panel/panel-summit: 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 <neil.armstrong@linaro.org>
Signed-off-by: Anusha Srivatsa <asrivats@redhat.com>
Link: https://lore.kernel.org/r/20250529-b4-drm_panel_mass_driver_convert_part3-v2-32-5d75a3711e40@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-summit.c b/drivers/gpu/drm/panel/panel-summit.c
index e780faee18570c9970d381b3f7c65b95665469cd..4854437e2899126c74d8060433a9064cc3812de7 100644 (file)
--- a/drivers/gpu/drm/panel/panel-summit.c
+++ b/drivers/gpu/drm/panel/panel-summit.c
@@ -68,9 +68,11 @@ static int summit_probe(struct mipi_dsi_device *dsi)
        struct summit_data *s_data;
        int ret;
 
-       s_data = devm_kzalloc(dev, sizeof(*s_data), GFP_KERNEL);
-       if (!s_data)
-               return -ENOMEM;
+       s_data = devm_drm_panel_alloc(dev, struct summit_data, panel,
+                                     &summit_panel_funcs,
+                                     DRM_MODE_CONNECTOR_DSI);
+       if (IS_ERR(s_data))
+               return PTR_ERR(s_data);
 
        mipi_dsi_set_drvdata(dsi, s_data);
        s_data->dsi = dsi;
@@ -85,8 +87,6 @@ static int summit_probe(struct mipi_dsi_device *dsi)
        if (IS_ERR(s_data->bl))
                return PTR_ERR(s_data->bl);
 
-       drm_panel_init(&s_data->panel, dev, &summit_panel_funcs,
-                      DRM_MODE_CONNECTOR_DSI);
        drm_panel_add(&s_data->panel);
 
        return mipi_dsi_attach(dsi);