panel/ilitek-ili9341: 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-v3-7-f7ae7b723c68@redhat.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9341.c b/drivers/gpu/drm/panel/panel-ilitek-ili9341.c
index ff39f5dd4097e8da0a0e16c50c5bfd45c078d91c..bcd561e06465444440e0a5d143219c06e2121218 100644 (file)
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9341.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9341.c
@@ -490,9 +490,11 @@ static int ili9341_dpi_probe(struct spi_device *spi, struct gpio_desc *dc,
        struct ili9341 *ili;
        int ret;
 
-       ili = devm_kzalloc(dev, sizeof(struct ili9341), GFP_KERNEL);
-       if (!ili)
-               return -ENOMEM;
+       ili = devm_drm_panel_alloc(dev, struct ili9341, panel,
+                                  &ili9341_dpi_funcs,
+                                  DRM_MODE_CONNECTOR_DPI);
+       if (IS_ERR(ili))
+               return PTR_ERR(ili);
 
        ili->dbi = devm_kzalloc(dev, sizeof(struct mipi_dbi),
                                GFP_KERNEL);
@@ -526,8 +528,6 @@ static int ili9341_dpi_probe(struct spi_device *spi, struct gpio_desc *dc,
        }
 
        ili->max_spi_speed = ili->conf->max_spi_speed;
-       drm_panel_init(&ili->panel, dev, &ili9341_dpi_funcs,
-                      DRM_MODE_CONNECTOR_DPI);
        drm_panel_add(&ili->panel);
 
        return 0;