panel/feixin-k101-im2ba02: Use refcounted allocation in place of devm_kzalloc()

Move to using the new API devm_drm_panel_alloc() to allocate the
panel.

Reviewed-by: Neil Armstrong <[e-mail]>
Signed-off-by: Anusha Srivatsa <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Maxime Ripard <[e-mail]>

drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c

···
 	unsigned int i;
 	int ret;
 
-	ctx = devm_kzalloc(&dsi->dev, sizeof(*ctx), GFP_KERNEL);
-	if (!ctx)
-		return -ENOMEM;
+	ctx = devm_drm_panel_alloc(&dsi->dev, struct k101_im2ba02, panel,
+				   &k101_im2ba02_funcs,
+				   DRM_MODE_CONNECTOR_DSI);
+	if (IS_ERR(ctx))
+		return PTR_ERR(ctx);
 
 	mipi_dsi_set_drvdata(dsi, ctx);
 	ctx->dsi = dsi;
···
 	if (IS_ERR(ctx->reset))
 		return dev_err_probe(&dsi->dev, PTR_ERR(ctx->reset),
 				     "Couldn't get our reset GPIO\n");
-
-	drm_panel_init(&ctx->panel, &dsi->dev, &k101_im2ba02_funcs,
-		       DRM_MODE_CONNECTOR_DSI);
 
 	ret = drm_panel_of_backlight(&ctx->panel);
 	if (ret)