drm/panel/ilitek-ili9882t: 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-v1-11-de73ba81b2f5@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c b/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c
index 3c24a63b6be8c710a1b7f3524b537d3cb6fc63d3..85c7059be214e722e795e3a55420a32fcfee2e4f 100644 (file)
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9882t.c
@@ -614,8 +614,6 @@ static int ili9882t_add(struct ili9882t *ili)
 
        gpiod_set_value(ili->enable_gpio, 0);
 
-       drm_panel_init(&ili->base, dev, &ili9882t_funcs,
-                      DRM_MODE_CONNECTOR_DSI);
        err = of_drm_get_panel_orientation(dev->of_node, &ili->orientation);
        if (err < 0) {
                dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, err);
@@ -640,9 +638,11 @@ static int ili9882t_probe(struct mipi_dsi_device *dsi)
        int ret;
        const struct panel_desc *desc;
 
-       ili = devm_kzalloc(&dsi->dev, sizeof(*ili), GFP_KERNEL);
-       if (!ili)
-               return -ENOMEM;
+       ili = devm_drm_panel_alloc(&dsi->dev, __typeof(*ili), base,
+                                  &ili9882t_funcs, DRM_MODE_CONNECTOR_DSI);
+
+       if (IS_ERR(ili))
+               return PTR_ERR(ili);
 
        desc = of_device_get_match_data(&dsi->dev);
        dsi->lanes = desc->lanes;