panel/ltk500hd1829: 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-v3-16-f7ae7b723c68@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c b/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c
index 6b18cf00fd4a7a1d12a3577eced49ad6f9c3e955..7f19fd5b80600c2db3236f2d0e3ee44fd91fe4f9 100644 (file)
--- a/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c
+++ b/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c
@@ -604,9 +604,11 @@ static int ltk500hd1829_probe(struct mipi_dsi_device *dsi)
        struct device *dev = &dsi->dev;
        int ret;
 
-       ctx = devm_kzalloc(&dsi->dev, sizeof(*ctx), GFP_KERNEL);
-       if (!ctx)
-               return -ENOMEM;
+       ctx = devm_drm_panel_alloc(dev, struct ltk500hd1829, panel,
+                                  &ltk500hd1829_funcs,
+                                  DRM_MODE_CONNECTOR_DSI);
+       if (IS_ERR(ctx))
+               return PTR_ERR(ctx);
 
        ctx->panel_desc = of_device_get_match_data(dev);
        if (!ctx->panel_desc)
@@ -643,9 +645,6 @@ static int ltk500hd1829_probe(struct mipi_dsi_device *dsi)
        dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
                          MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET;
 
-       drm_panel_init(&ctx->panel, &dsi->dev, &ltk500hd1829_funcs,
-                      DRM_MODE_CONNECTOR_DSI);
-
        ret = drm_panel_of_backlight(&ctx->panel);
        if (ret)
                return ret;