panel/ltk050h3146w: 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/20250520-drivers-mass-convert-part2-v3-15-f7ae7b723c68@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
index 77f74e6c467e566ca2fd7b6a5cc29b2fe09b9ef5..0856df5a6ee226d17238d4d854bd841a122d7c65 100644 (file)
--- a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
+++ b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
@@ -548,9 +548,11 @@ static int ltk050h3146w_probe(struct mipi_dsi_device *dsi)
        struct ltk050h3146w *ctx;
        int ret;
 
-       ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
-       if (!ctx)
-               return -ENOMEM;
+       ctx = devm_drm_panel_alloc(dev, struct ltk050h3146w, panel,
+                                  &ltk050h3146w_funcs,
+                                  DRM_MODE_CONNECTOR_DSI);
+       if (IS_ERR(ctx))
+               return PTR_ERR(ctx);
 
        ctx->panel_desc = of_device_get_match_data(dev);
        if (!ctx->panel_desc)
@@ -577,9 +579,6 @@ static int ltk050h3146w_probe(struct mipi_dsi_device *dsi)
        dsi->format = MIPI_DSI_FMT_RGB888;
        dsi->mode_flags = ctx->panel_desc->mode_flags;
 
-       drm_panel_init(&ctx->panel, &dsi->dev, &ltk050h3146w_funcs,
-                      DRM_MODE_CONNECTOR_DSI);
-
        ret = drm_panel_of_backlight(&ctx->panel);
        if (ret)
                return ret;