struct event_work;
-	struct edid *edid;
+	const struct drm_edid *drm_edid;
 
 	struct mutex lock;
 	bool connected;