drm/panel-edp: switch to struct drm_edid

Prefer struct drm_edid based functions over struct edid.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/a68ee923449a70cc7a59d0d3c96b0bb6764296bd.1713273659.git.jani.nikula@intel.comSigned-off-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/panel/panel-edp.c

@@ -242,7 +242,7 @@ struct panel_edp {
 
 	const struct edp_panel_entry *detected_panel;
 
-	struct edid *edid;
+	const struct drm_edid *drm_edid;
 
 	struct drm_display_mode override_mode;
 
@@ -617,13 +617,16 @@ static int panel_edp_get_modes(struct drm_panel *panel,
 	if (p->ddc) {
 		pm_runtime_get_sync(panel->dev);
 
-		if (!p->edid)
-			p->edid = drm_get_edid(connector, p->ddc);
+		if (!p->drm_edid)
+			p->drm_edid = drm_edid_read_ddc(connector, p->ddc);
+
+		drm_edid_connector_update(connector, p->drm_edid);
+
 		/*
 		 * If both edid and hard-coded modes exists, skip edid modes to
 		 * avoid multiple preferred modes.
 		 */
-		if (p->edid && !has_hard_coded_modes) {
+		if (p->drm_edid && !has_hard_coded_modes) {
 			if (has_override_edid_mode) {
 				/*
 				 * override_edid_mode is specified. Use
@@ -632,7 +635,7 @@ static int panel_edp_get_modes(struct drm_panel *panel,
 				num += panel_edp_override_edid_mode(p, connector,
 						p->detected_panel->override_edid_mode);
 			} else {
-				num += drm_add_edid_modes(connector, p->edid);
+				num += drm_edid_connector_add_modes(connector);
 			}
 		}
 
@@ -981,8 +984,8 @@ static void panel_edp_remove(struct device *dev)
 	if (panel->ddc && (!panel->aux || panel->ddc != &panel->aux->ddc))
 		put_device(&panel->ddc->dev);
 
-	kfree(panel->edid);
-	panel->edid = NULL;
+	drm_edid_free(panel->drm_edid);
+	panel->drm_edid = NULL;
 }
 
 static void panel_edp_shutdown(struct device *dev)