panel/samsung-s6d7aa0: 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-v2-15-5d75a3711e40@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c b/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c
index 93f11e2e9398782ed10c70159c25fbd5d9f4eb4c..b5b9e80690f66cc62acbd341865d8d47419e498b 100644 (file)
--- a/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c
+++ b/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c
@@ -392,9 +392,11 @@ static int s6d7aa0_probe(struct mipi_dsi_device *dsi)
        struct s6d7aa0 *ctx;
        int ret;
 
-       ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
-       if (!ctx)
-               return -ENOMEM;
+       ctx = devm_drm_panel_alloc(dev, struct s6d7aa0, panel,
+                                  &s6d7aa0_panel_funcs,
+                                  DRM_MODE_CONNECTOR_DSI);
+       if (IS_ERR(ctx))
+               return PTR_ERR(ctx);
 
        ctx->desc = of_device_get_match_data(dev);
        if (!ctx->desc)
@@ -420,8 +422,6 @@ static int s6d7aa0_probe(struct mipi_dsi_device *dsi)
        dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST
                | ctx->desc->mode_flags;
 
-       drm_panel_init(&ctx->panel, dev, &s6d7aa0_panel_funcs,
-                      DRM_MODE_CONNECTOR_DSI);
        ctx->panel.prepare_prev_first = true;
 
        ret = drm_panel_of_backlight(&ctx->panel);