drm/panel/himax-hx83102: 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-v1-12-de73ba81b2f5@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-himax-hx83102.c b/drivers/gpu/drm/panel/panel-himax-hx83102.c
index 66abfc44e424829e295f5848153d548176b9dda9..4c432d207634d2d976a9e7cb7744b1fefa10420d 100644 (file)
--- a/drivers/gpu/drm/panel/panel-himax-hx83102.c
+++ b/drivers/gpu/drm/panel/panel-himax-hx83102.c
@@ -989,8 +989,6 @@ static int hx83102_panel_add(struct hx83102 *ctx)
 
        ctx->base.prepare_prev_first = true;
 
-       drm_panel_init(&ctx->base, dev, &hx83102_drm_funcs,
-                      DRM_MODE_CONNECTOR_DSI);
        err = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation);
        if (err < 0)
                return dev_err_probe(dev, err, "failed to get orientation\n");
@@ -1013,9 +1011,11 @@ static int hx83102_probe(struct mipi_dsi_device *dsi)
        int ret;
        const struct hx83102_panel_desc *desc;
 
-       ctx = devm_kzalloc(&dsi->dev, sizeof(*ctx), GFP_KERNEL);
-       if (!ctx)
-               return -ENOMEM;
+       ctx = devm_drm_panel_alloc(&dsi->dev, __typeof(*ctx), base,
+                                  &hx83102_drm_funcs, DRM_MODE_CONNECTOR_DSI);
+
+       if (IS_ERR(ctx))
+               return PTR_ERR(ctx);
 
        desc = of_device_get_match_data(&dsi->dev);
        dsi->lanes = 4;