panel/himax-hx8394: 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-v3-5-f7ae7b723c68@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-himax-hx8394.c b/drivers/gpu/drm/panel/panel-himax-hx8394.c
index ff994bf0e3cc1af134f40ac3b1712633ae801caf..0e3bf4ba91890e5a859288cb6a9737ed77a343b3 100644 (file)
--- a/drivers/gpu/drm/panel/panel-himax-hx8394.c
+++ b/drivers/gpu/drm/panel/panel-himax-hx8394.c
@@ -611,9 +611,11 @@ static int hx8394_probe(struct mipi_dsi_device *dsi)
        struct hx8394 *ctx;
        int ret;
 
-       ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
-       if (!ctx)
-               return -ENOMEM;
+       ctx = devm_drm_panel_alloc(dev, struct hx8394, panel,
+                                  &hx8394_drm_funcs,
+                                  DRM_MODE_CONNECTOR_DSI);
+       if (IS_ERR(ctx))
+               return PTR_ERR(ctx);
 
        ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
        if (IS_ERR(ctx->reset_gpio))
@@ -645,9 +647,6 @@ static int hx8394_probe(struct mipi_dsi_device *dsi)
                return dev_err_probe(dev, PTR_ERR(ctx->iovcc),
                                     "Failed to request iovcc regulator\n");
 
-       drm_panel_init(&ctx->panel, dev, &hx8394_drm_funcs,
-                      DRM_MODE_CONNECTOR_DSI);
-
        ret = drm_panel_of_backlight(&ctx->panel);
        if (ret)
                return ret;