panel/sitronix-st7703: 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-v2-27-5d75a3711e40@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
index 67e8e45498cb1e62c60cc94546cb329878cc4ef2..1a007a244d843a894c89bb3b2ee006daba2237cb 100644 (file)
--- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
@@ -846,9 +846,11 @@ static int st7703_probe(struct mipi_dsi_device *dsi)
        struct st7703 *ctx;
        int ret;
 
-       ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
-       if (!ctx)
-               return -ENOMEM;
+       ctx = devm_drm_panel_alloc(dev, struct st7703, panel,
+                                  &st7703_drm_funcs,
+                                  DRM_MODE_CONNECTOR_DSI);
+       if (IS_ERR(ctx))
+               return PTR_ERR(ctx);
 
        ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
        if (IS_ERR(ctx->reset_gpio))
@@ -876,9 +878,6 @@ static int st7703_probe(struct mipi_dsi_device *dsi)
        if (ret < 0)
                return dev_err_probe(&dsi->dev, ret, "Failed to get orientation\n");
 
-       drm_panel_init(&ctx->panel, dev, &st7703_drm_funcs,
-                      DRM_MODE_CONNECTOR_DSI);
-
        ret = drm_panel_of_backlight(&ctx->panel);
        if (ret)
                return ret;