[PATCH 15/46] panel/samsung-s6d7aa0: Use refcounted allocation in place of devm_kzalloc()

Anusha Srivatsa asrivats at redhat.com
Thu Apr 3 20:20:46 UTC 2025


Move to using the new API devm_drm_panel_alloc() to allocate the
panel.

Signed-off-by: Anusha Srivatsa <asrivats at redhat.com>
---
 drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c b/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c
index 93f11e2e9398782ed10c70159c25fbd5d9f4eb4c..b5b9e80690f66cc62acbd341865d8d47419e498b 100644
--- 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);

-- 
2.48.1



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