struct rm68200 *ctx;
        int ret;
 
-       ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
-       if (!ctx)
-               return -ENOMEM;
+       ctx = devm_drm_panel_alloc(dev, struct rm68200, panel,
+                                  &rm68200_drm_funcs,
+                                  DRM_MODE_CONNECTOR_DSI);
+       if (IS_ERR(ctx))
+               return PTR_ERR(ctx);
 
        ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
        if (IS_ERR(ctx->reset_gpio)) {
        dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
                          MIPI_DSI_MODE_LPM | MIPI_DSI_CLOCK_NON_CONTINUOUS;
 
-       drm_panel_init(&ctx->panel, dev, &rm68200_drm_funcs,
-                      DRM_MODE_CONNECTOR_DSI);
-
        ret = drm_panel_of_backlight(&ctx->panel);
        if (ret)
                return ret;