panel/sitronix-st7789v: 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-v2-28-5d75a3711e40@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
index 28bfc48a91272901862dcaa309f51da4697d0a4a..04d91929eedda092b966b8cffdef5b267748f190 100644 (file)
--- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
@@ -612,9 +612,10 @@ static int st7789v_probe(struct spi_device *spi)
        struct st7789v *ctx;
        int ret;
 
-       ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
-       if (!ctx)
-               return -ENOMEM;
+       ctx = devm_drm_panel_alloc(dev, struct st7789v, panel,
+                                  &st7789v_drm_funcs, DRM_MODE_CONNECTOR_DPI);
+       if (IS_ERR(ctx))
+               return PTR_ERR(ctx);
 
        spi_set_drvdata(spi, ctx);
        ctx->spi = spi;
@@ -626,9 +627,6 @@ static int st7789v_probe(struct spi_device *spi)
 
        ctx->info = device_get_match_data(&spi->dev);
 
-       drm_panel_init(&ctx->panel, dev, &st7789v_drm_funcs,
-                      DRM_MODE_CONNECTOR_DPI);
-
        ctx->power = devm_regulator_get(dev, "power");
        ret = PTR_ERR_OR_ZERO(ctx->power);
        if (ret)