drm/panel/khadas-ts050: 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-v1-8-de73ba81b2f5@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-khadas-ts050.c b/drivers/gpu/drm/panel/panel-khadas-ts050.c
index 0e5e8e57bd1e573af934fe22b59f6513aac4dae4..67ca055f06f39f74ec4c34120c644d97b62c3921 100644 (file)
--- a/drivers/gpu/drm/panel/panel-khadas-ts050.c
+++ b/drivers/gpu/drm/panel/panel-khadas-ts050.c
@@ -821,9 +821,6 @@ static int khadas_ts050_panel_add(struct khadas_ts050_panel *khadas_ts050)
                return dev_err_probe(dev, PTR_ERR(khadas_ts050->enable_gpio),
                                     "failed to get enable gpio");
 
-       drm_panel_init(&khadas_ts050->base, &khadas_ts050->link->dev,
-                      &khadas_ts050_panel_funcs, DRM_MODE_CONNECTOR_DSI);
-
        err = drm_panel_of_backlight(&khadas_ts050->base);
        if (err)
                return err;
@@ -850,10 +847,12 @@ static int khadas_ts050_panel_probe(struct mipi_dsi_device *dsi)
        dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
                          MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET;
 
-       khadas_ts050 = devm_kzalloc(&dsi->dev, sizeof(*khadas_ts050),
-                                   GFP_KERNEL);
-       if (!khadas_ts050)
-               return -ENOMEM;
+       khadas_ts050 = devm_drm_panel_alloc(&dsi->dev, __typeof(*khadas_ts050),
+                                           base, &khadas_ts050_panel_funcs,
+                                           DRM_MODE_CONNECTOR_DSI);
+
+       if (IS_ERR(khadas_ts050))
+               return PTR_ERR(khadas_ts050);
 
        khadas_ts050->panel_data = (struct khadas_ts050_panel_data *)data;
        mipi_dsi_set_drvdata(dsi, khadas_ts050);