drm/panel/lg-sw43408: Use refcounted allocation in place of devm_kzalloc()

Move to using the new API devm_drm_panel_alloc() to allocate the
panel. In the call to the new API, avoid using explicit type and use
__typeof() for more type safety.

Signed-off-by: Anusha Srivatsa <asrivats@redhat.com>
Link: https://lore.kernel.org/r/20250710-b4-driver-convert-last-part-july-v1-6-de73ba81b2f5@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-lg-sw43408.c b/drivers/gpu/drm/panel/panel-lg-sw43408.c
index f3dcc39670eae866030e705a30c6cfb2594a70bb..46a56ea92ad9ff3a7e60e0ad0810f4082dbed620 100644 (file)
--- a/drivers/gpu/drm/panel/panel-lg-sw43408.c
+++ b/drivers/gpu/drm/panel/panel-lg-sw43408.c
@@ -246,8 +246,6 @@ static int sw43408_add(struct sw43408_panel *ctx)
 
        ctx->base.prepare_prev_first = true;
 
-       drm_panel_init(&ctx->base, dev, &sw43408_funcs, DRM_MODE_CONNECTOR_DSI);
-
        drm_panel_add(&ctx->base);
        return ret;
 }
@@ -257,9 +255,11 @@ static int sw43408_probe(struct mipi_dsi_device *dsi)
        struct sw43408_panel *ctx;
        int ret;
 
-       ctx = devm_kzalloc(&dsi->dev, sizeof(*ctx), GFP_KERNEL);
-       if (!ctx)
-               return -ENOMEM;
+       ctx = devm_drm_panel_alloc(&dsi->dev, __typeof(*ctx), base,
+                                  &sw43408_funcs, DRM_MODE_CONNECTOR_DSI);
+
+       if (IS_ERR(ctx))
+               return PTR_ERR(ctx);
 
        dsi->mode_flags = MIPI_DSI_MODE_LPM;
        dsi->format = MIPI_DSI_FMT_RGB888;