[PATCH 06/14] drm/panel/lg-sw43408: Use refcounted allocation in place of devm_kzalloc()

Anusha Srivatsa asrivats at redhat.com
Fri Jul 11 04:31:17 UTC 2025


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 at redhat.com>
---
 drivers/gpu/drm/panel/panel-lg-sw43408.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-lg-sw43408.c b/drivers/gpu/drm/panel/panel-lg-sw43408.c
index f3dcc39670eae866030e705a30c6cfb2594a70bb..46a56ea92ad9ff3a7e60e0ad0810f4082dbed620 100644
--- 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;

-- 
2.48.1



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