drm/panel/boe-tv101wum-nl6: Use refcounted allocation in place of devm_kzalloc()

Move to using the new API devm_drm_panel_alloc() to allocate the
panel. In the call to the new API, avoid using explicit type and use
__typeof() for more type safety.

Signed-off-by: Anusha Srivatsa <asrivats@redhat.com>
Link: https://lore.kernel.org/r/20250710-b4-driver-convert-last-part-july-v1-13-de73ba81b2f5@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

Author: anushasrivats

drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c

@@ -1720,8 +1720,6 @@ static int boe_panel_add(struct boe_panel *boe)
 
 	boe->base.prepare_prev_first = true;
 
-	drm_panel_init(&boe->base, dev, &boe_panel_funcs,
-		       DRM_MODE_CONNECTOR_DSI);
 	err = of_drm_get_panel_orientation(dev->of_node, &boe->orientation);
 	if (err < 0) {
 		dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, err);
@@ -1746,9 +1744,11 @@ static int boe_panel_probe(struct mipi_dsi_device *dsi)
 	int ret;
 	const struct panel_desc *desc;
 
-	boe = devm_kzalloc(&dsi->dev, sizeof(*boe), GFP_KERNEL);
-	if (!boe)
-		return -ENOMEM;
+	boe = devm_drm_panel_alloc(&dsi->dev, __typeof(*boe), base,
+				   &boe_panel_funcs, DRM_MODE_CONNECTOR_DSI);
+
+	if (IS_ERR(boe))
+		return PTR_ERR(boe);
 
 	desc = of_device_get_match_data(&dsi->dev);
 	dsi->lanes = desc->lanes;